void mowgli_simple_eventloop_timeout_once(mowgli_eventloop_t *eventloop, int timeout)
{
time_t delay, currtime;
int t;
return_if_fail(eventloop != NULL);
return_if_fail(eventloop->eventloop_ops != NULL);
mowgli_eventloop_synchronize(eventloop);
currtime = mowgli_eventloop_get_time(eventloop);
delay = mowgli_eventloop_next_timer(eventloop);
while (delay <= currtime)
{
mowgli_eventloop_run_timers(eventloop);
mowgli_eventloop_synchronize(eventloop);
currtime = mowgli_eventloop_get_time(eventloop);
delay = mowgli_eventloop_next_timer(eventloop);
}
if (timeout)
t = timeout;
else
t = (delay - currtime) * 1000;
#ifdef DEBUG
mowgli_log("delay: %ld, currtime: %ld, select period: %d", delay, currtime, t);
#endif
eventloop->eventloop_ops->select(eventloop, t);
}
static banrecord_t *
trigger_ban(trigger_t *t, packet_info_t *packet, iprecord_t *irec)
{
banrecord_t *rec;
prefix_t *pfx;
patricia_node_t *node;
struct in_addr sin;
switch (t->type) {
case TRIGGER_SRC:
sin.s_addr = packet->pkt_src.s_addr;
break;
case TRIGGER_DST:
default:
sin.s_addr = packet->pkt_dst.s_addr;
break;
};
if (ban_find(sin.s_addr) != NULL)
return NULL;
rec = calloc(sizeof(banrecord_t), 1);
rec->trigger = t;
memcpy(&rec->irec, irec, sizeof(iprecord_t));
memcpy(&rec->pkt, packet, sizeof(packet_info_t));
rec->added = mowgli_eventloop_get_time(eventloop);
rec->expiry_ts = rec->added + (t->expiry ? t->expiry : expiry);
pfx = New_Prefix(AF_INET, &sin, 32);
node = patricia_lookup(banrecord_trie, pfx);
node->data = rec;
Deref_Prefix(pfx);
run_triggers(ACTION_BAN, t, packet, rec);
rec->timer = mowgli_timer_add_once(eventloop, "expire_dynamic_trigger", expire_dynamic_trigger, rec, (t->expiry ? t->expiry : expiry));
return rec;
}
/**********************************************************************************
* netlink glue *
**********************************************************************************/
static void
linux_handle(mowgli_eventloop_t *eventloop, mowgli_eventloop_io_t *io, mowgli_eventloop_io_dir_t dir, void *userdata)
{
mowgli_eventloop_pollable_t *pollable = mowgli_eventloop_io_pollable(io);
unsigned char buffer[BUFSIZ];
size_t len;
while ((len = recvfrom(pollable->fd, buffer, BUFSIZ, 0, NULL, NULL)) >= 14)
{
packet_info_t info;
info.packets = 1;
info.len = len;
info.ts.tv_sec = mowgli_eventloop_get_time(eventloop);
info.ts.tv_usec = 0;
info.new_flow = 0;
dissect_ethernet(&info, buffer);
}
}
