Merge github.com:grpc/grpc into pipe-bomb

BUILD

@@ -375,6 +375,7 @@ cc_library(
     "src/core/surface/channel.c",
     "src/core/surface/channel_connectivity.c",
     "src/core/surface/channel_create.c",
+    "src/core/surface/channel_ping.c",
     "src/core/surface/completion_queue.c",
     "src/core/surface/event_string.c",
     "src/core/surface/init.c",
@@ -645,6 +646,7 @@ cc_library(
     "src/core/surface/channel.c",
     "src/core/surface/channel_connectivity.c",
     "src/core/surface/channel_create.c",
+    "src/core/surface/channel_ping.c",
     "src/core/surface/completion_queue.c",
     "src/core/surface/event_string.c",
     "src/core/surface/init.c",
@@ -1178,6 +1180,7 @@ objc_library(
     "src/core/surface/channel.c",
     "src/core/surface/channel_connectivity.c",
     "src/core/surface/channel_create.c",
+    "src/core/surface/channel_ping.c",
     "src/core/surface/completion_queue.c",
     "src/core/surface/event_string.c",
     "src/core/surface/init.c",

README.md

@@ -13,34 +13,28 @@ You can find more detailed documentation and examples in the [doc](doc) and [exa
 
 See grpc/INSTALL for installation instructions for various platforms.
 
-#Repository Structure
+#Repository Structure & Status
 
-This repository contains source code for gRPC libraries for multiple languages written on top
+This repository contains source code for gRPC libraries for multiple languages written on top of shared C core library [src/core] (src/core).
-of shared C core library [src/core] (src/core).
 
-   * C++ source code: [src/cpp] (src/cpp)
+Libraries in different languages are in different state of development. We are seeking contributions for all of these libraries.
-   * Ruby source code: [src/ruby] (src/ruby)
-   * NodeJS source code: [src/node] (src/node)
-   * Python source code: [src/python] (src/python)
-   * PHP source code: [src/php] (src/php)
-   * C# source code: [src/csharp] (src/csharp)
-   * Objective-C source code: [src/objective-c] (src/objective-c)
 
+| Language                | Source                              | Status                          |
+|-------------------------|-------------------------------------|---------------------------------|
+| Shared C [core library] | [src/core] (src/core)               | Beta - the surface API is stable |
+| C++                     | [src/cpp] (src/cpp)                 | Beta - the surface API is stable |
+| Ruby                    | [src/ruby] (src/ruby)               | Beta - the surface API is stable |
+| NodeJS                  | [src/node] (src/node)               | Beta - the surface API is stable |
+| Python                  | [src/python] (src/python)           | Beta - the surface API is stable |
+| PHP                     | [src/php] (src/php)                 | Beta - the surface API is stable |
+| C#                      | [src/csharp] (src/csharp)           | Beta - the surface API is stable |
+| Objective-C             | [src/objective-c] (src/objective-c) | Beta - the surface API is stable |
+
+<small>
 Java source code is in [grpc-java] (http://github.com/grpc/grpc-java) repository.
 Go source code is in [grpc-go] (http://github.com/grpc/grpc-go) repository.
+</small>
 
-#Current Status of libraries
-
-Libraries in different languages are in different state of development. We are seeking contributions for all of these libraries.
-
-   * shared C core library [src/core] (src/core) : Beta - the surface API is stable
-   * C++ Library: [src/cpp] (src/cpp) : Beta - the surface API is stable
-   * Ruby Library: [src/ruby] (src/ruby) : Beta - the surface API is stable
-   * NodeJS Library: [src/node] (src/node) : Beta - the surface API is stable
-   * Python Library: [src/python] (src/python) : Beta - the surface API is stable
-   * C# Library: [src/csharp] (src/csharp) : Beta - the surface API is stable
-   * Objective-C Library: [src/objective-c] (src/objective-c): Beta - the surface API is stable
-   * PHP Library: [src/php] (src/php) : Beta - the surface API is stable
 
 #Overview
 

binding.gyp

@@ -260,6 +260,7 @@
         'src/core/surface/channel.c',
         'src/core/surface/channel_connectivity.c',
         'src/core/surface/channel_create.c',
+        'src/core/surface/channel_ping.c',
         'src/core/surface/completion_queue.c',
         'src/core/surface/event_string.c',
         'src/core/surface/init.c',

build.yaml

@@ -307,6 +307,7 @@ filegroups:
   - src/core/surface/channel.c
   - src/core/surface/channel_connectivity.c
   - src/core/surface/channel_create.c
+  - src/core/surface/channel_ping.c
   - src/core/surface/completion_queue.c
   - src/core/surface/event_string.c
   - src/core/surface/init.c
@@ -1500,6 +1501,16 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: secure_channel_create_test
+  build: test
+  language: c
+  src:
+  - test/core/surface/secure_channel_create_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
 - name: secure_endpoint_test
   build: test
   language: c
@@ -1531,6 +1542,16 @@ targets:
   - grpc
   - gpr_test_util
   - gpr
+- name: sockaddr_resolver_test
+  build: test
+  language: c
+  src:
+  - test/core/client_config/resolvers/sockaddr_resolver_test.c
+  deps:
+  - grpc_test_util
+  - grpc
+  - gpr_test_util
+  - gpr
 - name: sockaddr_utils_test
   build: test
   language: c

gRPC.podspec

@@ -386,6 +386,7 @@ Pod::Spec.new do |s|
                       'src/core/surface/channel.c',
                       'src/core/surface/channel_connectivity.c',
                       'src/core/surface/channel_create.c',
+                      'src/core/surface/channel_ping.c',
                       'src/core/surface/completion_queue.c',
                       'src/core/surface/event_string.c',
                       'src/core/surface/init.c',

include/grpc/grpc.h

@@ -531,6 +531,11 @@ grpc_call *grpc_channel_create_call(grpc_channel *channel,
                                     const char *method, const char *host,
                                     gpr_timespec deadline, void *reserved);
 
+/** Ping the channels peer (load balanced channels will select one sub-channel
+    to ping); if the channel is not connected, posts a failed. */
+void grpc_channel_ping(grpc_channel *channel, grpc_completion_queue *cq,
+                       void *tag, void *reserved);
+
 /** Pre-register a method/host pair on a channel. */
 void *grpc_channel_register_call(grpc_channel *channel, const char *method,
                                  const char *host, void *reserved);

src/core/channel/client_channel.c

@@ -252,7 +252,10 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx,
   grpc_exec_ctx_enqueue(exec_ctx, op->on_consumed, 1);
 
   GPR_ASSERT(op->set_accept_stream == NULL);
-  GPR_ASSERT(op->bind_pollset == NULL);
+  if (op->bind_pollset != NULL) {
+    grpc_pollset_set_add_pollset(exec_ctx, &chand->interested_parties,
+                                 op->bind_pollset);
+  }
 
   gpr_mu_lock(&chand->mu_config);
   if (op->on_connectivity_state_change != NULL) {
@@ -263,6 +266,16 @@ static void cc_start_transport_op(grpc_exec_ctx *exec_ctx,
     op->connectivity_state = NULL;
   }
 
+  if (op->send_ping != NULL) {
+    if (chand->lb_policy == NULL) {
+      grpc_exec_ctx_enqueue(exec_ctx, op->send_ping, 0);
+    } else {
+      grpc_lb_policy_ping_one(exec_ctx, chand->lb_policy, op->send_ping);
+      op->bind_pollset = NULL;
+    }
+    op->send_ping = NULL;
+  }
+
   if (op->disconnect && chand->resolver != NULL) {
     grpc_connectivity_state_set(exec_ctx, &chand->state_tracker,
                                 GRPC_CHANNEL_FATAL_FAILURE, "disconnect");

src/core/client_config/lb_policies/pick_first.c

@@ -348,8 +348,20 @@ void pf_notify_on_state_change(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
   gpr_mu_unlock(&p->mu);
 }
 
+void pf_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                 grpc_closure *closure) {
+  pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
+  gpr_mu_lock(&p->mu);
+  if (p->selected) {
+    grpc_connected_subchannel_ping(exec_ctx, p->selected, closure);
+  } else {
+    grpc_exec_ctx_enqueue(exec_ctx, closure, 0);
+  }
+  gpr_mu_unlock(&p->mu);
+}
+
 static const grpc_lb_policy_vtable pick_first_lb_policy_vtable = {
-    pf_destroy, pf_shutdown, pf_pick, pf_cancel_pick, pf_exit_idle,
+    pf_destroy, pf_shutdown, pf_pick, pf_cancel_pick, pf_ping_one, pf_exit_idle,
     pf_check_connectivity, pf_notify_on_state_change};
 
 static void pick_first_factory_ref(grpc_lb_policy_factory *factory) {}

src/core/client_config/lb_policies/round_robin.c

@@ -467,8 +467,24 @@ static void rr_notify_on_state_change(grpc_exec_ctx *exec_ctx,
   gpr_mu_unlock(&p->mu);
 }
 
+static void rr_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                        grpc_closure *closure) {
+  round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
+  ready_list *selected;
+  grpc_connected_subchannel *target;
+  gpr_mu_lock(&p->mu);
+  if ((selected = peek_next_connected_locked(p))) {
+    gpr_mu_unlock(&p->mu);
+    target = grpc_subchannel_get_connected_subchannel(selected->subchannel);
+    grpc_connected_subchannel_ping(exec_ctx, target, closure);
+  } else {
+    gpr_mu_unlock(&p->mu);
+    grpc_exec_ctx_enqueue(exec_ctx, closure, 0);
+  }
+}
+
 static const grpc_lb_policy_vtable round_robin_lb_policy_vtable = {
-    rr_destroy, rr_shutdown, rr_pick, rr_cancel_pick, rr_exit_idle,
+    rr_destroy, rr_shutdown, rr_pick, rr_cancel_pick, rr_ping_one, rr_exit_idle,
     rr_check_connectivity, rr_notify_on_state_change};
 
 static void round_robin_factory_ref(grpc_lb_policy_factory *factory) {}

src/core/client_config/lb_policy.c

@@ -116,6 +116,11 @@ void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
   policy->vtable->exit_idle(exec_ctx, policy);
 }
 
+void grpc_lb_policy_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                             grpc_closure *closure) {
+  policy->vtable->ping_one(exec_ctx, policy, closure);
+}
+
 void grpc_lb_policy_notify_on_state_change(grpc_exec_ctx *exec_ctx,
                                            grpc_lb_policy *policy,
                                            grpc_connectivity_state *state,

src/core/client_config/lb_policy.h

@@ -63,6 +63,9 @@ struct grpc_lb_policy_vtable {
   void (*cancel_pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                       grpc_connected_subchannel **target);
 
+  void (*ping_one)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                   grpc_closure *closure);
+
   /** try to enter a READY connectivity state */
   void (*exit_idle)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
 
@@ -121,6 +124,9 @@ int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                         grpc_connected_subchannel **target,
                         grpc_closure *on_complete);
 
+void grpc_lb_policy_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                             grpc_closure *closure);
+
 void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                                 grpc_connected_subchannel **target);
 

src/core/client_config/subchannel.c

@@ -461,6 +461,17 @@ void grpc_connected_subchannel_notify_on_state_change(
                                 closure);
 }
 
+void grpc_connected_subchannel_ping(grpc_exec_ctx *exec_ctx,
+                                    grpc_connected_subchannel *con,
+                                    grpc_closure *closure) {
+  grpc_transport_op op;
+  grpc_channel_element *elem;
+  memset(&op, 0, sizeof(op));
+  op.send_ping = closure;
+  elem = grpc_channel_stack_element(CHANNEL_STACK_FROM_CONNECTION(con), 0);
+  elem->filter->start_transport_op(exec_ctx, elem, &op);
+}
+
 static void publish_transport(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
   size_t channel_stack_size;
   grpc_connected_subchannel *con;

src/core/client_config/subchannel.h

@@ -124,6 +124,9 @@ void grpc_connected_subchannel_notify_on_state_change(
     grpc_exec_ctx *exec_ctx, grpc_connected_subchannel *channel,
     grpc_pollset_set *interested_parties, grpc_connectivity_state *state,
     grpc_closure *notify);
+void grpc_connected_subchannel_ping(grpc_exec_ctx *exec_ctx,
+                                    grpc_connected_subchannel *channel,
+                                    grpc_closure *notify);
 
 /** retrieve the grpc_connected_subchannel - or NULL if called before
     the subchannel becomes connected */

src/core/iomgr/udp_server.c

@@ -38,6 +38,7 @@
 
 #include <grpc/support/port_platform.h>
 
+#ifdef GRPC_NEED_UDP
 #ifdef GPR_POSIX_SOCKET
 
 #include "src/core/iomgr/udp_server.h"
@@ -435,3 +436,4 @@ void grpc_udp_server_write(server_port *sp, const char *buffer, size_t buf_len,
 }
 
 #endif
+#endif

src/core/surface/channel_ping.c

@@ -0,0 +1,79 @@
+/*
+ *
+ * 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 "src/core/surface/channel.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/surface/api_trace.h"
+#include "src/core/surface/completion_queue.h"
+
+typedef struct {
+  grpc_closure closure;
+  void *tag;
+  grpc_completion_queue *cq;
+  grpc_cq_completion completion_storage;
+} ping_result;
+
+static void ping_destroy(grpc_exec_ctx *exec_ctx, void *arg,
+                         grpc_cq_completion *storage) {
+  gpr_free(arg);
+}
+
+static void ping_done(grpc_exec_ctx *exec_ctx, void *arg, int success) {
+  ping_result *pr = arg;
+  grpc_cq_end_op(exec_ctx, pr->cq, pr->tag, success, ping_destroy, pr,
+                 &pr->completion_storage);
+}
+
+void grpc_channel_ping(grpc_channel *channel, grpc_completion_queue *cq,
+                       void *tag, void *reserved) {
+  grpc_transport_op op;
+  ping_result *pr = gpr_malloc(sizeof(*pr));
+  grpc_channel_element *top_elem =
+      grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0);
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  GPR_ASSERT(reserved == NULL);
+  memset(&op, 0, sizeof(op));
+  pr->tag = tag;
+  pr->cq = cq;
+  grpc_closure_init(&pr->closure, ping_done, pr);
+  op.send_ping = &pr->closure;
+  op.bind_pollset = grpc_cq_pollset(cq);
+  grpc_cq_begin_op(cq);
+  top_elem->filter->start_transport_op(&exec_ctx, top_elem, &op);
+  grpc_exec_ctx_finish(&exec_ctx);
+}

src/core/surface/secure_channel_create.c

@@ -304,22 +304,22 @@ grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds,
   f->master = channel;
   GRPC_CHANNEL_INTERNAL_REF(channel, "subchannel_factory");
   resolver = grpc_resolver_create(target, &f->base);
-  if (!resolver) {
+  if (resolver) {
-    grpc_exec_ctx_finish(&exec_ctx);
+    grpc_client_channel_set_resolver(
-    return NULL;
+        &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
+    GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "create");
   }
-
-  grpc_client_channel_set_resolver(
-      &exec_ctx, grpc_channel_get_channel_stack(channel), resolver);
-  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "create");
   grpc_subchannel_factory_unref(&exec_ctx, &f->base);
   GRPC_SECURITY_CONNECTOR_UNREF(&security_connector->base, "channel_create");
-
   grpc_channel_args_destroy(args_copy);
   if (new_args_from_connector != NULL) {
     grpc_channel_args_destroy(new_args_from_connector);
   }
 
+  if (!resolver) {
+    GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, channel, "subchannel_factory");
+    channel = NULL;
+  }
   grpc_exec_ctx_finish(&exec_ctx);
 
   return channel;

src/core/transport/chttp2/frame_ping.c

@@ -76,7 +76,6 @@ grpc_chttp2_parse_error grpc_chttp2_ping_parser_parse(
   gpr_uint8 *const end = GPR_SLICE_END_PTR(slice);
   gpr_uint8 *cur = beg;
   grpc_chttp2_ping_parser *p = parser;
-  grpc_chttp2_outstanding_ping *ping;
 
   while (p->byte != 8 && cur != end) {
     p->opaque_8bytes[p->byte] = *cur;
@@ -87,15 +86,7 @@ grpc_chttp2_parse_error grpc_chttp2_ping_parser_parse(
   if (p->byte == 8) {
     GPR_ASSERT(is_last);
     if (p->is_ack) {
-      for (ping = transport_parsing->pings.next;
+      grpc_chttp2_ack_ping(exec_ctx, transport_parsing, p->opaque_8bytes);
-           ping != &transport_parsing->pings; ping = ping->next) {
-        if (0 == memcmp(p->opaque_8bytes, ping->id, 8)) {
-          grpc_exec_ctx_enqueue(exec_ctx, ping->on_recv, 1);
-        }
-        ping->next->prev = ping->prev;
-        ping->prev->next = ping->next;
-        gpr_free(ping);
-      }
     } else {
       gpr_slice_buffer_add(&transport_parsing->qbuf,
                            grpc_chttp2_ping_create(1, p->opaque_8bytes));

src/core/transport/chttp2/internal.h

@@ -283,9 +283,6 @@ struct grpc_chttp2_transport_parsing {
   gpr_slice goaway_text;
 
   gpr_int64 outgoing_window;
-
-  /** pings awaiting responses */
-  grpc_chttp2_outstanding_ping pings;
 };
 
 struct grpc_chttp2_transport {
@@ -747,4 +744,8 @@ void grpc_chttp2_incoming_byte_stream_push(grpc_exec_ctx *exec_ctx,
 void grpc_chttp2_incoming_byte_stream_finished(
     grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs);
 
+void grpc_chttp2_ack_ping(grpc_exec_ctx *exec_ctx,
+                          grpc_chttp2_transport_parsing *parsing,
+                          const gpr_uint8 *opaque_8bytes);
+
 #endif

src/core/transport/chttp2_transport.c

@@ -901,6 +901,26 @@ static void send_ping_locked(grpc_chttp2_transport *t, grpc_closure *on_recv) {
   gpr_slice_buffer_add(&t->global.qbuf, grpc_chttp2_ping_create(0, p->id));
 }
 
+void grpc_chttp2_ack_ping(grpc_exec_ctx *exec_ctx,
+                          grpc_chttp2_transport_parsing *transport_parsing,
+                          const gpr_uint8 *opaque_8bytes) {
+  grpc_chttp2_outstanding_ping *ping;
+  grpc_chttp2_transport *t = TRANSPORT_FROM_PARSING(transport_parsing);
+  grpc_chttp2_transport_global *transport_global = &t->global;
+  lock(t);
+  for (ping = transport_global->pings.next; ping != &transport_global->pings;
+       ping = ping->next) {
+    if (0 == memcmp(opaque_8bytes, ping->id, 8)) {
+      grpc_exec_ctx_enqueue(exec_ctx, ping->on_recv, 1);
+      ping->next->prev = ping->prev;
+      ping->prev->next = ping->next;
+      gpr_free(ping);
+      break;
+    }
+  }
+  unlock(exec_ctx, t);
+}
+
 static void perform_transport_op(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
                                  grpc_transport_op *op) {
   grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt;

src/csharp/Grpc.Core.Tests/CallOptionsTest.cs

@@ -0,0 +1,88 @@
+#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 Grpc.Core;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+
+namespace Grpc.Core.Tests
+{
+    public class CallOptionsTest
+    {
+        [Test]
+        public void WithMethods()
+        {
+            var options = new CallOptions();
+            
+            var metadata = new Metadata();
+            Assert.AreSame(metadata, options.WithHeaders(metadata).Headers);
+
+            var deadline = DateTime.UtcNow;
+            Assert.AreEqual(deadline, options.WithDeadline(deadline).Deadline.Value);
+
+            var token = new CancellationTokenSource().Token;
+            Assert.AreEqual(token, options.WithCancellationToken(token).CancellationToken);
+
+            // Change original instance is unchanged.
+            Assert.IsNull(options.Headers);
+            Assert.IsNull(options.Deadline);
+            Assert.AreEqual(CancellationToken.None, options.CancellationToken);
+            Assert.IsNull(options.WriteOptions);
+            Assert.IsNull(options.PropagationToken);
+            Assert.IsNull(options.Credentials);
+        }
+
+        [Test]
+        public void Normalize()
+        {
+            Assert.AreSame(Metadata.Empty, new CallOptions().Normalize().Headers);
+            Assert.AreEqual(DateTime.MaxValue, new CallOptions().Normalize().Deadline.Value);
+
+            var deadline = DateTime.UtcNow;
+            var propagationToken1 = new ContextPropagationToken(CallSafeHandle.NullInstance, deadline, CancellationToken.None,
+                new ContextPropagationOptions(propagateDeadline: true, propagateCancellation: false));
+            Assert.AreEqual(deadline, new CallOptions(propagationToken: propagationToken1).Normalize().Deadline.Value);
+            Assert.Throws(typeof(ArgumentException), () => new CallOptions(deadline: deadline, propagationToken: propagationToken1).Normalize());
+
+            var token = new CancellationTokenSource().Token;
+            var propagationToken2 = new ContextPropagationToken(CallSafeHandle.NullInstance, deadline, token,
+                new ContextPropagationOptions(propagateDeadline: false, propagateCancellation: true));
+            Assert.AreEqual(token, new CallOptions(propagationToken: propagationToken2).Normalize().CancellationToken);
+            Assert.Throws(typeof(ArgumentException), () => new CallOptions(cancellationToken: token, propagationToken: propagationToken2).Normalize());
+        }
+    }
+}

src/csharp/Grpc.Core.Tests/ChannelOptionsTest.cs

@@ -38,7 +38,7 @@ using Grpc.Core.Internal;
 using Grpc.Core.Utils;
 using NUnit.Framework;
 
-namespace Grpc.Core.Internal.Tests
+namespace Grpc.Core.Tests
 {
     public class ChannelOptionsTest
     {

src/csharp/Grpc.Core.Tests/ClientServerTest.cs

@@ -32,6 +32,7 @@
 #endregion
 
 using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Threading;
@@ -144,6 +145,48 @@ namespace Grpc.Core.Tests
             var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall());
             await call.RequestStream.WriteAllAsync(new string[] { "A", "B", "C" });
             Assert.AreEqual("ABC", await call.ResponseAsync);
+
+            Assert.AreEqual(StatusCode.OK, call.GetStatus().StatusCode);
+            Assert.IsNotNull(call.GetTrailers());
+        }
+
+        [Test]
+        public async Task ServerStreamingCall()
+        {
+            helper.ServerStreamingHandler = new ServerStreamingServerMethod<string, string>(async (request, responseStream, context) =>
+            {
+                foreach (string response in request.Split(new []{' '}))
+                {
+                    await responseStream.WriteAsync(response);
+                }
+                context.ResponseTrailers.Add("xyz", "");
+            });
+
+            var call = Calls.AsyncServerStreamingCall(helper.CreateServerStreamingCall(), "A B C");
+            CollectionAssert.AreEqual(new string[] { "A", "B", "C" }, await call.ResponseStream.ToListAsync());
+
+            Assert.AreEqual(StatusCode.OK, call.GetStatus().StatusCode);
+            Assert.IsNotNull("xyz", call.GetTrailers()[0].Key);
+        }
+
+        [Test]
+        public async Task DuplexStreamingCall()
+        {
+            helper.DuplexStreamingHandler = new DuplexStreamingServerMethod<string, string>(async (requestStream, responseStream, context) =>
+            {
+                while (await requestStream.MoveNext())
+                {
+                    await responseStream.WriteAsync(requestStream.Current);
+                }
+                context.ResponseTrailers.Add("xyz", "xyz-value");
+            });
+
+            var call = Calls.AsyncDuplexStreamingCall(helper.CreateDuplexStreamingCall());
+            await call.RequestStream.WriteAllAsync(new string[] { "A", "B", "C" });
+            CollectionAssert.AreEqual(new string[] { "A", "B", "C" }, await call.ResponseStream.ToListAsync());
+
+            Assert.AreEqual(StatusCode.OK, call.GetStatus().StatusCode);
+            Assert.IsNotNull("xyz-value", call.GetTrailers()[0].Value);
         }
 
         [Test]
@@ -219,7 +262,7 @@ namespace Grpc.Core.Tests
         }
 
         [Test]
-        public void PeerInfoPresent()
+        public void ServerCallContext_PeerInfoPresent()
         {
             helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) =>
             {
@@ -230,6 +273,18 @@ namespace Grpc.Core.Tests
             Assert.IsTrue(peer.Contains(Host));
         }
 
+        [Test]
+        public void ServerCallContext_HostAndMethodPresent()
+        {
+            helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) =>
+            {
+                Assert.IsTrue(context.Host.Contains(Host));
+                Assert.AreEqual("/tests.Test/Unary", context.Method);
+                return "PASS";
+            });
+            Assert.AreEqual("PASS", Calls.BlockingUnaryCall(helper.CreateUnaryCall(), "abc"));
+        }
+
         [Test]
         public async Task Channel_WaitForStateChangedAsync()
         {

src/csharp/Grpc.Core.Tests/ContextPropagationTest.cs

@@ -69,11 +69,19 @@ namespace Grpc.Core.Tests
         [Test]
         public async Task PropagateCancellation()
         {
+            var readyToCancelTcs = new TaskCompletionSource<object>();
+            var successTcs = new TaskCompletionSource<string>();
+
             helper.UnaryHandler = new UnaryServerMethod<string, string>(async (request, context) =>
             {
-                // check that we didn't obtain the default cancellation token.
+                readyToCancelTcs.SetResult(null);  // child call running, ready to parent call
-                Assert.IsTrue(context.CancellationToken.CanBeCanceled);
+
-                return "PASS";
+                while (!context.CancellationToken.IsCancellationRequested)
+                {
+                    await Task.Delay(10);
+                }
+                successTcs.SetResult("CHILD_CALL_CANCELLED");
+                return "";
             });
 
             helper.ClientStreamingHandler = new ClientStreamingServerMethod<string, string>(async (requestStream, context) =>
@@ -82,13 +90,23 @@ namespace Grpc.Core.Tests
                 Assert.IsNotNull(propagationToken.ParentCall);
 
                 var callOptions = new CallOptions(propagationToken: propagationToken);
-                return await Calls.AsyncUnaryCall(helper.CreateUnaryCall(callOptions), "xyz");
+                try
+                {
+                    await Calls.AsyncUnaryCall(helper.CreateUnaryCall(callOptions), "xyz");
+                }
+                catch(RpcException)
+                {
+                    // Child call will get cancelled, eat the exception.
+                }
+                return "";
             });
                 
             var cts = new CancellationTokenSource();
-            var call = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall(new CallOptions(cancellationToken: cts.Token)));
+            var parentCall = Calls.AsyncClientStreamingCall(helper.CreateClientStreamingCall(new CallOptions(cancellationToken: cts.Token)));
-            await call.RequestStream.CompleteAsync();
+            await readyToCancelTcs.Task;
-            Assert.AreEqual("PASS", await call);
+            cts.Cancel();
+            Assert.Throws(typeof(RpcException), async () => await parentCall);
+            Assert.AreEqual("CHILD_CALL_CANCELLED", await successTcs.Task);
         }
 
         [Test]

src/csharp/Grpc.Core.Tests/Grpc.Core.Tests.csproj

@@ -64,6 +64,7 @@
       <Link>Version.cs</Link>
     </Compile>
     <Compile Include="CallCredentialsTest.cs" />
+    <Compile Include="CallOptionsTest.cs" />
     <Compile Include="UserAgentStringTest.cs" />
     <Compile Include="FakeCredentials.cs" />
     <Compile Include="MarshallingErrorsTest.cs" />

src/csharp/Grpc.Core/CallOptions.cs

@@ -184,6 +184,7 @@ namespace Grpc.Core
                 {
                     Preconditions.CheckArgument(!newOptions.cancellationToken.CanBeCanceled,
                         "Cannot propagate cancellation token from parent call. The cancellation token has already been set to a non-default value.");
+                    newOptions.cancellationToken = propagationToken.ParentCancellationToken;
                 }
             }
                 

src/csharp/Grpc.Core/Internal/AsyncCallBase.cs

@@ -238,20 +238,6 @@ namespace Grpc.Core.Internal
             }
         }
 
-        protected Exception TrySerialize(TWrite msg, out byte[] payload)
-        {
-            try
-            {
-                payload = serializer(msg);
-                return null;
-            }
-            catch (Exception e)
-            {
-                payload = null;
-                return e;
-            }
-        }
-
         protected Exception TryDeserialize(byte[] payload, out TRead msg)
         {
             using (Profilers.ForCurrentThread().NewScope("AsyncCallBase.TryDeserialize"))

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

@@ -83,6 +83,7 @@
     <Compile Include="..\Grpc.Core\Version.cs">
       <Link>Version.cs</Link>
     </Compile>
+    <Compile Include="HeaderInterceptorTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Empty.cs" />
     <Compile Include="Messages.cs" />

src/csharp/Grpc.IntegrationTesting/HeaderInterceptorTest.cs

@@ -0,0 +1,113 @@
+#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
+{
+    public class HeaderInterceptorTest
+    {
+        const string Host = "localhost";
+        Server server;
+        Channel channel;
+        TestService.TestServiceClient client;
+
+        [TestFixtureSetUp]
+        public void Init()
+        {
+            server = new Server
+            {
+                Services = { TestService.BindService(new TestServiceImpl()) },
+                Ports = { { Host, ServerPort.PickUnused, ServerCredentials.Insecure } }
+            };
+            server.Start();
+
+            channel = new Channel(Host, server.Ports.Single().BoundPort, ChannelCredentials.Insecure);
+            client = TestService.NewClient(channel);
+        }
+
+        [TestFixtureTearDown]
+        public void Cleanup()
+        {
+            channel.ShutdownAsync().Wait();
+            server.ShutdownAsync().Wait();
+        }
+
+        [Test]
+        public async Task HeaderInterceptor_CreateMetadata()
+        {
+            var key = "x-grpc-test-echo-initial";
+            client.HeaderInterceptor = new HeaderInterceptor((method, metadata) =>
+            {
+                metadata.Add(key, "ABC");
+            });
+
+            var call = client.UnaryCallAsync(new SimpleRequest());
+            await call;
+
+           var responseHeaders = await call.ResponseHeadersAsync;
+           Assert.AreEqual("ABC", responseHeaders.First((entry) => entry.Key == key).Value);
+        }
+
+        [Test]
+        public async Task HeaderInterceptor_AppendMetadata()
+        {
+            var initialKey = "x-grpc-test-echo-initial";
+            var trailingKey = "x-grpc-test-echo-trailing-bin";
+
+            client.HeaderInterceptor = new HeaderInterceptor((method, metadata) =>
+            {
+                metadata.Add(initialKey, "ABC");
+            });
+
+            var headers = new Metadata
+            {
+                { trailingKey, new byte[] {0xaa} }
+            };
+            var call = client.UnaryCallAsync(new SimpleRequest(), headers: headers);
+            await call;
+
+            var responseHeaders = await call.ResponseHeadersAsync;
+            Assert.AreEqual("ABC", responseHeaders.First((entry) => entry.Key == initialKey).Value);
+            CollectionAssert.AreEqual(new byte[] {0xaa}, call.GetTrailers().First((entry) => entry.Key == trailingKey).ValueBytes);
+        }
+    }
+}

src/python/grpcio/tests/interop/client.py

@@ -90,7 +90,7 @@ def _stub(args):
     if args.use_test_ca:
       root_certificates = resources.test_root_certificates()
     else:
-      root_certificates = resources.prod_root_certificates()
+      root_certificates = None  # will load default roots.
 
     channel = test_utilities.not_really_secure_channel(
         args.server_host, args.server_port,

src/python/grpcio/tests/interop/resources.py

@@ -44,10 +44,6 @@ def test_root_certificates():
       __name__, _ROOT_CERTIFICATES_RESOURCE_PATH)
 
 
-def prod_root_certificates():
-  return open(os.environ['SSL_CERT_FILE'], mode='rb').read()
-
-
 def private_key():
   return pkg_resources.resource_string(__name__, _PRIVATE_KEY_RESOURCE_PATH)
 

src/python/grpcio/tests/unit/resources.py

@@ -43,10 +43,6 @@ def test_root_certificates():
       __name__, _ROOT_CERTIFICATES_RESOURCE_PATH)
 
 
-def prod_root_certificates():
-  return open(os.environ['SSL_CERT_FILE'], mode='rb').read()
-
-
 def private_key():
   return pkg_resources.resource_string(__name__, _PRIVATE_KEY_RESOURCE_PATH)
 

src/ruby/bin/apis/pubsub_demo.rb

@@ -32,7 +32,6 @@
 # pubsub_demo demos accesses the Google PubSub API via its gRPC interface
 #
 # $ GOOGLE_APPLICATION_CREDENTIALS=<path_to_service_account_key_file> \
-#   SSL_CERT_FILE=<path/to/ssl/certs> \
 #   path/to/pubsub_demo.rb \
 #   [--action=<chosen_demo_action> ]
 #
@@ -55,18 +54,9 @@ require 'google/protobuf/empty'
 require 'tech/pubsub/proto/pubsub'
 require 'tech/pubsub/proto/pubsub_services'
 
-# loads the certificates used to access the test server securely.
-def load_prod_cert
-  fail 'could not find a production cert' if ENV['SSL_CERT_FILE'].nil?
-  p "loading prod certs from #{ENV['SSL_CERT_FILE']}"
-  File.open(ENV['SSL_CERT_FILE']) do |f|
-    return f.read
-  end
-end
-
 # creates a SSL Credentials from the production certificates.
 def ssl_creds
-  GRPC::Core::ChannelCredentials.new(load_prod_cert)
+  GRPC::Core::ChannelCredentials.new()
 end
 
 # Builds the metadata authentication update proc.

src/ruby/ext/grpc/rb_channel_credentials.c

@@ -148,11 +148,13 @@ static ID id_pem_cert_chain;
 
 /*
   call-seq:
-    creds1 = Credentials.new(pem_root_certs)
+    creds1 = Credentials.new()
     ...
-    creds2 = Credentials.new(pem_root_certs, pem_private_key,
+    creds2 = Credentials.new(pem_root_certs)
+    ...
+    creds3 = Credentials.new(pem_root_certs, pem_private_key,
                              pem_cert_chain)
-    pem_root_certs: (required) PEM encoding of the server root certificate
+    pem_root_certs: (optional) PEM encoding of the server root certificate
     pem_private_key: (optional) PEM encoding of the client's private key
     pem_cert_chain: (optional) PEM encoding of the client's cert chain
     Initializes Credential instances. */
@@ -163,26 +165,23 @@ static VALUE grpc_rb_channel_credentials_init(int argc, VALUE *argv, VALUE self)
   grpc_rb_channel_credentials *wrapper = NULL;
   grpc_channel_credentials *creds = NULL;
   grpc_ssl_pem_key_cert_pair key_cert_pair;
+  const char *pem_root_certs_cstr = NULL;
   MEMZERO(&key_cert_pair, grpc_ssl_pem_key_cert_pair, 1);
-  /* TODO: Remove mandatory arg when we support default roots. */
+  /* "03" == no mandatory arg, 3 optional */
-  /* "12" == 1 mandatory arg, 2 (credentials) is optional */
+  rb_scan_args(argc, argv, "03", &pem_root_certs, &pem_private_key,
-  rb_scan_args(argc, argv, "12", &pem_root_certs, &pem_private_key,
                &pem_cert_chain);
 
   TypedData_Get_Struct(self, grpc_rb_channel_credentials,
                        &grpc_rb_channel_credentials_data_type, wrapper);
-  if (pem_root_certs == Qnil) {
+  if (pem_root_certs != Qnil) {
-    rb_raise(rb_eRuntimeError,
+    pem_root_certs_cstr = RSTRING_PTR(pem_root_certs);
-             "could not create a credential: nil pem_root_certs");
-    return Qnil;
   }
   if (pem_private_key == Qnil && pem_cert_chain == Qnil) {
-    creds =
+    creds = grpc_ssl_credentials_create(pem_root_certs_cstr, NULL, NULL);
-        grpc_ssl_credentials_create(RSTRING_PTR(pem_root_certs), NULL, NULL);
   } else {
     key_cert_pair.private_key = RSTRING_PTR(pem_private_key);
     key_cert_pair.cert_chain = RSTRING_PTR(pem_cert_chain);
-    creds = grpc_ssl_credentials_create(RSTRING_PTR(pem_root_certs),
+    creds = grpc_ssl_credentials_create(pem_root_certs_cstr,
                                         &key_cert_pair, NULL);
   }
   if (creds == NULL) {

src/ruby/lib/grpc/generic/rpc_server.rb

@@ -48,6 +48,8 @@ module GRPC
         return false
       when 'TERM'
         return false
+      when nil
+        return true
       end
     end
     true

src/ruby/pb/test/client.rb

@@ -93,13 +93,6 @@ def load_test_certs
   files.map { |f| File.open(File.join(data_dir, f)).read }
 end
 
-# loads the certificates used to access the test server securely.
-def load_prod_cert
-  fail 'could not find a production cert' if ENV['SSL_CERT_FILE'].nil?
-  GRPC.logger.info("loading prod certs from #{ENV['SSL_CERT_FILE']}")
-  File.open(ENV['SSL_CERT_FILE']).read
-end
-
 # creates SSL Credentials from the test certificates.
 def test_creds
   certs = load_test_certs
@@ -108,8 +101,7 @@ end
 
 # creates SSL Credentials from the production certificates.
 def prod_creds
-  cert_text = load_prod_cert
+  GRPC::Core::ChannelCredentials.new()
-  GRPC::Core::ChannelCredentials.new(cert_text)
 end
 
 # creates the SSL Credentials.

src/ruby/spec/channel_credentials_spec.rb

@@ -54,10 +54,15 @@ describe GRPC::Core::ChannelCredentials do
       expect { ChannelCredentials.new(root_cert) }.not_to raise_error
     end
 
-    it 'cannot be constructed with a nil server roots' do
+    it 'can be constructed with a nil server roots' do
       _, client_key, client_chain = load_test_certs
       blk = proc { ChannelCredentials.new(nil, client_key, client_chain) }
-      expect(&blk).to raise_error
+      expect(&blk).not_to raise_error
+    end
+
+    it 'can be constructed with no params' do
+      blk = proc { ChannelCredentials.new(nil) }
+      expect(&blk).not_to raise_error
     end
   end
 end

test/core/bad_client/tests/initial_settings_frame.c

@@ -94,7 +94,7 @@ int main(int argc, char **argv) {
   /* some settings values are illegal */
   /* max frame size = 0 */
   GRPC_RUN_BAD_CLIENT_TEST(verifier,
-                           PFX_STR ONE_SETTING_HDR "\x00\x05\x00\x00\x00\x00", 
+                           PFX_STR ONE_SETTING_HDR "\x00\x05\x00\x00\x00\x00",
                            GRPC_BAD_CLIENT_DISCONNECT);
   GRPC_RUN_BAD_CLIENT_TEST(verifier,
                            PFX_STR ONE_SETTING_HDR "\x00\x06\xff\xff\xff\xff", 

test/core/client_config/resolvers/sockaddr_resolver_test.c

@@ -0,0 +1,115 @@
+/*
+ *
+ * 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 "src/core/client_config/resolvers/sockaddr_resolver.h"
+
+#include <string.h>
+
+#include <grpc/support/log.h>
+
+#include "src/core/client_config/resolver.h"
+#include "test/core/util/test_config.h"
+
+static void subchannel_factory_ref(grpc_subchannel_factory *scv) {}
+static void subchannel_factory_unref(grpc_exec_ctx *exec_ctx, 
+                                     grpc_subchannel_factory *scv) {}
+static grpc_subchannel *subchannel_factory_create_subchannel(grpc_exec_ctx *exec_ctx,
+                                                             grpc_subchannel_factory *factory,
+                                                             grpc_subchannel_args *args) {
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static const grpc_subchannel_factory_vtable sc_vtable = {
+  subchannel_factory_ref,
+  subchannel_factory_unref,
+  subchannel_factory_create_subchannel
+};
+
+static grpc_subchannel_factory sc_factory = { &sc_vtable };
+
+static void test_succeeds(grpc_resolver_factory *factory, const char *string) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_uri *uri = grpc_uri_parse(string, 0);
+  grpc_resolver_args args;
+  grpc_resolver *resolver;
+  gpr_log(GPR_DEBUG, "test: '%s' should be valid for '%s'", string, factory->vtable->scheme);
+  GPR_ASSERT(uri);
+  memset(&args, 0, sizeof(args));
+  args.uri = uri;
+  args.subchannel_factory = &sc_factory;
+  resolver = grpc_resolver_factory_create_resolver(factory, &args);
+  GPR_ASSERT(resolver != NULL);
+  GRPC_RESOLVER_UNREF(&exec_ctx, resolver, "test_succeeds");
+  grpc_uri_destroy(uri);
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static void test_fails(grpc_resolver_factory *factory, const char *string) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_uri *uri = grpc_uri_parse(string, 0);
+  grpc_resolver_args args;
+  grpc_resolver *resolver;
+  gpr_log(GPR_DEBUG, "test: '%s' should be invalid for '%s'", string, factory->vtable->scheme);
+  GPR_ASSERT(uri);
+  memset(&args, 0, sizeof(args));
+  args.uri = uri;
+  resolver = grpc_resolver_factory_create_resolver(factory, &args);
+  GPR_ASSERT(resolver == NULL);
+  grpc_uri_destroy(uri);
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+int main(int argc, char **argv) {
+  grpc_resolver_factory *ipv4, *ipv6;
+  grpc_test_init(argc, argv);
+
+  ipv4 = grpc_ipv4_resolver_factory_create();
+  ipv6 = grpc_ipv6_resolver_factory_create();
+
+  test_fails(ipv4, "ipv4:10.2.1.1");
+  test_succeeds(ipv4, "ipv4:10.2.1.1:1234");
+  test_fails(ipv4, "ipv4:10.2.1.1:123456");
+  test_fails(ipv4, "ipv4:www.google.com");
+  test_fails(ipv4, "ipv4:[");
+  test_fails(ipv4, "ipv4://8.8.8.8/8.8.8.8:8888");
+
+  test_fails(ipv6, "ipv6:[");
+  test_fails(ipv6, "ipv6:[::]");
+  test_succeeds(ipv6, "ipv6:[::]:1234");
+  test_fails(ipv6, "ipv6:[::]:123456");
+
+  grpc_resolver_factory_unref(ipv4);
+  grpc_resolver_factory_unref(ipv6);
+
+  return 0;
+}

test/core/end2end/gen_build_yaml.py

@@ -93,6 +93,7 @@ END2END_TESTS = {
     'cancel_in_a_vacuum': default_test_options,
     'cancel_with_status': default_test_options,
     'channel_connectivity': connectivity_test_options._replace(proxyable=False),
+    'channel_ping': connectivity_test_options._replace(proxyable=False),
     'compressed_payload': default_test_options._replace(proxyable=False),
     'default_host': default_test_options._replace(needs_fullstack=True,
                                                   needs_dns=True),

test/core/end2end/tests/channel_ping.c

@@ -0,0 +1,97 @@
+/*
+ *
+ * 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 <grpc/support/log.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
+#include <grpc/support/time.h>
+
+#include "test/core/end2end/cq_verifier.h"
+
+static void *tag(gpr_intptr t) { return (void *)t; }
+
+static void test_ping(grpc_end2end_test_config config) {
+  grpc_end2end_test_fixture f = config.create_fixture(NULL, NULL);
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
+  int i;
+
+  config.init_client(&f, NULL);
+  config.init_server(&f, NULL);
+
+  grpc_channel_ping(f.client, f.cq, tag(0), NULL);
+  cq_expect_completion(cqv, tag(0), 0);
+
+  /* check that we're still in idle, and start connecting */
+  GPR_ASSERT(grpc_channel_check_connectivity_state(f.client, 1) ==
+             GRPC_CHANNEL_IDLE);
+  /* we'll go through some set of transitions (some might be missed), until
+     READY is reached */
+  while (state != GRPC_CHANNEL_READY) {
+    grpc_channel_watch_connectivity_state(
+        f.client, state, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3), f.cq, tag(99));
+    cq_expect_completion(cqv, tag(99), 1);
+    cq_verify(cqv);
+    state = grpc_channel_check_connectivity_state(f.client, 0);
+    GPR_ASSERT(state == GRPC_CHANNEL_READY ||
+               state == GRPC_CHANNEL_CONNECTING ||
+               state == GRPC_CHANNEL_TRANSIENT_FAILURE);
+  }
+
+  for (i = 1; i <= 5; i++) {
+    grpc_channel_ping(f.client, f.cq, tag(i), NULL);
+    cq_expect_completion(cqv, tag(i), 1);
+    cq_verify(cqv);
+  }
+
+  grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead));
+  cq_expect_completion(cqv, tag(0xdead), 1);
+  cq_verify(cqv);
+
+  /* cleanup server */
+  grpc_server_destroy(f.server);
+
+  grpc_channel_destroy(f.client);
+  grpc_completion_queue_shutdown(f.cq);
+  grpc_completion_queue_destroy(f.cq);
+  config.tear_down_data(&f);
+
+  cq_verifier_destroy(cqv);
+}
+
+void grpc_end2end_tests(grpc_end2end_test_config config) {
+  GPR_ASSERT(config.feature_mask & FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION);
+  test_ping(config);
+}

test/core/iomgr/udp_server_test.c

@@ -43,6 +43,8 @@
 #include <string.h>
 #include <unistd.h>
 
+#ifdef GRPC_NEED_UDP
+
 #define LOG_TEST(x) gpr_log(GPR_INFO, "%s", #x)
 
 static grpc_pollset g_pollset;
@@ -195,3 +197,9 @@ int main(int argc, char **argv) {
   grpc_iomgr_shutdown();
   return 0;
 }
+
+#else
+
+int main(int argc, char **argv) { return 0; }
+
+#endif

test/core/json/json_test.c

@@ -160,7 +160,7 @@ static void test_pairs() {
 }
 
 static void test_atypical() {
-  char *scratchpad = gpr_strdup("[[],[]]");
+  char *scratchpad = gpr_strdup("[[],[],[]]");
   grpc_json *json = grpc_json_parse_string(scratchpad);
   grpc_json *brother;
 
@@ -168,7 +168,8 @@ static void test_atypical() {
   GPR_ASSERT(json->child);
   brother = json->child->next;
   grpc_json_destroy(json->child);
-  json->child = brother;
+  GPR_ASSERT(json->child == brother);
+  grpc_json_destroy(json->child->next);
   grpc_json_destroy(json);
   gpr_free(scratchpad);
 }

test/core/security/credentials_test.c

@@ -917,6 +917,7 @@ static char *null_well_known_creds_path_getter(void) {
 static void test_google_default_creds_gce(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_composite_channel_credentials *creds;
+  grpc_channel_credentials *cached_creds;
   grpc_auth_metadata_context auth_md_ctx = {test_service_url, test_method, NULL,
                                             NULL};
   grpc_flush_cached_google_default_credentials();
@@ -942,12 +943,55 @@ static void test_google_default_creds_gce(void) {
   grpc_exec_ctx_flush(&exec_ctx);
   grpc_exec_ctx_finish(&exec_ctx);
 
+  /* Check that we get a cached creds if we call
+     grpc_google_default_credentials_create again.
+     GCE detection should not occur anymore either. */
+  grpc_httpcli_set_override(httpcli_get_should_not_be_called,
+                            httpcli_post_should_not_be_called);
+  cached_creds = grpc_google_default_credentials_create();
+  GPR_ASSERT(cached_creds == &creds->base);
+
   /* Cleanup. */
+  grpc_channel_credentials_release(cached_creds);
   grpc_channel_credentials_release(&creds->base);
   grpc_httpcli_set_override(NULL, NULL);
   grpc_override_well_known_credentials_path_getter(NULL);
 }
 
+static int default_creds_gce_detection_httpcli_get_failure_override(
+    grpc_exec_ctx *exec_ctx, const grpc_httpcli_request *request,
+    gpr_timespec deadline, grpc_httpcli_response_cb on_response,
+    void *user_data) {
+  /* No magic header. */
+  grpc_httpcli_response response = http_response(200, "");
+  GPR_ASSERT(strcmp(request->path, "/") == 0);
+  GPR_ASSERT(strcmp(request->host, "metadata.google.internal") == 0);
+  on_response(exec_ctx, user_data, &response);
+  return 1;
+}
+
+static void test_no_google_default_creds(void) {
+  grpc_flush_cached_google_default_credentials();
+  gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, ""); /* Reset. */
+  grpc_override_well_known_credentials_path_getter(
+      null_well_known_creds_path_getter);
+
+  /* Simulate a successful detection of GCE. */
+  grpc_httpcli_set_override(
+      default_creds_gce_detection_httpcli_get_failure_override,
+      httpcli_post_should_not_be_called);
+  GPR_ASSERT(grpc_google_default_credentials_create() == NULL);
+
+  /* Try a cached one. GCE detection should not occur anymore. */
+  grpc_httpcli_set_override(httpcli_get_should_not_be_called,
+                            httpcli_post_should_not_be_called);
+  GPR_ASSERT(grpc_google_default_credentials_create() == NULL);
+
+  /* Cleanup. */
+  grpc_httpcli_set_override(NULL, NULL);
+  grpc_override_well_known_credentials_path_getter(NULL);
+}
+
 typedef enum {
   PLUGIN_INITIAL_STATE,
   PLUGIN_GET_METADATA_CALLED_STATE,
@@ -1124,6 +1168,7 @@ int main(int argc, char **argv) {
   test_google_default_creds_auth_key();
   test_google_default_creds_refresh_token();
   test_google_default_creds_gce();
+  test_no_google_default_creds();
   test_metadata_plugin_success();
   test_metadata_plugin_failure();
   test_get_well_known_google_credentials_file_path();

test/core/surface/lame_client_test.c

@@ -65,6 +65,10 @@ int main(int argc, char **argv) {
   chan = grpc_lame_client_channel_create(
       "lampoon:national", GRPC_STATUS_UNKNOWN, "Rpc sent on a lame channel.");
   GPR_ASSERT(chan);
+
+  GPR_ASSERT(GRPC_CHANNEL_FATAL_FAILURE ==
+             grpc_channel_check_connectivity_state(chan, 0));
+
   cq = grpc_completion_queue_create(NULL);
 
   call = grpc_channel_create_call(chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq,

test/core/surface/secure_channel_create_test.c

@@ -0,0 +1,95 @@
+/*
+ *
+ * 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 <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/grpc_security.h>
+#include <grpc/support/log.h>
+#include "src/core/client_config/resolver_registry.h"
+#include "src/core/security/credentials.h"
+#include "src/core/security/security_connector.h"
+#include "src/core/surface/channel.h"
+#include "test/core/util/test_config.h"
+
+void test_unknown_scheme_target(void) {
+  grpc_channel *chan;
+  grpc_channel_credentials *creds;
+  grpc_resolver_registry_shutdown();
+  grpc_resolver_registry_init("");
+
+  creds = grpc_fake_transport_security_credentials_create();
+  chan = grpc_secure_channel_create(creds, "blah://blah", NULL, NULL);
+  GPR_ASSERT(chan == NULL);
+  grpc_channel_credentials_unref(creds);
+}
+
+void test_security_connector_already_in_arg(void) {
+  grpc_channel *chan;
+  grpc_channel_element *elem;
+  grpc_channel_args args;
+  grpc_arg arg;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+
+  arg.type = GRPC_ARG_POINTER;
+  arg.value.pointer.p = NULL;
+  arg.key = GRPC_SECURITY_CONNECTOR_ARG;
+  args.num_args = 1;
+  args.args = &arg;
+  chan = grpc_secure_channel_create(NULL, NULL, &args, NULL);
+  elem = grpc_channel_stack_element(grpc_channel_get_channel_stack(chan), 0);
+  GPR_ASSERT(0 == strcmp(elem->filter->name, "lame-client"));
+  GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, chan, "test");
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+void test_null_creds(void) {
+  grpc_channel *chan;
+  grpc_channel_element *elem;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  chan = grpc_secure_channel_create(NULL, NULL, NULL, NULL);
+  elem = grpc_channel_stack_element(grpc_channel_get_channel_stack(chan), 0);
+  GPR_ASSERT(0 == strcmp(elem->filter->name, "lame-client"));
+  GRPC_CHANNEL_INTERNAL_UNREF(&exec_ctx, chan, "test");
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  grpc_init();
+  test_security_connector_already_in_arg();
+  test_null_creds();
+  test_unknown_scheme_target();
+  grpc_shutdown();
+  return 0;
+}

tools/doxygen/Doxyfile.core.internal

@@ -1004,6 +1004,7 @@ src/core/surface/call_log_batch.c \
 src/core/surface/channel.c \
 src/core/surface/channel_connectivity.c \
 src/core/surface/channel_create.c \
+src/core/surface/channel_ping.c \
 src/core/surface/completion_queue.c \
 src/core/surface/event_string.c \
 src/core/surface/init.c \

tools/jenkins/run_performance.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+# 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.
+#
+# This script is invoked by Jenkins and runs performance smoke test.
+set -ex
+
+# Enter the gRPC repo root
+cd $(dirname $0)/../..
+
+config=opt
+
+make CONFIG=$config qps_worker qps_driver -j8
+
+bins/$config/qps_worker -driver_port 10000 &
+PID1=$!
+bins/$config/qps_worker -driver_port 10010 &
+PID2=$!
+
+export QPS_WORKERS="localhost:10000,localhost:10010"
+
+bins/$config/qps_driver $*
+
+kill -2 $PID1 $PID2
+wait

tools/run_tests/run_interop_tests.py

@@ -54,11 +54,6 @@ os.chdir(ROOT)
 
 _DEFAULT_SERVER_PORT=8080
 
-# TOOD(jtattermusch) wrapped languages use this variable for location
-# of roots.pem. We might want to use GRPC_DEFAULT_SSL_ROOTS_FILE_PATH
-# supported by C core SslCredentials instead.
-_SSL_CERT_ENV = { 'SSL_CERT_FILE':'/usr/local/share/grpc/roots.pem' }
-
 _SKIP_COMPRESSION = ['large_compressed_unary',
                      'server_compressed_streaming']
 
@@ -105,7 +100,7 @@ class CSharpLanguage:
     return ['mono', 'Grpc.IntegrationTesting.Client.exe'] + args
 
   def cloud_to_prod_env(self):
-    return _SSL_CERT_ENV
+    return {}
 
   def server_cmd(self, args):
     return ['mono', 'Grpc.IntegrationTesting.Server.exe', '--use_tls=true'] + args
@@ -222,7 +217,7 @@ class NodeLanguage:
     return ['node', 'src/node/interop/interop_client.js'] + args
 
   def cloud_to_prod_env(self):
-    return _SSL_CERT_ENV
+    return {}
 
   def server_cmd(self, args):
     return ['node', 'src/node/interop/interop_server.js', '--use_tls=true'] + args
@@ -250,7 +245,7 @@ class PHPLanguage:
     return ['src/php/bin/interop_client.sh'] + args
 
   def cloud_to_prod_env(self):
-    return _SSL_CERT_ENV
+    return {}
 
   def global_env(self):
     return {}
@@ -276,7 +271,7 @@ class RubyLanguage:
     return ['ruby', 'src/ruby/bin/interop/interop_client.rb'] + args
 
   def cloud_to_prod_env(self):
-    return _SSL_CERT_ENV
+    return {}
 
   def server_cmd(self, args):
     return ['ruby', 'src/ruby/bin/interop/interop_server.rb', '--use_tls=true'] + args
@@ -311,7 +306,7 @@ class PythonLanguage:
     ]
 
   def cloud_to_prod_env(self):
-    return _SSL_CERT_ENV
+    return {}
 
   def server_cmd(self, args):
     return [

tools/run_tests/run_lcov.sh

@@ -33,9 +33,10 @@ set -ex
 out=$(readlink -f ${1:-coverage})
 
 root=$(readlink -f $(dirname $0)/../..)
+shift
 tmp=$(mktemp)
 cd $root
-tools/run_tests/run_tests.py -c gcov -l c c++ || true
+tools/run_tests/run_tests.py -c gcov -l c c++ $@ || true
 lcov --capture --directory . --output-file $tmp
 genhtml $tmp --output-directory $out
 rm $tmp

tools/run_tests/sources_and_headers.json

@@ -934,6 +934,20 @@
       "test/core/iomgr/resolve_address_test.c"
     ]
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "secure_channel_create_test", 
+    "src": [
+      "test/core/surface/secure_channel_create_test.c"
+    ]
+  }, 
   {
     "deps": [
       "gpr", 
@@ -977,6 +991,20 @@
       "test/core/client_config/set_initial_connect_string_test.c"
     ]
   }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "sockaddr_resolver_test", 
+    "src": [
+      "test/core/client_config/resolvers/sockaddr_resolver_test.c"
+    ]
+  }, 
   {
     "deps": [
       "gpr", 
@@ -2080,6 +2108,21 @@
     "name": "h2_census_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_census", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_census_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -2605,6 +2648,21 @@
     "name": "h2_compress_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_compress", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_compress_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -3130,6 +3188,21 @@
     "name": "h2_fakesec_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_fakesec", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_fakesec_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -3655,6 +3728,21 @@
     "name": "h2_full_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_full", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -4180,6 +4268,21 @@
     "name": "h2_full+pipe_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_full+pipe", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+pipe_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -4705,6 +4808,21 @@
     "name": "h2_full+poll_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_full+poll", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+poll_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -5230,6 +5348,21 @@
     "name": "h2_full+poll+pipe_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_full+poll+pipe", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+poll+pipe_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -5755,6 +5888,21 @@
     "name": "h2_oauth2_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_oauth2", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_oauth2_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -8110,6 +8258,21 @@
     "name": "h2_ssl_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_ssl", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_ssl_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -8635,6 +8798,21 @@
     "name": "h2_ssl+poll_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_ssl+poll", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_ssl+poll_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -10075,6 +10253,21 @@
     "name": "h2_uds_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uds", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -10585,6 +10778,21 @@
     "name": "h2_uds+poll_channel_connectivity_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uds+poll", 
+      "end2end_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds+poll_channel_ping_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -11071,6 +11279,20 @@
     "name": "h2_census_channel_connectivity_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_nosec_fixture_h2_census", 
+      "end2end_nosec_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_census_channel_ping_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_nosec_fixture_h2_census", 
@@ -11547,6 +11769,20 @@
     "name": "h2_compress_channel_connectivity_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_nosec_fixture_h2_compress", 
+      "end2end_nosec_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_compress_channel_ping_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_nosec_fixture_h2_compress", 
@@ -12023,6 +12259,20 @@
     "name": "h2_full_channel_connectivity_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_nosec_fixture_h2_full", 
+      "end2end_nosec_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full_channel_ping_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_nosec_fixture_h2_full", 
@@ -12499,6 +12749,20 @@
     "name": "h2_full+pipe_channel_connectivity_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_nosec_fixture_h2_full+pipe", 
+      "end2end_nosec_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+pipe_channel_ping_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_nosec_fixture_h2_full+pipe", 
@@ -12975,6 +13239,20 @@
     "name": "h2_full+poll_channel_connectivity_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_nosec_fixture_h2_full+poll", 
+      "end2end_nosec_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+poll_channel_ping_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_nosec_fixture_h2_full+poll", 
@@ -13451,6 +13729,20 @@
     "name": "h2_full+poll+pipe_channel_connectivity_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_nosec_fixture_h2_full+poll+pipe", 
+      "end2end_nosec_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+poll+pipe_channel_ping_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_nosec_fixture_h2_full+poll+pipe", 
@@ -15999,6 +16291,20 @@
     "name": "h2_uds_channel_connectivity_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_nosec_fixture_h2_uds", 
+      "end2end_nosec_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds_channel_ping_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_nosec_fixture_h2_uds", 
@@ -16461,6 +16767,20 @@
     "name": "h2_uds+poll_channel_connectivity_nosec_test", 
     "src": []
   }, 
+  {
+    "deps": [
+      "end2end_nosec_fixture_h2_uds+poll", 
+      "end2end_nosec_test_channel_ping", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds+poll_channel_ping_nosec_test", 
+    "src": []
+  }, 
   {
     "deps": [
       "end2end_nosec_fixture_h2_uds+poll", 
@@ -17363,6 +17683,7 @@
       "src/core/surface/channel.h", 
       "src/core/surface/channel_connectivity.c", 
       "src/core/surface/channel_create.c", 
+      "src/core/surface/channel_ping.c", 
       "src/core/surface/completion_queue.c", 
       "src/core/surface/completion_queue.h", 
       "src/core/surface/event_string.c", 
@@ -17833,6 +18154,7 @@
       "src/core/surface/channel.h", 
       "src/core/surface/channel_connectivity.c", 
       "src/core/surface/channel_create.c", 
+      "src/core/surface/channel_ping.c", 
       "src/core/surface/completion_queue.c", 
       "src/core/surface/completion_queue.h", 
       "src/core/surface/event_string.c", 
@@ -19225,6 +19547,26 @@
       "test/core/end2end/tests/channel_connectivity.c"
     ]
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h"
+    ], 
+    "language": "c", 
+    "name": "end2end_test_channel_ping", 
+    "src": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h", 
+      "test/core/end2end/tests/channel_ping.c"
+    ]
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -19896,6 +20238,25 @@
       "test/core/end2end/tests/channel_connectivity.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_nosec_test_channel_ping", 
+    "src": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h", 
+      "test/core/end2end/tests/channel_ping.c"
+    ]
+  }, 
   {
     "deps": [
       "gpr", 

tools/run_tests/tests.json

@@ -1061,6 +1061,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "secure_channel_create_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -1115,6 +1133,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "sockaddr_resolver_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -2003,6 +2039,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_channel_ping_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -2633,6 +2687,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_channel_ping_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -3253,6 +3325,23 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_fakesec_channel_ping_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -3858,6 +3947,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_channel_ping_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -4428,6 +4535,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_channel_ping_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -4848,6 +4967,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+poll_channel_ping_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -5268,6 +5399,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+poll+pipe_channel_ping_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -5738,6 +5881,23 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_oauth2_channel_ping_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -8447,6 +8607,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl_channel_ping_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -9017,6 +9195,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_ssl+poll_channel_ping_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -10545,6 +10735,22 @@
       "posix"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_channel_ping_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -11049,6 +11255,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds+poll_channel_ping_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -11499,6 +11717,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_census_channel_ping_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -12111,6 +12347,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_compress_channel_ping_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -12723,6 +12977,24 @@
       "windows"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full_channel_ping_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -13281,6 +13553,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+pipe_channel_ping_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -13689,6 +13973,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+poll_channel_ping_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -14097,6 +14393,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_full+poll+pipe_channel_ping_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"
@@ -17116,6 +17424,22 @@
       "posix"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds_channel_ping_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux", 
@@ -17608,6 +17932,18 @@
       "linux"
     ]
   }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
+    "name": "h2_uds+poll_channel_ping_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
   {
     "ci_platforms": [
       "linux"

vsprojects/buildtests_c.sln

@@ -445,6 +445,18 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_test_channel_connec
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_test_channel_ping", "vcxproj\test\end2end_test_channel_ping\end2end_test_channel_ping.vcxproj", "{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{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}") = "end2end_test_compressed_payload", "vcxproj\test\end2end_test_compressed_payload\end2end_test_compressed_payload.vcxproj", "{B56D9864-8A13-680A-0D15-6DA6E427E8E5}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -844,6 +856,17 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_nosec_test_channel_
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_nosec_test_channel_ping", "vcxproj\test\end2end_nosec_test_channel_ping\end2end_nosec_test_channel_ping.vcxproj", "{39326613-BE6E-7800-EB08-20C0076BF14E}"
+	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_nosec_test_compressed_payload", "vcxproj\test\end2end_nosec_test_compressed_payload\end2end_nosec_test_compressed_payload.vcxproj", "{E9F79306-0E5E-3D31-DC85-9D623F820015}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -1758,6 +1781,17 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "resolve_address_test", "vcx
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "secure_channel_create_test", "vcxproj\test\secure_channel_create_test\secure_channel_create_test.vcxproj", "{62B25398-7173-928E-689E-53860B0ACFC4}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{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}") = "secure_endpoint_test", "vcxproj\test\secure_endpoint_test\secure_endpoint_test.vcxproj", "{A7747106-A6BC-62D4-2A21-04A4F0CC2683}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1792,6 +1826,17 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "set_initial_connect_string_
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "sockaddr_resolver_test", "vcxproj\test\sockaddr_resolver_test\sockaddr_resolver_test.vcxproj", "{9889A80C-F1D7-99C9-FE7E-657724BEDC62}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{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}") = "sockaddr_utils_test", "vcxproj\test\sockaddr_utils_test\sockaddr_utils_test.vcxproj", "{529771F0-10B0-9B1A-1E7E-8A8E01870348}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2031,6 +2076,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_census_channel_connectiv
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_census_channel_ping_test", "vcxproj\test\h2_census_channel_ping_test\h2_census_channel_ping_test.vcxproj", "{65137593-7C9E-8405-189E-766299F514C9}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B347CACD-C099-EA6B-FE2D-4AF35894DD73} = {B347CACD-C099-EA6B-FE2D-4AF35894DD73}
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB} = {FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}
+		{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_census_compressed_payload_test", "vcxproj\test\h2_census_compressed_payload_test\h2_census_compressed_payload_test.vcxproj", "{B9441F3F-E1F0-0B2E-B4FC-AE52ABE46C3F}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2521,6 +2580,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_channel_connect
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_channel_ping_test", "vcxproj\test\h2_compress_channel_ping_test\h2_compress_channel_ping_test.vcxproj", "{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31} = {C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB} = {FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}
+		{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_compressed_payload_test", "vcxproj\test\h2_compress_compressed_payload_test\h2_compress_compressed_payload_test.vcxproj", "{303F8433-916A-1076-4102-09F5ED1B6206}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -3011,6 +3084,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fakesec_channel_connecti
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fakesec_channel_ping_test", "vcxproj\test\h2_fakesec_channel_ping_test\h2_fakesec_channel_ping_test.vcxproj", "{967825BB-799F-1489-AF72-29AC63B39CE2}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{096ABF91-FEC8-9AC9-B877-C683BFD51984} = {096ABF91-FEC8-9AC9-B877-C683BFD51984}
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB} = {FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}
+		{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_compressed_payload_test", "vcxproj\test\h2_fakesec_compressed_payload_test\h2_fakesec_compressed_payload_test.vcxproj", "{C467710B-E67C-AFB5-0E3C-7AEBB78BFE19}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -3501,6 +3588,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_channel_connectivit
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_channel_ping_test", "vcxproj\test\h2_full_channel_ping_test\h2_full_channel_ping_test.vcxproj", "{9828CFEF-A745-F530-47F5-E67DF82AC483}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{882B2933-F340-7027-7090-28CEAE9F1BE6} = {882B2933-F340-7027-7090-28CEAE9F1BE6}
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB} = {FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}
+		{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_compressed_payload_test", "vcxproj\test\h2_full_compressed_payload_test\h2_full_compressed_payload_test.vcxproj", "{0126463B-ECB4-1459-6B69-FC2790B96101}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -3991,6 +4092,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_channel_connectiv
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_channel_ping_test", "vcxproj\test\h2_oauth2_channel_ping_test\h2_oauth2_channel_ping_test.vcxproj", "{18688453-3AA1-786F-1351-11AF6ACFB54E}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{DDFE4EB8-CCD3-DA3F-461A-10F1B94D26AF} = {DDFE4EB8-CCD3-DA3F-461A-10F1B94D26AF}
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB} = {FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}
+		{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_compressed_payload_test", "vcxproj\test\h2_oauth2_compressed_payload_test\h2_oauth2_compressed_payload_test.vcxproj", "{2FEAB01E-B9B0-9A35-676A-551CA0B08B80}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -6189,6 +6304,20 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_channel_connectivity
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_channel_ping_test", "vcxproj\test\h2_ssl_channel_ping_test\h2_ssl_channel_ping_test.vcxproj", "{94132236-E024-7103-81A1-BCEBF2EF7FCB}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{207BE5BC-25D7-1D2A-C76E-279DB66A1205} = {207BE5BC-25D7-1D2A-C76E-279DB66A1205}
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB} = {FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}
+		{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_compressed_payload_test", "vcxproj\test\h2_ssl_compressed_payload_test\h2_ssl_compressed_payload_test.vcxproj", "{AB43C3B6-EED9-FAC0-99F4-954C918A35EB}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -7510,6 +7639,19 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_census_channel_connectiv
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_census_channel_ping_nosec_test", "vcxproj\test\h2_census_channel_ping_nosec_test\h2_census_channel_ping_nosec_test.vcxproj", "{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{74E3C944-32A8-19CC-1CCA-509EA972F43F} = {74E3C944-32A8-19CC-1CCA-509EA972F43F}
+		{39326613-BE6E-7800-EB08-20C0076BF14E} = {39326613-BE6E-7800-EB08-20C0076BF14E}
+		{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_census_compressed_payload_nosec_test", "vcxproj\test\h2_census_compressed_payload_nosec_test\h2_census_compressed_payload_nosec_test.vcxproj", "{4C2F7C09-AF64-FCBE-B6D4-06AFCD2A75B8}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -7952,6 +8094,19 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_channel_connect
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_channel_ping_nosec_test", "vcxproj\test\h2_compress_channel_ping_nosec_test\h2_compress_channel_ping_nosec_test.vcxproj", "{505068F1-C0A0-68DD-5ED8-88B4D16367C3}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{73D2BE55-AA68-56EA-8872-2CDA2F55F0A5} = {73D2BE55-AA68-56EA-8872-2CDA2F55F0A5}
+		{39326613-BE6E-7800-EB08-20C0076BF14E} = {39326613-BE6E-7800-EB08-20C0076BF14E}
+		{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_compressed_payload_nosec_test", "vcxproj\test\h2_compress_compressed_payload_nosec_test\h2_compress_compressed_payload_nosec_test.vcxproj", "{13C0D5F2-1CE0-0D1B-5541-1B4B3AC2ACD9}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -8394,6 +8549,19 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_channel_connectivit
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_channel_ping_nosec_test", "vcxproj\test\h2_full_channel_ping_nosec_test\h2_full_channel_ping_nosec_test.vcxproj", "{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{079EE064-3D58-4E45-3D64-E57A778D4F5A} = {079EE064-3D58-4E45-3D64-E57A778D4F5A}
+		{39326613-BE6E-7800-EB08-20C0076BF14E} = {39326613-BE6E-7800-EB08-20C0076BF14E}
+		{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_compressed_payload_nosec_test", "vcxproj\test\h2_full_compressed_payload_nosec_test\h2_full_compressed_payload_nosec_test.vcxproj", "{A3AEF99F-523B-C487-4E77-F057182BDF0E}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -11355,6 +11523,22 @@ Global
 		{F278BE8B-2193-EF53-D97C-83653D70F181}.Release-DLL|Win32.Build.0 = Release|Win32
 		{F278BE8B-2193-EF53-D97C-83653D70F181}.Release-DLL|x64.ActiveCfg = Release|x64
 		{F278BE8B-2193-EF53-D97C-83653D70F181}.Release-DLL|x64.Build.0 = Release|x64
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Debug|x64.ActiveCfg = Debug|x64
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Release|Win32.ActiveCfg = Release|Win32
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Release|x64.ActiveCfg = Release|x64
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Debug|Win32.Build.0 = Debug|Win32
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Debug|x64.Build.0 = Debug|x64
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Release|Win32.Build.0 = Release|Win32
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Release|x64.Build.0 = Release|x64
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Debug-DLL|x64.Build.0 = Debug|x64
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Release-DLL|Win32.Build.0 = Release|Win32
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Release-DLL|x64.ActiveCfg = Release|x64
+		{FFCD85F4-AF1E-D0BA-2F2B-28EFE4C543DB}.Release-DLL|x64.Build.0 = Release|x64
 		{B56D9864-8A13-680A-0D15-6DA6E427E8E5}.Debug|Win32.ActiveCfg = Debug|Win32
 		{B56D9864-8A13-680A-0D15-6DA6E427E8E5}.Debug|x64.ActiveCfg = Debug|x64
 		{B56D9864-8A13-680A-0D15-6DA6E427E8E5}.Release|Win32.ActiveCfg = Release|Win32
@@ -11899,6 +12083,22 @@ Global
 		{D1F15DFE-14B5-78DB-4EC3-417727457273}.Release-DLL|Win32.Build.0 = Release|Win32
 		{D1F15DFE-14B5-78DB-4EC3-417727457273}.Release-DLL|x64.ActiveCfg = Release|x64
 		{D1F15DFE-14B5-78DB-4EC3-417727457273}.Release-DLL|x64.Build.0 = Release|x64
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Debug|Win32.ActiveCfg = Debug|Win32
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Debug|x64.ActiveCfg = Debug|x64
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Release|Win32.ActiveCfg = Release|Win32
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Release|x64.ActiveCfg = Release|x64
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Debug|Win32.Build.0 = Debug|Win32
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Debug|x64.Build.0 = Debug|x64
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Release|Win32.Build.0 = Release|Win32
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Release|x64.Build.0 = Release|x64
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Debug-DLL|x64.Build.0 = Debug|x64
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Release-DLL|Win32.Build.0 = Release|Win32
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Release-DLL|x64.ActiveCfg = Release|x64
+		{39326613-BE6E-7800-EB08-20C0076BF14E}.Release-DLL|x64.Build.0 = Release|x64
 		{E9F79306-0E5E-3D31-DC85-9D623F820015}.Debug|Win32.ActiveCfg = Debug|Win32
 		{E9F79306-0E5E-3D31-DC85-9D623F820015}.Debug|x64.ActiveCfg = Debug|x64
 		{E9F79306-0E5E-3D31-DC85-9D623F820015}.Release|Win32.ActiveCfg = Release|Win32
@@ -13307,6 +13507,22 @@ Global
 		{8279AF6C-9584-67F3-1547-B204864FCCA7}.Release-DLL|Win32.Build.0 = Release|Win32
 		{8279AF6C-9584-67F3-1547-B204864FCCA7}.Release-DLL|x64.ActiveCfg = Release|x64
 		{8279AF6C-9584-67F3-1547-B204864FCCA7}.Release-DLL|x64.Build.0 = Release|x64
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Debug|Win32.ActiveCfg = Debug|Win32
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Debug|x64.ActiveCfg = Debug|x64
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Release|Win32.ActiveCfg = Release|Win32
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Release|x64.ActiveCfg = Release|x64
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Debug|Win32.Build.0 = Debug|Win32
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Debug|x64.Build.0 = Debug|x64
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Release|Win32.Build.0 = Release|Win32
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Release|x64.Build.0 = Release|x64
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Debug-DLL|x64.Build.0 = Debug|x64
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Release-DLL|Win32.Build.0 = Release|Win32
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Release-DLL|x64.ActiveCfg = Release|x64
+		{62B25398-7173-928E-689E-53860B0ACFC4}.Release-DLL|x64.Build.0 = Release|x64
 		{A7747106-A6BC-62D4-2A21-04A4F0CC2683}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A7747106-A6BC-62D4-2A21-04A4F0CC2683}.Debug|x64.ActiveCfg = Debug|x64
 		{A7747106-A6BC-62D4-2A21-04A4F0CC2683}.Release|Win32.ActiveCfg = Release|Win32
@@ -13355,6 +13571,22 @@ Global
 		{4A48E5A5-2E69-ED6D-063C-C297180A54D0}.Release-DLL|Win32.Build.0 = Release|Win32
 		{4A48E5A5-2E69-ED6D-063C-C297180A54D0}.Release-DLL|x64.ActiveCfg = Release|x64
 		{4A48E5A5-2E69-ED6D-063C-C297180A54D0}.Release-DLL|x64.Build.0 = Release|x64
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Debug|Win32.ActiveCfg = Debug|Win32
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Debug|x64.ActiveCfg = Debug|x64
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Release|Win32.ActiveCfg = Release|Win32
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Release|x64.ActiveCfg = Release|x64
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Debug|Win32.Build.0 = Debug|Win32
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Debug|x64.Build.0 = Debug|x64
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Release|Win32.Build.0 = Release|Win32
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Release|x64.Build.0 = Release|x64
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Debug-DLL|x64.Build.0 = Debug|x64
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Release-DLL|Win32.Build.0 = Release|Win32
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Release-DLL|x64.ActiveCfg = Release|x64
+		{9889A80C-F1D7-99C9-FE7E-657724BEDC62}.Release-DLL|x64.Build.0 = Release|x64
 		{529771F0-10B0-9B1A-1E7E-8A8E01870348}.Debug|Win32.ActiveCfg = Debug|Win32
 		{529771F0-10B0-9B1A-1E7E-8A8E01870348}.Debug|x64.ActiveCfg = Debug|x64
 		{529771F0-10B0-9B1A-1E7E-8A8E01870348}.Release|Win32.ActiveCfg = Release|Win32
@@ -13659,6 +13891,22 @@ Global
 		{3AF5C04D-B0D3-CBD9-B83A-B789D3639C4A}.Release-DLL|Win32.Build.0 = Release|Win32
 		{3AF5C04D-B0D3-CBD9-B83A-B789D3639C4A}.Release-DLL|x64.ActiveCfg = Release|x64
 		{3AF5C04D-B0D3-CBD9-B83A-B789D3639C4A}.Release-DLL|x64.Build.0 = Release|x64
+		{65137593-7C9E-8405-189E-766299F514C9}.Debug|Win32.ActiveCfg = Debug|Win32
+		{65137593-7C9E-8405-189E-766299F514C9}.Debug|x64.ActiveCfg = Debug|x64
+		{65137593-7C9E-8405-189E-766299F514C9}.Release|Win32.ActiveCfg = Release|Win32
+		{65137593-7C9E-8405-189E-766299F514C9}.Release|x64.ActiveCfg = Release|x64
+		{65137593-7C9E-8405-189E-766299F514C9}.Debug|Win32.Build.0 = Debug|Win32
+		{65137593-7C9E-8405-189E-766299F514C9}.Debug|x64.Build.0 = Debug|x64
+		{65137593-7C9E-8405-189E-766299F514C9}.Release|Win32.Build.0 = Release|Win32
+		{65137593-7C9E-8405-189E-766299F514C9}.Release|x64.Build.0 = Release|x64
+		{65137593-7C9E-8405-189E-766299F514C9}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{65137593-7C9E-8405-189E-766299F514C9}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{65137593-7C9E-8405-189E-766299F514C9}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{65137593-7C9E-8405-189E-766299F514C9}.Debug-DLL|x64.Build.0 = Debug|x64
+		{65137593-7C9E-8405-189E-766299F514C9}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{65137593-7C9E-8405-189E-766299F514C9}.Release-DLL|Win32.Build.0 = Release|Win32
+		{65137593-7C9E-8405-189E-766299F514C9}.Release-DLL|x64.ActiveCfg = Release|x64
+		{65137593-7C9E-8405-189E-766299F514C9}.Release-DLL|x64.Build.0 = Release|x64
 		{B9441F3F-E1F0-0B2E-B4FC-AE52ABE46C3F}.Debug|Win32.ActiveCfg = Debug|Win32
 		{B9441F3F-E1F0-0B2E-B4FC-AE52ABE46C3F}.Debug|x64.ActiveCfg = Debug|x64
 		{B9441F3F-E1F0-0B2E-B4FC-AE52ABE46C3F}.Release|Win32.ActiveCfg = Release|Win32
@@ -14219,6 +14467,22 @@ Global
 		{352ED9DD-39D9-3E56-3591-51CBCBB03E99}.Release-DLL|Win32.Build.0 = Release|Win32
 		{352ED9DD-39D9-3E56-3591-51CBCBB03E99}.Release-DLL|x64.ActiveCfg = Release|x64
 		{352ED9DD-39D9-3E56-3591-51CBCBB03E99}.Release-DLL|x64.Build.0 = Release|x64
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Debug|Win32.ActiveCfg = Debug|Win32
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Debug|x64.ActiveCfg = Debug|x64
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Release|Win32.ActiveCfg = Release|Win32
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Release|x64.ActiveCfg = Release|x64
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Debug|Win32.Build.0 = Debug|Win32
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Debug|x64.Build.0 = Debug|x64
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Release|Win32.Build.0 = Release|Win32
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Release|x64.Build.0 = Release|x64
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Debug-DLL|x64.Build.0 = Debug|x64
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Release-DLL|Win32.Build.0 = Release|Win32
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Release-DLL|x64.ActiveCfg = Release|x64
+		{DDA1F79B-51A3-39EF-72F5-89303FFBAE7E}.Release-DLL|x64.Build.0 = Release|x64
 		{303F8433-916A-1076-4102-09F5ED1B6206}.Debug|Win32.ActiveCfg = Debug|Win32
 		{303F8433-916A-1076-4102-09F5ED1B6206}.Debug|x64.ActiveCfg = Debug|x64
 		{303F8433-916A-1076-4102-09F5ED1B6206}.Release|Win32.ActiveCfg = Release|Win32
@@ -14779,6 +15043,22 @@ Global
 		{113CFE3F-C9C7-EF82-09B1-EA9315F44840}.Release-DLL|Win32.Build.0 = Release|Win32
 		{113CFE3F-C9C7-EF82-09B1-EA9315F44840}.Release-DLL|x64.ActiveCfg = Release|x64
 		{113CFE3F-C9C7-EF82-09B1-EA9315F44840}.Release-DLL|x64.Build.0 = Release|x64
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Debug|Win32.ActiveCfg = Debug|Win32
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Debug|x64.ActiveCfg = Debug|x64
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Release|Win32.ActiveCfg = Release|Win32
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Release|x64.ActiveCfg = Release|x64
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Debug|Win32.Build.0 = Debug|Win32
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Debug|x64.Build.0 = Debug|x64
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Release|Win32.Build.0 = Release|Win32
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Release|x64.Build.0 = Release|x64
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Debug-DLL|x64.Build.0 = Debug|x64
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Release-DLL|Win32.Build.0 = Release|Win32
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Release-DLL|x64.ActiveCfg = Release|x64
+		{967825BB-799F-1489-AF72-29AC63B39CE2}.Release-DLL|x64.Build.0 = Release|x64
 		{C467710B-E67C-AFB5-0E3C-7AEBB78BFE19}.Debug|Win32.ActiveCfg = Debug|Win32
 		{C467710B-E67C-AFB5-0E3C-7AEBB78BFE19}.Debug|x64.ActiveCfg = Debug|x64
 		{C467710B-E67C-AFB5-0E3C-7AEBB78BFE19}.Release|Win32.ActiveCfg = Release|Win32
@@ -15339,6 +15619,22 @@ Global
 		{A8E049AF-743E-2CEF-E124-731D8667BA99}.Release-DLL|Win32.Build.0 = Release|Win32
 		{A8E049AF-743E-2CEF-E124-731D8667BA99}.Release-DLL|x64.ActiveCfg = Release|x64
 		{A8E049AF-743E-2CEF-E124-731D8667BA99}.Release-DLL|x64.Build.0 = Release|x64
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Debug|Win32.ActiveCfg = Debug|Win32
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Debug|x64.ActiveCfg = Debug|x64
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Release|Win32.ActiveCfg = Release|Win32
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Release|x64.ActiveCfg = Release|x64
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Debug|Win32.Build.0 = Debug|Win32
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Debug|x64.Build.0 = Debug|x64
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Release|Win32.Build.0 = Release|Win32
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Release|x64.Build.0 = Release|x64
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Debug-DLL|x64.Build.0 = Debug|x64
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Release-DLL|Win32.Build.0 = Release|Win32
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Release-DLL|x64.ActiveCfg = Release|x64
+		{9828CFEF-A745-F530-47F5-E67DF82AC483}.Release-DLL|x64.Build.0 = Release|x64
 		{0126463B-ECB4-1459-6B69-FC2790B96101}.Debug|Win32.ActiveCfg = Debug|Win32
 		{0126463B-ECB4-1459-6B69-FC2790B96101}.Debug|x64.ActiveCfg = Debug|x64
 		{0126463B-ECB4-1459-6B69-FC2790B96101}.Release|Win32.ActiveCfg = Release|Win32
@@ -15899,6 +16195,22 @@ Global
 		{F1415F9B-41E7-EB02-53A2-25914B8DF0E8}.Release-DLL|Win32.Build.0 = Release|Win32
 		{F1415F9B-41E7-EB02-53A2-25914B8DF0E8}.Release-DLL|x64.ActiveCfg = Release|x64
 		{F1415F9B-41E7-EB02-53A2-25914B8DF0E8}.Release-DLL|x64.Build.0 = Release|x64
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Debug|Win32.ActiveCfg = Debug|Win32
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Debug|x64.ActiveCfg = Debug|x64
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Release|Win32.ActiveCfg = Release|Win32
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Release|x64.ActiveCfg = Release|x64
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Debug|Win32.Build.0 = Debug|Win32
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Debug|x64.Build.0 = Debug|x64
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Release|Win32.Build.0 = Release|Win32
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Release|x64.Build.0 = Release|x64
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Debug-DLL|x64.Build.0 = Debug|x64
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Release-DLL|Win32.Build.0 = Release|Win32
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Release-DLL|x64.ActiveCfg = Release|x64
+		{18688453-3AA1-786F-1351-11AF6ACFB54E}.Release-DLL|x64.Build.0 = Release|x64
 		{2FEAB01E-B9B0-9A35-676A-551CA0B08B80}.Debug|Win32.ActiveCfg = Debug|Win32
 		{2FEAB01E-B9B0-9A35-676A-551CA0B08B80}.Debug|x64.ActiveCfg = Debug|x64
 		{2FEAB01E-B9B0-9A35-676A-551CA0B08B80}.Release|Win32.ActiveCfg = Release|Win32
@@ -18411,6 +18723,22 @@ Global
 		{A6726129-F3C8-DED6-53CF-0D08F4E91247}.Release-DLL|Win32.Build.0 = Release|Win32
 		{A6726129-F3C8-DED6-53CF-0D08F4E91247}.Release-DLL|x64.ActiveCfg = Release|x64
 		{A6726129-F3C8-DED6-53CF-0D08F4E91247}.Release-DLL|x64.Build.0 = Release|x64
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Debug|x64.ActiveCfg = Debug|x64
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Release|Win32.ActiveCfg = Release|Win32
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Release|x64.ActiveCfg = Release|x64
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Debug|Win32.Build.0 = Debug|Win32
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Debug|x64.Build.0 = Debug|x64
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Release|Win32.Build.0 = Release|Win32
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Release|x64.Build.0 = Release|x64
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Debug-DLL|x64.Build.0 = Debug|x64
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Release-DLL|Win32.Build.0 = Release|Win32
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Release-DLL|x64.ActiveCfg = Release|x64
+		{94132236-E024-7103-81A1-BCEBF2EF7FCB}.Release-DLL|x64.Build.0 = Release|x64
 		{AB43C3B6-EED9-FAC0-99F4-954C918A35EB}.Debug|Win32.ActiveCfg = Debug|Win32
 		{AB43C3B6-EED9-FAC0-99F4-954C918A35EB}.Debug|x64.ActiveCfg = Debug|x64
 		{AB43C3B6-EED9-FAC0-99F4-954C918A35EB}.Release|Win32.ActiveCfg = Release|Win32
@@ -19931,6 +20259,22 @@ Global
 		{E64B4D31-12A1-24EF-B8A4-60E49C0C483B}.Release-DLL|Win32.Build.0 = Release|Win32
 		{E64B4D31-12A1-24EF-B8A4-60E49C0C483B}.Release-DLL|x64.ActiveCfg = Release|x64
 		{E64B4D31-12A1-24EF-B8A4-60E49C0C483B}.Release-DLL|x64.Build.0 = Release|x64
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Debug|Win32.ActiveCfg = Debug|Win32
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Debug|x64.ActiveCfg = Debug|x64
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Release|Win32.ActiveCfg = Release|Win32
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Release|x64.ActiveCfg = Release|x64
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Debug|Win32.Build.0 = Debug|Win32
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Debug|x64.Build.0 = Debug|x64
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Release|Win32.Build.0 = Release|Win32
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Release|x64.Build.0 = Release|x64
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Debug-DLL|x64.Build.0 = Debug|x64
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Release-DLL|Win32.Build.0 = Release|Win32
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Release-DLL|x64.ActiveCfg = Release|x64
+		{62D6DBD5-17E8-44C5-16EA-0CA55F9890BE}.Release-DLL|x64.Build.0 = Release|x64
 		{4C2F7C09-AF64-FCBE-B6D4-06AFCD2A75B8}.Debug|Win32.ActiveCfg = Debug|Win32
 		{4C2F7C09-AF64-FCBE-B6D4-06AFCD2A75B8}.Debug|x64.ActiveCfg = Debug|x64
 		{4C2F7C09-AF64-FCBE-B6D4-06AFCD2A75B8}.Release|Win32.ActiveCfg = Release|Win32
@@ -20475,6 +20819,22 @@ Global
 		{F02039BC-7AEC-E390-660D-66299CCFC443}.Release-DLL|Win32.Build.0 = Release|Win32
 		{F02039BC-7AEC-E390-660D-66299CCFC443}.Release-DLL|x64.ActiveCfg = Release|x64
 		{F02039BC-7AEC-E390-660D-66299CCFC443}.Release-DLL|x64.Build.0 = Release|x64
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Debug|Win32.ActiveCfg = Debug|Win32
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Debug|x64.ActiveCfg = Debug|x64
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Release|Win32.ActiveCfg = Release|Win32
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Release|x64.ActiveCfg = Release|x64
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Debug|Win32.Build.0 = Debug|Win32
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Debug|x64.Build.0 = Debug|x64
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Release|Win32.Build.0 = Release|Win32
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Release|x64.Build.0 = Release|x64
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Debug-DLL|x64.Build.0 = Debug|x64
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Release-DLL|Win32.Build.0 = Release|Win32
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Release-DLL|x64.ActiveCfg = Release|x64
+		{505068F1-C0A0-68DD-5ED8-88B4D16367C3}.Release-DLL|x64.Build.0 = Release|x64
 		{13C0D5F2-1CE0-0D1B-5541-1B4B3AC2ACD9}.Debug|Win32.ActiveCfg = Debug|Win32
 		{13C0D5F2-1CE0-0D1B-5541-1B4B3AC2ACD9}.Debug|x64.ActiveCfg = Debug|x64
 		{13C0D5F2-1CE0-0D1B-5541-1B4B3AC2ACD9}.Release|Win32.ActiveCfg = Release|Win32
@@ -21019,6 +21379,22 @@ Global
 		{AF75C02C-FF72-44B3-1126-3D2DBB00DD1F}.Release-DLL|Win32.Build.0 = Release|Win32
 		{AF75C02C-FF72-44B3-1126-3D2DBB00DD1F}.Release-DLL|x64.ActiveCfg = Release|x64
 		{AF75C02C-FF72-44B3-1126-3D2DBB00DD1F}.Release-DLL|x64.Build.0 = Release|x64
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Debug|Win32.ActiveCfg = Debug|Win32
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Debug|x64.ActiveCfg = Debug|x64
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Release|Win32.ActiveCfg = Release|Win32
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Release|x64.ActiveCfg = Release|x64
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Debug|Win32.Build.0 = Debug|Win32
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Debug|x64.Build.0 = Debug|x64
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Release|Win32.Build.0 = Release|Win32
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Release|x64.Build.0 = Release|x64
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Debug-DLL|x64.Build.0 = Debug|x64
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Release-DLL|Win32.Build.0 = Release|Win32
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Release-DLL|x64.ActiveCfg = Release|x64
+		{1C5472D1-AE70-88A1-1DDB-8B1ED06BCD20}.Release-DLL|x64.Build.0 = Release|x64
 		{A3AEF99F-523B-C487-4E77-F057182BDF0E}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A3AEF99F-523B-C487-4E77-F057182BDF0E}.Debug|x64.ActiveCfg = Debug|x64
 		{A3AEF99F-523B-C487-4E77-F057182BDF0E}.Release|Win32.ActiveCfg = Release|Win32

vsprojects/vcxproj/grpc/grpc.vcxproj

@@ -600,6 +600,8 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\channel_create.c">
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\surface\channel_ping.c">
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\completion_queue.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\event_string.c">

vsprojects/vcxproj/grpc/grpc.vcxproj.filters

@@ -325,6 +325,9 @@
     <ClCompile Include="..\..\..\src\core\surface\channel_create.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\surface\channel_ping.c">
+      <Filter>src\core\surface</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\completion_queue.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>

vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj

@@ -539,6 +539,8 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\channel_create.c">
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\surface\channel_ping.c">
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\completion_queue.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\event_string.c">

vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters

@@ -265,6 +265,9 @@
     <ClCompile Include="..\..\..\src\core\surface\channel_create.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\surface\channel_ping.c">
+      <Filter>src\core\surface</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\completion_queue.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>

vsprojects/vcxproj/test/end2end_nosec_test_channel_ping/end2end_nosec_test_channel_ping.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>{39326613-BE6E-7800-EB08-20C0076BF14E}</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">
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
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