1 /* $NetBSD: sesd.c,v 1.6 2011/01/04 10:10:39 wiz Exp $ */ 2 /* $FreeBSD: $ */ 3 /* $OpenBSD: $ */ 4 /* 5 * Copyright (c) 2000 by Matthew Jacob 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * Alternatively, this software may be distributed under the terms of the 18 * the GNU Public License ("GPL"). 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * Matthew Jacob 33 * Feral Software 34 * mjacob@feral.com 35 */ 36 #include <unistd.h> 37 #include <stdlib.h> 38 #include <stdio.h> 39 #include <fcntl.h> 40 #include <errno.h> 41 #include <string.h> 42 #include <syslog.h> 43 #include <sys/ioctl.h> 44 #include SESINC 45 46 #define ALLSTAT (SES_ENCSTAT_UNRECOV | SES_ENCSTAT_CRITICAL | \ 47 SES_ENCSTAT_NONCRITICAL | SES_ENCSTAT_INFO) 48 int main __P((int, char **)); 49 50 /* 51 * Monitor named SES devices and note (via syslog) any changes in status. 52 */ 53 54 int 55 main(a, v) 56 int a; 57 char **v; 58 { 59 static const char usage[] = 60 "usage: %s [ -d ] [ -t pollinterval ] device [ device ]\n"; 61 int fd, polltime, dev, devbase, nodaemon; 62 ses_encstat sestat, *carray; 63 64 if (a < 2) { 65 fprintf(stderr, usage, *v); 66 return (1); 67 } 68 69 devbase = 1; 70 71 if (strcmp(v[1], "-d") == 0) { 72 nodaemon = 1; 73 devbase++; 74 } else { 75 nodaemon = 0; 76 } 77 78 if (a > 2 && strcmp(v[2], "-t") == 0) { 79 devbase += 2; 80 polltime = atoi(v[3]); 81 } else { 82 polltime = 30; 83 } 84 85 carray = malloc(a); 86 if (carray == NULL) { 87 perror("malloc"); 88 return (1); 89 } 90 for (dev = devbase; dev < a; dev++) 91 carray[dev] = (ses_encstat) -1; 92 93 /* 94 * Check to make sure we can open all devices 95 */ 96 for (dev = devbase; dev < a; dev++) { 97 fd = open(v[dev], O_RDWR); 98 if (fd < 0) { 99 perror(v[dev]); 100 return (1); 101 } 102 if (ioctl(fd, SESIOC_INIT, NULL) < 0) { 103 fprintf(stderr, "%s: SESIOC_INIT fails- %s\n", 104 v[dev], strerror(errno)); 105 (void) close(fd); 106 return (1); 107 } 108 (void) close(fd); 109 } 110 if (nodaemon == 0) { 111 if (daemon(0, 0) < 0) { 112 perror("daemon"); 113 return (1); 114 } 115 openlog("sesd", 0, LOG_USER); 116 } else { 117 openlog("sesd", LOG_PERROR, LOG_USER); 118 } 119 120 for (;;) { 121 for (dev = devbase; dev < a; dev++) { 122 fd = open(v[dev], O_RDWR); 123 if (fd < 0) { 124 syslog(LOG_ERR, "%s: %m", v[dev]); 125 continue; 126 } 127 128 /* 129 * Get the actual current enclosure status. 130 */ 131 if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &sestat) < 0) { 132 syslog(LOG_ERR, 133 "%s: SESIOC_GETENCSTAT- %m", v[dev]); 134 (void) close(fd); 135 continue; 136 } 137 (void) close(fd); 138 139 if (sestat == carray[dev]) 140 continue; 141 142 carray[dev] = sestat; 143 if ((sestat & ALLSTAT) == 0) { 144 syslog(LOG_NOTICE, 145 "%s: Enclosure Status OK", v[dev]); 146 } 147 if (sestat & SES_ENCSTAT_INFO) { 148 syslog(LOG_INFO, 149 "%s: Enclosure Status Has Information", 150 v[dev]); 151 } 152 if (sestat & SES_ENCSTAT_NONCRITICAL) { 153 syslog(LOG_WARNING, 154 "%s: Enclosure Non-Critical", v[dev]); 155 } 156 if (sestat & SES_ENCSTAT_CRITICAL) { 157 syslog(LOG_CRIT, 158 "%s: Enclosure Critical", v[dev]); 159 } 160 if (sestat & SES_ENCSTAT_UNRECOV) { 161 syslog(LOG_ALERT, 162 "%s: Enclosure Unrecoverable", v[dev]); 163 } 164 } 165 sleep(polltime); 166 } 167 /* NOTREACHED */ 168 } 169