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/*
* Copyright 1997-2000 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Niels Provos.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* $Id: schedule.h,v 1.2 2000/12/15 02:50:39 provos Exp $ */
/*
* schedule.h:
* schedule events like retransmission and clean ups.
*/
#ifndef _SCHEDULE_H_
#define _SCHEDULE_H_
#include "state.h"
#include "packets.h"
#undef EXTERN
#ifdef _SCHEDULE_C_
#define EXTERN
#else
#define EXTERN extern
#endif
#define REKEY 0
#define TIMEOUT 1
#define CLEANUP 2
#define MODULUS 3
#define UPDATE 4
#define MAX_RETRIES 3 /* Resend a packet max. as often */
#define CLEANUP_TIMEOUT 60
#define MODULUS_TIMEOUT 75
#define RESPONDER_TIMEOUT 300
#define RETRANS_TIMEOUT 10
#define REKEY_TIMEOUT 360
struct schedule {
struct schedule *next;
time_t tm;
int offset;
int event;
u_int8_t *cookie;
u_int16_t cookie_size;
};
EXTERN void schedule_process(int sock);
EXTERN int schedule_next(void);
EXTERN int schedule_offset(int type, u_int8_t *cookie);
EXTERN void schedule_insert(int type, int off, u_int8_t *cookie,
u_int16_t cookie_size);
EXTERN void schedule_remove(int type, u_int8_t *cookie);
EXTERN void init_schedule(void);
#endif /* _SCHEDULE_H */
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