Merge github.com:grpc/grpc into no-transport-metadata

build.yaml

@@ -1890,6 +1890,20 @@ targets:
   - mac
   - linux
   - posix
+- name: metrics_client
+  build: test
+  run: false
+  language: c++
+  headers:
+  - test/cpp/util/metrics_server.h
+  src:
+  - test/proto/metrics.proto
+  - test/cpp/interop/metrics_client.cc
+  deps:
+  - grpc++
+  - grpc
+  - gpr
+  - grpc++_test_config
 - name: mock_test
   build: test
   language: c++
@@ -2130,13 +2144,16 @@ targets:
   - test/cpp/interop/client_helper.h
   - test/cpp/interop/interop_client.h
   - test/cpp/interop/stress_interop_client.h
+  - test/cpp/util/metrics_server.h
   src:
   - test/proto/empty.proto
   - test/proto/messages.proto
+  - test/proto/metrics.proto
   - test/proto/test.proto
   - test/cpp/interop/interop_client.cc
   - test/cpp/interop/stress_interop_client.cc
   - test/cpp/interop/stress_test.cc
+  - test/cpp/util/metrics_server.cc
   deps:
   - grpc++_test_util
   - grpc_test_util
@@ -2231,6 +2248,23 @@ node_modules:
 - deps:
   - grpc
   - gpr
+  headers:
+  - src/node/ext/byte_buffer.h
+  - src/node/ext/call.h
+  - src/node/ext/call_credentials.h
+  - src/node/ext/channel.h
+  - src/node/ext/channel_credentials.h
+  - src/node/ext/completion_queue_async_worker.h
+  - src/node/ext/server.h
+  - src/node/ext/server_credentials.h
+  - src/node/ext/timeval.h
+  js:
+  - src/node/index.js
+  - src/node/src/client.js
+  - src/node/src/common.js
+  - src/node/src/credentials.js
+  - src/node/src/metadata.js
+  - src/node/src/server.js
   name: grpc_node
   src:
   - src/node/ext/byte_buffer.cc

include/grpc/grpc.h

@@ -127,6 +127,12 @@ typedef struct {
 /** Initial sequence number for http2 transports */
 #define GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER \
   "grpc.http2.initial_sequence_number"
+/** How much memory to use for hpack decoding */
+#define GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER \
+  "grpc.http2.hpack_table_size.decoder"
+/** How much memory to use for hpack encoding */
+#define GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_ENCODER \
+  "grpc.http2.hpack_table_size.encoder"
 /** Default authority to pass if none specified on call construction */
 #define GRPC_ARG_DEFAULT_AUTHORITY "grpc.default_authority"
 /** Primary user agent: goes at the start of the user-agent metadata

src/core/surface/call.c

@@ -907,7 +907,8 @@ static batch_control *allocate_batch_control(grpc_call *call) {
   size_t i;
   for (i = 0; i < MAX_CONCURRENT_BATCHES; i++) {
     if ((call->used_batches & (1 << i)) == 0) {
-      call->used_batches |= (gpr_uint8)(1 << i);
+      call->used_batches =
+          (gpr_uint8)(call->used_batches | (gpr_uint8)(1 << i));
       return &call->active_batches[i];
     }
   }

src/core/transport/chttp2/hpack_encoder.c

@@ -36,8 +36,10 @@
 #include <assert.h>
 #include <string.h>
 
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
+
 #include "src/core/transport/chttp2/bin_encoder.h"
 #include "src/core/transport/chttp2/hpack_table.h"
 #include "src/core/transport/chttp2/timeout_encoding.h"
@@ -155,6 +157,18 @@ static gpr_uint8 *add_tiny_header_data(framer_state *st, size_t len) {
   return gpr_slice_buffer_tiny_add(st->output, len);
 }
 
+static void evict_entry(grpc_chttp2_hpack_compressor *c) {
+  c->tail_remote_index++;
+  GPR_ASSERT(c->tail_remote_index > 0);
+  GPR_ASSERT(c->table_size >=
+             c->table_elem_size[c->tail_remote_index % c->cap_table_elems]);
+  GPR_ASSERT(c->table_elems > 0);
+  c->table_size = (gpr_uint16)(
+      c->table_size -
+      c->table_elem_size[c->tail_remote_index % c->cap_table_elems]);
+  c->table_elems--;
+}
+
 /* add an element to the decoder table */
 static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) {
   gpr_uint32 key_hash = elem->key->hash;
@@ -165,26 +179,21 @@ static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) {
 
   GPR_ASSERT(elem_size < 65536);
 
+  if (elem_size > c->max_table_size) {
+    while (c->table_size > 0) {
+      evict_entry(c);
+    }
+    return;
+  }
+
   /* Reserve space for this element in the remote table: if this overflows
      the current table, drop elements until it fits, matching the decompressor
      algorithm */
-  /* TODO(ctiller): constant */
+  while (c->table_size + elem_size > c->max_table_size) {
-  while (c->table_size + elem_size > 4096) {
+    evict_entry(c);
-    c->tail_remote_index++;
-    GPR_ASSERT(c->tail_remote_index > 0);
-    GPR_ASSERT(c->table_size >=
-               c->table_elem_size[c->tail_remote_index %
-                                  GRPC_CHTTP2_HPACKC_MAX_TABLE_ELEMS]);
-    GPR_ASSERT(c->table_elems > 0);
-    c->table_size =
-        (gpr_uint16)(c->table_size -
-                     c->table_elem_size[c->tail_remote_index %
-                                        GRPC_CHTTP2_HPACKC_MAX_TABLE_ELEMS]);
-    c->table_elems--;
   }
-  GPR_ASSERT(c->table_elems < GRPC_CHTTP2_HPACKC_MAX_TABLE_ELEMS);
+  GPR_ASSERT(c->table_elems < c->max_table_size);
-  c->table_elem_size[new_index % GRPC_CHTTP2_HPACKC_MAX_TABLE_ELEMS] =
+  c->table_elem_size[new_index % c->cap_table_elems] = (gpr_uint16)elem_size;
-      (gpr_uint16)elem_size;
   c->table_size = (gpr_uint16)(c->table_size + elem_size);
   c->table_elems++;
 
@@ -330,6 +339,14 @@ static void emit_lithdr_noidx_v(grpc_chttp2_hpack_compressor *c,
   add_header_data(st, gpr_slice_ref(value_slice));
 }
 
+static void emit_advertise_table_size_change(grpc_chttp2_hpack_compressor *c,
+                                             framer_state *st) {
+  gpr_uint32 len = GRPC_CHTTP2_VARINT_LENGTH(c->max_table_size, 3);
+  GRPC_CHTTP2_WRITE_VARINT(c->max_table_size, 3, 0x20,
+                           add_tiny_header_data(st, len), len);
+  c->advertise_table_size_change = 0;
+}
+
 static gpr_uint32 dynidx(grpc_chttp2_hpack_compressor *c,
                          gpr_uint32 elem_index) {
   return 1 + GRPC_CHTTP2_LAST_STATIC_ENTRY + c->tail_remote_index +
@@ -447,8 +464,20 @@ gpr_slice grpc_chttp2_data_frame_create_empty_close(gpr_uint32 id) {
   return slice;
 }
 
+static gpr_uint32 elems_for_bytes(gpr_uint32 bytes) {
+  return (bytes + 31) / 32;
+}
+
 void grpc_chttp2_hpack_compressor_init(grpc_chttp2_hpack_compressor *c) {
   memset(c, 0, sizeof(*c));
+  c->max_table_size = GRPC_CHTTP2_HPACKC_INITIAL_TABLE_SIZE;
+  c->cap_table_elems = elems_for_bytes(c->max_table_size);
+  c->max_table_elems = c->cap_table_elems;
+  c->max_usable_size = GRPC_CHTTP2_HPACKC_INITIAL_TABLE_SIZE;
+  c->table_elem_size =
+      gpr_malloc(sizeof(*c->table_elem_size) * c->cap_table_elems);
+  memset(c->table_elem_size, 0,
+         sizeof(*c->table_elem_size) * c->cap_table_elems);
 }
 
 void grpc_chttp2_hpack_compressor_destroy(grpc_chttp2_hpack_compressor *c) {
@@ -457,6 +486,55 @@ void grpc_chttp2_hpack_compressor_destroy(grpc_chttp2_hpack_compressor *c) {
     if (c->entries_keys[i]) GRPC_MDSTR_UNREF(c->entries_keys[i]);
     if (c->entries_elems[i]) GRPC_MDELEM_UNREF(c->entries_elems[i]);
   }
+  gpr_free(c->table_elem_size);
+}
+
+void grpc_chttp2_hpack_compressor_set_max_usable_size(
+    grpc_chttp2_hpack_compressor *c, gpr_uint32 max_table_size) {
+  c->max_usable_size = max_table_size;
+  grpc_chttp2_hpack_compressor_set_max_table_size(
+      c, GPR_MIN(c->max_table_size, max_table_size));
+}
+
+static void rebuild_elems(grpc_chttp2_hpack_compressor *c, gpr_uint32 new_cap) {
+  gpr_uint16 *table_elem_size = gpr_malloc(sizeof(*table_elem_size) * new_cap);
+  gpr_uint32 i;
+
+  memset(table_elem_size, 0, sizeof(*table_elem_size) * new_cap);
+  GPR_ASSERT(c->table_elems <= new_cap);
+
+  for (i = 0; i < c->table_elems; i++) {
+    gpr_uint32 ofs = c->tail_remote_index + i + 1;
+    table_elem_size[ofs % new_cap] =
+        c->table_elem_size[ofs % c->cap_table_elems];
+  }
+
+  c->cap_table_elems = new_cap;
+  gpr_free(c->table_elem_size);
+  c->table_elem_size = table_elem_size;
+}
+
+void grpc_chttp2_hpack_compressor_set_max_table_size(
+    grpc_chttp2_hpack_compressor *c, gpr_uint32 max_table_size) {
+  max_table_size = GPR_MIN(max_table_size, c->max_usable_size);
+  if (max_table_size == c->max_table_size) {
+    return;
+  }
+  while (c->table_size > 0 && c->table_size > max_table_size) {
+    evict_entry(c);
+  }
+  c->max_table_size = max_table_size;
+  c->max_table_elems = elems_for_bytes(max_table_size);
+  if (c->max_table_elems > c->cap_table_elems) {
+    rebuild_elems(c, GPR_MAX(c->max_table_elems, 2 * c->cap_table_elems));
+  } else if (c->max_table_elems < c->cap_table_elems / 3) {
+    gpr_uint32 new_cap = GPR_MAX(c->max_table_elems, 16);
+    if (new_cap != c->cap_table_elems) {
+      rebuild_elems(c, new_cap);
+    }
+  }
+  c->advertise_table_size_change = 1;
+  gpr_log(GPR_DEBUG, "set max table size from encoder to %d", max_table_size);
 }
 
 void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c,
@@ -479,6 +557,9 @@ void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c,
      slot. THIS MAY NOT BE THE SAME ELEMENT (if a decoder table slot got
      updated). After this loop, we'll do a batch unref of elements. */
   begin_frame(&st);
+  if (c->advertise_table_size_change != 0) {
+    emit_advertise_table_size_change(c, &st);
+  }
   grpc_metadata_batch_assert_ok(metadata);
   for (l = metadata->list.head; l; l = l->next) {
     hpack_enc(c, l->md, &st);

src/core/transport/chttp2/hpack_encoder.h

@@ -43,14 +43,26 @@
 
 #define GRPC_CHTTP2_HPACKC_NUM_FILTERS 256
 #define GRPC_CHTTP2_HPACKC_NUM_VALUES 256
-#define GRPC_CHTTP2_HPACKC_MAX_TABLE_ELEMS (4096 / 32)
+/* initial table size, per spec */
+#define GRPC_CHTTP2_HPACKC_INITIAL_TABLE_SIZE 4096
+/* maximum table size we'll actually use */
+#define GRPC_CHTTP2_HPACKC_MAX_TABLE_SIZE (1024 * 1024)
 
 typedef struct {
   gpr_uint32 filter_elems_sum;
+  gpr_uint32 max_table_size;
+  gpr_uint32 max_table_elems;
+  gpr_uint32 cap_table_elems;
+  /** if non-zero, advertise to the decoder that we'll start using a table
+      of this size */
+  gpr_uint8 advertise_table_size_change;
+  /** maximum number of bytes we'll use for the decode table (to guard against
+      peers ooming us by setting decode table size high) */
+  gpr_uint32 max_usable_size;
   /* one before the lowest usable table index */
   gpr_uint32 tail_remote_index;
-  gpr_uint16 table_size;
+  gpr_uint32 table_size;
-  gpr_uint16 table_elems;
+  gpr_uint32 table_elems;
 
   /* filter tables for elems: this tables provides an approximate
      popularity count for particular hashes, and are used to determine whether
@@ -66,11 +78,15 @@ typedef struct {
   gpr_uint32 indices_keys[GRPC_CHTTP2_HPACKC_NUM_VALUES];
   gpr_uint32 indices_elems[GRPC_CHTTP2_HPACKC_NUM_VALUES];
 
-  gpr_uint16 table_elem_size[GRPC_CHTTP2_HPACKC_MAX_TABLE_ELEMS];
+  gpr_uint16 *table_elem_size;
 } grpc_chttp2_hpack_compressor;
 
 void grpc_chttp2_hpack_compressor_init(grpc_chttp2_hpack_compressor *c);
 void grpc_chttp2_hpack_compressor_destroy(grpc_chttp2_hpack_compressor *c);
+void grpc_chttp2_hpack_compressor_set_max_table_size(
+    grpc_chttp2_hpack_compressor *c, gpr_uint32 max_table_size);
+void grpc_chttp2_hpack_compressor_set_max_usable_size(
+    grpc_chttp2_hpack_compressor *c, gpr_uint32 max_table_size);
 
 void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, gpr_uint32 id,
                                grpc_metadata_batch *metadata, int is_eof,

src/core/transport/chttp2/hpack_parser.c

@@ -74,6 +74,8 @@ static int parse_begin(grpc_chttp2_hpack_parser *p, const gpr_uint8 *cur,
                        const gpr_uint8 *end);
 static int parse_error(grpc_chttp2_hpack_parser *p, const gpr_uint8 *cur,
                        const gpr_uint8 *end);
+static int parse_illegal_op(grpc_chttp2_hpack_parser *p, const gpr_uint8 *cur,
+                            const gpr_uint8 *end);
 
 static int parse_string_prefix(grpc_chttp2_hpack_parser *p,
                                const gpr_uint8 *cur, const gpr_uint8 *end);
@@ -156,7 +158,7 @@ static const grpc_chttp2_hpack_parser_state first_byte_action[] = {
     parse_lithdr_incidx_x, parse_lithdr_incidx_v, parse_lithdr_notidx,
     parse_lithdr_notidx_x, parse_lithdr_notidx_v, parse_lithdr_nvridx,
     parse_lithdr_nvridx_x, parse_lithdr_nvridx_v, parse_max_tbl_size,
-    parse_max_tbl_size_x,  parse_error};
+    parse_max_tbl_size_x,  parse_illegal_op};
 
 /* indexes the first byte to a parse state function - generated by
    gen_hpack_tables.c */
@@ -169,7 +171,7 @@ static const gpr_uint8 first_byte_lut[256] = {
     LITHDR_NVRIDX,   LITHDR_NVRIDX, LITHDR_NVRIDX, LITHDR_NVRIDX,
     LITHDR_NVRIDX,   LITHDR_NVRIDX, LITHDR_NVRIDX, LITHDR_NVRIDX,
     LITHDR_NVRIDX,   LITHDR_NVRIDX, LITHDR_NVRIDX, LITHDR_NVRIDX_X,
-    ILLEGAL,         MAX_TBL_SIZE,  MAX_TBL_SIZE,  MAX_TBL_SIZE,
+    MAX_TBL_SIZE,    MAX_TBL_SIZE,  MAX_TBL_SIZE,  MAX_TBL_SIZE,
     MAX_TBL_SIZE,    MAX_TBL_SIZE,  MAX_TBL_SIZE,  MAX_TBL_SIZE,
     MAX_TBL_SIZE,    MAX_TBL_SIZE,  MAX_TBL_SIZE,  MAX_TBL_SIZE,
     MAX_TBL_SIZE,    MAX_TBL_SIZE,  MAX_TBL_SIZE,  MAX_TBL_SIZE,
@@ -622,13 +624,15 @@ static const gpr_uint8 inverse_base64[256] = {
 };
 
 /* emission helpers */
-static void on_hdr(grpc_chttp2_hpack_parser *p, grpc_mdelem *md,
+static int on_hdr(grpc_chttp2_hpack_parser *p, grpc_mdelem *md,
-                   int add_to_table) {
+                  int add_to_table) {
   if (add_to_table) {
-    GRPC_MDELEM_REF(md);
+    if (!grpc_chttp2_hptbl_add(&p->table, md)) {
-    grpc_chttp2_hptbl_add(&p->table, md);
+      return 0;
+    }
   }
   p->on_header(p->on_header_user_data, md);
+  return 1;
 }
 
 static grpc_mdstr *take_string(grpc_chttp2_hpack_parser *p,
@@ -713,9 +717,12 @@ static int parse_stream_dep0(grpc_chttp2_hpack_parser *p, const gpr_uint8 *cur,
 static int finish_indexed_field(grpc_chttp2_hpack_parser *p,
                                 const gpr_uint8 *cur, const gpr_uint8 *end) {
   grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
+  if (md == NULL) {
+    gpr_log(GPR_ERROR, "Invalid HPACK index received: %d", p->index);
+    return 0;
+  }
   GRPC_MDELEM_REF(md);
-  on_hdr(p, md, 0);
+  return on_hdr(p, md, 0) && parse_begin(p, cur, end);
-  return parse_begin(p, cur, end);
 }
 
 /* parse an indexed field with index < 127 */
@@ -741,19 +748,19 @@ static int parse_indexed_field_x(grpc_chttp2_hpack_parser *p,
 static int finish_lithdr_incidx(grpc_chttp2_hpack_parser *p,
                                 const gpr_uint8 *cur, const gpr_uint8 *end) {
   grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
-  on_hdr(p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key),
+  return on_hdr(p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key),
-                                              take_string(p, &p->value)),
+                                                     take_string(p, &p->value)),
-         1);
+                1) &&
-  return parse_begin(p, cur, end);
+         parse_begin(p, cur, end);
 }
 
 /* finish a literal header with incremental indexing with no index */
 static int finish_lithdr_incidx_v(grpc_chttp2_hpack_parser *p,
                                   const gpr_uint8 *cur, const gpr_uint8 *end) {
-  on_hdr(p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key),
+  return on_hdr(p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key),
-                                              take_string(p, &p->value)),
+                                                     take_string(p, &p->value)),
-         1);
+                1) &&
-  return parse_begin(p, cur, end);
+         parse_begin(p, cur, end);
 }
 
 /* parse a literal header with incremental indexing; index < 63 */
@@ -792,19 +799,19 @@ static int parse_lithdr_incidx_v(grpc_chttp2_hpack_parser *p,
 static int finish_lithdr_notidx(grpc_chttp2_hpack_parser *p,
                                 const gpr_uint8 *cur, const gpr_uint8 *end) {
   grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
-  on_hdr(p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key),
+  return on_hdr(p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key),
-                                              take_string(p, &p->value)),
+                                                     take_string(p, &p->value)),
-         0);
+                0) &&
-  return parse_begin(p, cur, end);
+         parse_begin(p, cur, end);
 }
 
 /* finish a literal header without incremental indexing with index = 0 */
 static int finish_lithdr_notidx_v(grpc_chttp2_hpack_parser *p,
                                   const gpr_uint8 *cur, const gpr_uint8 *end) {
-  on_hdr(p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key),
+  return on_hdr(p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key),
-                                              take_string(p, &p->value)),
+                                                     take_string(p, &p->value)),
-         0);
+                0) &&
-  return parse_begin(p, cur, end);
+         parse_begin(p, cur, end);
 }
 
 /* parse a literal header without incremental indexing; index < 15 */
@@ -843,19 +850,19 @@ static int parse_lithdr_notidx_v(grpc_chttp2_hpack_parser *p,
 static int finish_lithdr_nvridx(grpc_chttp2_hpack_parser *p,
                                 const gpr_uint8 *cur, const gpr_uint8 *end) {
   grpc_mdelem *md = grpc_chttp2_hptbl_lookup(&p->table, p->index);
-  on_hdr(p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key),
+  return on_hdr(p, grpc_mdelem_from_metadata_strings(GRPC_MDSTR_REF(md->key),
-                                              take_string(p, &p->value)),
+                                                     take_string(p, &p->value)),
-         0);
+                0) &&
-  return parse_begin(p, cur, end);
+         parse_begin(p, cur, end);
 }
 
 /* finish a literal header that is never indexed with an extra value */
 static int finish_lithdr_nvridx_v(grpc_chttp2_hpack_parser *p,
                                   const gpr_uint8 *cur, const gpr_uint8 *end) {
-  on_hdr(p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key),
+  return on_hdr(p, grpc_mdelem_from_metadata_strings(take_string(p, &p->key),
-                                              take_string(p, &p->value)),
+                                                     take_string(p, &p->value)),
-         0);
+                0) &&
-  return parse_begin(p, cur, end);
+         parse_begin(p, cur, end);
 }
 
 /* parse a literal header that is never indexed; index < 15 */
@@ -894,14 +901,14 @@ static int parse_lithdr_nvridx_v(grpc_chttp2_hpack_parser *p,
 static int finish_max_tbl_size(grpc_chttp2_hpack_parser *p,
                                const gpr_uint8 *cur, const gpr_uint8 *end) {
   gpr_log(GPR_INFO, "MAX TABLE SIZE: %d", p->index);
-  abort(); /* not implemented */
+  return grpc_chttp2_hptbl_set_current_table_size(&p->table, p->index) &&
-  return parse_begin(p, cur, end);
+         parse_begin(p, cur, end);
 }
 
 /* parse a max table size change, max size < 15 */
 static int parse_max_tbl_size(grpc_chttp2_hpack_parser *p, const gpr_uint8 *cur,
                               const gpr_uint8 *end) {
-  p->index = (*cur) & 0xf;
+  p->index = (*cur) & 0x1f;
   return finish_max_tbl_size(p, cur + 1, end);
 }
 
@@ -911,7 +918,7 @@ static int parse_max_tbl_size_x(grpc_chttp2_hpack_parser *p,
   static const grpc_chttp2_hpack_parser_state and_then[] = {
       finish_max_tbl_size};
   p->next_state = and_then;
-  p->index = 0xf;
+  p->index = 0x1f;
   p->parsing.value = &p->index;
   return parse_value0(p, cur + 1, end);
 }
@@ -923,6 +930,13 @@ static int parse_error(grpc_chttp2_hpack_parser *p, const gpr_uint8 *cur,
   return 0;
 }
 
+static int parse_illegal_op(grpc_chttp2_hpack_parser *p, const gpr_uint8 *cur,
+                            const gpr_uint8 *end) {
+  GPR_ASSERT(cur != end);
+  gpr_log(GPR_DEBUG, "Illegal hpack op code %d", *cur);
+  return parse_error(p, cur, end);
+}
+
 /* parse the 1st byte of a varint into p->parsing.value
    no overflow is possible */
 static int parse_value0(grpc_chttp2_hpack_parser *p, const gpr_uint8 *cur,

src/core/transport/chttp2/hpack_table.c

@@ -36,7 +36,9 @@
 #include <assert.h>
 #include <string.h>
 
+#include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+
 #include "src/core/support/murmur_hash.h"
 
 static struct {
@@ -169,11 +171,21 @@ static struct {
     {"www-authenticate", ""},
 };
 
+static gpr_uint32 entries_for_bytes(gpr_uint32 bytes) {
+  return (bytes + GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD - 1) /
+         GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD;
+}
+
 void grpc_chttp2_hptbl_init(grpc_chttp2_hptbl *tbl) {
   size_t i;
 
   memset(tbl, 0, sizeof(*tbl));
-  tbl->max_bytes = GRPC_CHTTP2_INITIAL_HPACK_TABLE_SIZE;
+  tbl->current_table_bytes = tbl->max_bytes =
+      GRPC_CHTTP2_INITIAL_HPACK_TABLE_SIZE;
+  tbl->max_entries = tbl->cap_entries =
+      entries_for_bytes(tbl->current_table_bytes);
+  tbl->ents = gpr_malloc(sizeof(*tbl->ents) * tbl->cap_entries);
+  memset(tbl->ents, 0, sizeof(*tbl->ents) * tbl->cap_entries);
   for (i = 1; i <= GRPC_CHTTP2_LAST_STATIC_ENTRY; i++) {
     tbl->static_ents[i - 1] =
         grpc_mdelem_from_strings(static_table[i].key, static_table[i].value);
@@ -186,9 +198,9 @@ void grpc_chttp2_hptbl_destroy(grpc_chttp2_hptbl *tbl) {
     GRPC_MDELEM_UNREF(tbl->static_ents[i]);
   }
   for (i = 0; i < tbl->num_ents; i++) {
-    GRPC_MDELEM_UNREF(
+    GRPC_MDELEM_UNREF(tbl->ents[(tbl->first_ent + i) % tbl->cap_entries]);
-        tbl->ents[(tbl->first_ent + i) % GRPC_CHTTP2_MAX_TABLE_COUNT]);
   }
+  gpr_free(tbl->ents);
 }
 
 grpc_mdelem *grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl,
@@ -200,8 +212,8 @@ grpc_mdelem *grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl,
   /* Otherwise, find the value in the list of valid entries */
   tbl_index -= (GRPC_CHTTP2_LAST_STATIC_ENTRY + 1);
   if (tbl_index < tbl->num_ents) {
-    gpr_uint32 offset = (tbl->num_ents - 1u - tbl_index + tbl->first_ent) %
+    gpr_uint32 offset =
-                        GRPC_CHTTP2_MAX_TABLE_COUNT;
+        (tbl->num_ents - 1u - tbl_index + tbl->first_ent) % tbl->cap_entries;
     return tbl->ents[offset];
   }
   /* Invalid entry: return error */
@@ -215,21 +227,81 @@ static void evict1(grpc_chttp2_hptbl *tbl) {
                       GPR_SLICE_LENGTH(first_ent->value->slice) +
                       GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD;
   GPR_ASSERT(elem_bytes <= tbl->mem_used);
-  tbl->mem_used = (gpr_uint16)(tbl->mem_used - elem_bytes);
+  tbl->mem_used -= (gpr_uint32)elem_bytes;
-  tbl->first_ent =
+  tbl->first_ent = ((tbl->first_ent + 1) % tbl->cap_entries);
-      (gpr_uint16)((tbl->first_ent + 1) % GRPC_CHTTP2_MAX_TABLE_COUNT);
   tbl->num_ents--;
   GRPC_MDELEM_UNREF(first_ent);
 }
 
-void grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md) {
+static void rebuild_ents(grpc_chttp2_hptbl *tbl, gpr_uint32 new_cap) {
+  grpc_mdelem **ents = gpr_malloc(sizeof(*ents) * new_cap);
+  gpr_uint32 i;
+
+  for (i = 0; i < tbl->num_ents; i++) {
+    ents[i] = tbl->ents[(tbl->first_ent + i) % tbl->cap_entries];
+  }
+  gpr_free(tbl->ents);
+  tbl->ents = ents;
+  tbl->cap_entries = new_cap;
+  tbl->first_ent = 0;
+}
+
+void grpc_chttp2_hptbl_set_max_bytes(grpc_chttp2_hptbl *tbl,
+                                     gpr_uint32 max_bytes) {
+  if (tbl->max_bytes == max_bytes) {
+    return;
+  }
+  gpr_log(GPR_DEBUG, "Update hpack parser max size to %d", max_bytes);
+  while (tbl->mem_used > max_bytes) {
+    evict1(tbl);
+  }
+  tbl->max_bytes = max_bytes;
+}
+
+int grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl,
+                                             gpr_uint32 bytes) {
+  if (tbl->current_table_bytes == bytes) {
+    return 1;
+  }
+  if (bytes > tbl->max_bytes) {
+    gpr_log(GPR_ERROR,
+            "Attempt to make hpack table %d bytes when max is %d bytes", bytes,
+            tbl->max_bytes);
+    return 0;
+  }
+  gpr_log(GPR_DEBUG, "Update hpack parser table size to %d", bytes);
+  while (tbl->mem_used > bytes) {
+    evict1(tbl);
+  }
+  tbl->current_table_bytes = bytes;
+  tbl->max_entries = entries_for_bytes(bytes);
+  if (tbl->max_entries > tbl->cap_entries) {
+    rebuild_ents(tbl, GPR_MAX(tbl->max_entries, 2 * tbl->cap_entries));
+  } else if (tbl->max_entries < tbl->cap_entries / 3) {
+    gpr_uint32 new_cap = GPR_MAX(tbl->max_entries, 16u);
+    if (new_cap != tbl->cap_entries) {
+      rebuild_ents(tbl, new_cap);
+    }
+  }
+  return 1;
+}
+
+int grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md) {
   /* determine how many bytes of buffer this entry represents */
   size_t elem_bytes = GPR_SLICE_LENGTH(md->key->slice) +
                       GPR_SLICE_LENGTH(md->value->slice) +
                       GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD;
 
+  if (tbl->current_table_bytes > tbl->max_bytes) {
+    gpr_log(GPR_ERROR,
+            "HPACK max table size reduced to %d but not reflected by hpack "
+            "stream (still at %d)",
+            tbl->max_bytes, tbl->current_table_bytes);
+    return 0;
+  }
+
   /* we can't add elements bigger than the max table size */
-  if (elem_bytes > tbl->max_bytes) {
+  if (elem_bytes > tbl->current_table_bytes) {
     /* HPACK draft 10 section 4.4 states:
      * If the size of the new entry is less than or equal to the maximum
      * size, that entry is added to the table.  It is not an error to
@@ -242,44 +314,43 @@ void grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md) {
     while (tbl->num_ents) {
       evict1(tbl);
     }
-    return;
+    return 1;
   }
 
   /* evict entries to ensure no overflow */
-  while (elem_bytes > (size_t)tbl->max_bytes - tbl->mem_used) {
+  while (elem_bytes > (size_t)tbl->current_table_bytes - tbl->mem_used) {
     evict1(tbl);
   }
 
   /* copy the finalized entry in */
-  tbl->ents[tbl->last_ent] = md;
+  tbl->ents[(tbl->first_ent + tbl->num_ents) % tbl->cap_entries] =
+      GRPC_MDELEM_REF(md);
 
   /* update accounting values */
-  tbl->last_ent =
-      (gpr_uint16)((tbl->last_ent + 1) % GRPC_CHTTP2_MAX_TABLE_COUNT);
   tbl->num_ents++;
-  tbl->mem_used = (gpr_uint16)(tbl->mem_used + elem_bytes);
+  tbl->mem_used += (gpr_uint32)elem_bytes;
+  return 1;
 }
 
 grpc_chttp2_hptbl_find_result grpc_chttp2_hptbl_find(
     const grpc_chttp2_hptbl *tbl, grpc_mdelem *md) {
   grpc_chttp2_hptbl_find_result r = {0, 0};
-  gpr_uint16 i;
+  gpr_uint32 i;
 
   /* See if the string is in the static table */
   for (i = 0; i < GRPC_CHTTP2_LAST_STATIC_ENTRY; i++) {
     grpc_mdelem *ent = tbl->static_ents[i];
     if (md->key != ent->key) continue;
-    r.index = (gpr_uint16)(i + 1);
+    r.index = i + 1u;
     r.has_value = md->value == ent->value;
     if (r.has_value) return r;
   }
 
   /* Scan the dynamic table */
   for (i = 0; i < tbl->num_ents; i++) {
-    gpr_uint16 idx =
+    gpr_uint32 idx =
-        (gpr_uint16)(tbl->num_ents - i + GRPC_CHTTP2_LAST_STATIC_ENTRY);
+        (gpr_uint32)(tbl->num_ents - i + GRPC_CHTTP2_LAST_STATIC_ENTRY);
-    grpc_mdelem *ent =
+    grpc_mdelem *ent = tbl->ents[(tbl->first_ent + i) % tbl->cap_entries];
-        tbl->ents[(tbl->first_ent + i) % GRPC_CHTTP2_MAX_TABLE_COUNT];
     if (md->key != ent->key) continue;
     r.index = idx;
     r.has_value = md->value == ent->value;

src/core/transport/chttp2/hpack_table.h

@@ -49,46 +49,58 @@
 #define GRPC_CHTTP2_MAX_HPACK_TABLE_SIZE GRPC_CHTTP2_INITIAL_HPACK_TABLE_SIZE
 /* Per entry overhead bytes as per the spec */
 #define GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD 32
+#if 0
 /* Maximum number of entries we could possibly fit in the table, given defined
    overheads */
 #define GRPC_CHTTP2_MAX_TABLE_COUNT                                            \
   ((GRPC_CHTTP2_MAX_HPACK_TABLE_SIZE + GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD - 1) / \
    GRPC_CHTTP2_HPACK_ENTRY_OVERHEAD)
+#endif
 
 /* hpack decoder table */
 typedef struct {
   /* the first used entry in ents */
-  gpr_uint16 first_ent;
+  gpr_uint32 first_ent;
-  /* the last used entry in ents */
-  gpr_uint16 last_ent;
   /* how many entries are in the table */
-  gpr_uint16 num_ents;
+  gpr_uint32 num_ents;
   /* the amount of memory used by the table, according to the hpack algorithm */
-  gpr_uint16 mem_used;
+  gpr_uint32 mem_used;
   /* the max memory allowed to be used by the table, according to the hpack
      algorithm */
-  gpr_uint16 max_bytes;
+  gpr_uint32 max_bytes;
+  /* the currently agreed size of the table, according to the hpack algorithm */
+  gpr_uint32 current_table_bytes;
+  /* Maximum number of entries we could possibly fit in the table, given defined
+     overheads */
+  gpr_uint32 max_entries;
+  /* Number of entries allocated in ents */
+  gpr_uint32 cap_entries;
   /* a circular buffer of headers - this is stored in the opposite order to
      what hpack specifies, in order to simplify table management a little...
      meaning lookups need to SUBTRACT from the end position */
-  grpc_mdelem *ents[GRPC_CHTTP2_MAX_TABLE_COUNT];
+  grpc_mdelem **ents;
   grpc_mdelem *static_ents[GRPC_CHTTP2_LAST_STATIC_ENTRY];
 } grpc_chttp2_hptbl;
 
 /* initialize a hpack table */
 void grpc_chttp2_hptbl_init(grpc_chttp2_hptbl *tbl);
 void grpc_chttp2_hptbl_destroy(grpc_chttp2_hptbl *tbl);
+void grpc_chttp2_hptbl_set_max_bytes(grpc_chttp2_hptbl *tbl,
+                                     gpr_uint32 max_bytes);
+int grpc_chttp2_hptbl_set_current_table_size(grpc_chttp2_hptbl *tbl,
+                                             gpr_uint32 bytes);
 
 /* lookup a table entry based on its hpack index */
 grpc_mdelem *grpc_chttp2_hptbl_lookup(const grpc_chttp2_hptbl *tbl,
                                       gpr_uint32 index);
 /* add a table entry to the index */
-void grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl, grpc_mdelem *md);
+int grpc_chttp2_hptbl_add(grpc_chttp2_hptbl *tbl,
+                          grpc_mdelem *md) GRPC_MUST_USE_RESULT;
 /* Find a key/value pair in the table... returns the index in the table of the
    most similar entry, or 0 if the value was not found */
 typedef struct {
-  gpr_uint16 index;
+  gpr_uint32 index;
-  gpr_uint8 has_value;
+  int has_value;
 } grpc_chttp2_hptbl_find_result;
 grpc_chttp2_hptbl_find_result grpc_chttp2_hptbl_find(
     const grpc_chttp2_hptbl *tbl, grpc_mdelem *md);

src/core/transport/chttp2/internal.h

@@ -227,6 +227,9 @@ struct grpc_chttp2_transport_parsing {
   /** was a goaway frame received? */
   gpr_uint8 goaway_received;
 
+  /** the last sent max_table_size setting */
+  gpr_uint32 last_sent_max_table_size;
+
   /** initial window change */
   gpr_int64 initial_window_update;
 
@@ -479,7 +482,8 @@ struct grpc_chttp2_stream {
 /** Someone is unlocking the transport mutex: check to see if writes
     are required, and schedule them if so */
 int grpc_chttp2_unlocking_check_writes(grpc_chttp2_transport_global *global,
-                                       grpc_chttp2_transport_writing *writing);
+                                       grpc_chttp2_transport_writing *writing,
+                                       int is_parsing);
 void grpc_chttp2_perform_writes(
     grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_writing *transport_writing,
     grpc_endpoint *endpoint);

src/core/transport/chttp2/parsing.c

@@ -79,6 +79,9 @@ void grpc_chttp2_prepare_to_read(
   GPR_TIMER_BEGIN("grpc_chttp2_prepare_to_read", 0);
 
   transport_parsing->next_stream_id = transport_global->next_stream_id;
+  transport_parsing->last_sent_max_table_size =
+      transport_global->settings[GRPC_SENT_SETTINGS]
+                                [GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE];
 
   /* update the parsing view of incoming window */
   while (grpc_chttp2_list_pop_unannounced_incoming_window_available(
@@ -128,6 +131,7 @@ void grpc_chttp2_publish_reads(
            transport_global->settings[GRPC_SENT_SETTINGS],
            GRPC_CHTTP2_NUM_SETTINGS * sizeof(gpr_uint32));
     transport_parsing->settings_ack_received = 0;
+    transport_global->sent_local_settings = 0;
   }
 
   /* move goaway to the global state if we received one (it will be
@@ -818,6 +822,9 @@ static int init_settings_frame_parser(
   }
   if (transport_parsing->incoming_frame_flags & GRPC_CHTTP2_FLAG_ACK) {
     transport_parsing->settings_ack_received = 1;
+    grpc_chttp2_hptbl_set_max_bytes(
+        &transport_parsing->hpack_parser.table,
+        transport_parsing->last_sent_max_table_size);
   }
   transport_parsing->parser = grpc_chttp2_settings_parser_parse;
   transport_parsing->parser_data = &transport_parsing->simple.settings;

src/core/transport/chttp2/writing.c

@@ -45,7 +45,7 @@ static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
 
 int grpc_chttp2_unlocking_check_writes(
     grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_transport_writing *transport_writing) {
+    grpc_chttp2_transport_writing *transport_writing, int is_parsing) {
   grpc_chttp2_stream_global *stream_global;
   grpc_chttp2_stream_writing *stream_writing;
 
@@ -55,8 +55,13 @@ int grpc_chttp2_unlocking_check_writes(
   gpr_slice_buffer_swap(&transport_global->qbuf, &transport_writing->outbuf);
   GPR_ASSERT(transport_global->qbuf.count == 0);
 
+  grpc_chttp2_hpack_compressor_set_max_table_size(
+      &transport_writing->hpack_compressor,
+      transport_global->settings[GRPC_PEER_SETTINGS]
+                                [GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE]);
+
   if (transport_global->dirtied_local_settings &&
-      !transport_global->sent_local_settings) {
+      !transport_global->sent_local_settings && !is_parsing) {
     gpr_slice_buffer_add(
         &transport_writing->outbuf,
         grpc_chttp2_settings_create(

src/core/transport/chttp2_transport.c

@@ -327,6 +327,31 @@ static void init_transport(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
           t->global.next_stream_id =
               (gpr_uint32)channel_args->args[i].value.integer;
         }
+      } else if (0 == strcmp(channel_args->args[i].key,
+                             GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER)) {
+        if (channel_args->args[i].type != GRPC_ARG_INTEGER) {
+          gpr_log(GPR_ERROR, "%s: must be an integer",
+                  GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER);
+        } else if (channel_args->args[i].value.integer < 0) {
+          gpr_log(GPR_DEBUG, "%s: must be non-negative",
+                  GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER);
+        } else {
+          push_setting(t, GRPC_CHTTP2_SETTINGS_HEADER_TABLE_SIZE,
+                       (gpr_uint32)channel_args->args[i].value.integer);
+        }
+      } else if (0 == strcmp(channel_args->args[i].key,
+                             GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_ENCODER)) {
+        if (channel_args->args[i].type != GRPC_ARG_INTEGER) {
+          gpr_log(GPR_ERROR, "%s: must be an integer",
+                  GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_ENCODER);
+        } else if (channel_args->args[i].value.integer < 0) {
+          gpr_log(GPR_DEBUG, "%s: must be non-negative",
+                  GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_ENCODER);
+        } else {
+          grpc_chttp2_hpack_compressor_set_max_usable_size(
+              &t->writing.hpack_compressor,
+              (gpr_uint32)channel_args->args[i].value.integer);
+        }
       }
     }
   }
@@ -552,7 +577,8 @@ static void lock(grpc_chttp2_transport *t) { gpr_mu_lock(&t->mu); }
 static void unlock(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) {
   GPR_TIMER_BEGIN("unlock", 0);
   if (!t->writing_active && !t->closed &&
-      grpc_chttp2_unlocking_check_writes(&t->global, &t->writing)) {
+      grpc_chttp2_unlocking_check_writes(&t->global, &t->writing,
+                                         t->parsing_active)) {
     t->writing_active = 1;
     REF_TRANSPORT(t, "writing");
     grpc_exec_ctx_enqueue(exec_ctx, &t->writing_action, 1);
@@ -723,6 +749,8 @@ static int contains_non_ok_status(
   return 0;
 }
 
+static void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, int success) {}
+
 static void perform_stream_op_locked(
     grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global *stream_global, grpc_transport_stream_op *op) {
@@ -731,6 +759,9 @@ static void perform_stream_op_locked(
   GPR_TIMER_BEGIN("perform_stream_op_locked", 0);
 
   on_complete = op->on_complete;
+  if (on_complete == NULL) {
+    on_complete = grpc_closure_create(do_nothing, NULL);
+  }
   /* use final_data as a barrier until enqueue time; the inital counter is
      dropped at the end of this function */
   on_complete->final_data = 2;

src/csharp/Grpc.Core/Profiling/IProfiler.cs

@@ -41,7 +41,9 @@ namespace Grpc.Core.Profiling
     internal interface IProfiler 
     {
         void Begin(string tag);
+
         void End(string tag);
+
         void Mark(string tag);
     }
 }

src/csharp/Grpc.Core/Profiling/ProfilerEntry.cs

@@ -40,7 +40,8 @@ namespace Grpc.Core.Profiling
 {
     internal struct ProfilerEntry
     {
-        public enum Type {
+        public enum Type
+        {
             BEGIN,
             END,
             MARK

src/csharp/Grpc.Core/Profiling/Profilers.cs

@@ -40,12 +40,12 @@ namespace Grpc.Core.Profiling
 {
     internal static class Profilers
     {
-        static readonly NopProfiler defaultProfiler = new NopProfiler();
+        static readonly NopProfiler DefaultProfiler = new NopProfiler();
         static readonly ThreadLocal<IProfiler> profilers = new ThreadLocal<IProfiler>();
 
         public static IProfiler ForCurrentThread()
         {
-            return profilers.Value ?? defaultProfiler;
+            return profilers.Value ?? DefaultProfiler;
         }
 
         public static void SetForCurrentThread(IProfiler profiler)
@@ -89,15 +89,18 @@ namespace Grpc.Core.Profiling
             this.entries = new ProfilerEntry[capacity];
         }
 
-        public void Begin(string tag) {
+        public void Begin(string tag)
+        {
             AddEntry(new ProfilerEntry(Timespec.PreciseNow, ProfilerEntry.Type.BEGIN, tag));
         }
 
-        public void End(string tag) {
+        public void End(string tag)
+        {
             AddEntry(new ProfilerEntry(Timespec.PreciseNow, ProfilerEntry.Type.END, tag));
         }
 
-        public void Mark(string tag) {
+        public void Mark(string tag)
+        {
             AddEntry(new ProfilerEntry(Timespec.PreciseNow, ProfilerEntry.Type.MARK, tag));
         }
 

src/csharp/Grpc.IntegrationTesting.QpsWorker/.gitignore

@@ -0,0 +1,3 @@
+bin
+obj
+

src/csharp/Grpc.IntegrationTesting.QpsWorker/Grpc.IntegrationTesting.QpsWorker.csproj

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{B82B7DFE-7F7B-40EF-B3D6-064FF2B01294}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>Grpc.IntegrationTesting.QpsWorker</RootNamespace>
+    <AssemblyName>Grpc.IntegrationTesting.QpsWorker</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug</OutputPath>
+    <DefineConstants>DEBUG;</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>AnyCPU</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>AnyCPU</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'ReleaseSigned|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\ReleaseSigned</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <SignAssembly>True</SignAssembly>
+    <AssemblyOriginatorKeyFile>C:\keys\Grpc.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\Grpc.Core\Version.cs">
+      <Link>Version.cs</Link>
+    </Compile>
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <ItemGroup>
+    <ProjectReference Include="..\Grpc.Core\Grpc.Core.csproj">
+      <Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
+      <Name>Grpc.Core</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Grpc.IntegrationTesting\Grpc.IntegrationTesting.csproj">
+      <Project>{C61154BA-DD4A-4838-8420-0162A28925E0}</Project>
+      <Name>Grpc.IntegrationTesting</Name>
+    </ProjectReference>
+  </ItemGroup>
+</Project>

src/csharp/Grpc.IntegrationTesting.QpsWorker/Program.cs

@@ -0,0 +1,46 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using Grpc.IntegrationTesting;
+
+namespace Grpc.IntegrationTesting
+{
+    class Program
+    {
+        public static void Main(string[] args)
+        {
+            QpsWorker.Run(args);
+        }
+    }
+}

src/csharp/Grpc.IntegrationTesting.QpsWorker/Properties/AssemblyInfo.cs

@@ -0,0 +1,11 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+
+[assembly: AssemblyTitle("Grpc.IntegrationTesting.QpsWorker")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("")]
+[assembly: AssemblyCopyright("Google Inc.  All rights reserved.")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]

src/csharp/Grpc.IntegrationTesting/BenchmarkServiceImpl.cs

@@ -0,0 +1,76 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+
+namespace Grpc.Testing
+{
+    /// <summary>
+    /// Implementation of BenchmarkService server
+    /// </summary>
+    public class BenchmarkServiceImpl : BenchmarkService.IBenchmarkService
+    {
+        private readonly int responseSize;
+
+        public BenchmarkServiceImpl(int responseSize)
+        {
+            this.responseSize = responseSize;
+        }
+
+        public Task<SimpleResponse> UnaryCall(SimpleRequest request, ServerCallContext context)
+        {
+            var response = new SimpleResponse { Payload = CreateZerosPayload(responseSize) };
+            return Task.FromResult(response);
+        }
+
+        public async Task StreamingCall(IAsyncStreamReader<SimpleRequest> requestStream, IServerStreamWriter<SimpleResponse> responseStream, ServerCallContext context)
+        {
+            await requestStream.ForEachAsync(async request =>
+            {
+                var response = new SimpleResponse { Payload = CreateZerosPayload(responseSize) };
+                await responseStream.WriteAsync(response);
+            });
+        }
+
+        private static Payload CreateZerosPayload(int size)
+        {
+            return new Payload { Body = ByteString.CopyFrom(new byte[size]) };
+        }
+    }
+}

src/csharp/Grpc.IntegrationTesting/ClientRunners.cs

@@ -0,0 +1,153 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Helper methods to start client runners for performance testing.
+    /// </summary>
+    public static class ClientRunners
+    {
+        /// <summary>
+        /// Creates a started client runner.
+        /// </summary>
+        public static IClientRunner CreateStarted(ClientConfig config)
+        {
+            string target = config.ServerTargets.Single();
+            Grpc.Core.Utils.Preconditions.CheckArgument(config.LoadParams.LoadCase == LoadParams.LoadOneofCase.ClosedLoop);
+
+            var credentials = config.SecurityParams != null ? TestCredentials.CreateSslCredentials() : ChannelCredentials.Insecure;
+            var channel = new Channel(target, credentials);
+
+            switch (config.RpcType)
+            {
+                case RpcType.UNARY:
+                    return new SyncUnaryClientRunner(channel,
+                        config.PayloadConfig.SimpleParams.ReqSize,
+                        config.HistogramParams);
+
+                case RpcType.STREAMING:
+                default:
+                    throw new ArgumentException("Unsupported RpcType.");
+            }
+        }
+    }
+
+    /// <summary>
+    /// Client that starts synchronous unary calls in a closed loop.
+    /// </summary>
+    public class SyncUnaryClientRunner : IClientRunner
+    {
+        const double SecondsToNanos = 1e9;
+
+        readonly Channel channel;
+        readonly int payloadSize;
+        readonly Histogram histogram;
+
+        readonly BenchmarkService.IBenchmarkServiceClient client;
+        readonly Task runnerTask;
+        readonly CancellationTokenSource stoppedCts;
+        readonly WallClockStopwatch wallClockStopwatch = new WallClockStopwatch();
+        
+        public SyncUnaryClientRunner(Channel channel, int payloadSize, HistogramParams histogramParams)
+        {
+            this.channel = Grpc.Core.Utils.Preconditions.CheckNotNull(channel);
+            this.payloadSize = payloadSize;
+            this.histogram = new Histogram(histogramParams.Resolution, histogramParams.MaxPossible);
+
+            this.stoppedCts = new CancellationTokenSource();
+            this.client = BenchmarkService.NewClient(channel);
+            this.runnerTask = Task.Factory.StartNew(Run, TaskCreationOptions.LongRunning);
+        }
+
+        public ClientStats GetStats(bool reset)
+        {
+            var histogramData = histogram.GetSnapshot(reset);
+            var secondsElapsed = wallClockStopwatch.GetElapsedSnapshot(reset).TotalSeconds;
+
+            // TODO: populate user time and system time
+            return new ClientStats
+            {
+                Latencies = histogramData,
+                TimeElapsed = secondsElapsed,
+                TimeUser = 0,
+                TimeSystem = 0
+            };
+        }
+
+        public async Task StopAsync()
+        {
+            stoppedCts.Cancel();
+            await runnerTask;
+            await channel.ShutdownAsync();
+        }
+
+        private void Run()
+        {
+            var request = new SimpleRequest
+            {
+                Payload = CreateZerosPayload(payloadSize)
+            };
+            var stopwatch = new Stopwatch();
+
+            while (!stoppedCts.Token.IsCancellationRequested)
+            {
+                stopwatch.Restart();
+                client.UnaryCall(request);
+                stopwatch.Stop();
+
+                // spec requires data point in nanoseconds.
+                histogram.AddObservation(stopwatch.Elapsed.TotalSeconds * SecondsToNanos);
+            }
+        }
+
+        private static Payload CreateZerosPayload(int size)
+        {
+            return new Payload { Body = ByteString.CopyFrom(new byte[size]) };
+        }
+    }
+}

src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj

@@ -38,55 +38,46 @@
     <AssemblyOriginatorKeyFile>C:\keys\Grpc.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="BouncyCastle.Crypto, Version=1.7.4137.9688, Culture=neutral, PublicKeyToken=a4292a325f69b123, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
-    </Reference>
     <Reference Include="CommandLine">
       <HintPath>..\packages\CommandLineParser.1.9.71\lib\net45\CommandLine.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth, Version=1.9.3.19379, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="nunit.framework">
-      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Interactive.Async">
+      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Net" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Net.Http.WebRequest" />
+    <Reference Include="BouncyCastle.Crypto">
+      <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
+    </Reference>
+    <Reference Include="Google.Apis.Auth">
       <HintPath>..\packages\Google.Apis.Auth.1.9.3\lib\net40\Google.Apis.Auth.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Auth.PlatformServices, Version=1.9.3.19383, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Auth.PlatformServices">
-      <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Apis.Auth.1.9.3\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Apis.Core, Version=1.9.3.19379, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab, processorArchitecture=MSIL">
+    <Reference Include="Google.Apis.Core">
-      <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Apis.Core.1.9.3\lib\portable-net40+sl50+win+wpa81+wp80\Google.Apis.Core.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Protobuf, Version=3.0.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
+    <Reference Include="Google.Protobuf">
-      <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Google.Protobuf.3.0.0-alpha4\lib\portable-net45+netcore45+wpa81+wp8\Google.Protobuf.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Threading.Tasks, Version=1.0.12.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+    <Reference Include="Microsoft.Threading.Tasks">
-      <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions, Version=1.0.12.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+    <Reference Include="Microsoft.Threading.Tasks.Extensions">
-      <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
     </Reference>
-    <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop, Version=1.0.168.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+    <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop">
-      <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
     </Reference>
-    <Reference Include="Newtonsoft.Json, Version=7.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+    <Reference Include="Newtonsoft.Json">
-      <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Newtonsoft.Json.7.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework">
-      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="System.Interactive.Async">
-      <HintPath>..\packages\Ix-Async.1.2.3\lib\net45\System.Interactive.Async.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Net" />
-    <Reference Include="System.Net.Http" />
-    <Reference Include="System.Net.Http.WebRequest" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="..\Grpc.Core\Version.cs">
@@ -104,6 +95,22 @@
     <Compile Include="TestGrpc.cs" />
     <Compile Include="SslCredentialsTest.cs" />
     <Compile Include="Test.cs" />
+    <Compile Include="IClientRunner.cs" />
+    <Compile Include="ClientRunners.cs" />
+    <Compile Include="IServerRunner.cs" />
+    <Compile Include="ServerRunners.cs" />
+    <Compile Include="RunnerClientServerTest.cs" />
+    <Compile Include="Control.cs" />
+    <Compile Include="Payloads.cs" />
+    <Compile Include="Services.cs" />
+    <Compile Include="ServicesGrpc.cs" />
+    <Compile Include="Stats.cs" />
+    <Compile Include="BenchmarkServiceImpl.cs" />
+    <Compile Include="Histogram.cs" />
+    <Compile Include="HistogramTest.cs" />
+    <Compile Include="WorkerServiceImpl.cs" />
+    <Compile Include="QpsWorker.cs" />
+    <Compile Include="WallClockStopwatch.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>

src/csharp/Grpc.IntegrationTesting/Histogram.cs

@@ -0,0 +1,153 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Basic implementation of histogram based on grpc/support/histogram.h.
+    /// </summary>
+    public class Histogram
+    {
+        readonly object myLock = new object();
+        readonly double multiplier;
+        readonly double oneOnLogMultiplier;
+        readonly double maxPossible;
+        readonly uint[] buckets;
+
+        int count;
+        double sum;
+        double sumOfSquares;
+        double min;
+        double max;
+
+        public Histogram(double resolution, double maxPossible)
+        {
+            Grpc.Core.Utils.Preconditions.CheckArgument(resolution > 0);
+            Grpc.Core.Utils.Preconditions.CheckArgument(maxPossible > 0);
+            this.maxPossible = maxPossible;
+            this.multiplier = 1.0 + resolution;
+            this.oneOnLogMultiplier = 1.0 / Math.Log(1.0 + resolution);
+            this.buckets = new uint[FindBucket(maxPossible) + 1];
+
+            ResetUnsafe();
+        }
+
+        public void AddObservation(double value)
+        {
+            lock (myLock)
+            {
+                AddObservationUnsafe(value);    
+            }
+        }
+
+
+        /// <summary>
+        /// Gets snapshot of stats and reset 
+        /// </summary>
+        public HistogramData GetSnapshot(bool reset = false)
+        {
+            lock (myLock)
+            {
+                return GetSnapshotUnsafe(reset);    
+            }
+        }
+
+        /// <summary>
+        /// Finds bucket index to which given observation should go.
+        /// </summary>
+        private int FindBucket(double value)
+        {
+            value = Math.Max(value, 1.0);
+            value = Math.Min(value, this.maxPossible);
+            return (int)(Math.Log(value) * oneOnLogMultiplier);
+        }
+
+        private void AddObservationUnsafe(double value)
+        {
+            this.count++;
+            this.sum += value;
+            this.sumOfSquares += value * value;
+            this.min = Math.Min(this.min, value);
+            this.max = Math.Max(this.max, value);
+
+            this.buckets[FindBucket(value)]++;
+        }
+
+        private HistogramData GetSnapshotUnsafe(bool reset)
+        {
+            var data = new HistogramData
+            {
+                Count = count,
+                Sum = sum,
+                SumOfSquares = sumOfSquares,
+                MinSeen = min,
+                MaxSeen = max,
+                Bucket = { buckets }
+            };
+
+            if (reset)
+            {
+                ResetUnsafe();
+            }
+
+            return data;
+        }
+
+        private void ResetUnsafe()
+        {
+            this.count = 0;
+            this.sum = 0;
+            this.sumOfSquares = 0;
+            this.min = double.PositiveInfinity;
+            this.max = double.NegativeInfinity;
+            for (int i = 0; i < this.buckets.Length; i++)
+            {
+                this.buckets[i] = 0;
+            }
+        }
+    }
+}

src/csharp/Grpc.IntegrationTesting/HistogramTest.cs

@@ -0,0 +1,104 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+using NUnit.Framework;
+
+namespace Grpc.IntegrationTesting
+{
+    public class HistogramTest
+    {
+        [Test]
+        public void Simple()
+        {
+            var hist = new Histogram(0.01, 60e9);
+            hist.AddObservation(10000);
+            hist.AddObservation(10000);
+            hist.AddObservation(11000);
+            hist.AddObservation(11000);
+
+            var data = hist.GetSnapshot();
+
+            Assert.AreEqual(4, data.Count);
+            Assert.AreEqual(42000.0, data.Sum, 1e-6);
+            Assert.AreEqual(10000, data.MinSeen);
+            Assert.AreEqual(11000, data.MaxSeen);
+            Assert.AreEqual(2.0*10000*10000 + 2.0*11000*11000, data.SumOfSquares, 1e-6);
+
+            // 1.01^925 < 10000 < 1.01^926
+            Assert.AreEqual(2, data.Bucket[925]);
+            Assert.AreEqual(2, data.Bucket[935]);
+        }
+
+        [Test]
+        public void ExtremeObservations()
+        {
+            var hist = new Histogram(0.01, 60e9);
+            hist.AddObservation(-0.5);  // should be in the first bucket
+            hist.AddObservation(1e12);  // should be in the last bucket 
+
+            var data = hist.GetSnapshot();
+            Assert.AreEqual(1, data.Bucket[0]);
+            Assert.AreEqual(1, data.Bucket[data.Bucket.Count - 1]);
+        }
+
+        [Test]
+        public void Reset()
+        {
+            var hist = new Histogram(0.01, 60e9);
+            hist.AddObservation(10000);
+            hist.AddObservation(11000);
+
+            var data = hist.GetSnapshot(true);  // snapshot contains data before reset
+            Assert.AreEqual(2, data.Count);
+            Assert.AreEqual(10000, data.MinSeen);
+            Assert.AreEqual(11000, data.MaxSeen);
+
+            data = hist.GetSnapshot();  // snapshot contains state after reset
+            Assert.AreEqual(0, data.Count);
+            Assert.AreEqual(double.PositiveInfinity, data.MinSeen);
+            Assert.AreEqual(double.NegativeInfinity, data.MaxSeen);
+            Assert.AreEqual(0, data.Sum);
+            Assert.AreEqual(0, data.SumOfSquares);
+            CollectionAssert.AreEqual(new uint[data.Bucket.Count], data.Bucket); 
+        }
+    }
+}

src/csharp/Grpc.IntegrationTesting/IClientRunner.cs

@@ -0,0 +1,67 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Abstract client runner.
+    /// </summary>
+    public interface IClientRunner
+    {
+        /// <summary>
+        /// Gets stats snapshot.
+        /// </summary>
+        /// <returns>The stats.</returns>
+        ClientStats GetStats(bool reset);
+
+        /// <summary>
+        /// Asynchronously stops the client.
+        /// </summary>
+        /// <returns>Task that finishes when client has come to a full stop.</returns>
+        Task StopAsync();
+    }
+        
+}

src/csharp/Grpc.IntegrationTesting/IServerRunner.cs

@@ -0,0 +1,72 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Abstract server runner.
+    /// </summary>
+    public interface IServerRunner
+    {
+        /// <summary>
+        /// Port on which the server is listening.
+        /// </summary>
+        int BoundPort { get; }
+        
+        /// <summary>
+        /// Gets server stats.
+        /// </summary>
+        /// <returns>The stats.</returns>
+        ServerStats GetStats(bool reset);
+
+        /// <summary>
+        /// Asynchronously stops the server.
+        /// </summary>
+        /// <returns>Task that finishes when server has shutdown.</returns>
+        Task StopAsync();
+    }
+        
+}

src/csharp/Grpc.IntegrationTesting/Payloads.cs

@@ -0,0 +1,580 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: test/proto/benchmarks/payloads.proto
+#pragma warning disable 1591, 0612, 3021
+#region Designer generated code
+
+using pb = global::Google.Protobuf;
+using pbc = global::Google.Protobuf.Collections;
+using pbr = global::Google.Protobuf.Reflection;
+using scg = global::System.Collections.Generic;
+namespace Grpc.Testing {
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public static partial class Payloads {
+
+    #region Descriptor
+    public static pbr::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbr::FileDescriptor descriptor;
+
+    static Payloads() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          string.Concat(
+            "CiR0ZXN0L3Byb3RvL2JlbmNobWFya3MvcGF5bG9hZHMucHJvdG8SDGdycGMu", 
+            "dGVzdGluZyI3ChBCeXRlQnVmZmVyUGFyYW1zEhAKCHJlcV9zaXplGAEgASgF", 
+            "EhEKCXJlc3Bfc2l6ZRgCIAEoBSI4ChFTaW1wbGVQcm90b1BhcmFtcxIQCghy", 
+            "ZXFfc2l6ZRgBIAEoBRIRCglyZXNwX3NpemUYAiABKAUiFAoSQ29tcGxleFBy", 
+            "b3RvUGFyYW1zIsoBCg1QYXlsb2FkQ29uZmlnEjgKDmJ5dGVidWZfcGFyYW1z", 
+            "GAEgASgLMh4uZ3JwYy50ZXN0aW5nLkJ5dGVCdWZmZXJQYXJhbXNIABI4Cg1z", 
+            "aW1wbGVfcGFyYW1zGAIgASgLMh8uZ3JwYy50ZXN0aW5nLlNpbXBsZVByb3Rv", 
+            "UGFyYW1zSAASOgoOY29tcGxleF9wYXJhbXMYAyABKAsyIC5ncnBjLnRlc3Rp", 
+            "bmcuQ29tcGxleFByb3RvUGFyYW1zSABCCQoHcGF5bG9hZGIGcHJvdG8z"));
+      descriptor = pbr::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+          new pbr::FileDescriptor[] { },
+          new pbr::GeneratedCodeInfo(null, new pbr::GeneratedCodeInfo[] {
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ByteBufferParams), new[]{ "ReqSize", "RespSize" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.SimpleProtoParams), new[]{ "ReqSize", "RespSize" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ComplexProtoParams), null, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.PayloadConfig), new[]{ "BytebufParams", "SimpleParams", "ComplexParams" }, new[]{ "Payload" }, null, null)
+          }));
+    }
+    #endregion
+
+  }
+  #region Messages
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class ByteBufferParams : pb::IMessage<ByteBufferParams> {
+    private static readonly pb::MessageParser<ByteBufferParams> _parser = new pb::MessageParser<ByteBufferParams>(() => new ByteBufferParams());
+    public static pb::MessageParser<ByteBufferParams> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.Payloads.Descriptor.MessageTypes[0]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public ByteBufferParams() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public ByteBufferParams(ByteBufferParams other) : this() {
+      reqSize_ = other.reqSize_;
+      respSize_ = other.respSize_;
+    }
+
+    public ByteBufferParams Clone() {
+      return new ByteBufferParams(this);
+    }
+
+    public const int ReqSizeFieldNumber = 1;
+    private int reqSize_;
+    public int ReqSize {
+      get { return reqSize_; }
+      set {
+        reqSize_ = value;
+      }
+    }
+
+    public const int RespSizeFieldNumber = 2;
+    private int respSize_;
+    public int RespSize {
+      get { return respSize_; }
+      set {
+        respSize_ = value;
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as ByteBufferParams);
+    }
+
+    public bool Equals(ByteBufferParams other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (ReqSize != other.ReqSize) return false;
+      if (RespSize != other.RespSize) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (ReqSize != 0) hash ^= ReqSize.GetHashCode();
+      if (RespSize != 0) hash ^= RespSize.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (ReqSize != 0) {
+        output.WriteRawTag(8);
+        output.WriteInt32(ReqSize);
+      }
+      if (RespSize != 0) {
+        output.WriteRawTag(16);
+        output.WriteInt32(RespSize);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (ReqSize != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(ReqSize);
+      }
+      if (RespSize != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(RespSize);
+      }
+      return size;
+    }
+
+    public void MergeFrom(ByteBufferParams other) {
+      if (other == null) {
+        return;
+      }
+      if (other.ReqSize != 0) {
+        ReqSize = other.ReqSize;
+      }
+      if (other.RespSize != 0) {
+        RespSize = other.RespSize;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 8: {
+            ReqSize = input.ReadInt32();
+            break;
+          }
+          case 16: {
+            RespSize = input.ReadInt32();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class SimpleProtoParams : pb::IMessage<SimpleProtoParams> {
+    private static readonly pb::MessageParser<SimpleProtoParams> _parser = new pb::MessageParser<SimpleProtoParams>(() => new SimpleProtoParams());
+    public static pb::MessageParser<SimpleProtoParams> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.Payloads.Descriptor.MessageTypes[1]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public SimpleProtoParams() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public SimpleProtoParams(SimpleProtoParams other) : this() {
+      reqSize_ = other.reqSize_;
+      respSize_ = other.respSize_;
+    }
+
+    public SimpleProtoParams Clone() {
+      return new SimpleProtoParams(this);
+    }
+
+    public const int ReqSizeFieldNumber = 1;
+    private int reqSize_;
+    public int ReqSize {
+      get { return reqSize_; }
+      set {
+        reqSize_ = value;
+      }
+    }
+
+    public const int RespSizeFieldNumber = 2;
+    private int respSize_;
+    public int RespSize {
+      get { return respSize_; }
+      set {
+        respSize_ = value;
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as SimpleProtoParams);
+    }
+
+    public bool Equals(SimpleProtoParams other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (ReqSize != other.ReqSize) return false;
+      if (RespSize != other.RespSize) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (ReqSize != 0) hash ^= ReqSize.GetHashCode();
+      if (RespSize != 0) hash ^= RespSize.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (ReqSize != 0) {
+        output.WriteRawTag(8);
+        output.WriteInt32(ReqSize);
+      }
+      if (RespSize != 0) {
+        output.WriteRawTag(16);
+        output.WriteInt32(RespSize);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (ReqSize != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(ReqSize);
+      }
+      if (RespSize != 0) {
+        size += 1 + pb::CodedOutputStream.ComputeInt32Size(RespSize);
+      }
+      return size;
+    }
+
+    public void MergeFrom(SimpleProtoParams other) {
+      if (other == null) {
+        return;
+      }
+      if (other.ReqSize != 0) {
+        ReqSize = other.ReqSize;
+      }
+      if (other.RespSize != 0) {
+        RespSize = other.RespSize;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 8: {
+            ReqSize = input.ReadInt32();
+            break;
+          }
+          case 16: {
+            RespSize = input.ReadInt32();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class ComplexProtoParams : pb::IMessage<ComplexProtoParams> {
+    private static readonly pb::MessageParser<ComplexProtoParams> _parser = new pb::MessageParser<ComplexProtoParams>(() => new ComplexProtoParams());
+    public static pb::MessageParser<ComplexProtoParams> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.Payloads.Descriptor.MessageTypes[2]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public ComplexProtoParams() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public ComplexProtoParams(ComplexProtoParams other) : this() {
+    }
+
+    public ComplexProtoParams Clone() {
+      return new ComplexProtoParams(this);
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as ComplexProtoParams);
+    }
+
+    public bool Equals(ComplexProtoParams other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      return size;
+    }
+
+    public void MergeFrom(ComplexProtoParams other) {
+      if (other == null) {
+        return;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class PayloadConfig : pb::IMessage<PayloadConfig> {
+    private static readonly pb::MessageParser<PayloadConfig> _parser = new pb::MessageParser<PayloadConfig>(() => new PayloadConfig());
+    public static pb::MessageParser<PayloadConfig> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.Payloads.Descriptor.MessageTypes[3]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public PayloadConfig() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public PayloadConfig(PayloadConfig other) : this() {
+      switch (other.PayloadCase) {
+        case PayloadOneofCase.BytebufParams:
+          BytebufParams = other.BytebufParams.Clone();
+          break;
+        case PayloadOneofCase.SimpleParams:
+          SimpleParams = other.SimpleParams.Clone();
+          break;
+        case PayloadOneofCase.ComplexParams:
+          ComplexParams = other.ComplexParams.Clone();
+          break;
+      }
+
+    }
+
+    public PayloadConfig Clone() {
+      return new PayloadConfig(this);
+    }
+
+    public const int BytebufParamsFieldNumber = 1;
+    public global::Grpc.Testing.ByteBufferParams BytebufParams {
+      get { return payloadCase_ == PayloadOneofCase.BytebufParams ? (global::Grpc.Testing.ByteBufferParams) payload_ : null; }
+      set {
+        payload_ = value;
+        payloadCase_ = value == null ? PayloadOneofCase.None : PayloadOneofCase.BytebufParams;
+      }
+    }
+
+    public const int SimpleParamsFieldNumber = 2;
+    public global::Grpc.Testing.SimpleProtoParams SimpleParams {
+      get { return payloadCase_ == PayloadOneofCase.SimpleParams ? (global::Grpc.Testing.SimpleProtoParams) payload_ : null; }
+      set {
+        payload_ = value;
+        payloadCase_ = value == null ? PayloadOneofCase.None : PayloadOneofCase.SimpleParams;
+      }
+    }
+
+    public const int ComplexParamsFieldNumber = 3;
+    public global::Grpc.Testing.ComplexProtoParams ComplexParams {
+      get { return payloadCase_ == PayloadOneofCase.ComplexParams ? (global::Grpc.Testing.ComplexProtoParams) payload_ : null; }
+      set {
+        payload_ = value;
+        payloadCase_ = value == null ? PayloadOneofCase.None : PayloadOneofCase.ComplexParams;
+      }
+    }
+
+    private object payload_;
+    public enum PayloadOneofCase {
+      None = 0,
+      BytebufParams = 1,
+      SimpleParams = 2,
+      ComplexParams = 3,
+    }
+    private PayloadOneofCase payloadCase_ = PayloadOneofCase.None;
+    public PayloadOneofCase PayloadCase {
+      get { return payloadCase_; }
+    }
+
+    public void ClearPayload() {
+      payloadCase_ = PayloadOneofCase.None;
+      payload_ = null;
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as PayloadConfig);
+    }
+
+    public bool Equals(PayloadConfig other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (!object.Equals(BytebufParams, other.BytebufParams)) return false;
+      if (!object.Equals(SimpleParams, other.SimpleParams)) return false;
+      if (!object.Equals(ComplexParams, other.ComplexParams)) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (payloadCase_ == PayloadOneofCase.BytebufParams) hash ^= BytebufParams.GetHashCode();
+      if (payloadCase_ == PayloadOneofCase.SimpleParams) hash ^= SimpleParams.GetHashCode();
+      if (payloadCase_ == PayloadOneofCase.ComplexParams) hash ^= ComplexParams.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (payloadCase_ == PayloadOneofCase.BytebufParams) {
+        output.WriteRawTag(10);
+        output.WriteMessage(BytebufParams);
+      }
+      if (payloadCase_ == PayloadOneofCase.SimpleParams) {
+        output.WriteRawTag(18);
+        output.WriteMessage(SimpleParams);
+      }
+      if (payloadCase_ == PayloadOneofCase.ComplexParams) {
+        output.WriteRawTag(26);
+        output.WriteMessage(ComplexParams);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (payloadCase_ == PayloadOneofCase.BytebufParams) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(BytebufParams);
+      }
+      if (payloadCase_ == PayloadOneofCase.SimpleParams) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(SimpleParams);
+      }
+      if (payloadCase_ == PayloadOneofCase.ComplexParams) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(ComplexParams);
+      }
+      return size;
+    }
+
+    public void MergeFrom(PayloadConfig other) {
+      if (other == null) {
+        return;
+      }
+      switch (other.PayloadCase) {
+        case PayloadOneofCase.BytebufParams:
+          BytebufParams = other.BytebufParams;
+          break;
+        case PayloadOneofCase.SimpleParams:
+          SimpleParams = other.SimpleParams;
+          break;
+        case PayloadOneofCase.ComplexParams:
+          ComplexParams = other.ComplexParams;
+          break;
+      }
+
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 10: {
+            global::Grpc.Testing.ByteBufferParams subBuilder = new global::Grpc.Testing.ByteBufferParams();
+            if (payloadCase_ == PayloadOneofCase.BytebufParams) {
+              subBuilder.MergeFrom(BytebufParams);
+            }
+            input.ReadMessage(subBuilder);
+            BytebufParams = subBuilder;
+            break;
+          }
+          case 18: {
+            global::Grpc.Testing.SimpleProtoParams subBuilder = new global::Grpc.Testing.SimpleProtoParams();
+            if (payloadCase_ == PayloadOneofCase.SimpleParams) {
+              subBuilder.MergeFrom(SimpleParams);
+            }
+            input.ReadMessage(subBuilder);
+            SimpleParams = subBuilder;
+            break;
+          }
+          case 26: {
+            global::Grpc.Testing.ComplexProtoParams subBuilder = new global::Grpc.Testing.ComplexProtoParams();
+            if (payloadCase_ == PayloadOneofCase.ComplexParams) {
+              subBuilder.MergeFrom(ComplexParams);
+            }
+            input.ReadMessage(subBuilder);
+            ComplexParams = subBuilder;
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  #endregion
+
+}
+
+#endregion Designer generated code

src/csharp/Grpc.IntegrationTesting/QpsWorker.cs

@@ -0,0 +1,108 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+using CommandLine;
+using CommandLine.Text;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+using NUnit.Framework;
+
+namespace Grpc.IntegrationTesting
+{
+    public class QpsWorker
+    {
+        private class ServerOptions
+        {
+            [Option("driver_port", DefaultValue = 0)]
+            public int DriverPort { get; set; }
+
+            [HelpOption]
+            public string GetUsage()
+            {
+                var help = new HelpText
+                {
+                    Heading = "gRPC C# performance testing worker",
+                    AddDashesToOption = true
+                };
+                help.AddPreOptionsLine("Usage:");
+                help.AddOptions(this);
+                return help;
+            }
+        }
+
+        ServerOptions options;
+
+        private QpsWorker(ServerOptions options)
+        {
+            this.options = options;
+        }
+
+        public static void Run(string[] args)
+        {
+            var options = new ServerOptions();
+            if (!Parser.Default.ParseArguments(args, options))
+            {
+                Environment.Exit(1);
+            }
+
+            var workerServer = new QpsWorker(options);
+            workerServer.Run();
+        }
+
+        private void Run()
+        {
+            string host = "0.0.0.0";
+            int port = options.DriverPort;
+
+            var server = new Server
+            {
+                Services = { WorkerService.BindService(new WorkerServiceImpl()) },
+                Ports = { new ServerPort(host, options.DriverPort, ServerCredentials.Insecure )}
+            };
+            int boundPort = server.Ports.Single().BoundPort;
+            Console.WriteLine("Running qps worker server on " + string.Format("{0}:{1}", host, boundPort));
+            server.Start();
+
+            server.ShutdownTask.Wait();
+        }
+    }
+}

src/csharp/Grpc.IntegrationTesting/RunnerClientServerTest.cs

@@ -0,0 +1,117 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.Testing;
+using NUnit.Framework;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Runs performance tests in-process.
+    /// </summary>
+    public class RunnerClientServerTest
+    {
+        const string Host = "localhost";
+        IServerRunner serverRunner;
+
+        [TestFixtureSetUp]
+        public void Init()
+        {
+            var serverConfig = new ServerConfig
+            {
+                ServerType = ServerType.ASYNC_SERVER,
+                Host = Host,
+                PayloadConfig = new PayloadConfig
+                {
+                    SimpleParams = new SimpleProtoParams
+                    {
+                        RespSize = 100
+                    }
+                }
+            };
+            serverRunner = ServerRunners.CreateStarted(serverConfig);
+        }
+
+        [TestFixtureTearDown]
+        public void Cleanup()
+        {
+            serverRunner.StopAsync().Wait();
+        }
+
+        // Test attribute commented out to prevent running as part of the default test suite.
+        //[Test]
+        //[Category("Performance")]
+        public async Task ClientServerRunner()
+        {
+            var config = new ClientConfig
+            {
+                ServerTargets = { string.Format("{0}:{1}", Host, serverRunner.BoundPort) },
+                RpcType = RpcType.UNARY,
+                LoadParams = new LoadParams { ClosedLoop = new ClosedLoopParams() },
+                PayloadConfig = new PayloadConfig
+                {
+                    SimpleParams = new SimpleProtoParams
+                    {
+                        ReqSize = 100
+                    }
+                },
+                HistogramParams = new HistogramParams
+                {
+                    Resolution = 0.01,
+                    MaxPossible = 60e9
+                }
+            };
+
+            var runner = ClientRunners.CreateStarted(config);
+
+            System.Console.WriteLine("Warming up");
+            await Task.Delay(3000);
+            runner.GetStats(true);  // throw away warm-up data
+
+            System.Console.WriteLine("Benchmarking");
+            await Task.Delay(3000);
+            var stats = runner.GetStats(true);
+            await runner.StopAsync();
+
+            System.Console.WriteLine(stats);
+            System.Console.WriteLine("avg micros/call " + (long) (stats.Latencies.Sum / stats.Latencies.Count / 1000.0));
+        }
+    }
+}

src/csharp/Grpc.IntegrationTesting/ServerRunners.cs

@@ -0,0 +1,124 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Helper methods to start server runners for performance testing.
+    /// </summary>
+    public static class ServerRunners
+    {
+        /// <summary>
+        /// Creates a started server runner.
+        /// </summary>
+        public static IServerRunner CreateStarted(ServerConfig config)
+        {
+            Grpc.Core.Utils.Preconditions.CheckArgument(config.ServerType == ServerType.ASYNC_SERVER);
+            var credentials = config.SecurityParams != null ? TestCredentials.CreateSslServerCredentials() : ServerCredentials.Insecure;
+
+            // TODO: qps_driver needs to setup payload properly...
+            int responseSize = config.PayloadConfig != null ? config.PayloadConfig.SimpleParams.RespSize : 0;
+            var server = new Server
+            {
+                Services = { BenchmarkService.BindService(new BenchmarkServiceImpl(responseSize)) },
+                Ports = { new ServerPort(config.Host, config.Port, credentials) }
+            };
+
+            server.Start();
+            return new ServerRunnerImpl(server);
+        }
+    }
+
+    /// <summary>
+    /// Server runner.
+    /// </summary>
+    public class ServerRunnerImpl : IServerRunner
+    {
+        readonly Server server;
+        readonly WallClockStopwatch wallClockStopwatch = new WallClockStopwatch();
+
+        public ServerRunnerImpl(Server server)
+        {
+            this.server = Grpc.Core.Utils.Preconditions.CheckNotNull(server);
+        }
+
+        public int BoundPort
+        {
+            get
+            {
+                return server.Ports.Single().BoundPort;
+            }
+        }
+
+        /// <summary>
+        /// Gets server stats.
+        /// </summary>
+        /// <returns>The stats.</returns>
+        public ServerStats GetStats(bool reset)
+        {
+            var secondsElapsed = wallClockStopwatch.GetElapsedSnapshot(reset).TotalSeconds;
+
+            // TODO: populate user time and system time
+            return new ServerStats
+            {
+                TimeElapsed = secondsElapsed,
+                TimeUser = 0,
+                TimeSystem = 0
+            };
+        }
+
+        /// <summary>
+        /// Asynchronously stops the server.
+        /// </summary>
+        /// <returns>Task that finishes when server has shutdown.</returns>
+        public Task StopAsync()
+        {
+            return server.ShutdownAsync();
+        }
+    }
+        
+}

src/csharp/Grpc.IntegrationTesting/Services.cs

@@ -0,0 +1,44 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: test/proto/benchmarks/services.proto
+#pragma warning disable 1591, 0612, 3021
+#region Designer generated code
+
+using pb = global::Google.Protobuf;
+using pbc = global::Google.Protobuf.Collections;
+using pbr = global::Google.Protobuf.Reflection;
+using scg = global::System.Collections.Generic;
+namespace Grpc.Testing {
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public static partial class Services {
+
+    #region Descriptor
+    public static pbr::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbr::FileDescriptor descriptor;
+
+    static Services() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          string.Concat(
+            "CiR0ZXN0L3Byb3RvL2JlbmNobWFya3Mvc2VydmljZXMucHJvdG8SDGdycGMu", 
+            "dGVzdGluZxoZdGVzdC9wcm90by9tZXNzYWdlcy5wcm90bxojdGVzdC9wcm90", 
+            "by9iZW5jaG1hcmtzL2NvbnRyb2wucHJvdG8yqgEKEEJlbmNobWFya1NlcnZp", 
+            "Y2USRgoJVW5hcnlDYWxsEhsuZ3JwYy50ZXN0aW5nLlNpbXBsZVJlcXVlc3Qa", 
+            "HC5ncnBjLnRlc3RpbmcuU2ltcGxlUmVzcG9uc2USTgoNU3RyZWFtaW5nQ2Fs", 
+            "bBIbLmdycGMudGVzdGluZy5TaW1wbGVSZXF1ZXN0GhwuZ3JwYy50ZXN0aW5n", 
+            "LlNpbXBsZVJlc3BvbnNlKAEwATKdAQoNV29ya2VyU2VydmljZRJFCglSdW5T", 
+            "ZXJ2ZXISGC5ncnBjLnRlc3RpbmcuU2VydmVyQXJncxoaLmdycGMudGVzdGlu", 
+            "Zy5TZXJ2ZXJTdGF0dXMoATABEkUKCVJ1bkNsaWVudBIYLmdycGMudGVzdGlu", 
+            "Zy5DbGllbnRBcmdzGhouZ3JwYy50ZXN0aW5nLkNsaWVudFN0YXR1cygBMAFi", 
+            "BnByb3RvMw=="));
+      descriptor = pbr::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+          new pbr::FileDescriptor[] { global::Grpc.Testing.Messages.Descriptor, global::Grpc.Testing.Control.Descriptor, },
+          new pbr::GeneratedCodeInfo(null, null));
+    }
+    #endregion
+
+  }
+}
+
+#endregion Designer generated code

src/csharp/Grpc.IntegrationTesting/ServicesGrpc.cs

@@ -0,0 +1,198 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: test/proto/benchmarks/services.proto
+#region Designer generated code
+
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Grpc.Core;
+
+namespace Grpc.Testing {
+  public static class BenchmarkService
+  {
+    static readonly string __ServiceName = "grpc.testing.BenchmarkService";
+
+    static readonly Marshaller<global::Grpc.Testing.SimpleRequest> __Marshaller_SimpleRequest = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.SimpleRequest.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Testing.SimpleResponse> __Marshaller_SimpleResponse = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.SimpleResponse.Parser.ParseFrom);
+
+    static readonly Method<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> __Method_UnaryCall = new Method<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse>(
+        MethodType.Unary,
+        __ServiceName,
+        "UnaryCall",
+        __Marshaller_SimpleRequest,
+        __Marshaller_SimpleResponse);
+
+    static readonly Method<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> __Method_StreamingCall = new Method<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse>(
+        MethodType.DuplexStreaming,
+        __ServiceName,
+        "StreamingCall",
+        __Marshaller_SimpleRequest,
+        __Marshaller_SimpleResponse);
+
+    // service descriptor
+    public static global::Google.Protobuf.Reflection.ServiceDescriptor Descriptor
+    {
+      get { return global::Grpc.Testing.Services.Descriptor.Services[0]; }
+    }
+
+    // client interface
+    public interface IBenchmarkServiceClient
+    {
+      global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options);
+      AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options);
+      AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(CallOptions options);
+    }
+
+    // server-side interface
+    public interface IBenchmarkService
+    {
+      Task<global::Grpc.Testing.SimpleResponse> UnaryCall(global::Grpc.Testing.SimpleRequest request, ServerCallContext context);
+      Task StreamingCall(IAsyncStreamReader<global::Grpc.Testing.SimpleRequest> requestStream, IServerStreamWriter<global::Grpc.Testing.SimpleResponse> responseStream, ServerCallContext context);
+    }
+
+    // client stub
+    public class BenchmarkServiceClient : ClientBase, IBenchmarkServiceClient
+    {
+      public BenchmarkServiceClient(Channel channel) : base(channel)
+      {
+      }
+      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
+        return Calls.BlockingUnaryCall(call, request);
+      }
+      public global::Grpc.Testing.SimpleResponse UnaryCall(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      {
+        var call = CreateCall(__Method_UnaryCall, options);
+        return Calls.BlockingUnaryCall(call, request);
+      }
+      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        var call = CreateCall(__Method_UnaryCall, new CallOptions(headers, deadline, cancellationToken));
+        return Calls.AsyncUnaryCall(call, request);
+      }
+      public AsyncUnaryCall<global::Grpc.Testing.SimpleResponse> UnaryCallAsync(global::Grpc.Testing.SimpleRequest request, CallOptions options)
+      {
+        var call = CreateCall(__Method_UnaryCall, options);
+        return Calls.AsyncUnaryCall(call, request);
+      }
+      public AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        var call = CreateCall(__Method_StreamingCall, new CallOptions(headers, deadline, cancellationToken));
+        return Calls.AsyncDuplexStreamingCall(call);
+      }
+      public AsyncDuplexStreamingCall<global::Grpc.Testing.SimpleRequest, global::Grpc.Testing.SimpleResponse> StreamingCall(CallOptions options)
+      {
+        var call = CreateCall(__Method_StreamingCall, options);
+        return Calls.AsyncDuplexStreamingCall(call);
+      }
+    }
+
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(IBenchmarkService serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_UnaryCall, serviceImpl.UnaryCall)
+          .AddMethod(__Method_StreamingCall, serviceImpl.StreamingCall).Build();
+    }
+
+    // creates a new client
+    public static BenchmarkServiceClient NewClient(Channel channel)
+    {
+      return new BenchmarkServiceClient(channel);
+    }
+
+  }
+  public static class WorkerService
+  {
+    static readonly string __ServiceName = "grpc.testing.WorkerService";
+
+    static readonly Marshaller<global::Grpc.Testing.ServerArgs> __Marshaller_ServerArgs = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.ServerArgs.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Testing.ServerStatus> __Marshaller_ServerStatus = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.ServerStatus.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Testing.ClientArgs> __Marshaller_ClientArgs = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.ClientArgs.Parser.ParseFrom);
+    static readonly Marshaller<global::Grpc.Testing.ClientStatus> __Marshaller_ClientStatus = Marshallers.Create((arg) => global::Google.Protobuf.MessageExtensions.ToByteArray(arg), global::Grpc.Testing.ClientStatus.Parser.ParseFrom);
+
+    static readonly Method<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> __Method_RunServer = new Method<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus>(
+        MethodType.DuplexStreaming,
+        __ServiceName,
+        "RunServer",
+        __Marshaller_ServerArgs,
+        __Marshaller_ServerStatus);
+
+    static readonly Method<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> __Method_RunClient = new Method<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus>(
+        MethodType.DuplexStreaming,
+        __ServiceName,
+        "RunClient",
+        __Marshaller_ClientArgs,
+        __Marshaller_ClientStatus);
+
+    // service descriptor
+    public static global::Google.Protobuf.Reflection.ServiceDescriptor Descriptor
+    {
+      get { return global::Grpc.Testing.Services.Descriptor.Services[1]; }
+    }
+
+    // client interface
+    public interface IWorkerServiceClient
+    {
+      AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(CallOptions options);
+      AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken));
+      AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(CallOptions options);
+    }
+
+    // server-side interface
+    public interface IWorkerService
+    {
+      Task RunServer(IAsyncStreamReader<global::Grpc.Testing.ServerArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ServerStatus> responseStream, ServerCallContext context);
+      Task RunClient(IAsyncStreamReader<global::Grpc.Testing.ClientArgs> requestStream, IServerStreamWriter<global::Grpc.Testing.ClientStatus> responseStream, ServerCallContext context);
+    }
+
+    // client stub
+    public class WorkerServiceClient : ClientBase, IWorkerServiceClient
+    {
+      public WorkerServiceClient(Channel channel) : base(channel)
+      {
+      }
+      public AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        var call = CreateCall(__Method_RunServer, new CallOptions(headers, deadline, cancellationToken));
+        return Calls.AsyncDuplexStreamingCall(call);
+      }
+      public AsyncDuplexStreamingCall<global::Grpc.Testing.ServerArgs, global::Grpc.Testing.ServerStatus> RunServer(CallOptions options)
+      {
+        var call = CreateCall(__Method_RunServer, options);
+        return Calls.AsyncDuplexStreamingCall(call);
+      }
+      public AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(Metadata headers = null, DateTime? deadline = null, CancellationToken cancellationToken = default(CancellationToken))
+      {
+        var call = CreateCall(__Method_RunClient, new CallOptions(headers, deadline, cancellationToken));
+        return Calls.AsyncDuplexStreamingCall(call);
+      }
+      public AsyncDuplexStreamingCall<global::Grpc.Testing.ClientArgs, global::Grpc.Testing.ClientStatus> RunClient(CallOptions options)
+      {
+        var call = CreateCall(__Method_RunClient, options);
+        return Calls.AsyncDuplexStreamingCall(call);
+      }
+    }
+
+    // creates service definition that can be registered with a server
+    public static ServerServiceDefinition BindService(IWorkerService serviceImpl)
+    {
+      return ServerServiceDefinition.CreateBuilder(__ServiceName)
+          .AddMethod(__Method_RunServer, serviceImpl.RunServer)
+          .AddMethod(__Method_RunClient, serviceImpl.RunClient).Build();
+    }
+
+    // creates a new client
+    public static WorkerServiceClient NewClient(Channel channel)
+    {
+      return new WorkerServiceClient(channel);
+    }
+
+  }
+}
+#endregion

src/csharp/Grpc.IntegrationTesting/Settings.StyleCop

@@ -1,7 +1,10 @@
 <StyleCopSettings Version="105">
   <SourceFileList>
-    <SourceFile>Messages.cs</SourceFile>
     <SourceFile>Empty.cs</SourceFile>
+    <SourceFile>Control.cs</SourceFile>
+    <SourceFile>Messages.cs</SourceFile>
+    <SourceFile>Payloads.cs</SourceFile>
+    <SourceFile>Stats.cs</SourceFile>
     <Settings>
     <GlobalSettings>
       <BooleanProperty Name="RulesEnabledByDefault">False</BooleanProperty>

src/csharp/Grpc.IntegrationTesting/Stats.cs

@@ -0,0 +1,744 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: test/proto/benchmarks/stats.proto
+#pragma warning disable 1591, 0612, 3021
+#region Designer generated code
+
+using pb = global::Google.Protobuf;
+using pbc = global::Google.Protobuf.Collections;
+using pbr = global::Google.Protobuf.Reflection;
+using scg = global::System.Collections.Generic;
+namespace Grpc.Testing {
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public static partial class Stats {
+
+    #region Descriptor
+    public static pbr::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static pbr::FileDescriptor descriptor;
+
+    static Stats() {
+      byte[] descriptorData = global::System.Convert.FromBase64String(
+          string.Concat(
+            "CiF0ZXN0L3Byb3RvL2JlbmNobWFya3Mvc3RhdHMucHJvdG8SDGdycGMudGVz", 
+            "dGluZyJLCgtTZXJ2ZXJTdGF0cxIUCgx0aW1lX2VsYXBzZWQYASABKAESEQoJ", 
+            "dGltZV91c2VyGAIgASgBEhMKC3RpbWVfc3lzdGVtGAMgASgBIjsKD0hpc3Rv", 
+            "Z3JhbVBhcmFtcxISCgpyZXNvbHV0aW9uGAEgASgBEhQKDG1heF9wb3NzaWJs", 
+            "ZRgCIAEoASJ3Cg1IaXN0b2dyYW1EYXRhEg4KBmJ1Y2tldBgBIAMoDRIQCght", 
+            "aW5fc2VlbhgCIAEoARIQCghtYXhfc2VlbhgDIAEoARILCgNzdW0YBCABKAES", 
+            "FgoOc3VtX29mX3NxdWFyZXMYBSABKAESDQoFY291bnQYBiABKAEiewoLQ2xp", 
+            "ZW50U3RhdHMSLgoJbGF0ZW5jaWVzGAEgASgLMhsuZ3JwYy50ZXN0aW5nLkhp", 
+            "c3RvZ3JhbURhdGESFAoMdGltZV9lbGFwc2VkGAIgASgBEhEKCXRpbWVfdXNl", 
+            "chgDIAEoARITCgt0aW1lX3N5c3RlbRgEIAEoAWIGcHJvdG8z"));
+      descriptor = pbr::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,
+          new pbr::FileDescriptor[] { },
+          new pbr::GeneratedCodeInfo(null, new pbr::GeneratedCodeInfo[] {
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ServerStats), new[]{ "TimeElapsed", "TimeUser", "TimeSystem" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.HistogramParams), new[]{ "Resolution", "MaxPossible" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.HistogramData), new[]{ "Bucket", "MinSeen", "MaxSeen", "Sum", "SumOfSquares", "Count" }, null, null, null),
+            new pbr::GeneratedCodeInfo(typeof(global::Grpc.Testing.ClientStats), new[]{ "Latencies", "TimeElapsed", "TimeUser", "TimeSystem" }, null, null, null)
+          }));
+    }
+    #endregion
+
+  }
+  #region Messages
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class ServerStats : pb::IMessage<ServerStats> {
+    private static readonly pb::MessageParser<ServerStats> _parser = new pb::MessageParser<ServerStats>(() => new ServerStats());
+    public static pb::MessageParser<ServerStats> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.Stats.Descriptor.MessageTypes[0]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public ServerStats() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public ServerStats(ServerStats other) : this() {
+      timeElapsed_ = other.timeElapsed_;
+      timeUser_ = other.timeUser_;
+      timeSystem_ = other.timeSystem_;
+    }
+
+    public ServerStats Clone() {
+      return new ServerStats(this);
+    }
+
+    public const int TimeElapsedFieldNumber = 1;
+    private double timeElapsed_;
+    public double TimeElapsed {
+      get { return timeElapsed_; }
+      set {
+        timeElapsed_ = value;
+      }
+    }
+
+    public const int TimeUserFieldNumber = 2;
+    private double timeUser_;
+    public double TimeUser {
+      get { return timeUser_; }
+      set {
+        timeUser_ = value;
+      }
+    }
+
+    public const int TimeSystemFieldNumber = 3;
+    private double timeSystem_;
+    public double TimeSystem {
+      get { return timeSystem_; }
+      set {
+        timeSystem_ = value;
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as ServerStats);
+    }
+
+    public bool Equals(ServerStats other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (TimeElapsed != other.TimeElapsed) return false;
+      if (TimeUser != other.TimeUser) return false;
+      if (TimeSystem != other.TimeSystem) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (TimeElapsed != 0D) hash ^= TimeElapsed.GetHashCode();
+      if (TimeUser != 0D) hash ^= TimeUser.GetHashCode();
+      if (TimeSystem != 0D) hash ^= TimeSystem.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (TimeElapsed != 0D) {
+        output.WriteRawTag(9);
+        output.WriteDouble(TimeElapsed);
+      }
+      if (TimeUser != 0D) {
+        output.WriteRawTag(17);
+        output.WriteDouble(TimeUser);
+      }
+      if (TimeSystem != 0D) {
+        output.WriteRawTag(25);
+        output.WriteDouble(TimeSystem);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (TimeElapsed != 0D) {
+        size += 1 + 8;
+      }
+      if (TimeUser != 0D) {
+        size += 1 + 8;
+      }
+      if (TimeSystem != 0D) {
+        size += 1 + 8;
+      }
+      return size;
+    }
+
+    public void MergeFrom(ServerStats other) {
+      if (other == null) {
+        return;
+      }
+      if (other.TimeElapsed != 0D) {
+        TimeElapsed = other.TimeElapsed;
+      }
+      if (other.TimeUser != 0D) {
+        TimeUser = other.TimeUser;
+      }
+      if (other.TimeSystem != 0D) {
+        TimeSystem = other.TimeSystem;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 9: {
+            TimeElapsed = input.ReadDouble();
+            break;
+          }
+          case 17: {
+            TimeUser = input.ReadDouble();
+            break;
+          }
+          case 25: {
+            TimeSystem = input.ReadDouble();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class HistogramParams : pb::IMessage<HistogramParams> {
+    private static readonly pb::MessageParser<HistogramParams> _parser = new pb::MessageParser<HistogramParams>(() => new HistogramParams());
+    public static pb::MessageParser<HistogramParams> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.Stats.Descriptor.MessageTypes[1]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public HistogramParams() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public HistogramParams(HistogramParams other) : this() {
+      resolution_ = other.resolution_;
+      maxPossible_ = other.maxPossible_;
+    }
+
+    public HistogramParams Clone() {
+      return new HistogramParams(this);
+    }
+
+    public const int ResolutionFieldNumber = 1;
+    private double resolution_;
+    public double Resolution {
+      get { return resolution_; }
+      set {
+        resolution_ = value;
+      }
+    }
+
+    public const int MaxPossibleFieldNumber = 2;
+    private double maxPossible_;
+    public double MaxPossible {
+      get { return maxPossible_; }
+      set {
+        maxPossible_ = value;
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as HistogramParams);
+    }
+
+    public bool Equals(HistogramParams other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (Resolution != other.Resolution) return false;
+      if (MaxPossible != other.MaxPossible) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (Resolution != 0D) hash ^= Resolution.GetHashCode();
+      if (MaxPossible != 0D) hash ^= MaxPossible.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (Resolution != 0D) {
+        output.WriteRawTag(9);
+        output.WriteDouble(Resolution);
+      }
+      if (MaxPossible != 0D) {
+        output.WriteRawTag(17);
+        output.WriteDouble(MaxPossible);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (Resolution != 0D) {
+        size += 1 + 8;
+      }
+      if (MaxPossible != 0D) {
+        size += 1 + 8;
+      }
+      return size;
+    }
+
+    public void MergeFrom(HistogramParams other) {
+      if (other == null) {
+        return;
+      }
+      if (other.Resolution != 0D) {
+        Resolution = other.Resolution;
+      }
+      if (other.MaxPossible != 0D) {
+        MaxPossible = other.MaxPossible;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 9: {
+            Resolution = input.ReadDouble();
+            break;
+          }
+          case 17: {
+            MaxPossible = input.ReadDouble();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class HistogramData : pb::IMessage<HistogramData> {
+    private static readonly pb::MessageParser<HistogramData> _parser = new pb::MessageParser<HistogramData>(() => new HistogramData());
+    public static pb::MessageParser<HistogramData> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.Stats.Descriptor.MessageTypes[2]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public HistogramData() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public HistogramData(HistogramData other) : this() {
+      bucket_ = other.bucket_.Clone();
+      minSeen_ = other.minSeen_;
+      maxSeen_ = other.maxSeen_;
+      sum_ = other.sum_;
+      sumOfSquares_ = other.sumOfSquares_;
+      count_ = other.count_;
+    }
+
+    public HistogramData Clone() {
+      return new HistogramData(this);
+    }
+
+    public const int BucketFieldNumber = 1;
+    private static readonly pb::FieldCodec<uint> _repeated_bucket_codec
+        = pb::FieldCodec.ForUInt32(10);
+    private readonly pbc::RepeatedField<uint> bucket_ = new pbc::RepeatedField<uint>();
+    public pbc::RepeatedField<uint> Bucket {
+      get { return bucket_; }
+    }
+
+    public const int MinSeenFieldNumber = 2;
+    private double minSeen_;
+    public double MinSeen {
+      get { return minSeen_; }
+      set {
+        minSeen_ = value;
+      }
+    }
+
+    public const int MaxSeenFieldNumber = 3;
+    private double maxSeen_;
+    public double MaxSeen {
+      get { return maxSeen_; }
+      set {
+        maxSeen_ = value;
+      }
+    }
+
+    public const int SumFieldNumber = 4;
+    private double sum_;
+    public double Sum {
+      get { return sum_; }
+      set {
+        sum_ = value;
+      }
+    }
+
+    public const int SumOfSquaresFieldNumber = 5;
+    private double sumOfSquares_;
+    public double SumOfSquares {
+      get { return sumOfSquares_; }
+      set {
+        sumOfSquares_ = value;
+      }
+    }
+
+    public const int CountFieldNumber = 6;
+    private double count_;
+    public double Count {
+      get { return count_; }
+      set {
+        count_ = value;
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as HistogramData);
+    }
+
+    public bool Equals(HistogramData other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if(!bucket_.Equals(other.bucket_)) return false;
+      if (MinSeen != other.MinSeen) return false;
+      if (MaxSeen != other.MaxSeen) return false;
+      if (Sum != other.Sum) return false;
+      if (SumOfSquares != other.SumOfSquares) return false;
+      if (Count != other.Count) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      hash ^= bucket_.GetHashCode();
+      if (MinSeen != 0D) hash ^= MinSeen.GetHashCode();
+      if (MaxSeen != 0D) hash ^= MaxSeen.GetHashCode();
+      if (Sum != 0D) hash ^= Sum.GetHashCode();
+      if (SumOfSquares != 0D) hash ^= SumOfSquares.GetHashCode();
+      if (Count != 0D) hash ^= Count.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      bucket_.WriteTo(output, _repeated_bucket_codec);
+      if (MinSeen != 0D) {
+        output.WriteRawTag(17);
+        output.WriteDouble(MinSeen);
+      }
+      if (MaxSeen != 0D) {
+        output.WriteRawTag(25);
+        output.WriteDouble(MaxSeen);
+      }
+      if (Sum != 0D) {
+        output.WriteRawTag(33);
+        output.WriteDouble(Sum);
+      }
+      if (SumOfSquares != 0D) {
+        output.WriteRawTag(41);
+        output.WriteDouble(SumOfSquares);
+      }
+      if (Count != 0D) {
+        output.WriteRawTag(49);
+        output.WriteDouble(Count);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      size += bucket_.CalculateSize(_repeated_bucket_codec);
+      if (MinSeen != 0D) {
+        size += 1 + 8;
+      }
+      if (MaxSeen != 0D) {
+        size += 1 + 8;
+      }
+      if (Sum != 0D) {
+        size += 1 + 8;
+      }
+      if (SumOfSquares != 0D) {
+        size += 1 + 8;
+      }
+      if (Count != 0D) {
+        size += 1 + 8;
+      }
+      return size;
+    }
+
+    public void MergeFrom(HistogramData other) {
+      if (other == null) {
+        return;
+      }
+      bucket_.Add(other.bucket_);
+      if (other.MinSeen != 0D) {
+        MinSeen = other.MinSeen;
+      }
+      if (other.MaxSeen != 0D) {
+        MaxSeen = other.MaxSeen;
+      }
+      if (other.Sum != 0D) {
+        Sum = other.Sum;
+      }
+      if (other.SumOfSquares != 0D) {
+        SumOfSquares = other.SumOfSquares;
+      }
+      if (other.Count != 0D) {
+        Count = other.Count;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 10:
+          case 8: {
+            bucket_.AddEntriesFrom(input, _repeated_bucket_codec);
+            break;
+          }
+          case 17: {
+            MinSeen = input.ReadDouble();
+            break;
+          }
+          case 25: {
+            MaxSeen = input.ReadDouble();
+            break;
+          }
+          case 33: {
+            Sum = input.ReadDouble();
+            break;
+          }
+          case 41: {
+            SumOfSquares = input.ReadDouble();
+            break;
+          }
+          case 49: {
+            Count = input.ReadDouble();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+  public sealed partial class ClientStats : pb::IMessage<ClientStats> {
+    private static readonly pb::MessageParser<ClientStats> _parser = new pb::MessageParser<ClientStats>(() => new ClientStats());
+    public static pb::MessageParser<ClientStats> Parser { get { return _parser; } }
+
+    public static pbr::MessageDescriptor Descriptor {
+      get { return global::Grpc.Testing.Stats.Descriptor.MessageTypes[3]; }
+    }
+
+    pbr::MessageDescriptor pb::IMessage.Descriptor {
+      get { return Descriptor; }
+    }
+
+    public ClientStats() {
+      OnConstruction();
+    }
+
+    partial void OnConstruction();
+
+    public ClientStats(ClientStats other) : this() {
+      Latencies = other.latencies_ != null ? other.Latencies.Clone() : null;
+      timeElapsed_ = other.timeElapsed_;
+      timeUser_ = other.timeUser_;
+      timeSystem_ = other.timeSystem_;
+    }
+
+    public ClientStats Clone() {
+      return new ClientStats(this);
+    }
+
+    public const int LatenciesFieldNumber = 1;
+    private global::Grpc.Testing.HistogramData latencies_;
+    public global::Grpc.Testing.HistogramData Latencies {
+      get { return latencies_; }
+      set {
+        latencies_ = value;
+      }
+    }
+
+    public const int TimeElapsedFieldNumber = 2;
+    private double timeElapsed_;
+    public double TimeElapsed {
+      get { return timeElapsed_; }
+      set {
+        timeElapsed_ = value;
+      }
+    }
+
+    public const int TimeUserFieldNumber = 3;
+    private double timeUser_;
+    public double TimeUser {
+      get { return timeUser_; }
+      set {
+        timeUser_ = value;
+      }
+    }
+
+    public const int TimeSystemFieldNumber = 4;
+    private double timeSystem_;
+    public double TimeSystem {
+      get { return timeSystem_; }
+      set {
+        timeSystem_ = value;
+      }
+    }
+
+    public override bool Equals(object other) {
+      return Equals(other as ClientStats);
+    }
+
+    public bool Equals(ClientStats other) {
+      if (ReferenceEquals(other, null)) {
+        return false;
+      }
+      if (ReferenceEquals(other, this)) {
+        return true;
+      }
+      if (!object.Equals(Latencies, other.Latencies)) return false;
+      if (TimeElapsed != other.TimeElapsed) return false;
+      if (TimeUser != other.TimeUser) return false;
+      if (TimeSystem != other.TimeSystem) return false;
+      return true;
+    }
+
+    public override int GetHashCode() {
+      int hash = 1;
+      if (latencies_ != null) hash ^= Latencies.GetHashCode();
+      if (TimeElapsed != 0D) hash ^= TimeElapsed.GetHashCode();
+      if (TimeUser != 0D) hash ^= TimeUser.GetHashCode();
+      if (TimeSystem != 0D) hash ^= TimeSystem.GetHashCode();
+      return hash;
+    }
+
+    public override string ToString() {
+      return pb::JsonFormatter.Default.Format(this);
+    }
+
+    public void WriteTo(pb::CodedOutputStream output) {
+      if (latencies_ != null) {
+        output.WriteRawTag(10);
+        output.WriteMessage(Latencies);
+      }
+      if (TimeElapsed != 0D) {
+        output.WriteRawTag(17);
+        output.WriteDouble(TimeElapsed);
+      }
+      if (TimeUser != 0D) {
+        output.WriteRawTag(25);
+        output.WriteDouble(TimeUser);
+      }
+      if (TimeSystem != 0D) {
+        output.WriteRawTag(33);
+        output.WriteDouble(TimeSystem);
+      }
+    }
+
+    public int CalculateSize() {
+      int size = 0;
+      if (latencies_ != null) {
+        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Latencies);
+      }
+      if (TimeElapsed != 0D) {
+        size += 1 + 8;
+      }
+      if (TimeUser != 0D) {
+        size += 1 + 8;
+      }
+      if (TimeSystem != 0D) {
+        size += 1 + 8;
+      }
+      return size;
+    }
+
+    public void MergeFrom(ClientStats other) {
+      if (other == null) {
+        return;
+      }
+      if (other.latencies_ != null) {
+        if (latencies_ == null) {
+          latencies_ = new global::Grpc.Testing.HistogramData();
+        }
+        Latencies.MergeFrom(other.Latencies);
+      }
+      if (other.TimeElapsed != 0D) {
+        TimeElapsed = other.TimeElapsed;
+      }
+      if (other.TimeUser != 0D) {
+        TimeUser = other.TimeUser;
+      }
+      if (other.TimeSystem != 0D) {
+        TimeSystem = other.TimeSystem;
+      }
+    }
+
+    public void MergeFrom(pb::CodedInputStream input) {
+      uint tag;
+      while ((tag = input.ReadTag()) != 0) {
+        switch(tag) {
+          default:
+            input.SkipLastField();
+            break;
+          case 10: {
+            if (latencies_ == null) {
+              latencies_ = new global::Grpc.Testing.HistogramData();
+            }
+            input.ReadMessage(latencies_);
+            break;
+          }
+          case 17: {
+            TimeElapsed = input.ReadDouble();
+            break;
+          }
+          case 25: {
+            TimeUser = input.ReadDouble();
+            break;
+          }
+          case 33: {
+            TimeSystem = input.ReadDouble();
+            break;
+          }
+        }
+      }
+    }
+
+  }
+
+  #endregion
+
+}
+
+#endregion Designer generated code

src/csharp/Grpc.IntegrationTesting/WallClockStopwatch.cs

@@ -0,0 +1,78 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+using Grpc.Testing;
+
+namespace Grpc.IntegrationTesting
+{
+    /// <summary>
+    /// Snapshottable wall clock stopwatch.
+    /// </summary>
+    public class WallClockStopwatch
+    {
+        long startTicks;
+
+        public WallClockStopwatch()
+        {
+            this.startTicks = DateTime.UtcNow.Ticks;
+        }
+
+        public TimeSpan GetElapsedSnapshot(bool reset)
+        {
+            var utcNow = DateTime.UtcNow;
+
+            long oldStartTicks;
+            if (reset)
+            {
+                oldStartTicks = Interlocked.Exchange(ref this.startTicks, utcNow.Ticks);
+            }
+            else
+            {
+                oldStartTicks = this.startTicks;
+            }
+            return utcNow - new DateTime(oldStartTicks, DateTimeKind.Utc);
+        }
+    }
+}

src/csharp/Grpc.IntegrationTesting/WorkerServiceImpl.cs

@@ -0,0 +1,96 @@
+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Google.Protobuf;
+using Grpc.Core;
+using Grpc.Core.Utils;
+using Grpc.IntegrationTesting;
+
+namespace Grpc.Testing
+{
+    /// <summary>
+    /// Implementation of WorkerService server
+    /// </summary>
+    public class WorkerServiceImpl : WorkerService.IWorkerService
+    {
+        public async Task RunServer(IAsyncStreamReader<ServerArgs> requestStream, IServerStreamWriter<ServerStatus> responseStream, ServerCallContext context)
+        {
+            Grpc.Core.Utils.Preconditions.CheckState(await requestStream.MoveNext());
+            var serverConfig = requestStream.Current.Setup;
+            var runner = ServerRunners.CreateStarted(serverConfig);
+
+            await responseStream.WriteAsync(new ServerStatus
+            {
+                Stats = runner.GetStats(false),
+                Port = runner.BoundPort,
+                Cores = 0,  // TODO: set number of cores
+            });
+                
+            while (await requestStream.MoveNext())
+            {
+                var reset = requestStream.Current.Mark.Reset;
+                await responseStream.WriteAsync(new ServerStatus
+                {
+                    Stats = runner.GetStats(reset)
+                });
+            }
+            await runner.StopAsync();
+        }
+
+        public async Task RunClient(IAsyncStreamReader<ClientArgs> requestStream, IServerStreamWriter<ClientStatus> responseStream, ServerCallContext context)
+        {
+            Grpc.Core.Utils.Preconditions.CheckState(await requestStream.MoveNext());
+            var clientConfig = requestStream.Current.Setup;
+            var runner = ClientRunners.CreateStarted(clientConfig);
+
+            await responseStream.WriteAsync(new ClientStatus
+            {
+                Stats = runner.GetStats(false)
+            });
+
+            while (await requestStream.MoveNext())
+            {
+                var reset = requestStream.Current.Mark.Reset;
+                await responseStream.WriteAsync(new ClientStatus
+                {
+                    Stats = runner.GetStats(reset)
+                });
+            }
+            await runner.StopAsync();
+        }
+    }
+}

src/csharp/Grpc.sln

@@ -1,6 +1,6 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2013
+# Visual Studio 2012
 VisualStudioVersion = 12.0.31101.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Grpc.Examples", "Grpc.Examples\Grpc.Examples.csproj", "{7DC1433E-3225-42C7-B7EA-546D56E27A4B}"
@@ -32,6 +32,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Grpc.HealthCheck", "Grpc.He
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Grpc.HealthCheck.Tests", "Grpc.HealthCheck.Tests\Grpc.HealthCheck.Tests.csproj", "{F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Grpc.IntegrationTesting.QpsWorker", "Grpc.IntegrationTesting.QpsWorker\Grpc.IntegrationTesting.QpsWorker.csproj", "{B82B7DFE-7F7B-40EF-B3D6-064FF2B01294}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -39,72 +41,78 @@ Global
 		ReleaseSigned|Any CPU = ReleaseSigned|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Release|Any CPU.Build.0 = Release|Any CPU
-		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
-		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
-		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Release|Any CPU.Build.0 = Release|Any CPU
-		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
-		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
-		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.Release|Any CPU.Build.0 = Release|Any CPU
-		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
-		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
 		{143B1C29-C442-4BE0-BF3F-A8F92288AC9F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{143B1C29-C442-4BE0-BF3F-A8F92288AC9F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{143B1C29-C442-4BE0-BF3F-A8F92288AC9F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{143B1C29-C442-4BE0-BF3F-A8F92288AC9F}.Release|Any CPU.Build.0 = Release|Any CPU
 		{143B1C29-C442-4BE0-BF3F-A8F92288AC9F}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
 		{143B1C29-C442-4BE0-BF3F-A8F92288AC9F}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
-		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.Release|Any CPU.Build.0 = Release|Any CPU
-		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
-		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
-		{C61154BA-DD4A-4838-8420-0162A28925E0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{C61154BA-DD4A-4838-8420-0162A28925E0}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{C61154BA-DD4A-4838-8420-0162A28925E0}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{C61154BA-DD4A-4838-8420-0162A28925E0}.Release|Any CPU.Build.0 = Release|Any CPU
-		{C61154BA-DD4A-4838-8420-0162A28925E0}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
-		{C61154BA-DD4A-4838-8420-0162A28925E0}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
 		{3D166931-BA2D-416E-95A3-D36E8F6E90B9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{3D166931-BA2D-416E-95A3-D36E8F6E90B9}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3D166931-BA2D-416E-95A3-D36E8F6E90B9}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3D166931-BA2D-416E-95A3-D36E8F6E90B9}.Release|Any CPU.Build.0 = Release|Any CPU
 		{3D166931-BA2D-416E-95A3-D36E8F6E90B9}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
 		{3D166931-BA2D-416E-95A3-D36E8F6E90B9}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
+		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
+		{61ECB8EE-0C96-4F8E-B187-8E4D227417C0}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
+		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
+		{7DC1433E-3225-42C7-B7EA-546D56E27A4B}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
+		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
+		{86EC5CB4-4EA2-40A2-8057-86542A0353BB}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
 		{A654F3B8-E859-4E6A-B30D-227527DBEF0D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{A654F3B8-E859-4E6A-B30D-227527DBEF0D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A654F3B8-E859-4E6A-B30D-227527DBEF0D}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A654F3B8-E859-4E6A-B30D-227527DBEF0D}.Release|Any CPU.Build.0 = Release|Any CPU
 		{A654F3B8-E859-4E6A-B30D-227527DBEF0D}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
 		{A654F3B8-E859-4E6A-B30D-227527DBEF0D}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
-		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.Release|Any CPU.Build.0 = Release|Any CPU
-		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
-		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
-		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Release|Any CPU.Build.0 = Release|Any CPU
-		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
-		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
 		{AA5E328A-8835-49D7-98ED-C29F2B3049F0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{AA5E328A-8835-49D7-98ED-C29F2B3049F0}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{AA5E328A-8835-49D7-98ED-C29F2B3049F0}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{AA5E328A-8835-49D7-98ED-C29F2B3049F0}.Release|Any CPU.Build.0 = Release|Any CPU
 		{AA5E328A-8835-49D7-98ED-C29F2B3049F0}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
 		{AA5E328A-8835-49D7-98ED-C29F2B3049F0}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
+		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
+		{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
+		{B82B7DFE-7F7B-40EF-B3D6-064FF2B01294}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B82B7DFE-7F7B-40EF-B3D6-064FF2B01294}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B82B7DFE-7F7B-40EF-B3D6-064FF2B01294}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B82B7DFE-7F7B-40EF-B3D6-064FF2B01294}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B82B7DFE-7F7B-40EF-B3D6-064FF2B01294}.ReleaseSigned|Any CPU.ActiveCfg = Release|Any CPU
+		{B82B7DFE-7F7B-40EF-B3D6-064FF2B01294}.ReleaseSigned|Any CPU.Build.0 = Release|Any CPU
+		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
+		{BF62FE08-373A-43D6-9D73-41CAA38B7011}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
+		{C61154BA-DD4A-4838-8420-0162A28925E0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C61154BA-DD4A-4838-8420-0162A28925E0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C61154BA-DD4A-4838-8420-0162A28925E0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C61154BA-DD4A-4838-8420-0162A28925E0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C61154BA-DD4A-4838-8420-0162A28925E0}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
+		{C61154BA-DD4A-4838-8420-0162A28925E0}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
+		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
+		{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
 		{F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -112,6 +120,8 @@ Global
 		{F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}.ReleaseSigned|Any CPU.ActiveCfg = ReleaseSigned|Any CPU
 		{F8C6D937-C44B-4EE3-A431-B0FBAEACE47D}.ReleaseSigned|Any CPU.Build.0 = ReleaseSigned|Any CPU
 	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection

src/csharp/generate_proto_csharp.sh

@@ -35,14 +35,14 @@ cd $(dirname $0)
 PROTOC=../../bins/opt/protobuf/protoc
 PLUGIN=protoc-gen-grpc=../../bins/opt/grpc_csharp_plugin
 EXAMPLES_DIR=Grpc.Examples
-INTEROP_DIR=Grpc.IntegrationTesting
+TESTING_DIR=Grpc.IntegrationTesting
 HEALTHCHECK_DIR=Grpc.HealthCheck
 
 $PROTOC --plugin=$PLUGIN --csharp_out=$EXAMPLES_DIR --grpc_out=$EXAMPLES_DIR \
     -I $EXAMPLES_DIR/proto $EXAMPLES_DIR/proto/math.proto
 
-$PROTOC --plugin=$PLUGIN --csharp_out=$INTEROP_DIR --grpc_out=$INTEROP_DIR \
+$PROTOC --plugin=$PLUGIN --csharp_out=$TESTING_DIR --grpc_out=$TESTING_DIR \
-    -I ../.. ../../test/proto/*.proto
+    -I ../.. ../../test/proto/*.proto ../../test/proto/benchmarks/*.proto
 
 $PROTOC --plugin=$PLUGIN --csharp_out=$HEALTHCHECK_DIR --grpc_out=$HEALTHCHECK_DIR \
     -I $HEALTHCHECK_DIR/proto $HEALTHCHECK_DIR/proto/health.proto

test/core/end2end/fixtures/proxy.c

@@ -146,7 +146,6 @@ void grpc_end2end_proxy_destroy(grpc_end2end_proxy *proxy) {
 }
 
 static void unrefpc(proxy_call *pc, const char *reason) {
-  gpr_log(GPR_DEBUG, "PROXY UNREF %s", reason);
   if (gpr_unref(&pc->refs)) {
     grpc_call_destroy(pc->c2p);
     grpc_call_destroy(pc->p2s);
@@ -158,10 +157,7 @@ static void unrefpc(proxy_call *pc, const char *reason) {
   }
 }
 
-static void refpc(proxy_call *pc, const char *reason) {
+static void refpc(proxy_call *pc, const char *reason) { gpr_ref(&pc->refs); }
-  gpr_log(GPR_DEBUG, "PROXY   REF %s", reason);
-  gpr_ref(&pc->refs);
-}
 
 static void on_c2p_sent_initial_metadata(void *arg, int success) {
   proxy_call *pc = arg;

test/core/end2end/gen_build_yaml.py

@@ -37,8 +37,8 @@ import collections
 import hashlib
 
 
-FixtureOptions = collections.namedtuple('FixtureOptions', 'fullstack includes_proxy dns_resolver secure platforms ci_mac')
+FixtureOptions = collections.namedtuple('FixtureOptions', 'fullstack includes_proxy dns_resolver secure platforms ci_mac tracing')
-default_unsecure_fixture_options = FixtureOptions(True, False, True, False, ['windows', 'linux', 'mac', 'posix'], True)
+default_unsecure_fixture_options = FixtureOptions(True, False, True, False, ['windows', 'linux', 'mac', 'posix'], True, False)
 socketpair_unsecure_fixture_options = default_unsecure_fixture_options._replace(fullstack=False, dns_resolver=False)
 default_secure_fixture_options = default_unsecure_fixture_options._replace(secure=True)
 uds_fixture_options = default_unsecure_fixture_options._replace(dns_resolver=False, platforms=['linux', 'mac', 'posix'])
@@ -54,7 +54,7 @@ END2END_FIXTURES = {
     'h2_proxy': default_unsecure_fixture_options._replace(includes_proxy=True, ci_mac=False),
     'h2_sockpair_1byte': socketpair_unsecure_fixture_options._replace(ci_mac=False),
     'h2_sockpair': socketpair_unsecure_fixture_options._replace(ci_mac=False),
-    'h2_sockpair+trace': socketpair_unsecure_fixture_options,
+    'h2_sockpair+trace': socketpair_unsecure_fixture_options._replace(tracing=True),
     'h2_ssl': default_secure_fixture_options,
     'h2_ssl+poll': default_secure_fixture_options._replace(platforms=['linux']),
     'h2_ssl_proxy': default_secure_fixture_options._replace(includes_proxy=True, ci_mac=False),
@@ -63,8 +63,8 @@ END2END_FIXTURES = {
     'h2_uds': uds_fixture_options,
 }
 
-TestOptions = collections.namedtuple('TestOptions', 'needs_fullstack needs_dns proxyable flaky secure')
+TestOptions = collections.namedtuple('TestOptions', 'needs_fullstack needs_dns proxyable flaky secure traceable')
-default_test_options = TestOptions(False, False, True, False, False)
+default_test_options = TestOptions(False, False, True, False, False, True)
 connectivity_test_options = default_test_options._replace(needs_fullstack=True)
 
 # maps test names to options
@@ -85,6 +85,7 @@ END2END_TESTS = {
     'disappearing_server': connectivity_test_options,
     'empty_batch': default_test_options,
     'graceful_server_shutdown': default_test_options,
+    'hpack_size': default_test_options._replace(proxyable=False, traceable=False),
     'high_initial_seqno': default_test_options,
     'invoke_large_request': default_test_options,
     'large_metadata': default_test_options,
@@ -117,6 +118,9 @@ def compatible(f, t):
   if not END2END_TESTS[t].proxyable:
     if END2END_FIXTURES[f].includes_proxy:
       return False
+  if not END2END_TESTS[t].traceable:
+    if END2END_FIXTURES[f].tracing:
+      return False
   return True
 
 

test/core/end2end/tests/hpack_size.c

@@ -0,0 +1,446 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/support/string.h"
+#include "test/core/end2end/cq_verifier.h"
+
+static void *tag(gpr_intptr t) { return (void *)t; }
+
+const char *hobbits[][2] = {{"Adaldrida", "Brandybuck"},
+                            {"Adamanta", "Took"},
+                            {"Adalgrim", "Took"},
+                            {"Adelard", "Took"},
+                            {"Amaranth", "Brandybuck"},
+                            {"Andwise", "Roper"},
+                            {"Angelica", "Baggins"},
+                            {"Asphodel", "Burrows"},
+                            {"Balbo", "Baggins"},
+                            {"Bandobras", "Took"},
+                            {"Belba", "Bolger"},
+                            {"Bell", "Gamgee"},
+                            {"Belladonna", "Baggins"},
+                            {"Berylla", "Baggins"},
+                            {"Bilbo", "Baggins"},
+                            {"Bilbo", "Gardner"},
+                            {"Bill", "Butcher"},
+                            {"Bingo", "Baggins"},
+                            {"Bodo", "Proudfoot"},
+                            {"Bowman", "Cotton"},
+                            {"Bungo", "Baggins"},
+                            {"Camellia", "Sackville"},
+                            {"Carl", "Cotton"},
+                            {"Celandine", "Brandybuck"},
+                            {"Chica", "Baggins"},
+                            {"Daddy", "Twofoot"},
+                            {"Daisy", "Boffin"},
+                            {"Diamond", "Took"},
+                            {"Dinodas", "Brandybuck"},
+                            {"Doderic", "Brandybuck"},
+                            {"Dodinas", "Brandybuck"},
+                            {"Donnamira", "Boffin"},
+                            {"Dora", "Baggins"},
+                            {"Drogo", "Baggins"},
+                            {"Dudo", "Baggins"},
+                            {"Eglantine", "Took"},
+                            {"Elanor", "Fairbairn"},
+                            {"Elfstan", "Fairbairn"},
+                            {"Esmeralda", "Brandybuck"},
+                            {"Estella", "Brandybuck"},
+                            {"Everard", "Took"},
+                            {"Falco", "Chubb-Baggins"},
+                            {"Faramir", "Took"},
+                            {"Farmer", "Maggot"},
+                            {"Fastolph", "Bolger"},
+                            {"Ferdibrand", "Took"},
+                            {"Ferdinand", "Took"},
+                            {"Ferumbras", "Took"},
+                            {"Ferumbras", "Took"},
+                            {"Filibert", "Bolger"},
+                            {"Firiel", "Fairbairn"},
+                            {"Flambard", "Took"},
+                            {"Folco", "Boffin"},
+                            {"Fortinbras", "Took"},
+                            {"Fortinbras", "Took"},
+                            {"Fosco", "Baggins"},
+                            {"Fredegar", "Bolger"},
+                            {"Frodo", "Baggins"},
+                            {"Frodo", "Gardner"},
+                            {"Gerontius", "Took"},
+                            {"Gilly", "Baggins"},
+                            {"Goldilocks", "Took"},
+                            {"Gorbadoc", "Brandybuck"},
+                            {"Gorbulas", "Brandybuck"},
+                            {"Gorhendad", "Brandybuck"},
+                            {"Gormadoc", "Brandybuck"},
+                            {"Griffo", "Boffin"},
+                            {"Halfast", "Gamgee"},
+                            {"Halfred", "Gamgee"},
+                            {"Halfred", "Greenhand"},
+                            {"Hanna", "Brandybuck"},
+                            {"Hamfast", "Gamgee"},
+                            {"Hamfast", "Gardner"},
+                            {"Hamson", "Gamgee"},
+                            {"Harding", "Gardner"},
+                            {"Hilda", "Brandybuck"},
+                            {"Hildibrand", "Took"},
+                            {"Hildifons", "Took"},
+                            {"Hildigard", "Took"},
+                            {"Hildigrim", "Took"},
+                            {"Hob", "Gammidge"},
+                            {"Hob", "Hayward"},
+                            {"Hobson", "Gamgee"},
+                            {"Holfast", "Gardner"},
+                            {"Holman", "Cotton"},
+                            {"Holman", "Greenhand"},
+                            {"Hugo", "Boffin"},
+                            {"Hugo", "Bracegirdle"},
+                            {"Ilberic", "Brandybuck"},
+                            {"Isembard", "Took"},
+                            {"Isembold", "Took"},
+                            {"Isengar", "Took"},
+                            {"Isengrim", "Took"},
+                            {"Isengrim", "Took"},
+                            {"Isumbras", "Took"},
+                            {"Isumbras", "Took"},
+                            {"Jolly", "Cotton"},
+                            {"Lalia", "Took"},
+                            {"Largo", "Baggins"},
+                            {"Laura", "Baggins"},
+                            {"Lily", "Goodbody"},
+                            {"Lily", "Cotton"},
+                            {"Linda", "Proudfoot"},
+                            {"Lobelia", "Sackville-Baggins"},
+                            {"Longo", "Baggins"},
+                            {"Lotho", "Sackville-Baggins"},
+                            {"Madoc", "Brandybuck"},
+                            {"Malva", "Brandybuck"},
+                            {"Marigold", "Cotton"},
+                            {"Marmadas", "Brandybuck"},
+                            {"Marmadoc", "Brandybuck"},
+                            {"Marroc", "Brandybuck"},
+                            {"May", "Gamgee"},
+                            {"Melilot", "Brandybuck"},
+                            {"Menegilda", "Brandybuck"},
+                            {"Mentha", "Brandybuck"},
+                            {"Meriadoc", "Brandybuck"},
+                            {"Merimac", "Brandybuck"},
+                            {"Merimas", "Brandybuck"},
+                            {"Merry", "Gardner"},
+                            {"Milo", "Burrows"},
+                            {"Mimosa", "Baggins"},
+                            {"Minto", "Burrows"},
+                            {"Mirabella", "Brandybuck"},
+                            {"Moro", "Burrows"},
+                            {"Mosco", "Burrows"},
+                            {"Mungo", "Baggins"},
+                            {"Myrtle", "Burrows"},
+                            {"Odo", "Proudfoot"},
+                            {"Odovacar", "Bolger"},
+                            {"Olo", "Proudfoot"},
+                            {"Orgulas", "Brandybuck"},
+                            {"Otho", "Sackville-Baggins"},
+                            {"Paladin", "Took"},
+                            {"Pansy", "Bolger"},
+                            {"Pearl", "Took"},
+                            {"Peony", "Burrows"},
+                            {"Peregrin", "Took"},
+                            {"Pervinca", "Took"},
+                            {"Pimpernel", "Took"},
+                            {"Pippin", "Gardner"},
+                            {"Polo", "Baggins"},
+                            {"Ponto", "Baggins"},
+                            {"Porto", "Baggins"},
+                            {"Posco", "Baggins"},
+                            {"Poppy", "Bolger"},
+                            {"Primrose", "Gardner"},
+                            {"Primula", "Baggins"},
+                            {"Prisca", "Bolger"},
+                            {"Reginard", "Took"},
+                            {"Robin", "Smallburrow"},
+                            {"Robin", "Gardner"},
+                            {"Rorimac", "Brandybuck"},
+                            {"Rosa", "Took"},
+                            {"Rosamunda", "Bolger"},
+                            {"Rose", "Gardner"},
+                            {"Ruby", "Baggins"},
+                            {"Ruby", "Gardner"},
+                            {"Rudigar", "Bolger"},
+                            {"Rufus", "Burrows"},
+                            {"Sadoc", "Brandybuck"},
+                            {"Salvia", "Bolger"},
+                            {"Samwise", "Gamgee"},
+                            {"Sancho", "Proudfoot"},
+                            {"Saradas", "Brandybuck"},
+                            {"Saradoc", "Brandybuck"},
+                            {"Seredic", "Brandybuck"},
+                            {"Sigismond", "Took"},
+                            {"Smeagol", "Gollum"},
+                            {"Tanta", "Baggins"},
+                            {"Ted", "Sandyman"},
+                            {"Tobold", "Hornblower"},
+                            {"Togo", "Goodbody"},
+                            {"Tolman", "Cotton"},
+                            {"Tolman", "Gardner"},
+                            {"Widow", "Rumble"},
+                            {"Wilcome", "Cotton"},
+                            {"Wilcome", "Cotton"},
+                            {"Wilibald", "Bolger"},
+                            {"Will", "Whitfoot"},
+                            {"Wiseman", "Gamwich"}};
+
+const char *dragons[] = {"Ancalagon", "Glaurung", "Scatha",
+                         "Smaug the Magnificent"};
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_client(&f, client_args);
+  config.init_server(&f, server_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+static void simple_request_body(grpc_end2end_test_fixture f, size_t index) {
+  grpc_call *c;
+  grpc_call *s;
+  gpr_timespec deadline = five_seconds_time();
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  grpc_call_error error;
+  grpc_metadata extra_metadata[3];
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+
+  memset(extra_metadata, 0, sizeof(extra_metadata));
+  extra_metadata[0].key = "hobbit-first-name";
+  extra_metadata[0].value = hobbits[index % GPR_ARRAY_SIZE(hobbits)][0];
+  extra_metadata[0].value_length = strlen(extra_metadata[0].value);
+  extra_metadata[1].key = "hobbit-second-name";
+  extra_metadata[1].value = hobbits[index % GPR_ARRAY_SIZE(hobbits)][1];
+  extra_metadata[1].value_length = strlen(extra_metadata[1].value);
+  extra_metadata[2].key = "dragon";
+  extra_metadata[2].value = dragons[index % GPR_ARRAY_SIZE(dragons)];
+  extra_metadata[2].value_length = strlen(extra_metadata[2].value);
+
+  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+                               "/foo", "foo.test.google.fr:1234", deadline,
+                               NULL);
+  GPR_ASSERT(c);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = GPR_ARRAY_SIZE(extra_metadata);
+  op->data.send_initial_metadata.metadata = extra_metadata;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  error =
+      grpc_server_request_call(f.server, &s, &call_details,
+                               &request_metadata_recv, f.cq, f.cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+  cq_expect_completion(cqv, tag(101), 1);
+  cq_verify(cqv);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
+  op->data.send_status_from_server.trailing_metadata_count = 0;
+  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status_details = "xyz";
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  cq_expect_completion(cqv, tag(102), 1);
+  cq_expect_completion(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(0 == strcmp(details, "xyz"));
+  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
+  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
+  GPR_ASSERT(was_cancelled == 1);
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
+  grpc_call_destroy(c);
+  grpc_call_destroy(s);
+
+  cq_verifier_destroy(cqv);
+}
+
+static void test_size(grpc_end2end_test_config config, int encode_size,
+                      int decode_size) {
+  size_t i;
+  grpc_end2end_test_fixture f;
+  grpc_arg server_arg;
+  grpc_channel_args server_args;
+  grpc_arg client_arg;
+  grpc_channel_args client_args;
+  char *name;
+
+  server_arg.type = GRPC_ARG_INTEGER;
+  server_arg.key = GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_DECODER;
+  server_arg.value.integer = decode_size;
+  server_args.num_args = 1;
+  server_args.args = &server_arg;
+
+  client_arg.type = GRPC_ARG_INTEGER;
+  client_arg.key = GRPC_ARG_HTTP2_HPACK_TABLE_SIZE_ENCODER;
+  client_arg.value.integer = encode_size;
+  client_args.num_args = 1;
+  client_args.args = &client_arg;
+
+  gpr_asprintf(&name, "test_size:e=%d:d=%d", encode_size, decode_size);
+  f = begin_test(config, name, encode_size != 4096 ? &client_args : NULL,
+                 decode_size != 4096 ? &server_args : NULL);
+  for (i = 0; i < 4 * GPR_ARRAY_SIZE(hobbits); i++) {
+    simple_request_body(f, i);
+  }
+  end_test(&f);
+  config.tear_down_data(&f);
+  gpr_free(name);
+}
+
+void grpc_end2end_tests(grpc_end2end_test_config config) {
+  static const int interesting_sizes[] = {4096, 0,     100,
+                                          1000, 32768, 4 * 1024 * 1024};
+  size_t i, j;
+
+  for (i = 0; i < GPR_ARRAY_SIZE(interesting_sizes); i++) {
+    for (j = 0; j < GPR_ARRAY_SIZE(interesting_sizes); j++) {
+      test_size(config, interesting_sizes[i], interesting_sizes[j]);
+    }
+  }
+}

test/core/transport/chttp2/hpack_parser_test.c

@@ -151,7 +151,8 @@ static void test_vectors(grpc_slice_split_mode mode) {
   grpc_chttp2_hpack_parser_destroy(&parser);
 
   grpc_chttp2_hpack_parser_init(&parser);
-  parser.table.max_bytes = 256;
+  grpc_chttp2_hptbl_set_max_bytes(&parser.table, 256);
+  grpc_chttp2_hptbl_set_current_table_size(&parser.table, 256);
   /* D.5.1 */
   test_vector(&parser, mode,
               "4803 3330 3258 0770 7269 7661 7465 611d"
@@ -184,7 +185,8 @@ static void test_vectors(grpc_slice_split_mode mode) {
   grpc_chttp2_hpack_parser_destroy(&parser);
 
   grpc_chttp2_hpack_parser_init(&parser);
-  parser.table.max_bytes = 256;
+  grpc_chttp2_hptbl_set_max_bytes(&parser.table, 256);
+  grpc_chttp2_hptbl_set_current_table_size(&parser.table, 256);
   /* D.6.1 */
   test_vector(&parser, mode,
               "4882 6402 5885 aec3 771a 4b61 96d0 7abe"

test/core/transport/chttp2/hpack_table_test.c

@@ -140,9 +140,12 @@ static void test_many_additions(void) {
   grpc_chttp2_hptbl_init(&tbl);
 
   for (i = 0; i < 1000000; i++) {
+    grpc_mdelem *elem;
     gpr_asprintf(&key, "K:%d", i);
     gpr_asprintf(&value, "VALUE:%d", i);
-    grpc_chttp2_hptbl_add(&tbl, grpc_mdelem_from_strings(key, value));
+    elem = grpc_mdelem_from_strings(key, value);
+    GPR_ASSERT(grpc_chttp2_hptbl_add(&tbl, elem));
+    GRPC_MDELEM_UNREF(elem);
     assert_index(&tbl, 1 + GRPC_CHTTP2_LAST_STATIC_ENTRY, key, value);
     gpr_free(key);
     gpr_free(value);
@@ -169,16 +172,23 @@ static grpc_chttp2_hptbl_find_result find_simple(grpc_chttp2_hptbl *tbl,
 
 static void test_find(void) {
   grpc_chttp2_hptbl tbl;
-  int i;
+  gpr_uint32 i;
   char buffer[32];
+  grpc_mdelem *elem;
   grpc_chttp2_hptbl_find_result r;
 
   LOG_TEST("test_find");
 
   grpc_chttp2_hptbl_init(&tbl);
-  grpc_chttp2_hptbl_add(&tbl, grpc_mdelem_from_strings("abc", "xyz"));
+  elem = grpc_mdelem_from_strings("abc", "xyz");
-  grpc_chttp2_hptbl_add(&tbl, grpc_mdelem_from_strings("abc", "123"));
+  GPR_ASSERT(grpc_chttp2_hptbl_add(&tbl, elem));
-  grpc_chttp2_hptbl_add(&tbl, grpc_mdelem_from_strings("x", "1"));
+  GRPC_MDELEM_UNREF(elem);
+  elem = grpc_mdelem_from_strings("abc", "123");
+  GPR_ASSERT(grpc_chttp2_hptbl_add(&tbl, elem));
+  GRPC_MDELEM_UNREF(elem);
+  elem = grpc_mdelem_from_strings("x", "1");
+  GPR_ASSERT(grpc_chttp2_hptbl_add(&tbl, elem));
+  GRPC_MDELEM_UNREF(elem);
 
   r = find_simple(&tbl, "abc", "123");
   GPR_ASSERT(r.index == 2 + GRPC_CHTTP2_LAST_STATIC_ENTRY);
@@ -227,7 +237,9 @@ static void test_find(void) {
   /* overflow the string buffer, check find still works */
   for (i = 0; i < 10000; i++) {
     gpr_ltoa(i, buffer);
-    grpc_chttp2_hptbl_add(&tbl, grpc_mdelem_from_strings("test", buffer));
+    elem = grpc_mdelem_from_strings("test", buffer);
+    GPR_ASSERT(grpc_chttp2_hptbl_add(&tbl, elem));
+    GRPC_MDELEM_UNREF(elem);
   }
 
   r = find_simple(&tbl, "abc", "123");
@@ -243,7 +255,7 @@ static void test_find(void) {
   GPR_ASSERT(r.has_value == 1);
 
   for (i = 0; i < tbl.num_ents; i++) {
-    int expect = 9999 - i;
+    gpr_uint32 expect = 9999 - i;
     gpr_ltoa(expect, buffer);
 
     r = find_simple(&tbl, "test", buffer);

test/cpp/interop/metrics_client.cc

@@ -0,0 +1,103 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *is % allowed in string
+ */
+
+#include <memory>
+#include <string>
+
+#include <gflags/gflags.h>
+#include <grpc++/grpc++.h>
+
+#include "test/cpp/util/metrics_server.h"
+#include "test/cpp/util/test_config.h"
+#include "test/proto/metrics.grpc.pb.h"
+#include "test/proto/metrics.pb.h"
+
+DEFINE_string(metrics_server_address, "",
+              "The metrics server addresses in the fomrat <hostname>:<port>");
+
+using grpc::testing::EmptyMessage;
+using grpc::testing::GaugeResponse;
+using grpc::testing::MetricsService;
+using grpc::testing::MetricsServiceImpl;
+
+void PrintMetrics(grpc::string& server_address) {
+  gpr_log(GPR_INFO, "creating a channel to %s", server_address.c_str());
+  std::shared_ptr<grpc::Channel> channel(
+      grpc::CreateChannel(server_address, grpc::InsecureChannelCredentials()));
+
+  std::unique_ptr<MetricsService::Stub> stub(MetricsService::NewStub(channel));
+
+  grpc::ClientContext context;
+  EmptyMessage message;
+
+  std::unique_ptr<grpc::ClientReader<GaugeResponse>> reader(
+      stub->GetAllGauges(&context, message));
+
+  GaugeResponse gauge_response;
+  long overall_qps = 0;
+  int idx = 0;
+  while (reader->Read(&gauge_response)) {
+    if (gauge_response.value_case() == GaugeResponse::kLongValue) {
+      gpr_log(GPR_INFO, "Gauge: %d (%s: %ld)", ++idx,
+              gauge_response.name().c_str(), gauge_response.long_value());
+      overall_qps += gauge_response.long_value();
+    } else {
+      gpr_log(GPR_INFO, "Gauge %s is not a long value",
+              gauge_response.name().c_str());
+    }
+  }
+
+  gpr_log(GPR_INFO, "OVERALL: %ld", overall_qps);
+
+  const grpc::Status status = reader->Finish();
+  if (!status.ok()) {
+    gpr_log(GPR_ERROR, "Error in getting metrics from the client");
+  }
+}
+
+int main(int argc, char** argv) {
+  grpc::testing::InitTest(&argc, &argv, true);
+
+  // Make sure server_addresses flag is not empty
+  if (FLAGS_metrics_server_address.empty()) {
+    gpr_log(
+        GPR_ERROR,
+        "Cannot connect to the Metrics server. Please pass the address of the"
+        "metrics server to connect to via the 'metrics_server_address' flag");
+    return 1;
+  }
+
+  PrintMetrics(FLAGS_metrics_server_address);
+
+  return 0;
+}

test/cpp/interop/stress_interop_client.cc

@@ -40,6 +40,7 @@
 #include <grpc++/create_channel.h>
 
 #include "test/cpp/interop/interop_client.h"
+#include "test/cpp/util/metrics_server.h"
 
 namespace grpc {
 namespace testing {
@@ -81,21 +82,19 @@ TestCaseType WeightedRandomTestSelector::GetNextTest() const {
 
 StressTestInteropClient::StressTestInteropClient(
     int test_id, const grpc::string& server_address,
+    std::shared_ptr<Channel> channel,
     const WeightedRandomTestSelector& test_selector, long test_duration_secs,
-    long sleep_duration_ms)
+    long sleep_duration_ms, long metrics_collection_interval_secs)
     : test_id_(test_id),
       server_address_(server_address),
+      channel_(channel),
+      interop_client_(new InteropClient(channel, false)),
       test_selector_(test_selector),
       test_duration_secs_(test_duration_secs),
-      sleep_duration_ms_(sleep_duration_ms) {
+      sleep_duration_ms_(sleep_duration_ms),
-  // TODO(sreek): This will change once we add support for other tests
+      metrics_collection_interval_secs_(metrics_collection_interval_secs) {}
-  // that won't work with InsecureChannelCredentials()
-  std::shared_ptr<Channel> channel(
-      CreateChannel(server_address, InsecureChannelCredentials()));
-  interop_client_.reset(new InteropClient(channel, false));
-}
 
-void StressTestInteropClient::MainLoop() {
+void StressTestInteropClient::MainLoop(std::shared_ptr<Gauge> qps_gauge) {
   gpr_log(GPR_INFO, "Running test %d. ServerAddr: %s", test_id_,
           server_address_.c_str());
 
@@ -104,21 +103,38 @@ void StressTestInteropClient::MainLoop() {
                    gpr_time_from_seconds(test_duration_secs_, GPR_TIMESPAN));
 
   gpr_timespec current_time = gpr_now(GPR_CLOCK_REALTIME);
+  gpr_timespec next_stat_collection_time = current_time;
+  gpr_timespec collection_interval =
+      gpr_time_from_seconds(metrics_collection_interval_secs_, GPR_TIMESPAN);
+  long num_calls_per_interval = 0;
+
   while (test_duration_secs_ < 0 ||
-         gpr_time_cmp(current_time, test_end_time) < 0) {
+         gpr_time_cmp(gpr_now(GPR_CLOCK_REALTIME), test_end_time) < 0) {
     // Select the test case to execute based on the weights and execute it
     TestCaseType test_case = test_selector_.GetNextTest();
     gpr_log(GPR_INFO, "%d - Executing the test case %d", test_id_, test_case);
     RunTest(test_case);
 
+    num_calls_per_interval++;
+
+    // See if its time to collect stats yet
+    current_time = gpr_now(GPR_CLOCK_REALTIME);
+    if (gpr_time_cmp(next_stat_collection_time, current_time) < 0) {
+      qps_gauge->Set(num_calls_per_interval /
+                     metrics_collection_interval_secs_);
+
+      num_calls_per_interval = 0;
+      next_stat_collection_time =
+          gpr_time_add(current_time, collection_interval);
+    }
+
     // Sleep between successive calls if needed
     if (sleep_duration_ms_ > 0) {
-      gpr_timespec sleep_time = gpr_time_add(
+      gpr_timespec sleep_time =
-          current_time, gpr_time_from_millis(sleep_duration_ms_, GPR_TIMESPAN));
+          gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
+                       gpr_time_from_millis(sleep_duration_ms_, GPR_TIMESPAN));
       gpr_sleep_until(sleep_time);
     }
-
-    current_time = gpr_now(GPR_CLOCK_REALTIME);
   }
 }
 

test/cpp/interop/stress_interop_client.h

@@ -41,6 +41,7 @@
 #include <grpc++/create_channel.h>
 
 #include "test/cpp/interop/interop_client.h"
+#include "test/cpp/util/metrics_server.h"
 
 namespace grpc {
 namespace testing {
@@ -84,20 +85,26 @@ class WeightedRandomTestSelector {
 class StressTestInteropClient {
  public:
   StressTestInteropClient(int test_id, const grpc::string& server_address,
+                          std::shared_ptr<Channel> channel,
                           const WeightedRandomTestSelector& test_selector,
-                          long test_duration_secs, long sleep_duration_ms);
+                          long test_duration_secs, long sleep_duration_ms,
+                          long metrics_collection_interval_secs);
 
-  void MainLoop();  // The main function. Use this as the thread entry point.
+  // The main function. Use this as the thread entry point.
+  // qps_gauge is the Gauge to record the requests per second metric
+  void MainLoop(std::shared_ptr<Gauge> qps_gauge);
 
  private:
   void RunTest(TestCaseType test_case);
 
   int test_id_;
-  std::unique_ptr<InteropClient> interop_client_;
   const grpc::string& server_address_;
+  std::shared_ptr<Channel> channel_;
+  std::unique_ptr<InteropClient> interop_client_;
   const WeightedRandomTestSelector& test_selector_;
   long test_duration_secs_;
   long sleep_duration_ms_;
+  long metrics_collection_interval_secs_;
 };
 
 }  // namespace testing

test/cpp/interop/stress_test.cc

@@ -45,7 +45,15 @@
 
 #include "test/cpp/interop/interop_client.h"
 #include "test/cpp/interop/stress_interop_client.h"
+#include "test/cpp/util/metrics_server.h"
 #include "test/cpp/util/test_config.h"
+#include "test/proto/metrics.grpc.pb.h"
+#include "test/proto/metrics.pb.h"
+
+DEFINE_int32(metrics_port, 8081, "The metrics server port.");
+
+DEFINE_int32(metrics_collection_interval_secs, 5,
+             "How often (in seconds) should metrics be recorded.");
 
 DEFINE_int32(sleep_duration_ms, 0,
              "The duration (in millisec) between two"
@@ -62,6 +70,11 @@ DEFINE_string(server_addresses, "localhost:8080",
               " \"<name_1>:<port_1>,<name_2>:<port_1>...<name_N>:<port_N>\"\n"
               " Note: <name> can be servername or IP address.");
 
+DEFINE_int32(num_stubs_per_channel, 1,
+             "Number of stubs per each channels to server. This number also "
+             "indicates the max number of parallel RPC calls on each channel "
+             "at any given time.");
+
 // TODO(sreek): Add more test cases here in future
 DEFINE_string(test_cases, "",
               "List of test cases to call along with the"
@@ -79,15 +92,13 @@ DEFINE_string(test_cases, "",
               " 'large_unary', 10% of the time and 'empty_stream' the remaining"
               " 70% of the time");
 
-using std::make_pair;
-using std::pair;
-using std::vector;
-
 using grpc::testing::kTestCaseList;
+using grpc::testing::MetricsService;
+using grpc::testing::MetricsServiceImpl;
 using grpc::testing::StressTestInteropClient;
 using grpc::testing::TestCaseType;
-using grpc::testing::WeightedRandomTestSelector;
 using grpc::testing::UNKNOWN_TEST;
+using grpc::testing::WeightedRandomTestSelector;
 
 TestCaseType GetTestTypeFromName(const grpc::string& test_name) {
   TestCaseType test_case = UNKNOWN_TEST;
@@ -104,7 +115,7 @@ TestCaseType GetTestTypeFromName(const grpc::string& test_name) {
 
 // Converts a string of comma delimited tokens to a vector of tokens
 bool ParseCommaDelimitedString(const grpc::string& comma_delimited_str,
-                               vector<grpc::string>& tokens) {
+                               std::vector<grpc::string>& tokens) {
   size_t bpos = 0;
   size_t epos = grpc::string::npos;
 
@@ -122,10 +133,10 @@ bool ParseCommaDelimitedString(const grpc::string& comma_delimited_str,
 //   - Whether parsing was successful (return value)
 //   - Vector of (test_type_enum, weight) pairs returned via 'tests' parameter
 bool ParseTestCasesString(const grpc::string& test_cases,
-                          vector<pair<TestCaseType, int>>& tests) {
+                          std::vector<std::pair<TestCaseType, int>>& tests) {
   bool is_success = true;
 
-  vector<grpc::string> tokens;
+  std::vector<grpc::string> tokens;
   ParseCommaDelimitedString(test_cases, tokens);
 
   for (auto it = tokens.begin(); it != tokens.end(); it++) {
@@ -153,8 +164,8 @@ bool ParseTestCasesString(const grpc::string& test_cases,
 }
 
 // For debugging purposes
-void LogParameterInfo(const vector<grpc::string>& addresses,
+void LogParameterInfo(const std::vector<grpc::string>& addresses,
-                      const vector<pair<TestCaseType, int>>& tests) {
+                      const std::vector<std::pair<TestCaseType, int>>& tests) {
   gpr_log(GPR_INFO, "server_addresses: %s", FLAGS_server_addresses.c_str());
   gpr_log(GPR_INFO, "test_cases : %s", FLAGS_test_cases.c_str());
   gpr_log(GPR_INFO, "sleep_duration_ms: %d", FLAGS_sleep_duration_ms);
@@ -180,7 +191,7 @@ int main(int argc, char** argv) {
   srand(time(NULL));
 
   // Parse the server addresses
-  vector<grpc::string> server_addresses;
+  std::vector<grpc::string> server_addresses;
   ParseCommaDelimitedString(FLAGS_server_addresses, server_addresses);
 
   // Parse test cases and weights
@@ -189,7 +200,7 @@ int main(int argc, char** argv) {
     return 1;
   }
 
-  vector<pair<TestCaseType, int>> tests;
+  std::vector<std::pair<TestCaseType, int>> tests;
   if (!ParseTestCasesString(FLAGS_test_cases, tests)) {
     gpr_log(GPR_ERROR, "Error in parsing test cases string %s ",
             FLAGS_test_cases.c_str());
@@ -199,23 +210,48 @@ int main(int argc, char** argv) {
   LogParameterInfo(server_addresses, tests);
 
   WeightedRandomTestSelector test_selector(tests);
+  MetricsServiceImpl metrics_service;
 
   gpr_log(GPR_INFO, "Starting test(s)..");
 
-  vector<grpc::thread> test_threads;
+  std::vector<grpc::thread> test_threads;
+
   int thread_idx = 0;
   for (auto it = server_addresses.begin(); it != server_addresses.end(); it++) {
-    StressTestInteropClient* client = new StressTestInteropClient(
+    // TODO(sreek): This will change once we add support for other tests
-        ++thread_idx, *it, test_selector, FLAGS_test_duration_secs,
+    // that won't work with InsecureChannelCredentials()
-        FLAGS_sleep_duration_ms);
+    std::shared_ptr<grpc::Channel> channel(
-
+        grpc::CreateChannel(*it, grpc::InsecureChannelCredentials()));
-    test_threads.emplace_back(
+
-        grpc::thread(&StressTestInteropClient::MainLoop, client));
+    // Make multiple stubs (as defined by num_stubs_per_channel flag) to use the
+    // same channel. This is to test calling multiple RPC calls in parallel on
+    // each channel.
+    for (int i = 0; i < FLAGS_num_stubs_per_channel; i++) {
+      StressTestInteropClient* client = new StressTestInteropClient(
+          ++thread_idx, *it, channel, test_selector, FLAGS_test_duration_secs,
+          FLAGS_sleep_duration_ms, FLAGS_metrics_collection_interval_secs);
+
+      bool is_already_created;
+      grpc::string metricName =
+          "/stress_test/qps/thread/" + std::to_string(thread_idx);
+      test_threads.emplace_back(grpc::thread(
+          &StressTestInteropClient::MainLoop, client,
+          metrics_service.CreateGauge(metricName, &is_already_created)));
+
+      // The Gauge should not have been already created
+      GPR_ASSERT(!is_already_created);
+    }
   }
 
+  // Start metrics server before waiting for the stress test threads
+  std::unique_ptr<grpc::Server> metrics_server =
+      metrics_service.StartServer(FLAGS_metrics_port);
+
+  // Wait for the stress test threads to complete
   for (auto it = test_threads.begin(); it != test_threads.end(); it++) {
     it->join();
   }
 
+  metrics_server->Wait();
   return 0;
 }

test/cpp/qps/async_streaming_ping_pong_test.cc

@@ -58,6 +58,7 @@ static void RunAsyncStreamingPingPong() {
 
   ServerConfig server_config;
   server_config.set_server_type(ASYNC_SERVER);
+  server_config.set_host("localhost");
   server_config.set_async_server_threads(1);
 
   const auto result =

test/cpp/qps/async_unary_ping_pong_test.cc

@@ -58,6 +58,7 @@ static void RunAsyncUnaryPingPong() {
 
   ServerConfig server_config;
   server_config.set_server_type(ASYNC_SERVER);
+  server_config.set_host("localhost");
   server_config.set_async_server_threads(1);
 
   const auto result =

test/cpp/qps/driver.cc

@@ -110,7 +110,7 @@ std::unique_ptr<ScenarioResult> RunScenario(
   list<ClientContext> contexts;
 
   // To be added to the result, containing the final configuration used for
-  // client and config (incluiding host, etc.)
+  // client and config (including host, etc.)
   ClientConfig result_client_config;
   ServerConfig result_server_config;
 

test/cpp/qps/histogram.h

@@ -42,7 +42,10 @@ namespace testing {
 
 class Histogram {
  public:
-  Histogram() : impl_(gpr_histogram_create(0.01, 60e9)) {}
+  // TODO: look into making histogram params not hardcoded for C++
+  Histogram()
+      : impl_(gpr_histogram_create(default_resolution(),
+                                   default_max_possible())) {}
   ~Histogram() {
     if (impl_) gpr_histogram_destroy(impl_);
   }
@@ -73,6 +76,9 @@ class Histogram {
                                  p.sum_of_squares(), p.count());
   }
 
+  static double default_resolution() { return 0.01; }
+  static double default_max_possible() { return 60e9; }
+
  private:
   Histogram(const Histogram&);
   Histogram& operator=(const Histogram&);

test/cpp/qps/qps_driver.cc

@@ -137,8 +137,14 @@ static void QpsDriver() {
     // No further load parameters to set up for closed loop
   }
 
+  client_config.mutable_histogram_params()->set_resolution(
+      Histogram::default_resolution());
+  client_config.mutable_histogram_params()->set_max_possible(
+      Histogram::default_max_possible());
+
   ServerConfig server_config;
   server_config.set_server_type(server_type);
+  server_config.set_host("localhost");
   server_config.set_async_server_threads(FLAGS_async_server_threads);
 
   if (FLAGS_secure_test) {

test/cpp/qps/qps_openloop_test.cc

@@ -59,6 +59,7 @@ static void RunQPS() {
 
   ServerConfig server_config;
   server_config.set_server_type(ASYNC_SERVER);
+  server_config.set_host("localhost");
   server_config.set_async_server_threads(4);
 
   const auto result =

test/cpp/qps/qps_test.cc

@@ -58,6 +58,7 @@ static void RunQPS() {
 
   ServerConfig server_config;
   server_config.set_server_type(ASYNC_SERVER);
+  server_config.set_host("localhost");
   server_config.set_async_server_threads(8);
 
   const auto result =

test/cpp/qps/qps_test_with_poll.cc

@@ -62,6 +62,7 @@ static void RunQPS() {
 
   ServerConfig server_config;
   server_config.set_server_type(ASYNC_SERVER);
+  server_config.set_host("localhost");
   server_config.set_async_server_threads(4);
 
   const auto result =

test/cpp/qps/secure_sync_unary_ping_pong_test.cc

@@ -57,6 +57,7 @@ static void RunSynchronousUnaryPingPong() {
 
   ServerConfig server_config;
   server_config.set_server_type(SYNC_SERVER);
+  server_config.set_host("localhost");
 
   // Set up security params
   SecurityParams security;

test/cpp/qps/server_async.cc

@@ -60,7 +60,7 @@ class AsyncQpsServerTest : public Server {
   explicit AsyncQpsServerTest(const ServerConfig &config) : Server(config) {
     char *server_address = NULL;
 
-    gpr_join_host_port(&server_address, "::", port());
+    gpr_join_host_port(&server_address, config.host().c_str(), port());
 
     ServerBuilder builder;
     builder.AddListeningPort(server_address,

test/cpp/qps/server_sync.cc

@@ -89,7 +89,7 @@ class SynchronousServer GRPC_FINAL : public grpc::testing::Server {
 
     char* server_address = NULL;
 
-    gpr_join_host_port(&server_address, "::", port());
+    gpr_join_host_port(&server_address, config.host().c_str(), port());
     builder.AddListeningPort(server_address,
                              Server::CreateServerCredentials(config));
     gpr_free(server_address);

test/cpp/qps/sync_streaming_ping_pong_test.cc

@@ -57,6 +57,7 @@ static void RunSynchronousStreamingPingPong() {
 
   ServerConfig server_config;
   server_config.set_server_type(SYNC_SERVER);
+  server_config.set_host("localhost");
 
   const auto result =
       RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);

test/cpp/qps/sync_unary_ping_pong_test.cc

@@ -57,6 +57,7 @@ static void RunSynchronousUnaryPingPong() {
 
   ServerConfig server_config;
   server_config.set_server_type(SYNC_SERVER);
+  server_config.set_host("localhost");
 
   const auto result =
       RunScenario(client_config, 1, server_config, 1, WARMUP, BENCHMARK, -2);

test/cpp/util/metrics_server.cc

@@ -0,0 +1,119 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *is % allowed in string
+ */
+
+#include "test/cpp/util/metrics_server.h"
+
+#include <grpc++/server_builder.h>
+
+#include "test/proto/metrics.grpc.pb.h"
+#include "test/proto/metrics.pb.h"
+
+namespace grpc {
+namespace testing {
+
+Gauge::Gauge(long initial_val) : val_(initial_val) {}
+
+void Gauge::Set(long new_val) {
+  std::lock_guard<std::mutex> lock(val_mu_);
+  val_ = new_val;
+}
+
+long Gauge::Get() {
+  std::lock_guard<std::mutex> lock(val_mu_);
+  return val_;
+}
+
+grpc::Status MetricsServiceImpl::GetAllGauges(
+    ServerContext* context, const EmptyMessage* request,
+    ServerWriter<GaugeResponse>* writer) {
+  gpr_log(GPR_INFO, "GetAllGauges called");
+
+  std::lock_guard<std::mutex> lock(mu_);
+  for (auto it = gauges_.begin(); it != gauges_.end(); it++) {
+    GaugeResponse resp;
+    resp.set_name(it->first);                // Gauge name
+    resp.set_long_value(it->second->Get());  // Gauge value
+    writer->Write(resp);
+  }
+
+  return Status::OK;
+}
+
+grpc::Status MetricsServiceImpl::GetGauge(ServerContext* context,
+                                          const GaugeRequest* request,
+                                          GaugeResponse* response) {
+  std::lock_guard<std::mutex> lock(mu_);
+
+  const auto it = gauges_.find(request->name());
+  if (it != gauges_.end()) {
+    response->set_name(it->first);
+    response->set_long_value(it->second->Get());
+  }
+
+  return Status::OK;
+}
+
+std::shared_ptr<Gauge> MetricsServiceImpl::CreateGauge(const grpc::string& name,
+                                                       bool* already_present) {
+  std::lock_guard<std::mutex> lock(mu_);
+
+  std::shared_ptr<Gauge> gauge(new Gauge(0));
+  const auto p = gauges_.emplace(name, gauge);
+
+  // p.first is an iterator pointing to <name, shared_ptr<Gauge>> pair. p.second
+  // is a boolean which is set to 'true' if the Gauge is inserted in the guages_
+  // map and 'false' if it is already present in the map
+  *already_present = !p.second;
+  return p.first->second;
+}
+
+// Starts the metrics server and returns the grpc::Server instance. Call Wait()
+// on the returned server instance.
+std::unique_ptr<grpc::Server> MetricsServiceImpl::StartServer(int port) {
+  gpr_log(GPR_INFO, "Building metrics server..");
+
+  const grpc::string address = "0.0.0.0:" + std::to_string(port);
+
+  ServerBuilder builder;
+  builder.AddListeningPort(address, grpc::InsecureServerCredentials());
+  builder.RegisterService(this);
+
+  std::unique_ptr<grpc::Server> server(builder.BuildAndStart());
+  gpr_log(GPR_INFO, "Metrics server %s started. Ready to receive requests..",
+          address.c_str());
+
+  return server;
+}
+
+}  // namespace testing
+}  // namespace grpc

test/cpp/util/metrics_server.h

@@ -0,0 +1,100 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *is % allowed in string
+ */
+#ifndef GRPC_TEST_CPP_METRICS_SERVER_H
+#define GRPC_TEST_CPP_METRICS_SERVER_H
+
+#include <map>
+#include <mutex>
+
+#include "test/proto/metrics.grpc.pb.h"
+#include "test/proto/metrics.pb.h"
+
+/*
+ * This implements a Metrics server defined in test/proto/metrics.proto. Any
+ * test service can use this to export Metrics (TODO (sreek): Only Gauges for
+ * now).
+ *
+ * Example:
+ *    MetricsServiceImpl metricsImpl;
+ *    ..
+ *    // Create Gauge(s). Note: Gauges can be created even after calling
+ *    // 'StartServer'.
+ *    Gauge gauge1 = metricsImpl.CreateGauge("foo",is_present);
+ *    // gauge1 can now be used anywhere in the program to set values.
+ *    ...
+ *    // Create the metrics server
+ *    std::unique_ptr<grpc::Server> server = metricsImpl.StartServer(port);
+ *    server->Wait(); // Note: This is blocking.
+ */
+namespace grpc {
+namespace testing {
+
+// TODO(sreek): Add support for other types of Gauges like Double, String in
+// future
+class Gauge {
+ public:
+  Gauge(long initial_val);
+  void Set(long new_val);
+  long Get();
+
+ private:
+  long val_;
+  std::mutex val_mu_;
+};
+
+class MetricsServiceImpl GRPC_FINAL : public MetricsService::Service {
+ public:
+  grpc::Status GetAllGauges(ServerContext* context, const EmptyMessage* request,
+                            ServerWriter<GaugeResponse>* writer) GRPC_OVERRIDE;
+
+  grpc::Status GetGauge(ServerContext* context, const GaugeRequest* request,
+                        GaugeResponse* response) GRPC_OVERRIDE;
+
+  // Create a Gauge with name 'name'. is_present is set to true if the Gauge
+  // is already present in the map.
+  // NOTE: CreateGauge can be called anytime (i.e before or after calling
+  // StartServer).
+  std::shared_ptr<Gauge> CreateGauge(const grpc::string& name,
+                                     bool* already_present);
+
+  std::unique_ptr<grpc::Server> StartServer(int port);
+
+ private:
+  std::map<string, std::shared_ptr<Gauge>> gauges_;
+  std::mutex mu_;
+};
+
+}  // namespace testing
+}  // namespace grpc
+
+#endif  // GRPC_TEST_CPP_METRICS_SERVER_H

test/proto/benchmarks/control.proto

@@ -97,6 +97,7 @@ message ClientConfig {
   RpcType rpc_type = 8;
   LoadParams load_params = 10;
   PayloadConfig payload_config = 11;
+  HistogramParams histogram_params = 12;
 }
 
 message ClientStatus {
@@ -118,6 +119,7 @@ message ClientArgs {
 message ServerConfig {
   ServerType server_type = 1;
   SecurityParams security_params = 2;
+  string host = 3;
   int32 port = 4;
   // only for async server
   int32 async_server_threads = 7;

test/proto/benchmarks/stats.proto

@@ -32,16 +32,24 @@ syntax = "proto3";
 package grpc.testing;
 
 message ServerStats {
-  // wall clock time
+  // wall clock time change since last reset
   double time_elapsed = 1;
 
-  // user time used by the server process and threads
+  // change in user time used by the server since last reset
   double time_user = 2;
 
-  // server time used by the server process and all threads
+  // change in server time used by the server process and all threads since
+  // last reset
   double time_system = 3;
 }
 
+// Histogram params based on grpc/support/histogram.c
+message HistogramParams {
+  double resolution = 1;   // first bucket is [0, 1 + resolution)
+  double max_possible = 2; // use enough buckets to allow this value
+}
+
+// Histogram data based on grpc/support/histogram.c
 message HistogramData {
   repeated uint32 bucket = 1;
   double min_seen = 2;
@@ -52,7 +60,10 @@ message HistogramData {
 }
 
 message ClientStats {
+  // Latency histogram. Data points are in nanoseconds.
   HistogramData latencies = 1;
+
+  // See ServerStats for details.
   double time_elapsed = 2;
   double time_user = 3;
   double time_system = 4;

test/proto/metrics.proto

@@ -0,0 +1,53 @@
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// An integration test service that covers all the method signature permutations
+// of unary/streaming requests/responses.
+syntax = "proto3";
+
+package grpc.testing;
+
+message GaugeResponse {
+  string name = 1;
+  oneof value {
+    int64 long_value = 2;
+    double double_vale = 3;
+    string string_value = 4;
+  }
+}
+
+message GaugeRequest { string name = 1; }
+
+message EmptyMessage {}
+
+service MetricsService {
+  rpc GetAllGauges(EmptyMessage) returns (stream GaugeResponse);
+  rpc GetGauge(GaugeRequest) returns (GaugeResponse);
+}

tools/http2_interop/http2interop_test.go

@@ -17,7 +17,7 @@ var (
 	serverHost = flag.String("server_host", "", "The host to test")
 	serverPort = flag.Int("server_port", 443, "The port to test")
 	useTls     = flag.Bool("use_tls", true, "Should TLS tests be run")
-	testCase   = flag.String("test_case", "", "What test cases to run")
+	testCase   = flag.String("test_case", "", "What test cases to run (tls, framing)")
 
 	// The rest of these are unused, but present to fulfill the client interface
 	serverHostOverride    = flag.String("server_host_override", "", "Unused")
@@ -69,6 +69,9 @@ func (ctx *HTTP2InteropCtx) Close() error {
 }
 
 func TestShortPreface(t *testing.T) {
+	if *testCase != "framing" {
+		t.SkipNow()
+	}
 	ctx := InteropCtx(t)
 	for i := 0; i < len(Preface)-1; i++ {
 		if err := testShortPreface(ctx, Preface[:i]+"X"); err != io.EOF {
@@ -78,6 +81,9 @@ func TestShortPreface(t *testing.T) {
 }
 
 func TestUnknownFrameType(t *testing.T) {
+	if *testCase != "framing" {
+		t.SkipNow()
+	}
 	ctx := InteropCtx(t)
 	if err := testUnknownFrameType(ctx); err != nil {
 		t.Fatal(err)
@@ -86,7 +92,7 @@ func TestUnknownFrameType(t *testing.T) {
 
 func TestTLSApplicationProtocol(t *testing.T) {
 	if *testCase != "tls" {
-		return
+		t.SkipNow()
 	}
 	ctx := InteropCtx(t)
 	err := testTLSApplicationProtocol(ctx)
@@ -95,7 +101,7 @@ func TestTLSApplicationProtocol(t *testing.T) {
 
 func TestTLSMaxVersion(t *testing.T) {
 	if *testCase != "tls" {
-		return
+		t.SkipNow()
 	}
 	ctx := InteropCtx(t)
 	err := testTLSMaxVersion(ctx, tls.VersionTLS11)
@@ -106,7 +112,7 @@ func TestTLSMaxVersion(t *testing.T) {
 
 func TestTLSBadCipherSuites(t *testing.T) {
 	if *testCase != "tls" {
-		return
+		t.SkipNow()
 	}
 	ctx := InteropCtx(t)
 	err := testTLSBadCipherSuites(ctx)
@@ -114,6 +120,9 @@ func TestTLSBadCipherSuites(t *testing.T) {
 }
 
 func TestClientPrefaceWithStreamId(t *testing.T) {
+	if *testCase != "framing" {
+		t.SkipNow()
+	}
 	ctx := InteropCtx(t)
 	err := testClientPrefaceWithStreamId(ctx)
 	matchError(t, err, "EOF")

tools/run_tests/dockerjob.py

@@ -47,6 +47,7 @@ def random_name(base_name):
 def docker_kill(cid):
   """Kills a docker container. Returns True if successful."""
   return subprocess.call(['docker','kill', str(cid)],
+                         stdin=subprocess.PIPE,
                          stdout=_DEVNULL,
                          stderr=subprocess.STDOUT) == 0
 
@@ -78,6 +79,7 @@ def finish_jobs(jobs):
 def image_exists(image):
   """Returns True if given docker image exists."""
   return subprocess.call(['docker','inspect', image],
+                         stdin=subprocess.PIPE,
                          stdout=_DEVNULL,
                          stderr=subprocess.STDOUT) == 0
 
@@ -88,6 +90,7 @@ def remove_image(image, skip_nonexistent=False, max_retries=10):
     return True
   for attempt in range(0, max_retries):
     if subprocess.call(['docker','rmi', '-f', image],
+                       stdin=subprocess.PIPE,
                        stdout=_DEVNULL,
                        stderr=subprocess.STDOUT) == 0:
       return True

tools/run_tests/run_interop_tests.py

@@ -37,7 +37,6 @@ import jobset
 import multiprocessing
 import os
 import report_utils
-import subprocess
 import sys
 import tempfile
 import time
@@ -170,7 +169,7 @@ class Http2Client:
     self.safename = str(self)
 
   def client_args(self):
-    return ['tools/http2_interop/http2_interop.test']
+    return ['tools/http2_interop/http2_interop.test', '-test.v']
 
   def cloud_to_prod_env(self):
     return {}
@@ -306,7 +305,7 @@ _TEST_CASES = ['large_unary', 'empty_unary', 'ping_pong',
 _AUTH_TEST_CASES = ['compute_engine_creds', 'jwt_token_creds',
                     'oauth2_auth_token', 'per_rpc_creds']
 
-_HTTP2_TEST_CASES = ["tls"]
+_HTTP2_TEST_CASES = ["tls", "framing"]
 
 def docker_run_cmdline(cmdline, image, docker_args=[], cwd=None, environ=None):
   """Wraps given cmdline array to create 'docker run' cmdline from it."""

tools/run_tests/sources_and_headers.json

@@ -1398,6 +1398,25 @@
       "test/cpp/interop/interop_test.cc"
     ]
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "grpc", 
+      "grpc++", 
+      "grpc++_test_config"
+    ], 
+    "headers": [
+      "test/cpp/util/metrics_server.h", 
+      "test/proto/metrics.grpc.pb.h", 
+      "test/proto/metrics.pb.h"
+    ], 
+    "language": "c++", 
+    "name": "metrics_client", 
+    "src": [
+      "test/cpp/interop/metrics_client.cc", 
+      "test/cpp/util/metrics_server.h"
+    ]
+  }, 
   {
     "deps": [
       "gpr", 
@@ -1683,10 +1702,13 @@
       "test/cpp/interop/client_helper.h", 
       "test/cpp/interop/interop_client.h", 
       "test/cpp/interop/stress_interop_client.h", 
+      "test/cpp/util/metrics_server.h", 
       "test/proto/empty.grpc.pb.h", 
       "test/proto/empty.pb.h", 
       "test/proto/messages.grpc.pb.h", 
       "test/proto/messages.pb.h", 
+      "test/proto/metrics.grpc.pb.h", 
+      "test/proto/metrics.pb.h", 
       "test/proto/test.grpc.pb.h", 
       "test/proto/test.pb.h"
     ], 
@@ -1698,7 +1720,9 @@
       "test/cpp/interop/interop_client.h", 
       "test/cpp/interop/stress_interop_client.cc", 
       "test/cpp/interop/stress_interop_client.h", 
-      "test/cpp/interop/stress_test.cc"
+      "test/cpp/interop/stress_test.cc", 
+      "test/cpp/util/metrics_server.cc", 
+      "test/cpp/util/metrics_server.h"
     ]
   }, 
   {
@@ -2023,6 +2047,21 @@
     "name": "h2_compress_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_compress", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_compress_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -2548,6 +2587,21 @@
     "name": "h2_fakesec_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_fakesec", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_fakesec_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -3073,6 +3127,21 @@
     "name": "h2_full_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_full", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -3598,6 +3667,21 @@
     "name": "h2_full+poll_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_full+poll", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+poll_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -4123,6 +4207,21 @@
     "name": "h2_oauth2_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_oauth2", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_oauth2_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -5068,6 +5167,21 @@
     "name": "h2_sockpair_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_sockpair", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -5998,6 +6112,21 @@
     "name": "h2_sockpair_1byte_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_sockpair_1byte", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -6508,6 +6637,21 @@
     "name": "h2_ssl_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_ssl", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_ssl_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -7033,6 +7177,21 @@
     "name": "h2_ssl+poll_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_ssl+poll", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_ssl+poll_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -8023,6 +8182,21 @@
     "name": "h2_uchannel_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uchannel", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uchannel_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -8533,6 +8707,21 @@
     "name": "h2_uds_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uds", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -9043,6 +9232,21 @@
     "name": "h2_uds+poll_high_initial_seqno_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uds+poll", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds+poll_hpack_size_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -9537,6 +9741,20 @@
     "name": "h2_compress_high_initial_seqno_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_compress", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_compress_hpack_size_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_fixture_h2_compress", 
@@ -10013,6 +10231,20 @@
     "name": "h2_full_high_initial_seqno_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_full", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full_hpack_size_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_fixture_h2_full", 
@@ -10489,6 +10721,20 @@
     "name": "h2_full+poll_high_initial_seqno_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_full+poll", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+poll_hpack_size_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_fixture_h2_full+poll", 
@@ -11343,6 +11589,20 @@
     "name": "h2_sockpair_high_initial_seqno_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_sockpair", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_hpack_size_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_fixture_h2_sockpair", 
@@ -12183,6 +12443,20 @@
     "name": "h2_sockpair_1byte_high_initial_seqno_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_sockpair_1byte", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_hpack_size_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_fixture_h2_sockpair_1byte", 
@@ -12645,6 +12919,20 @@
     "name": "h2_uchannel_high_initial_seqno_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_uchannel", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uchannel_hpack_size_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_fixture_h2_uchannel", 
@@ -13107,6 +13395,20 @@
     "name": "h2_uds_high_initial_seqno_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_uds", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds_hpack_size_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_fixture_h2_uds", 
@@ -13569,6 +13871,20 @@
     "name": "h2_uds+poll_high_initial_seqno_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_uds+poll", 
+      "end2end_test_hpack_size", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds+poll_hpack_size_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_fixture_h2_uds+poll", 
@@ -16031,6 +16347,25 @@
       "test/core/end2end/tests/high_initial_seqno.c"
     ]
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h"
+    ], 
+    "language": "c", 
+    "name": "end2end_test_hpack_size", 
+    "src": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h", 
+      "test/core/end2end/tests/hpack_size.c"
+    ]
+  }, 
   {
     "deps": [
       "gpr", 

tools/run_tests/tests.json

@@ -1955,6 +1955,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_hpack_size_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -2568,6 +2586,23 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fakesec_hpack_size_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -3180,6 +3215,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_hpack_size_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -3708,6 +3761,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+poll_hpack_size_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -4213,6 +4278,23 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_oauth2_hpack_size_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -5284,6 +5366,23 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_hpack_size_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -6369,6 +6468,23 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_hpack_size_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -6964,6 +7080,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_hpack_size_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -7492,6 +7626,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl+poll_hpack_size_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -8541,6 +8687,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uchannel_hpack_size_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -9121,6 +9285,22 @@
       "posix"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_hpack_size_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -9601,6 +9781,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds+poll_hpack_size_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -10105,6 +10297,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_hpack_size_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -10717,6 +10927,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_hpack_size_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -11233,6 +11461,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+poll_hpack_size_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -12180,6 +12420,23 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_hpack_size_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -13230,6 +13487,23 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_hpack_size_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -13807,6 +14081,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uchannel_hpack_size_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -14371,6 +14663,22 @@
       "posix"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_hpack_size_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -14839,6 +15147,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds+poll_hpack_size_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"

vsprojects/buildtests_c.sln

@@ -394,6 +394,17 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_test_high_initial_s
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_test_hpack_size", "vcxproj\test\end2end_test_hpack_size\end2end_test_hpack_size.vcxproj", "{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_test_invoke_large_request", "vcxproj\test\end2end_test_invoke_large_request\end2end_test_invoke_large_request.vcxproj", "{30861F4C-E783-96E7-DB51-FD85757347C0}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -1506,6 +1517,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_high_initial_se
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_hpack_size_test", "vcxproj\test\h2_compress_hpack_size_test\h2_compress_hpack_size_test.vcxproj", "{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31} = {C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_invoke_large_request_test", "vcxproj\test\h2_compress_invoke_large_request_test\h2_compress_invoke_large_request_test.vcxproj", "{FE9E76C0-74CB-5085-6CE6-862E49037F0B}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1996,6 +2021,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fakesec_high_initial_seq
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fakesec_hpack_size_test", "vcxproj\test\h2_fakesec_hpack_size_test\h2_fakesec_hpack_size_test.vcxproj", "{5CDFA7CB-09E1-E01E-E21D-7446146478CC}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{096ABF91-FEC8-9AC9-B877-C683BFD51984} = {096ABF91-FEC8-9AC9-B877-C683BFD51984}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fakesec_invoke_large_request_test", "vcxproj\test\h2_fakesec_invoke_large_request_test\h2_fakesec_invoke_large_request_test.vcxproj", "{93980DE4-8935-C0F5-86F8-22B3F0811121}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2486,6 +2525,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_high_initial_seqno_
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_hpack_size_test", "vcxproj\test\h2_full_hpack_size_test\h2_full_hpack_size_test.vcxproj", "{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{882B2933-F340-7027-7090-28CEAE9F1BE6} = {882B2933-F340-7027-7090-28CEAE9F1BE6}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_invoke_large_request_test", "vcxproj\test\h2_full_invoke_large_request_test\h2_full_invoke_large_request_test.vcxproj", "{F97198F5-D5EC-E06B-C51F-1BF7644D7422}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2976,6 +3029,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_high_initial_seqn
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_hpack_size_test", "vcxproj\test\h2_oauth2_hpack_size_test\h2_oauth2_hpack_size_test.vcxproj", "{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{DDFE4EB8-CCD3-DA3F-461A-10F1B94D26AF} = {DDFE4EB8-CCD3-DA3F-461A-10F1B94D26AF}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_invoke_large_request_test", "vcxproj\test\h2_oauth2_invoke_large_request_test\h2_oauth2_invoke_large_request_test.vcxproj", "{945F52A3-91ED-5891-9D11-D07A19E4FEA2}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -3858,6 +3925,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_high_initial_se
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_hpack_size_test", "vcxproj\test\h2_sockpair_hpack_size_test\h2_sockpair_hpack_size_test.vcxproj", "{E96735FF-B1CF-51D2-1923-53292AF72C4E}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{67A1675D-FF50-3B78-2706-155D69ADC290} = {67A1675D-FF50-3B78-2706-155D69ADC290}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_invoke_large_request_test", "vcxproj\test\h2_sockpair_invoke_large_request_test\h2_sockpair_invoke_large_request_test.vcxproj", "{1A1AA28B-D635-F4BD-DFFA-096D2E4BA9BF}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -4726,6 +4807,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_high_init
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_hpack_size_test", "vcxproj\test\h2_sockpair_1byte_hpack_size_test\h2_sockpair_1byte_hpack_size_test.vcxproj", "{0B07D219-39A5-729B-EB0F-8B81E562D808}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B0F4BF34-3C82-EB67-990E-959CDDBEB734} = {B0F4BF34-3C82-EB67-990E-959CDDBEB734}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_invoke_large_request_test", "vcxproj\test\h2_sockpair_1byte_invoke_large_request_test\h2_sockpair_1byte_invoke_large_request_test.vcxproj", "{45EED825-B3C0-63AE-43FE-CFA8DD3164EC}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -5202,6 +5297,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_high_initial_seqno_t
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_hpack_size_test", "vcxproj\test\h2_ssl_hpack_size_test\h2_ssl_hpack_size_test.vcxproj", "{856DAD36-A161-9876-9548-48D06BFA35C1}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{207BE5BC-25D7-1D2A-C76E-279DB66A1205} = {207BE5BC-25D7-1D2A-C76E-279DB66A1205}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_invoke_large_request_test", "vcxproj\test\h2_ssl_invoke_large_request_test\h2_ssl_invoke_large_request_test.vcxproj", "{CB6E0DFE-7AA8-5F3A-431E-5D769E9339F7}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -6126,6 +6235,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_high_initial_se
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_hpack_size_test", "vcxproj\test\h2_uchannel_hpack_size_test\h2_uchannel_hpack_size_test.vcxproj", "{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A} = {CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_invoke_large_request_test", "vcxproj\test\h2_uchannel_invoke_large_request_test\h2_uchannel_invoke_large_request_test.vcxproj", "{7B5AE7B2-6D7E-D97F-A6A4-721C7446171F}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -6586,6 +6709,19 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_high_initial_se
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_hpack_size_nosec_test", "vcxproj\test\h2_compress_hpack_size_nosec_test\h2_compress_hpack_size_nosec_test.vcxproj", "{5A641212-7C59-E552-0ED6-F05F710DD4F5}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31} = {C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_invoke_large_request_nosec_test", "vcxproj\test\h2_compress_invoke_large_request_nosec_test\h2_compress_invoke_large_request_nosec_test.vcxproj", "{C3A6661F-806B-BDE6-AF91-032175B443F8}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -7028,6 +7164,19 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_high_initial_seqno_
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_hpack_size_nosec_test", "vcxproj\test\h2_full_hpack_size_nosec_test\h2_full_hpack_size_nosec_test.vcxproj", "{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{882B2933-F340-7027-7090-28CEAE9F1BE6} = {882B2933-F340-7027-7090-28CEAE9F1BE6}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_invoke_large_request_nosec_test", "vcxproj\test\h2_full_invoke_large_request_nosec_test\h2_full_invoke_large_request_nosec_test.vcxproj", "{96C59CF1-6E80-B88D-D99C-0AA4C32F6562}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -7821,6 +7970,19 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_high_initial_se
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_hpack_size_nosec_test", "vcxproj\test\h2_sockpair_hpack_size_nosec_test\h2_sockpair_hpack_size_nosec_test.vcxproj", "{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{67A1675D-FF50-3B78-2706-155D69ADC290} = {67A1675D-FF50-3B78-2706-155D69ADC290}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_invoke_large_request_nosec_test", "vcxproj\test\h2_sockpair_invoke_large_request_nosec_test\h2_sockpair_invoke_large_request_nosec_test.vcxproj", "{8BF0F1D5-3CF2-DFFD-D74D-E2D7D06A65AC}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -8601,6 +8763,19 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_high_init
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_hpack_size_nosec_test", "vcxproj\test\h2_sockpair_1byte_hpack_size_nosec_test\h2_sockpair_1byte_hpack_size_nosec_test.vcxproj", "{93AF9D45-51B5-A902-4537-709FE4ED9830}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B0F4BF34-3C82-EB67-990E-959CDDBEB734} = {B0F4BF34-3C82-EB67-990E-959CDDBEB734}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_invoke_large_request_nosec_test", "vcxproj\test\h2_sockpair_1byte_invoke_large_request_nosec_test\h2_sockpair_1byte_invoke_large_request_nosec_test.vcxproj", "{0733C2AA-D898-7145-3F2E-6304DC428C5F}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -9030,6 +9205,19 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_high_initial_se
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_hpack_size_nosec_test", "vcxproj\test\h2_uchannel_hpack_size_nosec_test\h2_uchannel_hpack_size_nosec_test.vcxproj", "{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A} = {CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A}
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5} = {22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_invoke_large_request_nosec_test", "vcxproj\test\h2_uchannel_invoke_large_request_nosec_test\h2_uchannel_invoke_large_request_nosec_test.vcxproj", "{0EC09350-0FB9-0208-000E-1B6C534B234C}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -9892,6 +10080,22 @@ Global
 		{C3647908-B80D-F566-5659-3E98B09D83F9}.Release-DLL|Win32.Build.0 = Release|Win32
 		{C3647908-B80D-F566-5659-3E98B09D83F9}.Release-DLL|x64.ActiveCfg = Release|x64
 		{C3647908-B80D-F566-5659-3E98B09D83F9}.Release-DLL|x64.Build.0 = Release|x64
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Debug|Win32.ActiveCfg = Debug|Win32
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Debug|x64.ActiveCfg = Debug|x64
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Release|Win32.ActiveCfg = Release|Win32
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Release|x64.ActiveCfg = Release|x64
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Debug|Win32.Build.0 = Debug|Win32
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Debug|x64.Build.0 = Debug|x64
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Release|Win32.Build.0 = Release|Win32
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Release|x64.Build.0 = Release|x64
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Debug-DLL|x64.Build.0 = Debug|x64
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Release-DLL|Win32.Build.0 = Release|Win32
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Release-DLL|x64.ActiveCfg = Release|x64
+		{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}.Release-DLL|x64.Build.0 = Release|x64
 		{30861F4C-E783-96E7-DB51-FD85757347C0}.Debug|Win32.ActiveCfg = Debug|Win32
 		{30861F4C-E783-96E7-DB51-FD85757347C0}.Debug|x64.ActiveCfg = Debug|x64
 		{30861F4C-E783-96E7-DB51-FD85757347C0}.Release|Win32.ActiveCfg = Release|Win32
@@ -11508,6 +11712,22 @@ Global
 		{1B8B71B0-ED48-43BF-0553-092CF96A330B}.Release-DLL|Win32.Build.0 = Release|Win32
 		{1B8B71B0-ED48-43BF-0553-092CF96A330B}.Release-DLL|x64.ActiveCfg = Release|x64
 		{1B8B71B0-ED48-43BF-0553-092CF96A330B}.Release-DLL|x64.Build.0 = Release|x64
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Debug|Win32.ActiveCfg = Debug|Win32
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Debug|x64.ActiveCfg = Debug|x64
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Release|Win32.ActiveCfg = Release|Win32
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Release|x64.ActiveCfg = Release|x64
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Debug|Win32.Build.0 = Debug|Win32
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Debug|x64.Build.0 = Debug|x64
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Release|Win32.Build.0 = Release|Win32
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Release|x64.Build.0 = Release|x64
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Debug-DLL|x64.Build.0 = Debug|x64
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Release-DLL|Win32.Build.0 = Release|Win32
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Release-DLL|x64.ActiveCfg = Release|x64
+		{8E7B2D33-360B-9A26-8BFD-1BAD10769F33}.Release-DLL|x64.Build.0 = Release|x64
 		{FE9E76C0-74CB-5085-6CE6-862E49037F0B}.Debug|Win32.ActiveCfg = Debug|Win32
 		{FE9E76C0-74CB-5085-6CE6-862E49037F0B}.Debug|x64.ActiveCfg = Debug|x64
 		{FE9E76C0-74CB-5085-6CE6-862E49037F0B}.Release|Win32.ActiveCfg = Release|Win32
@@ -12068,6 +12288,22 @@ Global
 		{65265C4A-46B8-F54C-96AB-10A292FE851F}.Release-DLL|Win32.Build.0 = Release|Win32
 		{65265C4A-46B8-F54C-96AB-10A292FE851F}.Release-DLL|x64.ActiveCfg = Release|x64
 		{65265C4A-46B8-F54C-96AB-10A292FE851F}.Release-DLL|x64.Build.0 = Release|x64
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Debug|Win32.ActiveCfg = Debug|Win32
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Debug|x64.ActiveCfg = Debug|x64
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Release|Win32.ActiveCfg = Release|Win32
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Release|x64.ActiveCfg = Release|x64
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Debug|Win32.Build.0 = Debug|Win32
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Debug|x64.Build.0 = Debug|x64
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Release|Win32.Build.0 = Release|Win32
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Release|x64.Build.0 = Release|x64
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Debug-DLL|x64.Build.0 = Debug|x64
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Release-DLL|Win32.Build.0 = Release|Win32
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Release-DLL|x64.ActiveCfg = Release|x64
+		{5CDFA7CB-09E1-E01E-E21D-7446146478CC}.Release-DLL|x64.Build.0 = Release|x64
 		{93980DE4-8935-C0F5-86F8-22B3F0811121}.Debug|Win32.ActiveCfg = Debug|Win32
 		{93980DE4-8935-C0F5-86F8-22B3F0811121}.Debug|x64.ActiveCfg = Debug|x64
 		{93980DE4-8935-C0F5-86F8-22B3F0811121}.Release|Win32.ActiveCfg = Release|Win32
@@ -12628,6 +12864,22 @@ Global
 		{87CE6537-F5DC-4AF1-6206-D9C31058226D}.Release-DLL|Win32.Build.0 = Release|Win32
 		{87CE6537-F5DC-4AF1-6206-D9C31058226D}.Release-DLL|x64.ActiveCfg = Release|x64
 		{87CE6537-F5DC-4AF1-6206-D9C31058226D}.Release-DLL|x64.Build.0 = Release|x64
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Debug|x64.ActiveCfg = Debug|x64
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Release|Win32.ActiveCfg = Release|Win32
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Release|x64.ActiveCfg = Release|x64
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Debug|Win32.Build.0 = Debug|Win32
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Debug|x64.Build.0 = Debug|x64
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Release|Win32.Build.0 = Release|Win32
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Release|x64.Build.0 = Release|x64
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Debug-DLL|x64.Build.0 = Debug|x64
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Release-DLL|Win32.Build.0 = Release|Win32
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Release-DLL|x64.ActiveCfg = Release|x64
+		{C655AED5-AF53-D09E-A8EA-60AE0F2D149A}.Release-DLL|x64.Build.0 = Release|x64
 		{F97198F5-D5EC-E06B-C51F-1BF7644D7422}.Debug|Win32.ActiveCfg = Debug|Win32
 		{F97198F5-D5EC-E06B-C51F-1BF7644D7422}.Debug|x64.ActiveCfg = Debug|x64
 		{F97198F5-D5EC-E06B-C51F-1BF7644D7422}.Release|Win32.ActiveCfg = Release|Win32
@@ -13188,6 +13440,22 @@ Global
 		{7E1DDE0D-E68B-BF0B-2EE7-AAFE5C9CCD58}.Release-DLL|Win32.Build.0 = Release|Win32
 		{7E1DDE0D-E68B-BF0B-2EE7-AAFE5C9CCD58}.Release-DLL|x64.ActiveCfg = Release|x64
 		{7E1DDE0D-E68B-BF0B-2EE7-AAFE5C9CCD58}.Release-DLL|x64.Build.0 = Release|x64
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Debug|Win32.ActiveCfg = Debug|Win32
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Debug|x64.ActiveCfg = Debug|x64
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Release|Win32.ActiveCfg = Release|Win32
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Release|x64.ActiveCfg = Release|x64
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Debug|Win32.Build.0 = Debug|Win32
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Debug|x64.Build.0 = Debug|x64
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Release|Win32.Build.0 = Release|Win32
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Release|x64.Build.0 = Release|x64
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Debug-DLL|x64.Build.0 = Debug|x64
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Release-DLL|Win32.Build.0 = Release|Win32
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Release-DLL|x64.ActiveCfg = Release|x64
+		{CA3C2D7E-58C7-C05E-6D3B-70383020D8C2}.Release-DLL|x64.Build.0 = Release|x64
 		{945F52A3-91ED-5891-9D11-D07A19E4FEA2}.Debug|Win32.ActiveCfg = Debug|Win32
 		{945F52A3-91ED-5891-9D11-D07A19E4FEA2}.Debug|x64.ActiveCfg = Debug|x64
 		{945F52A3-91ED-5891-9D11-D07A19E4FEA2}.Release|Win32.ActiveCfg = Release|Win32
@@ -14196,6 +14464,22 @@ Global
 		{0AE39FD9-59E4-1F8A-E8DD-1FCBFC62D2B3}.Release-DLL|Win32.Build.0 = Release|Win32
 		{0AE39FD9-59E4-1F8A-E8DD-1FCBFC62D2B3}.Release-DLL|x64.ActiveCfg = Release|x64
 		{0AE39FD9-59E4-1F8A-E8DD-1FCBFC62D2B3}.Release-DLL|x64.Build.0 = Release|x64
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Debug|Win32.ActiveCfg = Debug|Win32
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Debug|x64.ActiveCfg = Debug|x64
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Release|Win32.ActiveCfg = Release|Win32
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Release|x64.ActiveCfg = Release|x64
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Debug|Win32.Build.0 = Debug|Win32
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Debug|x64.Build.0 = Debug|x64
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Release|Win32.Build.0 = Release|Win32
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Release|x64.Build.0 = Release|x64
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Debug-DLL|x64.Build.0 = Debug|x64
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Release-DLL|Win32.Build.0 = Release|Win32
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Release-DLL|x64.ActiveCfg = Release|x64
+		{E96735FF-B1CF-51D2-1923-53292AF72C4E}.Release-DLL|x64.Build.0 = Release|x64
 		{1A1AA28B-D635-F4BD-DFFA-096D2E4BA9BF}.Debug|Win32.ActiveCfg = Debug|Win32
 		{1A1AA28B-D635-F4BD-DFFA-096D2E4BA9BF}.Debug|x64.ActiveCfg = Debug|x64
 		{1A1AA28B-D635-F4BD-DFFA-096D2E4BA9BF}.Release|Win32.ActiveCfg = Release|Win32
@@ -15188,6 +15472,22 @@ Global
 		{81643723-BBFA-AA83-B6AC-9FF770B4ED34}.Release-DLL|Win32.Build.0 = Release|Win32
 		{81643723-BBFA-AA83-B6AC-9FF770B4ED34}.Release-DLL|x64.ActiveCfg = Release|x64
 		{81643723-BBFA-AA83-B6AC-9FF770B4ED34}.Release-DLL|x64.Build.0 = Release|x64
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Debug|Win32.ActiveCfg = Debug|Win32
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Debug|x64.ActiveCfg = Debug|x64
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Release|Win32.ActiveCfg = Release|Win32
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Release|x64.ActiveCfg = Release|x64
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Debug|Win32.Build.0 = Debug|Win32
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Debug|x64.Build.0 = Debug|x64
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Release|Win32.Build.0 = Release|Win32
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Release|x64.Build.0 = Release|x64
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Debug-DLL|x64.Build.0 = Debug|x64
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Release-DLL|Win32.Build.0 = Release|Win32
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Release-DLL|x64.ActiveCfg = Release|x64
+		{0B07D219-39A5-729B-EB0F-8B81E562D808}.Release-DLL|x64.Build.0 = Release|x64
 		{45EED825-B3C0-63AE-43FE-CFA8DD3164EC}.Debug|Win32.ActiveCfg = Debug|Win32
 		{45EED825-B3C0-63AE-43FE-CFA8DD3164EC}.Debug|x64.ActiveCfg = Debug|x64
 		{45EED825-B3C0-63AE-43FE-CFA8DD3164EC}.Release|Win32.ActiveCfg = Release|Win32
@@ -15732,6 +16032,22 @@ Global
 		{82D02001-4051-0130-886D-6EED6E8180D9}.Release-DLL|Win32.Build.0 = Release|Win32
 		{82D02001-4051-0130-886D-6EED6E8180D9}.Release-DLL|x64.ActiveCfg = Release|x64
 		{82D02001-4051-0130-886D-6EED6E8180D9}.Release-DLL|x64.Build.0 = Release|x64
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Debug|Win32.ActiveCfg = Debug|Win32
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Debug|x64.ActiveCfg = Debug|x64
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Release|Win32.ActiveCfg = Release|Win32
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Release|x64.ActiveCfg = Release|x64
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Debug|Win32.Build.0 = Debug|Win32
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Debug|x64.Build.0 = Debug|x64
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Release|Win32.Build.0 = Release|Win32
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Release|x64.Build.0 = Release|x64
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Debug-DLL|x64.Build.0 = Debug|x64
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Release-DLL|Win32.Build.0 = Release|Win32
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Release-DLL|x64.ActiveCfg = Release|x64
+		{856DAD36-A161-9876-9548-48D06BFA35C1}.Release-DLL|x64.Build.0 = Release|x64
 		{CB6E0DFE-7AA8-5F3A-431E-5D769E9339F7}.Debug|Win32.ActiveCfg = Debug|Win32
 		{CB6E0DFE-7AA8-5F3A-431E-5D769E9339F7}.Debug|x64.ActiveCfg = Debug|x64
 		{CB6E0DFE-7AA8-5F3A-431E-5D769E9339F7}.Release|Win32.ActiveCfg = Release|Win32
@@ -16788,6 +17104,22 @@ Global
 		{359D18A0-DEE3-EDD5-1C4C-662EC638C910}.Release-DLL|Win32.Build.0 = Release|Win32
 		{359D18A0-DEE3-EDD5-1C4C-662EC638C910}.Release-DLL|x64.ActiveCfg = Release|x64
 		{359D18A0-DEE3-EDD5-1C4C-662EC638C910}.Release-DLL|x64.Build.0 = Release|x64
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Debug|Win32.ActiveCfg = Debug|Win32
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Debug|x64.ActiveCfg = Debug|x64
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Release|Win32.ActiveCfg = Release|Win32
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Release|x64.ActiveCfg = Release|x64
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Debug|Win32.Build.0 = Debug|Win32
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Debug|x64.Build.0 = Debug|x64
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Release|Win32.Build.0 = Release|Win32
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Release|x64.Build.0 = Release|x64
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Debug-DLL|x64.Build.0 = Debug|x64
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Release-DLL|Win32.Build.0 = Release|Win32
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Release-DLL|x64.ActiveCfg = Release|x64
+		{9CFB3202-D95F-E541-9A6F-BE561CAFE1AE}.Release-DLL|x64.Build.0 = Release|x64
 		{7B5AE7B2-6D7E-D97F-A6A4-721C7446171F}.Debug|Win32.ActiveCfg = Debug|Win32
 		{7B5AE7B2-6D7E-D97F-A6A4-721C7446171F}.Debug|x64.ActiveCfg = Debug|x64
 		{7B5AE7B2-6D7E-D97F-A6A4-721C7446171F}.Release|Win32.ActiveCfg = Release|Win32
@@ -17332,6 +17664,22 @@ Global
 		{E6C18E4E-ABC4-1C26-BAD6-67F92B80942F}.Release-DLL|Win32.Build.0 = Release|Win32
 		{E6C18E4E-ABC4-1C26-BAD6-67F92B80942F}.Release-DLL|x64.ActiveCfg = Release|x64
 		{E6C18E4E-ABC4-1C26-BAD6-67F92B80942F}.Release-DLL|x64.Build.0 = Release|x64
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Debug|Win32.ActiveCfg = Debug|Win32
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Debug|x64.ActiveCfg = Debug|x64
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Release|Win32.ActiveCfg = Release|Win32
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Release|x64.ActiveCfg = Release|x64
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Debug|Win32.Build.0 = Debug|Win32
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Debug|x64.Build.0 = Debug|x64
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Release|Win32.Build.0 = Release|Win32
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Release|x64.Build.0 = Release|x64
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Debug-DLL|x64.Build.0 = Debug|x64
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Release-DLL|Win32.Build.0 = Release|Win32
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Release-DLL|x64.ActiveCfg = Release|x64
+		{5A641212-7C59-E552-0ED6-F05F710DD4F5}.Release-DLL|x64.Build.0 = Release|x64
 		{C3A6661F-806B-BDE6-AF91-032175B443F8}.Debug|Win32.ActiveCfg = Debug|Win32
 		{C3A6661F-806B-BDE6-AF91-032175B443F8}.Debug|x64.ActiveCfg = Debug|x64
 		{C3A6661F-806B-BDE6-AF91-032175B443F8}.Release|Win32.ActiveCfg = Release|Win32
@@ -17876,6 +18224,22 @@ Global
 		{FDA69240-B598-500E-8E6E-741A1290ECB9}.Release-DLL|Win32.Build.0 = Release|Win32
 		{FDA69240-B598-500E-8E6E-741A1290ECB9}.Release-DLL|x64.ActiveCfg = Release|x64
 		{FDA69240-B598-500E-8E6E-741A1290ECB9}.Release-DLL|x64.Build.0 = Release|x64
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Debug|x64.ActiveCfg = Debug|x64
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Release|Win32.ActiveCfg = Release|Win32
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Release|x64.ActiveCfg = Release|x64
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Debug|Win32.Build.0 = Debug|Win32
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Debug|x64.Build.0 = Debug|x64
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Release|Win32.Build.0 = Release|Win32
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Release|x64.Build.0 = Release|x64
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Debug-DLL|x64.Build.0 = Debug|x64
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Release-DLL|Win32.Build.0 = Release|Win32
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Release-DLL|x64.ActiveCfg = Release|x64
+		{C355D9BD-F3C7-CA89-E125-44D1BAEE22C1}.Release-DLL|x64.Build.0 = Release|x64
 		{96C59CF1-6E80-B88D-D99C-0AA4C32F6562}.Debug|Win32.ActiveCfg = Debug|Win32
 		{96C59CF1-6E80-B88D-D99C-0AA4C32F6562}.Debug|x64.ActiveCfg = Debug|x64
 		{96C59CF1-6E80-B88D-D99C-0AA4C32F6562}.Release|Win32.ActiveCfg = Release|Win32
@@ -18852,6 +19216,22 @@ Global
 		{D4F84CA0-7020-BDD6-2EB8-2F773A7884A5}.Release-DLL|Win32.Build.0 = Release|Win32
 		{D4F84CA0-7020-BDD6-2EB8-2F773A7884A5}.Release-DLL|x64.ActiveCfg = Release|x64
 		{D4F84CA0-7020-BDD6-2EB8-2F773A7884A5}.Release-DLL|x64.Build.0 = Release|x64
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Debug|Win32.ActiveCfg = Debug|Win32
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Debug|x64.ActiveCfg = Debug|x64
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Release|Win32.ActiveCfg = Release|Win32
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Release|x64.ActiveCfg = Release|x64
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Debug|Win32.Build.0 = Debug|Win32
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Debug|x64.Build.0 = Debug|x64
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Release|Win32.Build.0 = Release|Win32
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Release|x64.Build.0 = Release|x64
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Debug-DLL|x64.Build.0 = Debug|x64
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Release-DLL|Win32.Build.0 = Release|Win32
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Release-DLL|x64.ActiveCfg = Release|x64
+		{B35C9AC3-8160-BFCA-2EA7-0413A7A45EC4}.Release-DLL|x64.Build.0 = Release|x64
 		{8BF0F1D5-3CF2-DFFD-D74D-E2D7D06A65AC}.Debug|Win32.ActiveCfg = Debug|Win32
 		{8BF0F1D5-3CF2-DFFD-D74D-E2D7D06A65AC}.Debug|x64.ActiveCfg = Debug|x64
 		{8BF0F1D5-3CF2-DFFD-D74D-E2D7D06A65AC}.Release|Win32.ActiveCfg = Release|Win32
@@ -19812,6 +20192,22 @@ Global
 		{0ACE1393-1D1C-9563-2EFD-258C38B2C5A5}.Release-DLL|Win32.Build.0 = Release|Win32
 		{0ACE1393-1D1C-9563-2EFD-258C38B2C5A5}.Release-DLL|x64.ActiveCfg = Release|x64
 		{0ACE1393-1D1C-9563-2EFD-258C38B2C5A5}.Release-DLL|x64.Build.0 = Release|x64
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Debug|Win32.ActiveCfg = Debug|Win32
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Debug|x64.ActiveCfg = Debug|x64
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Release|Win32.ActiveCfg = Release|Win32
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Release|x64.ActiveCfg = Release|x64
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Debug|Win32.Build.0 = Debug|Win32
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Debug|x64.Build.0 = Debug|x64
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Release|Win32.Build.0 = Release|Win32
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Release|x64.Build.0 = Release|x64
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Debug-DLL|x64.Build.0 = Debug|x64
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Release-DLL|Win32.Build.0 = Release|Win32
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Release-DLL|x64.ActiveCfg = Release|x64
+		{93AF9D45-51B5-A902-4537-709FE4ED9830}.Release-DLL|x64.Build.0 = Release|x64
 		{0733C2AA-D898-7145-3F2E-6304DC428C5F}.Debug|Win32.ActiveCfg = Debug|Win32
 		{0733C2AA-D898-7145-3F2E-6304DC428C5F}.Debug|x64.ActiveCfg = Debug|x64
 		{0733C2AA-D898-7145-3F2E-6304DC428C5F}.Release|Win32.ActiveCfg = Release|Win32
@@ -20340,6 +20736,22 @@ Global
 		{90CCC199-D242-7546-C1C0-4AA6899703DE}.Release-DLL|Win32.Build.0 = Release|Win32
 		{90CCC199-D242-7546-C1C0-4AA6899703DE}.Release-DLL|x64.ActiveCfg = Release|x64
 		{90CCC199-D242-7546-C1C0-4AA6899703DE}.Release-DLL|x64.Build.0 = Release|x64
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Debug|Win32.ActiveCfg = Debug|Win32
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Debug|x64.ActiveCfg = Debug|x64
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Release|Win32.ActiveCfg = Release|Win32
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Release|x64.ActiveCfg = Release|x64
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Debug|Win32.Build.0 = Debug|Win32
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Debug|x64.Build.0 = Debug|x64
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Release|Win32.Build.0 = Release|Win32
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Release|x64.Build.0 = Release|x64
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Debug-DLL|x64.Build.0 = Debug|x64
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Release-DLL|Win32.Build.0 = Release|Win32
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Release-DLL|x64.ActiveCfg = Release|x64
+		{EA53DB0D-8BA3-3BCC-10E1-8B5FACB77CA1}.Release-DLL|x64.Build.0 = Release|x64
 		{0EC09350-0FB9-0208-000E-1B6C534B234C}.Debug|Win32.ActiveCfg = Debug|Win32
 		{0EC09350-0FB9-0208-000E-1B6C534B234C}.Debug|x64.ActiveCfg = Debug|x64
 		{0EC09350-0FB9-0208-000E-1B6C534B234C}.Release|Win32.ActiveCfg = Release|Win32

vsprojects/vcxproj/test/end2end_test_hpack_size/end2end_test_hpack_size.vcxproj

@@ -0,0 +1,167 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{22A644D5-9A2B-4EF8-7792-AEB0C66A10E5}</ProjectGuid>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
+    <PlatformToolset>v100</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
+    <PlatformToolset>v110</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
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vsprojects/vcxproj/test/h2_fakesec_hpack_size_test/h2_fakesec_hpack_size_test.vcxproj

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vsprojects/vcxproj/test/h2_full_hpack_size_test/h2_full_hpack_size_test.vcxproj

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