| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 _THRIFT_ASYNC_TASYNCCHANNEL_H_ |
| #define _THRIFT_ASYNC_TASYNCCHANNEL_H_ 1 |
| |
| #include <functional> |
| #include <memory> |
| #include <thrift/Thrift.h> |
| |
| namespace apache { |
| namespace thrift { |
| namespace transport { |
| class TMemoryBuffer; |
| } |
| } |
| } |
| |
| namespace apache { |
| namespace thrift { |
| namespace async { |
| using apache::thrift::transport::TMemoryBuffer; |
| |
| class TAsyncChannel { |
| public: |
| typedef std::function<void()> VoidCallback; |
| |
| virtual ~TAsyncChannel() = default; |
| |
| // is the channel in a good state? |
| virtual bool good() const = 0; |
| virtual bool error() const = 0; |
| virtual bool timedOut() const = 0; |
| |
| /** |
| * Send a message over the channel. |
| */ |
| virtual void sendMessage(const VoidCallback& cob, |
| apache::thrift::transport::TMemoryBuffer* message) = 0; |
| |
| /** |
| * Receive a message from the channel. |
| */ |
| virtual void recvMessage(const VoidCallback& cob, |
| apache::thrift::transport::TMemoryBuffer* message) = 0; |
| |
| /** |
| * Send a message over the channel and receive a response. |
| */ |
| virtual void sendAndRecvMessage(const VoidCallback& cob, |
| apache::thrift::transport::TMemoryBuffer* sendBuf, |
| apache::thrift::transport::TMemoryBuffer* recvBuf); |
| }; |
| } |
| } |
| } // apache::thrift::async |
| |
| #endif // #ifndef _THRIFT_ASYNC_TASYNCCHANNEL_H_ |