/*
 * Copyright (C) 2000,2001	Onlyer	(onlyer@263.net)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
#include "common/setup_before.h"
#include "setup.h"

#ifdef HAVE_STDDEF_H
# include <stddef.h>
#else
# ifndef NULL
#  define NULL ((void *)0)
# endif
#endif
#ifdef TIME_WITH_SYS_TIME
# include <time.h>
# include <sys/time.h>
#else
# ifdef HAVE_SYS_TIME_H
#  include <sys/time.h>
# else
#  include <time.h>
# endif
#endif

#include "bnetd.h"
#include "prefs.h"
#include "s2s.h"
#include "handle_bnetd.h"
#include "connection.h"
#include "common/eventlog.h"
#include "common/setup_after.h"

static t_connection * bnetd_connection=NULL;

extern int bnetd_init(void)
{
	return bnetd_check();
}

extern int bnetd_check(void)
{
	static unsigned int	prev_connecting_checktime=0;

	if (bnetd_connection) {
		if (d2cs_conn_get_state(bnetd_connection)==conn_state_connecting) {
			if (time(NULL) - prev_connecting_checktime > prefs_get_s2s_timeout()) {
				eventlog(eventlog_level_warn,__FUNCTION__,"connection to bnetd s2s timeout");
				d2cs_conn_set_state(bnetd_connection,conn_state_destroy);
				return -1;
			}
		}
		return 0;
	}
	if (!(bnetd_connection=s2s_create(prefs_get_bnetdaddr(),BNETD_SERV_PORT,conn_class_bnetd))) {
		return -1;
	}
	if (d2cs_conn_get_state(bnetd_connection)==conn_state_init) {
		handle_bnetd_init(bnetd_connection);
	} else {
		prev_connecting_checktime=time(NULL);
	}
	return 0;
}


extern t_connection * bnetd_conn(void)
{
	return bnetd_connection;
}

extern int bnetd_set_connection(t_connection * c)
{
	bnetd_connection=c;
	return 0;
}

extern int bnetd_destroy(t_connection * c)
{
	if (bnetd_connection != c) {
		eventlog(eventlog_level_error,__FUNCTION__,"bnetd connection do not match");
		return -1;
	}
	bnetd_connection=NULL;
	return 0;
}