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Diffstat (limited to 'share/examples/ses/srcs/sesd.c')
| -rw-r--r-- | share/examples/ses/srcs/sesd.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/share/examples/ses/srcs/sesd.c b/share/examples/ses/srcs/sesd.c new file mode 100644 index 000000000000..9a6cb8cfe34a --- /dev/null +++ b/share/examples/ses/srcs/sesd.c @@ -0,0 +1,176 @@ +/* + * 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 <stddef.h> +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <errno.h> +#include <string.h> +#include <syslog.h> +#include <unistd.h> +#include <sys/ioctl.h> +#include <cam/scsi/scsi_all.h> +#include <cam/scsi/scsi_enc.h> + +#define ALLSTAT (SES_ENCSTAT_UNRECOV | SES_ENCSTAT_CRITICAL | \ + SES_ENCSTAT_NONCRITICAL | SES_ENCSTAT_INFO) + +/* + * Monitor named SES devices and note (via syslog) any changes in status. + */ + +int +main(int a, char **v) +{ + static const char *usage = + "usage: %s [ -c ] [ -d ] [ -t pollinterval ] device [ device ]\n"; + int fd, polltime, dev, nodaemon, clear, c; + encioc_enc_status_t stat, nstat, *carray; + + if (a < 2) { + fprintf(stderr, usage, *v); + return (1); + } + + nodaemon = 0; + polltime = 30; + clear = 0; + while ((c = getopt(a, v, "cdt:")) != -1) { + switch (c) { + case 'c': + clear = 1; + break; + case 'd': + nodaemon = 1; + break; + case 't': + polltime = atoi(optarg); + break; + default: + fprintf(stderr, usage, *v); + return (1); + } + } + + carray = malloc(a); + if (carray == NULL) { + perror("malloc"); + return (1); + } + for (dev = optind; dev < a; dev++) + carray[dev] = (encioc_enc_status_t) -1; + + /* + * Check to make sure we can open all devices + */ + for (dev = optind; dev < a; dev++) { + fd = open(v[dev], O_RDWR); + if (fd < 0) { + perror(v[dev]); + return (1); + } + if (ioctl(fd, ENCIOC_INIT, NULL) < 0) { + fprintf(stderr, "%s: ENCIOC_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 = optind; 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, ENCIOC_GETENCSTAT, (caddr_t) &stat) < 0) { + syslog(LOG_ERR, + "%s: ENCIOC_GETENCSTAT- %m", v[dev]); + (void) close(fd); + continue; + } + if (stat != 0 && clear) { + nstat = 0; + if (ioctl(fd, ENCIOC_SETENCSTAT, + (caddr_t) &nstat) < 0) { + syslog(LOG_ERR, + "%s: ENCIOC_SETENCSTAT- %m", v[dev]); + } + } + (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_NOTICE, + "%s: Enclosure 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 */ +} |