This library is deprecated.

Dependents:   HTTPClientStreamingExample HTTPClientExample HTTPServerExample HTTPServerHelloWorld ... more

Committer:
donatien
Date:
Fri Jun 11 16:25:22 2010 +0000
Revision:
0:422060928e37
Child:
5:bc7df6da7589

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 0:422060928e37 1 /*
donatien 0:422060928e37 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
donatien 0:422060928e37 3 * All rights reserved.
donatien 0:422060928e37 4 *
donatien 0:422060928e37 5 * Redistribution and use in source and binary forms, with or without modification,
donatien 0:422060928e37 6 * are permitted provided that the following conditions are met:
donatien 0:422060928e37 7 *
donatien 0:422060928e37 8 * 1. Redistributions of source code must retain the above copyright notice,
donatien 0:422060928e37 9 * this list of conditions and the following disclaimer.
donatien 0:422060928e37 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
donatien 0:422060928e37 11 * this list of conditions and the following disclaimer in the documentation
donatien 0:422060928e37 12 * and/or other materials provided with the distribution.
donatien 0:422060928e37 13 * 3. The name of the author may not be used to endorse or promote products
donatien 0:422060928e37 14 * derived from this software without specific prior written permission.
donatien 0:422060928e37 15 *
donatien 0:422060928e37 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
donatien 0:422060928e37 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
donatien 0:422060928e37 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
donatien 0:422060928e37 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
donatien 0:422060928e37 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
donatien 0:422060928e37 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
donatien 0:422060928e37 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
donatien 0:422060928e37 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
donatien 0:422060928e37 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
donatien 0:422060928e37 25 * OF SUCH DAMAGE.
donatien 0:422060928e37 26 *
donatien 0:422060928e37 27 * This file is part of the lwIP TCP/IP stack.
donatien 0:422060928e37 28 *
donatien 0:422060928e37 29 * Author: Adam Dunkels <adam@sics.se>
donatien 0:422060928e37 30 *
donatien 0:422060928e37 31 */
donatien 0:422060928e37 32 #ifndef __LWIP_NETBUF_H__
donatien 0:422060928e37 33 #define __LWIP_NETBUF_H__
donatien 0:422060928e37 34
donatien 0:422060928e37 35 #include "lwip/opt.h"
donatien 0:422060928e37 36 #include "lwip/pbuf.h"
donatien 0:422060928e37 37 #include "lwip/ip_addr.h"
donatien 0:422060928e37 38
donatien 0:422060928e37 39 #ifdef __cplusplus
donatien 0:422060928e37 40 extern "C" {
donatien 0:422060928e37 41 #endif
donatien 0:422060928e37 42
donatien 0:422060928e37 43 struct netbuf {
donatien 0:422060928e37 44 struct pbuf *p, *ptr;
donatien 0:422060928e37 45 ip_addr_t *addr;
donatien 0:422060928e37 46 u16_t port;
donatien 0:422060928e37 47 #if LWIP_NETBUF_RECVINFO
donatien 0:422060928e37 48 ip_addr_t *toaddr;
donatien 0:422060928e37 49 u16_t toport;
donatien 0:422060928e37 50 #endif /* LWIP_NETBUF_RECVINFO */
donatien 0:422060928e37 51 };
donatien 0:422060928e37 52
donatien 0:422060928e37 53 /* Network buffer functions: */
donatien 0:422060928e37 54 struct netbuf * netbuf_new (void);
donatien 0:422060928e37 55 void netbuf_delete (struct netbuf *buf);
donatien 0:422060928e37 56 void * netbuf_alloc (struct netbuf *buf, u16_t size);
donatien 0:422060928e37 57 void netbuf_free (struct netbuf *buf);
donatien 0:422060928e37 58 err_t netbuf_ref (struct netbuf *buf,
donatien 0:422060928e37 59 const void *dataptr, u16_t size);
donatien 0:422060928e37 60 void netbuf_chain (struct netbuf *head,
donatien 0:422060928e37 61 struct netbuf *tail);
donatien 0:422060928e37 62
donatien 0:422060928e37 63 err_t netbuf_data (struct netbuf *buf,
donatien 0:422060928e37 64 void **dataptr, u16_t *len);
donatien 0:422060928e37 65 s8_t netbuf_next (struct netbuf *buf);
donatien 0:422060928e37 66 void netbuf_first (struct netbuf *buf);
donatien 0:422060928e37 67
donatien 0:422060928e37 68
donatien 0:422060928e37 69 #define netbuf_copy_partial(buf, dataptr, len, offset) \
donatien 0:422060928e37 70 pbuf_copy_partial((buf)->p, (dataptr), (len), (offset))
donatien 0:422060928e37 71 #define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0)
donatien 0:422060928e37 72 #define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len)
donatien 0:422060928e37 73 #define netbuf_len(buf) ((buf)->p->tot_len)
donatien 0:422060928e37 74 #define netbuf_fromaddr(buf) ((buf)->addr)
donatien 0:422060928e37 75 #define netbuf_fromport(buf) ((buf)->port)
donatien 0:422060928e37 76 #if LWIP_NETBUF_RECVINFO
donatien 0:422060928e37 77 #define netbuf_destaddr(buf) ((buf)->toaddr)
donatien 0:422060928e37 78 #define netbuf_destport(buf) ((buf)->toport)
donatien 0:422060928e37 79 #endif /* LWIP_NETBUF_RECVINFO */
donatien 0:422060928e37 80
donatien 0:422060928e37 81 #ifdef __cplusplus
donatien 0:422060928e37 82 }
donatien 0:422060928e37 83 #endif
donatien 0:422060928e37 84
donatien 0:422060928e37 85 #endif /* __LWIP_NETBUF_H__ */