1 /****************************************************************************** 2 * 3 * Copyright (C) 2022 Google, Inc. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 #pragma once 20 21 #include <sys/select.h> 22 #include <sys/socket.h> 23 24 namespace bluetooth { 25 namespace hal { 26 27 class SyscallWrapperInterface { 28 public: 29 virtual ~SyscallWrapperInterface() = default; 30 31 /* Wrapper for <sys/socket.h> socket() API */ 32 virtual int Socket(int domain, int type, int protocol) = 0; 33 34 /* Wrapper for <sys/socket.h> bind() API */ 35 virtual int Bind(int fd, const struct sockaddr* addr, socklen_t len) = 0; 36 37 /* Wrapper for <sys/socket.h> connect() API */ 38 virtual int Connect(int fd, const struct sockaddr* addr, socklen_t len) = 0; 39 40 /* Wrapper for <sys/socket.h> send() API */ 41 virtual ssize_t Send(int fd, const void* buf, size_t n, int flags) = 0; 42 43 /* Wrapper for <sys/socket.h> recv() API */ 44 virtual ssize_t Recv(int fd, void* buf, size_t n, int flags) = 0; 45 46 /* Wrapper for <sys/socket.h> setsockopt() API */ 47 virtual int Setsockopt(int fd, int level, int optname, const void* optval, socklen_t optlen) = 0; 48 49 /* Wrapper for <sys/socket.h> listen() API */ 50 virtual int Listen(int fd, int n) = 0; 51 52 /* Wrapper for <sys/socket.h> accept() API */ 53 virtual int Accept(int fd, struct sockaddr* addr, socklen_t* addr_len, int flags) = 0; 54 55 /* Wrapper for <unistd.h> pipe2() API */ 56 virtual int Pipe2(int* pipefd, int flags) = 0; 57 58 /* Wrapper for <errno.h> errno API */ 59 virtual int GetErrno() const = 0; 60 61 /* Wrapper for <unistd.h> write() API */ 62 virtual ssize_t Write(int, const void*, size_t) = 0; 63 64 /* Wrapper for <unistd.h> close() API */ 65 virtual int Close(int fd) = 0; 66 67 /* Wrapper for <sys/select.h> FD_SET() API */ 68 virtual void FDSet(int fd, fd_set* set) = 0; 69 70 /* Wrapper for <sys/select.h> FD_CLR() API */ 71 virtual void FDClr(int fd, fd_set* set) = 0; 72 73 /* Wrapper for <sys/select.h> FD_ISSET() API */ 74 virtual bool FDIsSet(int fd, fd_set* set) = 0; 75 76 /* Wrapper for <sys/select.h> FD_ZERO() API */ 77 virtual void FDZero(fd_set* set) = 0; 78 79 /* Wrapper for <sys/select.h> select() API */ 80 virtual int Select( 81 int __nfds, fd_set* __readfds, fd_set* __writefds, fd_set* __exceptfds, struct timeval* __timeout) = 0; 82 }; 83 84 } // namespace hal 85 } // namespace bluetooth 86