mirror of https://github.com/grpc/grpc.git
- Fixing for comments in all except for test file - Multi-purpose test_service_impl.h as oppose to creating new files.reviewable/pr22280/r11
Donna Dionne
5 years ago
parent
0a7b9dac06
commit
1ae804c8c0
9 changed files with 421 additions and 910 deletions
@ -1,495 +0,0 @@ |
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/*
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* |
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* Copyright 2016 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#ifndef GRPC_TEST_CPP_END2END_TEST_MULTIPLE_SERVICE_IMPL_H |
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#define GRPC_TEST_CPP_END2END_TEST_MULTIPLE_SERVICE_IMPL_H |
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#include <condition_variable> |
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#include <memory> |
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#include <mutex> |
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#include <grpc/grpc.h> |
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#include <grpc/support/log.h> |
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#include <grpcpp/alarm.h> |
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#include <grpcpp/security/credentials.h> |
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#include <grpcpp/server_context.h> |
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#include <gtest/gtest.h> |
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#include <string> |
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#include <thread> |
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#include "src/proto/grpc/testing/echo.grpc.pb.h" |
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#include "test/cpp/util/string_ref_helper.h" |
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using std::chrono::system_clock; |
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namespace grpc { |
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namespace testing { |
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const int kServerDefaultResponseStreamsToSend = 3; |
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const char* const kServerResponseStreamsToSend = "server_responses_to_send"; |
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const char* const kServerTryCancelRequest = "server_try_cancel"; |
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const char* const kDebugInfoTrailerKey = "debug-info-bin"; |
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const char* const kServerFinishAfterNReads = "server_finish_after_n_reads"; |
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const char* const kServerUseCoalescingApi = "server_use_coalescing_api"; |
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const char* const kCheckClientInitialMetadataKey = "custom_client_metadata"; |
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const char* const kCheckClientInitialMetadataVal = "Value for client metadata"; |
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typedef enum { |
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DO_NOT_CANCEL = 0, |
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CANCEL_BEFORE_PROCESSING, |
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CANCEL_DURING_PROCESSING, |
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CANCEL_AFTER_PROCESSING |
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} ServerTryCancelRequestPhase; |
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namespace { |
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// When echo_deadline is requested, deadline seen in the ServerContext is set in
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// the response in seconds.
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void MaybeEchoDeadline(experimental::ServerContextBase* context, |
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const EchoRequest* request, EchoResponse* response) { |
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if (request->has_param() && request->param().echo_deadline()) { |
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gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_REALTIME); |
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if (context->deadline() != system_clock::time_point::max()) { |
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Timepoint2Timespec(context->deadline(), &deadline); |
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} |
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response->mutable_param()->set_request_deadline(deadline.tv_sec); |
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} |
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} |
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void CheckServerAuthContext( |
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const experimental::ServerContextBase* context, |
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const grpc::string& expected_transport_security_type, |
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const grpc::string& expected_client_identity) { |
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std::shared_ptr<const AuthContext> auth_ctx = context->auth_context(); |
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std::vector<grpc::string_ref> tst = |
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auth_ctx->FindPropertyValues("transport_security_type"); |
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EXPECT_EQ(1u, tst.size()); |
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EXPECT_EQ(expected_transport_security_type, ToString(tst[0])); |
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if (expected_client_identity.empty()) { |
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EXPECT_TRUE(auth_ctx->GetPeerIdentityPropertyName().empty()); |
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EXPECT_TRUE(auth_ctx->GetPeerIdentity().empty()); |
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EXPECT_FALSE(auth_ctx->IsPeerAuthenticated()); |
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} else { |
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auto identity = auth_ctx->GetPeerIdentity(); |
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EXPECT_TRUE(auth_ctx->IsPeerAuthenticated()); |
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EXPECT_EQ(1u, identity.size()); |
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EXPECT_EQ(expected_client_identity, identity[0]); |
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} |
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} |
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// Returns the number of pairs in metadata that exactly match the given
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// key-value pair. Returns -1 if the pair wasn't found.
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int MetadataMatchCount( |
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const std::multimap<grpc::string_ref, grpc::string_ref>& metadata, |
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const grpc::string& key, const grpc::string& value) { |
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int count = 0; |
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for (const auto& metadatum : metadata) { |
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if (ToString(metadatum.first) == key && |
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ToString(metadatum.second) == value) { |
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count++; |
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} |
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} |
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return count; |
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} |
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} // namespace
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namespace { |
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int GetIntValueFromMetadataHelper( |
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const char* key, |
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const std::multimap<grpc::string_ref, grpc::string_ref>& metadata, |
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int default_value) { |
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if (metadata.find(key) != metadata.end()) { |
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std::istringstream iss(ToString(metadata.find(key)->second)); |
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iss >> default_value; |
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gpr_log(GPR_INFO, "%s : %d", key, default_value); |
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} |
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return default_value; |
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} |
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int GetIntValueFromMetadata( |
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const char* key, |
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const std::multimap<grpc::string_ref, grpc::string_ref>& metadata, |
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int default_value) { |
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return GetIntValueFromMetadataHelper(key, metadata, default_value); |
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} |
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void ServerTryCancel(ServerContext* context) { |
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EXPECT_FALSE(context->IsCancelled()); |
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context->TryCancel(); |
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gpr_log(GPR_INFO, "Server called TryCancel() to cancel the request"); |
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// Now wait until it's really canceled
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while (!context->IsCancelled()) { |
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gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), |
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gpr_time_from_micros(1000, GPR_TIMESPAN))); |
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} |
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} |
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} // namespace
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class TestMultipleServiceSignaller { |
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public: |
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void ClientWaitUntilRpcStarted() { |
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std::unique_lock<std::mutex> lock(mu_); |
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cv_rpc_started_.wait(lock, [this] { return rpc_started_; }); |
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} |
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void ServerWaitToContinue() { |
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std::unique_lock<std::mutex> lock(mu_); |
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cv_server_continue_.wait(lock, [this] { return server_should_continue_; }); |
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} |
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void SignalClientThatRpcStarted() { |
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std::unique_lock<std::mutex> lock(mu_); |
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rpc_started_ = true; |
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cv_rpc_started_.notify_one(); |
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} |
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void SignalServerToContinue() { |
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std::unique_lock<std::mutex> lock(mu_); |
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server_should_continue_ = true; |
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cv_server_continue_.notify_one(); |
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} |
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private: |
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std::mutex mu_; |
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std::condition_variable cv_rpc_started_; |
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bool rpc_started_ /* GUARDED_BY(mu_) */ = false; |
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std::condition_variable cv_server_continue_; |
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bool server_should_continue_ /* GUARDED_BY(mu_) */ = false; |
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}; |
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template <typename RpcService> |
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class TestMultipleServiceImpl : public RpcService { |
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public: |
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TestMultipleServiceImpl() : signal_client_(false), host_() {} |
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explicit TestMultipleServiceImpl(const grpc::string& host) |
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: signal_client_(false), host_(new grpc::string(host)) {} |
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Status Echo(ServerContext* context, const EchoRequest* request, |
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EchoResponse* response) { |
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if (request->has_param() && |
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request->param().server_notify_client_when_started()) { |
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signaller_.SignalClientThatRpcStarted(); |
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signaller_.ServerWaitToContinue(); |
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} |
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// A bit of sleep to make sure that short deadline tests fail
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if (request->has_param() && request->param().server_sleep_us() > 0) { |
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gpr_sleep_until( |
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gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), |
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gpr_time_from_micros(request->param().server_sleep_us(), |
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GPR_TIMESPAN))); |
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} |
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if (request->has_param() && request->param().server_die()) { |
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gpr_log(GPR_ERROR, "The request should not reach application handler."); |
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GPR_ASSERT(0); |
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} |
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if (request->has_param() && request->param().has_expected_error()) { |
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const auto& error = request->param().expected_error(); |
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return Status(static_cast<StatusCode>(error.code()), |
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error.error_message(), error.binary_error_details()); |
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} |
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int server_try_cancel = GetIntValueFromMetadata( |
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kServerTryCancelRequest, context->client_metadata(), DO_NOT_CANCEL); |
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if (server_try_cancel > DO_NOT_CANCEL) { |
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// Since this is a unary RPC, by the time this server handler is called,
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// the 'request' message is already read from the client. So the scenarios
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// in server_try_cancel don't make much sense. Just cancel the RPC as long
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// as server_try_cancel is not DO_NOT_CANCEL
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ServerTryCancel(context); |
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return Status::CANCELLED; |
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} |
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response->set_message(request->message()); |
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MaybeEchoDeadline(context, request, response); |
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if (host_) { |
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response->mutable_param()->set_host(*host_); |
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} |
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if (request->has_param() && request->param().client_cancel_after_us()) { |
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{ |
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std::unique_lock<std::mutex> lock(mu_); |
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signal_client_ = true; |
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} |
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while (!context->IsCancelled()) { |
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gpr_sleep_until(gpr_time_add( |
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gpr_now(GPR_CLOCK_REALTIME), |
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gpr_time_from_micros(request->param().client_cancel_after_us(), |
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GPR_TIMESPAN))); |
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} |
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return Status::CANCELLED; |
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} else if (request->has_param() && |
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request->param().server_cancel_after_us()) { |
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gpr_sleep_until(gpr_time_add( |
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gpr_now(GPR_CLOCK_REALTIME), |
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gpr_time_from_micros(request->param().server_cancel_after_us(), |
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GPR_TIMESPAN))); |
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return Status::CANCELLED; |
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} else if (!request->has_param() || |
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!request->param().skip_cancelled_check()) { |
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EXPECT_FALSE(context->IsCancelled()); |
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} |
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if (request->has_param() && request->param().echo_metadata_initially()) { |
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const std::multimap<grpc::string_ref, grpc::string_ref>& client_metadata = |
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context->client_metadata(); |
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for (const auto& metadatum : client_metadata) { |
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context->AddInitialMetadata(ToString(metadatum.first), |
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ToString(metadatum.second)); |
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} |
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} |
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if (request->has_param() && request->param().echo_metadata()) { |
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const std::multimap<grpc::string_ref, grpc::string_ref>& client_metadata = |
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context->client_metadata(); |
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for (const auto& metadatum : client_metadata) { |
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context->AddTrailingMetadata(ToString(metadatum.first), |
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ToString(metadatum.second)); |
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} |
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// Terminate rpc with error and debug info in trailer.
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if (request->param().debug_info().stack_entries_size() || |
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!request->param().debug_info().detail().empty()) { |
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grpc::string serialized_debug_info = |
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request->param().debug_info().SerializeAsString(); |
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context->AddTrailingMetadata(kDebugInfoTrailerKey, |
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serialized_debug_info); |
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return Status::CANCELLED; |
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} |
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} |
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if (request->has_param() && |
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(request->param().expected_client_identity().length() > 0 || |
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request->param().check_auth_context())) { |
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CheckServerAuthContext( |
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context, request->param().expected_transport_security_type(), |
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request->param().expected_client_identity()); |
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} |
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if (request->has_param() && |
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request->param().response_message_length() > 0) { |
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response->set_message( |
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grpc::string(request->param().response_message_length(), '\0')); |
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} |
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if (request->has_param() && request->param().echo_peer()) { |
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response->mutable_param()->set_peer(context->peer()); |
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} |
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return Status::OK; |
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} |
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Status Echo1(ServerContext* context, const EchoRequest* request, |
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EchoResponse* response) { |
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return Echo(context, request, response); |
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} |
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Status Echo2(ServerContext* context, const EchoRequest* request, |
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EchoResponse* response) { |
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return Echo(context, request, response); |
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} |
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Status CheckClientInitialMetadata(ServerContext* context, |
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const SimpleRequest* /*request*/, |
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SimpleResponse* /*response*/) { |
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EXPECT_EQ(MetadataMatchCount(context->client_metadata(), |
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kCheckClientInitialMetadataKey, |
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kCheckClientInitialMetadataVal), |
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1); |
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EXPECT_EQ(1u, |
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context->client_metadata().count(kCheckClientInitialMetadataKey)); |
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return Status::OK; |
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} |
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// Unimplemented is left unimplemented to test the returned error.
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Status RequestStream(ServerContext* context, |
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ServerReader<EchoRequest>* reader, |
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EchoResponse* response) { |
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// If 'server_try_cancel' is set in the metadata, the RPC is cancelled by
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// the server by calling ServerContext::TryCancel() depending on the value:
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// CANCEL_BEFORE_PROCESSING: The RPC is cancelled before the server reads
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// any message from the client
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// CANCEL_DURING_PROCESSING: The RPC is cancelled while the server is
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// reading messages from the client
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// CANCEL_AFTER_PROCESSING: The RPC is cancelled after the server reads
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// all the messages from the client
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int server_try_cancel = GetIntValueFromMetadata( |
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kServerTryCancelRequest, context->client_metadata(), DO_NOT_CANCEL); |
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EchoRequest request; |
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response->set_message(""); |
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if (server_try_cancel == CANCEL_BEFORE_PROCESSING) { |
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ServerTryCancel(context); |
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return Status::CANCELLED; |
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} |
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std::thread* server_try_cancel_thd = nullptr; |
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if (server_try_cancel == CANCEL_DURING_PROCESSING) { |
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server_try_cancel_thd = |
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new std::thread([context] { ServerTryCancel(context); }); |
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} |
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int num_msgs_read = 0; |
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while (reader->Read(&request)) { |
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response->mutable_message()->append(request.message()); |
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} |
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gpr_log(GPR_INFO, "Read: %d messages", num_msgs_read); |
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if (server_try_cancel_thd != nullptr) { |
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server_try_cancel_thd->join(); |
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delete server_try_cancel_thd; |
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return Status::CANCELLED; |
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} |
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if (server_try_cancel == CANCEL_AFTER_PROCESSING) { |
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ServerTryCancel(context); |
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return Status::CANCELLED; |
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} |
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return Status::OK; |
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} |
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// Return 'kNumResponseStreamMsgs' messages.
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// TODO(yangg) make it generic by adding a parameter into EchoRequest
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Status ResponseStream(ServerContext* context, const EchoRequest* request, |
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ServerWriter<EchoResponse>* writer) { |
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// If server_try_cancel is set in the metadata, the RPC is cancelled by the
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// server by calling ServerContext::TryCancel() depending on the value:
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// CANCEL_BEFORE_PROCESSING: The RPC is cancelled before the server writes
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// any messages to the client
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// CANCEL_DURING_PROCESSING: The RPC is cancelled while the server is
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// writing messages to the client
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// CANCEL_AFTER_PROCESSING: The RPC is cancelled after the server writes
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// all the messages to the client
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int server_try_cancel = GetIntValueFromMetadata( |
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kServerTryCancelRequest, context->client_metadata(), DO_NOT_CANCEL); |
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int server_coalescing_api = GetIntValueFromMetadata( |
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kServerUseCoalescingApi, context->client_metadata(), 0); |
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int server_responses_to_send = GetIntValueFromMetadata( |
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kServerResponseStreamsToSend, context->client_metadata(), |
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kServerDefaultResponseStreamsToSend); |
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if (server_try_cancel == CANCEL_BEFORE_PROCESSING) { |
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ServerTryCancel(context); |
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return Status::CANCELLED; |
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} |
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EchoResponse response; |
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std::thread* server_try_cancel_thd = nullptr; |
|
||||||
if (server_try_cancel == CANCEL_DURING_PROCESSING) { |
|
||||||
server_try_cancel_thd = |
|
||||||
new std::thread([context] { ServerTryCancel(context); }); |
|
||||||
} |
|
||||||
|
|
||||||
for (int i = 0; i < server_responses_to_send; i++) { |
|
||||||
response.set_message(request->message() + grpc::to_string(i)); |
|
||||||
if (i == server_responses_to_send - 1 && server_coalescing_api != 0) { |
|
||||||
writer->WriteLast(response, WriteOptions()); |
|
||||||
} else { |
|
||||||
writer->Write(response); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
if (server_try_cancel_thd != nullptr) { |
|
||||||
server_try_cancel_thd->join(); |
|
||||||
delete server_try_cancel_thd; |
|
||||||
return Status::CANCELLED; |
|
||||||
} |
|
||||||
|
|
||||||
if (server_try_cancel == CANCEL_AFTER_PROCESSING) { |
|
||||||
ServerTryCancel(context); |
|
||||||
return Status::CANCELLED; |
|
||||||
} |
|
||||||
|
|
||||||
return Status::OK; |
|
||||||
} |
|
||||||
|
|
||||||
Status BidiStream(ServerContext* context, |
|
||||||
ServerReaderWriter<EchoResponse, EchoRequest>* stream) { |
|
||||||
// If server_try_cancel is set in the metadata, the RPC is cancelled by the
|
|
||||||
// server by calling ServerContext::TryCancel() depending on the value:
|
|
||||||
// CANCEL_BEFORE_PROCESSING: The RPC is cancelled before the server reads/
|
|
||||||
// writes any messages from/to the client
|
|
||||||
// CANCEL_DURING_PROCESSING: The RPC is cancelled while the server is
|
|
||||||
// reading/writing messages from/to the client
|
|
||||||
// CANCEL_AFTER_PROCESSING: The RPC is cancelled after the server
|
|
||||||
// reads/writes all messages from/to the client
|
|
||||||
int server_try_cancel = GetIntValueFromMetadata( |
|
||||||
kServerTryCancelRequest, context->client_metadata(), DO_NOT_CANCEL); |
|
||||||
|
|
||||||
EchoRequest request; |
|
||||||
EchoResponse response; |
|
||||||
|
|
||||||
if (server_try_cancel == CANCEL_BEFORE_PROCESSING) { |
|
||||||
ServerTryCancel(context); |
|
||||||
return Status::CANCELLED; |
|
||||||
} |
|
||||||
|
|
||||||
std::thread* server_try_cancel_thd = nullptr; |
|
||||||
if (server_try_cancel == CANCEL_DURING_PROCESSING) { |
|
||||||
server_try_cancel_thd = |
|
||||||
new std::thread([context] { ServerTryCancel(context); }); |
|
||||||
} |
|
||||||
|
|
||||||
// kServerFinishAfterNReads suggests after how many reads, the server should
|
|
||||||
// write the last message and send status (coalesced using WriteLast)
|
|
||||||
int server_write_last = GetIntValueFromMetadata( |
|
||||||
kServerFinishAfterNReads, context->client_metadata(), 0); |
|
||||||
|
|
||||||
int read_counts = 0; |
|
||||||
while (stream->Read(&request)) { |
|
||||||
read_counts++; |
|
||||||
gpr_log(GPR_INFO, "recv msg %s", request.message().c_str()); |
|
||||||
response.set_message(request.message()); |
|
||||||
if (read_counts == server_write_last) { |
|
||||||
stream->WriteLast(response, WriteOptions()); |
|
||||||
} else { |
|
||||||
stream->Write(response); |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
if (server_try_cancel_thd != nullptr) { |
|
||||||
server_try_cancel_thd->join(); |
|
||||||
delete server_try_cancel_thd; |
|
||||||
return Status::CANCELLED; |
|
||||||
} |
|
||||||
|
|
||||||
if (server_try_cancel == CANCEL_AFTER_PROCESSING) { |
|
||||||
ServerTryCancel(context); |
|
||||||
return Status::CANCELLED; |
|
||||||
} |
|
||||||
|
|
||||||
return Status::OK; |
|
||||||
} |
|
||||||
|
|
||||||
// Unimplemented is left unimplemented to test the returned error.
|
|
||||||
bool signal_client() { |
|
||||||
std::unique_lock<std::mutex> lock(mu_); |
|
||||||
return signal_client_; |
|
||||||
} |
|
||||||
void ClientWaitUntilRpcStarted() { signaller_.ClientWaitUntilRpcStarted(); } |
|
||||||
void SignalServerToContinue() { signaller_.SignalServerToContinue(); } |
|
||||||
|
|
||||||
private: |
|
||||||
bool signal_client_; |
|
||||||
std::mutex mu_; |
|
||||||
TestMultipleServiceSignaller signaller_; |
|
||||||
std::unique_ptr<grpc::string> host_; |
|
||||||
}; |
|
||||||
|
|
||||||
} // namespace testing
|
|
||||||
} // namespace grpc
|
|
||||||
|
|
||||||
#endif // GRPC_TEST_CPP_END2END_TEST_MULTIPLE_SERVICE_IMPL_H
|
|
||||||
Loading…
Reference in new issue