Reinstate sockpair tests

Makefile

@@ -1025,6 +1025,9 @@ h2_full+poll+pipe_test: $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_test
 h2_full+trace_test: $(BINDIR)/$(CONFIG)/h2_full+trace_test
 h2_oauth2_test: $(BINDIR)/$(CONFIG)/h2_oauth2_test
 h2_proxy_test: $(BINDIR)/$(CONFIG)/h2_proxy_test
+h2_sockpair_test: $(BINDIR)/$(CONFIG)/h2_sockpair_test
+h2_sockpair+trace_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test
+h2_sockpair_1byte_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test
 h2_ssl_test: $(BINDIR)/$(CONFIG)/h2_ssl_test
 h2_ssl+poll_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_test
 h2_ssl_proxy_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test
@@ -1039,6 +1042,9 @@ h2_full+poll_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_nosec_test
 h2_full+poll+pipe_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test
 h2_full+trace_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test
 h2_proxy_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_nosec_test
+h2_sockpair_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_nosec_test
+h2_sockpair+trace_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test
+h2_sockpair_1byte_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test
 h2_uchannel_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test
 h2_uds_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_nosec_test
 h2_uds+poll_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test
@@ -1239,6 +1245,9 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/h2_full+trace_test \
   $(BINDIR)/$(CONFIG)/h2_oauth2_test \
   $(BINDIR)/$(CONFIG)/h2_proxy_test \
+  $(BINDIR)/$(CONFIG)/h2_sockpair_test \
+  $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test \
+  $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test \
   $(BINDIR)/$(CONFIG)/h2_ssl_test \
   $(BINDIR)/$(CONFIG)/h2_ssl+poll_test \
   $(BINDIR)/$(CONFIG)/h2_ssl_proxy_test \
@@ -1253,6 +1262,9 @@ buildtests_c: privatelibs_c \
   $(BINDIR)/$(CONFIG)/h2_full+poll+pipe_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_full+trace_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_proxy_nosec_test \
+  $(BINDIR)/$(CONFIG)/h2_sockpair_nosec_test \
+  $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test \
+  $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_uchannel_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_uds_nosec_test \
   $(BINDIR)/$(CONFIG)/h2_uds+poll_nosec_test \
@@ -12428,6 +12440,102 @@ endif
 endif
 
 
+H2_SOCKPAIR_TEST_SRC = \
+    test/core/end2end/fixtures/h2_sockpair.c \
+
+H2_SOCKPAIR_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_SOCKPAIR_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/h2_sockpair_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/h2_sockpair_test: $(H2_SOCKPAIR_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_h2_sockpair_test: $(H2_SOCKPAIR_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(H2_SOCKPAIR_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+H2_SOCKPAIR+TRACE_TEST_SRC = \
+    test/core/end2end/fixtures/h2_sockpair+trace.c \
+
+H2_SOCKPAIR+TRACE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_SOCKPAIR+TRACE_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/h2_sockpair+trace_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/h2_sockpair+trace_test: $(H2_SOCKPAIR+TRACE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR+TRACE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair+trace_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair+trace.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_h2_sockpair+trace_test: $(H2_SOCKPAIR+TRACE_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(H2_SOCKPAIR+TRACE_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
+H2_SOCKPAIR_1BYTE_TEST_SRC = \
+    test/core/end2end/fixtures/h2_sockpair_1byte.c \
+
+H2_SOCKPAIR_1BYTE_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_SOCKPAIR_1BYTE_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test: openssl_dep_error
+
+else
+
+
+
+$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test: $(H2_SOCKPAIR_1BYTE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR_1BYTE_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair_1byte.o:  $(LIBDIR)/$(CONFIG)/libend2end_tests.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_h2_sockpair_1byte_test: $(H2_SOCKPAIR_1BYTE_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(H2_SOCKPAIR_1BYTE_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 H2_SSL_TEST_SRC = \
     test/core/end2end/fixtures/h2_ssl.c \
 
@@ -12780,6 +12888,66 @@ ifneq ($(NO_DEPS),true)
 endif
 
 
+H2_SOCKPAIR_NOSEC_TEST_SRC = \
+    test/core/end2end/fixtures/h2_sockpair.c \
+
+H2_SOCKPAIR_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_SOCKPAIR_NOSEC_TEST_SRC))))
+
+
+$(BINDIR)/$(CONFIG)/h2_sockpair_nosec_test: $(H2_SOCKPAIR_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_sockpair_nosec_test
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_h2_sockpair_nosec_test: $(H2_SOCKPAIR_NOSEC_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_DEPS),true)
+-include $(H2_SOCKPAIR_NOSEC_TEST_OBJS:.o=.dep)
+endif
+
+
+H2_SOCKPAIR+TRACE_NOSEC_TEST_SRC = \
+    test/core/end2end/fixtures/h2_sockpair+trace.c \
+
+H2_SOCKPAIR+TRACE_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_SOCKPAIR+TRACE_NOSEC_TEST_SRC))))
+
+
+$(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test: $(H2_SOCKPAIR+TRACE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR+TRACE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_sockpair+trace_nosec_test
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair+trace.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_h2_sockpair+trace_nosec_test: $(H2_SOCKPAIR+TRACE_NOSEC_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_DEPS),true)
+-include $(H2_SOCKPAIR+TRACE_NOSEC_TEST_OBJS:.o=.dep)
+endif
+
+
+H2_SOCKPAIR_1BYTE_NOSEC_TEST_SRC = \
+    test/core/end2end/fixtures/h2_sockpair_1byte.c \
+
+H2_SOCKPAIR_1BYTE_NOSEC_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(H2_SOCKPAIR_1BYTE_NOSEC_TEST_SRC))))
+
+
+$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test: $(H2_SOCKPAIR_1BYTE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(H2_SOCKPAIR_1BYTE_NOSEC_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_nosec_test
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/fixtures/h2_sockpair_1byte.o:  $(LIBDIR)/$(CONFIG)/libend2end_nosec_tests.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+
+deps_h2_sockpair_1byte_nosec_test: $(H2_SOCKPAIR_1BYTE_NOSEC_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_DEPS),true)
+-include $(H2_SOCKPAIR_1BYTE_NOSEC_TEST_OBJS:.o=.dep)
+endif
+
+
 H2_UCHANNEL_NOSEC_TEST_SRC = \
     test/core/end2end/fixtures/h2_uchannel.c \
 

src/core/channel/channel_stack_builder.c

@@ -37,6 +37,8 @@
 
 #include <grpc/support/alloc.h>
 
+int grpc_trace_channel_stack_builder = 0;
+
 #define BEGIN_SENTINAL ((grpc_channel_filter *)1)
 #define END_SENTINAL ((grpc_channel_filter *)2)
 
@@ -217,6 +219,7 @@ void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx,
   // count the number of filters
   size_t num_filters = 0;
   for (filter_node *p = builder->begin.next; p != &builder->end; p = p->next) {
+    gpr_log(GPR_DEBUG, "%d: %s", num_filters, p->filter->name);
     num_filters++;
   }
 
@@ -245,9 +248,10 @@ void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx,
   // run post-initialization functions
   i = 0;
   for (filter_node *p = builder->begin.next; p != &builder->end; p = p->next) {
-    if (p->init != NULL)
+    if (p->init != NULL) {
       p->init(channel_stack, grpc_channel_stack_element(channel_stack, i),
               p->init_arg);
+    }
     i++;
   }
 

src/core/channel/channel_stack_builder.h

@@ -135,4 +135,6 @@ void *grpc_channel_stack_builder_finish(grpc_exec_ctx *exec_ctx,
 // Destroy the builder without creating a channel stack
 void grpc_channel_stack_builder_destroy(grpc_channel_stack_builder *builder);
 
+extern int grpc_trace_channel_stack_builder;
+
 #endif

src/core/surface/channel_init.c

@@ -116,6 +116,8 @@ static const char *name_for_type(grpc_channel_stack_type type) {
       return "CLIENT_UCHANNEL";
     case GRPC_CLIENT_LAME_CHANNEL:
       return "CLIENT_LAME_CHANNEL";
+    case GRPC_CLIENT_DIRECT_CHANNEL:
+      return "CLIENT_DIRECT_CHANNEL";
     case GRPC_NUM_CHANNEL_STACK_TYPES:
       break;
   }

src/core/surface/channel_stack_type.c

@@ -45,6 +45,8 @@ bool grpc_channel_stack_type_is_client(grpc_channel_stack_type type) {
       return true;
     case GRPC_CLIENT_LAME_CHANNEL:
       return true;
+    case GRPC_CLIENT_DIRECT_CHANNEL:
+      return true;
     case GRPC_SERVER_CHANNEL:
       return false;
     case GRPC_NUM_CHANNEL_STACK_TYPES:

src/core/surface/channel_stack_type.h

@@ -37,10 +37,17 @@
 #include <stdbool.h>
 
 typedef enum {
+  // normal top-half client channel with load-balancing, connection management
   GRPC_CLIENT_CHANNEL,
+  // abbreviated top-half client channel bound to one subchannel - for internal load balancing implementation
   GRPC_CLIENT_UCHANNEL,
+  // bottom-half of a client channel: everything that happens post-load balancing (bound to a specific transport)
   GRPC_CLIENT_SUBCHANNEL,
+  // a permanently broken client channel
   GRPC_CLIENT_LAME_CHANNEL,
+  // a directly connected client channel (without load-balancing, directly talks to a transport)
+  GRPC_CLIENT_DIRECT_CHANNEL,
+  // server side channel
   GRPC_SERVER_CHANNEL,
   // must be last
   GRPC_NUM_CHANNEL_STACK_TYPES

src/core/surface/init.c

@@ -109,6 +109,8 @@ static bool maybe_add_http_filter(grpc_channel_stack_builder *builder,
 static void register_builtin_channel_init() {
   grpc_channel_init_register_stage(GRPC_CLIENT_CHANNEL, INT_MAX, prepend_filter,
                                    (void *)&grpc_compress_filter);
+  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, INT_MAX, prepend_filter,
+                                   (void *)&grpc_compress_filter);
   grpc_channel_init_register_stage(GRPC_CLIENT_UCHANNEL, INT_MAX,
                                    prepend_filter,
                                    (void *)&grpc_compress_filter);
@@ -119,6 +121,11 @@ static void register_builtin_channel_init() {
                                    (void *)&grpc_http_client_filter);
   grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL, INT_MAX,
                                    grpc_add_connected_filter, NULL);
+  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, INT_MAX,
+                                   maybe_add_http_filter,
+                                   (void *)&grpc_http_client_filter);
+  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, INT_MAX,
+                                   grpc_add_connected_filter, NULL);
   grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
                                    maybe_add_http_filter,
                                    (void *)&grpc_http_server_filter);
@@ -175,6 +182,7 @@ void grpc_init(void) {
     grpc_register_tracer("http", &grpc_http_trace);
     grpc_register_tracer("flowctl", &grpc_flowctl_trace);
     grpc_register_tracer("connectivity_state", &grpc_connectivity_state_trace);
+    grpc_register_tracer("channel_stack_builder", &grpc_trace_channel_stack_builder);
     grpc_security_pre_init();
     grpc_iomgr_init();
     grpc_executor_init();

src/core/surface/init_secure.c

@@ -82,6 +82,8 @@ static bool maybe_prepend_server_auth_filter(
 void grpc_register_security_filters(void) {
   grpc_channel_init_register_stage(GRPC_CLIENT_SUBCHANNEL, INT_MAX,
                                    maybe_prepend_client_auth_filter, NULL);
+  grpc_channel_init_register_stage(GRPC_CLIENT_DIRECT_CHANNEL, INT_MAX,
+                                   maybe_prepend_client_auth_filter, NULL);
   grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX,
                                    maybe_prepend_server_auth_filter, NULL);
 }

test/core/end2end/fixtures/h2_sockpair+trace.c

@@ -59,11 +59,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport, 
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -77,17 +74,8 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client = grpc_channel_create(
+      exec_ctx, "socketpair-target", cs->client_args, GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -126,7 +114,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =

test/core/end2end/fixtures/h2_sockpair.c

@@ -58,11 +58,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -76,17 +73,8 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client = grpc_channel_create(
+      exec_ctx, "socketpair-target", cs->client_args, GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -125,7 +113,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =

test/core/end2end/fixtures/h2_sockpair_1byte.c

@@ -58,11 +58,8 @@
 
 static void server_setup_transport(void *ts, grpc_transport *transport) {
   grpc_end2end_test_fixture *f = ts;
-  static grpc_channel_filter const *extra_filters[] = {
-      &grpc_http_server_filter};
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_server_setup_transport(&exec_ctx, f->server, transport, extra_filters,
-                              GPR_ARRAY_SIZE(extra_filters),
+  grpc_server_setup_transport(&exec_ctx, f->server, transport,
                               grpc_server_get_channel_args(f->server));
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -76,17 +73,8 @@ static void client_setup_transport(grpc_exec_ctx *exec_ctx, void *ts,
                                    grpc_transport *transport) {
   sp_client_setup *cs = ts;
 
-  const grpc_channel_filter *filters[] = {&grpc_http_client_filter,
-                                          &grpc_compress_filter,
-                                          &grpc_connected_channel_filter};
-  size_t nfilters = sizeof(filters) / sizeof(*filters);
-  grpc_channel *channel = grpc_channel_create_from_filters(
-      exec_ctx, "socketpair-target", filters, nfilters, cs->client_args, 1);
-
-  cs->f->client = channel;
-
-  grpc_connected_channel_bind_transport(grpc_channel_get_channel_stack(channel),
-                                        transport);
+  cs->f->client = grpc_channel_create(
+      exec_ctx, "socketpair-target", cs->client_args, GRPC_CLIENT_DIRECT_CHANNEL, transport);
 }
 
 static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
@@ -125,7 +113,7 @@ static void chttp2_init_server_socketpair(grpc_end2end_test_fixture *f,
   grpc_endpoint_pair *sfd = f->fixture_data;
   grpc_transport *transport;
   GPR_ASSERT(!f->server);
-  f->server = grpc_server_create_from_filters(NULL, 0, server_args);
+  f->server = grpc_server_create(server_args, NULL);
   grpc_server_register_completion_queue(f->server, f->cq, NULL);
   grpc_server_start(f->server);
   transport =

test/core/end2end/gen_build_yaml.py

@@ -63,6 +63,11 @@ END2END_FIXTURES = {
     'h2_oauth2': default_secure_fixture_options._replace(ci_mac=False),
     'h2_proxy': default_unsecure_fixture_options._replace(includes_proxy=True,
                                                           ci_mac=False),
+    'h2_sockpair_1byte': socketpair_unsecure_fixture_options._replace(
+        ci_mac=False),
+    'h2_sockpair': socketpair_unsecure_fixture_options._replace(ci_mac=False),
+    'h2_sockpair+trace': socketpair_unsecure_fixture_options._replace(
+        ci_mac=False, tracing=True),
     'h2_ssl': default_secure_fixture_options,
     'h2_ssl+poll': default_secure_fixture_options._replace(platforms=['linux']),
     'h2_ssl_proxy': default_secure_fixture_options._replace(includes_proxy=True,

tools/run_tests/sources_and_headers.json

@@ -2470,6 +2470,54 @@
       "test/core/end2end/fixtures/h2_proxy.c"
     ]
   }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_tests", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_test", 
+    "src": [
+      "test/core/end2end/fixtures/h2_sockpair.c"
+    ]
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_tests", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair+trace_test", 
+    "src": [
+      "test/core/end2end/fixtures/h2_sockpair+trace.c"
+    ]
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_tests", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_test", 
+    "src": [
+      "test/core/end2end/fixtures/h2_sockpair_1byte.c"
+    ]
+  }, 
   {
     "deps": [
       "end2end_certs", 
@@ -2686,6 +2734,51 @@
       "test/core/end2end/fixtures/h2_proxy.c"
     ]
   }, 
+  {
+    "deps": [
+      "end2end_nosec_tests", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_nosec_test", 
+    "src": [
+      "test/core/end2end/fixtures/h2_sockpair.c"
+    ]
+  }, 
+  {
+    "deps": [
+      "end2end_nosec_tests", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair+trace_nosec_test", 
+    "src": [
+      "test/core/end2end/fixtures/h2_sockpair+trace.c"
+    ]
+  }, 
+  {
+    "deps": [
+      "end2end_nosec_tests", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_nosec_test", 
+    "src": [
+      "test/core/end2end/fixtures/h2_sockpair_1byte.c"
+    ]
+  }, 
   {
     "deps": [
       "end2end_nosec_tests", 

vsprojects/buildtests_c.sln

@@ -1154,6 +1154,45 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_test", "vcxproj\te
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_test", "vcxproj\test/end2end/fixtures\h2_sockpair_test\h2_sockpair_test.vcxproj", "{67458AF8-A122-7740-F195-C2E74A106FAB}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_test", "vcxproj\test/end2end/fixtures\h2_sockpair+trace_test\h2_sockpair+trace_test.vcxproj", "{82878169-5A89-FD1E-31A6-E9F07BB92418}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_test", "vcxproj\test/end2end/fixtures\h2_sockpair_1byte_test\h2_sockpair_1byte_test.vcxproj", "{03A65361-E139-5344-1868-8E8FC269C6E6}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{1F1F9084-2A93-B80E-364F-5754894AFAB4} = {1F1F9084-2A93-B80E-364F-5754894AFAB4}
+		{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_test", "vcxproj\test/end2end/fixtures\h2_ssl_test\h2_ssl_test.vcxproj", "{EA78D290-4098-FF04-C647-013F6B81E4E7}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1253,6 +1292,42 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_nosec_test", "vcxp
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair_nosec_test\h2_sockpair_nosec_test.vcxproj", "{B3F26242-A43D-4F77-A84C-0F478741A061}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{47C2CB41-4E9F-58B6-F606-F6FAED5D00ED} = {47C2CB41-4E9F-58B6-F606-F6FAED5D00ED}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair+trace_nosec_test\h2_sockpair+trace_nosec_test.vcxproj", "{962380E0-1C06-8917-8F7F-1A02E0E93BE7}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{47C2CB41-4E9F-58B6-F606-F6FAED5D00ED} = {47C2CB41-4E9F-58B6-F606-F6FAED5D00ED}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_nosec_test", "vcxproj\test/end2end/fixtures\h2_sockpair_1byte_nosec_test\h2_sockpair_1byte_nosec_test.vcxproj", "{485E6713-487D-F274-BDE7-5D29300C93FE}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{47C2CB41-4E9F-58B6-F606-F6FAED5D00ED} = {47C2CB41-4E9F-58B6-F606-F6FAED5D00ED}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_nosec_test", "vcxproj\test/end2end/fixtures\h2_uchannel_nosec_test\h2_uchannel_nosec_test.vcxproj", "{BD79A629-4181-DB5E-C28F-44EB280A6F91}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -3021,6 +3096,54 @@ Global
 		{5753B14F-0C69-2E56-6264-5541B2DCDF67}.Release-DLL|Win32.Build.0 = Release|Win32
 		{5753B14F-0C69-2E56-6264-5541B2DCDF67}.Release-DLL|x64.ActiveCfg = Release|x64
 		{5753B14F-0C69-2E56-6264-5541B2DCDF67}.Release-DLL|x64.Build.0 = Release|x64
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Debug|x64.ActiveCfg = Debug|x64
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Release|Win32.ActiveCfg = Release|Win32
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Release|x64.ActiveCfg = Release|x64
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Debug|Win32.Build.0 = Debug|Win32
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Debug|x64.Build.0 = Debug|x64
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Release|Win32.Build.0 = Release|Win32
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Release|x64.Build.0 = Release|x64
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Debug-DLL|x64.Build.0 = Debug|x64
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Release-DLL|Win32.Build.0 = Release|Win32
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Release-DLL|x64.ActiveCfg = Release|x64
+		{67458AF8-A122-7740-F195-C2E74A106FAB}.Release-DLL|x64.Build.0 = Release|x64
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Debug|Win32.ActiveCfg = Debug|Win32
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Debug|x64.ActiveCfg = Debug|x64
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Release|Win32.ActiveCfg = Release|Win32
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Release|x64.ActiveCfg = Release|x64
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Debug|Win32.Build.0 = Debug|Win32
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Debug|x64.Build.0 = Debug|x64
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Release|Win32.Build.0 = Release|Win32
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Release|x64.Build.0 = Release|x64
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Debug-DLL|x64.Build.0 = Debug|x64
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Release-DLL|Win32.Build.0 = Release|Win32
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Release-DLL|x64.ActiveCfg = Release|x64
+		{82878169-5A89-FD1E-31A6-E9F07BB92418}.Release-DLL|x64.Build.0 = Release|x64
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Debug|Win32.ActiveCfg = Debug|Win32
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Debug|x64.ActiveCfg = Debug|x64
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Release|Win32.ActiveCfg = Release|Win32
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Release|x64.ActiveCfg = Release|x64
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Debug|Win32.Build.0 = Debug|Win32
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Debug|x64.Build.0 = Debug|x64
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Release|Win32.Build.0 = Release|Win32
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Release|x64.Build.0 = Release|x64
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Debug-DLL|x64.Build.0 = Debug|x64
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Release-DLL|Win32.Build.0 = Release|Win32
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Release-DLL|x64.ActiveCfg = Release|x64
+		{03A65361-E139-5344-1868-8E8FC269C6E6}.Release-DLL|x64.Build.0 = Release|x64
 		{EA78D290-4098-FF04-C647-013F6B81E4E7}.Debug|Win32.ActiveCfg = Debug|Win32
 		{EA78D290-4098-FF04-C647-013F6B81E4E7}.Debug|x64.ActiveCfg = Debug|x64
 		{EA78D290-4098-FF04-C647-013F6B81E4E7}.Release|Win32.ActiveCfg = Release|Win32
@@ -3149,6 +3272,54 @@ Global
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 		{6EC72045-98CB-8A8D-9788-BC94209E23C8}.Release-DLL|x64.ActiveCfg = Release|x64
 		{6EC72045-98CB-8A8D-9788-BC94209E23C8}.Release-DLL|x64.Build.0 = Release|x64
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Debug|Win32.ActiveCfg = Debug|Win32
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Debug|x64.ActiveCfg = Debug|x64
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Release|Win32.ActiveCfg = Release|Win32
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Release|x64.ActiveCfg = Release|x64
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Debug|Win32.Build.0 = Debug|Win32
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Debug|x64.Build.0 = Debug|x64
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Release|Win32.Build.0 = Release|Win32
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Release|x64.Build.0 = Release|x64
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Debug-DLL|x64.Build.0 = Debug|x64
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Release-DLL|Win32.Build.0 = Release|Win32
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Release-DLL|x64.ActiveCfg = Release|x64
+		{B3F26242-A43D-4F77-A84C-0F478741A061}.Release-DLL|x64.Build.0 = Release|x64
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Debug|Win32.ActiveCfg = Debug|Win32
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Debug|x64.ActiveCfg = Debug|x64
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Release|Win32.ActiveCfg = Release|Win32
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Release|x64.ActiveCfg = Release|x64
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Debug|Win32.Build.0 = Debug|Win32
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Debug|x64.Build.0 = Debug|x64
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Release|Win32.Build.0 = Release|Win32
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Release|x64.Build.0 = Release|x64
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Debug-DLL|x64.Build.0 = Debug|x64
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Release-DLL|Win32.Build.0 = Release|Win32
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Release-DLL|x64.ActiveCfg = Release|x64
+		{962380E0-1C06-8917-8F7F-1A02E0E93BE7}.Release-DLL|x64.Build.0 = Release|x64
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Debug|Win32.ActiveCfg = Debug|Win32
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Debug|x64.ActiveCfg = Debug|x64
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release|Win32.ActiveCfg = Release|Win32
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release|x64.ActiveCfg = Release|x64
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Debug|Win32.Build.0 = Debug|Win32
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Debug|x64.Build.0 = Debug|x64
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release|Win32.Build.0 = Release|Win32
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release|x64.Build.0 = Release|x64
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Debug-DLL|x64.Build.0 = Debug|x64
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release-DLL|Win32.Build.0 = Release|Win32
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release-DLL|x64.ActiveCfg = Release|x64
+		{485E6713-487D-F274-BDE7-5D29300C93FE}.Release-DLL|x64.Build.0 = Release|x64
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vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair+trace_nosec_test/h2_sockpair+trace_nosec_test.vcxproj

@@ -0,0 +1,202 @@
+<?xml version="1.0" encoding="utf-8"?>
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+  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
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+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
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+    <Import Project="$(SolutionDir)\..\vsprojects\global.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\openssl.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\winsock.props" />
+    <Import Project="$(SolutionDir)\..\vsprojects\zlib.props" />
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+    <Linkage-grpc_dependencies_openssl>static</Linkage-grpc_dependencies_openssl>
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+      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
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vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair+trace_nosec_test/h2_sockpair+trace_nosec_test.vcxproj.filters

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vsprojects/vcxproj/test/end2end/fixtures/h2_sockpair+trace_test/h2_sockpair+trace_test.vcxproj

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