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 struct throttle_entry { 38 int penalty; 39 TAILQ_ENTRY(throttle_entry) next; 40 struct sockaddr_storage host; 41 }; 42 43 TAILQ_HEAD(throttle_list, throttle_entry); 44 45 #define THROTTLE_PENALTY 1 46 #define THROTTLE_PENALTY_MAX 10 47 48 struct throttle_entry *throttle_add(struct sockaddr *); 49 int throttle_host(struct sockaddr *, int); 50 51 #endif /* _THROTTLE_H */ 52