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/****************************************************************************
* socket.h
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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. Neither the name NuttX 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 COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*
****************************************************************************/
#ifndef __SYS_SOCKET_H
#define __SYS_SOCKET_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <sys/types.h>
/****************************************************************************
* Definitions
****************************************************************************/
/* The socket()domain parameter specifies a communication domain; this selects
* the protocol family which will be used for communication.
*/
#define PF_UNIX 0 /* Local communication */
#define PF_LOCAL 1 /* Local communication */
#define PF_INET 2 /* IPv4 Internet protocols */
#define PF_INET6 3 /* IPv6 Internet protocols */
#define PF_IPX 4 /* IPX - Novell protocols */
#define PF_NETLINK 5 /* Kernel user interface device */
#define PF_X25 6 /* ITU-T X.25 / ISO-8208 protocol */
#define PF_AX25 7 /* Amateur radio AX.25 protocol */
#define PF_ATMPVC 8 /* Access to raw ATM PVCs */
#define PF_APPLETALK 9 /* Appletalk */
#define PF_PACKET 10 /* Low level packet interface */
/* Address families */
#define AF_UNIX PF_UNIX
#define AF_LOCAL PF_LOCAL
#define AF_INET PF_INET
#define AF_INET6 PF_INET6
#define AF_IPX PF_IPX
#define AF_NETLINK PF_NETLINK
#define AF_X25 PF_X25
#define AF_AX25 PF_AX25
#define AF_ATMPVC PF_ATMPVC
#define AF_APPLETALK PF_APPLETALK
#define AF_PACKET PF_PACKET
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/*The socket created by socket() has the indicated type, which specifies
* the communication semantics.
*/
#define SOCK_STREAM 0 /* Provides sequenced, reliable, two-way, connection-based byte streams.
* An out-of-band data transmission mechanism may be supported. */
#define SOCK_DGRAM 1 /* Supports datagrams (connectionless, unreliable messages of a fixed
* maximum length). */
#define SOCK_SEQPACKET 2 /* Provides a sequenced, reliable, two-way connection-based data
* transmission path for datagrams of fixed maximum length; a consumer
* is required to read an entire packet with each read system call. */
#define SOCK_RAW 3 /* Provides raw network protocol access. */
#define SOCK_RDM 4 /* Provides a reliable datagram layer that does not guarantee ordering. */
#define SOCK_PACKET 5 /* Obsolete and should not be used in new programs */
/****************************************************************************
* Type Definitions
****************************************************************************/
struct sockaddr
{
sa_family_t sa_family;
char sa_data[14];
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
EXTERN int socket(int domain, int type, int protocol);
EXTERN int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
EXTERN int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
EXTERN ssize_t send(int s, const void *buf, size_t len, int flags);
EXTERN ssize_t sendto(int s, const void *buf, size_t len, int flags,
const struct sockaddr *to, socklen_t tolen);