BufferPool --> ResourceQuota

11 files changed, 398 insertions, 45 deletions

diff --git a/test/core/end2end/end2end_nosec_tests.c b/test/core/end2end/end2end_nosec_tests.c
index 1c9332acc1..caaa97c215 100644
--- a/test/core/end2end/end2end_nosec_tests.c
+++ b/test/core/end2end/end2end_nosec_tests.c
@@ -47,8 +47,6 @@ extern void bad_hostname(grpc_end2end_test_config config);
 extern void bad_hostname_pre_init(void);
 extern void binary_metadata(grpc_end2end_test_config config);
 extern void binary_metadata_pre_init(void);
-extern void buffer_pool_server(grpc_end2end_test_config config);
-extern void buffer_pool_server_pre_init(void);
 extern void cancel_after_accept(grpc_end2end_test_config config);
 extern void cancel_after_accept_pre_init(void);
 extern void cancel_after_client_done(grpc_end2end_test_config config);
@@ -113,6 +111,8 @@ extern void request_with_flags(grpc_end2end_test_config config);
 extern void request_with_flags_pre_init(void);
 extern void request_with_payload(grpc_end2end_test_config config);
 extern void request_with_payload_pre_init(void);
+extern void resource_quota_server(grpc_end2end_test_config config);
+extern void resource_quota_server_pre_init(void);
 extern void server_finishes_request(grpc_end2end_test_config config);
 extern void server_finishes_request_pre_init(void);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
@@ -137,7 +137,6 @@ void grpc_end2end_tests_pre_init(void) {
   g_pre_init_called = true;
   bad_hostname_pre_init();
   binary_metadata_pre_init();
-  buffer_pool_server_pre_init();
   cancel_after_accept_pre_init();
   cancel_after_client_done_pre_init();
   cancel_after_invoke_pre_init();
@@ -170,6 +169,7 @@ void grpc_end2end_tests_pre_init(void) {
   registered_call_pre_init();
   request_with_flags_pre_init();
   request_with_payload_pre_init();
+  resource_quota_server_pre_init();
   server_finishes_request_pre_init();
   shutdown_finishes_calls_pre_init();
   shutdown_finishes_tags_pre_init();
@@ -190,7 +190,6 @@ void grpc_end2end_tests(int argc, char **argv,
   if (argc <= 1) {
     bad_hostname(config);
     binary_metadata(config);
-    buffer_pool_server(config);
     cancel_after_accept(config);
     cancel_after_client_done(config);
     cancel_after_invoke(config);
@@ -223,6 +222,7 @@ void grpc_end2end_tests(int argc, char **argv,
     registered_call(config);
     request_with_flags(config);
     request_with_payload(config);
+    resource_quota_server(config);
     server_finishes_request(config);
     shutdown_finishes_calls(config);
     shutdown_finishes_tags(config);
@@ -244,10 +244,6 @@ void grpc_end2end_tests(int argc, char **argv,
       binary_metadata(config);
       continue;
     }
-    if (0 == strcmp("buffer_pool_server", argv[i])) {
-      buffer_pool_server(config);
-      continue;
-    }
     if (0 == strcmp("cancel_after_accept", argv[i])) {
       cancel_after_accept(config);
       continue;
@@ -376,6 +372,10 @@ void grpc_end2end_tests(int argc, char **argv,
       request_with_payload(config);
       continue;
     }
+    if (0 == strcmp("resource_quota_server", argv[i])) {
+      resource_quota_server(config);
+      continue;
+    }
     if (0 == strcmp("server_finishes_request", argv[i])) {
       server_finishes_request(config);
       continue;
diff --git a/test/core/end2end/end2end_tests.c b/test/core/end2end/end2end_tests.c
index cf0e4c8316..6d17e686e6 100644
--- a/test/core/end2end/end2end_tests.c
+++ b/test/core/end2end/end2end_tests.c
@@ -47,8 +47,6 @@ extern void bad_hostname(grpc_end2end_test_config config);
 extern void bad_hostname_pre_init(void);
 extern void binary_metadata(grpc_end2end_test_config config);
 extern void binary_metadata_pre_init(void);
-extern void buffer_pool_server(grpc_end2end_test_config config);
-extern void buffer_pool_server_pre_init(void);
 extern void call_creds(grpc_end2end_test_config config);
 extern void call_creds_pre_init(void);
 extern void cancel_after_accept(grpc_end2end_test_config config);
@@ -115,6 +113,8 @@ extern void request_with_flags(grpc_end2end_test_config config);
 extern void request_with_flags_pre_init(void);
 extern void request_with_payload(grpc_end2end_test_config config);
 extern void request_with_payload_pre_init(void);
+extern void resource_quota_server(grpc_end2end_test_config config);
+extern void resource_quota_server_pre_init(void);
 extern void server_finishes_request(grpc_end2end_test_config config);
 extern void server_finishes_request_pre_init(void);
 extern void shutdown_finishes_calls(grpc_end2end_test_config config);
@@ -139,7 +139,6 @@ void grpc_end2end_tests_pre_init(void) {
   g_pre_init_called = true;
   bad_hostname_pre_init();
   binary_metadata_pre_init();
-  buffer_pool_server_pre_init();
   call_creds_pre_init();
   cancel_after_accept_pre_init();
   cancel_after_client_done_pre_init();
@@ -173,6 +172,7 @@ void grpc_end2end_tests_pre_init(void) {
   registered_call_pre_init();
   request_with_flags_pre_init();
   request_with_payload_pre_init();
+  resource_quota_server_pre_init();
   server_finishes_request_pre_init();
   shutdown_finishes_calls_pre_init();
   shutdown_finishes_tags_pre_init();
@@ -193,7 +193,6 @@ void grpc_end2end_tests(int argc, char **argv,
   if (argc <= 1) {
     bad_hostname(config);
     binary_metadata(config);
-    buffer_pool_server(config);
     call_creds(config);
     cancel_after_accept(config);
     cancel_after_client_done(config);
@@ -227,6 +226,7 @@ void grpc_end2end_tests(int argc, char **argv,
     registered_call(config);
     request_with_flags(config);
     request_with_payload(config);
+    resource_quota_server(config);
     server_finishes_request(config);
     shutdown_finishes_calls(config);
     shutdown_finishes_tags(config);
@@ -248,10 +248,6 @@ void grpc_end2end_tests(int argc, char **argv,
       binary_metadata(config);
       continue;
     }
-    if (0 == strcmp("buffer_pool_server", argv[i])) {
-      buffer_pool_server(config);
-      continue;
-    }
     if (0 == strcmp("call_creds", argv[i])) {
       call_creds(config);
       continue;
@@ -384,6 +380,10 @@ void grpc_end2end_tests(int argc, char **argv,
       request_with_payload(config);
       continue;
     }
+    if (0 == strcmp("resource_quota_server", argv[i])) {
+      resource_quota_server(config);
+      continue;
+    }
     if (0 == strcmp("server_finishes_request", argv[i])) {
       server_finishes_request(config);
       continue;
diff --git a/test/core/end2end/fixtures/h2_sockpair+trace.c b/test/core/end2end/fixtures/h2_sockpair+trace.c
index 4a546e710e..f7dbfdf2e3 100644
--- a/test/core/end2end/fixtures/h2_sockpair+trace.c
+++ b/test/core/end2end/fixtures/h2_sockpair+trace.c
@@ -91,9 +91,9 @@ static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
   f.fixture_data = sfd;
   f.cq = grpc_completion_queue_create(NULL);
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("fixture");
-  *sfd = grpc_iomgr_create_endpoint_pair("fixture", buffer_pool, 65536);
-  grpc_buffer_pool_unref(buffer_pool);
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("fixture");
+  *sfd = grpc_iomgr_create_endpoint_pair("fixture", resource_quota, 65536);
+  grpc_resource_quota_unref(resource_quota);
 
   return f;
 }
diff --git a/test/core/end2end/fixtures/h2_sockpair.c b/test/core/end2end/fixtures/h2_sockpair.c
index f528f0b0b2..c571b12e4a 100644
--- a/test/core/end2end/fixtures/h2_sockpair.c
+++ b/test/core/end2end/fixtures/h2_sockpair.c
@@ -90,9 +90,9 @@ static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
   f.fixture_data = sfd;
   f.cq = grpc_completion_queue_create(NULL);
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("fixture");
-  *sfd = grpc_iomgr_create_endpoint_pair("fixture", buffer_pool, 65536);
-  grpc_buffer_pool_unref(buffer_pool);
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("fixture");
+  *sfd = grpc_iomgr_create_endpoint_pair("fixture", resource_quota, 65536);
+  grpc_resource_quota_unref(resource_quota);
 
   return f;
 }
diff --git a/test/core/end2end/fixtures/h2_sockpair_1byte.c b/test/core/end2end/fixtures/h2_sockpair_1byte.c
index 293cdf278e..c3d2d5decc 100644
--- a/test/core/end2end/fixtures/h2_sockpair_1byte.c
+++ b/test/core/end2end/fixtures/h2_sockpair_1byte.c
@@ -90,9 +90,9 @@ static grpc_end2end_test_fixture chttp2_create_fixture_socketpair(
   f.fixture_data = sfd;
   f.cq = grpc_completion_queue_create(NULL);
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("fixture");
-  *sfd = grpc_iomgr_create_endpoint_pair("fixture", buffer_pool, 1);
-  grpc_buffer_pool_unref(buffer_pool);
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("fixture");
+  *sfd = grpc_iomgr_create_endpoint_pair("fixture", resource_quota, 1);
+  grpc_resource_quota_unref(resource_quota);
 
   return f;
 }
diff --git a/test/core/end2end/fuzzers/api_fuzzer.c b/test/core/end2end/fuzzers/api_fuzzer.c
index f39a79ca19..945cc960e9 100644
--- a/test/core/end2end/fuzzers/api_fuzzer.c
+++ b/test/core/end2end/fuzzers/api_fuzzer.c
@@ -173,7 +173,7 @@ static bool is_eof(input_stream *inp) { return inp->cur == inp->end; }
 static gpr_timespec g_now;
 static grpc_server *g_server;
 static grpc_channel *g_channel;
-static grpc_buffer_pool *g_buffer_pool;
+static grpc_resource_quota *g_resource_quota;
 
 extern gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type);
 
@@ -253,7 +253,7 @@ static void do_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
   } else if (g_server != NULL) {
     grpc_endpoint *client;
     grpc_endpoint *server;
-    grpc_passthru_endpoint_create(&client, &server, g_buffer_pool);
+    grpc_passthru_endpoint_create(&client, &server, g_resource_quota);
     *fc->ep = client;
 
     grpc_transport *transport =
@@ -522,7 +522,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   int pending_pings = 0;
 
   g_active_call = new_call(NULL, ROOT);
-  g_buffer_pool = grpc_buffer_pool_create("api_fuzzer");
+  g_resource_quota = grpc_resource_quota_create("api_fuzzer");
 
   grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
 
@@ -944,7 +944,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
       }
       // resize the buffer pool
       case 21: {
-        grpc_buffer_pool_resize(g_buffer_pool, read_uint22(&inp));
+        grpc_resource_quota_resize(g_resource_quota, read_uint22(&inp));
         break;
       }
     }
@@ -962,7 +962,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
           .type == GRPC_QUEUE_SHUTDOWN);
   grpc_completion_queue_destroy(cq);
 
-  grpc_buffer_pool_unref(g_buffer_pool);
+  grpc_resource_quota_unref(g_resource_quota);
 
   grpc_shutdown();
   return 0;
diff --git a/test/core/end2end/fuzzers/client_fuzzer.c b/test/core/end2end/fuzzers/client_fuzzer.c
index 55d04ec28a..b57c8c95fd 100644
--- a/test/core/end2end/fuzzers/client_fuzzer.c
+++ b/test/core/end2end/fuzzers/client_fuzzer.c
@@ -58,10 +58,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   grpc_init();
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("client_fuzzer");
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("client_fuzzer");
   grpc_endpoint *mock_endpoint =
-      grpc_mock_endpoint_create(discard_write, buffer_pool);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+      grpc_mock_endpoint_create(discard_write, resource_quota);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
 
   grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
   grpc_transport *transport =
diff --git a/test/core/end2end/fuzzers/server_fuzzer.c b/test/core/end2end/fuzzers/server_fuzzer.c
index dd093e51ec..58c2a9d483 100644
--- a/test/core/end2end/fuzzers/server_fuzzer.c
+++ b/test/core/end2end/fuzzers/server_fuzzer.c
@@ -56,10 +56,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   grpc_init();
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("server_fuzzer");
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("server_fuzzer");
   grpc_endpoint *mock_endpoint =
-      grpc_mock_endpoint_create(discard_write, buffer_pool);
-  grpc_buffer_pool_internal_unref(&exec_ctx, buffer_pool);
+      grpc_mock_endpoint_create(discard_write, resource_quota);
+  grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
   grpc_mock_endpoint_put_read(
       &exec_ctx, mock_endpoint,
       gpr_slice_from_copied_buffer((const char *)data, size));
diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index 3fc827fc7d..0ae70ce308 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py
@@ -88,7 +88,7 @@ LOWCPU = 0.1
 END2END_TESTS = {
     'bad_hostname': default_test_options,
     'binary_metadata': default_test_options,
-    'buffer_pool_server': default_test_options._replace(large_writes=True,
+    'resource_quota_server': default_test_options._replace(large_writes=True,
                                                         proxyable=False),
     'call_creds': default_test_options._replace(secure=True),
     'cancel_after_accept': default_test_options._replace(cpu_cost=LOWCPU),
diff --git a/test/core/end2end/tests/buffer_pool_server.c b/test/core/end2end/tests/buffer_pool_server.c
index daa971ccfc..81850aea58 100644
--- a/test/core/end2end/tests/buffer_pool_server.c
+++ b/test/core/end2end/tests/buffer_pool_server.c
@@ -107,9 +107,10 @@ static gpr_slice generate_random_slice() {
   return gpr_slice_from_copied_string(output);
 }
 
-void buffer_pool_server(grpc_end2end_test_config config) {
-  grpc_buffer_pool *buffer_pool = grpc_buffer_pool_create("test_server");
-  grpc_buffer_pool_resize(buffer_pool, 5 * 1024 * 1024);
+void resource_quota_server(grpc_end2end_test_config config) {
+  grpc_resource_quota *resource_quota =
+      grpc_resource_quota_create("test_server");
+  grpc_resource_quota_resize(resource_quota, 5 * 1024 * 1024);
 
 #define NUM_CALLS 100
 #define CLIENT_BASE_TAG 1000
@@ -120,12 +121,12 @@ void buffer_pool_server(grpc_end2end_test_config config) {
   grpc_arg arg;
   arg.key = GRPC_ARG_BUFFER_POOL;
   arg.type = GRPC_ARG_POINTER;
-  arg.value.pointer.p = buffer_pool;
-  arg.value.pointer.vtable = grpc_buffer_pool_arg_vtable();
+  arg.value.pointer.p = resource_quota;
+  arg.value.pointer.vtable = grpc_resource_quota_arg_vtable();
   grpc_channel_args args = {1, &arg};
 
   grpc_end2end_test_fixture f =
-      begin_test(config, "buffer_pool_server", NULL, &args);
+      begin_test(config, "resource_quota_server", NULL, &args);
 
   /* Create large request and response bodies. These are big enough to require
    * multiple round trips to deliver to the peer, and their exact contents of
@@ -343,10 +344,10 @@ void buffer_pool_server(grpc_end2end_test_config config) {
 
   grpc_byte_buffer_destroy(request_payload);
   gpr_slice_unref(request_payload_slice);
-  grpc_buffer_pool_unref(buffer_pool);
+  grpc_resource_quota_unref(resource_quota);
 
   end_test(&f);
   config.tear_down_data(&f);
 }
 
-void buffer_pool_server_pre_init(void) {}
+void resource_quota_server_pre_init(void) {}
diff --git a/test/core/end2end/tests/resource_quota_server.c b/test/core/end2end/tests/resource_quota_server.c
new file mode 100644
index 0000000000..c658776cba
--- /dev/null
+++ b/test/core/end2end/tests/resource_quota_server.c
@@ -0,0 +1,352 @@
+/*
+ *
+ * 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/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "test/core/end2end/cq_verifier.h"
+
+static void *tag(intptr_t t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_server(&f, server_args);
+  config.init_client(&f, client_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(
+                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
+                 .type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+/* Creates and returns a gpr_slice containing random alphanumeric characters. */
+static gpr_slice generate_random_slice() {
+  size_t i;
+  static const char chars[] = "abcdefghijklmnopqrstuvwxyz1234567890";
+  char output[1024 * 1024];
+  for (i = 0; i < GPR_ARRAY_SIZE(output) - 1; ++i) {
+    output[i] = chars[rand() % (int)(sizeof(chars) - 1)];
+  }
+  output[GPR_ARRAY_SIZE(output) - 1] = '\0';
+  return gpr_slice_from_copied_string(output);
+}
+
+void resource_quota_server(grpc_end2end_test_config config) {
+  grpc_resource_quota *resource_quota = grpc_resource_quota_create("test_server");
+  grpc_resource_quota_resize(resource_quota, 5 * 1024 * 1024);
+
+#define NUM_CALLS 100
+#define CLIENT_BASE_TAG 1000
+#define SERVER_START_BASE_TAG 2000
+#define SERVER_RECV_BASE_TAG 3000
+#define SERVER_END_BASE_TAG 4000
+
+  grpc_arg arg;
+  arg.key = GRPC_ARG_BUFFER_POOL;
+  arg.type = GRPC_ARG_POINTER;
+  arg.value.pointer.p = resource_quota;
+  arg.value.pointer.vtable = grpc_resource_quota_arg_vtable();
+  grpc_channel_args args = {1, &arg};
+
+  grpc_end2end_test_fixture f =
+      begin_test(config, "resource_quota_server", NULL, &args);
+
+  /* Create large request and response bodies. These are big enough to require
+   * multiple round trips to deliver to the peer, and their exact contents of
+   * will be verified on completion. */
+  gpr_slice request_payload_slice = generate_random_slice();
+
+  grpc_call *client_calls[NUM_CALLS];
+  grpc_call *server_calls[NUM_CALLS];
+  grpc_metadata_array initial_metadata_recv[NUM_CALLS];
+  grpc_metadata_array trailing_metadata_recv[NUM_CALLS];
+  grpc_metadata_array request_metadata_recv[NUM_CALLS];
+  grpc_call_details call_details[NUM_CALLS];
+  grpc_status_code status[NUM_CALLS];
+  char *details[NUM_CALLS];
+  size_t details_capacity[NUM_CALLS];
+  grpc_byte_buffer *request_payload_recv[NUM_CALLS];
+  int was_cancelled[NUM_CALLS];
+  grpc_call_error error;
+  int pending_client_calls = 0;
+  int pending_server_start_calls = 0;
+  int pending_server_recv_calls = 0;
+  int pending_server_end_calls = 0;
+  int cancelled_calls_on_client = 0;
+  int cancelled_calls_on_server = 0;
+
+  grpc_byte_buffer *request_payload =
+      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
+
+  grpc_op ops[6];
+  grpc_op *op;
+
+  for (int i = 0; i < NUM_CALLS; i++) {
+    grpc_metadata_array_init(&initial_metadata_recv[i]);
+    grpc_metadata_array_init(&trailing_metadata_recv[i]);
+    grpc_metadata_array_init(&request_metadata_recv[i]);
+    grpc_call_details_init(&call_details[i]);
+    details[i] = NULL;
+    details_capacity[i] = 0;
+    request_payload_recv[i] = NULL;
+    was_cancelled[i] = 0;
+  }
+
+  for (int i = 0; i < NUM_CALLS; i++) {
+    error = grpc_server_request_call(
+        f.server, &server_calls[i], &call_details[i], &request_metadata_recv[i],
+        f.cq, f.cq, tag(SERVER_START_BASE_TAG + i));
+    GPR_ASSERT(GRPC_CALL_OK == error);
+
+    pending_server_start_calls++;
+  }
+
+  for (int i = 0; i < NUM_CALLS; i++) {
+    client_calls[i] = grpc_channel_create_call(
+        f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq, "/foo",
+        "foo.test.google.fr", n_seconds_time(60), NULL);
+
+    memset(ops, 0, sizeof(ops));
+    op = ops;
+    op->op = GRPC_OP_SEND_INITIAL_METADATA;
+    op->data.send_initial_metadata.count = 0;
+    op->flags = 0;
+    op->reserved = NULL;
+    op++;
+    op->op = GRPC_OP_SEND_MESSAGE;
+    op->data.send_message = request_payload;
+    op->flags = 0;
+    op->reserved = NULL;
+    op++;
+    op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+    op->flags = 0;
+    op->reserved = NULL;
+    op++;
+    op->op = GRPC_OP_RECV_INITIAL_METADATA;
+    op->data.recv_initial_metadata = &initial_metadata_recv[i];
+    op->flags = 0;
+    op->reserved = NULL;
+    op++;
+    op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+    op->data.recv_status_on_client.trailing_metadata =
+        &trailing_metadata_recv[i];
+    op->data.recv_status_on_client.status = &status[i];
+    op->data.recv_status_on_client.status_details = &details[i];
+    op->data.recv_status_on_client.status_details_capacity =
+        &details_capacity[i];
+    op->flags = 0;
+    op->reserved = NULL;
+    op++;
+    error = grpc_call_start_batch(client_calls[i], ops, (size_t)(op - ops),
+                                  tag(CLIENT_BASE_TAG + i), NULL);
+    GPR_ASSERT(GRPC_CALL_OK == error);
+
+    pending_client_calls++;
+  }
+
+  while (pending_client_calls + pending_server_recv_calls +
+             pending_server_end_calls >
+         0) {
+    grpc_event ev = grpc_completion_queue_next(f.cq, n_seconds_time(10), NULL);
+    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+
+    int ev_tag = (int)(intptr_t)ev.tag;
+    if (ev_tag < CLIENT_BASE_TAG) {
+      abort(); /* illegal tag */
+    } else if (ev_tag < SERVER_START_BASE_TAG) {
+      /* client call finished */
+      int call_id = ev_tag - CLIENT_BASE_TAG;
+      GPR_ASSERT(call_id >= 0);
+      GPR_ASSERT(call_id < NUM_CALLS);
+      switch (status[call_id]) {
+        case GRPC_STATUS_RESOURCE_EXHAUSTED:
+          cancelled_calls_on_client++;
+          break;
+        case GRPC_STATUS_OK:
+          break;
+        default:
+          gpr_log(GPR_ERROR, "Unexpected status code: %d", status[call_id]);
+          abort();
+      }
+      GPR_ASSERT(pending_client_calls > 0);
+
+      grpc_metadata_array_destroy(&initial_metadata_recv[call_id]);
+      grpc_metadata_array_destroy(&trailing_metadata_recv[call_id]);
+      grpc_call_destroy(client_calls[call_id]);
+      gpr_free(details[call_id]);
+
+      pending_client_calls--;
+    } else if (ev_tag < SERVER_RECV_BASE_TAG) {
+      /* new incoming call to the server */
+      int call_id = ev_tag - SERVER_START_BASE_TAG;
+      GPR_ASSERT(call_id >= 0);
+      GPR_ASSERT(call_id < NUM_CALLS);
+
+      memset(ops, 0, sizeof(ops));
+      op = ops;
+      op->op = GRPC_OP_SEND_INITIAL_METADATA;
+      op->data.send_initial_metadata.count = 0;
+      op->flags = 0;
+      op->reserved = NULL;
+      op++;
+      op->op = GRPC_OP_RECV_MESSAGE;
+      op->data.recv_message = &request_payload_recv[call_id];
+      op->flags = 0;
+      op->reserved = NULL;
+      op++;
+      error =
+          grpc_call_start_batch(server_calls[call_id], ops, (size_t)(op - ops),
+                                tag(SERVER_RECV_BASE_TAG + call_id), NULL);
+      GPR_ASSERT(GRPC_CALL_OK == error);
+
+      GPR_ASSERT(pending_server_start_calls > 0);
+      pending_server_start_calls--;
+      pending_server_recv_calls++;
+
+      grpc_call_details_destroy(&call_details[call_id]);
+      grpc_metadata_array_destroy(&request_metadata_recv[call_id]);
+    } else if (ev_tag < SERVER_END_BASE_TAG) {
+      /* finished read on the server */
+      int call_id = ev_tag - SERVER_RECV_BASE_TAG;
+      GPR_ASSERT(call_id >= 0);
+      GPR_ASSERT(call_id < NUM_CALLS);
+
+      if (ev.success) {
+        if (request_payload_recv[call_id] != NULL) {
+          grpc_byte_buffer_destroy(request_payload_recv[call_id]);
+          request_payload_recv[call_id] = NULL;
+        }
+      } else {
+        GPR_ASSERT(request_payload_recv[call_id] == NULL);
+      }
+
+      memset(ops, 0, sizeof(ops));
+      op = ops;
+      op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+      op->data.recv_close_on_server.cancelled = &was_cancelled[call_id];
+      op->flags = 0;
+      op->reserved = NULL;
+      op++;
+      op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
+      op->data.send_status_from_server.trailing_metadata_count = 0;
+      op->data.send_status_from_server.status = GRPC_STATUS_OK;
+      op->data.send_status_from_server.status_details = "xyz";
+      op->flags = 0;
+      op->reserved = NULL;
+      op++;
+      error =
+          grpc_call_start_batch(server_calls[call_id], ops, (size_t)(op - ops),
+                                tag(SERVER_END_BASE_TAG + call_id), NULL);
+      GPR_ASSERT(GRPC_CALL_OK == error);
+
+      GPR_ASSERT(pending_server_recv_calls > 0);
+      pending_server_recv_calls--;
+      pending_server_end_calls++;
+    } else {
+      int call_id = ev_tag - SERVER_END_BASE_TAG;
+      GPR_ASSERT(call_id >= 0);
+      GPR_ASSERT(call_id < NUM_CALLS);
+
+      if (was_cancelled[call_id]) {
+        cancelled_calls_on_server++;
+      }
+      GPR_ASSERT(pending_server_end_calls > 0);
+      pending_server_end_calls--;
+
+      grpc_call_destroy(server_calls[call_id]);
+    }
+  }
+
+  gpr_log(
+      GPR_INFO,
+      "Done. %d total calls: %d cancelled at server, %d cancelled at client.",
+      NUM_CALLS, cancelled_calls_on_server, cancelled_calls_on_client);
+
+  GPR_ASSERT(cancelled_calls_on_client >= cancelled_calls_on_server);
+  GPR_ASSERT(cancelled_calls_on_server >= 0.9 * cancelled_calls_on_client);
+
+  grpc_byte_buffer_destroy(request_payload);
+  gpr_slice_unref(request_payload_slice);
+  grpc_resource_quota_unref(resource_quota);
+
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void resource_quota_server_pre_init(void) {}