1 /* $FreeBSD: src/share/examples/ses/srcs/sesd.c,v 1.1 2000/02/29 05:44:18 mjacob Exp $ */ 2 /* $DragonFly: src/share/examples/ses/srcs/sesd.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 <string.h> 41 #include <syslog.h> 42 #include <sys/ioctl.h> 43 #include SESINC 44 45 #define ALLSTAT (SES_ENCSTAT_UNRECOV | SES_ENCSTAT_CRITICAL | \ 46 SES_ENCSTAT_NONCRITICAL | SES_ENCSTAT_INFO) 47 48 /* 49 * Monitor named SES devices and note (via syslog) any changes in status. 50 */ 51 52 int 53 main(a, v) 54 int a; 55 char **v; 56 { 57 static char *usage = 58 "usage: %s [ -d ] [ -t pollinterval ] device [ device ]\n"; 59 int fd, polltime, dev, devbase, nodaemon, bpri; 60 ses_encstat stat, *carray; 61 62 if (a < 2) { 63 fprintf(stderr, usage, *v); 64 return (1); 65 } 66 67 devbase = 1; 68 69 if (strcmp(v[1], "-d") == 0) { 70 nodaemon = 1; 71 devbase++; 72 } else { 73 nodaemon = 0; 74 } 75 76 if (a > 2 && strcmp(v[2], "-t") == 0) { 77 devbase += 2; 78 polltime = atoi(v[3]); 79 } else { 80 polltime = 30; 81 } 82 83 carray = malloc(a); 84 if (carray == NULL) { 85 perror("malloc"); 86 return (1); 87 } 88 for (dev = devbase; dev < a; dev++) 89 carray[dev] = (ses_encstat) -1; 90 91 /* 92 * Check to make sure we can open all devices 93 */ 94 for (dev = devbase; dev < a; dev++) { 95 fd = open(v[dev], O_RDWR); 96 if (fd < 0) { 97 perror(v[dev]); 98 return (1); 99 } 100 if (ioctl(fd, SESIOC_INIT, NULL) < 0) { 101 fprintf(stderr, "%s: SESIOC_INIT fails- %s\n", 102 v[dev], strerror(errno)); 103 return (1); 104 } 105 (void) close(fd); 106 } 107 if (nodaemon == 0) { 108 if (daemon(0, 0) < 0) { 109 perror("daemon"); 110 return (1); 111 } 112 openlog("sesd", LOG_CONS, LOG_USER); 113 } else { 114 openlog("sesd", LOG_CONS|LOG_PERROR, LOG_USER); 115 } 116 117 for (;;) { 118 for (dev = devbase; dev < a; dev++) { 119 char buf[128]; 120 fd = open(v[dev], O_RDWR); 121 if (fd < 0) { 122 syslog(LOG_ERR, "%s: %m", v[dev]); 123 continue; 124 } 125 126 /* 127 * Get the actual current enclosure status. 128 */ 129 if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) { 130 syslog(LOG_ERR, 131 "%s: SESIOC_GETENCSTAT- %m", v[dev]); 132 (void) close(fd); 133 continue; 134 } 135 (void) close(fd); 136 137 if (stat == carray[dev]) 138 continue; 139 140 carray[dev] = stat; 141 if ((stat & ALLSTAT) == 0) { 142 syslog(LOG_NOTICE, 143 "%s: Enclosure Status OK", v[dev]); 144 } 145 if (stat & SES_ENCSTAT_INFO) { 146 syslog(LOG_INFO, 147 "%s: Enclosure Status Has Information", 148 v[dev]); 149 } 150 if (stat & SES_ENCSTAT_NONCRITICAL) { 151 syslog(LOG_WARNING, 152 "%s: Enclosure Non-Critical", v[dev]); 153 } 154 if (stat & SES_ENCSTAT_CRITICAL) { 155 syslog(LOG_CRIT, 156 "%s: Enclosure Critical", v[dev]); 157 } 158 if (stat & SES_ENCSTAT_UNRECOV) { 159 syslog(LOG_ALERT, 160 "%s: Enclosure Unrecoverable", v[dev]); 161 } 162 } 163 sleep(polltime); 164 } 165 /* NOTREACHED */ 166 } 167