1/* $FreeBSD$ */
2/*
3 * Copyright (c) 2000 by Matthew Jacob
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions, and the following disclaimer,
11 *    without modification, immediately at the beginning of the file.
12 * 2. The name of the author may not be used to endorse or promote products
13 *    derived from this software without specific prior written permission.
14 *
15 * Alternatively, this software may be distributed under the terms of the
16 * the GNU Public License ("GPL").
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * Matthew Jacob
31 * Feral Software
32 * mjacob@feral.com
33 */
34#include <unistd.h>
35#include <stdlib.h>
36#include <stdio.h>
37#include <fcntl.h>
38#include <errno.h>
39#include <sys/ioctl.h>
40#include "ses.h"
41
42/*
43 * Continuously monitor all named SES devices
44 * and turn all but INFO enclosure status
45 * values into CRITICAL enclosure status.
46 */
47#define	BADSTAT	\
48	(SES_ENCSTAT_UNRECOV|SES_ENCSTAT_CRITICAL|SES_ENCSTAT_NONCRITICAL)
49int
50main(int a, char **v)
51{
52	int fd, delay, dev;
53	ses_encstat stat, *carray;
54
55	if (a < 3) {
56		fprintf(stderr, "usage: %s polling-interval device "
57		    "[ device ... ]\n", *v);
58		return (1);
59	}
60	delay = atoi(v[1]);
61	carray = malloc(a);
62	if (carray == NULL) {
63		perror("malloc");
64		return (1);
65	}
66	bzero((void *)carray, a);
67
68	for (;;) {
69		for (dev = 2; dev < a; dev++) {
70			fd = open(v[dev], O_RDWR);
71			if (fd < 0) {
72				perror(v[dev]);
73				continue;
74			}
75			/*
76			 * First clear any enclosure status, in case it is
77			 * a latched status.
78			 */
79			stat = 0;
80			if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
81				fprintf(stderr, "%s: SESIOC_SETENCSTAT1: %s\n",
82				    v[dev], strerror(errno));
83				(void) close(fd);
84				continue;
85			}
86			/*
87			 * Now get the actual current enclosure status.
88			 */
89			if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) {
90				fprintf(stderr, "%s: SESIOC_GETENCSTAT: %s\n",
91				    v[dev], strerror(errno));
92				(void) close(fd);
93				continue;
94			}
95
96			if ((stat & BADSTAT) == 0) {
97				if (carray[dev]) {
98					fprintf(stdout, "%s: Clearing CRITICAL "
99					    "condition\n", v[dev]);
100					carray[dev] = 0;
101				}
102				(void) close(fd);
103				continue;
104			}
105			carray[dev] = 1;
106			fprintf(stdout, "%s: Setting CRITICAL from:", v[dev]);
107			if (stat & SES_ENCSTAT_UNRECOV)
108				fprintf(stdout, " UNRECOVERABLE");
109
110			if (stat & SES_ENCSTAT_CRITICAL)
111				fprintf(stdout, " CRITICAL");
112
113			if (stat & SES_ENCSTAT_NONCRITICAL)
114				fprintf(stdout, " NONCRITICAL");
115			putchar('\n');
116			stat = SES_ENCSTAT_CRITICAL;
117			if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
118				fprintf(stderr, "%s: SESIOC_SETENCSTAT 2: %s\n",
119				    v[dev], strerror(errno));
120			}
121			(void) close(fd);
122		}
123		sleep(delay);
124	}
125	/* NOTREACHED */
126}
127