f47c8cb529
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@326 42af7a65-404d-4744-a932-0658087f49c3
130 lines
5.3 KiB
C
130 lines
5.3 KiB
C
/****************************************************************************
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* socket.h
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __SYS_SOCKET_H
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#define __SYS_SOCKET_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <sys/types.h>
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* The socket()domain parameter specifies a communication domain; this selects
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* the protocol family which will be used for communication.
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*/
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/* Protocol families */
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#define PF_UNIX 0 /* Local communication */
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#define PF_LOCAL 1 /* Local communication */
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#define PF_INET 2 /* IPv4 Internet protocols */
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#define PF_INET6 3 /* IPv6 Internet protocols */
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#define PF_IPX 4 /* IPX - Novell protocols */
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#define PF_NETLINK 5 /* Kernel user interface device */
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#define PF_X25 6 /* ITU-T X.25 / ISO-8208 protocol */
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#define PF_AX25 7 /* Amateur radio AX.25 protocol */
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#define PF_ATMPVC 8 /* Access to raw ATM PVCs */
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#define PF_APPLETALK 9 /* Appletalk */
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#define PF_PACKET 10 /* Low level packet interface */
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/* Address families */
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#define AF_UNIX PF_UNIX
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#define AF_LOCAL PF_LOCAL
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#define AF_INET PF_INET
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#define AF_INET6 PF_INET6
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#define AF_IPX PF_IPX
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#define AF_NETLINK PF_NETLINK
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#define AF_X25 PF_X25
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#define AF_AX25 PF_AX25
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#define AF_ATMPVC PF_ATMPVC
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#define AF_APPLETALK PF_APPLETALK
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#define AF_PACKET PF_PACKET
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/*The socket created by socket() has the indicated type, which specifies
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* the communication semantics.
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*/
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#define SOCK_STREAM 0 /* Provides sequenced, reliable, two-way, connection-based byte streams.
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* An out-of-band data transmission mechanism may be supported. */
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#define SOCK_DGRAM 1 /* Supports datagrams (connectionless, unreliable messages of a fixed
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* maximum length). */
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#define SOCK_SEQPACKET 2 /* Provides a sequenced, reliable, two-way connection-based data
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* transmission path for datagrams of fixed maximum length; a consumer
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* is required to read an entire packet with each read system call. */
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#define SOCK_RAW 3 /* Provides raw network protocol access. */
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#define SOCK_RDM 4 /* Provides a reliable datagram layer that does not guarantee ordering. */
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#define SOCK_PACKET 5 /* Obsolete and should not be used in new programs */
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/****************************************************************************
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* Type Definitions
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****************************************************************************/
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struct sockaddr
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{
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sa_family_t sa_family;
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char sa_data[14];
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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EXTERN int socket(int domain, int type, int protocol);
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EXTERN int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
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EXTERN int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
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EXTERN ssize_t send(int s, const void *buf, size_t len, int flags);
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EXTERN ssize_t sendto(int s, const void *buf, size_t len, int flags,
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const struct sockaddr *to, socklen_t tolen);
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __SYS_SOCKET_H */
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