| // |
| // |
| // Copyright 2016 gRPC authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // |
| |
| #include <string.h> |
| |
| #include <string> |
| |
| #include "absl/log/check.h" |
| #include "absl/log/log.h" |
| |
| #include <grpc/credentials.h> |
| #include <grpc/grpc.h> |
| #include <grpc/grpc_security.h> |
| #include <grpc/impl/channel_arg_names.h> |
| #include <grpc/impl/propagation_bits.h> |
| #include <grpc/slice.h> |
| #include <grpc/status.h> |
| #include <grpc/support/time.h> |
| |
| #include "src/core/lib/channel/channel_args.h" |
| #include "src/core/lib/gprpp/host_port.h" |
| #include "src/core/lib/iomgr/exec_ctx.h" |
| #include "test/core/end2end/cq_verifier.h" |
| #include "test/core/test_util/port.h" |
| #include "test/core/test_util/test_config.h" |
| |
| static void run_test(bool wait_for_ready, bool use_service_config) { |
| grpc_channel* chan; |
| grpc_call* call; |
| grpc_completion_queue* cq; |
| grpc_op ops[6]; |
| grpc_op* op; |
| grpc_metadata_array trailing_metadata_recv; |
| grpc_status_code status; |
| grpc_slice details; |
| |
| LOG(INFO) << "TEST: wait_for_ready=" << wait_for_ready |
| << " use_service_config=" << use_service_config; |
| |
| grpc_init(); |
| |
| grpc_metadata_array_init(&trailing_metadata_recv); |
| |
| cq = grpc_completion_queue_create_for_next(nullptr); |
| grpc_core::CqVerifier cqv(cq); |
| |
| // if using service config, create channel args |
| grpc_channel_args* args = nullptr; |
| if (use_service_config) { |
| CHECK(wait_for_ready); |
| grpc_arg arg; |
| arg.type = GRPC_ARG_STRING; |
| arg.key = const_cast<char*>(GRPC_ARG_SERVICE_CONFIG); |
| arg.value.string = const_cast<char*>( |
| "{\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(); |
| std::string addr = grpc_core::JoinHostPort("127.0.0.1", port); |
| LOG(INFO) << "server: " << addr; |
| grpc_channel_credentials* creds = grpc_insecure_credentials_create(); |
| chan = grpc_channel_create(addr.c_str(), creds, args); |
| grpc_channel_credentials_release(creds); |
| grpc_slice host = grpc_slice_from_static_string("nonexistant"); |
| gpr_timespec deadline = grpc_timeout_seconds_to_deadline(2); |
| call = |
| grpc_channel_create_call(chan, nullptr, GRPC_PROPAGATE_DEFAULTS, cq, |
| grpc_slice_from_static_string("/service/method"), |
| &host, deadline, nullptr); |
| |
| 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 = nullptr; |
| 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->flags = 0; |
| op->reserved = nullptr; |
| op++; |
| CHECK_EQ(GRPC_CALL_OK, |
| grpc_call_start_batch(call, ops, (size_t)(op - ops), |
| grpc_core::CqVerifier::tag(1), nullptr)); |
| // verify that all tags get completed |
| cqv.Expect(grpc_core::CqVerifier::tag(1), true); |
| cqv.Verify(); |
| |
| if (wait_for_ready) { |
| CHECK_EQ(status, GRPC_STATUS_DEADLINE_EXCEEDED); |
| } else { |
| CHECK_EQ(status, GRPC_STATUS_UNAVAILABLE); |
| } |
| |
| grpc_completion_queue_shutdown(cq); |
| while (grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), |
| nullptr) |
| .type != GRPC_QUEUE_SHUTDOWN) { |
| } |
| grpc_completion_queue_destroy(cq); |
| grpc_call_unref(call); |
| grpc_channel_destroy(chan); |
| |
| grpc_slice_unref(details); |
| grpc_metadata_array_destroy(&trailing_metadata_recv); |
| |
| { |
| grpc_core::ExecCtx exec_ctx; |
| if (args != nullptr) grpc_channel_args_destroy(args); |
| } |
| |
| grpc_shutdown(); |
| } |
| |
| int main(int argc, char** argv) { |
| grpc::testing::TestEnvironment env(&argc, argv); |
| run_test(false /* wait_for_ready */, false /* use_service_config */); |
| run_test(true /* wait_for_ready */, false /* use_service_config */); |
| run_test(true /* wait_for_ready */, true /* use_service_config */); |
| return 0; |
| } |