/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/types.h>
#include <sys/time.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <values.h>
#include <locale.h>
#include <sys/stat.h>
#include <strings.h>
#include <stdarg.h>
#include <sys/param.h>
#include <sys/nsctl/nsctl.h>
#include <sys/unistat/spcs_s.h>
#include <sys/unistat/spcs_s_u.h>
#include <sys/unistat/spcs_errors.h>
#define MAX_SESSION_LOG (10 * 1024 * 1024) /* allowable log file size */
static char sessionlog[] = "/var/adm/ds.log";
static char sessionlog_bak[] = "/var/adm/ds.log.bak";
static char *spcstime();
void
spcs_log(const char *product, spcs_s_info_t *status, const char *format, ...)
{
struct stat st;
FILE *fp = NULL;
struct flock lk;
va_list ap;
bzero(&lk, sizeof (lk));
/*
* check the file size, if > than MAX_SESSION_LOG bytes make a .bak
* and truncate
*/
if (stat(sessionlog, &st) == 0) {
if (st.st_size > MAX_SESSION_LOG) {
rename(sessionlog, sessionlog_bak);
}
}
va_start(ap, format);
if ((fp = fopen(sessionlog, "a")) == (FILE *)NULL)
goto fail;
lk.l_type = F_WRLCK;
lk.l_whence = SEEK_SET;
lk.l_start = (off_t)0;
lk.l_len = (off_t)0;
if (fcntl(fileno(fp), F_SETLKW, &lk) < 0)
goto fail;
fprintf(fp, "%s %s: ", spcstime(), product);
(void) vfprintf(fp, format, ap);
fputs("\n", fp);
if (status)
spcs_s_report(*status, fp);
fflush(fp);
lk.l_type = F_UNLCK;
(void) fcntl(fileno(fp), F_SETLKW, &lk);
fail:
if (fp)
fclose(fp);
va_end(ap);
}
/*
* spcstime(): gets current time
*/
static char *
spcstime()
{
static char timeptr[20];
time_t tnow;
tnow = time((time_t *)0);
cftime(timeptr, "%b %d %T", &tnow);
return (timeptr);
}