| // |
| // |
| // Copyright 2015 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 <utility> |
| |
| #include "absl/log/check.h" |
| #include "absl/log/log.h" |
| #include "absl/status/status.h" |
| #include "absl/status/statusor.h" |
| #include "absl/time/time.h" |
| |
| #include <grpc/credentials.h> |
| #include <grpc/grpc.h> |
| #include <grpc/grpc_security.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/ref_counted_ptr.h" |
| #include "src/core/lib/iomgr/exec_ctx.h" |
| #include "src/core/resolver/endpoint_addresses.h" |
| #include "src/core/resolver/fake/fake_resolver.h" |
| #include "src/core/resolver/resolver.h" |
| #include "src/core/service_config/service_config.h" |
| #include "test/core/end2end/cq_verifier.h" |
| #include "test/core/test_util/test_config.h" |
| |
| void run_test(bool wait_for_ready) { |
| LOG(INFO) << "TEST: wait_for_ready=" << wait_for_ready; |
| |
| grpc_init(); |
| |
| grpc_completion_queue* cq = grpc_completion_queue_create_for_next(nullptr); |
| grpc_core::CqVerifier cqv(cq); |
| |
| grpc_core::RefCountedPtr<grpc_core::FakeResolverResponseGenerator> |
| response_generator = |
| grpc_core::MakeRefCounted<grpc_core::FakeResolverResponseGenerator>(); |
| auto args = grpc_core::ChannelArgs().SetObject(response_generator).ToC(); |
| |
| // create a call, channel to a non existant server |
| grpc_channel_credentials* creds = grpc_insecure_credentials_create(); |
| grpc_channel* chan = |
| grpc_channel_create("fake:nonexistant", creds, args.get()); |
| grpc_channel_credentials_release(creds); |
| gpr_timespec deadline = grpc_timeout_seconds_to_deadline(2); |
| grpc_call* call = grpc_channel_create_call( |
| chan, nullptr, GRPC_PROPAGATE_DEFAULTS, cq, |
| grpc_slice_from_static_string("/Foo"), nullptr, deadline, nullptr); |
| |
| grpc_op ops[6]; |
| memset(ops, 0, sizeof(ops)); |
| grpc_op* op = ops; |
| op->op = GRPC_OP_SEND_INITIAL_METADATA; |
| op->data.send_initial_metadata.count = 0; |
| op->flags = wait_for_ready ? GRPC_INITIAL_METADATA_WAIT_FOR_READY : 0; |
| op->reserved = nullptr; |
| op++; |
| grpc_metadata_array trailing_metadata_recv; |
| grpc_metadata_array_init(&trailing_metadata_recv); |
| grpc_status_code status; |
| grpc_slice details; |
| 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)); |
| |
| { |
| response_generator->WaitForResolverSet( |
| absl::Seconds(5 * grpc_test_slowdown_factor())); |
| grpc_core::ExecCtx exec_ctx; |
| grpc_core::Resolver::Result result; |
| result.addresses = absl::UnavailableError("Resolver transient failure"); |
| result.service_config = result.addresses.status(); |
| response_generator->SetResponseSynchronously(std::move(result)); |
| } |
| |
| // verify that all tags get completed |
| cqv.Expect(grpc_core::CqVerifier::tag(1), true); |
| cqv.Verify(); |
| |
| LOG(INFO) << "call status: " << status; |
| if (wait_for_ready) { |
| CHECK_EQ(status, GRPC_STATUS_DEADLINE_EXCEEDED); |
| } else { |
| CHECK_EQ(status, GRPC_STATUS_UNAVAILABLE); |
| } |
| |
| grpc_slice_unref(details); |
| grpc_metadata_array_destroy(&trailing_metadata_recv); |
| |
| 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_shutdown(); |
| } |
| |
| int main(int argc, char** argv) { |
| grpc::testing::TestEnvironment env(&argc, argv); |
| run_test(true /* wait_for_ready */); |
| run_test(false /* wait_for_ready */); |
| return 0; |
| } |