1 /* 2 * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development 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 OHOS_SHARING_EVENT_DESCRIPTOR_LISTENER_H 17 #define OHOS_SHARING_EVENT_DESCRIPTOR_LISTENER_H 18 19 #include "common/const_def.h" 20 #include "file_descriptor_listener.h" 21 22 namespace OHOS { 23 namespace Sharing { 24 constexpr uint32_t g_defaultEvents = AppExecFwk::FILE_DESCRIPTOR_EVENTS_MASK | 25 AppExecFwk::FILE_DESCRIPTOR_SHUTDOWN_EVENT | 26 AppExecFwk::FILE_DESCRIPTOR_EXCEPTION_EVENT; 27 class DataBuffer; 28 class EventDescriptorListener : public OHOS::AppExecFwk::FileDescriptorListener { 29 public: 30 EventDescriptorListener(); 31 explicit EventDescriptorListener(int32_t fd); 32 virtual ~EventDescriptorListener(); 33 34 virtual void OnClose(int32_t fd); 35 void OnReadable(int32_t fd) override; 36 void OnWritable(int32_t fd) override; 37 void OnShutdown(int32_t fd) override; 38 void OnException(int32_t fd) override; 39 40 void RemoveFdListener(int32_t fd, const std::shared_ptr<OHOS::AppExecFwk::EventHandler> &handler = nullptr); 41 bool AddFdListener(int32_t fd, const std::shared_ptr<FileDescriptorListener> &listener, 42 const std::shared_ptr<OHOS::AppExecFwk::EventHandler> &handler = nullptr, 43 const std::string &taskName = DUMMY_EMPTY, uint32_t events = g_defaultEvents); 44 45 virtual int32_t GetSocketFd(); 46 47 protected: 48 virtual void OnReadData(int32_t fd, std::shared_ptr<DataBuffer> &buf); 49 50 protected: 51 int32_t socketLocalFd_ = -1; 52 }; 53 } // namespace Sharing 54 } // namespace OHOS 55 #endif 56