Пример #1
0
grpc_end2end_proxy *grpc_end2end_proxy_create(
    const grpc_end2end_proxy_def *def) {
  gpr_thd_options opt = gpr_thd_options_default();
  int proxy_port = grpc_pick_unused_port_or_die();
  int server_port = grpc_pick_unused_port_or_die();

  grpc_end2end_proxy *proxy = gpr_malloc(sizeof(*proxy));
  memset(proxy, 0, sizeof(*proxy));

  gpr_join_host_port(&proxy->proxy_port, "localhost", proxy_port);
  gpr_join_host_port(&proxy->server_port, "localhost", server_port);

  gpr_log(GPR_DEBUG, "PROXY ADDR:%s BACKEND:%s", proxy->proxy_port,
          proxy->server_port);

  proxy->cq = grpc_completion_queue_create(NULL);
  proxy->server = def->create_server(proxy->proxy_port);
  proxy->client = def->create_client(proxy->server_port);

  grpc_server_register_completion_queue(proxy->server, proxy->cq, NULL);
  grpc_server_start(proxy->server);

  gpr_thd_options_set_joinable(&opt);
  GPR_ASSERT(gpr_thd_new(&proxy->thd, thread_main, proxy, &opt));

  request_call(proxy);

  return proxy;
}
Пример #2
0
static void prepare_test(int is_client) {
  int port;
  char *server_hostport;
  grpc_op *op;
  g_state.is_client = is_client;
  grpc_metadata_array_init(&g_state.initial_metadata_recv);
  grpc_metadata_array_init(&g_state.trailing_metadata_recv);
  g_state.deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2);
  g_state.cq = grpc_completion_queue_create(NULL);
  g_state.cqv = cq_verifier_create(g_state.cq);
  g_state.details = NULL;
  g_state.details_capacity = 0;

  if (is_client) {
    /* create a call, channel to a non existant server */
    g_state.chan =
        grpc_insecure_channel_create("nonexistant:54321", NULL, NULL);
    g_state.call = grpc_channel_create_call(
        g_state.chan, NULL, GRPC_PROPAGATE_DEFAULTS, g_state.cq, "/Foo",
        "nonexistant", g_state.deadline, NULL);
  } else {
    g_state.server = grpc_server_create(NULL, NULL);
    grpc_server_register_completion_queue(g_state.server, g_state.cq, NULL);
    port = grpc_pick_unused_port_or_die();
    gpr_join_host_port(&server_hostport, "0.0.0.0", port);
    grpc_server_add_insecure_http2_port(g_state.server, server_hostport);
    grpc_server_start(g_state.server);
    gpr_free(server_hostport);
    gpr_join_host_port(&server_hostport, "localhost", port);
    g_state.chan = grpc_insecure_channel_create(server_hostport, NULL, NULL);
    gpr_free(server_hostport);
    g_state.call = grpc_channel_create_call(
        g_state.chan, NULL, GRPC_PROPAGATE_DEFAULTS, g_state.cq, "/Foo", "bar",
        g_state.deadline, NULL);
    grpc_metadata_array_init(&g_state.server_initial_metadata_recv);
    grpc_call_details_init(&g_state.call_details);
    op = g_state.ops;
    op->op = GRPC_OP_SEND_INITIAL_METADATA;
    op->data.send_initial_metadata.count = 0;
    op->flags = 0;
    op->reserved = NULL;
    op++;
    GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(g_state.call, g_state.ops,
                                                     (size_t)(op - g_state.ops),
                                                     tag(1), NULL));
    GPR_ASSERT(GRPC_CALL_OK ==
               grpc_server_request_call(g_state.server, &g_state.server_call,
                                        &g_state.call_details,
                                        &g_state.server_initial_metadata_recv,
                                        g_state.cq, g_state.cq, tag(101)));
    cq_expect_completion(g_state.cqv, tag(101), 1);
    cq_expect_completion(g_state.cqv, tag(1), 1);
    cq_verify(g_state.cqv);
  }
}
Пример #3
0
int main(int argc, char **argv) {
  char *me = argv[0];
  char *lslash = strrchr(me, '/');
  char root[1024];
  int port = grpc_pick_unused_port_or_die();
  char *args[10];
  int status;
  gpr_subprocess *svr, *cli;
  /* figure out where we are */
  if (lslash) {
    memcpy(root, me, (size_t)(lslash - me));
    root[lslash - me] = 0;
  } else {
    strcpy(root, ".");
  }
  /* start the server */
  gpr_asprintf(&args[0], "%s/fling_server%s", root,
               gpr_subprocess_binary_extension());
  args[1] = "--bind";
  gpr_join_host_port(&args[2], "::", port);
  args[3] = "--no-secure";
  svr = gpr_subprocess_create(4, (const char **)args);
  gpr_free(args[0]);
  gpr_free(args[2]);

  /* start the client */
  gpr_asprintf(&args[0], "%s/fling_client%s", root,
               gpr_subprocess_binary_extension());
  args[1] = "--target";
  gpr_join_host_port(&args[2], "127.0.0.1", port);
  args[3] = "--scenario=ping-pong-request";
  args[4] = "--no-secure";
  args[5] = 0;
  cli = gpr_subprocess_create(6, (const char **)args);
  gpr_free(args[0]);
  gpr_free(args[2]);

  /* wait for completion */
  printf("waiting for client\n");
  if ((status = gpr_subprocess_join(cli))) {
    gpr_subprocess_destroy(cli);
    gpr_subprocess_destroy(svr);
    return status;
  }
  gpr_subprocess_destroy(cli);

  gpr_subprocess_interrupt(svr);
  status = gpr_subprocess_join(svr);
  gpr_subprocess_destroy(svr);
  return status;
}
Пример #4
0
int grpc_sockaddr_to_string(char **out, const struct sockaddr *addr,
                            int normalize) {
  const int save_errno = errno;
  struct sockaddr_in addr_normalized;
  char ntop_buf[INET6_ADDRSTRLEN];
  const void *ip = NULL;
  int port;
  int ret;

  *out = NULL;
  if (normalize && grpc_sockaddr_is_v4mapped(addr, &addr_normalized)) {
    addr = (const struct sockaddr *)&addr_normalized;
  }
  if (addr->sa_family == AF_INET) {
    const struct sockaddr_in *addr4 = (const struct sockaddr_in *)addr;
    ip = &addr4->sin_addr;
    port = ntohs(addr4->sin_port);
  } else if (addr->sa_family == AF_INET6) {
    const struct sockaddr_in6 *addr6 = (const struct sockaddr_in6 *)addr;
    ip = &addr6->sin6_addr;
    port = ntohs(addr6->sin6_port);
  }
  /* Windows inet_ntop wants a mutable ip pointer */
  if (ip != NULL &&
      inet_ntop(addr->sa_family, (void *)ip, ntop_buf, sizeof(ntop_buf)) !=
          NULL) {
    ret = gpr_join_host_port(out, ntop_buf, port);
  } else {
    ret = gpr_asprintf(out, "(sockaddr family=%d)", addr->sa_family);
  }
  /* This is probably redundant, but we wouldn't want to log the wrong error. */
  errno = save_errno;
  return ret;
}
static void start_rpc(int use_creds, int target_port) {
  state.cq = grpc_completion_queue_create(NULL);
  if (use_creds) {
    state.creds = grpc_fake_transport_security_credentials_create();
  } else {
    state.creds = NULL;
  }
  gpr_join_host_port(&state.target, "127.0.0.1", target_port);
  if (use_creds) {
    state.channel =
        grpc_secure_channel_create(state.creds, state.target, NULL, NULL);
  } else {
    state.channel = grpc_insecure_channel_create(state.target, NULL, NULL);
  }
  state.call = grpc_channel_create_call(
      state.channel, NULL, GRPC_PROPAGATE_DEFAULTS, state.cq, "/Service/Method",
      "localhost", gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
  memset(&state.op, 0, sizeof(state.op));
  state.op.op = GRPC_OP_SEND_INITIAL_METADATA;
  state.op.data.send_initial_metadata.count = 0;
  state.op.flags = 0;
  state.op.reserved = NULL;
  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(state.call, &state.op,
                                                   (size_t)(1), NULL, NULL));
  grpc_completion_queue_next(state.cq, n_sec_deadline(5), NULL);
}
Пример #6
0
grpc_end2end_http_proxy* grpc_end2end_http_proxy_create(void) {
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  grpc_end2end_http_proxy* proxy = gpr_malloc(sizeof(*proxy));
  memset(proxy, 0, sizeof(*proxy));
  // Construct proxy address.
  const int proxy_port = grpc_pick_unused_port_or_die();
  gpr_join_host_port(&proxy->proxy_name, "localhost", proxy_port);
  gpr_log(GPR_INFO, "Proxy address: %s", proxy->proxy_name);
  // Create TCP server.
  proxy->channel_args = grpc_channel_args_copy(NULL);
  grpc_error* error = grpc_tcp_server_create(
      &exec_ctx, NULL, proxy->channel_args, &proxy->server);
  GPR_ASSERT(error == GRPC_ERROR_NONE);
  // Bind to port.
  grpc_resolved_address resolved_addr;
  struct sockaddr_in* addr = (struct sockaddr_in*)resolved_addr.addr;
  memset(&resolved_addr, 0, sizeof(resolved_addr));
  addr->sin_family = AF_INET;
  grpc_sockaddr_set_port(&resolved_addr, proxy_port);
  int port;
  error = grpc_tcp_server_add_port(proxy->server, &resolved_addr, &port);
  GPR_ASSERT(error == GRPC_ERROR_NONE);
  GPR_ASSERT(port == proxy_port);
  // Start server.
  proxy->pollset = gpr_malloc(grpc_pollset_size());
  grpc_pollset_init(proxy->pollset, &proxy->mu);
  grpc_tcp_server_start(&exec_ctx, proxy->server, &proxy->pollset, 1, on_accept,
                        proxy);
  grpc_exec_ctx_finish(&exec_ctx);
  // Start proxy thread.
  gpr_thd_options opt = gpr_thd_options_default();
  gpr_thd_options_set_joinable(&opt);
  GPR_ASSERT(gpr_thd_new(&proxy->thd, thread_main, proxy, &opt));
  return proxy;
}
Пример #7
0
static grpc_end2end_test_fixture chttp2_create_fixture_fullstack(
    grpc_channel_args *client_args, grpc_channel_args *server_args) {
  grpc_end2end_test_fixture f;
  int port = grpc_pick_unused_port_or_die();
  fullstack_fixture_data *ffd = gpr_malloc(sizeof(fullstack_fixture_data));
  memset(&f, 0, sizeof(f));

  gpr_join_host_port(&ffd->localaddr, "localhost", port);

  f.fixture_data = ffd;
  f.cq = grpc_completion_queue_create();

  return f;
}
Пример #8
0
int main(int argc, char **argv) {
  char *me = argv[0];
  char *lslash = strrchr(me, '/');
  char *lunder = strrchr(me, '_');
  char *tmp;
  char root[1024];
  char test[64];
  int port = grpc_pick_unused_port_or_die();
  char *args[10];
  int status;
  size_t i;
  gpr_subprocess *svr;
  /* figure out where we are */
  if (lslash) {
    memcpy(root, me, (size_t)(lslash - me));
    root[lslash - me] = 0;
  } else {
    strcpy(root, ".");
  }
  if (argc == 2) {
    gpr_setenv("GRPC_DEFAULT_SSL_ROOTS_FILE_PATH", argv[1]);
  }
  /* figure out our test name */
  tmp = lunder - 1;
  while (*tmp != '_') tmp--;
  tmp++;
  memcpy(test, tmp, (size_t)(lunder - tmp));
  /* start the server */
  gpr_asprintf(&args[0], "%s/bad_ssl_%s_server%s", root, test,
               gpr_subprocess_binary_extension());
  args[1] = "--bind";
  gpr_join_host_port(&args[2], "::", port);
  svr = gpr_subprocess_create(4, (const char **)args);
  gpr_free(args[0]);

  for (i = 3; i <= 4; i++) {
    grpc_init();
    run_test(args[2], i);
    grpc_shutdown();
  }
  gpr_free(args[2]);

  gpr_subprocess_interrupt(svr);
  status = gpr_subprocess_join(svr);
  gpr_subprocess_destroy(svr);
  return status;
}
Пример #9
0
void test_add_same_port_twice() {
  int port = grpc_pick_unused_port_or_die();
  char *addr = NULL;
  grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
  grpc_server *server = grpc_server_create(NULL, NULL);
  grpc_server_credentials *fake_creds =
      grpc_fake_transport_security_server_credentials_create();
  gpr_join_host_port(&addr, "localhost", port);
  GPR_ASSERT(grpc_server_add_secure_http2_port(server, addr, fake_creds));
  GPR_ASSERT(grpc_server_add_secure_http2_port(server, addr, fake_creds) == 0);

  grpc_server_credentials_release(fake_creds);
  gpr_free(addr);
  grpc_server_shutdown_and_notify(server, cq, NULL);
  grpc_completion_queue_pluck(cq, NULL, gpr_inf_future(GPR_CLOCK_REALTIME),
                              NULL);
  grpc_server_destroy(server);
  grpc_completion_queue_destroy(cq);
}
Пример #10
0
static servers_fixture *setup_servers(const char *server_host,
                                      request_data *rdata,
                                      const size_t num_servers) {
  servers_fixture *f = gpr_malloc(sizeof(servers_fixture));
  size_t i;

  f->num_servers = num_servers;
  f->server_calls = gpr_malloc(sizeof(grpc_call *) * num_servers);
  f->request_metadata_recv =
      gpr_malloc(sizeof(grpc_metadata_array) * num_servers);
  /* Create servers. */
  f->servers = gpr_malloc(sizeof(grpc_server *) * num_servers);
  f->servers_hostports = gpr_malloc(sizeof(char *) * num_servers);
  f->cq = grpc_completion_queue_create(NULL);
  for (i = 0; i < num_servers; i++) {
    grpc_metadata_array_init(&f->request_metadata_recv[i]);
    gpr_join_host_port(&f->servers_hostports[i], server_host,
                       grpc_pick_unused_port_or_die());
    f->servers[i] = 0;
    revive_server(f, rdata, i);
  }
  return f;
}
Пример #11
0
int main(int argc, char **argv) {
  grpc_event ev;
  call_state *s;
  char *addr_buf = NULL;
  gpr_cmdline *cl;
  int shutdown_started = 0;
  int shutdown_finished = 0;

  int secure = 0;
  char *addr = NULL;

  char *fake_argv[1];

  GPR_ASSERT(argc >= 1);
  fake_argv[0] = argv[0];
  grpc_test_init(1, fake_argv);

  grpc_init();
  srand(clock());

  cl = gpr_cmdline_create("fling server");
  gpr_cmdline_add_string(cl, "bind", "Bind host:port", &addr);
  gpr_cmdline_add_flag(cl, "secure", "Run with security?", &secure);
  gpr_cmdline_parse(cl, argc, argv);
  gpr_cmdline_destroy(cl);

  if (addr == NULL) {
    gpr_join_host_port(&addr_buf, "::", grpc_pick_unused_port_or_die());
    addr = addr_buf;
  }
  gpr_log(GPR_INFO, "creating server on: %s", addr);

  cq = grpc_completion_queue_create();
  if (secure) {
    grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {test_server1_key,
                                                    test_server1_cert};
    grpc_server_credentials *ssl_creds =
        grpc_ssl_server_credentials_create(NULL, &pem_key_cert_pair, 1, 0);
    server = grpc_server_create(NULL);
    GPR_ASSERT(grpc_server_add_secure_http2_port(server, addr, ssl_creds));
    grpc_server_credentials_release(ssl_creds);
  } else {
    server = grpc_server_create(NULL);
    GPR_ASSERT(grpc_server_add_insecure_http2_port(server, addr));
  }
  grpc_server_register_completion_queue(server, cq);
  grpc_server_start(server);

  gpr_free(addr_buf);
  addr = addr_buf = NULL;

  grpc_call_details_init(&call_details);

  request_call();

  grpc_profiler_start("server.prof");
  signal(SIGINT, sigint_handler);
  while (!shutdown_finished) {
    if (got_sigint && !shutdown_started) {
      gpr_log(GPR_INFO, "Shutting down due to SIGINT");
      grpc_server_shutdown_and_notify(server, cq, tag(1000));
      GPR_ASSERT(grpc_completion_queue_pluck(
                     cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5))
                     .type == GRPC_OP_COMPLETE);
      grpc_completion_queue_shutdown(cq);
      shutdown_started = 1;
    }
    ev = grpc_completion_queue_next(
        cq, gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
                         gpr_time_from_micros(1000000, GPR_TIMESPAN)));
    s = ev.tag;
    switch (ev.type) {
      case GRPC_OP_COMPLETE:
        switch ((gpr_intptr)s) {
          case FLING_SERVER_NEW_REQUEST:
            if (call != NULL) {
              if (0 ==
                  strcmp(call_details.method, "/Reflector/reflectStream")) {
                /* Received streaming call. Send metadata here. */
                start_read_op(FLING_SERVER_READ_FOR_STREAMING);
                send_initial_metadata();
              } else {
                /* Received unary call. Can do all ops in one batch. */
                start_read_op(FLING_SERVER_READ_FOR_UNARY);
              }
            } else {
              GPR_ASSERT(shutdown_started);
            }
            /*	    request_call();
             */
            break;
          case FLING_SERVER_READ_FOR_STREAMING:
            if (payload_buffer != NULL) {
              /* Received payload from client. */
              start_write_op();
            } else {
              /* Received end of stream from client. */
              start_send_status();
            }
            break;
          case FLING_SERVER_WRITE_FOR_STREAMING:
            /* Write completed at server  */
            grpc_byte_buffer_destroy(payload_buffer);
            payload_buffer = NULL;
            start_read_op(FLING_SERVER_READ_FOR_STREAMING);
            break;
          case FLING_SERVER_SEND_INIT_METADATA_FOR_STREAMING:
            /* Metadata send completed at server */
            break;
          case FLING_SERVER_SEND_STATUS_FOR_STREAMING:
            /* Send status and close completed at server */
            grpc_call_destroy(call);
            if (!shutdown_started) request_call();
            break;
          case FLING_SERVER_READ_FOR_UNARY:
            /* Finished payload read for unary. Start all reamaining
             *  unary ops in a batch.
             */
            handle_unary_method();
            break;
          case FLING_SERVER_BATCH_OPS_FOR_UNARY:
            /* Finished unary call. */
            grpc_byte_buffer_destroy(payload_buffer);
            payload_buffer = NULL;
            grpc_call_destroy(call);
            if (!shutdown_started) request_call();
            break;
        }
        break;
      case GRPC_QUEUE_SHUTDOWN:
        GPR_ASSERT(shutdown_started);
        shutdown_finished = 1;
        break;
      case GRPC_QUEUE_TIMEOUT:
        break;
    }
  }
  grpc_profiler_stop();
  grpc_call_details_destroy(&call_details);

  grpc_server_destroy(server);
  grpc_completion_queue_destroy(cq);
  grpc_shutdown();
  return 0;
}
Пример #12
0
static void start_rpc(int target_port, grpc_status_code expected_status,
                      const char *expected_detail) {
  grpc_op ops[6];
  grpc_op *op;
  grpc_metadata_array initial_metadata_recv;
  grpc_metadata_array trailing_metadata_recv;
  grpc_status_code status;
  grpc_call_error error;
  cq_verifier *cqv;
  char *details = NULL;
  size_t details_capacity = 0;

  state.cq = grpc_completion_queue_create(NULL);
  cqv = cq_verifier_create(state.cq);
  gpr_join_host_port(&state.target, "127.0.0.1", target_port);
  state.channel = grpc_insecure_channel_create(state.target, NULL, NULL);
  state.call = grpc_channel_create_call(
      state.channel, NULL, GRPC_PROPAGATE_DEFAULTS, state.cq, "/Service/Method",
      "localhost", gpr_inf_future(GPR_CLOCK_REALTIME), NULL);

  grpc_metadata_array_init(&initial_metadata_recv);
  grpc_metadata_array_init(&trailing_metadata_recv);

  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_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(state.call, ops, (size_t)(op - ops), tag(1), NULL);

  GPR_ASSERT(GRPC_CALL_OK == error);

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

  gpr_log(GPR_DEBUG, "Rpc status: %d, details: %s", status, details);
  GPR_ASSERT(status == expected_status);
  GPR_ASSERT(NULL != strstr(details, expected_detail));

  grpc_metadata_array_destroy(&initial_metadata_recv);
  grpc_metadata_array_destroy(&trailing_metadata_recv);
  gpr_free(details);
  cq_verifier_destroy(cqv);
}
Пример #13
0
void test_connect(const char *server_host, const char *client_host, int port,
                  int expect_ok) {
  char *client_hostport;
  char *server_hostport;
  grpc_channel *client;
  grpc_server *server;
  grpc_completion_queue *client_cq;
  grpc_completion_queue *server_cq;
  grpc_call *c;
  grpc_call *s;
  cq_verifier *v_client;
  cq_verifier *v_server;
  gpr_timespec deadline;
  int got_port;
  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_status_code status;
  char *details = NULL;
  size_t details_capacity = 0;
  int was_cancelled = 2;
  grpc_call_details call_details;

  if (port == 0) {
    port = grpc_pick_unused_port_or_die();
  }

  gpr_join_host_port(&server_hostport, server_host, port);

  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);

  /* Create server. */
  server_cq = grpc_completion_queue_create();
  server = grpc_server_create(NULL);
  grpc_server_register_completion_queue(server, server_cq);
  GPR_ASSERT((got_port = grpc_server_add_http2_port(server, server_hostport)) >
             0);
  if (port == 0) {
    port = got_port;
  } else {
    GPR_ASSERT(port == got_port);
  }
  grpc_server_start(server);
  v_server = cq_verifier_create(server_cq);

  /* Create client. */
  gpr_join_host_port(&client_hostport, client_host, port);
  client_cq = grpc_completion_queue_create();
  client = grpc_channel_create(client_hostport, NULL);
  v_client = cq_verifier_create(client_cq);

  gpr_log(GPR_INFO, "Testing with server=%s client=%s (expecting %s)",
          server_hostport, client_hostport, expect_ok ? "success" : "failure");

  gpr_free(client_hostport);
  gpr_free(server_hostport);

  if (expect_ok) {
    /* Normal deadline, shouldn't be reached. */
    deadline = ms_from_now(60000);
  } else {
    /* Give up faster when failure is expected.
       BUG: Setting this to 1000 reveals a memory leak (b/18608927). */
    deadline = ms_from_now(1500);
  }

  /* Send a trivial request. */
  c = grpc_channel_create_call(client, client_cq, "/foo", "foo.test.google.fr",
                               deadline);
  GPR_ASSERT(c);

  op = ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  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_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)));

  if (expect_ok) {
    /* Check for a successful request. */
    GPR_ASSERT(GRPC_CALL_OK ==
               grpc_server_request_call(server, &s, &call_details,
                                        &request_metadata_recv, server_cq,
                                        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_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_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);

    grpc_call_destroy(s);
  } else {
    /* Check for a failed connection. */
    cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
    cq_verify(v_client);

    GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
  }

  grpc_call_destroy(c);

  cq_verifier_destroy(v_client);
  cq_verifier_destroy(v_server);

  /* Destroy client. */
  grpc_channel_destroy(client);
  grpc_completion_queue_shutdown(client_cq);
  drain_cq(client_cq);
  grpc_completion_queue_destroy(client_cq);

  /* Destroy server. */
  grpc_server_shutdown(server);
  grpc_server_destroy(server);
  grpc_completion_queue_shutdown(server_cq);
  drain_cq(server_cq);
  grpc_completion_queue_destroy(server_cq);
}
Пример #14
0
void test_connect(const char *server_host, const char *client_host, int port,
                  int expect_ok) {
  char *client_hostport;
  char *server_hostport;
  grpc_channel *client;
  grpc_server *server;
  grpc_completion_queue *cq;
  grpc_call *c;
  grpc_call *s;
  cq_verifier *cqv;
  gpr_timespec deadline;
  int got_port;
  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_status_code status;
  grpc_call_error error;
  char *details = NULL;
  size_t details_capacity = 0;
  int was_cancelled = 2;
  grpc_call_details call_details;
  char *peer;
  int picked_port = 0;

  if (port == 0) {
    port = grpc_pick_unused_port_or_die();
    picked_port = 1;
  }

  gpr_join_host_port(&server_hostport, server_host, port);

  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);

  /* Create server. */
  cq = grpc_completion_queue_create(NULL);
  server = grpc_server_create(NULL, NULL);
  grpc_server_register_completion_queue(server, cq, NULL);
  GPR_ASSERT((got_port = grpc_server_add_insecure_http2_port(
                  server, server_hostport)) > 0);
  if (port == 0) {
    port = got_port;
  } else {
    GPR_ASSERT(port == got_port);
  }
  grpc_server_start(server);
  cqv = cq_verifier_create(cq);

  /* Create client. */
  if (client_host[0] == 'i') {
    /* for ipv4:/ipv6: addresses, concatenate the port to each of the parts */
    size_t i;
    gpr_slice uri_slice;
    gpr_slice_buffer uri_parts;
    char **hosts_with_port;

    uri_slice =
        gpr_slice_new((char *)client_host, strlen(client_host), do_nothing);
    gpr_slice_buffer_init(&uri_parts);
    gpr_slice_split(uri_slice, ",", &uri_parts);
    hosts_with_port = gpr_malloc(sizeof(char *) * uri_parts.count);
    for (i = 0; i < uri_parts.count; i++) {
      char *uri_part_str = gpr_dump_slice(uri_parts.slices[i], GPR_DUMP_ASCII);
      gpr_asprintf(&hosts_with_port[i], "%s:%d", uri_part_str, port);
      gpr_free(uri_part_str);
    }
    client_hostport = gpr_strjoin_sep((const char **)hosts_with_port,
                                      uri_parts.count, ",", NULL);
    for (i = 0; i < uri_parts.count; i++) {
      gpr_free(hosts_with_port[i]);
    }
    gpr_free(hosts_with_port);
    gpr_slice_buffer_destroy(&uri_parts);
    gpr_slice_unref(uri_slice);
  } else {
    gpr_join_host_port(&client_hostport, client_host, port);
  }
  client = grpc_insecure_channel_create(client_hostport, NULL, NULL);

  gpr_log(GPR_INFO, "Testing with server=%s client=%s (expecting %s)",
          server_hostport, client_hostport, expect_ok ? "success" : "failure");

  gpr_free(client_hostport);
  gpr_free(server_hostport);

  if (expect_ok) {
    /* Normal deadline, shouldn't be reached. */
    deadline = ms_from_now(60000);
  } else {
    /* Give up faster when failure is expected.
       BUG: Setting this to 1000 reveals a memory leak (b/18608927). */
    deadline = ms_from_now(1500);
  }

  /* Send a trivial request. */
  c = grpc_channel_create_call(client, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
                               "/foo", "foo.test.google.fr", deadline, NULL);
  GPR_ASSERT(c);

  memset(ops, 0, sizeof(ops));
  op = ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  op->flags = expect_ok ? GRPC_INITIAL_METADATA_WAIT_FOR_READY : 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);

  if (expect_ok) {
    /* Check for a successful request. */
    error = grpc_server_request_call(server, &s, &call_details,
                                     &request_metadata_recv, cq, 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++;
    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++;
    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(1), 1);
    cq_verify(cqv);

    peer = grpc_call_get_peer(c);
    gpr_log(GPR_DEBUG, "got peer: '%s'", peer);
    gpr_free(peer);

    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 == 1);

    grpc_call_destroy(s);
  } else {
    /* Check for a failed connection. */
    CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
    cq_verify(cqv);

    GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE);
  }

  grpc_call_destroy(c);

  cq_verifier_destroy(cqv);

  /* Destroy client. */
  grpc_channel_destroy(client);

  /* Destroy server. */
  grpc_server_shutdown_and_notify(server, cq, tag(1000));
  GPR_ASSERT(grpc_completion_queue_pluck(
                 cq, tag(1000), GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5), NULL)
                 .type == GRPC_OP_COMPLETE);
  grpc_server_destroy(server);
  grpc_completion_queue_shutdown(cq);
  drain_cq(cq);
  grpc_completion_queue_destroy(cq);

  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);
  gpr_free(details);
  if (picked_port) {
    grpc_recycle_unused_port(port);
  }
}
Пример #15
0
static void run_test(bool wait_for_ready, bool use_service_config) {
  grpc_channel *chan;
  grpc_call *call;
  gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2);
  grpc_completion_queue *cq;
  cq_verifier *cqv;
  grpc_op ops[6];
  grpc_op *op;
  grpc_metadata_array trailing_metadata_recv;
  grpc_status_code status;
  char *details = NULL;
  size_t details_capacity = 0;

  gpr_log(GPR_INFO, "TEST: wait_for_ready=%d use_service_config=%d",
          wait_for_ready, use_service_config);

  grpc_init();

  grpc_metadata_array_init(&trailing_metadata_recv);

  cq = grpc_completion_queue_create(NULL);
  cqv = cq_verifier_create(cq);

  /* if using service config, create channel args */
  grpc_channel_args *args = NULL;
  if (use_service_config) {
    GPR_ASSERT(wait_for_ready);
    grpc_arg arg;
    arg.type = GRPC_ARG_STRING;
    arg.key = GRPC_ARG_SERVICE_CONFIG;
    arg.value.string =
        "{\n"
        "  \"methodConfig\": [ {\n"
        "    \"name\": [\n"
        "      { \"service\": \"service\", \"method\": \"method\" }\n"
        "    ],\n"
        "    \"waitForReady\": true\n"
        "  } ]\n"
        "}";
    args = grpc_channel_args_copy_and_add(args, &arg, 1);
  }

  /* create a call, channel to a port which will refuse connection */
  int port = grpc_pick_unused_port_or_die();
  char *addr;
  gpr_join_host_port(&addr, "127.0.0.1", port);
  gpr_log(GPR_INFO, "server: %s", addr);
  chan = grpc_insecure_channel_create(addr, args, NULL);
  call = grpc_channel_create_call(chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
                                  "/service/method", "nonexistant", deadline,
                                  NULL);

  gpr_free(addr);

  memset(ops, 0, sizeof(ops));
  op = ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  op->flags = (wait_for_ready && !use_service_config)
                  ? GRPC_INITIAL_METADATA_WAIT_FOR_READY
                  : 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++;
  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(
                                 call, ops, (size_t)(op - ops), tag(1), NULL));
  /* verify that all tags get completed */
  CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
  cq_verify(cqv);

  if (wait_for_ready) {
    GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
  } else {
    GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE);
  }

  grpc_completion_queue_shutdown(cq);
  while (
      grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
          .type != GRPC_QUEUE_SHUTDOWN)
    ;
  grpc_completion_queue_destroy(cq);
  grpc_call_destroy(call);
  grpc_channel_destroy(chan);
  cq_verifier_destroy(cqv);

  gpr_free(details);
  grpc_metadata_array_destroy(&trailing_metadata_recv);

  if (args != NULL) grpc_channel_args_destroy(args);

  grpc_shutdown();
}
Пример #16
0
int main(int argc, char **argv) {
  grpc_event *ev;
  call_state *s;
  char *addr_buf = NULL;
  gpr_cmdline *cl;
  int shutdown_started = 0;
  int shutdown_finished = 0;

  int secure = 0;
  char *addr = NULL;

  char *fake_argv[1];

#define MAX_ARGS 4
  grpc_arg arge[MAX_ARGS];
  grpc_arg *e;
  grpc_channel_args args = {0, NULL};

  grpc_http_server_page home_page = {"/", "text/html",
                                     "<head>\n"
                                     "<title>Echo Server</title>\n"
                                     "</head>\n"
                                     "<body>\n"
                                     "Welcome to the world of the future!\n"
                                     "</body>\n"};

  GPR_ASSERT(argc >= 1);
  fake_argv[0] = argv[0];
  grpc_test_init(1, fake_argv);

  grpc_init();
  srand(clock());
  memset(arge, 0, sizeof(arge));
  args.args = arge;

  cl = gpr_cmdline_create("echo server");
  gpr_cmdline_add_string(cl, "bind", "Bind host:port", &addr);
  gpr_cmdline_add_flag(cl, "secure", "Run with security?", &secure);
  gpr_cmdline_parse(cl, argc, argv);
  gpr_cmdline_destroy(cl);

  e = &arge[args.num_args++];
  e->type = GRPC_ARG_POINTER;
  e->key = GRPC_ARG_SERVE_OVER_HTTP;
  e->value.pointer.p = &home_page;

  if (addr == NULL) {
    gpr_join_host_port(&addr_buf, "::", grpc_pick_unused_port_or_die());
    addr = addr_buf;
  }
  gpr_log(GPR_INFO, "creating server on: %s", addr);

  cq = grpc_completion_queue_create();
  if (secure) {
    grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {test_server1_key,
                                                    test_server1_cert};
    grpc_server_credentials *ssl_creds =
        grpc_ssl_server_credentials_create(NULL, &pem_key_cert_pair, 1);
    server = grpc_secure_server_create(ssl_creds, cq, &args);
    GPR_ASSERT(grpc_server_add_secure_http2_port(server, addr));
    grpc_server_credentials_release(ssl_creds);
  } else {
    server = grpc_server_create(cq, &args);
    GPR_ASSERT(grpc_server_add_http2_port(server, addr));
  }
  grpc_server_start(server);

  gpr_free(addr_buf);
  addr = addr_buf = NULL;

  request_call();

  signal(SIGINT, sigint_handler);
  while (!shutdown_finished) {
    if (got_sigint && !shutdown_started) {
      gpr_log(GPR_INFO, "Shutting down due to SIGINT");
      grpc_server_shutdown(server);
      grpc_completion_queue_shutdown(cq);
      shutdown_started = 1;
    }
    ev = grpc_completion_queue_next(
        cq, gpr_time_add(gpr_now(), gpr_time_from_seconds(1)));
    if (!ev) continue;
    s = ev->tag;
    switch (ev->type) {
      case GRPC_SERVER_RPC_NEW:
        if (ev->call != NULL) {
          /* initial ops are already started in request_call */
          grpc_call_server_accept_old(ev->call, cq, s);
          grpc_call_server_end_initial_metadata_old(ev->call,
                                                    GRPC_WRITE_BUFFER_HINT);
          GPR_ASSERT(grpc_call_start_read_old(ev->call, s) == GRPC_CALL_OK);
          request_call();
        } else {
          GPR_ASSERT(shutdown_started);
          gpr_free(s);
        }
        break;
      case GRPC_WRITE_ACCEPTED:
        GPR_ASSERT(ev->data.write_accepted == GRPC_OP_OK);
        GPR_ASSERT(grpc_call_start_read_old(ev->call, s) == GRPC_CALL_OK);
        break;
      case GRPC_READ:
        if (ev->data.read) {
          assert_read_ok(ev->tag, ev->data.read);
          GPR_ASSERT(grpc_call_start_write_old(ev->call, ev->data.read, s,
                                               GRPC_WRITE_BUFFER_HINT) ==
                     GRPC_CALL_OK);
        } else {
          GPR_ASSERT(grpc_call_start_write_status_old(ev->call, GRPC_STATUS_OK,
                                                      NULL, s) == GRPC_CALL_OK);
        }
        break;
      case GRPC_FINISH_ACCEPTED:
      case GRPC_FINISHED:
        if (gpr_unref(&s->pending_ops)) {
          grpc_call_destroy(ev->call);
          gpr_free(s);
        }
        break;
      case GRPC_QUEUE_SHUTDOWN:
        GPR_ASSERT(shutdown_started);
        shutdown_finished = 1;
        break;
      default:
        GPR_ASSERT(0);
    }
    grpc_event_finish(ev);
  }

  grpc_server_destroy(server);
  grpc_completion_queue_destroy(cq);
  grpc_shutdown();

  return 0;
}
Пример #17
0
int main(int argc, char **argv) {
  char *me = argv[0];
  char *lslash = strrchr(me, '/');
  char root[1024];
  int port = grpc_pick_unused_port_or_die();
  char *args[10];
  int status;
  pid_t svr, cli;
  /* seed rng with pid, so we don't end up with the same random numbers as a
     concurrently running test binary */
  srand(getpid());
  /* figure out where we are */
  if (lslash) {
    memcpy(root, me, lslash - me);
    root[lslash - me] = 0;
  } else {
    strcpy(root, ".");
  }
  /* start the server */
  svr = fork();
  if (svr == 0) {
    gpr_asprintf(&args[0], "%s/fling_server", root);
    args[1] = "--bind";
    gpr_join_host_port(&args[2], "::", port);
    args[3] = "--no-secure";
    args[4] = 0;
    execv(args[0], args);

    gpr_free(args[0]);
    gpr_free(args[2]);
    return 1;
  }
  /* wait a little */
  sleep(2);
  /* start the client */
  cli = fork();
  if (cli == 0) {
    gpr_asprintf(&args[0], "%s/fling_client", root);
    args[1] = "--target";
    gpr_join_host_port(&args[2], "127.0.0.1", port);
    args[3] = "--scenario=ping-pong-stream";
    args[4] = "--no-secure";
    args[5] = 0;
    execv(args[0], args);

    gpr_free(args[0]);
    gpr_free(args[2]);
    return 1;
  }
  /* wait for completion */
  printf("waiting for client\n");
  if (waitpid(cli, &status, 0) == -1) return 2;
  if (!WIFEXITED(status)) return 4;
  if (WEXITSTATUS(status)) return WEXITSTATUS(status);
  printf("waiting for server\n");
  kill(svr, SIGINT);
  if (waitpid(svr, &status, 0) == -1) return 2;
  if (!WIFEXITED(status)) return 4;
  if (WEXITSTATUS(status)) return WEXITSTATUS(status);
  return 0;
}
Пример #18
0
void test_connect(const char *server_host, const char *client_host, int port,
                  int expect_ok) {
  char *client_hostport;
  char *server_hostport;
  grpc_channel *client;
  grpc_server *server;
  grpc_completion_queue *client_cq;
  grpc_completion_queue *server_cq;
  grpc_call *c;
  grpc_call *s;
  cq_verifier *v_client;
  cq_verifier *v_server;
  gpr_timespec deadline;
  int got_port;

  if (port == 0) {
    port = grpc_pick_unused_port_or_die();
  }

  gpr_join_host_port(&server_hostport, server_host, port);

  /* Create server. */
  server_cq = grpc_completion_queue_create();
  server = grpc_server_create(server_cq, NULL);
  GPR_ASSERT((got_port = grpc_server_add_http2_port(server, server_hostport)) >
             0);
  if (port == 0) {
    port = got_port;
  } else {
    GPR_ASSERT(port == got_port);
  }
  grpc_server_start(server);
  v_server = cq_verifier_create(server_cq);

  /* Create client. */
  gpr_join_host_port(&client_hostport, client_host, port);
  client_cq = grpc_completion_queue_create();
  client = grpc_channel_create(client_hostport, NULL);
  v_client = cq_verifier_create(client_cq);

  gpr_log(GPR_INFO, "Testing with server=%s client=%s (expecting %s)",
          server_hostport, client_hostport, expect_ok ? "success" : "failure");

  gpr_free(client_hostport);
  gpr_free(server_hostport);

  if (expect_ok) {
    /* Normal deadline, shouldn't be reached. */
    deadline = ms_from_now(60000);
  } else {
    /* Give up faster when failure is expected.
       BUG: Setting this to 1000 reveals a memory leak (b/18608927). */
    deadline = ms_from_now(1500);
  }

  /* Send a trivial request. */
  c = grpc_channel_create_call_old(client, "/foo", "foo.test.google.fr",
                                   deadline);
  GPR_ASSERT(c);

  GPR_ASSERT(GRPC_CALL_OK ==
             grpc_call_invoke_old(c, client_cq, tag(2), tag(3), 0));
  GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done_old(c, tag(4)));
  if (expect_ok) {
    /* Check for a successful request. */
    cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
    cq_verify(v_client);

    GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call_old(server, tag(100)));
    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, 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_write_status_old(s, GRPC_STATUS_UNIMPLEMENTED,
                                                "xyz", tag(5)));
    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(5), GRPC_OP_OK);
    cq_expect_finished(v_server, tag(102), NULL);
    cq_verify(v_server);

    grpc_call_destroy(c);
    grpc_call_destroy(s);
  } else {
    /* Check for a failed connection. */
    cq_expect_client_metadata_read(v_client, tag(2), NULL);
    cq_expect_finished_with_status(v_client, tag(3),
                                   GRPC_STATUS_DEADLINE_EXCEEDED,
                                   "Deadline Exceeded", NULL);
    cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_ERROR);
    cq_verify(v_client);

    grpc_call_destroy(c);
  }

  cq_verifier_destroy(v_client);
  cq_verifier_destroy(v_server);

  /* Destroy client. */
  grpc_channel_destroy(client);
  grpc_completion_queue_shutdown(client_cq);
  drain_cq(client_cq);
  grpc_completion_queue_destroy(client_cq);

  /* Destroy server. */
  grpc_server_shutdown(server);
  grpc_server_destroy(server);
  grpc_completion_queue_shutdown(server_cq);
  drain_cq(server_cq);
  grpc_completion_queue_destroy(server_cq);
}