| /** |
| * |
| * 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 NIFI_MINIFI_CPP_SERVERAWAREHANDLER_H |
| #define NIFI_MINIFI_CPP_SERVERAWAREHANDLER_H |
| |
| class ServerAwareHandler: public CivetHandler{ |
| protected: |
| void sleep_for(std::chrono::milliseconds time) { |
| std::unique_lock<std::mutex> lock(mutex_); |
| stop_signal_.wait_for(lock, time, [&] {return terminate_.load();}); |
| } |
| |
| bool isServerRunning() const { |
| return !terminate_.load(); |
| } |
| |
| public: |
| void stop(){ |
| terminate_ = true; |
| stop_signal_.notify_all(); |
| } |
| |
| private: |
| std::mutex mutex_; |
| std::condition_variable stop_signal_; |
| std::atomic_bool terminate_{false}; |
| }; |
| |
| #endif //NIFI_MINIFI_CPP_SERVERAWAREHANDLER_H |