1 /* 2 * Copyright (c) 2021 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 #ifndef OHOS_STORAGE_DAEMON_NETLINK_LISTENER_H 16 #define OHOS_STORAGE_DAEMON_NETLINK_LISTENER_H 17 18 #include <poll.h> 19 20 #include "ipc/storage_daemon.h" 21 22 namespace OHOS { 23 namespace StorageDaemon { 24 class NetlinkListener { 25 public: 26 NetlinkListener(int32_t socket); 27 int32_t StartListener(); 28 int32_t StopListener(); 29 30 protected: 31 virtual void OnEvent(char *msg) = 0; 32 33 private: 34 int32_t socketFd_ { -1 }; 35 int32_t socketPipe_[2] { -1, -1 }; 36 std::unique_ptr<std::thread> socketThread_; 37 void RecvUeventMsg(); 38 int32_t ReadMsg(int32_t fd_count, struct pollfd ufds[2]); 39 void RunListener(); 40 static void EventProcess(void*); 41 }; 42 } // STORAGE_DAEMON 43 } // OHOS 44 45 #endif // OHOS_STORAGE_DAEMON_NETLINK_LISTENER_H 46