diff options
Diffstat (limited to 'test/cpp/end2end/test_service_impl.cc')
| -rw-r--r-- | test/cpp/end2end/test_service_impl.cc | 356 |
1 files changed, 320 insertions, 36 deletions
diff --git a/test/cpp/end2end/test_service_impl.cc b/test/cpp/end2end/test_service_impl.cc index 605356724f..6729ad14f4 100644 --- a/test/cpp/end2end/test_service_impl.cc +++ b/test/cpp/end2end/test_service_impl.cc @@ -69,6 +69,62 @@ void CheckServerAuthContext( EXPECT_EQ(expected_client_identity, identity[0]); } } + +// Returns the number of pairs in metadata that exactly match the given +// key-value pair. Returns -1 if the pair wasn't found. +int MetadataMatchCount( + const std::multimap<grpc::string_ref, grpc::string_ref>& metadata, + const grpc::string& key, const grpc::string& value) { + int count = 0; + for (std::multimap<grpc::string_ref, grpc::string_ref>::const_iterator iter = + metadata.begin(); + iter != metadata.end(); ++iter) { + if (ToString(iter->first) == key && ToString(iter->second) == value) { + count++; + } + } + return count; +} +} // namespace + +namespace { +int GetIntValueFromMetadataHelper( + const char* key, + const std::multimap<grpc::string_ref, grpc::string_ref>& metadata, + int default_value) { + if (metadata.find(key) != metadata.end()) { + std::istringstream iss(ToString(metadata.find(key)->second)); + iss >> default_value; + gpr_log(GPR_INFO, "%s : %d", key, default_value); + } + + return default_value; +} + +int GetIntValueFromMetadata( + const char* key, + const std::multimap<grpc::string_ref, grpc::string_ref>& metadata, + int default_value) { + return GetIntValueFromMetadataHelper(key, metadata, default_value); +} + +void ServerTryCancel(ServerContext* context) { + EXPECT_FALSE(context->IsCancelled()); + context->TryCancel(); + gpr_log(GPR_INFO, "Server called TryCancel() to cancel the request"); + // Now wait until it's really canceled + while (!context->IsCancelled()) { + gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), + gpr_time_from_micros(1000, GPR_TIMESPAN))); + } +} + +void ServerTryCancelNonblocking(ServerContext* context) { + EXPECT_FALSE(context->IsCancelled()); + context->TryCancel(); + gpr_log(GPR_INFO, "Server called TryCancel() to cancel the request"); +} + } // namespace Status TestServiceImpl::Echo(ServerContext* context, const EchoRequest* request, @@ -165,6 +221,18 @@ Status TestServiceImpl::Echo(ServerContext* context, const EchoRequest* request, return Status::OK; } +Status TestServiceImpl::CheckClientInitialMetadata(ServerContext* context, + const SimpleRequest* request, + SimpleResponse* response) { + EXPECT_EQ(MetadataMatchCount(context->client_metadata(), + kCheckClientInitialMetadataKey, + kCheckClientInitialMetadataVal), + 1); + EXPECT_EQ(1u, + context->client_metadata().count(kCheckClientInitialMetadataKey)); + return Status::OK; +} + void CallbackTestServiceImpl::Echo( ServerContext* context, const EchoRequest* request, EchoResponse* response, experimental::ServerCallbackRpcController* controller) { @@ -183,6 +251,19 @@ void CallbackTestServiceImpl::Echo( } } +void CallbackTestServiceImpl::CheckClientInitialMetadata( + ServerContext* context, const SimpleRequest* request, + SimpleResponse* response, + experimental::ServerCallbackRpcController* controller) { + EXPECT_EQ(MetadataMatchCount(context->client_metadata(), + kCheckClientInitialMetadataKey, + kCheckClientInitialMetadataVal), + 1); + EXPECT_EQ(1u, + context->client_metadata().count(kCheckClientInitialMetadataKey)); + controller->Finish(Status::OK); +} + void CallbackTestServiceImpl::EchoNonDelayed( ServerContext* context, const EchoRequest* request, EchoResponse* response, experimental::ServerCallbackRpcController* controller) { @@ -195,6 +276,7 @@ void CallbackTestServiceImpl::EchoNonDelayed( controller->Finish(Status(static_cast<StatusCode>(error.code()), error.error_message(), error.binary_error_details())); + return; } int server_try_cancel = GetIntValueFromMetadata( kServerTryCancelRequest, context->client_metadata(), DO_NOT_CANCEL); @@ -223,6 +305,7 @@ void CallbackTestServiceImpl::EchoNonDelayed( return; } + gpr_log(GPR_DEBUG, "Request message was %s", request->message().c_str()); response->set_message(request->message()); MaybeEchoDeadline(context, request, response); if (host_) { @@ -253,7 +336,7 @@ void CallbackTestServiceImpl::EchoNonDelayed( alarm_.experimental().Set( gpr_time_add( gpr_now(GPR_CLOCK_REALTIME), - gpr_time_from_micros(request->param().client_cancel_after_us(), + gpr_time_from_micros(request->param().server_cancel_after_us(), GPR_TIMESPAN)), [controller](bool) { controller->Finish(Status::CANCELLED); }); return; @@ -278,6 +361,7 @@ void CallbackTestServiceImpl::EchoNonDelayed( request->param().debug_info().SerializeAsString(); context->AddTrailingMetadata(kDebugInfoTrailerKey, serialized_debug_info); controller->Finish(Status::CANCELLED); + return; } } if (request->has_param() && @@ -324,7 +408,7 @@ Status TestServiceImpl::RequestStream(ServerContext* context, std::thread* server_try_cancel_thd = nullptr; if (server_try_cancel == CANCEL_DURING_PROCESSING) { server_try_cancel_thd = - new std::thread(&TestServiceImpl::ServerTryCancel, this, context); + new std::thread([context] { ServerTryCancel(context); }); } int num_msgs_read = 0; @@ -379,7 +463,7 @@ Status TestServiceImpl::ResponseStream(ServerContext* context, std::thread* server_try_cancel_thd = nullptr; if (server_try_cancel == CANCEL_DURING_PROCESSING) { server_try_cancel_thd = - new std::thread(&TestServiceImpl::ServerTryCancel, this, context); + new std::thread([context] { ServerTryCancel(context); }); } for (int i = 0; i < server_responses_to_send; i++) { @@ -430,7 +514,7 @@ Status TestServiceImpl::BidiStream( std::thread* server_try_cancel_thd = nullptr; if (server_try_cancel == CANCEL_DURING_PROCESSING) { server_try_cancel_thd = - new std::thread(&TestServiceImpl::ServerTryCancel, this, context); + new std::thread([context] { ServerTryCancel(context); }); } // kServerFinishAfterNReads suggests after how many reads, the server should @@ -464,44 +548,244 @@ Status TestServiceImpl::BidiStream( return Status::OK; } -namespace { -int GetIntValueFromMetadataHelper( - const char* key, - const std::multimap<grpc::string_ref, grpc::string_ref>& metadata, - int default_value) { - if (metadata.find(key) != metadata.end()) { - std::istringstream iss(ToString(metadata.find(key)->second)); - iss >> default_value; - gpr_log(GPR_INFO, "%s : %d", key, default_value); - } +experimental::ServerReadReactor<EchoRequest, EchoResponse>* +CallbackTestServiceImpl::RequestStream() { + class Reactor : public ::grpc::experimental::ServerReadReactor<EchoRequest, + EchoResponse> { + public: + Reactor() {} + void OnStarted(ServerContext* context, EchoResponse* response) override { + ctx_ = context; + response_ = response; + // 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 any message from the client CANCEL_DURING_PROCESSING: The RPC + // is cancelled while the server is reading messages from the client + // CANCEL_AFTER_PROCESSING: The RPC is cancelled after the server reads + // all the messages from the client + server_try_cancel_ = GetIntValueFromMetadata( + kServerTryCancelRequest, context->client_metadata(), DO_NOT_CANCEL); + + response_->set_message(""); + + if (server_try_cancel_ == CANCEL_BEFORE_PROCESSING) { + ServerTryCancelNonblocking(ctx_); + return; + } - return default_value; -} -}; // namespace + if (server_try_cancel_ == CANCEL_DURING_PROCESSING) { + ctx_->TryCancel(); + // Don't wait for it here + } -int TestServiceImpl::GetIntValueFromMetadata( - const char* key, - const std::multimap<grpc::string_ref, grpc::string_ref>& metadata, - int default_value) { - return GetIntValueFromMetadataHelper(key, metadata, default_value); + StartRead(&request_); + } + void OnDone() override { delete this; } + void OnCancel() override { FinishOnce(Status::CANCELLED); } + void OnReadDone(bool ok) override { + if (ok) { + response_->mutable_message()->append(request_.message()); + num_msgs_read_++; + StartRead(&request_); + } else { + gpr_log(GPR_INFO, "Read: %d messages", num_msgs_read_); + + if (server_try_cancel_ == CANCEL_DURING_PROCESSING) { + // Let OnCancel recover this + return; + } + if (server_try_cancel_ == CANCEL_AFTER_PROCESSING) { + ServerTryCancelNonblocking(ctx_); + return; + } + FinishOnce(Status::OK); + } + } + + private: + void FinishOnce(const Status& s) { + std::lock_guard<std::mutex> l(finish_mu_); + if (!finished_) { + Finish(s); + finished_ = true; + } + } + + ServerContext* ctx_; + EchoResponse* response_; + EchoRequest request_; + int num_msgs_read_{0}; + int server_try_cancel_; + std::mutex finish_mu_; + bool finished_{false}; + }; + + return new Reactor; } -int CallbackTestServiceImpl::GetIntValueFromMetadata( - const char* key, - const std::multimap<grpc::string_ref, grpc::string_ref>& metadata, - int default_value) { - return GetIntValueFromMetadataHelper(key, metadata, default_value); +// Return 'kNumResponseStreamMsgs' messages. +// TODO(yangg) make it generic by adding a parameter into EchoRequest +experimental::ServerWriteReactor<EchoRequest, EchoResponse>* +CallbackTestServiceImpl::ResponseStream() { + class Reactor + : public ::grpc::experimental::ServerWriteReactor<EchoRequest, + EchoResponse> { + public: + Reactor() {} + void OnStarted(ServerContext* context, + const EchoRequest* request) override { + ctx_ = context; + request_ = request; + // 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 any message from the client CANCEL_DURING_PROCESSING: The RPC + // is cancelled while the server is reading messages from the client + // CANCEL_AFTER_PROCESSING: The RPC is cancelled after the server reads + // all the messages from the client + server_try_cancel_ = GetIntValueFromMetadata( + kServerTryCancelRequest, context->client_metadata(), DO_NOT_CANCEL); + server_coalescing_api_ = GetIntValueFromMetadata( + kServerUseCoalescingApi, context->client_metadata(), 0); + server_responses_to_send_ = GetIntValueFromMetadata( + kServerResponseStreamsToSend, context->client_metadata(), + kServerDefaultResponseStreamsToSend); + if (server_try_cancel_ == CANCEL_BEFORE_PROCESSING) { + ServerTryCancelNonblocking(ctx_); + return; + } + + if (server_try_cancel_ == CANCEL_DURING_PROCESSING) { + ctx_->TryCancel(); + } + if (num_msgs_sent_ < server_responses_to_send_) { + NextWrite(); + } + } + void OnDone() override { delete this; } + void OnCancel() override { FinishOnce(Status::CANCELLED); } + void OnWriteDone(bool ok) override { + if (num_msgs_sent_ < server_responses_to_send_) { + NextWrite(); + } else if (server_try_cancel_ == CANCEL_DURING_PROCESSING) { + // Let OnCancel recover this + } else if (server_try_cancel_ == CANCEL_AFTER_PROCESSING) { + ServerTryCancelNonblocking(ctx_); + } else { + FinishOnce(Status::OK); + } + } + + private: + void FinishOnce(const Status& s) { + std::lock_guard<std::mutex> l(finish_mu_); + if (!finished_) { + Finish(s); + finished_ = true; + } + } + + void NextWrite() { + response_.set_message(request_->message() + + grpc::to_string(num_msgs_sent_)); + if (num_msgs_sent_ == server_responses_to_send_ - 1 && + server_coalescing_api_ != 0) { + num_msgs_sent_++; + StartWriteLast(&response_, WriteOptions()); + } else { + num_msgs_sent_++; + StartWrite(&response_); + } + } + ServerContext* ctx_; + const EchoRequest* request_; + EchoResponse response_; + int num_msgs_sent_{0}; + int server_try_cancel_; + int server_coalescing_api_; + int server_responses_to_send_; + std::mutex finish_mu_; + bool finished_{false}; + }; + return new Reactor; } -void TestServiceImpl::ServerTryCancel(ServerContext* context) { - EXPECT_FALSE(context->IsCancelled()); - context->TryCancel(); - gpr_log(GPR_INFO, "Server called TryCancel() to cancel the request"); - // Now wait until it's really canceled - while (!context->IsCancelled()) { - gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), - gpr_time_from_micros(1000, GPR_TIMESPAN))); - } +experimental::ServerBidiReactor<EchoRequest, EchoResponse>* +CallbackTestServiceImpl::BidiStream() { + class Reactor : public ::grpc::experimental::ServerBidiReactor<EchoRequest, + EchoResponse> { + public: + Reactor() {} + void OnStarted(ServerContext* context) override { + ctx_ = context; + // 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 any message from the client CANCEL_DURING_PROCESSING: The RPC + // is cancelled while the server is reading messages from the client + // CANCEL_AFTER_PROCESSING: The RPC is cancelled after the server reads + // all the messages from the client + server_try_cancel_ = GetIntValueFromMetadata( + kServerTryCancelRequest, context->client_metadata(), DO_NOT_CANCEL); + server_write_last_ = GetIntValueFromMetadata( + kServerFinishAfterNReads, context->client_metadata(), 0); + if (server_try_cancel_ == CANCEL_BEFORE_PROCESSING) { + ServerTryCancelNonblocking(ctx_); + return; + } + + if (server_try_cancel_ == CANCEL_DURING_PROCESSING) { + ctx_->TryCancel(); + } + + StartRead(&request_); + } + void OnDone() override { delete this; } + void OnCancel() override { FinishOnce(Status::CANCELLED); } + void OnReadDone(bool ok) override { + if (ok) { + num_msgs_read_++; + gpr_log(GPR_INFO, "recv msg %s", request_.message().c_str()); + response_.set_message(request_.message()); + if (num_msgs_read_ == server_write_last_) { + StartWriteLast(&response_, WriteOptions()); + } else { + StartWrite(&response_); + } + } else if (server_try_cancel_ == CANCEL_DURING_PROCESSING) { + // Let OnCancel handle this + } else if (server_try_cancel_ == CANCEL_AFTER_PROCESSING) { + ServerTryCancelNonblocking(ctx_); + } else { + FinishOnce(Status::OK); + } + } + void OnWriteDone(bool ok) override { StartRead(&request_); } + + private: + void FinishOnce(const Status& s) { + std::lock_guard<std::mutex> l(finish_mu_); + if (!finished_) { + Finish(s); + finished_ = true; + } + } + + ServerContext* ctx_; + EchoRequest request_; + EchoResponse response_; + int num_msgs_read_{0}; + int server_try_cancel_; + int server_write_last_; + std::mutex finish_mu_; + bool finished_{false}; + }; + + return new Reactor; } } // namespace testing |