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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <thread>
#include <grpc/grpc.h>
#include <grpc/support/sync.h>
#include <grpc++/channel.h>
#include <grpc++/client_context.h>
#include <grpc++/create_channel.h>
#include <grpc++/server.h>
#include <grpc++/server_builder.h>
#include <grpc++/server_context.h>
#include <gtest/gtest.h>
#include "src/core/support/env.h"
#include "test/core/util/test_config.h"
#include "test/core/util/port.h"
#include "test/cpp/util/echo.grpc.pb.h"
using grpc::cpp::test::util::EchoRequest;
using grpc::cpp::test::util::EchoResponse;
namespace grpc {
namespace testing {
class TestServiceImpl : public ::grpc::cpp::test::util::TestService::Service {
public:
explicit TestServiceImpl(gpr_event* ev) : ev_(ev) {}
Status Echo(ServerContext* context, const EchoRequest* request,
EchoResponse* response) GRPC_OVERRIDE {
gpr_event_set(ev_, (void*)1);
while (!context->IsCancelled()) {
}
return Status::OK;
}
private:
gpr_event* ev_;
};
class ShutdownTest : public ::testing::Test {
public:
ShutdownTest() : shutdown_(false), service_(&ev_) { gpr_event_init(&ev_); }
void SetUp() GRPC_OVERRIDE {
port_ = grpc_pick_unused_port_or_die();
server_ = SetUpServer(port_);
}
std::unique_ptr<Server> SetUpServer(const int port) {
grpc::string server_address = "localhost:" + to_string(port);
ServerBuilder builder;
builder.AddListeningPort(server_address, InsecureServerCredentials());
builder.RegisterService(&service_);
std::unique_ptr<Server> server = builder.BuildAndStart();
return server;
}
void TearDown() GRPC_OVERRIDE { GPR_ASSERT(shutdown_); }
void ResetStub() {
string target = "dns:localhost:" + to_string(port_);
channel_ = CreateChannel(target, InsecureChannelCredentials());
stub_ = grpc::cpp::test::util::TestService::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::cpp::test::util::TestService::Stub> stub_;
std::unique_ptr<Server> server_;
bool shutdown_;
int port_;
gpr_event ev_;
TestServiceImpl service_;
};
// Tests zookeeper state change between two RPCs
// TODO(ctiller): leaked objects in this test
TEST_F(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_test_init(argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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