1c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh/*	$NetBSD: throttle.h,v 1.4 2006/09/09 16:22:10 manu Exp $	*/
20a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang
30a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang/* Id: throttle.h,v 1.1 2004/11/30 00:46:09 manubsd Exp */
40a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang
50a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang/*
60a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * Copyright (C) 2004 Emmanuel Dreyfus
70a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * All rights reserved.
80a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang *
90a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * Redistribution and use in source and binary forms, with or without
100a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * modification, are permitted provided that the following conditions
110a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * are met:
120a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * 1. Redistributions of source code must retain the above copyright
130a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang *    notice, this list of conditions and the following disclaimer.
140a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * 2. Redistributions in binary form must reproduce the above copyright
150a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang *    notice, this list of conditions and the following disclaimer in the
160a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang *    documentation and/or other materials provided with the distribution.
170a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * 3. Neither the name of the project nor the names of its contributors
180a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang *    may be used to endorse or promote products derived from this software
190a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang *    without specific prior written permission.
200a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang *
210a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
220a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
230a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
240a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
250a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
260a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
270a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
280a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
290a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
300a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
310a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang * SUCH DAMAGE.
320a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang */
330a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang
340a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#ifndef _THROTTLE_H
350a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#define _THROTTLE_H
360a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang
370a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangstruct throttle_entry {
38c91307af2622f6625525f3c1f9c954376df950adChia-chi Yeh	int penalty;
390a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang	TAILQ_ENTRY(throttle_entry) next;
400a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang	struct sockaddr_storage host;
410a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang};
420a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang
430a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih WangTAILQ_HEAD(throttle_list, throttle_entry);
440a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang
450a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#define THROTTLE_PENALTY 1
460a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#define THROTTLE_PENALTY_MAX 10
470a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang
480a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangstruct throttle_entry *throttle_add(struct sockaddr *);
490a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wangint throttle_host(struct sockaddr *, int);
500a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang
510a1907d434839af6a9cb6329bbde60b237bf53dcChung-yih Wang#endif /* _THROTTLE_H */
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