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Diffstat (limited to 'test/cpp/interop/interop_server.cc')
| -rw-r--r-- | test/cpp/interop/interop_server.cc | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/test/cpp/interop/interop_server.cc b/test/cpp/interop/interop_server.cc new file mode 100644 index 0000000000..ebef0002a3 --- /dev/null +++ b/test/cpp/interop/interop_server.cc @@ -0,0 +1,344 @@ +/* + * + * Copyright 2015-2016, 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 <signal.h> +#include <unistd.h> + +#include <fstream> +#include <memory> +#include <sstream> +#include <thread> + +#include <gflags/gflags.h> +#include <grpc++/security/server_credentials.h> +#include <grpc++/server.h> +#include <grpc++/server_builder.h> +#include <grpc++/server_context.h> +#include <grpc/grpc.h> +#include <grpc/support/log.h> +#include <grpc/support/useful.h> + +#include "src/core/lib/transport/byte_stream.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/interop/server_helper.h" +#include "test/cpp/util/test_config.h" + +DEFINE_bool(use_tls, false, "Whether to use tls."); +DEFINE_int32(port, 0, "Server port."); + +using grpc::Server; +using grpc::ServerBuilder; +using grpc::ServerContext; +using grpc::ServerCredentials; +using grpc::ServerReader; +using grpc::ServerReaderWriter; +using grpc::ServerWriter; +using grpc::WriteOptions; +using grpc::SslServerCredentialsOptions; +using grpc::testing::InteropServerContextInspector; +using grpc::testing::Payload; +using grpc::testing::SimpleRequest; +using grpc::testing::SimpleResponse; +using grpc::testing::StreamingInputCallRequest; +using grpc::testing::StreamingInputCallResponse; +using grpc::testing::StreamingOutputCallRequest; +using grpc::testing::StreamingOutputCallResponse; +using grpc::testing::TestService; +using grpc::Status; + +static bool got_sigint = false; + +const char kEchoInitialMetadataKey[] = "x-grpc-test-echo-initial"; +const char kEchoTrailingBinMetadataKey[] = "x-grpc-test-echo-trailing-bin"; +const char kEchoUserAgentKey[] = "x-grpc-test-echo-useragent"; + +void MaybeEchoMetadata(ServerContext* context) { + const auto& client_metadata = context->client_metadata(); + GPR_ASSERT(client_metadata.count(kEchoInitialMetadataKey) <= 1); + GPR_ASSERT(client_metadata.count(kEchoTrailingBinMetadataKey) <= 1); + + auto iter = client_metadata.find(kEchoInitialMetadataKey); + if (iter != client_metadata.end()) { + context->AddInitialMetadata(kEchoInitialMetadataKey, iter->second.data()); + } + iter = client_metadata.find(kEchoTrailingBinMetadataKey); + if (iter != client_metadata.end()) { + context->AddTrailingMetadata( + kEchoTrailingBinMetadataKey, + grpc::string(iter->second.begin(), iter->second.end())); + } + // Check if client sent a magic key in the header that makes us echo + // back the user-agent (for testing purpose) + iter = client_metadata.find(kEchoUserAgentKey); + if (iter != client_metadata.end()) { + iter = client_metadata.find("user-agent"); + if (iter != client_metadata.end()) { + context->AddInitialMetadata(kEchoUserAgentKey, iter->second.data()); + } + } +} + +bool SetPayload(int size, Payload* payload) { + std::unique_ptr<char[]> body(new char[size]()); + payload->set_body(body.get(), size); + return true; +} + +bool CheckExpectedCompression(const ServerContext& context, + const bool compression_expected) { + const InteropServerContextInspector inspector(context); + const grpc_compression_algorithm received_compression = + inspector.GetCallCompressionAlgorithm(); + + if (compression_expected) { + if (received_compression == GRPC_COMPRESS_NONE) { + // Expected some compression, got NONE. This is an error. + gpr_log(GPR_ERROR, + "Expected compression but got uncompressed request from client."); + return false; + } + if (!(inspector.GetMessageFlags() & GRPC_WRITE_INTERNAL_COMPRESS)) { + gpr_log(GPR_ERROR, + "Failure: Requested compression in a compressable request, but " + "compression bit in message flags not set."); + return false; + } + } else { + // Didn't expect compression -> make sure the request is uncompressed + if (inspector.GetMessageFlags() & GRPC_WRITE_INTERNAL_COMPRESS) { + gpr_log(GPR_ERROR, + "Failure: Didn't requested compression, but compression bit in " + "message flags set."); + return false; + } + } + return true; +} + +class TestServiceImpl : public TestService::Service { + public: + Status EmptyCall(ServerContext* context, const grpc::testing::Empty* request, + grpc::testing::Empty* response) { + MaybeEchoMetadata(context); + return Status::OK; + } + + Status UnaryCall(ServerContext* context, const SimpleRequest* request, + SimpleResponse* response) { + MaybeEchoMetadata(context); + if (request->has_response_compressed()) { + const bool compression_requested = request->response_compressed().value(); + gpr_log(GPR_DEBUG, "Request for compression (%s) present for %s", + compression_requested ? "enabled" : "disabled", __func__); + if (compression_requested) { + // Any level would do, let's go for HIGH because we are overachievers. + context->set_compression_level(GRPC_COMPRESS_LEVEL_HIGH); + } else { + context->set_compression_level(GRPC_COMPRESS_LEVEL_NONE); + } + } + if (!CheckExpectedCompression(*context, + request->expect_compressed().value())) { + return Status(grpc::StatusCode::INVALID_ARGUMENT, + "Compressed request expectation not met."); + } + if (request->response_size() > 0) { + if (!SetPayload(request->response_size(), response->mutable_payload())) { + return Status(grpc::StatusCode::INVALID_ARGUMENT, + "Error creating payload."); + } + } + + if (request->has_response_status()) { + return Status( + static_cast<grpc::StatusCode>(request->response_status().code()), + request->response_status().message()); + } + + return Status::OK; + } + + Status StreamingOutputCall( + ServerContext* context, const StreamingOutputCallRequest* request, + ServerWriter<StreamingOutputCallResponse>* writer) { + StreamingOutputCallResponse response; + bool write_success = true; + for (int i = 0; write_success && i < request->response_parameters_size(); + i++) { + if (!SetPayload(request->response_parameters(i).size(), + response.mutable_payload())) { + return Status(grpc::StatusCode::INVALID_ARGUMENT, + "Error creating payload."); + } + WriteOptions wopts; + if (request->response_parameters(i).has_compressed()) { + // Compress by default. Disabled on a per-message basis. + context->set_compression_level(GRPC_COMPRESS_LEVEL_HIGH); + const bool compression_requested = + request->response_parameters(i).compressed().value(); + gpr_log(GPR_DEBUG, "Request for compression (%s) present for %s", + compression_requested ? "enabled" : "disabled", __func__); + if (!compression_requested) { + wopts.set_no_compression(); + } // else, compression is already enabled via the context. + } + int time_us; + if ((time_us = request->response_parameters(i).interval_us()) > 0) { + // Sleep before response if needed + gpr_timespec sleep_time = + gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), + gpr_time_from_micros(time_us, GPR_TIMESPAN)); + gpr_sleep_until(sleep_time); + } + write_success = writer->Write(response, wopts); + } + if (write_success) { + return Status::OK; + } else { + return Status(grpc::StatusCode::INTERNAL, "Error writing response."); + } + } + + Status StreamingInputCall(ServerContext* context, + ServerReader<StreamingInputCallRequest>* reader, + StreamingInputCallResponse* response) { + StreamingInputCallRequest request; + int aggregated_payload_size = 0; + while (reader->Read(&request)) { + if (!CheckExpectedCompression(*context, + request.expect_compressed().value())) { + return Status(grpc::StatusCode::INVALID_ARGUMENT, + "Compressed request expectation not met."); + } + if (request.has_payload()) { + aggregated_payload_size += request.payload().body().size(); + } + } + response->set_aggregated_payload_size(aggregated_payload_size); + return Status::OK; + } + + Status FullDuplexCall( + ServerContext* context, + ServerReaderWriter<StreamingOutputCallResponse, + StreamingOutputCallRequest>* stream) { + MaybeEchoMetadata(context); + StreamingOutputCallRequest request; + StreamingOutputCallResponse response; + bool write_success = true; + while (write_success && stream->Read(&request)) { + if (request.response_parameters_size() != 0) { + response.mutable_payload()->set_type(request.payload().type()); + response.mutable_payload()->set_body( + grpc::string(request.response_parameters(0).size(), '\0')); + int time_us; + if ((time_us = request.response_parameters(0).interval_us()) > 0) { + // Sleep before response if needed + gpr_timespec sleep_time = + gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), + gpr_time_from_micros(time_us, GPR_TIMESPAN)); + gpr_sleep_until(sleep_time); + } + write_success = stream->Write(response); + } + } + if (write_success) { + return Status::OK; + } else { + return Status(grpc::StatusCode::INTERNAL, "Error writing response."); + } + } + + Status HalfDuplexCall( + ServerContext* context, + ServerReaderWriter<StreamingOutputCallResponse, + StreamingOutputCallRequest>* stream) { + std::vector<StreamingOutputCallRequest> requests; + StreamingOutputCallRequest request; + while (stream->Read(&request)) { + requests.push_back(request); + } + + StreamingOutputCallResponse response; + bool write_success = true; + for (unsigned int i = 0; write_success && i < requests.size(); i++) { + response.mutable_payload()->set_type(requests[i].payload().type()); + if (requests[i].response_parameters_size() == 0) { + return Status(grpc::StatusCode::INTERNAL, + "Request does not have response parameters."); + } + response.mutable_payload()->set_body( + grpc::string(requests[i].response_parameters(0).size(), '\0')); + write_success = stream->Write(response); + } + if (write_success) { + return Status::OK; + } else { + return Status(grpc::StatusCode::INTERNAL, "Error writing response."); + } + } +}; + +void RunServer() { + std::ostringstream server_address; + server_address << "0.0.0.0:" << FLAGS_port; + TestServiceImpl service; + + SimpleRequest request; + SimpleResponse response; + + ServerBuilder builder; + builder.RegisterService(&service); + std::shared_ptr<ServerCredentials> creds = + grpc::testing::CreateInteropServerCredentials(); + builder.AddListeningPort(server_address.str(), creds); + std::unique_ptr<Server> server(builder.BuildAndStart()); + gpr_log(GPR_INFO, "Server listening on %s", server_address.str().c_str()); + while (!got_sigint) { + sleep(5); + } +} + +static void sigint_handler(int x) { got_sigint = true; } + +int main(int argc, char** argv) { + grpc::testing::InitTest(&argc, &argv, true); + signal(SIGINT, sigint_handler); + + GPR_ASSERT(FLAGS_port != 0); + RunServer(); + + return 0; +} |