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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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116 lines
4.7 KiB
116 lines
4.7 KiB
/* |
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <memory> |
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#include <sstream> |
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#include <gflags/gflags.h> |
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#include <grpc++/channel.h> |
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#include <grpc++/client_context.h> |
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#include <grpc++/support/channel_arguments.h> |
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#include <grpc/grpc.h> |
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#include <grpc/support/log.h> |
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#include "src/proto/grpc/testing/empty.pb.h" |
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#include "src/proto/grpc/testing/messages.pb.h" |
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#include "src/proto/grpc/testing/test.grpc.pb.h" |
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#include "test/cpp/util/create_test_channel.h" |
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#include "test/cpp/util/test_config.h" |
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DEFINE_int32(server_control_port, 0, "Server port for control rpcs."); |
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DEFINE_int32(server_retry_port, 0, "Server port for testing reconnection."); |
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DEFINE_string(server_host, "localhost", "Server host to connect to"); |
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DEFINE_int32(max_reconnect_backoff_ms, 0, |
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"Maximum backoff time, or 0 for default."); |
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using grpc::CallCredentials; |
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using grpc::Channel; |
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using grpc::ChannelArguments; |
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using grpc::ClientContext; |
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using grpc::CreateTestChannel; |
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using grpc::Status; |
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using grpc::testing::Empty; |
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using grpc::testing::ReconnectInfo; |
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using grpc::testing::ReconnectParams; |
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using grpc::testing::ReconnectService; |
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int main(int argc, char** argv) { |
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grpc::testing::InitTest(&argc, &argv, true); |
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GPR_ASSERT(FLAGS_server_control_port); |
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GPR_ASSERT(FLAGS_server_retry_port); |
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std::ostringstream server_address; |
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server_address << FLAGS_server_host << ':' << FLAGS_server_control_port; |
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std::unique_ptr<ReconnectService::Stub> control_stub( |
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ReconnectService::NewStub( |
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CreateTestChannel(server_address.str(), false))); |
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ClientContext start_context; |
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ReconnectParams reconnect_params; |
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reconnect_params.set_max_reconnect_backoff_ms(FLAGS_max_reconnect_backoff_ms); |
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Empty empty_response; |
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Status start_status = |
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control_stub->Start(&start_context, reconnect_params, &empty_response); |
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GPR_ASSERT(start_status.ok()); |
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gpr_log(GPR_INFO, "Starting connections with retries."); |
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server_address.str(""); |
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server_address << FLAGS_server_host << ':' << FLAGS_server_retry_port; |
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ChannelArguments channel_args; |
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if (FLAGS_max_reconnect_backoff_ms > 0) { |
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channel_args.SetInt(GRPC_ARG_MAX_RECONNECT_BACKOFF_MS, |
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FLAGS_max_reconnect_backoff_ms); |
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} |
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std::shared_ptr<Channel> retry_channel = |
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CreateTestChannel(server_address.str(), "foo.test.google.fr", true, false, |
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std::shared_ptr<CallCredentials>(), channel_args); |
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// About 13 retries. |
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const int kDeadlineSeconds = 540; |
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// Use any rpc to test retry. |
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std::unique_ptr<ReconnectService::Stub> retry_stub( |
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ReconnectService::NewStub(retry_channel)); |
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ClientContext retry_context; |
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retry_context.set_deadline(std::chrono::system_clock::now() + |
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std::chrono::seconds(kDeadlineSeconds)); |
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Status retry_status = |
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retry_stub->Start(&retry_context, reconnect_params, &empty_response); |
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GPR_ASSERT(retry_status.error_code() == grpc::StatusCode::DEADLINE_EXCEEDED); |
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gpr_log(GPR_INFO, "Done retrying, getting final data from server"); |
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ClientContext stop_context; |
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ReconnectInfo response; |
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Status stop_status = control_stub->Stop(&stop_context, Empty(), &response); |
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GPR_ASSERT(stop_status.ok()); |
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GPR_ASSERT(response.passed() == true); |
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gpr_log(GPR_INFO, "Passed"); |
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return 0; |
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}
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