|  | @@ -0,0 +1,298 @@
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				|  |  | +/*
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				|  |  | + *
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				|  |  | + * Copyright 2017 gRPC authors.
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				|  |  | + *
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				|  |  | + * Licensed under the Apache License, Version 2.0 (the "License");
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				|  |  | + * you may not use this file except in compliance with the License.
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				|  |  | + * You may obtain a copy of the License at
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				|  |  | + *
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				|  |  | + *     http://www.apache.org/licenses/LICENSE-2.0
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				|  |  | + *
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				|  |  | + * Unless required by applicable law or agreed to in writing, software
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				|  |  | + * distributed under the License is distributed on an "AS IS" BASIS,
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				|  |  | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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				|  |  | + * See the License for the specific language governing permissions and
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				|  |  | + * limitations under the License.
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				|  |  | + *
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				|  |  | + */
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				|  |  | +
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				|  |  | +#include "test/core/end2end/end2end_tests.h"
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				|  |  | +
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				|  |  | +#include <stdio.h>
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				|  |  | +#include <string.h>
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				|  |  | +
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				|  |  | +#include <grpc/byte_buffer.h>
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				|  |  | +#include <grpc/support/alloc.h>
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				|  |  | +#include <grpc/support/log.h>
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				|  |  | +#include <grpc/support/time.h>
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				|  |  | +#include <grpc/support/useful.h>
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				|  |  | +
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				|  |  | +#include "src/core/lib/channel/channel_args.h"
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				|  |  | +#include "src/core/lib/slice/slice_internal.h"
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				|  |  | +#include "src/core/lib/transport/metadata.h"
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				|  |  | +#include "src/core/lib/transport/service_config.h"
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				|  |  | +
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				|  |  | +#include "test/core/end2end/cq_verifier.h"
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				|  |  | +#include "test/core/end2end/tests/cancel_test_helpers.h"
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				|  |  | +
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				|  |  | +static void *tag(intptr_t t) { return (void *)t; }
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				|  |  | +
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				|  |  | +static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
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				|  |  | +                                            const char *test_name,
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				|  |  | +                                            grpc_channel_args *client_args,
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				|  |  | +                                            grpc_channel_args *server_args) {
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				|  |  | +  grpc_end2end_test_fixture f;
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				|  |  | +  gpr_log(GPR_INFO, "Running test: %s/%s", test_name, config.name);
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				|  |  | +  f = config.create_fixture(client_args, server_args);
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				|  |  | +  config.init_server(&f, server_args);
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				|  |  | +  config.init_client(&f, client_args);
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				|  |  | +  return f;
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				|  |  | +}
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				|  |  | +
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				|  |  | +static gpr_timespec n_seconds_from_now(int n) {
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				|  |  | +  return grpc_timeout_seconds_to_deadline(n);
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				|  |  | +}
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				|  |  | +
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				|  |  | +static gpr_timespec five_seconds_from_now(void) {
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				|  |  | +  return n_seconds_from_now(5);
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void drain_cq(grpc_completion_queue *cq) {
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				|  |  | +  grpc_event ev;
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				|  |  | +  do {
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				|  |  | +    ev = grpc_completion_queue_next(cq, five_seconds_from_now(), NULL);
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				|  |  | +  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void shutdown_server(grpc_end2end_test_fixture *f) {
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				|  |  | +  if (!f->server) return;
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				|  |  | +  grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000));
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				|  |  | +  GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000),
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				|  |  | +                                         grpc_timeout_seconds_to_deadline(5),
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				|  |  | +                                         NULL)
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				|  |  | +                 .type == GRPC_OP_COMPLETE);
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				|  |  | +  grpc_server_destroy(f->server);
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				|  |  | +  f->server = NULL;
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void shutdown_client(grpc_end2end_test_fixture *f) {
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				|  |  | +  if (!f->client) return;
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				|  |  | +  grpc_channel_destroy(f->client);
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				|  |  | +  f->client = NULL;
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void end_test(grpc_end2end_test_fixture *f) {
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				|  |  | +  shutdown_server(f);
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				|  |  | +  shutdown_client(f);
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				|  |  | +
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				|  |  | +  grpc_completion_queue_shutdown(f->cq);
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				|  |  | +  drain_cq(f->cq);
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				|  |  | +  grpc_completion_queue_destroy(f->cq);
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				|  |  | +  grpc_completion_queue_destroy(f->shutdown_cq);
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				|  |  | +}
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				|  |  | +
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				|  |  | +/* Cancel after accept, no payload */
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				|  |  | +static void test_cancel_after_round_trip(grpc_end2end_test_config config,
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				|  |  | +                                         cancellation_mode mode,
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				|  |  | +                                         bool use_service_config) {
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				|  |  | +  grpc_op ops[6];
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				|  |  | +  grpc_op *op;
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				|  |  | +  grpc_call *c;
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				|  |  | +  grpc_call *s;
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				|  |  | +  grpc_metadata_array initial_metadata_recv;
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				|  |  | +  grpc_metadata_array trailing_metadata_recv;
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				|  |  | +  grpc_metadata_array request_metadata_recv;
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				|  |  | +  grpc_call_details call_details;
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				|  |  | +  grpc_status_code status;
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				|  |  | +  grpc_call_error error;
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				|  |  | +  grpc_slice details;
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				|  |  | +  grpc_byte_buffer *request_payload_recv = NULL;
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				|  |  | +  grpc_byte_buffer *response_payload_recv = NULL;
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				|  |  | +  grpc_slice request_payload_slice =
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				|  |  | +      grpc_slice_from_copied_string("hello world");
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				|  |  | +  grpc_slice response_payload_slice =
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				|  |  | +      grpc_slice_from_copied_string("hello you");
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				|  |  | +  grpc_byte_buffer *request_payload =
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				|  |  | +      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
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				|  |  | +  grpc_byte_buffer *response_payload =
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				|  |  | +      grpc_raw_byte_buffer_create(&response_payload_slice, 1);
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				|  |  | +  int was_cancelled = 2;
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				|  |  | +
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				|  |  | +  grpc_channel_args *args = NULL;
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				|  |  | +  if (use_service_config) {
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				|  |  | +    grpc_arg arg;
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				|  |  | +    arg.type = GRPC_ARG_STRING;
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				|  |  | +    arg.key = GRPC_ARG_SERVICE_CONFIG;
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				|  |  | +    arg.value.string =
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				|  |  | +        "{\n"
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				|  |  | +        "  \"methodConfig\": [ {\n"
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				|  |  | +        "    \"name\": [\n"
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				|  |  | +        "      { \"service\": \"service\", \"method\": \"method\" }\n"
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				|  |  | +        "    ],\n"
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				|  |  | +        "    \"timeout\": \"5s\"\n"
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				|  |  | +        "  } ]\n"
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				|  |  | +        "}";
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				|  |  | +    args = grpc_channel_args_copy_and_add(args, &arg, 1);
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  grpc_end2end_test_fixture f =
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				|  |  | +      begin_test(config, "cancel_after_round_trip", args, NULL);
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				|  |  | +  cq_verifier *cqv = cq_verifier_create(f.cq);
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				|  |  | +
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				|  |  | +  gpr_timespec deadline = use_service_config
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				|  |  | +                              ? gpr_inf_future(GPR_CLOCK_MONOTONIC)
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				|  |  | +                              : five_seconds_from_now();
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				|  |  | +  c = grpc_channel_create_call(
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				|  |  | +      f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
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				|  |  | +      grpc_slice_from_static_string("/service/method"),
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				|  |  | +      get_host_override_slice("foo.test.google.fr:1234", config), deadline,
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				|  |  | +      NULL);
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				|  |  | +  GPR_ASSERT(c);
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				|  |  | +
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				|  |  | +  grpc_metadata_array_init(&initial_metadata_recv);
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				|  |  | +  grpc_metadata_array_init(&trailing_metadata_recv);
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				|  |  | +  grpc_metadata_array_init(&request_metadata_recv);
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				|  |  | +  grpc_call_details_init(&call_details);
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				|  |  | +
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				|  |  | +  memset(ops, 0, sizeof(ops));
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				|  |  | +  op = ops;
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				|  |  | +  op->op = GRPC_OP_SEND_INITIAL_METADATA;
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				|  |  | +  op->data.send_initial_metadata.count = 0;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_SEND_MESSAGE;
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				|  |  | +  op->data.send_message.send_message = request_payload;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_RECV_INITIAL_METADATA;
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				|  |  | +  op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_RECV_MESSAGE;
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				|  |  | +  op->data.recv_message.recv_message = &response_payload_recv;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
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				|  |  | +  GPR_ASSERT(GRPC_CALL_OK == error);
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				|  |  | +
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				|  |  | +  error =
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				|  |  | +      grpc_server_request_call(f.server, &s, &call_details,
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				|  |  | +                               &request_metadata_recv, f.cq, f.cq, tag(101));
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				|  |  | +  GPR_ASSERT(GRPC_CALL_OK == error);
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				|  |  | +  CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
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				|  |  | +  cq_verify(cqv);
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				|  |  | +
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				|  |  | +  memset(ops, 0, sizeof(ops));
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				|  |  | +  op = ops;
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				|  |  | +  op->op = GRPC_OP_RECV_MESSAGE;
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				|  |  | +  op->data.recv_message.recv_message = &request_payload_recv;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_SEND_INITIAL_METADATA;
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				|  |  | +  op->data.send_initial_metadata.count = 0;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_SEND_MESSAGE;
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				|  |  | +  op->data.send_message.send_message = response_payload;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
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				|  |  | +  GPR_ASSERT(GRPC_CALL_OK == error);
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				|  |  | +
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				|  |  | +  CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
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				|  |  | +  CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
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				|  |  | +  cq_verify(cqv);
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				|  |  | +
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				|  |  | +  grpc_byte_buffer_destroy(request_payload_recv);
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				|  |  | +  grpc_byte_buffer_destroy(response_payload_recv);
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				|  |  | +  request_payload_recv = NULL;
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				|  |  | +  response_payload_recv = NULL;
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				|  |  | +
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				|  |  | +  memset(ops, 0, sizeof(ops));
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				|  |  | +  op = ops;
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				|  |  | +  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
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				|  |  | +  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
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				|  |  | +  op->data.recv_status_on_client.status = &status;
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				|  |  | +  op->data.recv_status_on_client.status_details = &details;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_RECV_MESSAGE;
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				|  |  | +  op->data.recv_message.recv_message = &response_payload_recv;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(2), NULL);
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				|  |  | +  GPR_ASSERT(GRPC_CALL_OK == error);
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				|  |  | +
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				|  |  | +  GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c, NULL));
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				|  |  | +
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				|  |  | +  memset(ops, 0, sizeof(ops));
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				|  |  | +  op = ops;
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				|  |  | +  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
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				|  |  | +  op->data.recv_close_on_server.cancelled = &was_cancelled;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_SEND_MESSAGE;
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				|  |  | +  op->data.send_message.send_message = response_payload;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
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				|  |  | +  GPR_ASSERT(GRPC_CALL_OK == error);
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				|  |  | +
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				|  |  | +  CQ_EXPECT_COMPLETION(cqv, tag(2), 1);
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				|  |  | +  CQ_EXPECT_COMPLETION(cqv, tag(103), 1);
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				|  |  | +  cq_verify(cqv);
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				|  |  | +
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				|  |  | +  GPR_ASSERT(status == mode.expect_status || status == GRPC_STATUS_INTERNAL);
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				|  |  | +  GPR_ASSERT(was_cancelled == 1);
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				|  |  | +
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				|  |  | +  grpc_metadata_array_destroy(&initial_metadata_recv);
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				|  |  | +  grpc_metadata_array_destroy(&trailing_metadata_recv);
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				|  |  | +  grpc_metadata_array_destroy(&request_metadata_recv);
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				|  |  | +  grpc_call_details_destroy(&call_details);
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				|  |  | +
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				|  |  | +  grpc_byte_buffer_destroy(request_payload);
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				|  |  | +  grpc_byte_buffer_destroy(response_payload);
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				|  |  | +  grpc_byte_buffer_destroy(request_payload_recv);
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				|  |  | +  grpc_byte_buffer_destroy(response_payload_recv);
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				|  |  | +  grpc_slice_unref(details);
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				|  |  | +
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				|  |  | +  grpc_call_unref(c);
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				|  |  | +  grpc_call_unref(s);
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				|  |  | +
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				|  |  | +  if (args != NULL) {
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				|  |  | +    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
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				|  |  | +    grpc_channel_args_destroy(&exec_ctx, args);
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				|  |  | +    grpc_exec_ctx_finish(&exec_ctx);
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  cq_verifier_destroy(cqv);
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				|  |  | +  end_test(&f);
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				|  |  | +  config.tear_down_data(&f);
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				|  |  | +}
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				|  |  | +
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				|  |  | +void cancel_after_round_trip(grpc_end2end_test_config config) {
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				|  |  | +  unsigned i;
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				|  |  | +
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				|  |  | +  for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
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				|  |  | +    test_cancel_after_round_trip(config, cancellation_modes[i],
 | 
	
		
			
				|  |  | +                                 false /* use_service_config */);
 | 
	
		
			
				|  |  | +    if (config.feature_mask & FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL &&
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				|  |  | +        cancellation_modes[i].expect_status == GRPC_STATUS_DEADLINE_EXCEEDED) {
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				|  |  | +      test_cancel_after_round_trip(config, cancellation_modes[i],
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				|  |  | +                                   true /* use_service_config */);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +  }
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +void cancel_after_round_trip_pre_init(void) {}
 |