mirror of
https://github.com/ep00ch/lwip-contrib-mac.git
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266 lines
7.3 KiB
C
266 lines
7.3 KiB
C
/*
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* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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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 modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* 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 products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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* RT timer modifications by Christiaan Simons
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*/
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#include <unistd.h>
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#include <getopt.h>
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#include "lwip/debug.h"
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#include "lwip/mem.h"
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#include "lwip/memp.h"
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#include "lwip/sys.h"
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#include "lwip/stats.h"
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#include "lwip/ip.h"
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#include "lwip/ip_frag.h"
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#include "lwip/udp.h"
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#include "lwip/snmp_msg.h"
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#include "lwip/tcp.h"
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#include "mintapif.h"
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#include "netif/etharp.h"
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#include "lwip/sockets.h"
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#include "timer.h"
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#include <signal.h>
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#include "echo.h"
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#include "private_mib.h"
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/* (manual) host IP configuration */
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static struct ip_addr ipaddr, netmask, gw;
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/* SNMP trap destination cmd option */
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static unsigned char trap_flag;
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static struct ip_addr trap_addr;
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/* nonstatic debug cmd option, exported in lwipopts.h */
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unsigned char debug_flags;
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/* 'non-volatile' SNMP settings
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@todo: make these truly non-volatile */
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u8_t syscontact_str[255];
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u8_t syscontact_len = 0;
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u8_t syslocation_str[255];
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u8_t syslocation_len = 0;
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/* enable == 1, disable == 2 */
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u8_t snmpauthentraps_set = 2;
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static struct option longopts[] = {
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/* turn on debugging output (if build with LWIP_DEBUG) */
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{"debug", no_argument, NULL, 'd'},
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/* help */
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{"help", no_argument, NULL, 'h'},
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/* gateway address */
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{"gateway", required_argument, NULL, 'g'},
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/* ip address */
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{"ipaddr", required_argument, NULL, 'i'},
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/* netmask */
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{"netmask", required_argument, NULL, 'm'},
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/* ping destination */
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{"trap_destination", required_argument, NULL, 't'},
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/* new command line options go here! */
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{NULL, 0, NULL, 0}
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};
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#define NUM_OPTS ((sizeof(longopts) / sizeof(struct option)) - 1)
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void usage(void)
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{
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unsigned char i;
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printf("options:\n");
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for (i = 0; i < NUM_OPTS; i++) {
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printf("-%c --%s\n",longopts[i].val, longopts[i].name);
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}
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}
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int
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main(int argc, char **argv)
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{
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struct netif netif;
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sigset_t mask, oldmask, empty;
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struct in_addr inaddr;
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int ch;
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char ip_str[16] = {0}, nm_str[16] = {0}, gw_str[16] = {0};
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/* startup defaults (may be overridden by one or more opts) */
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IP4_ADDR(&gw, 192,168,0,1);
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IP4_ADDR(&ipaddr, 192,168,0,2);
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IP4_ADDR(&netmask, 255,255,255,0);
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trap_flag = 0;
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/* use debug flags defined by debug.h */
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debug_flags = DBG_OFF;
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while ((ch = getopt_long(argc, argv, "dhg:i:m:t:", longopts, NULL)) != -1) {
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switch (ch) {
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case 'd':
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debug_flags |= (DBG_ON|DBG_TRACE|DBG_STATE|DBG_FRESH|DBG_HALT);
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break;
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case 'h':
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usage();
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exit(0);
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break;
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case 'g':
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inet_aton(optarg, &inaddr);
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gw.addr = inaddr.s_addr;
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break;
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case 'i':
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inet_aton(optarg, &inaddr);
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ipaddr.addr = inaddr.s_addr;
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break;
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case 'm':
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inet_aton(optarg, &inaddr);
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netmask.addr = inaddr.s_addr;
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break;
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case 't':
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trap_flag = !0;
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/* @todo: remove this authentraps tweak
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when we have proper SET & non-volatile mem */
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snmpauthentraps_set = 1;
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inet_aton(optarg, &inaddr);
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/* lwip inet.h oddity workaround */
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trap_addr.addr = inaddr.s_addr;
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strncpy(ip_str,inet_ntoa(inaddr),sizeof(ip_str));
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printf("SNMP trap destination %s\n", ip_str);
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break;
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default:
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usage();
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break;
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}
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}
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argc -= optind;
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argv += optind;
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inaddr.s_addr = ipaddr.addr;
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strncpy(ip_str,inet_ntoa(inaddr),sizeof(ip_str));
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inaddr.s_addr = netmask.addr;
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strncpy(nm_str,inet_ntoa(inaddr),sizeof(nm_str));
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inaddr.s_addr = gw.addr;
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strncpy(gw_str,inet_ntoa(inaddr),sizeof(gw_str));
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printf("Host at %s mask %s gateway %s\n", ip_str, nm_str, gw_str);
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#ifdef PERF
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perf_init("/tmp/minimal.perf");
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#endif /* PERF */
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#ifdef STATS
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stats_init();
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#endif /* STATS */
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mem_init();
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memp_init();
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pbuf_init();
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netif_init();
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ip_init();
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udp_init();
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tcp_init();
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lwip_socket_init();
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printf("TCP/IP initialized.\n");
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netif_add(&netif, &ipaddr, &netmask, &gw, NULL, mintapif_init, ip_input);
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netif_set_default(&netif);
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netif_set_up(&netif);
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#if SNMP_PRIVATE_MIB != 0
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/* initialize our private example MIB */
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lwip_privmib_init();
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#endif
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snmp_trap_dst_ip_set(0,&trap_addr);
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snmp_trap_dst_enable(0,trap_flag);
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snmp_set_syscontact(syscontact_str,&syscontact_len);
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snmp_set_syslocation(syslocation_str,&syslocation_len);
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snmp_set_snmpenableauthentraps(&snmpauthentraps_set);
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snmp_init();
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echo_init();
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timer_init();
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timer_set_interval(TIMER_EVT_ETHARPTMR,2000);
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timer_set_interval(TIMER_EVT_TCPFASTTMR, TCP_FAST_INTERVAL / 10);
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timer_set_interval(TIMER_EVT_TCPSLOWTMR, TCP_SLOW_INTERVAL / 10);
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#if IP_REASSEMBLY
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timer_set_interval(TIMER_EVT_IPREASSTMR,100);
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#endif
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printf("Applications started.\n");
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while (1) {
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/* poll for input packet and ensure
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select() or read() arn't interrupted */
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sigemptyset(&mask);
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sigaddset(&mask, SIGALRM);
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sigprocmask(SIG_BLOCK, &mask, &oldmask);
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/* start of critical section,
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poll netif, pass packet to lwIP */
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if (mintapif_select(&netif) > 0)
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{
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/* work, immediatly end critical section
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hoping lwIP ended quickly ... */
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sigprocmask(SIG_SETMASK, &oldmask, NULL);
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}
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else
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{
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/* no work, wait a little (10 msec) for SIGALRM */
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sigemptyset(&empty);
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sigsuspend(&empty);
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/* ... end critical section */
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sigprocmask(SIG_SETMASK, &oldmask, NULL);
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}
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if(timer_testclr_evt(TIMER_EVT_TCPFASTTMR))
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{
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tcp_fasttmr();
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}
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if(timer_testclr_evt(TIMER_EVT_TCPSLOWTMR))
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{
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tcp_slowtmr();
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}
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#if IP_REASSEMBLY
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if(timer_testclr_evt(TIMER_EVT_IPREASSTMR))
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{
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ip_reass_tmr();
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}
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#endif
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if(timer_testclr_evt(TIMER_EVT_ETHARPTMR))
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{
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etharp_tmr();
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}
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}
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return 0;
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}
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