/*	$KAME: mping.h,v 1.3 2000/12/05 09:08:54 itojun Exp $	*//* * Copyright (C) 1999 WIDE Project. * 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. Neither the name of the project nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. *  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 PROJECT OR CONTRIBUTORS 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. */#include <stdio.h>#include <unistd.h>#include <stdlib.h>#include <sys/types.h>#include <sys/socket.h>#include <sys/signal.h>#include <net/if.h>#include <netinet/in.h>#include <time.h>#include <string.h>#include <netdb.h>#include <errno.h>#include <err.h>#include <assert.h>#include <math.h>#define DEFAULT_INTERVAL 	   10#define	DEFAULT_LOG_INTERVAL	 3600#define DEFAULT_SIZE		  128#define DEFAULT_HOPLIMIT 	    1#define DEFAULT_PORT    	"9998"#define	DEFAULT_SESSION_EXPIRE	(3600 * 24 * 7)	/* 7 days */#define	MAX_MSGSIZE		 4096#define	MAX_LOST_HISTORY	   16#define	DEFAULT_LOGFILE		"/var/log/mprecv.log"#define	DEFAULT_DUMPFILE	"/tmp/mprecv.dump"#define	PID_FILE		"/var/run/mprecv.pid"/* * packet format of each message */struct mping {	u_long	m_sessid;		/* session id */	u_long	m_seq;			/* sequence number */	struct	timeval	m_interval;	/* transmit interval */};