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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 <memory>
#include <sstream>
#include <gflags/gflags.h>
#include <grpc++/channel.h>
#include <grpc++/client_context.h>
#include <grpc++/support/channel_arguments.h>
#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include "src/proto/grpc/testing/empty.grpc.pb.h"
#include "src/proto/grpc/testing/messages.grpc.pb.h"
#include "src/proto/grpc/testing/test.grpc.pb.h"
#include "test/cpp/util/create_test_channel.h"
#include "test/cpp/util/test_config.h"
DEFINE_int32(server_control_port, 0, "Server port for control rpcs.");
DEFINE_int32(server_retry_port, 0, "Server port for testing reconnection.");
DEFINE_string(server_host, "127.0.0.1", "Server host to connect to");
DEFINE_int32(max_reconnect_backoff_ms, 0,
"Maximum backoff time, or 0 for default.");
using grpc::CallCredentials;
using grpc::Channel;
using grpc::ChannelArguments;
using grpc::ClientContext;
using grpc::CreateTestChannel;
using grpc::Status;
using grpc::testing::Empty;
using grpc::testing::ReconnectInfo;
using grpc::testing::ReconnectParams;
using grpc::testing::ReconnectService;
int main(int argc, char** argv) {
grpc::testing::InitTest(&argc, &argv, true);
GPR_ASSERT(FLAGS_server_control_port);
GPR_ASSERT(FLAGS_server_retry_port);
std::ostringstream server_address;
server_address << FLAGS_server_host << ':' << FLAGS_server_control_port;
std::unique_ptr<ReconnectService::Stub> control_stub(
ReconnectService::NewStub(
CreateTestChannel(server_address.str(), false)));
ClientContext start_context;
ReconnectParams reconnect_params;
reconnect_params.set_max_reconnect_backoff_ms(FLAGS_max_reconnect_backoff_ms);
Empty empty_response;
Status start_status =
control_stub->Start(&start_context, reconnect_params, &empty_response);
GPR_ASSERT(start_status.ok());
gpr_log(GPR_INFO, "Starting connections with retries.");
server_address.str("");
server_address << FLAGS_server_host << ':' << FLAGS_server_retry_port;
ChannelArguments channel_args;
if (FLAGS_max_reconnect_backoff_ms > 0) {
channel_args.SetInt(GRPC_ARG_MAX_RECONNECT_BACKOFF_MS,
FLAGS_max_reconnect_backoff_ms);
}
std::shared_ptr<Channel> retry_channel =
CreateTestChannel(server_address.str(), "foo.test.google.fr", true, false,
std::shared_ptr<CallCredentials>(), channel_args);
// About 13 retries.
const int kDeadlineSeconds = 540;
// Use any rpc to test retry.
std::unique_ptr<ReconnectService::Stub> retry_stub(
ReconnectService::NewStub(retry_channel));
ClientContext retry_context;
retry_context.set_deadline(std::chrono::system_clock::now() +
std::chrono::seconds(kDeadlineSeconds));
Status retry_status =
retry_stub->Start(&retry_context, reconnect_params, &empty_response);
GPR_ASSERT(retry_status.error_code() == grpc::StatusCode::DEADLINE_EXCEEDED);
gpr_log(GPR_INFO, "Done retrying, getting final data from server");
ClientContext stop_context;
ReconnectInfo response;
Status stop_status = control_stub->Stop(&stop_context, Empty(), &response);
GPR_ASSERT(stop_status.ok());
GPR_ASSERT(response.passed() == true);
gpr_log(GPR_INFO, "Passed");
return 0;
}
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