sockets.h

基于博创实验箱9个实验源代码。

/*
 * Copyright (c) 2001, Swedish Institute of Computer Science.
 * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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. 
 *
 * This file is part of the lwIP TCP/IP stack.
 * 
 * Author: Adam Dunkels <[e-mail]>
 *
 * $Id: sockets.h,v 1.1 2001/12/12 10:01:00 adam Exp $
 */


#ifndef __LWIP_SOCKETS_H__
#define __LWIP_SOCKETS_H__

#define LWIP_COMPAT_SOCKETS

struct in_addr {
  u32_t s_addr;
};


struct sockaddr_in {
  u8_t sin_len;
  u8_t sin_family;
  u16_t sin_port;
  struct in_addr sin_addr;
  char sin_zero[8];
};

 struct sockaddr {
  u8_t sa_len;
  u8_t sa_family;
  char sa_data[14];
} ;

#define SOCK_STREAM     1
#define SOCK_DGRAM      2

#define AF_INET         2
#define PF_INET         AF_INET

#define IPPROTO_TCP     6
#define IPPROTO_UDP     17

#define INADDR_ANY      0
#define INADDR_BROADCAST 0xffffffff

int lwip_accept(int s, struct sockaddr *addr, int *addrlen);
int lwip_bind(int s, struct sockaddr *name, int namelen);
int lwip_close(int s);
int lwip_connect(int s, struct sockaddr *name, int namelen);
int lwip_listen(int s, int backlog);
int lwip_recv(int s, void *mem, int len, unsigned int flags);
int lwip_read(int s, void *mem, int len);
int lwip_recvfrom(int s, void *mem, int len, unsigned int flags,
		  struct sockaddr *from, int *fromlen);
int lwip_send(int s, void *dataptr, int size, unsigned int flags);
int lwip_sendto(int s, void *dataptr, int size, unsigned int flags,
		struct sockaddr *to, int tolen);
int lwip_socket(int domain, int type, int protocol);
int lwip_write(int s, void *dataptr, int size);

#ifdef LWIP_COMPAT_SOCKETS
#define accept(a,b,c)         lwip_accept(a,b,c)
#define bind(a,b,c)           lwip_bind(a,b,c)
#define close(s)              lwip_close(s)
#define connect(a,b,c)        lwip_connect(a,b,c)
#define listen(a,b)           lwip_listen(a,b)
#define recv(a,b,c,d)         lwip_recv(a,b,c,d)
#define read(a,b,c)           lwip_read(a,b,c)
#define recvfrom(a,b,c,d,e,f) lwip_recvfrom(a,b,c,d,e,f)
#define send(a,b,c,d)         lwip_send(a,b,c,d)
#define sendto(a,b,c,d,e,f)   lwip_sendto(a,b,c,d,e,f)
#define socket(a,b,c)         lwip_socket(a,b,c)
#define write(a,b,c)          lwip_write(a,b,c)
#endif /* LWIP_NO_COMPAT_SOCKETS */

#endif /* __LWIP_SOCKETS_H__ */