usr/src/usr.sbin/timed/timed/globals.h

/*
 * Copyright (c) 1983 Regents of the University of California.
 * 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 the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
 *
 *      @(#)globals.h   2.7 (Berkeley) 6/1/90
 */

#include <sys/param.h>
#include <stdio.h>
#include <sys/time.h>
#include <errno.h>
#include <syslog.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>

extern int errno;
extern int sock;

#define SAMPLEINTVL     240             /* synch() freq for master, sec */
#define MAXADJ          20              /* max correction (sec) for adjtime */
/*
 * Parameters for network time measurement
 * of each host using ICMP timestamp requests.
 */
#define RANGE           20              /* best expected round-trip time, ms */
#define MSGS            5               /* # of timestamp replies to average */
#define TRIALS          10              /* max # of timestamp echos sent */

#define MINTOUT         360
#define MAXTOUT         900

#define GOOD            1
#define UNREACHABLE     2
#define NONSTDTIME      3
#define HOSTDOWN        0x7fffffff

#define OFF     0
#define ON      1

/*
 * Global and per-network states.
 */
#define NOMASTER        0               /* no master on any network */
#define SLAVE           1
#define MASTER          2
#define IGNORE          4
#define ALL             (SLAVE|MASTER|IGNORE)
#define SUBMASTER       (SLAVE|MASTER)

#define NHOSTS          100     /* max number of hosts controlled by timed */

struct host {
        char *name;
        struct sockaddr_in addr;
        long delta;
        u_short seq;
};

struct netinfo {
        struct netinfo *next;
        u_long net;
        u_long mask;
        struct in_addr my_addr;
        struct sockaddr_in dest_addr;   /* broadcast addr or point-point */
        long status;
};

extern struct netinfo *nettab;
extern int status;
extern int trace;
extern int sock;
extern struct sockaddr_in from;
extern struct netinfo *fromnet, *slavenet;
extern FILE *fd;
extern char hostname[];
extern char tracefile[];
extern struct host hp[];
extern int backoff;
extern long delay1, delay2;
extern int slvcount;
extern int nslavenets;          /* Number of nets were I could be a slave */
extern int nmasternets;         /* Number of nets were I could be a master */
extern int nignorednets;        /* Number of ignored nets */
extern int nnets;               /* Number of nets I am connected to */

char *strcpy(), *malloc();