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 UDS_SOCKET_H 16 #define UDS_SOCKET_H 17 18 #include <atomic> 19 #include <string> 20 21 #include <fcntl.h> 22 #include <sys/epoll.h> 23 #include <sys/socket.h> 24 #include <sys/types.h> 25 #include <sys/un.h> 26 #include <unistd.h> 27 28 #include "nocopyable.h" 29 30 #include "circle_stream_buffer.h" 31 #include "define_multimodal.h" 32 #include "net_packet.h" 33 34 namespace OHOS { 35 namespace MMI { 36 class UDSSocket { 37 public: 38 UDSSocket(); 39 DISALLOW_COPY_AND_MOVE(UDSSocket); 40 virtual ~UDSSocket(); 41 using PacketCallBackFun = std::function<void(NetPacket&)>; 42 43 int32_t EpollCreat(int32_t size); 44 int32_t EpollCtl(int32_t fd, int32_t op, struct epoll_event &event, int32_t epollFd = -1); 45 int32_t EpollWait(struct epoll_event &events, int32_t maxevents, int32_t timeout, int32_t epollFd = -1); 46 int32_t SetNonBlockMode(int32_t fd, bool isNonBlock = true); 47 void OnReadPackets(CircleStreamBuffer &buf, PacketCallBackFun callbackFun); 48 void EpollClose(); 49 void Close(); 50 GetFd()51 int32_t GetFd() const 52 { 53 return fd_; 54 } GetEpollFd()55 int32_t GetEpollFd() const 56 { 57 return epollFd_; 58 } 59 60 protected: 61 int32_t fd_ { -1 }; 62 int32_t epollFd_ { -1 }; 63 }; 64 } // namespace MMI 65 } // namespace OHOS 66 #endif // UDS_SOCKET_H