1 /* $NetBSD: chpmon.c,v 1.2 2000/02/22 06:06:07 mjacob 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 __P((int, char **)); 52 53 int 54 main(a, v) 55 int a; 56 char **v; 57 { 58 int fd, delay, dev; 59 ses_encstat stat, *carray; 60 61 if (a < 3) { 62 fprintf(stderr, "usage: %s polling-interval device " 63 "[ device ... ]\n", *v); 64 return (1); 65 } 66 delay = atoi(v[1]); 67 carray = malloc(a); 68 if (carray == NULL) { 69 perror("malloc"); 70 return (1); 71 } 72 bzero((void *)carray, a); 73 74 for (;;) { 75 for (dev = 2; dev < a; dev++) { 76 fd = open(v[dev], O_RDWR); 77 if (fd < 0) { 78 perror(v[dev]); 79 continue; 80 } 81 /* 82 * First clear any enclosure status, in case it is 83 * a latched status. 84 */ 85 stat = 0; 86 if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) { 87 fprintf(stderr, "%s: SESIOC_SETENCSTAT1: %s\n", 88 v[dev], strerror(errno)); 89 (void) close(fd); 90 continue; 91 } 92 /* 93 * Now get the actual current enclosure status. 94 */ 95 if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) { 96 fprintf(stderr, "%s: SESIOC_GETENCSTAT: %s\n", 97 v[dev], strerror(errno)); 98 (void) close(fd); 99 continue; 100 } 101 102 if ((stat & BADSTAT) == 0) { 103 if (carray[dev]) { 104 fprintf(stdout, "%s: Clearing CRITICAL " 105 "condition\n", v[dev]); 106 carray[dev] = 0; 107 } 108 (void) close(fd); 109 continue; 110 } 111 carray[dev] = 1; 112 fprintf(stdout, "%s: Setting CRITICAL from:", v[dev]); 113 if (stat & SES_ENCSTAT_UNRECOV) 114 fprintf(stdout, " UNRECOVERABLE"); 115 116 if (stat & SES_ENCSTAT_CRITICAL) 117 fprintf(stdout, " CRITICAL"); 118 119 if (stat & SES_ENCSTAT_NONCRITICAL) 120 fprintf(stdout, " NONCRITICAL"); 121 putchar('\n'); 122 stat = SES_ENCSTAT_CRITICAL; 123 if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) { 124 fprintf(stderr, "%s: SESIOC_SETENCSTAT 2: %s\n", 125 v[dev], strerror(errno)); 126 } 127 (void) close(fd); 128 } 129 sleep(delay); 130 } 131 /* NOTREACHED */ 132 } 133