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)
48 int
main(int a,char ** v)49 main(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