1 /* 2 * Copyright (C) 2017 THL A29 Limited, a Tencent company. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 23 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27 #ifndef _FSTACK_API_H 28 #define _FSTACK_API_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 #include <sys/socket.h> 34 #include <sys/select.h> 35 #include <sys/poll.h> 36 #include <netinet/in.h> 37 38 #include "ff_event.h" 39 #include "ff_errno.h" 40 41 struct linux_sockaddr { 42 short sa_family; 43 char sa_data[14]; 44 }; 45 46 typedef int (*loop_func_t)(void *arg); 47 48 int ff_init(const char *conf, int argc, char * const argv[]); 49 50 void ff_run(loop_func_t loop, void *arg); 51 52 int ff_fcntl(int fd, int cmd, ...); 53 54 int ff_sysctl(const int *name, u_int namelen, void *oldp, size_t *oldlenp, 55 const void *newp, size_t newlen); 56 57 int ff_ioctl(int fd, unsigned long request, ...); 58 59 int ff_socket(int domain, int type, int protocol); 60 61 int ff_setsockopt(int s, int level, int optname, const void *optval, 62 socklen_t optlen); 63 64 int ff_getsockopt(int s, int level, int optname, void *optval, 65 socklen_t *optlen); 66 67 int ff_socketpair(int domain, int type, int protocol, int *sv); 68 69 int ff_listen(int s, int backlog); 70 int ff_bind(int s, const struct linux_sockaddr *addr, socklen_t addrlen); 71 int ff_accept(int s, struct linux_sockaddr *addr, socklen_t *addrlen); 72 int ff_connect(int s, const struct linux_sockaddr *name, socklen_t namelen); 73 int ff_close(int fd); 74 int ff_shutdown(int s, int how); 75 76 int ff_getpeername(int s, struct linux_sockaddr *name, 77 socklen_t *namelen); 78 int ff_getsockname(int s, struct linux_sockaddr *name, 79 socklen_t *namelen); 80 81 ssize_t ff_read(int d, void *buf, size_t nbytes); 82 ssize_t ff_readv(int fd, const struct iovec *iov, int iovcnt); 83 84 ssize_t ff_write(int fd, const void *buf, size_t nbytes); 85 ssize_t ff_writev(int fd, const struct iovec *iov, int iovcnt); 86 87 ssize_t ff_send(int s, const void *buf, size_t len, int flags); 88 ssize_t ff_sendto(int s, const void *buf, size_t len, int flags, 89 const struct linux_sockaddr *to, socklen_t tolen); 90 ssize_t ff_sendmsg(int s, const struct msghdr *msg, int flags); 91 92 ssize_t ff_recv(int s, void *buf, size_t len, int flags); 93 ssize_t ff_recvfrom(int s, void *buf, size_t len, int flags, 94 struct linux_sockaddr *from, socklen_t *fromlen); 95 ssize_t ff_recvmsg(int s, struct msghdr *msg, int flags); 96 97 int ff_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, 98 struct timeval *timeout); 99 100 int ff_poll(struct pollfd fds[], nfds_t nfds, int timeout); 101 102 int ff_kqueue(void); 103 int ff_kevent(int kq, const struct kevent *changelist, int nchanges, 104 struct kevent *eventlist, int nevents, const struct timespec *timeout); 105 106 /* route api begin */ 107 enum FF_ROUTE_CTL { 108 FF_ROUTE_ADD, 109 FF_ROUTE_DEL, 110 FF_ROUTE_CHANGE, 111 }; 112 113 enum FF_ROUTE_FLAG { 114 FF_RTF_HOST, 115 FF_RTF_GATEWAY, 116 }; 117 118 /* 119 * On success, 0 is returned. 120 * On error, -1 is returned, and errno is set appropriately. 121 */ 122 int ff_route_ctl(enum FF_ROUTE_CTL req, enum FF_ROUTE_FLAG flag, 123 struct linux_sockaddr *dst, struct linux_sockaddr *gw, 124 struct linux_sockaddr *netmask); 125 126 /* 127 * This is used in handling ff_msg. 128 * The data is a pointer to struct rt_msghdr. 129 */ 130 int ff_rtioctl(int fib, void *data, unsigned *plen, unsigned maxlen); 131 132 /* route api end */ 133 134 #ifdef __cplusplus 135 } 136 #endif 137 #endif 138 139