1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef WRAPPER_LISTENER_H 17 #define WRAPPER_LISTENER_H 18 19 #include <thread> 20 21 namespace OHOS { 22 namespace nmd { 23 class WrapperListener { 24 public: 25 using RecvFunc = std::function<void(int32_t)>; 26 WrapperListener(int32_t socketFd, RecvFunc recvFunc); 27 WrapperListener() = delete; 28 ~WrapperListener(); 29 30 /** 31 * Start listen event message 32 * @return NETMANAGER_SUCCESS suceess or NETMANAGER_ERROR failed 33 */ 34 int32_t Start(); 35 36 /** 37 * Stop listen event message 38 * @return NETMANAGER_SUCCESS suceess or NETMANAGER_ERROR failed 39 */ 40 int32_t Stop(); 41 42 private: 43 static constexpr int32_t BACK_LOG = 4; 44 static constexpr int32_t PIPE_SHUTDOWN = 0; 45 static constexpr int32_t PIPE_WAKEUP = 1; 46 static constexpr uint32_t PIPE_SIZE = 2; 47 int32_t socket_; 48 std::thread thread_; 49 std::mutex clientsLock_; 50 int32_t pipe_[PIPE_SIZE] = {0}; 51 RecvFunc startReceiveFunc_; 52 53 void Listen(); 54 static void ListenThread(WrapperListener *listener); 55 }; 56 } // namespace nmd 57 } // namespace OHOS 58 59 #endif // WRAPPER_LISTENER_H 60