nes-proj/apps/udp/udp-receiver.c

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C
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2008-10-14 09:44:20 +00:00
/*
* 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. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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.
*
* This file is part of the Contiki operating system.
*
*/
#include "contiki.h"
#include "contiki-lib.h"
#include "contiki-net.h"
#include <string.h>
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#define PRINT6ADDR(addr) PRINTF(" %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x ", ((u8_t *)addr)[0], ((u8_t *)addr)[1], ((u8_t *)addr)[2], ((u8_t *)addr)[3], ((u8_t *)addr)[4], ((u8_t *)addr)[5], ((u8_t *)addr)[6], ((u8_t *)addr)[7], ((u8_t *)addr)[8], ((u8_t *)addr)[9], ((u8_t *)addr)[10], ((u8_t *)addr)[11], ((u8_t *)addr)[12], ((u8_t *)addr)[13], ((u8_t *)addr)[14], ((u8_t *)addr)[15])
#define PRINTLLADDR(lladdr) PRINTF(" %02x:%02x:%02x:%02x:%02x:%02x ",lladdr->addr[0], lladdr->addr[1], lladdr->addr[2], lladdr->addr[3],lladdr->addr[4], lladdr->addr[5])
#else
#define PRINTF(...)
#define PRINT6ADDR(addr)
#endif
#define UDP_DATA_LEN 120
static struct uip_udp_conn *udpconn;
static u8_t udpdata[UDP_DATA_LEN];
PROCESS(udp_process_receiver, "UPD test receiver");
AUTOSTART_PROCESSES(&udp_process_receiver);
/*---------------------------------------------------------------------------*/
static void
udphandler(process_event_t ev, process_data_t data)
{
PRINTF("Replying to UDP packet\n");
uip_udp_packet_send(udpconn, udpdata, UDP_DATA_LEN);
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(udp_process_receiver, ev, data)
{
uip_ipaddr_t ipaddr;
PROCESS_BEGIN();
PRINTF("In Process UDP test\n");
memset(udpdata, 1, UDP_DATA_LEN);
uip_ip6addr(&ipaddr,0xFE80,0,0,0,0x2022,0x2222,0x2222,0x2222);
udpconn = udp_new(&ipaddr, HTONS(0xF0B0+1), NULL);
udp_bind(udpconn, HTONS(0xF0B0));
PRINTF("Created connection with remote peer ");
PRINT6ADDR(&udpconn->ripaddr);
PRINTF("local/remote port %d/%d\n",
HTONS(udpconn->lport),HTONS(udpconn->rport));
while(1) {
PROCESS_YIELD();
udphandler(ev, data);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/