| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #ifndef GRPC_TEST_CPP_UTIL_CLI_CALL_H |
| #define GRPC_TEST_CPP_UTIL_CLI_CALL_H |
| |
| #include <map> |
| |
| #include <grpcpp/channel.h> |
| #include <grpcpp/completion_queue.h> |
| #include <grpcpp/generic/generic_stub.h> |
| #include <grpcpp/support/status.h> |
| #include <grpcpp/support/string_ref.h> |
| |
| namespace grpc { |
| |
| class ClientContext; |
| |
| namespace testing { |
| |
| // CliCall handles the sending and receiving of generic messages given the name |
| // of the remote method. This class is only used by GrpcTool. Its thread-safe |
| // and thread-unsafe methods should not be used together. |
| class CliCall final { |
| public: |
| typedef std::multimap<grpc::string, grpc::string> OutgoingMetadataContainer; |
| typedef std::multimap<grpc::string_ref, grpc::string_ref> |
| IncomingMetadataContainer; |
| |
| CliCall(std::shared_ptr<grpc::Channel> channel, const grpc::string& method, |
| const OutgoingMetadataContainer& metadata); |
| ~CliCall(); |
| |
| // Perform an unary generic RPC. |
| static Status Call(std::shared_ptr<grpc::Channel> channel, |
| const grpc::string& method, const grpc::string& request, |
| grpc::string* response, |
| const OutgoingMetadataContainer& metadata, |
| IncomingMetadataContainer* server_initial_metadata, |
| IncomingMetadataContainer* server_trailing_metadata); |
| |
| // Send a generic request message in a synchronous manner. NOT thread-safe. |
| void Write(const grpc::string& request); |
| |
| // Send a generic request message in a synchronous manner. NOT thread-safe. |
| void WritesDone(); |
| |
| // Receive a generic response message in a synchronous manner.NOT thread-safe. |
| bool Read(grpc::string* response, |
| IncomingMetadataContainer* server_initial_metadata); |
| |
| // Thread-safe write. Must be used with ReadAndMaybeNotifyWrite. Send out a |
| // generic request message and wait for ReadAndMaybeNotifyWrite to finish it. |
| void WriteAndWait(const grpc::string& request); |
| |
| // Thread-safe WritesDone. Must be used with ReadAndMaybeNotifyWrite. Send out |
| // WritesDone for gereneric request messages and wait for |
| // ReadAndMaybeNotifyWrite to finish it. |
| void WritesDoneAndWait(); |
| |
| // Thread-safe Read. Blockingly receive a generic response message. Notify |
| // writes if they are finished when this read is waiting for a resposne. |
| bool ReadAndMaybeNotifyWrite( |
| grpc::string* response, |
| IncomingMetadataContainer* server_initial_metadata); |
| |
| // Finish the RPC. |
| Status Finish(IncomingMetadataContainer* server_trailing_metadata); |
| |
| private: |
| std::unique_ptr<grpc::GenericStub> stub_; |
| grpc::ClientContext ctx_; |
| std::unique_ptr<grpc::GenericClientAsyncReaderWriter> call_; |
| grpc::CompletionQueue cq_; |
| gpr_mu write_mu_; |
| gpr_cv write_cv_; // Protected by write_mu_; |
| bool write_done_; // Portected by write_mu_; |
| }; |
| |
| } // namespace testing |
| } // namespace grpc |
| |
| #endif // GRPC_TEST_CPP_UTIL_CLI_CALL_H |