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