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/*
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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 <memory>
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#include <grpc++/channel.h>
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#include <grpc++/client_context.h>
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#include <grpc++/create_channel.h>
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#include <grpc++/generic/async_generic_service.h>
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#include <grpc++/generic/generic_stub.h>
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#include <grpc++/impl/codegen/proto_utils.h>
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#include <grpc++/server.h>
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#include <grpc++/server_builder.h>
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#include <grpc++/server_context.h>
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#include <grpc++/support/slice.h>
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#include <grpc/grpc.h>
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#include <grpc/support/thd.h>
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#include <grpc/support/time.h>
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#include "src/proto/grpc/testing/echo.grpc.pb.h"
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#include "test/core/util/port.h"
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#include "test/core/util/test_config.h"
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#include "test/cpp/util/byte_buffer_proto_helper.h"
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#include <gtest/gtest.h>
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using grpc::testing::EchoRequest;
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using grpc::testing::EchoResponse;
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using std::chrono::system_clock;
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namespace grpc {
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namespace testing {
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namespace {
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void* tag(int i) { return (void*)(intptr_t)i; }
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void verify_ok(CompletionQueue* cq, int i, bool expect_ok) {
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bool ok;
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void* got_tag;
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EXPECT_TRUE(cq->Next(&got_tag, &ok));
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EXPECT_EQ(expect_ok, ok);
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EXPECT_EQ(tag(i), got_tag);
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}
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class GenericEnd2endTest : public ::testing::Test {
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protected:
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GenericEnd2endTest() : server_host_("localhost") {}
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void SetUp() override {
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int port = grpc_pick_unused_port_or_die();
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server_address_ << server_host_ << ":" << port;
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// Setup server
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ServerBuilder builder;
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builder.AddListeningPort(server_address_.str(),
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InsecureServerCredentials());
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builder.RegisterAsyncGenericService(&generic_service_);
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// Include a second call to RegisterAsyncGenericService to make sure that
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// we get an error in the log, since it is not allowed to have 2 async
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// generic services
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builder.RegisterAsyncGenericService(&generic_service_);
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srv_cq_ = builder.AddCompletionQueue();
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server_ = builder.BuildAndStart();
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}
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void TearDown() override {
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server_->Shutdown();
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void* ignored_tag;
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bool ignored_ok;
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cli_cq_.Shutdown();
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srv_cq_->Shutdown();
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while (cli_cq_.Next(&ignored_tag, &ignored_ok))
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;
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while (srv_cq_->Next(&ignored_tag, &ignored_ok))
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;
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}
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void ResetStub() {
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std::shared_ptr<Channel> channel =
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CreateChannel(server_address_.str(), InsecureChannelCredentials());
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generic_stub_.reset(new GenericStub(channel));
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}
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void server_ok(int i) { verify_ok(srv_cq_.get(), i, true); }
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void client_ok(int i) { verify_ok(&cli_cq_, i, true); }
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void server_fail(int i) { verify_ok(srv_cq_.get(), i, false); }
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void client_fail(int i) { verify_ok(&cli_cq_, i, false); }
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void SendRpc(int num_rpcs) {
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SendRpc(num_rpcs, false, gpr_inf_future(GPR_CLOCK_MONOTONIC));
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}
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void SendRpc(int num_rpcs, bool check_deadline, gpr_timespec deadline) {
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const grpc::string kMethodName("/grpc.cpp.test.util.EchoTestService/Echo");
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for (int i = 0; i < num_rpcs; i++) {
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EchoRequest send_request;
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EchoRequest recv_request;
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EchoResponse send_response;
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EchoResponse recv_response;
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Status recv_status;
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ClientContext cli_ctx;
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GenericServerContext srv_ctx;
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GenericServerAsyncReaderWriter stream(&srv_ctx);
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// The string needs to be long enough to test heap-based slice.
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send_request.set_message("Hello world. Hello world. Hello world.");
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if (check_deadline) {
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cli_ctx.set_deadline(deadline);
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}
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std::unique_ptr<GenericClientAsyncReaderWriter> call =
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generic_stub_->PrepareCall(&cli_ctx, kMethodName, &cli_cq_);
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call->StartCall(tag(1));
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client_ok(1);
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std::unique_ptr<ByteBuffer> send_buffer =
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SerializeToByteBuffer(&send_request);
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call->Write(*send_buffer, tag(2));
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// Send ByteBuffer can be destroyed after calling Write.
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send_buffer.reset();
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client_ok(2);
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call->WritesDone(tag(3));
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client_ok(3);
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generic_service_.RequestCall(&srv_ctx, &stream, srv_cq_.get(),
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srv_cq_.get(), tag(4));
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verify_ok(srv_cq_.get(), 4, true);
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EXPECT_EQ(server_host_, srv_ctx.host().substr(0, server_host_.length()));
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EXPECT_EQ(kMethodName, srv_ctx.method());
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if (check_deadline) {
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EXPECT_TRUE(gpr_time_similar(deadline, srv_ctx.raw_deadline(),
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gpr_time_from_millis(1000, GPR_TIMESPAN)));
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}
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ByteBuffer recv_buffer;
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stream.Read(&recv_buffer, tag(5));
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server_ok(5);
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EXPECT_TRUE(ParseFromByteBuffer(&recv_buffer, &recv_request));
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EXPECT_EQ(send_request.message(), recv_request.message());
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send_response.set_message(recv_request.message());
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send_buffer = SerializeToByteBuffer(&send_response);
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stream.Write(*send_buffer, tag(6));
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send_buffer.reset();
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server_ok(6);
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stream.Finish(Status::OK, tag(7));
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server_ok(7);
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recv_buffer.Clear();
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call->Read(&recv_buffer, tag(8));
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client_ok(8);
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EXPECT_TRUE(ParseFromByteBuffer(&recv_buffer, &recv_response));
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call->Finish(&recv_status, tag(9));
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client_ok(9);
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EXPECT_EQ(send_response.message(), recv_response.message());
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EXPECT_TRUE(recv_status.ok());
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}
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}
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CompletionQueue cli_cq_;
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std::unique_ptr<ServerCompletionQueue> srv_cq_;
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std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
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std::unique_ptr<grpc::GenericStub> generic_stub_;
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std::unique_ptr<Server> server_;
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AsyncGenericService generic_service_;
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const grpc::string server_host_;
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std::ostringstream server_address_;
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};
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TEST_F(GenericEnd2endTest, SimpleRpc) {
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ResetStub();
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SendRpc(1);
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}
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TEST_F(GenericEnd2endTest, SequentialRpcs) {
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ResetStub();
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SendRpc(10);
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}
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TEST_F(GenericEnd2endTest, SequentialUnaryRpcs) {
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ResetStub();
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const int num_rpcs = 10;
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const grpc::string kMethodName("/grpc.cpp.test.util.EchoTestService/Echo");
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for (int i = 0; i < num_rpcs; i++) {
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EchoRequest send_request;
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EchoRequest recv_request;
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EchoResponse send_response;
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EchoResponse recv_response;
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Status recv_status;
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ClientContext cli_ctx;
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GenericServerContext srv_ctx;
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GenericServerAsyncReaderWriter stream(&srv_ctx);
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// The string needs to be long enough to test heap-based slice.
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send_request.set_message("Hello world. Hello world. Hello world.");
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std::unique_ptr<ByteBuffer> cli_send_buffer =
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SerializeToByteBuffer(&send_request);
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// Use the same cq as server so that events can be polled in time.
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std::unique_ptr<GenericClientAsyncResponseReader> call =
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generic_stub_->PrepareUnaryCall(&cli_ctx, kMethodName,
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*cli_send_buffer.get(), srv_cq_.get());
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call->StartCall();
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ByteBuffer cli_recv_buffer;
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call->Finish(&cli_recv_buffer, &recv_status, tag(1));
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generic_service_.RequestCall(&srv_ctx, &stream, srv_cq_.get(),
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srv_cq_.get(), tag(4));
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server_ok(4);
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EXPECT_EQ(server_host_, srv_ctx.host().substr(0, server_host_.length()));
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EXPECT_EQ(kMethodName, srv_ctx.method());
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ByteBuffer srv_recv_buffer;
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stream.Read(&srv_recv_buffer, tag(5));
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server_ok(5);
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EXPECT_TRUE(ParseFromByteBuffer(&srv_recv_buffer, &recv_request));
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EXPECT_EQ(send_request.message(), recv_request.message());
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send_response.set_message(recv_request.message());
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std::unique_ptr<ByteBuffer> srv_send_buffer =
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SerializeToByteBuffer(&send_response);
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stream.Write(*srv_send_buffer, tag(6));
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server_ok(6);
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stream.Finish(Status::OK, tag(7));
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server_ok(7);
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verify_ok(srv_cq_.get(), 1, true);
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EXPECT_TRUE(ParseFromByteBuffer(&cli_recv_buffer, &recv_response));
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EXPECT_EQ(send_response.message(), recv_response.message());
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EXPECT_TRUE(recv_status.ok());
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}
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}
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// One ping, one pong.
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TEST_F(GenericEnd2endTest, SimpleBidiStreaming) {
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ResetStub();
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const grpc::string kMethodName(
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"/grpc.cpp.test.util.EchoTestService/BidiStream");
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EchoRequest send_request;
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EchoRequest recv_request;
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EchoResponse send_response;
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EchoResponse recv_response;
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Status recv_status;
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ClientContext cli_ctx;
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GenericServerContext srv_ctx;
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GenericServerAsyncReaderWriter srv_stream(&srv_ctx);
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cli_ctx.set_compression_algorithm(GRPC_COMPRESS_GZIP);
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send_request.set_message("Hello");
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std::unique_ptr<GenericClientAsyncReaderWriter> cli_stream =
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generic_stub_->PrepareCall(&cli_ctx, kMethodName, &cli_cq_);
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cli_stream->StartCall(tag(1));
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client_ok(1);
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generic_service_.RequestCall(&srv_ctx, &srv_stream, srv_cq_.get(),
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srv_cq_.get(), tag(2));
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verify_ok(srv_cq_.get(), 2, true);
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EXPECT_EQ(server_host_, srv_ctx.host().substr(0, server_host_.length()));
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EXPECT_EQ(kMethodName, srv_ctx.method());
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std::unique_ptr<ByteBuffer> send_buffer =
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SerializeToByteBuffer(&send_request);
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cli_stream->Write(*send_buffer, tag(3));
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send_buffer.reset();
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client_ok(3);
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ByteBuffer recv_buffer;
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srv_stream.Read(&recv_buffer, tag(4));
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server_ok(4);
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EXPECT_TRUE(ParseFromByteBuffer(&recv_buffer, &recv_request));
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EXPECT_EQ(send_request.message(), recv_request.message());
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send_response.set_message(recv_request.message());
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send_buffer = SerializeToByteBuffer(&send_response);
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srv_stream.Write(*send_buffer, tag(5));
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send_buffer.reset();
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server_ok(5);
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cli_stream->Read(&recv_buffer, tag(6));
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client_ok(6);
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EXPECT_TRUE(ParseFromByteBuffer(&recv_buffer, &recv_response));
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EXPECT_EQ(send_response.message(), recv_response.message());
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cli_stream->WritesDone(tag(7));
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client_ok(7);
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srv_stream.Read(&recv_buffer, tag(8));
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server_fail(8);
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srv_stream.Finish(Status::OK, tag(9));
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server_ok(9);
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cli_stream->Finish(&recv_status, tag(10));
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client_ok(10);
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EXPECT_EQ(send_response.message(), recv_response.message());
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EXPECT_TRUE(recv_status.ok());
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}
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TEST_F(GenericEnd2endTest, Deadline) {
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ResetStub();
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SendRpc(1, true,
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gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC),
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gpr_time_from_seconds(10, GPR_TIMESPAN)));
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}
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} // namespace
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} // namespace testing
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} // namespace grpc
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int main(int argc, char** argv) {
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grpc_test_init(argc, argv);
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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