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