forked from Imagelibrary/uip
135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/*
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* Copyright (c) 2001-2003, Adam Dunkels.
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* All rights reserved.
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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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* 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 the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the uIP TCP/IP stack.
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*
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* $Id: main.c,v 1.10.2.1 2003/10/04 22:54:17 adam Exp $
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*
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*/
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#include "uip.h"
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#include "uip_arp.h"
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#include "tapdev.h"
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#include "httpd.h"
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#include "telnet.h"
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#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
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#ifndef NULL
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#define NULL (void *)0
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#endif /* NULL */
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/*-----------------------------------------------------------------------------------*/
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int
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main(void)
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{
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u8_t i, arptimer;
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/* Initialize the device driver. */
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tapdev_init();
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/* Initialize the uIP TCP/IP stack. */
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uip_init();
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/* Initialize the HTTP server. */
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httpd_init();
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arptimer = 0;
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while(1) {
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/* Let the tapdev network device driver read an entire IP packet
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into the uip_buf. If it must wait for more than 0.5 seconds, it
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will return with the return value 0. If so, we know that it is
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time to call upon the uip_periodic(). Otherwise, the tapdev has
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received an IP packet that is to be processed by uIP. */
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uip_len = tapdev_read();
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if(uip_len == 0) {
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for(i = 0; i < UIP_CONNS; i++) {
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uip_periodic(i);
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if(uip_len > 0) {
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uip_arp_out();
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tapdev_send();
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}
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}
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#if UIP_UDP
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for(i = 0; i < UIP_UDP_CONNS; i++) {
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uip_udp_periodic(i);
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if(uip_len > 0) {
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uip_arp_out();
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tapdev_send();
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}
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}
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#endif /* UIP_UDP */
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/* Call the ARP timer function every 10 seconds. */
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if(++arptimer == 20) {
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uip_arp_timer();
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arptimer = 0;
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}
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} else {
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if(BUF->type == htons(UIP_ETHTYPE_IP)) {
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uip_arp_ipin();
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uip_input();
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if(uip_len > 0) {
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uip_arp_out();
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tapdev_send();
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}
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} else if(BUF->type == htons(UIP_ETHTYPE_ARP)) {
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uip_arp_arpin();
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if(uip_len > 0) {
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tapdev_send();
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}
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}
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}
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}
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return 0;
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}
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/*-----------------------------------------------------------------------------------*/
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void
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uip_log(char *m)
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{
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printf("uIP log message: %s\n", m);
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}
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/*-----------------------------------------------------------------------------------*/
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