2 * Copyright (c) 1998 Kenneth D. Merry.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Copyright (c) 1980, 1992, 1993
30 * The Regents of the University of California. All rights reserved.
32 * Redistribution and use in source and binary forms, with or without
33 * modification, are permitted provided that the following conditions
35 * 1. Redistributions of source code must retain the above copyright
36 * notice, this list of conditions and the following disclaimer.
37 * 2. Redistributions in binary form must reproduce the above copyright
38 * notice, this list of conditions and the following disclaimer in the
39 * documentation and/or other materials provided with the distribution.
40 * 3. All advertising materials mentioning features or use of this software
41 * must display the following acknowledgement:
42 * This product includes software developed by the University of
43 * California, Berkeley and its contributors.
44 * 4. Neither the name of the University nor the names of its contributors
45 * may be used to endorse or promote products derived from this software
46 * without specific prior written permission.
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61 #include <sys/cdefs.h>
63 __FBSDID("$FreeBSD$");
66 static const char sccsid[] = "@(#)disks.c 8.1 (Berkeley) 6/6/93";
69 #include <sys/types.h>
70 #include <sys/devicestat.h>
71 #include <sys/resource.h>
89 last_match_type last_type;
90 struct device_selection *dev_select;
92 int num_devices, num_selected;
94 long select_generation;
95 struct devstat_match *matches = NULL;
97 char **specified_devices;
98 int num_devices_specified = 0;
100 static int dsmatchselect(const char *args, devstat_select_mode select_mode,
101 int maxshowdevs, struct statinfo *s1);
102 static int dsselect(const char *args, devstat_select_mode select_mode,
103 int maxshowdevs, struct statinfo *s1);
106 dsinit(int maxshowdevs, struct statinfo *s1, struct statinfo *s2 __unused,
107 struct statinfo *s3 __unused)
111 * Make sure that the userland devstat version matches the kernel
112 * devstat version. If not, exit and print a message informing
113 * the user of his mistake.
115 if (devstat_checkversion(NULL) < 0)
116 errx(1, "%s", devstat_errbuf);
122 select_generation = 0;
123 last_type = DS_MATCHTYPE_NONE;
125 if (devstat_getdevs(NULL, s1) == -1)
126 errx(1, "%s", devstat_errbuf);
128 num_devices = s1->dinfo->numdevs;
129 generation = s1->dinfo->generation;
134 * At this point, selectdevs will almost surely indicate that the
135 * device list has changed, so we don't look for return values of 0
136 * or 1. If we get back -1, though, there is an error.
138 if (devstat_selectdevs(&dev_select, &num_selected, &num_selections,
139 &select_generation, generation, s1->dinfo->devices, num_devices,
140 NULL, 0, NULL, 0, DS_SELECT_ADD, maxshowdevs, 0) == -1)
141 errx(1, "%d %s", __LINE__, devstat_errbuf);
147 dscmd(const char *cmd, const char *args, int maxshowdevs, struct statinfo *s1)
151 if (prefix(cmd, "display") || prefix(cmd, "add"))
152 return(dsselect(args, DS_SELECT_ADDONLY, maxshowdevs, s1));
153 if (prefix(cmd, "ignore") || prefix(cmd, "delete"))
154 return(dsselect(args, DS_SELECT_REMOVE, maxshowdevs, s1));
155 if (prefix(cmd, "show") || prefix(cmd, "only"))
156 return(dsselect(args, DS_SELECT_ONLY, maxshowdevs, s1));
157 if (prefix(cmd, "type") || prefix(cmd, "match"))
158 return(dsmatchselect(args, DS_SELECT_ONLY, maxshowdevs, s1));
159 if (prefix(cmd, "refresh")) {
160 retval = devstat_selectdevs(&dev_select, &num_selected,
161 &num_selections, &select_generation, generation,
162 s1->dinfo->devices, num_devices,
163 (last_type ==DS_MATCHTYPE_PATTERN) ? matches : NULL,
164 (last_type ==DS_MATCHTYPE_PATTERN) ? num_matches : 0,
165 (last_type == DS_MATCHTYPE_SPEC) ?specified_devices : NULL,
166 (last_type == DS_MATCHTYPE_SPEC) ?num_devices_specified : 0,
167 (last_type == DS_MATCHTYPE_NONE) ? DS_SELECT_ADD :
168 DS_SELECT_ADDONLY, maxshowdevs, 0);
170 warnx("%s", devstat_errbuf);
172 } else if (retval == 1)
175 if (prefix(cmd, "drives")) {
179 for (i = 0; i < num_devices; i++) {
180 printw("%s%d ", s1->dinfo->devices[i].device_name,
181 s1->dinfo->devices[i].unit_number);
189 dsmatchselect(const char *args, devstat_select_mode select_mode, int maxshowdevs,
192 char **tempstr, *tmpstr, *tmpstr1;
199 * Break the (pipe delimited) input string out into separate
202 tmpstr = tmpstr1 = strdup(args);
203 for (tempstr = tstr, num_args = 0;
204 (*tempstr = strsep(&tmpstr1, "|")) != NULL && (num_args < 100);
206 if (**tempstr != '\0')
207 if (++tempstr >= &tstr[100])
212 warnx("dsmatchselect: too many match arguments");
217 * If we've gone through the matching code before, clean out
218 * previously used memory.
220 if (num_matches > 0) {
226 for (i = 0; i < num_args; i++) {
227 if (devstat_buildmatch(tstr[i], &matches, &num_matches) != 0) {
228 warnx("%s", devstat_errbuf);
234 last_type = DS_MATCHTYPE_PATTERN;
236 retval = devstat_selectdevs(&dev_select, &num_selected,
237 &num_selections, &select_generation, generation,
238 s1->dinfo->devices, num_devices, matches, num_matches,
239 NULL, 0, select_mode, maxshowdevs, 0);
241 err(1, "device selection error");
242 else if (retval == 1)
249 dsselect(const char *args, devstat_select_mode select_mode, int maxshowdevs,
252 char *cp, *tmpstr, *tmpstr1, *buffer;
257 * If we've gone through this code before, free previously
258 * allocated resources.
260 if (num_devices_specified > 0) {
261 for (i = 0; i < num_devices_specified; i++)
262 free(specified_devices[i]);
263 free(specified_devices);
264 specified_devices = NULL;
265 num_devices_specified = 0;
268 /* do an initial malloc */
269 specified_devices = (char **)malloc(sizeof(char *));
271 tmpstr = tmpstr1 = strdup(args);
272 cp = index(tmpstr1, '\n');
276 for (cp = tmpstr1; *cp && isspace(*cp); cp++)
279 for (; *cp && !isspace(*cp); cp++)
285 for (i = 0; i < num_devices; i++) {
286 asprintf(&buffer, "%s%d", dev_select[i].device_name,
287 dev_select[i].unit_number);
288 if (strcmp(buffer, tmpstr1) == 0) {
290 num_devices_specified++;
292 specified_devices =(char **)realloc(
295 num_devices_specified);
296 specified_devices[num_devices_specified -1]=
305 if (i >= num_devices)
306 error("%s: unknown drive", args);
311 if (num_devices_specified > 0) {
312 last_type = DS_MATCHTYPE_SPEC;
314 retval = devstat_selectdevs(&dev_select, &num_selected,
315 &num_selections, &select_generation, generation,
316 s1->dinfo->devices, num_devices, NULL, 0,
317 specified_devices, num_devices_specified,
318 select_mode, maxshowdevs, 0);
320 err(1, "%s", devstat_errbuf);
321 else if (retval == 1)