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
31 * Some code and ideas taken from the old disks.c.
32 * static char sccsid[] = "@(#)disks.c 8.1 (Berkeley) 6/6/93";
35 * Copyright (c) 1980, 1992, 1993
36 * The Regents of the University of California. All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. All advertising materials mentioning features or use of this software
47 * must display the following acknowledgement:
48 * This product includes software developed by the University of
49 * California, Berkeley and its contributors.
50 * 4. Neither the name of the University nor the names of its contributors
51 * may be used to endorse or promote products derived from this software
52 * without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
67 #include <sys/types.h>
68 #include <sys/devicestat.h>
69 #include <sys/dkstat.h>
86 last_match_type last_type;
87 struct device_selection *dev_select;
89 int num_devices, num_selected;
91 long select_generation;
92 struct devstat_match *matches = NULL;
94 char **specified_devices;
95 int num_devices_specified = 0;
97 static int dsmatchselect(char *args, devstat_select_mode select_mode,
98 int maxshowdevs, struct statinfo *s1);
99 static int dsselect(char *args, devstat_select_mode select_mode,
100 int maxshowdevs, struct statinfo *s1);
103 dsinit(int maxshowdevs, struct statinfo *s1, struct statinfo *s2,
108 * Make sure that the userland devstat version matches the kernel
109 * devstat version. If not, exit and print a message informing
110 * the user of his mistake.
112 if (checkversion() < 0)
113 errx(1, "%s", devstat_errbuf);
119 select_generation = 0;
120 last_type = DS_MATCHTYPE_NONE;
122 if (getdevs(s1) == -1)
123 errx(1, "%s", devstat_errbuf);
125 num_devices = s1->dinfo->numdevs;
126 generation = s1->dinfo->generation;
131 * At this point, selectdevs will almost surely indicate that the
132 * device list has changed, so we don't look for return values of 0
133 * or 1. If we get back -1, though, there is an error.
135 if (selectdevs(&dev_select, &num_selected, &num_selections,
136 &select_generation, generation, s1->dinfo->devices,
137 num_devices, NULL, 0, NULL, 0, DS_SELECT_ADD,
138 maxshowdevs, 0) == -1)
139 errx(1, "%s", devstat_errbuf);
145 dscmd(char *cmd, char *args, int maxshowdevs, struct statinfo *s1)
149 if (prefix(cmd, "display") || prefix(cmd, "add"))
150 return(dsselect(args, DS_SELECT_ADDONLY, maxshowdevs, s1));
151 if (prefix(cmd, "ignore") || prefix(cmd, "delete"))
152 return(dsselect(args, DS_SELECT_REMOVE, maxshowdevs, s1));
153 if (prefix(cmd, "show") || prefix(cmd, "only"))
154 return(dsselect(args, DS_SELECT_ONLY, maxshowdevs, s1));
155 if (prefix(cmd, "type") || prefix(cmd, "match"))
156 return(dsmatchselect(args, DS_SELECT_ONLY, maxshowdevs, s1));
157 if (prefix(cmd, "refresh")) {
158 retval = selectdevs(&dev_select, &num_selected, &num_selections,
159 &select_generation, generation,
160 s1->dinfo->devices, num_devices,
161 (last_type == DS_MATCHTYPE_PATTERN) ?
163 (last_type == DS_MATCHTYPE_PATTERN) ?
165 (last_type == DS_MATCHTYPE_SPEC) ?
166 specified_devices : NULL,
167 (last_type == DS_MATCHTYPE_SPEC) ?
168 num_devices_specified : 0,
169 (last_type == DS_MATCHTYPE_NONE) ?
170 DS_SELECT_ADD : DS_SELECT_ADDONLY,
173 warnx("%s", devstat_errbuf);
175 } else if (retval == 1)
178 if (prefix(cmd, "drives")) {
182 for (i = 0; i < num_devices; i++) {
183 printw("%s%d ", s1->dinfo->devices[i].device_name,
184 s1->dinfo->devices[i].unit_number);
192 dsmatchselect(char *args, devstat_select_mode select_mode, int maxshowdevs,
202 * Break the (pipe delimited) input string out into separate
205 for (tempstr = tstr, num_args = 0;
206 (*tempstr = strsep(&args, "|")) != NULL && (num_args < 100);
208 if (**tempstr != '\0')
209 if (++tempstr >= &tstr[100])
213 warnx("dsmatchselect: too many match arguments");
218 * If we've gone through the matching code before, clean out
219 * previously used memory.
221 if (num_matches > 0) {
227 for (i = 0; i < num_args; i++) {
228 if (buildmatch(tstr[i], &matches, &num_matches) != 0) {
229 warnx("%s", devstat_errbuf);
235 last_type = DS_MATCHTYPE_PATTERN;
237 retval = selectdevs(&dev_select, &num_selected, &num_selections,
238 &select_generation, generation,
239 s1->dinfo->devices, num_devices, matches,
240 num_matches, NULL, 0, select_mode,
243 err(1, "device selection error");
244 else if (retval == 1)
251 dsselect(char *args, devstat_select_mode select_mode, int maxshowdevs,
260 * If we've gone through this code before, free previously
261 * allocated resources.
263 if (num_devices_specified > 0) {
264 for (i = 0; i < num_devices_specified; i++)
265 free(specified_devices[i]);
266 free(specified_devices);
267 specified_devices = NULL;
268 num_devices_specified = 0;
271 /* do an initial malloc */
272 specified_devices = (char **)malloc(sizeof(char *));
274 cp = index(args, '\n');
278 for (cp = args; *cp && isspace(*cp); cp++)
281 for (; *cp && !isspace(*cp); cp++)
287 for (i = 0; i < num_devices; i++) {
290 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
291 dev_select[i].unit_number);
292 if (strcmp(args, tmpstr) == 0) {
294 num_devices_specified++;
296 specified_devices =(char **)realloc(
299 num_devices_specified);
300 specified_devices[num_devices_specified -1]=
306 if (i >= num_devices)
307 error("%s: unknown drive", args);
311 if (num_devices_specified > 0) {
312 last_type = DS_MATCHTYPE_SPEC;
314 retval = selectdevs(&dev_select, &num_selected, &num_selections,
315 &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)