source: mainline/uspace/app/vol/vol.c@ 63c1dd5

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 63c1dd5 was 63c1dd5, checked in by Jiri Svoboda <jiri@…>, 7 years ago

Persistence of Tetris highscore table. Detect live mode and create directory structure in init task. Reading volume configuration, vol -c.
  • Property mode set to 100644
File size: 7.9 KB
Line 
1/*
2 * Copyright (c) 2017 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup vol
30 * @{
31 */
32/** @file Volume administration (interface to volsrv).
33 */
34
35#include <errno.h>
36#include <io/table.h>
37#include <loc.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <str.h>
41#include <vfs/vfs.h>
42#include <vol.h>
43
44#define NAME "vol"
45
46typedef enum {
47 vcmd_eject,
48 vcmd_insert,
49 vcmd_help,
50 vcmd_list,
51 vcmd_cfglist,
52} vol_cmd_t;
53
54/** Find volume by current mount point. */
55static errno_t vol_cmd_part_by_mp(vol_t *vol, const char *mp,
56 service_id_t *rid)
57{
58 vol_part_info_t vinfo;
59 service_id_t *part_ids = NULL;
60 char *canon_mp_buf = NULL;
61 char *canon_mp;
62 size_t nparts;
63 size_t i;
64 errno_t rc;
65
66 canon_mp_buf = str_dup(mp);
67 if (canon_mp_buf == NULL) {
68 printf("Out of memory.\n");
69 rc = ENOMEM;
70 goto out;
71 }
72
73 canon_mp = vfs_absolutize(canon_mp_buf, NULL);
74 if (canon_mp == NULL) {
75 printf("Invalid volume path '%s'.\n", mp);
76 rc = EINVAL;
77 goto out;
78 }
79
80 rc = vol_get_parts(vol, &part_ids, &nparts);
81 if (rc != EOK) {
82 printf("Error getting list of volumes.\n");
83 goto out;
84 }
85
86 for (i = 0; i < nparts; i++) {
87 rc = vol_part_info(vol, part_ids[i], &vinfo);
88 if (rc != EOK) {
89 printf("Error getting volume information.\n");
90 rc = EIO;
91 goto out;
92 }
93
94 if (str_cmp(vinfo.cur_mp, canon_mp) == 0) {
95 *rid = part_ids[i];
96 rc = EOK;
97 goto out;
98 }
99 }
100
101 rc = ENOENT;
102out:
103 free(part_ids);
104 free(canon_mp_buf);
105 return rc;
106}
107
108static errno_t vol_cmd_eject(const char *volspec)
109{
110 vol_t *vol = NULL;
111 service_id_t part_id;
112 errno_t rc;
113
114 rc = vol_create(&vol);
115 if (rc != EOK) {
116 printf("Error contacting volume service.\n");
117 goto out;
118 }
119
120 rc = vol_cmd_part_by_mp(vol, volspec, &part_id);
121 if (rc != EOK) {
122 printf("Error looking up volume '%s'.\n", volspec);
123 goto out;
124 }
125
126 rc = vol_part_eject(vol, part_id);
127 if (rc != EOK) {
128 printf("Error ejecting volume.\n");
129 goto out;
130 }
131
132 rc = EOK;
133out:
134 vol_destroy(vol);
135 return rc;
136}
137
138static errno_t vol_cmd_insert(const char *volspec)
139{
140 vol_t *vol = NULL;
141 service_id_t svc_id;
142 errno_t rc;
143
144 rc = loc_service_get_id(volspec, &svc_id, 0);
145 if (rc != EOK) {
146 printf("Error looking up service '%s'.\n", volspec);
147 goto out;
148 }
149
150 rc = vol_create(&vol);
151 if (rc != EOK) {
152 printf("Error contacting volume service.\n");
153 goto out;
154 }
155
156 rc = vol_part_insert(vol, svc_id);
157 if (rc != EOK) {
158 printf("Error inserting volume.\n");
159 goto out;
160 }
161
162 rc = EOK;
163out:
164 vol_destroy(vol);
165 return rc;
166}
167
168static errno_t vol_cmd_list(void)
169{
170 vol_t *vol = NULL;
171 vol_part_info_t vinfo;
172 service_id_t *part_ids = NULL;
173 char *svc_name;
174 char *sfstype;
175 size_t nparts;
176 size_t i;
177 table_t *table = NULL;
178 errno_t rc;
179
180 rc = vol_create(&vol);
181 if (rc != EOK) {
182 printf("Error contacting volume service.\n");
183 goto out;
184 }
185
186 rc = vol_get_parts(vol, &part_ids, &nparts);
187 if (rc != EOK) {
188 printf("Error getting list of volumes.\n");
189 goto out;
190 }
191
192 rc = table_create(&table);
193 if (rc != EOK) {
194 printf("Out of memory.\n");
195 goto out;
196 }
197
198 table_header_row(table);
199 table_printf(table, "Volume Name\t" "Resource\t" "Content\t" "Auto\t"
200 "Mounted at\n");
201
202 for (i = 0; i < nparts; i++) {
203 rc = vol_part_info(vol, part_ids[i], &vinfo);
204 if (rc != EOK) {
205 printf("Error getting volume information.\n");
206 return EIO;
207 }
208
209 rc = loc_service_get_name(part_ids[i], &svc_name);
210 if (rc != EOK) {
211 printf("Error getting service name.\n");
212 return EIO;
213 }
214
215 rc = vol_pcnt_fs_format(vinfo.pcnt, vinfo.fstype, &sfstype);
216 if (rc != EOK) {
217 printf("Out of memory.\n");
218 free(svc_name);
219 return ENOMEM;
220 }
221
222 table_printf(table, "%s\t" "%s\t" "%s\t" "%s\t" "%s\n",
223 vinfo.label, svc_name, sfstype,
224 vinfo.cur_mp_auto ? "Yes" : "", vinfo.cur_mp);
225
226 free(svc_name);
227 free(sfstype);
228 svc_name = NULL;
229 }
230
231 rc = table_print_out(table, stdout);
232 if (rc != EOK)
233 printf("Error printing table.\n");
234out:
235 table_destroy(table);
236 vol_destroy(vol);
237 free(part_ids);
238
239 return rc;
240}
241
242/** List volume configuration entries.
243 *
244 * @return EOK on success or an error code
245 */
246static errno_t vol_cmd_cfglist(void)
247{
248 vol_t *vol = NULL;
249 vol_info_t vinfo;
250 volume_id_t *volume_ids = NULL;
251 size_t nvols;
252 size_t i;
253 table_t *table = NULL;
254 errno_t rc;
255
256 rc = vol_create(&vol);
257 if (rc != EOK) {
258 printf("Error contacting volume service.\n");
259 goto out;
260 }
261
262 rc = vol_get_volumes(vol, &volume_ids, &nvols);
263 if (rc != EOK) {
264 printf("Error getting list of volumes.\n");
265 goto out;
266 }
267
268 rc = table_create(&table);
269 if (rc != EOK) {
270 printf("Out of memory.\n");
271 goto out;
272 }
273
274 table_header_row(table);
275 table_printf(table, "Volume Name\t" "Path\n");
276
277 for (i = 0; i < nvols; i++) {
278 rc = vol_info(vol, volume_ids[i], &vinfo);
279 if (rc != EOK) {
280 printf("Error getting volume information.\n");
281 return EIO;
282 }
283
284 table_printf(table, "%s\t" "%s\n", vinfo.label, vinfo.path);
285 }
286
287 rc = table_print_out(table, stdout);
288 if (rc != EOK)
289 printf("Error printing table.\n");
290out:
291 table_destroy(table);
292 vol_destroy(vol);
293 free(volume_ids);
294
295 return rc;
296}
297
298static void print_syntax(void)
299{
300 printf("Syntax:\n");
301 printf(" %s List present volumes\n", NAME);
302 printf(" %s -c List volume configuration entries\n", NAME);
303 printf(" %s -h Print help\n", NAME);
304 printf(" %s eject <mp> Eject volume mounted in a directory\n", NAME);
305 printf(" %s insert <svc> Insert volume based on service identifier\n", NAME);
306}
307
308int main(int argc, char *argv[])
309{
310 char *cmd;
311 char *volspec;
312 vol_cmd_t vcmd;
313 int i;
314 errno_t rc = EINVAL;
315
316 if (argc < 2) {
317 vcmd = vcmd_list;
318 i = 1;
319 } else {
320 cmd = argv[1];
321 i = 2;
322 if (str_cmp(cmd, "-h") == 0) {
323 vcmd = vcmd_help;
324 } else if (str_cmp(cmd, "-c") == 0) {
325 vcmd = vcmd_cfglist;
326 } else if (str_cmp(cmd, "eject") == 0) {
327 vcmd = vcmd_eject;
328 if (argc <= i) {
329 printf("Parameter missing.\n");
330 goto syntax_error;
331 }
332 volspec = argv[i++];
333 } else if (str_cmp(cmd, "insert") == 0) {
334 vcmd = vcmd_insert;
335 if (argc <= i) {
336 printf("Parameter missing.\n");
337 goto syntax_error;
338 }
339 volspec = argv[i++];
340 } else {
341 printf("Invalid sub-command '%s'.\n", cmd);
342 goto syntax_error;
343 }
344 }
345
346 if (argc > i) {
347 printf("Unexpected argument '%s'.\n", argv[i]);
348 goto syntax_error;
349 }
350
351 switch (vcmd) {
352 case vcmd_eject:
353 rc = vol_cmd_eject(volspec);
354 break;
355 case vcmd_insert:
356 rc = vol_cmd_insert(volspec);
357 break;
358 case vcmd_help:
359 print_syntax();
360 rc = EOK;
361 break;
362 case vcmd_list:
363 rc = vol_cmd_list();
364 break;
365 case vcmd_cfglist:
366 rc = vol_cmd_cfglist();
367 break;
368 }
369
370 if (rc != EOK)
371 return 1;
372
373 return 0;
374
375syntax_error:
376 printf("Use %s -h to get help.\n", NAME);
377 return 1;
378}
379
380/** @}
381 */
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