示例#1
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);
  }
}
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);
}
示例#3
0
static grpc_channel *create_client(const servers_fixture *f) {
  grpc_channel *client;
  char *client_hostport;
  char *servers_hostports_str;
  grpc_arg arg_array[3];
  grpc_channel_args args;

  servers_hostports_str = gpr_strjoin_sep((const char **)f->servers_hostports,
                                          f->num_servers, ",", NULL);
  gpr_asprintf(&client_hostport, "ipv4:%s", servers_hostports_str);

  arg_array[0].type = GRPC_ARG_INTEGER;
  arg_array[0].key = "grpc.testing.fixed_reconnect_backoff_ms";
  arg_array[0].value.integer = RETRY_TIMEOUT;
  arg_array[1].type = GRPC_ARG_STRING;
  arg_array[1].key = GRPC_ARG_LB_POLICY_NAME;
  arg_array[1].value.string = "ROUND_ROBIN";
  arg_array[2].type = GRPC_ARG_INTEGER;
  arg_array[2].key = GRPC_ARG_HTTP2_MIN_TIME_BETWEEN_PINGS_MS;
  arg_array[2].value.integer = 0;
  args.num_args = GPR_ARRAY_SIZE(arg_array);
  args.args = arg_array;

  client = grpc_insecure_channel_create(client_hostport, &args, NULL);
  gpr_free(client_hostport);
  gpr_free(servers_hostports_str);

  return client;
}
示例#4
0
文件: h2_proxy.c 项目: Indifer/grpc
void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
                                  grpc_channel_args *client_args) {
  fullstack_fixture_data *ffd = f->fixture_data;
  f->client = grpc_insecure_channel_create(
      grpc_end2end_proxy_get_client_target(ffd->proxy), client_args, NULL);
  GPR_ASSERT(f->client);
}
示例#5
0
/*
  call-seq:
    insecure_channel = Channel:new("myhost:8080", {'arg1': 'value1'})
    creds = ...
    secure_channel = Channel:new("myhost:443", {'arg1': 'value1'}, creds)

  Creates channel instances. */
static VALUE grpc_rb_channel_init(int argc, VALUE *argv, VALUE self) {
    VALUE channel_args = Qnil;
    VALUE credentials = Qnil;
    VALUE target = Qnil;
    grpc_rb_channel *wrapper = NULL;
    grpc_credentials *creds = NULL;
    grpc_channel *ch = NULL;
    char *target_chars = NULL;
    grpc_channel_args args;
    MEMZERO(&args, grpc_channel_args, 1);

    /* "21" == 2 mandatory args, 1 (credentials) is optional */
    rb_scan_args(argc, argv, "21", &target, &channel_args, &credentials);

    TypedData_Get_Struct(self, grpc_rb_channel, &grpc_channel_data_type, wrapper);
    target_chars = StringValueCStr(target);
    grpc_rb_hash_convert_to_channel_args(channel_args, &args);
    if (credentials == Qnil) {
        ch = grpc_insecure_channel_create(target_chars, &args);
    } else {
        creds = grpc_rb_get_wrapped_credentials(credentials);
        ch = grpc_secure_channel_create(creds, target_chars, &args);
    }
    if (args.args != NULL) {
        xfree(args.args); /* Allocated by grpc_rb_hash_convert_to_channel_args */
    }
    if (ch == NULL) {
        rb_raise(rb_eRuntimeError, "could not create an rpc channel to target:%s",
                 target_chars);
        return Qnil;
    }
    rb_ivar_set(self, id_target, target);
    wrapper->wrapped = ch;
    return self;
}
static void one_test(grpc_channel_args *args, char *expected_error_message) {
  grpc_channel *chan =
      grpc_insecure_channel_create("nonexistant:54321", args, NULL);
  verify_last_error(expected_error_message);
  gpr_free(expected_error_message);
  grpc_channel_destroy(chan);
}
示例#7
0
void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
                                  grpc_channel_args *client_args,
                                  const char *query_args) {
  GPR_ASSERT(query_args == NULL);
  fullstack_fixture_data *ffd = f->fixture_data;
  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
  GPR_ASSERT(f->client);
}
示例#8
0
static void test_get_channel_info() {
  grpc_channel *channel =
      grpc_insecure_channel_create("ipv4:127.0.0.1:1234", NULL, NULL);
  // Ensures that resolver returns.
  grpc_channel_check_connectivity_state(channel, true /* try_to_connect */);
  // First, request no fields.  This is a no-op.
  grpc_channel_info channel_info;
  memset(&channel_info, 0, sizeof(channel_info));
  grpc_channel_get_info(channel, &channel_info);
  // Request LB policy name.
  char *lb_policy_name = NULL;
  channel_info.lb_policy_name = &lb_policy_name;
  grpc_channel_get_info(channel, &channel_info);
  GPR_ASSERT(lb_policy_name != NULL);
  GPR_ASSERT(strcmp(lb_policy_name, "pick_first") == 0);
  gpr_free(lb_policy_name);
  // Request service config, which does not exist, so we'll get nothing back.
  memset(&channel_info, 0, sizeof(channel_info));
  char *service_config_json = "dummy_string";
  channel_info.service_config_json = &service_config_json;
  grpc_channel_get_info(channel, &channel_info);
  GPR_ASSERT(service_config_json == NULL);
  // Recreate the channel such that it has a service config.
  grpc_channel_destroy(channel);
  grpc_arg arg;
  arg.type = GRPC_ARG_STRING;
  arg.key = GRPC_ARG_SERVICE_CONFIG;
  arg.value.string = "{\"loadBalancingPolicy\": \"ROUND_ROBIN\"}";
  grpc_channel_args *args = grpc_channel_args_copy_and_add(NULL, &arg, 1);
  channel = grpc_insecure_channel_create("ipv4:127.0.0.1:1234", args, NULL);
  {
    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
    grpc_channel_args_destroy(&exec_ctx, args);
    grpc_exec_ctx_finish(&exec_ctx);
  }
  // Ensures that resolver returns.
  grpc_channel_check_connectivity_state(channel, true /* try_to_connect */);
  // Now request the service config again.
  grpc_channel_get_info(channel, &channel_info);
  GPR_ASSERT(service_config_json != NULL);
  GPR_ASSERT(strcmp(service_config_json, arg.value.string) == 0);
  gpr_free(service_config_json);
  // Clean up.
  grpc_channel_destroy(channel);
}
示例#9
0
void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
                                  grpc_channel_args *client_args) {
  fullstack_fixture_data *ffd = f->fixture_data;
  grpc_arg arg = grpc_load_reporting_config_create_arg(g_client_lrc);
  client_args = grpc_channel_args_copy_and_add(client_args, &arg, 1);
  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
  grpc_channel_args_destroy(client_args);
  GPR_ASSERT(f->client);
}
示例#10
0
/*
  call-seq:
    insecure_channel = Channel:new("myhost:8080", {'arg1': 'value1'},
                                   :this_channel_is_insecure)
    creds = ...
    secure_channel = Channel:new("myhost:443", {'arg1': 'value1'}, creds)

  Creates channel instances. */
static VALUE grpc_rb_channel_init(int argc, VALUE* argv, VALUE self) {
  VALUE channel_args = Qnil;
  VALUE credentials = Qnil;
  VALUE target = Qnil;
  grpc_rb_channel* wrapper = NULL;
  grpc_channel* ch = NULL;
  grpc_channel_credentials* creds = NULL;
  char* target_chars = NULL;
  grpc_channel_args args;
  channel_init_try_register_stack stack;
  int stop_waiting_for_thread_start = 0;
  MEMZERO(&args, grpc_channel_args, 1);

  grpc_ruby_once_init();
  rb_thread_call_without_gvl(
      wait_until_channel_polling_thread_started_no_gil,
      &stop_waiting_for_thread_start,
      wait_until_channel_polling_thread_started_unblocking_func,
      &stop_waiting_for_thread_start);

  /* "3" == 3 mandatory args */
  rb_scan_args(argc, argv, "3", &target, &channel_args, &credentials);

  TypedData_Get_Struct(self, grpc_rb_channel, &grpc_channel_data_type, wrapper);
  target_chars = StringValueCStr(target);
  grpc_rb_hash_convert_to_channel_args(channel_args, &args);
  if (TYPE(credentials) == T_SYMBOL) {
    if (id_insecure_channel != SYM2ID(credentials)) {
      rb_raise(rb_eTypeError,
               "bad creds symbol, want :this_channel_is_insecure");
      return Qnil;
    }
    ch = grpc_insecure_channel_create(target_chars, &args, NULL);
  } else {
    wrapper->credentials = credentials;
    creds = grpc_rb_get_wrapped_channel_credentials(credentials);
    ch = grpc_secure_channel_create(creds, target_chars, &args, NULL);
  }

  GPR_ASSERT(ch);
  stack.channel = ch;
  stack.wrapper = wrapper;
  rb_thread_call_without_gvl(
      channel_init_try_register_connection_polling_without_gil, &stack, NULL,
      NULL);

  if (args.args != NULL) {
    xfree(args.args); /* Allocated by grpc_rb_hash_convert_to_channel_args */
  }
  if (ch == NULL) {
    rb_raise(rb_eRuntimeError, "could not create an rpc channel to target:%s",
             target_chars);
    return Qnil;
  }
  rb_ivar_set(self, id_target, target);
  return self;
}
示例#11
0
void test_unknown_scheme_target(void) {
  grpc_channel *chan;
  /* avoid default prefix */
  grpc_resolver_registry_shutdown();
  grpc_resolver_registry_init("");

  chan = grpc_insecure_channel_create("blah://blah", NULL, NULL);
  GPR_ASSERT(chan == NULL);
}
void chttp2_init_client_fullstack_compression(grpc_end2end_test_fixture *f,
                                  grpc_channel_args *client_args) {
  fullstack_compression_fixture_data *ffd = f->fixture_data;
  if (ffd->client_args_compression != NULL) {
    grpc_channel_args_destroy(ffd->client_args_compression);
  }
  ffd->client_args_compression = grpc_channel_args_set_compression_algorithm(
      client_args, GRPC_COMPRESS_GZIP);
  f->client = grpc_insecure_channel_create(ffd->localaddr,
                                           ffd->client_args_compression);
}
示例#13
0
void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
                                  grpc_channel_args *client_args) {
  fullstack_fixture_data *ffd = f->fixture_data;
  grpc_arg arg = make_census_enable_arg();
  client_args = grpc_channel_args_copy_and_add(client_args, &arg, 1);
  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
  GPR_ASSERT(f->client);
  {
    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
    grpc_channel_args_destroy(&exec_ctx, client_args);
    grpc_exec_ctx_finish(&exec_ctx);
  }
}
示例#14
0
/**
 * Construct an instance of the Channel class. If the $args array contains a
 * "credentials" key mapping to a ChannelCredentials object, a secure channel
 * will be created with those credentials.
 * @param string $target The hostname to associate with this channel
 * @param array $args The arguments to pass to the Channel (optional)
 */
PHP_METHOD(Channel, __construct) {
  wrapped_grpc_channel *channel = Z_WRAPPED_GRPC_CHANNEL_P(getThis());
  zend_string *target;
  zval *args_array = NULL;
  grpc_channel_args args;
  HashTable *array_hash;
  zval *creds_obj = NULL;
  wrapped_grpc_channel_credentials *creds = NULL;

  /* "Sa" == 1 string, 1 array */
#ifndef FAST_ZPP
  if (zend_parse_parameters(ZEND_NUM_ARGS(), "Sa", &target, &args_array)
      == FAILURE) {
    zend_throw_exception(spl_ce_InvalidArgumentException,
                         "Channel expects a string and an array", 1);
    return;
  }
#else
  ZEND_PARSE_PARAMETERS_START(2, 2)
    Z_PARAM_STR(target)
    Z_PARAM_ARRAY(args_array)
  ZEND_PARSE_PARAMETERS_END();
#endif

  array_hash = HASH_OF(args_array);
  if ((creds_obj = zend_hash_str_find(array_hash, "credentials",
                                      sizeof("credentials") - 1)) != NULL) {
    if (Z_TYPE_P(creds_obj) == IS_NULL) {
      creds = NULL;
      zend_hash_str_del(array_hash, "credentials", sizeof("credentials") - 1);
    } else if (Z_OBJ_P(creds_obj)->ce != grpc_ce_channel_credentials) {
      zend_throw_exception(spl_ce_InvalidArgumentException,
                           "credentials must be a ChannelCredentials object",
                           1);
      return;
    } else {
      creds = Z_WRAPPED_GRPC_CHANNEL_CREDS_P(creds_obj);
      zend_hash_str_del(array_hash, "credentials", sizeof("credentials") - 1);
    }
  }
  php_grpc_read_args_array(args_array, &args);
  if (creds == NULL) {
    channel->wrapped = grpc_insecure_channel_create(ZSTR_VAL(target),
                                                    &args, NULL);
  } else {
    channel->wrapped =
        grpc_secure_channel_create(creds->wrapped, ZSTR_VAL(target),
                                   &args, NULL);
  }
  efree(args.args);
}
void create_loop_destroy(void *addr) {
  for (int i = 0; i < NUM_OUTER_LOOPS; ++i) {
    grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
    grpc_channel *chan = grpc_insecure_channel_create((char *)addr, NULL, NULL);

    for (int j = 0; j < NUM_INNER_LOOPS; ++j) {
      gpr_timespec later_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(DELAY_MILLIS);
      grpc_connectivity_state state =
          grpc_channel_check_connectivity_state(chan, 1);
      grpc_channel_watch_connectivity_state(chan, state, later_time, cq, NULL);
      gpr_timespec poll_time = GRPC_TIMEOUT_MILLIS_TO_DEADLINE(POLL_MILLIS);
      GPR_ASSERT(grpc_completion_queue_next(cq, poll_time, NULL).type ==
                 GRPC_OP_COMPLETE);
    }
    grpc_channel_destroy(chan);
    grpc_completion_queue_destroy(cq);
  }
}
示例#16
0
void run_spec(const test_spec *spec) {
  grpc_channel *client;
  char *client_hostport;
  char *servers_hostports_str;
  request_data rdata;
  servers_fixture *f;
  grpc_channel_args args;
  grpc_arg arg_array[2];
  rdata.call_details =
      gpr_malloc(sizeof(grpc_call_details) * spec->num_servers);
  f = setup_servers("127.0.0.1", &rdata, spec->num_servers);

  /* Create client. */
  servers_hostports_str = gpr_strjoin_sep((const char **)f->servers_hostports,
                                          f->num_servers, ",", NULL);
  gpr_asprintf(&client_hostport, "ipv4:%s", servers_hostports_str);

  arg_array[0].type = GRPC_ARG_INTEGER;
  arg_array[0].key = "grpc.testing.fixed_reconnect_backoff_ms";
  arg_array[0].value.integer = RETRY_TIMEOUT;
  arg_array[1].type = GRPC_ARG_STRING;
  arg_array[1].key = GRPC_ARG_LB_POLICY_NAME;
  arg_array[1].value.string = "round_robin";
  args.num_args = 2;
  args.args = arg_array;

  client = grpc_insecure_channel_create(client_hostport, &args, NULL);

  gpr_log(GPR_INFO, "Testing '%s' with servers=%s client=%s", spec->description,
          servers_hostports_str, client_hostport);

  const request_sequences sequences = perform_request(f, client, &rdata, spec);

  spec->verifier(f, client, &sequences, spec->num_iters);

  gpr_free(client_hostport);
  gpr_free(servers_hostports_str);
  gpr_free(rdata.call_details);
  request_sequences_destroy(&sequences);

  grpc_channel_destroy(client); /* calls the LB's shutdown func */
  teardown_servers(f);
}
示例#17
0
void run_spec(const test_spec *spec) {
  grpc_channel *client;
  char *client_hostport;
  char *servers_hostports_str;
  int *actual_connection_sequence;
  request_data rdata;
  servers_fixture *f;
  grpc_channel_args args;
  grpc_arg arg;
  rdata.call_details =
      gpr_malloc(sizeof(grpc_call_details) * spec->num_servers);
  f = setup_servers("127.0.0.1", &rdata, spec->num_servers);

  /* Create client. */
  servers_hostports_str = gpr_strjoin_sep((const char **)f->servers_hostports,
                                          f->num_servers, ",", NULL);
  gpr_asprintf(&client_hostport, "ipv4:%s?lb_policy=round_robin",
               servers_hostports_str);

  arg.type = GRPC_ARG_INTEGER;
  arg.key = "grpc.testing.fixed_reconnect_backoff";
  arg.value.integer = 100;
  args.num_args = 1;
  args.args = &arg;

  client = grpc_insecure_channel_create(client_hostport, &args, NULL);

  gpr_log(GPR_INFO, "Testing '%s' with servers=%s client=%s", spec->description,
          servers_hostports_str, client_hostport);

  actual_connection_sequence = perform_request(f, client, &rdata, spec);

  spec->verifier(f, client, actual_connection_sequence, spec->num_iters);

  gpr_free(client_hostport);
  gpr_free(servers_hostports_str);
  gpr_free(actual_connection_sequence);
  gpr_free(rdata.call_details);

  grpc_channel_destroy(client); /* calls the LB's shutdown func */
  teardown_servers(f);
}
示例#18
0
/*
  call-seq:
    insecure_channel = Channel:new("myhost:8080", {'arg1': 'value1'},
                                   :this_channel_is_insecure)
    creds = ...
    secure_channel = Channel:new("myhost:443", {'arg1': 'value1'}, creds)

  Creates channel instances. */
static VALUE grpc_rb_channel_init(int argc, VALUE *argv, VALUE self) {
  VALUE channel_args = Qnil;
  VALUE credentials = Qnil;
  VALUE target = Qnil;
  grpc_rb_channel *wrapper = NULL;
  grpc_channel *ch = NULL;
  grpc_channel_credentials *creds = NULL;
  char *target_chars = NULL;
  grpc_channel_args args;
  MEMZERO(&args, grpc_channel_args, 1);

  /* "3" == 3 mandatory args */
  rb_scan_args(argc, argv, "3", &target, &channel_args, &credentials);

  TypedData_Get_Struct(self, grpc_rb_channel, &grpc_channel_data_type, wrapper);
  target_chars = StringValueCStr(target);
  grpc_rb_hash_convert_to_channel_args(channel_args, &args);
  if (TYPE(credentials) == T_SYMBOL) {
    if (id_insecure_channel != SYM2ID(credentials)) {
      rb_raise(rb_eTypeError,
               "bad creds symbol, want :this_channel_is_insecure");
      return Qnil;
    }
    ch = grpc_insecure_channel_create(target_chars, &args, NULL);
  } else {
    wrapper->credentials = credentials;
    creds = grpc_rb_get_wrapped_channel_credentials(credentials);
    ch = grpc_secure_channel_create(creds, target_chars, &args, NULL);
  }
  if (args.args != NULL) {
    xfree(args.args); /* Allocated by grpc_rb_hash_convert_to_channel_args */
  }
  if (ch == NULL) {
    rb_raise(rb_eRuntimeError, "could not create an rpc channel to target:%s",
             target_chars);
    return Qnil;
  }
  rb_ivar_set(self, id_target, target);
  wrapper->wrapped = ch;
  return self;
}
void create_loop_destroy(void *addr) {
  for (int i = 0; i < NUM_OUTER_LOOPS; ++i) {
    grpc_completion_queue *cq = grpc_completion_queue_create_for_next(NULL);
    grpc_channel *chan = grpc_insecure_channel_create((char *)addr, NULL, NULL);

    for (int j = 0; j < NUM_INNER_LOOPS; ++j) {
      gpr_timespec later_time =
          grpc_timeout_milliseconds_to_deadline(DELAY_MILLIS);
      grpc_connectivity_state state =
          grpc_channel_check_connectivity_state(chan, 1);
      grpc_channel_watch_connectivity_state(chan, state, later_time, cq, NULL);
      gpr_timespec poll_time =
          grpc_timeout_milliseconds_to_deadline(POLL_MILLIS);
      GPR_ASSERT(grpc_completion_queue_next(cq, poll_time, NULL).type ==
                 GRPC_OP_COMPLETE);
      /* check that the watcher from "watch state" was free'd */
      GPR_ASSERT(grpc_channel_num_external_connectivity_watchers(chan) == 0);
    }
    grpc_channel_destroy(chan);
    grpc_completion_queue_destroy(cq);
  }
}
示例#20
0
static grpc_channel *create_client(const servers_fixture *f) {
  grpc_channel *client;
  char *client_hostport;
  char *servers_hostports_str;
  grpc_arg arg;
  grpc_channel_args args;

  servers_hostports_str = gpr_strjoin_sep((const char **)f->servers_hostports,
                                          f->num_servers, ",", NULL);
  gpr_asprintf(&client_hostport, "ipv4:%s?lb_policy=round_robin",
               servers_hostports_str);

  arg.type = GRPC_ARG_INTEGER;
  arg.key = "grpc.testing.fixed_reconnect_backoff";
  arg.value.integer = 100;
  args.num_args = 1;
  args.args = &arg;

  client = grpc_insecure_channel_create(client_hostport, &args, NULL);
  gpr_free(client_hostport);
  gpr_free(servers_hostports_str);

  return client;
}
void watches_with_short_timeouts(void *addr) {
  for (int i = 0; i < NUM_OUTER_LOOPS_SHORT_TIMEOUTS; ++i) {
    grpc_completion_queue *cq = grpc_completion_queue_create_for_next(NULL);
    grpc_channel *chan = grpc_insecure_channel_create((char *)addr, NULL, NULL);

    for (int j = 0; j < NUM_INNER_LOOPS_SHORT_TIMEOUTS; ++j) {
      gpr_timespec later_time =
          grpc_timeout_milliseconds_to_deadline(DELAY_MILLIS_SHORT_TIMEOUTS);
      grpc_connectivity_state state =
          grpc_channel_check_connectivity_state(chan, 0);
      GPR_ASSERT(state == GRPC_CHANNEL_IDLE);
      grpc_channel_watch_connectivity_state(chan, state, later_time, cq, NULL);
      gpr_timespec poll_time =
          grpc_timeout_milliseconds_to_deadline(POLL_MILLIS_SHORT_TIMEOUTS);
      grpc_event ev = grpc_completion_queue_next(cq, poll_time, NULL);
      GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
      GPR_ASSERT(ev.success == false);
      /* check that the watcher from "watch state" was free'd */
      GPR_ASSERT(grpc_channel_num_external_connectivity_watchers(chan) == 0);
    }
    grpc_channel_destroy(chan);
    grpc_completion_queue_destroy(cq);
  }
}
示例#22
0
void chttp2_init_client_fullstack(grpc_end2end_test_fixture *f,
                                  grpc_channel_args *client_args) {
  fullstack_fixture_data *ffd = f->fixture_data;
  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args);
}
示例#23
0
文件: h2_proxy.c 项目: Indifer/grpc
static grpc_channel *create_proxy_client(const char *target,
                                         grpc_channel_args *client_args) {
  return grpc_insecure_channel_create(target, client_args, NULL);
}
示例#24
0
GPR_EXPORT grpc_channel *GPR_CALLTYPE

grpcsharp_insecure_channel_create(const char *target, const grpc_channel_args *args) {
  return grpc_insecure_channel_create(target, args, NULL);
}
示例#25
0
文件: client.c 项目: yugui/grpc
int main(int argc, char **argv) {
  grpc_memory_counters_init();
  grpc_slice slice = grpc_slice_from_copied_string("x");
  char *fake_argv[1];

  char *target = "localhost:443";
  gpr_cmdline *cl;
  grpc_event event;

  grpc_init();

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

  int warmup_iterations = 100;
  int benchmark_iterations = 1000;

  cl = gpr_cmdline_create("memory profiling client");
  gpr_cmdline_add_string(cl, "target", "Target host:port", &target);
  gpr_cmdline_add_int(cl, "warmup", "Warmup iterations", &warmup_iterations);
  gpr_cmdline_add_int(cl, "benchmark", "Benchmark iterations",
                      &benchmark_iterations);
  gpr_cmdline_parse(cl, argc, argv);
  gpr_cmdline_destroy(cl);

  for (size_t k = 0; k < GPR_ARRAY_SIZE(calls); k++) {
    calls[k].details = grpc_empty_slice();
  }

  cq = grpc_completion_queue_create(NULL);

  struct grpc_memory_counters client_channel_start =
      grpc_memory_counters_snapshot();
  channel = grpc_insecure_channel_create(target, NULL, NULL);

  int call_idx = 0;

  struct grpc_memory_counters before_server_create = send_snapshot_request(
      0, grpc_slice_from_static_string("Reflector/GetBeforeSvrCreation"));
  struct grpc_memory_counters after_server_create = send_snapshot_request(
      0, grpc_slice_from_static_string("Reflector/GetAfterSvrCreation"));

  // warmup period
  for (call_idx = 0; call_idx < warmup_iterations; ++call_idx) {
    init_ping_pong_request(call_idx + 1);
  }

  struct grpc_memory_counters server_benchmark_calls_start =
      send_snapshot_request(
          0, grpc_slice_from_static_string("Reflector/SimpleSnapshot"));

  struct grpc_memory_counters client_benchmark_calls_start =
      grpc_memory_counters_snapshot();

  // benchmark period
  for (; call_idx < warmup_iterations + benchmark_iterations; ++call_idx) {
    init_ping_pong_request(call_idx + 1);
  }

  struct grpc_memory_counters client_calls_inflight =
      grpc_memory_counters_snapshot();

  struct grpc_memory_counters server_calls_inflight = send_snapshot_request(
      0, grpc_slice_from_static_string("Reflector/DestroyCalls"));

  do {
    event = grpc_completion_queue_next(
        cq, gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
                         gpr_time_from_micros(10000, GPR_TIMESPAN)),
        NULL);
  } while (event.type != GRPC_QUEUE_TIMEOUT);

  // second step - recv status and destroy call
  for (call_idx = 0; call_idx < warmup_iterations + benchmark_iterations;
       ++call_idx) {
    finish_ping_pong_request(call_idx + 1);
  }

  struct grpc_memory_counters server_calls_end = send_snapshot_request(
      0, grpc_slice_from_static_string("Reflector/SimpleSnapshot"));

  struct grpc_memory_counters client_channel_end =
      grpc_memory_counters_snapshot();

  grpc_channel_destroy(channel);
  grpc_completion_queue_shutdown(cq);

  do {
    event = grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME),
                                       NULL);
  } while (event.type != GRPC_QUEUE_SHUTDOWN);
  grpc_slice_unref(slice);

  grpc_completion_queue_destroy(cq);
  grpc_shutdown();

  gpr_log(GPR_INFO, "---------client stats--------");
  gpr_log(GPR_INFO, "client call memory usage: %f bytes per call",
          (double)(client_calls_inflight.total_size_relative -
                   client_benchmark_calls_start.total_size_relative) /
              benchmark_iterations);
  gpr_log(GPR_INFO, "client channel memory usage %zi bytes",
          client_channel_end.total_size_relative -
              client_channel_start.total_size_relative);

  gpr_log(GPR_INFO, "---------server stats--------");
  gpr_log(GPR_INFO, "server create: %zi bytes",
          after_server_create.total_size_relative -
              before_server_create.total_size_relative);
  gpr_log(GPR_INFO, "server call memory usage: %f bytes per call",
          (double)(server_calls_inflight.total_size_relative -
                   server_benchmark_calls_start.total_size_relative) /
              benchmark_iterations);
  gpr_log(GPR_INFO, "server channel memory usage %zi bytes",
          server_calls_end.total_size_relative -
              after_server_create.total_size_relative);

  grpc_memory_counters_destroy();
  return 0;
}
示例#26
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();
}
示例#27
0
文件: client.c 项目: github188/grpc
int main(int argc, char **argv) {
  gpr_slice slice = gpr_slice_from_copied_string("x");
  double start, stop;
  unsigned i;

  char *fake_argv[1];

  int payload_size = 1;
  int secure = 0;
  char *target = "localhost:443";
  gpr_cmdline *cl;
  grpc_event event;
  char *scenario_name = "ping-pong-request";
  scenario sc = {NULL, NULL, NULL};

  gpr_timers_set_log_filename("latency_trace.fling_client.txt");

  grpc_init();

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

  cl = gpr_cmdline_create("fling client");
  gpr_cmdline_add_int(cl, "payload_size", "Size of the payload to send",
                      &payload_size);
  gpr_cmdline_add_string(cl, "target", "Target host:port", &target);
  gpr_cmdline_add_flag(cl, "secure", "Run with security?", &secure);
  gpr_cmdline_add_string(cl, "scenario", "Scenario", &scenario_name);
  gpr_cmdline_parse(cl, argc, argv);
  gpr_cmdline_destroy(cl);

  for (i = 0; i < GPR_ARRAY_SIZE(scenarios); i++) {
    if (0 == strcmp(scenarios[i].name, scenario_name)) {
      sc = scenarios[i];
    }
  }
  if (!sc.name) {
    fprintf(stderr, "unsupported scenario '%s'. Valid are:", scenario_name);
    for (i = 0; i < GPR_ARRAY_SIZE(scenarios); i++) {
      fprintf(stderr, " %s", scenarios[i].name);
    }
    return 1;
  }

  channel = grpc_insecure_channel_create(target, NULL, NULL);
  cq = grpc_completion_queue_create(NULL);
  the_buffer = grpc_raw_byte_buffer_create(&slice, (size_t)payload_size);
  histogram = gpr_histogram_create(0.01, 60e9);

  sc.init();

  gpr_timespec end_warmup = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(3);
  gpr_timespec end_profiling = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(30);

  while (gpr_time_cmp(gpr_now(end_warmup.clock_type), end_warmup) < 0) {
    sc.do_one_step();
  }

  gpr_log(GPR_INFO, "start profiling");
  grpc_profiler_start("client.prof");
  while (gpr_time_cmp(gpr_now(end_profiling.clock_type), end_profiling) < 0) {
    start = now();
    sc.do_one_step();
    stop = now();
    gpr_histogram_add(histogram, stop - start);
  }
  grpc_profiler_stop();

  if (call) {
    grpc_call_destroy(call);
  }

  grpc_channel_destroy(channel);
  grpc_completion_queue_shutdown(cq);
  do {
    event = grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME),
                                       NULL);
  } while (event.type != GRPC_QUEUE_SHUTDOWN);
  grpc_completion_queue_destroy(cq);
  grpc_byte_buffer_destroy(the_buffer);
  gpr_slice_unref(slice);

  gpr_log(GPR_INFO, "latency (50/95/99/99.9): %f/%f/%f/%f",
          gpr_histogram_percentile(histogram, 50),
          gpr_histogram_percentile(histogram, 95),
          gpr_histogram_percentile(histogram, 99),
          gpr_histogram_percentile(histogram, 99.9));
  gpr_histogram_destroy(histogram);

  grpc_shutdown();

  return 0;
}
示例#28
0
void chttp2_init_client_load_reporting(grpc_end2end_test_fixture *f,
                                       grpc_channel_args *client_args) {
  load_reporting_fixture_data *ffd = f->fixture_data;
  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
  GPR_ASSERT(f->client);
}
示例#29
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);
  }
}
示例#30
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);
}