mirror of https://github.com/grpc/grpc.git
133 lines
4.4 KiB
C++
133 lines
4.4 KiB
C++
//
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//
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// Copyright 2015 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//
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#include <grpc/credentials.h>
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#include <grpc/grpc.h>
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#include <grpc/grpc_security.h>
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#include <grpc/impl/propagation_bits.h>
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#include <grpc/slice.h>
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#include <grpc/status.h>
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#include <grpc/support/time.h>
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#include <string.h>
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#include <utility>
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#include "absl/log/check.h"
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#include "absl/log/log.h"
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#include "absl/status/status.h"
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#include "absl/status/statusor.h"
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#include "absl/time/time.h"
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#include "src/core/lib/channel/channel_args.h"
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#include "src/core/lib/iomgr/exec_ctx.h"
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#include "src/core/resolver/endpoint_addresses.h"
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#include "src/core/resolver/fake/fake_resolver.h"
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#include "src/core/resolver/resolver.h"
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#include "src/core/service_config/service_config.h"
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#include "src/core/util/ref_counted_ptr.h"
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#include "test/core/end2end/cq_verifier.h"
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#include "test/core/test_util/test_config.h"
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void run_test(bool wait_for_ready) {
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LOG(INFO) << "TEST: wait_for_ready=" << wait_for_ready;
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grpc_init();
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grpc_completion_queue* cq = grpc_completion_queue_create_for_next(nullptr);
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grpc_core::CqVerifier cqv(cq);
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grpc_core::RefCountedPtr<grpc_core::FakeResolverResponseGenerator>
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response_generator =
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grpc_core::MakeRefCounted<grpc_core::FakeResolverResponseGenerator>();
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auto args = grpc_core::ChannelArgs().SetObject(response_generator).ToC();
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// create a call, channel to a non existent server
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grpc_channel_credentials* creds = grpc_insecure_credentials_create();
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grpc_channel* chan =
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grpc_channel_create("fake:nonexistent", creds, args.get());
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grpc_channel_credentials_release(creds);
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gpr_timespec deadline = grpc_timeout_seconds_to_deadline(2);
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grpc_call* call = grpc_channel_create_call(
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chan, nullptr, GRPC_PROPAGATE_DEFAULTS, cq,
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grpc_slice_from_static_string("/Foo"), nullptr, deadline, nullptr);
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grpc_op ops[6];
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memset(ops, 0, sizeof(ops));
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grpc_op* op = ops;
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op->op = GRPC_OP_SEND_INITIAL_METADATA;
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op->data.send_initial_metadata.count = 0;
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op->flags = wait_for_ready ? GRPC_INITIAL_METADATA_WAIT_FOR_READY : 0;
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op->reserved = nullptr;
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op++;
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grpc_metadata_array trailing_metadata_recv;
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grpc_metadata_array_init(&trailing_metadata_recv);
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grpc_status_code status;
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grpc_slice details;
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op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
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op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
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op->data.recv_status_on_client.status = &status;
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op->data.recv_status_on_client.status_details = &details;
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op->flags = 0;
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op->reserved = nullptr;
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op++;
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CHECK_EQ(GRPC_CALL_OK,
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grpc_call_start_batch(call, ops, (size_t)(op - ops),
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grpc_core::CqVerifier::tag(1), nullptr));
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{
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response_generator->WaitForResolverSet(
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absl::Seconds(5 * grpc_test_slowdown_factor()));
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grpc_core::ExecCtx exec_ctx;
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grpc_core::Resolver::Result result;
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result.addresses = absl::UnavailableError("Resolver transient failure");
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result.service_config = result.addresses.status();
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response_generator->SetResponseSynchronously(std::move(result));
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}
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// verify that all tags get completed
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cqv.Expect(grpc_core::CqVerifier::tag(1), true);
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cqv.Verify();
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LOG(INFO) << "call status: " << status;
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if (wait_for_ready) {
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CHECK_EQ(status, GRPC_STATUS_DEADLINE_EXCEEDED);
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} else {
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CHECK_EQ(status, GRPC_STATUS_UNAVAILABLE);
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}
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grpc_slice_unref(details);
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grpc_metadata_array_destroy(&trailing_metadata_recv);
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grpc_completion_queue_shutdown(cq);
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while (grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME),
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nullptr)
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.type != GRPC_QUEUE_SHUTDOWN) {
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}
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grpc_completion_queue_destroy(cq);
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grpc_call_unref(call);
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grpc_channel_destroy(chan);
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grpc_shutdown();
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}
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int main(int argc, char** argv) {
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grpc::testing::TestEnvironment env(&argc, argv);
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run_test(true /* wait_for_ready */);
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run_test(false /* wait_for_ready */);
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return 0;
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}
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