mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-08-27 16:28:56 +00:00
177 lines
5.8 KiB
C
177 lines
5.8 KiB
C
/*
|
|
* 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 "mac.h"
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#define MACDEBUG 0
|
|
|
|
#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 ", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_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 PING6_NB 5
|
|
#define PING6_DATALEN 16
|
|
|
|
#define UIP_IP_BUF ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
|
|
#define UIP_ICMP_BUF ((struct uip_icmp_hdr *)&uip_buf[uip_l2_l3_hdr_len])
|
|
|
|
static struct etimer ping6_periodic_timer;
|
|
static uint8_t count = 0;
|
|
static char command[20];
|
|
static uint16_t addr[8];
|
|
uip_ipaddr_t dest_addr;
|
|
|
|
PROCESS(ping6_process, "PING6 process");
|
|
AUTOSTART_PROCESSES(&ping6_process);
|
|
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
static uint8_t
|
|
ping6handler(process_event_t ev, process_data_t data)
|
|
{
|
|
if(count == 0){
|
|
#if MACDEBUG
|
|
// Setup destination address.
|
|
addr[0] = 0xFE80;
|
|
addr[4] = 0x6466;
|
|
addr[5] = 0x6666;
|
|
addr[6] = 0x6666;
|
|
addr[7] = 0x6666;
|
|
uip_ip6addr(&dest_addr, addr[0], addr[1],addr[2],
|
|
addr[3],addr[4],addr[5],addr[6],addr[7]);
|
|
|
|
// Set the command to fool the 'if' below.
|
|
memcpy(command, (void *)"ping6", 5);
|
|
|
|
#else
|
|
/* prompt */
|
|
printf("> ");
|
|
/** \note the scanf here is blocking (the all stack is blocked waiting
|
|
* for user input). This is far from ideal and could be improved
|
|
*/
|
|
scanf("%s", command);
|
|
|
|
if(strcmp(command,"ping6") != 0){
|
|
PRINTF("> invalid command\n");
|
|
return 0;
|
|
}
|
|
|
|
if(scanf(" %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x",
|
|
&addr[0],&addr[1],&addr[2],&addr[3],
|
|
&addr[4],&addr[5],&addr[6],&addr[7]) == 8){
|
|
|
|
uip_ip6addr(&dest_addr, addr[0], addr[1],addr[2],
|
|
addr[3],addr[4],addr[5],addr[6],addr[7]);
|
|
} else {
|
|
PRINTF("> invalid ipv6 address format\n");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
}
|
|
|
|
if((strcmp(command,"ping6") == 0) && (count < PING6_NB)){
|
|
|
|
UIP_IP_BUF->vtc = 0x60;
|
|
UIP_IP_BUF->tcflow = 1;
|
|
UIP_IP_BUF->flow = 0;
|
|
UIP_IP_BUF->proto = UIP_PROTO_ICMP6;
|
|
UIP_IP_BUF->ttl = uip_ds6_if.cur_hop_limit;
|
|
uip_ipaddr_copy(&UIP_IP_BUF->destipaddr, &dest_addr);
|
|
uip_ds6_select_src(&UIP_IP_BUF->srcipaddr, &UIP_IP_BUF->destipaddr);
|
|
|
|
UIP_ICMP_BUF->type = ICMP6_ECHO_REQUEST;
|
|
UIP_ICMP_BUF->icode = 0;
|
|
/* set identifier and sequence number to 0 */
|
|
memset((uint8_t *)UIP_ICMP_BUF + UIP_ICMPH_LEN, 0, 4);
|
|
/* put one byte of data */
|
|
memset((uint8_t *)UIP_ICMP_BUF + UIP_ICMPH_LEN + UIP_ICMP6_ECHO_REQUEST_LEN,
|
|
count, PING6_DATALEN);
|
|
|
|
|
|
uip_len = UIP_ICMPH_LEN + UIP_ICMP6_ECHO_REQUEST_LEN + UIP_IPH_LEN + PING6_DATALEN;
|
|
UIP_IP_BUF->len[0] = (uint8_t)((uip_len - 40) >> 8);
|
|
UIP_IP_BUF->len[1] = (uint8_t)((uip_len - 40) & 0x00FF);
|
|
|
|
UIP_ICMP_BUF->icmpchksum = 0;
|
|
UIP_ICMP_BUF->icmpchksum = ~uip_icmp6chksum();
|
|
|
|
|
|
PRINTF("Sending Echo Request to");
|
|
PRINT6ADDR(&UIP_IP_BUF->destipaddr);
|
|
PRINTF("from");
|
|
PRINT6ADDR(&UIP_IP_BUF->srcipaddr);
|
|
PRINTF("\n");
|
|
UIP_STAT(++uip_stat.icmp.sent);
|
|
|
|
tcpip_ipv6_output();
|
|
|
|
count++;
|
|
etimer_set(&ping6_periodic_timer, 3 * CLOCK_SECOND);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(ping6_process, ev, data)
|
|
{
|
|
|
|
uint8_t cont = 1;
|
|
|
|
PROCESS_BEGIN();
|
|
PRINTF("In Process PING6\n");
|
|
PRINTF("Wait for DAD\n");
|
|
|
|
etimer_set(&ping6_periodic_timer, 15*CLOCK_SECOND);
|
|
|
|
while(cont) {
|
|
PROCESS_YIELD();
|
|
cont = ping6handler(ev, data);
|
|
}
|
|
|
|
PRINTF("END PING6\n");
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|