1*fcf3ce44SJohn Forte /*
2*fcf3ce44SJohn Forte * CDDL HEADER START
3*fcf3ce44SJohn Forte *
4*fcf3ce44SJohn Forte * The contents of this file are subject to the terms of the
5*fcf3ce44SJohn Forte * Common Development and Distribution License (the "License").
6*fcf3ce44SJohn Forte * You may not use this file except in compliance with the License.
7*fcf3ce44SJohn Forte *
8*fcf3ce44SJohn Forte * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*fcf3ce44SJohn Forte * or http://www.opensolaris.org/os/licensing.
10*fcf3ce44SJohn Forte * See the License for the specific language governing permissions
11*fcf3ce44SJohn Forte * and limitations under the License.
12*fcf3ce44SJohn Forte *
13*fcf3ce44SJohn Forte * When distributing Covered Code, include this CDDL HEADER in each
14*fcf3ce44SJohn Forte * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*fcf3ce44SJohn Forte * If applicable, add the following below this CDDL HEADER, with the
16*fcf3ce44SJohn Forte * fields enclosed by brackets "[]" replaced with your own identifying
17*fcf3ce44SJohn Forte * information: Portions Copyright [yyyy] [name of copyright owner]
18*fcf3ce44SJohn Forte *
19*fcf3ce44SJohn Forte * CDDL HEADER END
20*fcf3ce44SJohn Forte */
21*fcf3ce44SJohn Forte /*
22*fcf3ce44SJohn Forte * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23*fcf3ce44SJohn Forte * Use is subject to license terms.
24*fcf3ce44SJohn Forte */
25*fcf3ce44SJohn Forte
26*fcf3ce44SJohn Forte #include <sys/types.h>
27*fcf3ce44SJohn Forte #include <sys/time.h>
28*fcf3ce44SJohn Forte #include <errno.h>
29*fcf3ce44SJohn Forte #include <stdio.h>
30*fcf3ce44SJohn Forte #include <string.h>
31*fcf3ce44SJohn Forte #include <fcntl.h>
32*fcf3ce44SJohn Forte #include <stdlib.h>
33*fcf3ce44SJohn Forte #include <unistd.h>
34*fcf3ce44SJohn Forte #include <values.h>
35*fcf3ce44SJohn Forte #include <locale.h>
36*fcf3ce44SJohn Forte #include <sys/stat.h>
37*fcf3ce44SJohn Forte #include <strings.h>
38*fcf3ce44SJohn Forte #include <stdarg.h>
39*fcf3ce44SJohn Forte #include <sys/param.h>
40*fcf3ce44SJohn Forte #include <sys/nsctl/nsctl.h>
41*fcf3ce44SJohn Forte
42*fcf3ce44SJohn Forte #include <sys/unistat/spcs_s.h>
43*fcf3ce44SJohn Forte #include <sys/unistat/spcs_s_u.h>
44*fcf3ce44SJohn Forte #include <sys/unistat/spcs_errors.h>
45*fcf3ce44SJohn Forte
46*fcf3ce44SJohn Forte #define MAX_SESSION_LOG (10 * 1024 * 1024) /* allowable log file size */
47*fcf3ce44SJohn Forte
48*fcf3ce44SJohn Forte static char sessionlog[] = "/var/adm/ds.log";
49*fcf3ce44SJohn Forte static char sessionlog_bak[] = "/var/adm/ds.log.bak";
50*fcf3ce44SJohn Forte
51*fcf3ce44SJohn Forte static char *spcstime();
52*fcf3ce44SJohn Forte
53*fcf3ce44SJohn Forte void
spcs_log(const char * product,spcs_s_info_t * status,const char * format,...)54*fcf3ce44SJohn Forte spcs_log(const char *product, spcs_s_info_t *status, const char *format, ...)
55*fcf3ce44SJohn Forte {
56*fcf3ce44SJohn Forte struct stat st;
57*fcf3ce44SJohn Forte FILE *fp = NULL;
58*fcf3ce44SJohn Forte struct flock lk;
59*fcf3ce44SJohn Forte va_list ap;
60*fcf3ce44SJohn Forte
61*fcf3ce44SJohn Forte bzero(&lk, sizeof (lk));
62*fcf3ce44SJohn Forte
63*fcf3ce44SJohn Forte /*
64*fcf3ce44SJohn Forte * check the file size, if > than MAX_SESSION_LOG bytes make a .bak
65*fcf3ce44SJohn Forte * and truncate
66*fcf3ce44SJohn Forte */
67*fcf3ce44SJohn Forte if (stat(sessionlog, &st) == 0) {
68*fcf3ce44SJohn Forte if (st.st_size > MAX_SESSION_LOG) {
69*fcf3ce44SJohn Forte rename(sessionlog, sessionlog_bak);
70*fcf3ce44SJohn Forte }
71*fcf3ce44SJohn Forte }
72*fcf3ce44SJohn Forte
73*fcf3ce44SJohn Forte va_start(ap, format);
74*fcf3ce44SJohn Forte if ((fp = fopen(sessionlog, "a")) == (FILE *)NULL)
75*fcf3ce44SJohn Forte goto fail;
76*fcf3ce44SJohn Forte lk.l_type = F_WRLCK;
77*fcf3ce44SJohn Forte lk.l_whence = SEEK_SET;
78*fcf3ce44SJohn Forte lk.l_start = (off_t)0;
79*fcf3ce44SJohn Forte lk.l_len = (off_t)0;
80*fcf3ce44SJohn Forte
81*fcf3ce44SJohn Forte if (fcntl(fileno(fp), F_SETLKW, &lk) < 0)
82*fcf3ce44SJohn Forte goto fail;
83*fcf3ce44SJohn Forte
84*fcf3ce44SJohn Forte
85*fcf3ce44SJohn Forte fprintf(fp, "%s %s: ", spcstime(), product);
86*fcf3ce44SJohn Forte (void) vfprintf(fp, format, ap);
87*fcf3ce44SJohn Forte fputs("\n", fp);
88*fcf3ce44SJohn Forte if (status)
89*fcf3ce44SJohn Forte spcs_s_report(*status, fp);
90*fcf3ce44SJohn Forte
91*fcf3ce44SJohn Forte fflush(fp);
92*fcf3ce44SJohn Forte
93*fcf3ce44SJohn Forte lk.l_type = F_UNLCK;
94*fcf3ce44SJohn Forte
95*fcf3ce44SJohn Forte (void) fcntl(fileno(fp), F_SETLKW, &lk);
96*fcf3ce44SJohn Forte
97*fcf3ce44SJohn Forte fail:
98*fcf3ce44SJohn Forte if (fp)
99*fcf3ce44SJohn Forte fclose(fp);
100*fcf3ce44SJohn Forte va_end(ap);
101*fcf3ce44SJohn Forte }
102*fcf3ce44SJohn Forte
103*fcf3ce44SJohn Forte /*
104*fcf3ce44SJohn Forte * spcstime(): gets current time
105*fcf3ce44SJohn Forte */
106*fcf3ce44SJohn Forte static char *
spcstime()107*fcf3ce44SJohn Forte spcstime()
108*fcf3ce44SJohn Forte {
109*fcf3ce44SJohn Forte static char timeptr[20];
110*fcf3ce44SJohn Forte time_t tnow;
111*fcf3ce44SJohn Forte
112*fcf3ce44SJohn Forte tnow = time((time_t *)0);
113*fcf3ce44SJohn Forte cftime(timeptr, "%b %d %T", &tnow);
114*fcf3ce44SJohn Forte return (timeptr);
115*fcf3ce44SJohn Forte }
116