sendmail/aux/mailstats.c

/*
 * Copyright (c) 1983 Eric P. Allman
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1988 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)mailstats.c 5.5 (Berkeley) 6/29/88";
#endif /* not lint */

#include <sys/file.h>
#include <sendmail.h>
#include <mailstats.h>

main(argc, argv)
        int argc;
        char **argv;
{
        extern char *optarg;
        extern int optind;
        struct statistics stat;
        register int i;
        int ch, fd;
        char *sfile, *ctime();

        sfile = "/usr/lib/sendmail.st";
        while ((ch = getopt(argc, argv, "f:")) != EOF)
                switch((char)ch) {
                case 'f':
                        sfile = optarg;
                        break;
                case '?':
                default:
                        fputs("usage: mailstats [-f file]\n", stderr);
                        exit(EX_USAGE);
                }
        argc -= optind;
        argv += optind;

        if ((fd = open(sfile, O_RDONLY)) < 0) {
                fputs("mailstats: ", stderr);
                perror(sfile);
                exit(EX_NOINPUT);
        }
        if (read(fd, &stat, sizeof(stat)) != sizeof(stat) ||
            stat.stat_size != sizeof(stat)) {
                fputs("mailstats: file size changed.\n", stderr);
                exit(EX_OSERR);
        }

        printf("Statistics from %s", ctime(&stat.stat_itime));
        printf(" M msgsfr bytes_from  msgsto   bytes_to\n");
        for (i = 0; i < MAXMAILERS; i++)
                if (stat.stat_nf[i] || stat.stat_nt[i])
                        printf("%2d %6ld %10ldK %6ld %10ldK\n", i,
                            stat.stat_nf[i], stat.stat_bf[i],
                            stat.stat_nt[i], stat.stat_bt[i]);
        exit(0);
}