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(a, v) 53 int a; 54 char **v; 55 { 56 static char *usage = 57 "usage: %s [ -d ] [ -t pollinterval ] device [ device ]\n"; 58 int fd, polltime, dev, devbase, nodaemon, bpri; 59 ses_encstat stat, *carray; 60 61 if (a < 2) { 62 fprintf(stderr, usage, *v); 63 return (1); 64 } 65 66 devbase = 1; 67 68 if (strcmp(v[1], "-d") == 0) { 69 nodaemon = 1; 70 devbase++; 71 } else { 72 nodaemon = 0; 73 } 74 75 if (a > 2 && strcmp(v[2], "-t") == 0) { 76 devbase += 2; 77 polltime = atoi(v[3]); 78 } else { 79 polltime = 30; 80 } 81 82 carray = malloc(a); 83 if (carray == NULL) { 84 perror("malloc"); 85 return (1); 86 } 87 for (dev = devbase; dev < a; dev++) 88 carray[dev] = (ses_encstat) -1; 89 90 /* 91 * Check to make sure we can open all devices 92 */ 93 for (dev = devbase; dev < a; dev++) { 94 fd = open(v[dev], O_RDWR); 95 if (fd < 0) { 96 perror(v[dev]); 97 return (1); 98 } 99 if (ioctl(fd, SESIOC_INIT, NULL) < 0) { 100 fprintf(stderr, "%s: SESIOC_INIT fails- %s\n", 101 v[dev], strerror(errno)); 102 return (1); 103 } 104 (void) close(fd); 105 } 106 if (nodaemon == 0) { 107 if (daemon(0, 0) < 0) { 108 perror("daemon"); 109 return (1); 110 } 111 openlog("sesd", LOG_CONS, LOG_USER); 112 } else { 113 openlog("sesd", LOG_CONS|LOG_PERROR, LOG_USER); 114 } 115 116 for (;;) { 117 for (dev = devbase; dev < a; dev++) { 118 char buf[128]; 119 fd = open(v[dev], O_RDWR); 120 if (fd < 0) { 121 syslog(LOG_ERR, "%s: %m", v[dev]); 122 continue; 123 } 124 125 /* 126 * Get the actual current enclosure status. 127 */ 128 if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) { 129 syslog(LOG_ERR, 130 "%s: SESIOC_GETENCSTAT- %m", v[dev]); 131 (void) close(fd); 132 continue; 133 } 134 (void) close(fd); 135 136 if (stat == carray[dev]) 137 continue; 138 139 carray[dev] = stat; 140 if ((stat & ALLSTAT) == 0) { 141 syslog(LOG_NOTICE, 142 "%s: Enclosure Status OK", v[dev]); 143 } 144 if (stat & SES_ENCSTAT_INFO) { 145 syslog(LOG_INFO, 146 "%s: Enclosure Status Has Information", 147 v[dev]); 148 } 149 if (stat & SES_ENCSTAT_NONCRITICAL) { 150 syslog(LOG_WARNING, 151 "%s: Enclosure Non-Critical", v[dev]); 152 } 153 if (stat & SES_ENCSTAT_CRITICAL) { 154 syslog(LOG_CRIT, 155 "%s: Enclosure Critical", v[dev]); 156 } 157 if (stat & SES_ENCSTAT_UNRECOV) { 158 syslog(LOG_ALERT, 159 "%s: Enclosure Unrecoverable", v[dev]); 160 } 161 } 162 sleep(polltime); 163 } 164 /* NOTREACHED */ 165 } 166