1 /* $NetBSD: chpmon.c,v 1.3 2018/01/23 21:06:26 sevan Exp $ */
2 /* $FreeBSD: src/share/examples/ses/chpmon.c,v 1.1 2000/01/15 22:47:16 mjacob Exp $ */
3 /*
4 * Copyright (c) 2000 by Matthew Jacob
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * Alternatively, this software may be distributed under the terms of the
17 * the GNU Public License ("GPL").
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * Matthew Jacob
32 * Feral Software
33 * mjacob@feral.com
34 */
35 #include <unistd.h>
36 #include <stdlib.h>
37 #include <stdio.h>
38 #include <fcntl.h>
39 #include <errno.h>
40 #include <sys/ioctl.h>
41 #include "ses.h"
42
43 /*
44 * Continuously monitor all named SES devices
45 * and turn all but INFO enclosure status
46 * values into CRITICAL enclosure status.
47 */
48 #define BADSTAT \
49 (SES_ENCSTAT_UNRECOV|SES_ENCSTAT_CRITICAL|SES_ENCSTAT_NONCRITICAL)
50
51 int
main(int a,char * v[])52 main(int a, char *v[])
53 {
54 int fd, delay, dev;
55 ses_encstat stat, *carray;
56
57 if (a < 3) {
58 fprintf(stderr, "usage: %s polling-interval device "
59 "[ device ... ]\n", *v);
60 return (1);
61 }
62 delay = atoi(v[1]);
63 carray = malloc(a);
64 if (carray == NULL) {
65 perror("malloc");
66 return (1);
67 }
68 bzero((void *)carray, a);
69
70 for (;;) {
71 for (dev = 2; dev < a; dev++) {
72 fd = open(v[dev], O_RDWR);
73 if (fd < 0) {
74 perror(v[dev]);
75 continue;
76 }
77 /*
78 * First clear any enclosure status, in case it is
79 * a latched status.
80 */
81 stat = 0;
82 if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
83 fprintf(stderr, "%s: SESIOC_SETENCSTAT1: %s\n",
84 v[dev], strerror(errno));
85 (void) close(fd);
86 continue;
87 }
88 /*
89 * Now get the actual current enclosure status.
90 */
91 if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) {
92 fprintf(stderr, "%s: SESIOC_GETENCSTAT: %s\n",
93 v[dev], strerror(errno));
94 (void) close(fd);
95 continue;
96 }
97
98 if ((stat & BADSTAT) == 0) {
99 if (carray[dev]) {
100 fprintf(stdout, "%s: Clearing CRITICAL "
101 "condition\n", v[dev]);
102 carray[dev] = 0;
103 }
104 (void) close(fd);
105 continue;
106 }
107 carray[dev] = 1;
108 fprintf(stdout, "%s: Setting CRITICAL from:", v[dev]);
109 if (stat & SES_ENCSTAT_UNRECOV)
110 fprintf(stdout, " UNRECOVERABLE");
111
112 if (stat & SES_ENCSTAT_CRITICAL)
113 fprintf(stdout, " CRITICAL");
114
115 if (stat & SES_ENCSTAT_NONCRITICAL)
116 fprintf(stdout, " NONCRITICAL");
117 putchar('\n');
118 stat = SES_ENCSTAT_CRITICAL;
119 if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
120 fprintf(stderr, "%s: SESIOC_SETENCSTAT 2: %s\n",
121 v[dev], strerror(errno));
122 }
123 (void) close(fd);
124 }
125 sleep(delay);
126 }
127 /* NOTREACHED */
128 }
129