/* * Copyright (c) 1982,1985,1986,1988 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)socket.h 7.13 (Berkeley) 4/20/91 */ #ifndef _SOCKET_H_ #define _SOCKET_H_ /* * Definitions related to sockets: types, address families, options. */ /* * Types */ #define SOCK_STREAM 1 /* stream socket */ #define SOCK_DGRAM 2 /* datagram socket */ #define SOCK_RAW 4 /* raw-protocol interface */ #define SOCK_RDM 5 /* reliably-delivered message */ #define SOCK_SEQPACKET 6 /* sequenced packet stream */ /* * Option flags per-socket. */ #define SO_DEBUG 0x0001 /* turn on debugging info recording */ #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ #define SO_REUSEADDR 0x0004 /* allow local address reuse */ #define SO_KEEPALIVE 0x0008 /* keep connections alive */ #define SO_DONTROUTE 0x0010 /* just use interface addresses */ #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ #define SO_LINGER 0x0080 /* linger on close if data present */ #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ /* * Additional options, not kept in so_options. */ #define SO_SNDBUF 0x1001 /* send buffer size */ #define SO_RCVBUF 0x1002 /* receive buffer size */ #define SO_SNDLOWAT 0x1003 /* send low-water mark */ #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ #define SO_SNDTIMEO 0x1005 /* send timeout */ #define SO_RCVTIMEO 0x1006 /* receive timeout */ #define SO_ERROR 0x1007 /* get error status and clear */ #define SO_TYPE 0x1008 /* get socket type */ #define SO_PROTOTYPE 0x1009 /* get/set protocol type */ /* * Structure used for manipulating linger option. */ struct linger { int l_onoff; /* option on/off */ int l_linger; /* linger time */ }; /* * Level number for (get/set)sockopt() to apply to socket itself. */ #define SOL_SOCKET 0xffff /* options for socket level */ /* * Address families. */ #define AF_UNSPEC 0 /* unspecified */ #define AF_UNIX 1 /* local to host (pipes, portals) */ #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ #define AF_IMPLINK 3 /* arpanet imp addresses */ #define AF_PUP 4 /* pup protocols: e.g. BSP */ #define AF_CHAOS 5 /* mit CHAOS protocols */ #define AF_NS 6 /* XEROX NS protocols */ #define AF_NBS 7 /* nbs protocols */ #define AF_ECMA 8 /* european computer manufacturers */ #define AF_DATAKIT 9 /* datakit protocols */ #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ #define AF_SNA 11 /* IBM SNA */ #define AF_DECnet 12 /* DECnet */ #define AF_DLI 13 /* DEC Direct data link interface */ #define AF_LAT 14 /* LAT */ #define AF_HYLINK 15 /* NSC Hyperchannel */ #define AF_APPLETALK 16 /* Apple Talk */ #define AF_NIT 17 /* Network Interface Tap */ #define AF_802 18 /* IEEE 802.2, also ISO 8802 */ #define AF_ISO 19 /* ISO protocols */ #define AF_OSI AF_ISO #define AF_X25 20 /* CCITT X.25 in particular */ #define AF_OSINET 21 #define AF_GOSIP 22 #define AF_MAX 22 /* Not supported by solaris */ /* #define AF_ROUTE 17 /* Internal Routing Protocol */ /* #define AF_LINK 18 /* Link layer interface */ /* #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */ /* * Structure used by kernel to store most * addresses. */ struct sockaddr { u_short sa_family; /* address family */ char sa_data[14]; /* actually longer; address value */ }; /* * Structure used by kernel to pass protocol * information in raw sockets. */ struct sockproto { u_short sp_family; /* address family */ u_short sp_protocol; /* protocol */ }; /* * Protocol families, same as address families for now. */ #define PF_UNSPEC AF_UNSPEC #define PF_UNIX AF_UNIX #define PF_INET AF_INET #define PF_IMPLINK AF_IMPLINK #define PF_PUP AF_PUP #define PF_CHAOS AF_CHAOS #define PF_NS AF_NS #define PF_NBS AF_NBS #define PF_ECMA AF_ECMA #define PF_DATAKIT AF_DATAKIT #define PF_CCITT AF_CCITT #define PF_SNA AF_SNA #define PF_DECnet AF_DECnet #define PF_DLI AF_DLI #define PF_LAT AF_LAT #define PF_HYLINK AF_HYLINK #define PF_APPLETALK AF_APPLETALK #define PF_NIT AF_NIT #define PF_802 AF_802 #define PF_ISO AF_ISO #define PF_OSI AF_ISO #define PF_X25 AF_X25 #define PF_OSINET AF_OSINET #define PF_GOSIP AF_GOSIP #define PF_MAX AF_MAX /* #define PF_ROUTE AF_ROUTE */ /* #define PF_LINK AF_LINK */ /* #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */ /* * Maximum queue length specifiable by listen. */ #define SOMAXCONN 5 /* * Message header for recvmsg and sendmsg calls. * Used value-result for recvmsg, value only for sendmsg. */ struct msghdr { caddr_t msg_name; /* optional address */ u_int msg_namelen; /* size of address */ struct iovec *msg_iov; /* scatter/gather array */ u_int msg_iovlen; /* # elements in msg_iov */ caddr_t msg_accrights; /* access rights sent/received */ int msg_accrightslen; }; #define MSG_MAXIOVLEN 16 #define MSG_OOB 0x1 /* process out-of-band data */ #define MSG_PEEK 0x2 /* peek at incoming message */ #define MSG_DONTROUTE 0x4 /* send without using routing tables */ /* #define MSG_EOR 0x8 data completes record */ /* #define MSG_TRUNC 0x10 data discarded before delivery */ /* #define MSG_CTRUNC 0x20 control data lost before delivery */ /* #define MSG_WAITALL 0x40 wait for full request or error */ /* * Header for ancillary data objects in msg_control buffer. * Used for additional information with/about a datagram * not expressible by flags. The format is a sequence * of message elements headed by cmsghdr structures. */ struct cmsghdr { u_int cmsg_len; /* data byte count, including hdr */ int cmsg_level; /* originating protocol */ int cmsg_type; /* protocol-specific type */ /* followed by u_char cmsg_data[]; */ }; /* given pointer to struct adatahdr, return pointer to data */ #define CMSG_DATA(cmsg) ((u_char *)((cmsg) + 1)) /* given pointer to struct adatahdr, return pointer to next adatahdr */ #define CMSG_NXTHDR(mhdr, cmsg) \ (((caddr_t)(cmsg) + (cmsg)->cmsg_len + sizeof(struct cmsghdr) > \ (mhdr)->msg_control + (mhdr)->msg_controllen) ? \ (struct cmsghdr *)NULL : \ (struct cmsghdr *)((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len))) #define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control) /* "Socket"-level control message types: */ #define SCM_RIGHTS 0x01 /* access rights (array of int) */ /* * 4.3 compat sockaddr, move to compat file later */ struct osockaddr { u_short sa_family; /* address family */ char sa_data[14]; /* up to 14 bytes of direct address */ }; #define SYS_socketcall 83 #define SO_ACCEPT 1 #define SO_BIND 2 #define SO_CONNECT 3 #define SO_GETPEERNAME 4 #define SO_GETSOCKNAME 5 #define SO_GETSOCKOPT 6 #define SO_LISTEN 7 #define SO_RECV 8 #define SO_RECVFROM 9 #define SO_SEND 10 #define SO_SENDTO 11 #define SO_SETSOCKOPT 12 #define SO_SHUTDOWN 13 #define SO_SOCKET 14 #define SO_SOCKPOLL 15 #define SO_GETIPDOMAIN 16 #define SO_SETIPDOMAIN 17 #define SO_ADJTIME 18 #include __BEGIN_DECLS int accept __P((int, struct sockaddr *, int *)); int bind __P((int, const struct sockaddr *, int)); int connect __P((int, const struct sockaddr *, int)); int getpeername __P((int, struct sockaddr *, int *)); int getsockname __P((int, struct sockaddr *, int *)); int getsockopt __P((int, int, int, void *, int *)); int listen __P((int, int)); /* original definitions int recv __P((int, void *, int, int)); int recvfrom __P((int, void *, int, int, struct sockaddr *, int *)); int recvmsg __P((int, struct msghdr *, int)); int send __P((int, const void *, int, int)); int sendto __P((int, const void *, int, int, const struct sockaddr *, int)); int sendmsg __P((int, const struct msghdr *, int)); */ ssize_t recv __P((int, void *, size_t, int)); ssize_t recvfrom __P((int, void *, size_t, int, struct sockaddr *, int *)); ssize_t recvmsg __P((int, struct msghdr *, int)); ssize_t send __P((int, const void *, size_t, int)); ssize_t sendto __P((int, const void *, size_t, int, const struct sockaddr *, int)); ssize_t sendmsg __P((int, const struct msghdr *, int)); int setsockopt __P((int, int, int, const void *, int)); int shutdown __P((int, int)); int socket __P((int, int, int)); int socketpair __P((int, int, int, int *)); __END_DECLS #endif /* !_SOCKET_H_ */