/*

 *  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.

 *

 *  Jabber

 *  Copyright (C) 1998-1999 The Jabber Team http://jabber.org/

 */

#include "jabber.h"

jlimit jlimit_new(int maxt, int maxp)

{

    pool p;

    jlimit r;

    p = pool_new();

    r = pmalloc(p,sizeof(_jlimit));

    r->key = NULL;

    r->start = r->points = 0;

    r->maxt = maxt;

    r->maxp = maxp;

    r->p = p;

    return r;

}

void jlimit_free(jlimit r)

{

    if(r != NULL)

    {

	if(r->key != NULL) free(r->key);

	pool_free(r->p);

    }

}

int jlimit_check(jlimit r, char *key, int points)

{

    int now = time(NULL);

    if(r == NULL) return 0;

    /* make sure we didn't go over the time frame or get a null/new key */

    if((now - r->start) > r->maxt || key == NULL || j_strcmp(key,r->key) != 0)

    { /* start a new key */

	free(r->key);

	if(key != NULL)

	  /* We use strdup instead of pstrdup since r->key needs to be free'd before 

	     and more often than the rest of the rlimit structure */

	    r->key = strdup(key); 

	else

	    r->key = NULL;

	r->start = now;

	r->points = 0;

    }

    r->points += points;

    /* if we're within the time frame and over the point limit */

    if(r->points > r->maxp && (now - r->start) < r->maxt)

    {

	return 1; /* we don't reset the rate here, so that it remains rated until the time runs out */

    }

    return 0;

}