1 /* 2 * Copyright (c) 2024 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 OHOS_DM_TRANSPORT_H 17 #define OHOS_DM_TRANSPORT_H 18 19 #include <set> 20 21 #include "event_handler.h" 22 #include "socket.h" 23 24 namespace OHOS { 25 namespace DistributedHardware { 26 class DMCommTool; 27 class DMTransport { 28 public: 29 explicit DMTransport(std::shared_ptr<DMCommTool> dmCommToolPtr); 30 int32_t Init(); 31 int32_t UnInit(); 32 virtual ~DMTransport() = default; 33 // open softbus channel with remote device by networkid. 34 int32_t StartSocket(const std::string &rmtNetworkId, int32_t &socketId); 35 // stop softbus channel with remote device by networkid. 36 int32_t StopSocket(const std::string &rmtNetworkId); 37 int32_t Send(const std::string &rmtNetworkId, const std::string &payload, int32_t socketId); 38 int32_t OnSocketOpened(int32_t socketId, const PeerSocketInfo &info); 39 void OnSocketClosed(int32_t socketId, ShutdownReason reason); 40 void OnBytesReceived(int32_t socketId, const void *data, uint32_t dataLen); 41 42 private: 43 int32_t CreateServerSocket(); 44 int32_t CreateClientSocket(const std::string &remoteDevId); 45 bool IsDeviceSessionOpened(const std::string &remoteDevId, int32_t &socketId); 46 std::string GetRemoteNetworkIdBySocketId(int32_t socketId); 47 void ClearDeviceSocketOpened(const std::string &remoteDevId, int32_t socketId); 48 void HandleReceiveMessage(const int32_t socketId, const std::string &payload); 49 50 private: 51 std::mutex rmtSocketIdMtx_; 52 // record the socket id for the connection with remote devices, <remote networkId, socketId> 53 std::map<std::string, std::set<int32_t>> remoteDevSocketIds_; 54 std::set<int32_t> sourceSocketIds_; 55 std::atomic<int32_t> localServerSocket_; 56 std::string localSocketName_; 57 std::atomic<bool> isSocketSvrCreateFlag_; 58 std::weak_ptr<DMCommTool> dmCommToolWPtr_; 59 }; 60 } // DistributedHardware 61 } // OHOS 62 #endif