/*
 * 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, 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.
 *
 */

#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	5.7 (Berkeley) 6/1/90";
#endif /* not lint */

#include <sys/file.h>
#include <sendmail.h>
#include <mailstats.h>
#include "pathnames.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 = _PATH_MAILSTATS;
	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);
}