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New example project demonstrates how to use lwIP as a shared library

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kieranm
2002-10-25 15:31:01 +00:00
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/*
* Copyright (c) 2001, 2002 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* Author: Kieran Mansley <kjm25@cam.ac.uk>
*
* $Id: unixlib.c,v 1.1 2002/10/25 15:31:01 kieranm Exp $
*/
/*-----------------------------------------------------------------------------------*/
/* unixlib.c
*
* The initialisation functions for a shared library
*
* You may need to configure this file to your own needs - it is only an example
* of how lwIP can be used as a self initialising shared library.
*
* In particular, you should change the gateway, ipaddr, and netmask to be the values
* you would like the stack to use.
*/
/*-----------------------------------------------------------------------------------*/
#include "lwip/sys.h"
#include "lwip/mem.h"
#include "lwip/memp.h"
#include "lwip/pbuf.h"
#include "lwip/tcp.h"
#include "lwip/tcpip.h"
#include "lwip/netif.h"
#include "lwip/stats.h"
#include "netif/tapif.h"
static void
tcpip_init_done(void *arg)
{
sys_sem_t *sem;
sem = arg;
sys_sem_signal(*sem);
}
void _init(void){
struct ip_addr ipaddr, netmask, gateway;
sys_sem_t sem;
stats_init();
sys_init();
mem_init();
memp_init();
pbuf_init();
sem = sys_sem_new(0);
tcpip_init(tcpip_init_done, &sem);
sys_sem_wait(sem);
sys_sem_free(sem);
netif_init();
/*
CHANGE THESE to suit your own network configuration:
*/
IP4_ADDR(&gateway, 192,168,1,1);
IP4_ADDR(&ipaddr, 192,168,1,1);
IP4_ADDR(&netmask, 255,255,255,0);
netif_set_default(netif_add(&ipaddr, &netmask, &gateway, tapif_init,
tcpip_input));
}
void _fini(void){
}