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/*
*
* 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 <thread>
#include <gtest/gtest.h>
#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include <grpc/support/sync.h>
#include <grpcpp/channel.h>
#include <grpcpp/client_context.h>
#include <grpcpp/create_channel.h>
#include <grpcpp/server.h>
#include <grpcpp/server_builder.h>
#include <grpcpp/server_context.h>
#include "src/core/lib/gprpp/env.h"
#include "src/proto/grpc/testing/echo.grpc.pb.h"
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"
#include "test/cpp/util/test_credentials_provider.h"
namespace grpc {
namespace testing {
class TestServiceImpl : public grpc::testing::EchoTestService::Service {
public:
explicit TestServiceImpl(gpr_event* ev) : ev_(ev) {}
Status Echo(ServerContext* context, const EchoRequest* /*request*/,
EchoResponse* /*response*/) override {
gpr_event_set(ev_, reinterpret_cast<void*>(1));
while (!context->IsCancelled()) {
}
return Status::OK;
}
private:
gpr_event* ev_;
};
class ShutdownTest : public ::testing::TestWithParam<string> {
public:
ShutdownTest() : shutdown_(false), service_(&ev_) { gpr_event_init(&ev_); }
void SetUp() override {
port_ = grpc_pick_unused_port_or_die();
server_ = SetUpServer(port_);
}
std::unique_ptr<Server> SetUpServer(const int port) {
std::string server_address = "localhost:" + to_string(port);
ServerBuilder builder;
auto server_creds =
GetCredentialsProvider()->GetServerCredentials(GetParam());
builder.AddListeningPort(server_address, server_creds);
builder.RegisterService(&service_);
std::unique_ptr<Server> server = builder.BuildAndStart();
return server;
}
void TearDown() override { GPR_ASSERT(shutdown_); }
void ResetStub() {
string target = "dns:localhost:" + to_string(port_);
ChannelArguments args;
auto channel_creds =
GetCredentialsProvider()->GetChannelCredentials(GetParam(), &args);
channel_ = grpc::CreateCustomChannel(target, channel_creds, args);
stub_ = grpc::testing::EchoTestService::NewStub(channel_);
}
string to_string(const int number) {
std::stringstream strs;
strs << number;
return strs.str();
}
void SendRequest() {
EchoRequest request;
EchoResponse response;
request.set_message("Hello");
ClientContext context;
GPR_ASSERT(!shutdown_);
Status s = stub_->Echo(&context, request, &response);
GPR_ASSERT(shutdown_);
}
protected:
std::shared_ptr<Channel> channel_;
std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
std::unique_ptr<Server> server_;
bool shutdown_;
int port_;
gpr_event ev_;
TestServiceImpl service_;
};
std::vector<string> GetAllCredentialsTypeList() {
std::vector<std::string> credentials_types;
if (GetCredentialsProvider()->GetChannelCredentials(kInsecureCredentialsType,
nullptr) != nullptr) {
credentials_types.push_back(kInsecureCredentialsType);
}
auto sec_list = GetCredentialsProvider()->GetSecureCredentialsTypeList();
for (auto sec = sec_list.begin(); sec != sec_list.end(); sec++) {
credentials_types.push_back(*sec);
}
GPR_ASSERT(!credentials_types.empty());
std::string credentials_type_list("credentials types:");
for (const string& type : credentials_types) {
credentials_type_list.append(" " + type);
}
gpr_log(GPR_INFO, "%s", credentials_type_list.c_str());
return credentials_types;
}
INSTANTIATE_TEST_SUITE_P(End2EndShutdown, ShutdownTest,
::testing::ValuesIn(GetAllCredentialsTypeList()));
// TODO(ctiller): leaked objects in this test
TEST_P(ShutdownTest, ShutdownTest) {
ResetStub();
// send the request in a background thread
std::thread thr(std::bind(&ShutdownTest::SendRequest, this));
// wait for the server to get the event
gpr_event_wait(&ev_, gpr_inf_future(GPR_CLOCK_MONOTONIC));
shutdown_ = true;
// shutdown should trigger cancellation causing everything to shutdown
auto deadline =
std::chrono::system_clock::now() + std::chrono::microseconds(100);
server_->Shutdown(deadline);
EXPECT_GE(std::chrono::system_clock::now(), deadline);
thr.join();
}
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
grpc::testing::TestEnvironment env(&argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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