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 #ifndef FRAMEWORKS_SERVICES_MEDIA_MTP_INCLUDE_MTP_FILE_OBSERVER_H_ 16 #define FRAMEWORKS_SERVICES_MEDIA_MTP_INCLUDE_MTP_FILE_OBSERVER_H_ 17 #include "mtp_event.h" 18 #include <map> 19 #include <memory> 20 #include <mutex> 21 #include <sys/inotify.h> 22 #include <thread> 23 #include <vector> 24 #include "singleton.h" 25 namespace OHOS { 26 namespace Media { 27 using ContextSptr = std::shared_ptr<MtpOperationContext>; 28 class MtpFileObserver : public Singleton<MtpFileObserver> { 29 public: 30 void AddFileInotify(const std::string &path, const std::string &realPath, const ContextSptr &context); 31 bool StartFileInotify(); 32 bool StopFileInotify(); 33 34 private: 35 static bool AddInotifyEvents(const int &inotifyFd, const ContextSptr &context); 36 static bool WatchPathThread(const ContextSptr &context); 37 static void SendBattery(const ContextSptr &context); 38 static void SendEvent(const inotify_event &event, const std::string &path, const ContextSptr &context); 39 static bool isRunning_; 40 static std::map<int, std::string> watchMap_; 41 static int inotifyFd_; 42 static std::mutex eventLock_; 43 bool startThread_; 44 bool inotifySuccess_; 45 }; 46 } // namespace Media 47 } // namespace OHOS 48 #endif // FRAMEWORKS_SERVICES_MEDIA_MTP_INCLUDE_MTP_FILE_OBSERVER_H_ 49