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/*
* Demo for libcoap on lwIP
*
* partially copied from lwip-contrib/ports/unix/proj/minimal/main.c
*
*
* Copyright (c) 2001-2003 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: Adam Dunkels <adam@sics.se>
* RT timer modifications by Christiaan Simons
* lwip adaptions: chrysn <chrysn@fsfe.org>
* also, https://savannah.nongnu.org/bugs/?40245 was applied */
#include "server-coap.h"
#include <lwip/init.h>
#include <lwip/timeouts.h>
#include <netif/etharp.h>
#include <netif/tapif.h>
#include <signal.h>
#if LWIP_IPV4
static ip4_addr_t ipaddr, netmask, gw;
#endif /* LWIP_IPV4 */
static int quit = 0;
void
handle_sigint(int signum) {
(void)signum;
quit = 1;
}
/*
* This function is called internally by coap_io_process() to check
* for input.
*/
static int
wait_for_input(void *arg, uint32_t milli_secs) {
#if NO_SYS
struct netif *netif = (struct netif *)arg;
#endif /* NO_SYS */
int ret;
(void)milli_secs;
/*
* Poll netif, pass any read packet to lwIP
* Has internal timeout of 1000 msec (sometimes less) based on
* sys_timeouts_sleeptime().
*/
#if NO_SYS
ret = tapif_select(netif);
sys_check_timeouts();
#else /* ! NO_SYS */
(void)arg;
ret = 0;
#endif /* ! NO_SYS */
return ret;
}
int
main(int argc, char **argv) {
struct netif netif;
#ifndef _WIN32
struct sigaction sa;
#endif
/* startup defaults (may be overridden by one or more opts). this is
* hard-coded v4 even in presence of v6, which does auto-discovery and
* should thus wind up with an address of fe80::12:34ff:fe56:78ab%tap0
* */
#if LWIP_IPV4
IP4_ADDR(&gw, 192,168,113,1);
IP4_ADDR(&ipaddr, 192,168,113,2);
IP4_ADDR(&netmask, 255,255,255,0);
#endif /* LWIP_IPV4 */
#if NO_SYS
lwip_init();
#else /* ! NO_SYS */
#include <lwip/tcpip.h>
(void)lock_tcpip_core;
tcpip_init(NULL, NULL);
#endif /* ! NO_SYS */
printf("TCP/IP initialized.\n");
#if LWIP_IPV4
netif_add(&netif, &ipaddr, &netmask, &gw, NULL, tapif_init, ethernet_input);
#endif /* LWIP_IPV4 */
netif.flags |= NETIF_FLAG_ETHARP;
netif_set_default(&netif);
netif_set_up(&netif);
#if LWIP_IPV4
printf("IP4 %s\n", ip4addr_ntoa(ip_2_ip4(&netif.ip_addr)));
#endif /* LWIP_IPV4 */
#if LWIP_IPV6
netif_create_ip6_linklocal_address(&netif, 1);
#if LWIP_IPV4
printf("IP6 [%s]\n", ip6addr_ntoa(&netif.ip6_addr[0].u_addr.ip6));
#else /* ! LWIP_IPV4 */
printf("IP6 [%s]\n", ip6addr_ntoa(&netif.ip6_addr[0].addr));
#endif /* ! LWIP_IPV4 */
#endif /* LWIP_IPV6 */
/* start applications here */
#ifdef _WIN32
signal(SIGINT, handle_sigint);
#else
memset(&sa, 0, sizeof(sa));
sigemptyset(&sa.sa_mask);
sa.sa_handler = handle_sigint;
sa.sa_flags = 0;
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
/* So we do not exit on a SIGPIPE */
sa.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &sa, NULL);
#endif
server_coap_init(wait_for_input, &netif, argc, argv);
printf("Server Application started.\n");
while (!quit) {
server_coap_poll();
}
server_coap_finished();
printf("Server Application finished.\n");
exit(0);
return 0;
}
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