1 /* 2 * Copyright (c) 2021-2022 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 MMI_CLIENT_H 16 #define MMI_CLIENT_H 17 #include "nocopyable.h" 18 19 #include "if_mmi_client.h" 20 21 #include "circle_stream_buffer.h" 22 #include "client_msg_handler.h" 23 24 namespace OHOS { 25 namespace MMI { 26 class MMIClient final : public UDSClient, public IfMMIClient, public std::enable_shared_from_this<IfMMIClient> { 27 public: 28 MMIClient() = default; 29 DISALLOW_COPY_AND_MOVE(MMIClient); 30 ~MMIClient() override; 31 32 int32_t Socket() override; 33 void SetEventHandler(EventHandlerPtr eventHandler) override; 34 void MarkIsEventHandlerChanged(EventHandlerPtr eventHandler) override; 35 bool Start() override; 36 void RegisterConnectedFunction(ConnectCallback fun) override; 37 void RegisterDisconnectedFunction(ConnectCallback fun) override; 38 void Stop() override; 39 bool SendMessage(const NetPacket& pkt) const override; 40 bool GetCurrentConnectedStatus() const override; 41 void OnRecvMsg(const char *buf, size_t size) override; 42 int32_t Reconnect() override; 43 void OnDisconnect() override; 44 MMIClientPtr GetSharedPtr() override; IsEventHandlerChanged()45 bool IsEventHandlerChanged() override 46 { 47 return isEventHandlerChanged_; 48 } 49 50 private: 51 bool StartEventRunner(); 52 void OnReconnect(); 53 bool AddFdListener(int32_t fd); 54 bool DelFdListener(int32_t fd); 55 void OnPacket(NetPacket& pkt); 56 const std::string& GetErrorStr(ErrCode code) const; 57 void OnConnected() override; 58 void OnDisconnected() override; 59 60 private: 61 ClientMsgHandler msgHandler_; 62 ConnectCallback funConnected_; 63 ConnectCallback funDisconnected_; 64 CircleStreamBuffer circBuf_; 65 std::mutex mtx_; 66 EventHandlerPtr eventHandler_ { nullptr }; 67 bool isEventHandlerChanged_ { false }; 68 bool isListening_ { false }; 69 }; 70 } // namespace MMI 71 } // namespace OHOS 72 #endif // MMI_CLIENT_H 73