crypto/dist/ipsec-tools/src/racoon/throttle.h

   1 /*      $NetBSD: throttle.h,v 1.4 2006/09/09 16:22:10 manu Exp $        */
   2
   3 /* Id: throttle.h,v 1.1 2004/11/30 00:46:09 manubsd Exp */
   4
   5 /*
   6  * Copyright (C) 2004 Emmanuel Dreyfus
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 3. Neither the name of the project nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef _THROTTLE_H
  35 #define _THROTTLE_H
  36
  37 #include "schedule.h"
  38
  39 struct throttle_entry {
  40         struct timeval penalty_ends;
  41         TAILQ_ENTRY(throttle_entry) next;
  42         struct sockaddr_storage host;
  43 };
  44
  45 TAILQ_HEAD(throttle_list, throttle_entry);
  46
  47 #define THROTTLE_PENALTY 1
  48 #define THROTTLE_PENALTY_MAX 10
  49
  50 struct throttle_entry *throttle_add(struct sockaddr *);
  51 int throttle_host(struct sockaddr *, int);
  52
  53 #endif /* _THROTTLE_H */