1 /* $NetBSD: chpmon.c,v 1.3 2018/01/23 21:06:26 sevan Exp $ */ 2 /* $FreeBSD: src/share/examples/ses/chpmon.c,v 1.1 2000/01/15 22:47:16 mjacob 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 <sys/ioctl.h> 41 #include "ses.h" 42 43 /* 44 * Continuously monitor all named SES devices 45 * and turn all but INFO enclosure status 46 * values into CRITICAL enclosure status. 47 */ 48 #define BADSTAT \ 49 (SES_ENCSTAT_UNRECOV|SES_ENCSTAT_CRITICAL|SES_ENCSTAT_NONCRITICAL) 50 51 int 52 main(int a, char *v[]) 53 { 54 int fd, delay, dev; 55 ses_encstat stat, *carray; 56 57 if (a < 3) { 58 fprintf(stderr, "usage: %s polling-interval device " 59 "[ device ... ]\n", *v); 60 return (1); 61 } 62 delay = atoi(v[1]); 63 carray = malloc(a); 64 if (carray == NULL) { 65 perror("malloc"); 66 return (1); 67 } 68 bzero((void *)carray, a); 69 70 for (;;) { 71 for (dev = 2; dev < a; dev++) { 72 fd = open(v[dev], O_RDWR); 73 if (fd < 0) { 74 perror(v[dev]); 75 continue; 76 } 77 /* 78 * First clear any enclosure status, in case it is 79 * a latched status. 80 */ 81 stat = 0; 82 if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) { 83 fprintf(stderr, "%s: SESIOC_SETENCSTAT1: %s\n", 84 v[dev], strerror(errno)); 85 (void) close(fd); 86 continue; 87 } 88 /* 89 * Now get the actual current enclosure status. 90 */ 91 if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) { 92 fprintf(stderr, "%s: SESIOC_GETENCSTAT: %s\n", 93 v[dev], strerror(errno)); 94 (void) close(fd); 95 continue; 96 } 97 98 if ((stat & BADSTAT) == 0) { 99 if (carray[dev]) { 100 fprintf(stdout, "%s: Clearing CRITICAL " 101 "condition\n", v[dev]); 102 carray[dev] = 0; 103 } 104 (void) close(fd); 105 continue; 106 } 107 carray[dev] = 1; 108 fprintf(stdout, "%s: Setting CRITICAL from:", v[dev]); 109 if (stat & SES_ENCSTAT_UNRECOV) 110 fprintf(stdout, " UNRECOVERABLE"); 111 112 if (stat & SES_ENCSTAT_CRITICAL) 113 fprintf(stdout, " CRITICAL"); 114 115 if (stat & SES_ENCSTAT_NONCRITICAL) 116 fprintf(stdout, " NONCRITICAL"); 117 putchar('\n'); 118 stat = SES_ENCSTAT_CRITICAL; 119 if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) { 120 fprintf(stderr, "%s: SESIOC_SETENCSTAT 2: %s\n", 121 v[dev], strerror(errno)); 122 } 123 (void) close(fd); 124 } 125 sleep(delay); 126 } 127 /* NOTREACHED */ 128 } 129