| /* |
| * |
| * 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; |
| } |