/* * Copyright 2002-2009, Haiku Inc. All Rights Reserved. * Distributed under the terms of the MIT License. */ #ifndef _SYS_SOCKET_H #define _SYS_SOCKET_H #include #include #include #include typedef uint32_t socklen_t; /* Address families */ #define AF_UNSPEC 0 #define AF_INET 1 #define AF_APPLETALK 2 #define AF_ROUTE 3 #define AF_LINK 4 #define AF_INET6 5 #define AF_DLI 6 #define AF_IPX 7 #define AF_NOTIFY 8 #define AF_LOCAL 9 #define AF_UNIX AF_LOCAL #define AF_BLUETOOTH 10 #define AF_MAX 11 /* Protocol families, deprecated */ #define PF_UNSPEC AF_UNSPEC #define PF_INET AF_INET #define PF_ROUTE AF_ROUTE #define PF_LINK AF_LINK #define PF_INET6 AF_INET6 #define PF_LOCAL AF_LOCAL #define PF_UNIX AF_UNIX #define PF_BLUETOOTH AF_BLUETOOTH /* Socket types */ #define SOCK_STREAM 1 #define SOCK_DGRAM 2 #define SOCK_RAW 3 #define SOCK_SEQPACKET 5 #define SOCK_MISC 255 /* Socket options for SOL_SOCKET level */ #define SOL_SOCKET -1 #define SO_ACCEPTCONN 0x00000001 /* socket has had listen() */ #define SO_BROADCAST 0x00000002 /* permit sending of broadcast msgs */ #define SO_DEBUG 0x00000004 /* turn on debugging info recording */ #define SO_DONTROUTE 0x00000008 /* just use interface addresses */ #define SO_KEEPALIVE 0x00000010 /* keep connections alive */ #define SO_OOBINLINE 0x00000020 /* leave received OOB data in line */ #define SO_REUSEADDR 0x00000040 /* allow local address reuse */ #define SO_REUSEPORT 0x00000080 /* allow local address & port reuse */ #define SO_USELOOPBACK 0x00000100 /* bypass hardware when possible */ #define SO_LINGER 0x00000200 /* linger on close if data present */ #define SO_SNDBUF 0x40000001 /* send buffer size */ #define SO_SNDLOWAT 0x40000002 /* send low-water mark */ #define SO_SNDTIMEO 0x40000003 /* send timeout */ #define SO_RCVBUF 0x40000004 /* receive buffer size */ #define SO_RCVLOWAT 0x40000005 /* receive low-water mark */ #define SO_RCVTIMEO 0x40000006 /* receive timeout */ #define SO_ERROR 0x40000007 /* get error status and clear */ #define SO_TYPE 0x40000008 /* get socket type */ #define SO_NONBLOCK 0x40000009 #define SO_BINDTODEVICE 0x4000000a /* binds the socket to a specific device index */ #define SO_PEERCRED 0x4000000b /* get peer credentials, param: ucred */ /* Shutdown options */ #define SHUT_RD 0 #define SHUT_WR 1 #define SHUT_RDWR 2 #define SOMAXCONN 32 /* Max listen queue for a socket */ struct linger { int l_onoff; int l_linger; }; struct sockaddr { uint8_t sa_len; uint8_t sa_family; uint8_t sa_data[30]; }; struct sockaddr_storage { uint8_t ss_len; /* total length */ uint8_t ss_family; /* address family */ uint8_t __ss_pad1[6]; /* align to quad */ uint64_t __ss_pad2; /* force alignment to 64 bit */ uint8_t __ss_pad3[112]; /* pad to a total of 128 bytes */ }; struct msghdr { void *msg_name; /* address we're using (optional) */ socklen_t msg_namelen; /* length of address */ struct iovec *msg_iov; /* scatter/gather array we'll use */ int msg_iovlen; /* # elements in msg_iov */ void *msg_control; /* extra data */ socklen_t msg_controllen; /* length of extra data */ int msg_flags; /* flags */ }; /* Flags for the msghdr.msg_flags field */ #define MSG_OOB 0x0001 /* process out-of-band data */ #define MSG_PEEK 0x0002 /* peek at incoming message */ #define MSG_DONTROUTE 0x0004 /* send without using routing tables */ #define MSG_EOR 0x0008 /* data completes record */ #define MSG_TRUNC 0x0010 /* data discarded before delivery */ #define MSG_CTRUNC 0x0020 /* control data lost before delivery */ #define MSG_WAITALL 0x0040 /* wait for full request or error */ #define MSG_DONTWAIT 0x0080 /* this message should be nonblocking */ #define MSG_BCAST 0x0100 /* this message rec'd as broadcast */ #define MSG_MCAST 0x0200 /* this message rec'd as multicast */ #define MSG_EOF 0x0400 /* data completes connection */ struct cmsghdr { socklen_t cmsg_len; int cmsg_level; int cmsg_type; /* data follows */ }; /* cmsghdr access macros */ #define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) \ + _ALIGN(sizeof(struct cmsghdr))) #define CMSG_NXTHDR(mhdr, cmsg) \ (((char *)(cmsg) + _ALIGN((cmsg)->cmsg_len) \ + _ALIGN(sizeof(struct cmsghdr)) \ > (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) \ ? (struct cmsghdr *)NULL \ : (struct cmsghdr *)((char *)(cmsg) + _ALIGN((cmsg)->cmsg_len))) #define CMSG_FIRSTHDR(mhdr) \ ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) \ ? (struct cmsghdr *)(mhdr)->msg_control \ : (struct cmsghdr *)NULL) #define CMSG_SPACE(len) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(len)) #define CMSG_LEN(len) (_ALIGN(sizeof(struct cmsghdr)) + (len)) #define CMSG_ALIGN(len) _ALIGN(len) /* SOL_SOCKET control message types */ #define SCM_RIGHTS 0x01 /* parameter to SO_PEERCRED */ struct ucred { pid_t pid; /* PID of sender */ uid_t uid; /* UID of sender */ gid_t gid; /* GID of sender */ }; #if __cplusplus extern "C" { #endif int accept(int socket, struct sockaddr *address, socklen_t *_addressLength); int bind(int socket, const struct sockaddr *address, socklen_t addressLength); int connect(int socket, const struct sockaddr *address, socklen_t addressLength); int getpeername(int socket, struct sockaddr *address, socklen_t *_addressLength); int getsockname(int socket, struct sockaddr *address, socklen_t *_addressLength); int getsockopt(int socket, int level, int option, void *value, socklen_t *_length); int listen(int socket, int backlog); ssize_t recv(int socket, void *buffer, size_t length, int flags); ssize_t recvfrom(int socket, void *buffer, size_t bufferLength, int flags, struct sockaddr *address, socklen_t *_addressLength); ssize_t recvmsg(int socket, struct msghdr *message, int flags); ssize_t send(int socket, const void *buffer, size_t length, int flags); ssize_t sendmsg(int socket, const struct msghdr *message, int flags); ssize_t sendto(int socket, const void *message, size_t length, int flags, const struct sockaddr *address, socklen_t addressLength); int setsockopt(int socket, int level, int option, const void *value, socklen_t length); int shutdown(int socket, int how); int socket(int domain, int type, int protocol); int sockatmark(int socket); int socketpair(int domain, int type, int protocol, int socketVector[2]); #if __cplusplus } #endif #endif /* _SYS_SOCKET_H */