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				|  |  | +/*
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				|  |  | + *
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				|  |  | + * Copyright 2015, Google Inc.
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				|  |  | + * All rights reserved.
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				|  |  | + *
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				|  |  | + * Redistribution and use in source and binary forms, with or without
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				|  |  | + * modification, are permitted provided that the following conditions are
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				|  |  | + * met:
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				|  |  | + *
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				|  |  | + *     * Redistributions of source code must retain the above copyright
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				|  |  | + * notice, this list of conditions and the following disclaimer.
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				|  |  | + *     * Redistributions in binary form must reproduce the above
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				|  |  | + * copyright notice, this list of conditions and the following disclaimer
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				|  |  | + * in the documentation and/or other materials provided with the
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				|  |  | + * distribution.
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				|  |  | + *     * Neither the name of Google Inc. nor the names of its
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				|  |  | + * contributors may be used to endorse or promote products derived from
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				|  |  | + * this software without specific prior written permission.
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				|  |  | + *
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				|  |  | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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				|  |  | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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				|  |  | + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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				|  |  | + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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				|  |  | + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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				|  |  | + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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				|  |  | + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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				|  |  | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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				|  |  | + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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				|  |  | +#include "test/core/end2end/cq_verifier.h"
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				|  |  | +
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				|  |  | +enum { TIMEOUT = 200000 };
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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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				|  |  | +                                            bool request_status_early) {
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				|  |  | +  grpc_end2end_test_fixture f;
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				|  |  | +  gpr_log(GPR_INFO, "%s/%s/request_status_early=%s", test_name, config.name,
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				|  |  | +          request_status_early ? "true" : "false");
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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_time(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_time(void) { return n_seconds_time(5); }
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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_time(), 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->cq, tag(1000));
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				|  |  | +  GPR_ASSERT(grpc_completion_queue_pluck(
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				|  |  | +                 f->cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), 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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				|  |  | +}
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				|  |  | +
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				|  |  | +/* Client sends a request with payload, server reads then returns status. */
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				|  |  | +static void test(grpc_end2end_test_config config, bool request_status_early) {
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				|  |  | +  grpc_call *c;
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				|  |  | +  grpc_call *s;
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				|  |  | +  gpr_slice response_payload1_slice = gpr_slice_from_copied_string("hello");
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				|  |  | +  grpc_byte_buffer *response_payload1 =
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				|  |  | +      grpc_raw_byte_buffer_create(&response_payload1_slice, 1);
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				|  |  | +  gpr_slice response_payload2_slice = gpr_slice_from_copied_string("world");
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				|  |  | +  grpc_byte_buffer *response_payload2 =
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				|  |  | +      grpc_raw_byte_buffer_create(&response_payload2_slice, 1);
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				|  |  | +  gpr_timespec deadline = five_seconds_time();
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				|  |  | +  grpc_end2end_test_fixture f = begin_test(config, "streaming_error_response",
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				|  |  | +                                           NULL, NULL, request_status_early);
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				|  |  | +  cq_verifier *cqv = cq_verifier_create(f.cq);
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				|  |  | +  grpc_op ops[6];
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				|  |  | +  grpc_op *op;
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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_byte_buffer *response_payload1_recv = NULL;
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				|  |  | +  grpc_byte_buffer *response_payload2_recv = NULL;
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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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				|  |  | +  char *details = NULL;
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				|  |  | +  size_t details_capacity = 0;
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				|  |  | +  int was_cancelled = 2;
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				|  |  | +
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				|  |  | +  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
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				|  |  | +                               "/foo", "foo.test.google.fr", deadline, 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++;
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				|  |  | +  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
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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 = &initial_metadata_recv;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_RECV_MESSAGE;
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				|  |  | +  op->data.recv_message = &response_payload1_recv;
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				|  |  | +  op++;
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				|  |  | +  if (request_status_early) {
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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->data.recv_status_on_client.status_details_capacity = &details_capacity;
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				|  |  | +    op++;
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				|  |  | +  }
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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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				|  |  | +  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
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				|  |  | +                                 f.server, &s, &call_details,
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				|  |  | +                                 &request_metadata_recv, f.cq, f.cq, tag(101)));
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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_SEND_INITIAL_METADATA;
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				|  |  | +  op->data.send_initial_metadata.count = 0;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_SEND_MESSAGE;
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				|  |  | +  op->data.send_message = response_payload1;
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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_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_SEND_MESSAGE;
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				|  |  | +  op->data.send_message = response_payload2;
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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(103), 1);
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				|  |  | +  if (!request_status_early) {
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				|  |  | +    cq_expect_completion(cqv, tag(1), 1);
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				|  |  | +  }
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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_CLOSE_ON_SERVER;
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				|  |  | +  op->data.recv_close_on_server.cancelled = &was_cancelled;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
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				|  |  | +  op->data.send_status_from_server.trailing_metadata_count = 0;
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				|  |  | +  op->data.send_status_from_server.status = GRPC_STATUS_FAILED_PRECONDITION;
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				|  |  | +  op->data.send_status_from_server.status_details = "xyz";
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				|  |  | +  op++;
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				|  |  | +  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(104), NULL);
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				|  |  | +  GPR_ASSERT(GRPC_CALL_OK == error);
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				|  |  | +
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				|  |  | +  if (!request_status_early) {
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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 = &response_payload2_recv;
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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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				|  |  | +
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				|  |  | +  cq_expect_completion(cqv, tag(104), 1);
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				|  |  | +  if (request_status_early) {
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				|  |  | +    cq_expect_completion(cqv, tag(1), 1);
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				|  |  | +  } else {
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				|  |  | +    cq_expect_completion(cqv, tag(2), 1);
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				|  |  | +  }
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				|  |  | +  cq_verify(cqv);
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				|  |  | +
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				|  |  | +  if (!request_status_early) {
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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->data.recv_status_on_client.status_details_capacity = &details_capacity;
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				|  |  | +    op++;
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				|  |  | +    error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(3), NULL);
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				|  |  | +    GPR_ASSERT(GRPC_CALL_OK == error);
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				|  |  | +
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				|  |  | +    cq_expect_completion(cqv, tag(3), 1);
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				|  |  | +    cq_verify(cqv);
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				|  |  | +
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				|  |  | +    GPR_ASSERT(response_payload1_recv != NULL);
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				|  |  | +    GPR_ASSERT(response_payload2_recv != NULL);
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  GPR_ASSERT(status == GRPC_STATUS_FAILED_PRECONDITION);
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				|  |  | +  GPR_ASSERT(0 == strcmp(details, "xyz"));
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				|  |  | +  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
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				|  |  | +  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
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				|  |  | +  GPR_ASSERT(was_cancelled == 1);
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				|  |  | +
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				|  |  | +  gpr_free(details);
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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_call_destroy(c);
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				|  |  | +  grpc_call_destroy(s);
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				|  |  | +
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				|  |  | +  cq_verifier_destroy(cqv);
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				|  |  | +
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				|  |  | +  grpc_byte_buffer_destroy(response_payload1);
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				|  |  | +  grpc_byte_buffer_destroy(response_payload2);
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				|  |  | +  grpc_byte_buffer_destroy(response_payload1_recv);
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				|  |  | +  grpc_byte_buffer_destroy(response_payload2_recv);
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				|  |  | +
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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 streaming_error_response(grpc_end2end_test_config config) {
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				|  |  | +  test(config, false);
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				|  |  | +  test(config, true);
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				|  |  | +}
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				|  |  | +
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				|  |  | +void streaming_error_response_pre_init(void) {}
 |