| /* |
| * |
| * 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 <cassert> |
| #include <memory> |
| #include <mutex> |
| #include <string> |
| #include <thread> |
| #include <vector> |
| #include <sstream> |
| |
| #include <sys/signal.h> |
| |
| #include <grpc/grpc.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/histogram.h> |
| #include <grpc/support/log.h> |
| #include <grpc/support/host_port.h> |
| #include <gflags/gflags.h> |
| #include <grpc++/client_context.h> |
| #include <grpc++/status.h> |
| #include <grpc++/server.h> |
| #include <grpc++/server_builder.h> |
| #include <grpc++/server_credentials.h> |
| #include <grpc++/stream.h> |
| #include "test/core/util/grpc_profiler.h" |
| #include "test/cpp/util/create_test_channel.h" |
| #include "test/cpp/qps/qpstest.pb.h" |
| #include "test/cpp/qps/client.h" |
| #include "test/cpp/qps/server.h" |
| |
| DEFINE_int32(driver_port, 0, "Driver server port."); |
| DEFINE_int32(server_port, 0, "Spawned server port."); |
| |
| // In some distros, gflags is in the namespace google, and in some others, |
| // in gflags. This hack is enabling us to find both. |
| namespace google {} |
| namespace gflags {} |
| using namespace google; |
| using namespace gflags; |
| |
| static bool got_sigint = false; |
| |
| namespace grpc { |
| namespace testing { |
| |
| std::unique_ptr<Client> CreateClient(const ClientConfig& config) { |
| switch (config.client_type()) { |
| case ClientType::SYNCHRONOUS_CLIENT: |
| return CreateSynchronousClient(config); |
| case ClientType::ASYNC_CLIENT: |
| return CreateAsyncClient(config); |
| } |
| abort(); |
| } |
| |
| std::unique_ptr<Server> CreateServer(const ServerConfig& config) { |
| switch (config.server_type()) { |
| case ServerType::SYNCHRONOUS_SERVER: |
| return CreateSynchronousServer(config, FLAGS_server_port); |
| case ServerType::ASYNC_SERVER: |
| return CreateAsyncServer(config, FLAGS_server_port); |
| } |
| abort(); |
| } |
| |
| class WorkerImpl GRPC_FINAL : public Worker::Service { |
| public: |
| WorkerImpl() : acquired_(false) {} |
| |
| Status RunTest(ServerContext* ctx, |
| ServerReaderWriter<ClientStatus, ClientArgs>* stream) |
| GRPC_OVERRIDE { |
| InstanceGuard g(this); |
| if (!g.Acquired()) { |
| return Status(RESOURCE_EXHAUSTED); |
| } |
| |
| ClientArgs args; |
| if (!stream->Read(&args)) { |
| return Status(INVALID_ARGUMENT); |
| } |
| if (!args.has_setup()) { |
| return Status(INVALID_ARGUMENT); |
| } |
| auto client = CreateClient(args.setup()); |
| if (!client) { |
| return Status(INVALID_ARGUMENT); |
| } |
| ClientStatus status; |
| if (!stream->Write(status)) { |
| return Status(UNKNOWN); |
| } |
| while (stream->Read(&args)) { |
| if (!args.has_mark()) { |
| return Status(INVALID_ARGUMENT); |
| } |
| *status.mutable_stats() = client->Mark(); |
| stream->Write(status); |
| } |
| |
| return Status::OK; |
| } |
| |
| Status RunServer(ServerContext* ctx, |
| ServerReaderWriter<ServerStatus, ServerArgs>* stream) |
| GRPC_OVERRIDE { |
| InstanceGuard g(this); |
| if (!g.Acquired()) { |
| return Status(RESOURCE_EXHAUSTED); |
| } |
| |
| ServerArgs args; |
| if (!stream->Read(&args)) { |
| return Status(INVALID_ARGUMENT); |
| } |
| if (!args.has_setup()) { |
| return Status(INVALID_ARGUMENT); |
| } |
| auto server = CreateServer(args.setup()); |
| if (!server) { |
| return Status(INVALID_ARGUMENT); |
| } |
| ServerStatus status; |
| status.set_port(FLAGS_server_port); |
| if (!stream->Write(status)) { |
| return Status(UNKNOWN); |
| } |
| while (stream->Read(&args)) { |
| if (!args.has_mark()) { |
| return Status(INVALID_ARGUMENT); |
| } |
| *status.mutable_stats() = server->Mark(); |
| stream->Write(status); |
| } |
| |
| return Status::OK; |
| } |
| |
| private: |
| // Protect against multiple clients using this worker at once. |
| class InstanceGuard { |
| public: |
| InstanceGuard(WorkerImpl* impl) |
| : impl_(impl), acquired_(impl->TryAcquireInstance()) {} |
| ~InstanceGuard() { |
| if (acquired_) { |
| impl_->ReleaseInstance(); |
| } |
| } |
| |
| bool Acquired() const { return acquired_; } |
| |
| private: |
| WorkerImpl* const impl_; |
| const bool acquired_; |
| }; |
| |
| bool TryAcquireInstance() { |
| std::lock_guard<std::mutex> g(mu_); |
| if (acquired_) return false; |
| acquired_ = true; |
| return true; |
| } |
| |
| void ReleaseInstance() { |
| std::lock_guard<std::mutex> g(mu_); |
| GPR_ASSERT(acquired_); |
| acquired_ = false; |
| } |
| |
| std::mutex mu_; |
| bool acquired_; |
| }; |
| |
| static void RunServer() { |
| char* server_address = NULL; |
| gpr_join_host_port(&server_address, "::", FLAGS_driver_port); |
| |
| WorkerImpl service; |
| |
| ServerBuilder builder; |
| builder.AddListeningPort(server_address, InsecureServerCredentials()); |
| builder.RegisterService(&service); |
| |
| gpr_free(server_address); |
| |
| auto server = builder.BuildAndStart(); |
| |
| while (!got_sigint) { |
| std::this_thread::sleep_for(std::chrono::seconds(5)); |
| } |
| } |
| |
| } // namespace testing |
| } // namespace grpc |
| |
| int main(int argc, char** argv) { |
| grpc_init(); |
| ParseCommandLineFlags(&argc, &argv, true); |
| |
| grpc::testing::RunServer(); |
| |
| grpc_shutdown(); |
| return 0; |
| } |