129 lines
3.7 KiB
C
129 lines
3.7 KiB
C
/* $NetBSD: chpmon.c,v 1.3 2018/01/23 21:06:26 sevan Exp $ */
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/* $FreeBSD: src/share/examples/ses/chpmon.c,v 1.1 2000/01/15 22:47:16 mjacob Exp $ */
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/*
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* Copyright (c) 2000 by Matthew Jacob
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* the GNU Public License ("GPL").
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Matthew Jacob
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* Feral Software
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* mjacob@feral.com
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include "ses.h"
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/*
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* Continuously monitor all named SES devices
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* and turn all but INFO enclosure status
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* values into CRITICAL enclosure status.
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*/
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#define BADSTAT \
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(SES_ENCSTAT_UNRECOV|SES_ENCSTAT_CRITICAL|SES_ENCSTAT_NONCRITICAL)
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int
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main(int a, char *v[])
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{
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int fd, delay, dev;
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ses_encstat stat, *carray;
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if (a < 3) {
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fprintf(stderr, "usage: %s polling-interval device "
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"[ device ... ]\n", *v);
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return (1);
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}
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delay = atoi(v[1]);
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carray = malloc(a);
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if (carray == NULL) {
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perror("malloc");
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return (1);
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}
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bzero((void *)carray, a);
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for (;;) {
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for (dev = 2; dev < a; dev++) {
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fd = open(v[dev], O_RDWR);
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if (fd < 0) {
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perror(v[dev]);
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continue;
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}
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/*
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* First clear any enclosure status, in case it is
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* a latched status.
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*/
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stat = 0;
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if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
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fprintf(stderr, "%s: SESIOC_SETENCSTAT1: %s\n",
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v[dev], strerror(errno));
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(void) close(fd);
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continue;
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}
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/*
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* Now get the actual current enclosure status.
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*/
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if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) {
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fprintf(stderr, "%s: SESIOC_GETENCSTAT: %s\n",
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v[dev], strerror(errno));
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(void) close(fd);
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continue;
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}
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if ((stat & BADSTAT) == 0) {
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if (carray[dev]) {
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fprintf(stdout, "%s: Clearing CRITICAL "
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"condition\n", v[dev]);
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carray[dev] = 0;
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}
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(void) close(fd);
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continue;
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}
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carray[dev] = 1;
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fprintf(stdout, "%s: Setting CRITICAL from:", v[dev]);
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if (stat & SES_ENCSTAT_UNRECOV)
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fprintf(stdout, " UNRECOVERABLE");
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if (stat & SES_ENCSTAT_CRITICAL)
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fprintf(stdout, " CRITICAL");
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if (stat & SES_ENCSTAT_NONCRITICAL)
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fprintf(stdout, " NONCRITICAL");
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putchar('\n');
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stat = SES_ENCSTAT_CRITICAL;
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if (ioctl(fd, SESIOC_SETENCSTAT, (caddr_t) &stat) < 0) {
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fprintf(stderr, "%s: SESIOC_SETENCSTAT 2: %s\n",
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v[dev], strerror(errno));
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}
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(void) close(fd);
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}
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sleep(delay);
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}
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/* NOTREACHED */
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}
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