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/* $NetBSD: $ */
/* $FreeBSD: $ */
/* $OpenBSD: sesd.c,v 1.3 2002/02/16 21:28:09 millert Exp $ */
/*
* Copyright (c) 2000 by Matthew Jacob
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* the GNU Public License ("GPL").
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Matthew Jacob
* Feral Software
* mjacob@feral.com
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <syslog.h>
#include <sys/ioctl.h>
#include SESINC
#define ALLSTAT (SES_ENCSTAT_UNRECOV | SES_ENCSTAT_CRITICAL | \
SES_ENCSTAT_NONCRITICAL | SES_ENCSTAT_INFO)
int main(int, char **);
/*
* Monitor named SES devices and note (via syslog) any changes in status.
*/
int
main(a, v)
int a;
char **v;
{
static char *usage =
"usage: %s [ -d ] [ -t pollinterval ] device [ device ]\n";
int fd, polltime, dev, devbase, nodaemon;
ses_encstat stat, *carray;
if (a < 2) {
fprintf(stderr, usage, *v);
return (1);
}
devbase = 1;
if (strcmp(v[1], "-d") == 0) {
nodaemon = 1;
devbase++;
} else {
nodaemon = 0;
}
if (a > 2 && strcmp(v[2], "-t") == 0) {
devbase += 2;
polltime = atoi(v[3]);
} else {
polltime = 30;
}
carray = malloc(a);
if (carray == NULL) {
perror("malloc");
return (1);
}
for (dev = devbase; dev < a; dev++)
carray[dev] = (ses_encstat) -1;
/*
* Check to make sure we can open all devices
*/
for (dev = devbase; dev < a; dev++) {
fd = open(v[dev], O_RDWR);
if (fd < 0) {
perror(v[dev]);
return (1);
}
if (ioctl(fd, SESIOC_INIT, NULL) < 0) {
fprintf(stderr, "%s: SESIOC_INIT fails- %s\n",
v[dev], strerror(errno));
return (1);
}
(void) close(fd);
}
if (nodaemon == 0) {
if (daemon(0, 0) < 0) {
perror("daemon");
return (1);
}
openlog("sesd", LOG_CONS, LOG_USER);
} else {
openlog("sesd", LOG_CONS|LOG_PERROR, LOG_USER);
}
for (;;) {
for (dev = devbase; dev < a; dev++) {
fd = open(v[dev], O_RDWR);
if (fd < 0) {
syslog(LOG_ERR, "%s: %m", v[dev]);
continue;
}
/*
* Get the actual current enclosure status.
*/
if (ioctl(fd, SESIOC_GETENCSTAT, (caddr_t) &stat) < 0) {
syslog(LOG_ERR,
"%s: SESIOC_GETENCSTAT- %m", v[dev]);
(void) close(fd);
continue;
}
(void) close(fd);
if (stat == carray[dev])
continue;
carray[dev] = stat;
if ((stat & ALLSTAT) == 0) {
syslog(LOG_NOTICE,
"%s: Enclosure Status OK", v[dev]);
}
if (stat & SES_ENCSTAT_INFO) {
syslog(LOG_INFO,
"%s: Enclosure Status Has Information",
v[dev]);
}
if (stat & SES_ENCSTAT_NONCRITICAL) {
syslog(LOG_WARNING,
"%s: Enclosure Non-Critical", v[dev]);
}
if (stat & SES_ENCSTAT_CRITICAL) {
syslog(LOG_CRIT,
"%s: Enclosure Critical", v[dev]);
}
if (stat & SES_ENCSTAT_UNRECOV) {
syslog(LOG_ALERT,
"%s: Enclosure Unrecoverable", v[dev]);
}
}
sleep(polltime);
}
/* NOTREACHED */
}
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