Channel establishment

11 files changed, 255 insertions, 2087 deletions

diff --git a/Makefile b/Makefile
index 50bbf19b23..5040602d30 100644
--- a/Makefile
+++ b/Makefile
@@ -2707,6 +2707,7 @@ LIBGRPC_TEST_UTIL_SRC = \
     test/core/util/grpc_profiler.c \
     test/core/util/mock_endpoint.c \
     test/core/util/parse_hexstring.c \
+    test/core/util/passthru_endpoint.c \
     test/core/util/port_posix.c \
     test/core/util/port_server_client.c \
     test/core/util/port_windows.c \
@@ -2755,6 +2756,7 @@ LIBGRPC_TEST_UTIL_UNSECURE_SRC = \
     test/core/util/grpc_profiler.c \
     test/core/util/mock_endpoint.c \
     test/core/util/parse_hexstring.c \
+    test/core/util/passthru_endpoint.c \
     test/core/util/port_posix.c \
     test/core/util/port_server_client.c \
     test/core/util/port_windows.c \
diff --git a/build.yaml b/build.yaml
index 852f15b667..74119a37d2 100644
--- a/build.yaml
+++ b/build.yaml
@@ -569,6 +569,7 @@ filegroups:
   - test/core/util/grpc_profiler.h
   - test/core/util/mock_endpoint.h
   - test/core/util/parse_hexstring.h
+  - test/core/util/passthru_endpoint.h
   - test/core/util/port.h
   - test/core/util/port_server_client.h
   - test/core/util/slice_splitter.h
@@ -579,6 +580,7 @@ filegroups:
   - test/core/util/grpc_profiler.c
   - test/core/util/mock_endpoint.c
   - test/core/util/parse_hexstring.c
+  - test/core/util/passthru_endpoint.c
   - test/core/util/port_posix.c
   - test/core/util/port_server_client.c
   - test/core/util/port_windows.c
diff --git a/test/core/end2end/fuzzers/api_fuzzer.c b/test/core/end2end/fuzzers/api_fuzzer.c
index 84a17cf56f..64fb310a59 100644
--- a/test/core/end2end/fuzzers/api_fuzzer.c
+++ b/test/core/end2end/fuzzers/api_fuzzer.c
@@ -43,7 +43,9 @@
 #include "src/core/lib/iomgr/tcp_client.h"
 #include "src/core/lib/iomgr/timer.h"
 #include "src/core/lib/transport/metadata.h"
-#include "test/core/util/mock_endpoint.h"
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/surface/server.h"
+#include "test/core/util/passthru_endpoint.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 // logging
@@ -203,7 +205,17 @@ static void do_connect(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
     *fc->ep = NULL;
     grpc_exec_ctx_enqueue(exec_ctx, fc->closure, false, NULL);
   } else if (g_server != NULL) {
-    abort();
+    grpc_endpoint *client;
+    grpc_endpoint *server;
+    grpc_passthru_endpoint_create(&client, &server);
+    *fc->ep = client;
+
+    grpc_transport *transport =
+        grpc_create_chttp2_transport(exec_ctx, NULL, server, 0);
+    grpc_server_setup_transport(exec_ctx, g_server, transport, NULL);
+    grpc_chttp2_transport_start_reading(exec_ctx, transport, NULL, 0);
+
+    grpc_exec_ctx_enqueue(exec_ctx, fc->closure, false, NULL);
   } else {
     sched_connect(exec_ctx, fc->closure, fc->ep, fc->deadline);
   }
diff --git a/test/core/util/passthru_endpoint.c b/test/core/util/passthru_endpoint.c
new file mode 100644
index 0000000000..a47baeb637
--- /dev/null
+++ b/test/core/util/passthru_endpoint.c
@@ -0,0 +1,158 @@
+/*
+ *
+ * Copyright 2016, 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/util/passthru_endpoint.h"
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+typedef struct passthru_endpoint passthru_endpoint;
+
+typedef struct {
+  grpc_endpoint base;
+  passthru_endpoint *parent;
+  gpr_slice_buffer read_buffer;
+  gpr_slice_buffer *on_read_out;
+  grpc_closure *on_read;
+} half;
+
+struct passthru_endpoint {
+  gpr_mu mu;
+  int halves;
+  bool shutdown;
+  half client;
+  half server;
+};
+
+static void me_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                    gpr_slice_buffer *slices, grpc_closure *cb) {
+  half *m = (half *)ep;
+  gpr_mu_lock(&m->parent->mu);
+  if (m->parent->shutdown) {
+    grpc_exec_ctx_enqueue(exec_ctx, cb, false, NULL);
+  } else
+  if (m->read_buffer.count > 0) {
+    gpr_slice_buffer_swap(&m->read_buffer, slices);
+    grpc_exec_ctx_enqueue(exec_ctx, cb, true, NULL);
+  } else {
+    m->on_read = cb;
+    m->on_read_out = slices;
+  }
+  gpr_mu_unlock(&m->parent->mu);
+}
+
+static half *other_half(half *h) {
+  if (h == &h->parent->client)
+    return &h->parent->server;
+  return &h->parent->client;
+}
+
+static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                     gpr_slice_buffer *slices, grpc_closure *cb) {
+  half *m = other_half((half *)ep);
+  gpr_mu_lock(&m->parent->mu);
+  bool ok= true;
+  if (m->parent->shutdown) {
+   ok = false; 
+  }
+  else if (m->on_read != NULL) {
+    gpr_slice_buffer_addn(m->on_read_out, slices->slices, slices->count);
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, true, NULL);
+    m->on_read = NULL;
+  } else {
+    gpr_slice_buffer_addn(&m->read_buffer, slices->slices, slices->count);
+  }
+  gpr_mu_unlock(&m->parent->mu);
+  grpc_exec_ctx_enqueue(exec_ctx, cb, ok, NULL);
+}
+
+static void me_add_to_pollset(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                              grpc_pollset *pollset) {}
+
+static void me_add_to_pollset_set(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
+                                  grpc_pollset_set *pollset) {}
+
+static void me_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
+  half *m = (half*)ep;
+  gpr_mu_lock(&m->parent->mu);
+  m->parent->shutdown = true;
+  if (m->on_read) {
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, false, NULL);
+    m->on_read = NULL;
+  }
+  m = other_half(m);
+  if (m->on_read) {
+    grpc_exec_ctx_enqueue(exec_ctx, m->on_read, false, NULL);
+    m->on_read = NULL;
+  }
+  gpr_mu_unlock(&m->parent->mu);
+}
+
+static void me_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
+  passthru_endpoint *p = ((half*)ep)->parent;
+  gpr_mu_lock(&p->mu);
+  if (0 == --p->halves) {
+    gpr_mu_unlock(&p->mu);
+    gpr_mu_destroy(&p->mu);
+    gpr_slice_buffer_destroy(&p->client.read_buffer);
+    gpr_slice_buffer_destroy(&p->server.read_buffer);
+    gpr_free(p);
+  } else {
+    gpr_mu_unlock(&p->mu);
+  }
+}
+
+static char *me_get_peer(grpc_endpoint *ep) {
+  return gpr_strdup("fake:mock_endpoint");
+}
+
+static const grpc_endpoint_vtable vtable = {
+    me_read,     me_write,   me_add_to_pollset, me_add_to_pollset_set,
+    me_shutdown, me_destroy, me_get_peer,
+};
+
+static void half_init(half *m) {
+  m->base.vtable = &vtable;
+  gpr_slice_buffer_init(&m->read_buffer);
+  m->on_read = NULL;
+}
+
+void grpc_passthru_endpoint_create(grpc_endpoint **client, grpc_endpoint **server) {
+  passthru_endpoint *m = gpr_malloc(sizeof(*m));
+  half_init(&m->client);
+  half_init(&m->server);
+  gpr_mu_init(&m->mu);
+  *client = &m->client.base;
+  *server = &m->server.base;
+}
+
diff --git a/test/core/util/passthru_endpoint.h b/test/core/util/passthru_endpoint.h
new file mode 100644
index 0000000000..ba075d508a
--- /dev/null
+++ b/test/core/util/passthru_endpoint.h
@@ -0,0 +1,41 @@
+/*
+ *
+ * Copyright 2016, 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.
+ *
+ */
+
+#ifndef MOCK_ENDPOINT_H
+#define MOCK_ENDPOINT_H
+
+#include "src/core/lib/iomgr/endpoint.h"
+
+void grpc_passthru_endpoint_create(grpc_endpoint **client, grpc_endpoint **server);
+
+#endif
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index c1d263d819..8d805fd889 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -6261,6 +6261,7 @@
       "test/core/util/grpc_profiler.h", 
       "test/core/util/mock_endpoint.h", 
       "test/core/util/parse_hexstring.h", 
+      "test/core/util/passthru_endpoint.h", 
       "test/core/util/port.h", 
       "test/core/util/port_server_client.h", 
       "test/core/util/slice_splitter.h"
@@ -6280,6 +6281,8 @@
       "test/core/util/mock_endpoint.h", 
       "test/core/util/parse_hexstring.c", 
       "test/core/util/parse_hexstring.h", 
+      "test/core/util/passthru_endpoint.c", 
+      "test/core/util/passthru_endpoint.h", 
       "test/core/util/port.h", 
       "test/core/util/port_posix.c", 
       "test/core/util/port_server_client.c", 
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index d9ad342780..c897fe8e77 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -22346,7 +22346,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/01f28719f461d0e09499a9a1d40dab6ffaf7513c"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/00.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22368,7 +22368,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/03108f73a4908148ddacf8b20d744978a3dbb8e6"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/01.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22390,7 +22390,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/048d47eee51a1e6c89119b2bc58ccb755e6e781e"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/02.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22412,7 +22412,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/05a5068ccf28276b0142ac8ce464ed5cd1091c2f"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/03.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22434,7 +22434,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/07414c08d51096b30fe3a7c7495fbb370a9eb349"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/04.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22456,7 +22456,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/0d19d6ee751184422aa627302ea9271eeb959fad"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/05.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22478,7 +22478,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/0db8092253ef2cf2302e24a366415dcefa9f0aca"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/06.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22500,7 +22500,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/13f189df8c3bc8e7cc9fdf0b48eb65a133e8e252"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/07.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22522,7 +22522,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/15f287d50bcc52bddbbb3bc5b29a93ce56557882"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/08.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22544,7 +22544,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/16caabddd637cb1ab7c64db8515cd92dea1b6ce7"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/09.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22566,7 +22566,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/188d368922a5f43e60c90a6397eb0b7ff9164ad0"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/0a.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22588,7 +22588,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/1910516becba08fd6cbf71179f9b0d91f281d976"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/0b.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22610,7 +22610,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/1b85eab98d2fd10bb449648b8bb538ffe455fb3d"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/0c.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22632,7 +22632,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/1be5ba6372ab0eb27c0939f63c4287f736da4add"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/0d.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22654,7 +22654,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/1ef624482d620e43e6d34da1afe46267fc695d9b"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/0e.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22676,7 +22676,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/1f9c9faf2c2a7fc66191093ff11333d2d32b83a0"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/0f.bin"
     ], 
     "ci_platforms": [
       "linux", 
@@ -22698,2075 +22698,7 @@
   }, 
   {
     "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/1fbc12c332ab7671a787d6f7ca34f29afd581285"
-    ], 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/2300d27ee843d71b9b33ee01dcbd31b3b001d3d0"
-    ], 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/2311aab0528eeef24d615b638c3deeddcc91b040"
-    ], 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/2438538cf050251672d7c4922878192f19ad8414"
-    ], 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/29416e7301eb6f96233242a22d999e4794bfa7b9"
-    ], 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/31209f7b3279af6ecbd718405b4c3992051b64b7"
-    ], 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/37dc7f75b78630c09cb1b86d79938cb6e2b5c831"
-    ], 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ], 
-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/436ea2edd925add818d5933ea1a694c665c5bbda"
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-    ], 
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-    "language": "c", 
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-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/d99e0bc37dbbf5ee870ae9213923cc3d5e72e7cb"
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-    "ci_platforms": [
-      "linux", 
-      "mac", 
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-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/e15cde0fd6419be5594f70dc6d26de8619df864b"
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-    "ci_platforms": [
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-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
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-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/e36ad57e12e7b5d44e543b192121437a1dba99ea"
-    ], 
-    "ci_platforms": [
-      "linux", 
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-      "windows", 
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-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/e5690389240495c1d01d44203b4062276513a927"
-    ], 
-    "ci_platforms": [
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-      "mac", 
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-    "exclude_configs": [], 
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-    "language": "c", 
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-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
-  }, 
-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/e719889934afb75552663dd466674f232763e086"
-    ], 
-    "ci_platforms": [
-      "linux", 
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-      "windows", 
-      "posix"
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-    "cpu_cost": 0.1, 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
-    ]
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-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/ecff05d90eee72d9ebb498669725b50cb15c25a3"
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-    "ci_platforms": [
-      "linux", 
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-    "exclude_configs": [], 
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-    "language": "c", 
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-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
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-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/ed086108ea505a9503ccbd3d23c1228d59256a8a"
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-    "ci_platforms": [
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-    "name": "api_fuzzer_one_entry", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
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-  {
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-      "test/core/end2end/fuzzers/api_fuzzer_corpus/ed93eaae0016b111eed7e065ed03649b62e46f56"
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-    "ci_platforms": [
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-    "platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
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-  {
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-    ], 
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "windows", 
-      "posix"
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-      "mac", 
-      "windows", 
-      "posix"
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-      "mac", 
-      "windows", 
-      "posix"
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-      "windows", 
-      "posix"
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-      "posix"
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-      "mac", 
-      "windows", 
-      "posix"
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-  {
-    "args": [
-      "test/core/end2end/fuzzers/api_fuzzer_corpus/fdee3f97ab3c5e924b6f61b218dc17138f4c56f1"
+      "test/core/end2end/fuzzers/api_fuzzer_corpus/bad.bin"
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diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
index cb033a5aa4..44e9f8034a 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@@ -155,6 +155,7 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h" />
@@ -180,6 +181,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_server_client.c">
diff --git a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
index 81b2a81053..1cae9fb1fd 100644
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@@ -31,6 +31,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
@@ -69,6 +72,9 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
index bb93b2c6f3..e681622071 100644
--- a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj
@@ -153,6 +153,7 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\util\grpc_profiler.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\mock_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h" />
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port_server_client.h" />
     <ClInclude Include="$(SolutionDir)\..\test\core\util\slice_splitter.h" />
@@ -170,6 +171,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_server_client.c">
diff --git a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
index 4c4620a288..b40fe48409 100644
--- a/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util_unsecure/grpc_test_util_unsecure.vcxproj.filters
@@ -19,6 +19,9 @@
     <ClCompile Include="$(SolutionDir)\..\test\core\util\parse_hexstring.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.c">
+      <Filter>test\core\util</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\test\core\util\port_posix.c">
       <Filter>test\core\util</Filter>
     </ClCompile>
@@ -51,6 +54,9 @@
     <ClInclude Include="$(SolutionDir)\..\test\core\util\parse_hexstring.h">
       <Filter>test\core\util</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\test\core\util\passthru_endpoint.h">
+      <Filter>test\core\util</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\test\core\util\port.h">
       <Filter>test\core\util</Filter>
     </ClInclude>