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Annotation of 43BSDTahoe/etc/timed/globals.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  *
                     17:  *     @(#)globals.h   2.6 (Berkeley) 6/18/88
                     18:  */
                     19: 
                     20: #include <sys/param.h>
                     21: #include <stdio.h>
                     22: #include <sys/time.h>
                     23: #include <errno.h>
                     24: #include <syslog.h>
                     25: #include <sys/socket.h>
                     26: #include <netinet/in.h>
                     27: #include <netdb.h>
                     28: #include <arpa/inet.h>
                     29: 
                     30: extern int errno;
                     31: extern int sock;
                     32: 
                     33: #define SAMPLEINTVL    240             /* synch() freq for master, sec */
                     34: #define        MAXADJ          20              /* max correction (sec) for adjtime */
                     35: /*
                     36:  * Parameters for network time measurement
                     37:  * of each host using ICMP timestamp requests.
                     38:  */
                     39: #define RANGE          20              /* best expected round-trip time, ms */
                     40: #define MSGS           5               /* # of timestamp replies to average */
                     41: #define TRIALS         10              /* max # of timestamp echos sent */
                     42: 
                     43: #define MINTOUT                360
                     44: #define MAXTOUT                900
                     45: 
                     46: #define GOOD           1
                     47: #define UNREACHABLE    2
                     48: #define NONSTDTIME     3
                     49: #define HOSTDOWN       0x7fffffff
                     50: 
                     51: #define OFF    0
                     52: #define ON     1
                     53: 
                     54: /*
                     55:  * Global and per-network states.
                     56:  */
                     57: #define NOMASTER       0               /* no master on any network */
                     58: #define SLAVE          1
                     59: #define MASTER         2
                     60: #define IGNORE         4
                     61: #define ALL            (SLAVE|MASTER|IGNORE)
                     62: #define SUBMASTER      (SLAVE|MASTER)
                     63: 
                     64: #define NHOSTS         100     /* max number of hosts controlled by timed */
                     65: 
                     66: struct host {
                     67:        char *name;
                     68:        struct sockaddr_in addr;
                     69:        long delta;
                     70:        u_short seq;
                     71: };
                     72: 
                     73: struct netinfo {
                     74:        struct netinfo *next;
                     75:        u_long net;
                     76:        u_long mask;
                     77:        struct in_addr my_addr;
                     78:        struct sockaddr_in dest_addr;   /* broadcast addr or point-point */
                     79:        long status;
                     80: };
                     81: 
                     82: extern struct netinfo *nettab;
                     83: extern int status;
                     84: extern int trace;
                     85: extern int sock;
                     86: extern struct sockaddr_in from;
                     87: extern struct netinfo *fromnet, *slavenet;
                     88: extern FILE *fd;
                     89: extern char hostname[];
                     90: extern char tracefile[];
                     91: extern struct host hp[];
                     92: extern int backoff;
                     93: extern long delay1, delay2;
                     94: extern int slvcount;
                     95: extern int nslavenets;         /* Number of nets were I could be a slave */
                     96: extern int nmasternets;                /* Number of nets were I could be a master */
                     97: extern int nignorednets;       /* Number of ignored nets */
                     98: extern int nnets;              /* Number of nets I am connected to */
                     99: 
                    100: char *strcpy(), *malloc();

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