1 /* 2 * Copyright (c) 2000 by Matthew Jacob 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions, and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission. 13 * 14 * Alternatively, this software may be distributed under the terms of the 15 * the GNU Public License ("GPL"). 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * Matthew Jacob 30 * Feral Software 31 * mjacob@feral.com 32 */ 33 #include <unistd.h> 34 #include <stdlib.h> 35 #include <stdio.h> 36 #include <fcntl.h> 37 #include <errno.h> 38 #include <sys/ioctl.h> 39 #include "ses.h" 40 41 /* 42 * Continuously monitor all named SES devices 43 * and turn all but INFO enclosure status 44 * values into CRITICAL enclosure status. 45 */ 46 #define BADSTAT \ 47 (SES_ENCSTAT_UNRECOV|SES_ENCSTAT_CRITICAL|SES_ENCSTAT_NONCRITICAL) 48 int 49 main(int a, char **v) 50 { 51 int fd, delay, dev; 52 ses_encstat stat, *carray; 53 54 if (a < 3) { 55 fprintf(stderr, "usage: %s polling-interval device " 56 "[ device ... ]\n", *v); 57 return (1); 58 } 59 delay = atoi(v[1]); 60 carray = malloc(a); 61 if (carray == NULL) { 62 perror("malloc"); 63 return (1); 64 } 65 bzero((void *)carray, a); 66 67 for (;;) { 68 for (dev = 2; dev < a; dev++) { 69 fd = open(v[dev], O_RDWR); 70 if (fd < 0) { 71 perror(v[dev]); 72 continue; 73 } 74 /* 75 * First clear any enclosure status, in case it is 76 * a latched status. 77 */ 78 stat = 0; 79 if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) { 80 fprintf(stderr, "%s: SESIOC_SETENCSTAT1: %s\n", 81 v[dev], strerror(errno)); 82 (void) close(fd); 83 continue; 84 } 85 /* 86 * Now get the actual current enclosure status. 87 */ 88 if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) { 89 fprintf(stderr, "%s: SESIOC_GETENCSTAT: %s\n", 90 v[dev], strerror(errno)); 91 (void) close(fd); 92 continue; 93 } 94 95 if ((stat & BADSTAT) == 0) { 96 if (carray[dev]) { 97 fprintf(stdout, "%s: Clearing CRITICAL " 98 "condition\n", v[dev]); 99 carray[dev] = 0; 100 } 101 (void) close(fd); 102 continue; 103 } 104 carray[dev] = 1; 105 fprintf(stdout, "%s: Setting CRITICAL from:", v[dev]); 106 if (stat & SES_ENCSTAT_UNRECOV) 107 fprintf(stdout, " UNRECOVERABLE"); 108 109 if (stat & SES_ENCSTAT_CRITICAL) 110 fprintf(stdout, " CRITICAL"); 111 112 if (stat & SES_ENCSTAT_NONCRITICAL) 113 fprintf(stdout, " NONCRITICAL"); 114 putchar('\n'); 115 stat = SES_ENCSTAT_CRITICAL; 116 if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) { 117 fprintf(stderr, "%s: SESIOC_SETENCSTAT 2: %s\n", 118 v[dev], strerror(errno)); 119 } 120 (void) close(fd); 121 } 122 sleep(delay); 123 } 124 /* NOTREACHED */ 125 } 126