Example #1
0
static void test_get(int port) {
  grpc_httpcli_request req;
  char *host;
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;

  g_done = 0;
  gpr_log(GPR_INFO, "test_get");

  gpr_asprintf(&host, "localhost:%d", port);
  gpr_log(GPR_INFO, "requesting from %s", host);

  memset(&req, 0, sizeof(req));
  req.host = host;
  req.path = "/get";
  req.handshaker = &grpc_httpcli_plaintext;

  grpc_httpcli_get(&exec_ctx, &g_context, &g_pollset, &req, n_seconds_time(15),
                   on_finish, (void *)42);
  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
  while (!g_done) {
    grpc_pollset_worker worker;
    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
                      gpr_now(GPR_CLOCK_MONOTONIC), n_seconds_time(20));
    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
    grpc_exec_ctx_finish(&exec_ctx);
    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
  }
  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
  gpr_free(host);
}
Example #2
0
static void test_post(int port) {
  grpc_httpcli_request req;
  char *host;
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;

  g_done = 0;
  gpr_log(GPR_INFO, "test_post");

  gpr_asprintf(&host, "localhost:%d", port);
  gpr_log(GPR_INFO, "posting to %s", host);

  memset(&req, 0, sizeof(req));
  req.host = host;
  req.ssl_host_override = "foo.test.google.fr";
  req.path = "/post";
  req.handshaker = &grpc_httpcli_ssl;

  grpc_httpcli_post(&exec_ctx, &g_context, &g_pollset, &req, "hello", 5,
                    n_seconds_time(15), on_finish, (void *)42);
  gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
  while (!g_done) {
    grpc_pollset_worker *worker = NULL;
    grpc_pollset_work(&exec_ctx, &g_pollset, &worker,
                      gpr_now(GPR_CLOCK_MONOTONIC), n_seconds_time(20));
    gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
    grpc_exec_ctx_finish(&exec_ctx);
    gpr_mu_lock(GRPC_POLLSET_MU(&g_pollset));
  }
  gpr_mu_unlock(GRPC_POLLSET_MU(&g_pollset));
  gpr_free(host);
}
Example #3
0
static void test_get(int use_ssl) {
  grpc_httpcli_request req;

  gpr_log(GPR_INFO, "running %s with use_ssl=%d.", "test_get", use_ssl);

  gpr_event_init(&g_done);
  memset(&req, 0, sizeof(req));
  req.host = "www.google.com";
  req.path = "/";
  req.use_ssl = use_ssl;

  grpc_httpcli_get(&req, n_seconds_time(15), on_finish, (void *)42);
  GPR_ASSERT(gpr_event_wait(&g_done, n_seconds_time(20)));
}
Example #4
0
static void drain_cq(grpc_completion_queue *cq) {
  grpc_event *ev;
  grpc_completion_type type;
  do {
    ev = grpc_completion_queue_next(cq, n_seconds_time(5));
    GPR_ASSERT(ev);
    type = ev->type;
    grpc_event_finish(ev);
  } while (type != GRPC_QUEUE_SHUTDOWN);
}
Example #5
0
static void test_post(int port) {
  grpc_httpcli_request req;
  char *host;
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;

  g_done = 0;
  gpr_log(GPR_INFO, "test_post");

  gpr_asprintf(&host, "localhost:%d", port);
  gpr_log(GPR_INFO, "posting to %s", host);

  memset(&req, 0, sizeof(req));
  req.host = host;
  req.ssl_host_override = "foo.test.google.fr";
  req.http.path = "/post";
  req.handshaker = &grpc_httpcli_ssl;

  grpc_http_response response;
  memset(&response, 0, sizeof(response));
  grpc_resource_quota *resource_quota = grpc_resource_quota_create("test_post");
  grpc_httpcli_post(
      &exec_ctx, &g_context, &g_pops, resource_quota, &req, "hello", 5,
      n_seconds_time(15),
      grpc_closure_create(on_finish, &response, grpc_schedule_on_exec_ctx),
      &response);
  grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
  gpr_mu_lock(g_mu);
  while (!g_done) {
    grpc_pollset_worker *worker = NULL;
    GPR_ASSERT(GRPC_LOG_IF_ERROR(
        "pollset_work",
        grpc_pollset_work(&exec_ctx, grpc_polling_entity_pollset(&g_pops),
                          &worker, gpr_now(GPR_CLOCK_MONOTONIC),
                          n_seconds_time(20))));
    gpr_mu_unlock(g_mu);
    grpc_exec_ctx_finish(&exec_ctx);
    gpr_mu_lock(g_mu);
  }
  gpr_mu_unlock(g_mu);
  gpr_free(host);
  grpc_http_response_destroy(&response);
}
Example #6
0
static void test_get(int port) {
  grpc_httpcli_request req;
  char *host;
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;

  g_done = 0;
  gpr_log(GPR_INFO, "test_get");

  gpr_asprintf(&host, "localhost:%d", port);
  gpr_log(GPR_INFO, "requesting from %s", host);

  memset(&req, 0, sizeof(req));
  req.host = host;
  req.http.path = "/get";
  req.handshaker = &grpc_httpcli_plaintext;

  grpc_http_response response;
  memset(&response, 0, sizeof(response));
  grpc_httpcli_get(&exec_ctx, &g_context, &g_pops, &req, n_seconds_time(15),
                   grpc_closure_create(on_finish, &response), &response);
  gpr_mu_lock(g_mu);
  while (!g_done) {
    grpc_pollset_worker *worker = NULL;
    GPR_ASSERT(GRPC_LOG_IF_ERROR(
        "pollset_work",
        grpc_pollset_work(&exec_ctx, grpc_polling_entity_pollset(&g_pops),
                          &worker, gpr_now(GPR_CLOCK_MONOTONIC),
                          n_seconds_time(20))));
    gpr_mu_unlock(g_mu);
    grpc_exec_ctx_finish(&exec_ctx);
    gpr_mu_lock(g_mu);
  }
  gpr_mu_unlock(g_mu);
  gpr_free(host);
  grpc_http_response_destroy(&response);
}
Example #7
0
static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
Example #8
0
static void test_body(grpc_end2end_test_fixture f) {
  grpc_call *c;
  grpc_call *s;
  gpr_timespec deadline = n_seconds_time(5);
  cq_verifier *cqv = cq_verifier_create(f.cq);
  grpc_op ops[6];
  grpc_op *op;
  grpc_metadata_array initial_metadata_recv;
  grpc_metadata_array trailing_metadata_recv;
  grpc_metadata_array request_metadata_recv;
  grpc_call_details call_details;
  grpc_status_code status;
  char *details = NULL;
  size_t details_capacity = 0;
  int was_cancelled = 2;

  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
                               "/foo", "foo.test.google.fr:1234", deadline);
  GPR_ASSERT(c);

  grpc_metadata_array_init(&initial_metadata_recv);
  grpc_metadata_array_init(&trailing_metadata_recv);
  grpc_metadata_array_init(&request_metadata_recv);
  grpc_call_details_init(&call_details);

  op = ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  op->flags = 0;
  op++;
  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
  op->flags = 0;
  op++;
  op->op = GRPC_OP_RECV_INITIAL_METADATA;
  op->data.recv_initial_metadata = &initial_metadata_recv;
  op->flags = 0;
  op++;
  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
  op->data.recv_status_on_client.status = &status;
  op->data.recv_status_on_client.status_details = &details;
  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
  op->flags = 0;
  op++;
  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));

  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
                                 f.server, &s, &call_details,
                                 &request_metadata_recv, f.cq, f.cq, tag(101)));
  cq_expect_completion(cqv, tag(101), 1);
  cq_verify(cqv);

  op = ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  op->flags = 0;
  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_UNIMPLEMENTED;
  op->data.send_status_from_server.status_details = "xyz";
  op->flags = 0;
  op++;
  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
  op->data.recv_close_on_server.cancelled = &was_cancelled;
  op->flags = 0;
  op++;
  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));

  cq_expect_completion(cqv, tag(102), 1);
  cq_expect_completion(cqv, tag(1), 1);
  cq_verify(cqv);

  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
  GPR_ASSERT(0 == strcmp(details, "xyz"));
  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
  GPR_ASSERT(was_cancelled == 1);

  gpr_free(details);
  grpc_metadata_array_destroy(&initial_metadata_recv);
  grpc_metadata_array_destroy(&trailing_metadata_recv);
  grpc_metadata_array_destroy(&request_metadata_recv);
  grpc_call_details_destroy(&call_details);

  grpc_call_destroy(c);
  grpc_call_destroy(s);

  cq_verifier_destroy(cqv);
}
Example #9
0
static void drain_cq(grpc_completion_queue *cq) {
  grpc_event ev;
  do {
    ev = grpc_completion_queue_next(cq, n_seconds_time(5));
  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
}
Example #10
0
static void test_invoke_large_request(grpc_end2end_test_config config) {
  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);

  gpr_slice request_payload_slice = large_slice();
  gpr_slice response_payload_slice = large_slice();
  grpc_call *c;
  grpc_call *s;
  grpc_byte_buffer *request_payload =
      grpc_byte_buffer_create(&request_payload_slice, 1);
  grpc_byte_buffer *response_payload =
      grpc_byte_buffer_create(&response_payload_slice, 1);
  gpr_timespec deadline = n_seconds_time(30);
  cq_verifier *v_client = cq_verifier_create(f.client_cq);
  cq_verifier *v_server = cq_verifier_create(f.server_cq);
  grpc_op ops[6];
  grpc_op *op;
  grpc_metadata_array initial_metadata_recv;
  grpc_metadata_array trailing_metadata_recv;
  grpc_metadata_array request_metadata_recv;
  grpc_byte_buffer *request_payload_recv = NULL;
  grpc_byte_buffer *response_payload_recv = NULL;
  grpc_call_details call_details;
  grpc_status_code status;
  char *details = NULL;
  size_t details_capacity = 0;
  int was_cancelled = 2;

  c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
                               "foo.test.google.fr", deadline);
  GPR_ASSERT(c);

  grpc_metadata_array_init(&initial_metadata_recv);
  grpc_metadata_array_init(&trailing_metadata_recv);
  grpc_metadata_array_init(&request_metadata_recv);
  grpc_call_details_init(&call_details);

  op = ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  op++;
  op->op = GRPC_OP_SEND_MESSAGE;
  op->data.send_message = request_payload;
  op++;
  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
  op++;
  op->op = GRPC_OP_RECV_INITIAL_METADATA;
  op->data.recv_initial_metadata = &initial_metadata_recv;
  op++;
  op->op = GRPC_OP_RECV_MESSAGE;
  op->data.recv_message = &response_payload_recv;
  op++;
  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
  op->data.recv_status_on_client.status = &status;
  op->data.recv_status_on_client.status_details = &details;
  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
  op++;
  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));

  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
                                                      &call_details,
                                                      &request_metadata_recv,
                                                      f.server_cq, tag(101)));
  cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
  cq_verify(v_server);

  op = ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  op++;
  op->op = GRPC_OP_SEND_MESSAGE;
  op->data.send_message = response_payload;
  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_UNIMPLEMENTED;
  op->data.send_status_from_server.status_details = "xyz";
  op++;
  op->op = GRPC_OP_RECV_MESSAGE;
  op->data.recv_message = &request_payload_recv;
  op++;
  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
  op->data.recv_close_on_server.cancelled = &was_cancelled;
  op++;
  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));

  cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
  cq_verify(v_server);

  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
  cq_verify(v_client);

  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
  GPR_ASSERT(0 == strcmp(details, "xyz"));
  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
  GPR_ASSERT(was_cancelled == 0);

  gpr_free(details);
  grpc_metadata_array_destroy(&initial_metadata_recv);
  grpc_metadata_array_destroy(&trailing_metadata_recv);
  grpc_metadata_array_destroy(&request_metadata_recv);
  grpc_call_details_destroy(&call_details);

  grpc_call_destroy(c);
  grpc_call_destroy(s);

  cq_verifier_destroy(v_client);
  cq_verifier_destroy(v_server);

  grpc_byte_buffer_destroy(request_payload);
  grpc_byte_buffer_destroy(response_payload);
  grpc_byte_buffer_destroy(request_payload_recv);
  grpc_byte_buffer_destroy(response_payload_recv);
  gpr_slice_unref(request_payload_slice);
  gpr_slice_unref(response_payload_slice);

  end_test(&f);
  config.tear_down_data(&f);
}
Example #11
0
static void test_max_concurrent_streams(grpc_end2end_test_config config) {
  grpc_end2end_test_fixture f;
  grpc_arg server_arg;
  grpc_channel_args server_args;
  grpc_call *c1;
  grpc_call *c2;
  grpc_call *s1;
  grpc_call *s2;
  int live_call;
  gpr_timespec deadline;
  cq_verifier *cqv;
  grpc_event ev;
  grpc_call_details call_details;
  grpc_metadata_array request_metadata_recv;
  grpc_metadata_array initial_metadata_recv1;
  grpc_metadata_array trailing_metadata_recv1;
  grpc_metadata_array initial_metadata_recv2;
  grpc_metadata_array trailing_metadata_recv2;
  grpc_status_code status1;
  grpc_call_error error;
  char *details1 = NULL;
  size_t details_capacity1 = 0;
  grpc_status_code status2;
  char *details2 = NULL;
  size_t details_capacity2 = 0;
  grpc_op ops[6];
  grpc_op *op;
  int was_cancelled;
  int got_client_start;
  int got_server_start;

  server_arg.key = GRPC_ARG_MAX_CONCURRENT_STREAMS;
  server_arg.type = GRPC_ARG_INTEGER;
  server_arg.value.integer = 1;

  server_args.num_args = 1;
  server_args.args = &server_arg;

  f = begin_test(config, "test_max_concurrent_streams", NULL, &server_args);
  cqv = cq_verifier_create(f.cq);

  grpc_metadata_array_init(&request_metadata_recv);
  grpc_metadata_array_init(&initial_metadata_recv1);
  grpc_metadata_array_init(&trailing_metadata_recv1);
  grpc_metadata_array_init(&initial_metadata_recv2);
  grpc_metadata_array_init(&trailing_metadata_recv2);
  grpc_call_details_init(&call_details);

  /* perform a ping-pong to ensure that settings have had a chance to round
     trip */
  simple_request_body(f);
  /* perform another one to make sure that the one stream case still works */
  simple_request_body(f);

  /* start two requests - ensuring that the second is not accepted until
     the first completes */
  deadline = n_seconds_time(1000);
  c1 = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
                                "/alpha", "foo.test.google.fr:1234", deadline,
                                NULL);
  GPR_ASSERT(c1);
  c2 = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
                                "/beta", "foo.test.google.fr:1234", deadline,
                                NULL);
  GPR_ASSERT(c2);

  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
                                 f.server, &s1, &call_details,
                                 &request_metadata_recv, f.cq, f.cq, tag(101)));

  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_CLOSE_FROM_CLIENT;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(c1, ops, (size_t)(op - ops), tag(301), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  op = ops;
  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv1;
  op->data.recv_status_on_client.status = &status1;
  op->data.recv_status_on_client.status_details = &details1;
  op->data.recv_status_on_client.status_details_capacity = &details_capacity1;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_RECV_INITIAL_METADATA;
  op->data.recv_initial_metadata = &initial_metadata_recv1;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(c1, ops, (size_t)(op - ops), tag(302), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  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_CLOSE_FROM_CLIENT;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(c2, ops, (size_t)(op - ops), tag(401), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  op = ops;
  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv2;
  op->data.recv_status_on_client.status = &status2;
  op->data.recv_status_on_client.status_details = &details2;
  op->data.recv_status_on_client.status_details_capacity = &details_capacity2;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_RECV_INITIAL_METADATA;
  op->data.recv_initial_metadata = &initial_metadata_recv1;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(c2, ops, (size_t)(op - ops), tag(402), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  got_client_start = 0;
  got_server_start = 0;
  live_call = -1;
  while (!got_client_start || !got_server_start) {
    ev = grpc_completion_queue_next(f.cq, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3),
                                    NULL);
    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
    GPR_ASSERT(ev.success);
    if (ev.tag == tag(101)) {
      GPR_ASSERT(!got_server_start);
      got_server_start = 1;
    } else {
      GPR_ASSERT(!got_client_start);
      GPR_ASSERT(ev.tag == tag(301) || ev.tag == tag(401));
      /* The /alpha or /beta calls started above could be invoked (but NOT
       * both);
       * check this here */
      /* We'll get tag 303 or 403, we want 300, 400 */
      live_call = ((int)(intptr_t)ev.tag) - 1;
      got_client_start = 1;
    }
  }
  GPR_ASSERT(live_call == 300 || live_call == 400);

  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_CLOSE_ON_SERVER;
  op->data.recv_close_on_server.cancelled = &was_cancelled;
  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_UNIMPLEMENTED;
  op->data.send_status_from_server.status_details = "xyz";
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(s1, ops, (size_t)(op - ops), tag(102), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  cq_expect_completion(cqv, tag(102), 1);
  cq_expect_completion(cqv, tag(live_call + 2), 1);
  /* first request is finished, we should be able to start the second */
  live_call = (live_call == 300) ? 400 : 300;
  cq_expect_completion(cqv, tag(live_call + 1), 1);
  cq_verify(cqv);

  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
                                 f.server, &s2, &call_details,
                                 &request_metadata_recv, f.cq, f.cq, tag(201)));
  cq_expect_completion(cqv, tag(201), 1);
  cq_verify(cqv);

  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_CLOSE_ON_SERVER;
  op->data.recv_close_on_server.cancelled = &was_cancelled;
  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_UNIMPLEMENTED;
  op->data.send_status_from_server.status_details = "xyz";
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(s2, ops, (size_t)(op - ops), tag(202), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  cq_expect_completion(cqv, tag(live_call + 2), 1);
  cq_expect_completion(cqv, tag(202), 1);
  cq_verify(cqv);

  cq_verifier_destroy(cqv);

  grpc_call_destroy(c1);
  grpc_call_destroy(s1);
  grpc_call_destroy(c2);
  grpc_call_destroy(s2);

  gpr_free(details1);
  gpr_free(details2);
  grpc_metadata_array_destroy(&initial_metadata_recv1);
  grpc_metadata_array_destroy(&trailing_metadata_recv1);
  grpc_metadata_array_destroy(&initial_metadata_recv2);
  grpc_metadata_array_destroy(&trailing_metadata_recv2);
  grpc_metadata_array_destroy(&request_metadata_recv);
  grpc_call_details_destroy(&call_details);

  end_test(&f);
  config.tear_down_data(&f);
}
Example #12
0
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_RESOURCE_QUOTA;
  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. */
  grpc_slice request_payload_slice = generate_random_slice();

  grpc_call **client_calls = malloc(sizeof(grpc_call *) * NUM_CALLS);
  grpc_call **server_calls = malloc(sizeof(grpc_call *) * NUM_CALLS);
  grpc_metadata_array *initial_metadata_recv =
      malloc(sizeof(grpc_metadata_array) * NUM_CALLS);
  grpc_metadata_array *trailing_metadata_recv =
      malloc(sizeof(grpc_metadata_array) * NUM_CALLS);
  grpc_metadata_array *request_metadata_recv =
      malloc(sizeof(grpc_metadata_array) * NUM_CALLS);
  grpc_call_details *call_details =
      malloc(sizeof(grpc_call_details) * NUM_CALLS);
  grpc_status_code *status = malloc(sizeof(grpc_status_code) * NUM_CALLS);
  char **details = malloc(sizeof(char *) * NUM_CALLS);
  size_t *details_capacity = malloc(sizeof(size_t) * NUM_CALLS);
  grpc_byte_buffer **request_payload_recv =
      malloc(sizeof(grpc_byte_buffer *) * NUM_CALLS);
  int *was_cancelled = malloc(sizeof(int) * 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(60), 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);

  /* The call may be cancelled after the server has sent its status but before
   * the client has received it. This means that we should see strictly more
   * failures on the client than on the server. */
  GPR_ASSERT(cancelled_calls_on_client >= cancelled_calls_on_server);
  /* However, we shouldn't see radically more... 0.9 is a guessed bound on what
   * we'd want that ratio to be... to at least trigger some investigation should
   * that ratio become much higher. */
  GPR_ASSERT(cancelled_calls_on_server >= 0.9 * cancelled_calls_on_client);

  grpc_byte_buffer_destroy(request_payload);
  grpc_slice_unref(request_payload_slice);
  grpc_resource_quota_unref(resource_quota);

  free(client_calls);
  free(server_calls);
  free(initial_metadata_recv);
  free(trailing_metadata_recv);
  free(request_metadata_recv);
  free(call_details);
  free(status);
  free(details);
  free(details_capacity);
  free(request_payload_recv);
  free(was_cancelled);

  end_test(&f);
  config.tear_down_data(&f);
}
Example #13
0
static void test_invoke_large_request(grpc_end2end_test_config config,
                                      int max_frame_size, int lookahead_bytes) {
  char *name;
  gpr_asprintf(&name,
               "test_invoke_large_request:max_frame_size=%d:lookahead_bytes=%d",
               max_frame_size, lookahead_bytes);

  grpc_arg args[2];
  args[0].type = GRPC_ARG_INTEGER;
  args[0].key = GRPC_ARG_HTTP2_MAX_FRAME_SIZE;
  args[0].value.integer = max_frame_size;
  args[1].type = GRPC_ARG_INTEGER;
  args[1].key = GRPC_ARG_HTTP2_STREAM_LOOKAHEAD_BYTES;
  args[1].value.integer = lookahead_bytes;
  grpc_channel_args channel_args = {GPR_ARRAY_SIZE(args), args};

  grpc_end2end_test_fixture f =
      begin_test(config, name, &channel_args, &channel_args);
  gpr_free(name);

  grpc_slice request_payload_slice = large_slice();
  grpc_slice response_payload_slice = large_slice();
  grpc_call *c;
  grpc_call *s;
  grpc_byte_buffer *request_payload =
      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
  grpc_byte_buffer *response_payload =
      grpc_raw_byte_buffer_create(&response_payload_slice, 1);
  gpr_timespec deadline = n_seconds_time(30);
  cq_verifier *cqv = cq_verifier_create(f.cq);
  grpc_op ops[6];
  grpc_op *op;
  grpc_metadata_array initial_metadata_recv;
  grpc_metadata_array trailing_metadata_recv;
  grpc_metadata_array request_metadata_recv;
  grpc_byte_buffer *request_payload_recv = NULL;
  grpc_byte_buffer *response_payload_recv = NULL;
  grpc_call_details call_details;
  grpc_status_code status;
  grpc_call_error error;
  char *details = NULL;
  size_t details_capacity = 0;
  int was_cancelled = 2;

  c = grpc_channel_create_call(
      f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq, "/foo",
      get_host_override_string("foo.test.google.fr:1234", config), deadline,
      NULL);
  GPR_ASSERT(c);

  grpc_metadata_array_init(&initial_metadata_recv);
  grpc_metadata_array_init(&trailing_metadata_recv);
  grpc_metadata_array_init(&request_metadata_recv);
  grpc_call_details_init(&call_details);

  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;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_RECV_MESSAGE;
  op->data.recv_message = &response_payload_recv;
  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;
  op->data.recv_status_on_client.status = &status;
  op->data.recv_status_on_client.status_details = &details;
  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  error =
      grpc_server_request_call(f.server, &s, &call_details,
                               &request_metadata_recv, f.cq, f.cq, tag(101));
  GPR_ASSERT(GRPC_CALL_OK == error);
  CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
  cq_verify(cqv);

  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;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
  cq_verify(cqv);

  memset(ops, 0, sizeof(ops));
  op = ops;
  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
  op->data.recv_close_on_server.cancelled = &was_cancelled;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_SEND_MESSAGE;
  op->data.send_message = response_payload;
  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_UNIMPLEMENTED;
  op->data.send_status_from_server.status_details = "xyz";
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  CQ_EXPECT_COMPLETION(cqv, tag(103), 1);
  CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
  cq_verify(cqv);

  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
  GPR_ASSERT(0 == strcmp(details, "xyz"));
  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
  validate_host_override_string("foo.test.google.fr:1234", call_details.host,
                                config);
  GPR_ASSERT(was_cancelled == 1);

  gpr_free(details);
  grpc_metadata_array_destroy(&initial_metadata_recv);
  grpc_metadata_array_destroy(&trailing_metadata_recv);
  grpc_metadata_array_destroy(&request_metadata_recv);
  grpc_call_details_destroy(&call_details);

  grpc_call_destroy(c);
  grpc_call_destroy(s);

  cq_verifier_destroy(cqv);

  grpc_byte_buffer_destroy(request_payload);
  grpc_byte_buffer_destroy(response_payload);
  grpc_byte_buffer_destroy(request_payload_recv);
  grpc_byte_buffer_destroy(response_payload_recv);
  grpc_slice_unref(request_payload_slice);
  grpc_slice_unref(response_payload_slice);

  end_test(&f);
  config.tear_down_data(&f);
}
Example #14
0
static void test_early_server_shutdown_finishes_inflight_calls(
    grpc_end2end_test_config config) {
  grpc_call *c;
  grpc_call *s;
  gpr_timespec deadline = n_seconds_time(10);
  grpc_end2end_test_fixture f = begin_test(
      config, "test_early_server_shutdown_finishes_inflight_calls", NULL, NULL);
  cq_verifier *cqv = cq_verifier_create(f.cq);
  grpc_op ops[6];
  grpc_op *op;
  grpc_metadata_array initial_metadata_recv;
  grpc_metadata_array trailing_metadata_recv;
  grpc_metadata_array request_metadata_recv;
  grpc_call_details call_details;
  grpc_status_code status;
  grpc_call_error error;
  char *details = NULL;
  size_t details_capacity = 0;
  int was_cancelled = 2;

  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
                               "/foo", "foo.test.google.fr", deadline, NULL);
  GPR_ASSERT(c);

  grpc_metadata_array_init(&initial_metadata_recv);
  grpc_metadata_array_init(&trailing_metadata_recv);
  grpc_metadata_array_init(&request_metadata_recv);
  grpc_call_details_init(&call_details);

  op = ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  op->data.send_initial_metadata.metadata = NULL;
  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;
  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;
  op->data.recv_status_on_client.status = &status;
  op->data.recv_status_on_client.status_details = &details;
  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  error =
      grpc_server_request_call(f.server, &s, &call_details,
                               &request_metadata_recv, f.cq, f.cq, tag(101));
  GPR_ASSERT(GRPC_CALL_OK == error);
  cq_expect_completion(cqv, tag(101), 1);
  cq_verify(cqv);

  /* shutdown and destroy the server */
  grpc_server_shutdown_and_notify(f.server, f.cq, tag(0xdead));
  cq_verify_empty(cqv);

  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_STATUS_FROM_SERVER;
  op->data.send_status_from_server.trailing_metadata_count = 0;
  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
  op->data.send_status_from_server.status_details = "xyz";
  op->flags = 0;
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
  op->data.recv_close_on_server.cancelled = &was_cancelled;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
  GPR_ASSERT(GRPC_CALL_OK == error);

  cq_expect_completion(cqv, tag(102), 1);
  cq_expect_completion(cqv, tag(0xdead), 1);
  cq_expect_completion(cqv, tag(1), 1);
  cq_verify(cqv);

  grpc_call_destroy(s);

  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
  GPR_ASSERT(was_cancelled == 1);

  gpr_free(details);
  grpc_metadata_array_destroy(&initial_metadata_recv);
  grpc_metadata_array_destroy(&trailing_metadata_recv);
  grpc_metadata_array_destroy(&request_metadata_recv);
  grpc_call_details_destroy(&call_details);

  grpc_call_destroy(c);

  cq_verifier_destroy(cqv);

  end_test(&f);
  config.tear_down_data(&f);
}
Example #15
0
static void test_invoke_large_request(grpc_end2end_test_config config) {
  grpc_call *c;
  grpc_call *s;
  gpr_slice request_payload_slice = large_slice();
  grpc_byte_buffer *request_payload =
      grpc_byte_buffer_create(&request_payload_slice, 1);
  gpr_timespec deadline = n_seconds_time(30);
  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
  cq_verifier *v_client = cq_verifier_create(f.client_cq);
  cq_verifier *v_server = cq_verifier_create(f.server_cq);

  /* byte buffer holds the slice, we can unref it already */
  gpr_slice_unref(request_payload_slice);

  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(f.server, tag(100)));

  c = grpc_channel_create_call_old(f.client, "/foo", "foo.test.google.fr",
                                   deadline);
  GPR_ASSERT(c);

  GPR_ASSERT(GRPC_CALL_OK ==
             grpc_call_invoke_old(c, f.client_cq, tag(2), tag(3), 0));

  GPR_ASSERT(GRPC_CALL_OK ==
             grpc_call_start_write_old(c, request_payload, tag(4), 0));
  /* destroy byte buffer early to ensure async code keeps track of its contents
     correctly */
  grpc_byte_buffer_destroy(request_payload);
  /* write should not be accepted until the server is willing to read the
     request (as this request is very large) */
  cq_verify_empty(v_client);

  cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "foo.test.google.fr",
                           deadline, NULL);
  cq_verify(v_server);

  GPR_ASSERT(GRPC_CALL_OK ==
             grpc_call_server_accept_old(s, f.server_cq, tag(102)));
  GPR_ASSERT(GRPC_CALL_OK == grpc_call_server_end_initial_metadata_old(s, 0));
  cq_expect_client_metadata_read(v_client, tag(2), NULL);
  cq_verify(v_client);

  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_read_old(s, tag(5)));
  /* now the write can be accepted */
  cq_expect_write_accepted(v_client, tag(4), GRPC_OP_OK);
  cq_verify(v_client);
  cq_expect_read(v_server, tag(5), large_slice());
  cq_verify(v_server);

  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(8)));
  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_write_status_old(
                                 s, GRPC_STATUS_UNIMPLEMENTED, "xyz", tag(9)));

  cq_expect_finish_accepted(v_client, tag(8), GRPC_OP_OK);
  cq_expect_finished_with_status(v_client, tag(3), GRPC_STATUS_UNIMPLEMENTED,
                                 "xyz", NULL);
  cq_verify(v_client);

  cq_expect_finish_accepted(v_server, tag(9), GRPC_OP_OK);
  cq_expect_finished(v_server, tag(102), NULL);
  cq_verify(v_server);

  grpc_call_destroy(c);
  grpc_call_destroy(s);

  cq_verifier_destroy(v_client);
  cq_verifier_destroy(v_server);

  end_test(&f);
  config.tear_down_data(&f);
}