1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <stdarg.h>
32 #include <libintl.h>
33 #include <sys/types.h>
34 #include <sys/ioctl.h>
35 #include <kstat.h>
36 #include <sys/fs/cachefs_log.h>
37 #include <string.h>
38 #include <assert.h>
39 #include <ndbm.h>
40 #include <malloc.h>
41 #include <locale.h>
42 #include "stats.h"
43
44 void usage(char *);
45 void pr_err(char *, ...);
46
47 static int aflag = 0;
48
49 int
50 main(int argc, char **argv)
51 {
52 int rc = 0;
53 int c, errflg = 0;
54 int len1, len2;
55 char *ar, *progname;
56 void *record;
57 caddr_t vfsp;
58 char *path;
59
60 stats_cookie_t *sc = NULL;
61
62 datum key;
63 struct cachefs_log_logfile_header *lh;
64
65 mount_info *mip;
66
67 (void) setlocale(LC_ALL, "");
68 #if !defined(TEXT_DOMAIN)
69 #define TEXT_DOMAIN "SYS_TEST"
70 #endif /* TEXT_DOMAIN */
71 (void) textdomain(TEXT_DOMAIN);
72
73 if (progname = strrchr(argv[0], '/'))
74 ++progname;
75 else
76 progname = argv[0];
77
78 if ((sc = stats_create_unbound(progname)) == NULL) {
79 pr_err(gettext("Cannot initialize stats library\n"));
80 rc = 1;
81 goto out;
82 }
83
84 while ((c = getopt(argc, argv, "a")) != EOF)
85 switch (c) {
86 case 'a':
87 ++aflag;
88 break;
89
90 case '?':
91 default:
92 ++errflg;
93 break;
94 }
95
96 if (errflg) {
97 usage(NULL);
98 rc = -1;
99 goto out;
100 }
101
102 path = argv[optind];
103
104 if (stats_log_logfile_open(sc, path) != 0) {
105 pr_err(stats_errorstr(sc));
106 rc = 1;
107 goto out;
108 }
109 lh = stats_log_getheader(sc);
110
111 if (lh->lh_errno != 0)
112 printf(gettext("warning: problem writing logfile: %s\n\n"),
113 strerror(lh->lh_errno));
114
115 if (aflag) {
116 while (record = stats_log_logfile_read(sc, NULL)) {
117 ar = stats_log_record_toascii(sc, record);
118 if (ar == NULL)
119 break;
120 puts(ar);
121 free(record);
122 }
123 if (stats_inerror(sc))
124 pr_err(stats_errorstr(sc));
125 goto out;
126 }
127
128 stats_dbm_open(sc);
129 stats_dbm_rm(sc);
130 if (stats_inerror(sc)) {
131 pr_err(stats_errorstr(sc));
132 rc = stats_errno(sc);
133 goto out;
134 }
135
136 stats_log_compute_wssize(sc);
137
138 if (stats_inerror(sc)) {
139 pr_err(stats_errorstr(sc));
140 rc = stats_errno(sc);
141 goto out;
142 }
143
144 for (key = stats_dbm_firstkey(sc);
145 key.dptr != NULL;
146 key = stats_dbm_nextkey(sc)) {
147 if (key.dsize != sizeof (vfsp))
148 continue;
149
150 memcpy((caddr_t) &vfsp, key.dptr, sizeof (vfsp));
151 mip = stats_dbm_fetch_byvfsp(sc, vfsp);
152 if (mip == NULL)
153 continue;
154 if (! mip->mi_used)
155 continue;
156
157 printf("\n %s\n", mip->mi_path);
158 if (! mip->mi_mounted)
159 printf(" (currently unmounted)\n");
160 printf("\t end size: %17lldk\n", mip->mi_current / 1024);
161 printf("\thigh water size: %17lldk\n", mip->mi_high / 1024);
162 free(mip);
163 }
164
165 printf(gettext("\n total for cache\n"));
166 printf(gettext("\t initial size: %17lldk\n"),
167 (u_offset_t)(stats_log_wssize_init(sc) *
168 lh->lh_maxbsize / (u_offset_t) 1024));
169 printf(gettext("\t end size: %17lldk\n"),
170 (u_offset_t)(stats_log_wssize_current(sc) / 1024));
171 printf(gettext("\thigh water size: %17lldk\n"),
172 (u_offset_t)(stats_log_wssize_high(sc) / 1024));
173
174 if (stats_inerror(sc)) {
175 pr_err(stats_errorstr(sc));
176 rc = stats_errno(sc);
177 }
178
179 out:
180 stats_dbm_close(sc);
181 stats_destroy(sc);
182
183 return (rc);
184 }
185
186 /*
187 *
188 * usage
189 *
190 * Description:
191 * Prints a short usage message.
192 * Arguments:
193 * msgp message to include with the usage message
194 * Returns:
195 * Preconditions:
196 */
197
198 void
199 usage(char *msgp)
200 {
201 if (msgp) {
202 pr_err("%s", msgp);
203 }
204
205 fprintf(stderr,
206 gettext("Usage: cachefswssize logfile\n"));
207 }
208
209 /*
210 *
211 * pr_err
212 *
213 * Description:
214 * Prints an error message to stderr.
215 * Arguments:
216 * fmt printf style format
217 * ... arguments for fmt
218 * Returns:
219 * Preconditions:
220 * precond(fmt)
221 */
222
223 void
224 pr_err(char *fmt, ...)
225 {
226 va_list ap;
227
228 va_start(ap, fmt);
229 (void) fprintf(stderr, gettext("cachefswssize: "));
230 (void) vfprintf(stderr, fmt, ap);
231 (void) fprintf(stderr, "\n");
232 va_end(ap);
233 }