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 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