/*
* Handle a BOOTP received packet.
*/
static void bootp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
unsigned src, unsigned len)
{
struct bootp_hdr *bp;
debug("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n",
src, dest, len, sizeof(struct bootp_hdr));
bp = (struct bootp_hdr *)pkt;
/* Filter out pkts we don't want */
if (check_reply_packet(pkt, dest, src, len))
return;
/*
* Got a good BOOTP reply. Copy the data into our variables.
*/
#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF);
#endif
store_net_params(bp); /* Store net parameters from reply */
/* Retrieve extended information (we must parse the vendor area) */
if (net_read_u32((u32 *)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
bootp_process_vendor((uchar *)&bp->bp_vend[4], len);
net_set_timeout_handler(0, (thand_f *)0);
bootstage_mark_name(BOOTSTAGE_ID_BOOTP_STOP, "bootp_stop");
debug("Got good BOOTP\n");
net_auto_load();
}
void *receiver(void *arg)
{
int pipeFd = 0;
const unsigned char *p_packet = 0;
struct pcap_pkthdr *p_pkthdr = 0;
receiver_grub_args *grub = (receiver_grub_args*)arg;
pcap_t *p_descr = grub->p_descr;
NodeStatus *p_node_status = grub->p_node_status;
unsigned char *source_ip = 0;
source_ip = grub->source_ip;
/* if ((pipeFd = open(".read_sense", O_RDWR)) < 0) {
perror("fail to call open()");
exit(1);
}
*/
while(1){
if (pcap_next_ex(p_descr, &p_pkthdr, &p_packet) != 1) {
continue;
}
/*if ((pipeFd = open(".read_sense", O_RDWR)) < 0) {
perror("fail to call open()");
exit(1);
}*/
if(traffic_flag == 1) {
confirmNodeTraffic(p_packet, p_pkthdr, source_ip, pipeFd);
}
check_reply_packet(p_packet, p_pkthdr, source_ip, p_node_status, pipeFd);
//close(pipeFd);
}
close(pipeFd);
return 0;
}