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/*
* (C) 2014 by Pablo Neira Ayuso <pablo@netfilter.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*/
#include <stdio.h>
#include <stdlib.h>
#include <event.h>
#include "init.h"
#include "logging.h"
static int sigtype;
static struct event_base *ev_base;
static struct event sigterm_event, sigusr1_event, sigint_event;
static void sigterm_callback(int fd, short event, void *data)
{
sigtype = SIGTERM;
}
static void sigint_callback(int fd, short event, void *data)
{
sigtype = SIGINT;
}
static void sigusr1_callback(int fd, short event, void *data)
{
sigtype = SIGUSR1;
}
int nft_sync_event_init(void)
{
ev_base = event_init();
if (ev_base == NULL)
return -1;
signal_set(&sigint_event, SIGINT, sigint_callback, NULL);
signal_add(&sigint_event, NULL);
signal_set(&sigterm_event, SIGTERM, sigterm_callback, NULL);
signal_add(&sigterm_event, NULL);
signal_set(&sigusr1_event, SIGUSR1, sigusr1_callback, NULL);
signal_add(&sigusr1_event, NULL);
return 0;
}
void nft_sync_event_loop(void)
{
while (!sigtype && !nfts_inst.stop)
event_loop(EVLOOP_ONCE);
switch (sigtype) {
case SIGINT:
nfts_log(NFTS_LOG_NOTICE, "Received SIGINT, closing.");
break;
case SIGTERM:
nfts_log(NFTS_LOG_NOTICE, "Received SIGTERM, closing.");
break;
case SIGUSR1:
nfts_log(NFTS_LOG_NOTICE, "Received SIGUSR1");
/* TODO: reload configuration file */
break;
default:
nfts_log(NFTS_LOG_INFO, "Closing process");
break;
}
}
void nft_sync_event_fini(void)
{
signal_del(&sigterm_event);
signal_del(&sigusr1_event);
signal_del(&sigint_event);
event_base_free(ev_base);
}
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