1 /* $FreeBSD: src/share/examples/ses/srcs/chpmon.c,v 1.1 2000/02/29 05:44:16 mjacob Exp $ */
2 /* $DragonFly: src/share/examples/ses/srcs/chpmon.c,v 1.2 2003/06/17 04:36:58 dillon 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 int
main(a,v)51 main(a, v)
52 int a;
53 char **v;
54 {
55 int fd, delay, dev;
56 ses_encstat stat, *carray;
57
58 if (a < 3) {
59 fprintf(stderr, "usage: %s polling-interval device "
60 "[ device ... ]\n", *v);
61 return (1);
62 }
63 delay = atoi(v[1]);
64 carray = malloc(a);
65 if (carray == NULL) {
66 perror("malloc");
67 return (1);
68 }
69 bzero((void *)carray, a);
70
71 for (;;) {
72 for (dev = 2; dev < a; dev++) {
73 fd = open(v[dev], O_RDWR);
74 if (fd < 0) {
75 perror(v[dev]);
76 continue;
77 }
78 /*
79 * First clear any enclosure status, in case it is
80 * a latched status.
81 */
82 stat = 0;
83 if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
84 fprintf(stderr, "%s: SESIOC_SETENCSTAT1: %s\n",
85 v[dev], strerror(errno));
86 (void) close(fd);
87 continue;
88 }
89 /*
90 * Now get the actual current enclosure status.
91 */
92 if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) {
93 fprintf(stderr, "%s: SESIOC_GETENCSTAT: %s\n",
94 v[dev], strerror(errno));
95 (void) close(fd);
96 continue;
97 }
98
99 if ((stat & BADSTAT) == 0) {
100 if (carray[dev]) {
101 fprintf(stdout, "%s: Clearing CRITICAL "
102 "condition\n", v[dev]);
103 carray[dev] = 0;
104 }
105 (void) close(fd);
106 continue;
107 }
108 carray[dev] = 1;
109 fprintf(stdout, "%s: Setting CRITICAL from:", v[dev]);
110 if (stat & SES_ENCSTAT_UNRECOV)
111 fprintf(stdout, " UNRECOVERABLE");
112
113 if (stat & SES_ENCSTAT_CRITICAL)
114 fprintf(stdout, " CRITICAL");
115
116 if (stat & SES_ENCSTAT_NONCRITICAL)
117 fprintf(stdout, " NONCRITICAL");
118 putchar('\n');
119 stat = SES_ENCSTAT_CRITICAL;
120 if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
121 fprintf(stderr, "%s: SESIOC_SETENCSTAT 2: %s\n",
122 v[dev], strerror(errno));
123 }
124 (void) close(fd);
125 }
126 sleep(delay);
127 }
128 /* NOTREACHED */
129 }
130