/* disconnect from given host */
int disconnect_from (char *host)
{
struct hostent *h;
struct sockaddr_in serv_addr;
int socket;
int i;
h = gethostbyname (host);
if (h == NULL)
{
printf ("[EE] Unknown host '%s'\n", host);
return 0;
}
memcpy ((char *) &serv_addr.sin_addr.s_addr,
h->h_addr_list[0],
h->h_length);
socket = dump_lookup_neighbor (serv_addr.sin_addr);
if (socket == 0)
{
printf ("[EE] No connection to host '%s'\n", host);
return 0;
}
/*
printf ("[+] disconnecting : del_neighbor \n");
dump_del_neighbor (serv_addr.sin_addr);
printf ("[+] disconnecting : del_myid \n");
dump_del_myid (socket);
printf ("[+] disconnecting : close \n");
close (socket);
*/
dump_disconnect (socket);
for (i = 2; i < sd_num; i++)
{
if (sd_list[i] == socket)
sd_list[i] = 0;
/* XXX dirty */
}
return 0;
}
/* receive callback */
void *dump_receive_cb(int s)
{
pkt_t *pkt;
#if __DEBUG_DUMP__
printf("[DUMP] dump_receive_cb [%d]\n", s);
#endif
/* clean recently seen tables */
dump_clean_recently_seen();
/* read an entire packet */
pkt = dump_recv_pkt(s);
if (pkt == (pkt_t *) (-1))
{
#if __DEBUG_DUMP__
printf("[DUMP] error -> disconnecting\n");
#endif
dump_disconnect(s);
return (void *) (-1);
}
#if __DEBUG_DUMP__
printf("[DUMP] ----recv-----\n");
dump_print_pkt(pkt);
printf("[DUMP] -------------\n");
#endif
/* if packet readed */
if (pkt != NULL)
{
/* determine packet type */
switch (ntohs(pkt->type))
{
case RR:
dump_receive_RR(pkt);
dump_free(pkt);
break;
case Rr:
dump_receive_Rr(pkt);
dump_free(pkt);
break;
case DATA:
pkt = dump_receive_DATA(pkt);
/* need some mem free */
#if !defined(ERESI_INTERNAL)
if (pkt < 0)
{
printf("[EE] error while forwaring data\n");
}
#endif
return pkt;
break;
default:
#if !defined(ERESI_INTERNAL)
fprintf(stderr, "[EE] Unknown packet type %u \n", ntohs(pkt->type));
#endif
/* XXX anything to add ? */
exit(-1);
}
}
return NULL;
}
