source: mainline/uspace/app/hdisk/hdisk.c@ a2aa81cb

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since a2aa81cb was a2aa81cb, checked in by Dominik Taborsky (AT DOT) <brembyseznamcz>, 12 years ago

API changes, bug fixing
  • Property mode set to 100644
File size: 7.7 KB
Line 
1/*
2 * Copyright (c) 2012, 2013 Dominik Taborsky
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 hdisk
30 * @{
31 */
32/** @file
33 */
34
35#include <ipc/bd.h>
36#include <loc.h>
37#include <async.h>
38#include <stdio.h>
39#include <ipc/services.h>
40#include <block.h>
41#include <errno.h>
42#include <stdlib.h>
43#include <assert.h>
44#include <str.h>
45#include <libmbr.h>
46#include <libgpt.h>
47#include <tinput.h>
48
49#include "hdisk.h"
50#include "input.h"
51#include "func_gpt.h"
52#include "func_mbr.h"
53#include "func_none.h"
54
55int interact(service_id_t);
56void print_help(void);
57void select_label_format(tinput_t *);
58void fill_label_funcs(void);
59void free_label(void);
60int try_read(service_id_t);
61
62int construct_none_label(void);
63
64int construct_mbr_label(void);
65int try_read_mbr(service_id_t);
66
67int construct_gpt_label(void);
68int try_read_gpt(service_id_t);
69
70
71static label_t label;
72
73int main(int argc, char ** argv)
74{
75 if (argc == 1) {
76 printf("Missing argument. Please specify a device to operate on.\n");
77 return -1;
78 }
79
80 int rc;
81 service_id_t dev_handle;
82
83 rc = loc_service_get_id(argv[1], &dev_handle, IPC_FLAG_BLOCKING);
84 if (rc != EOK) {
85 printf("Unknown device. Exiting.\n");
86 return -1;
87 }
88
89 printf("Init.\n");
90 init_label();
91
92 /*
93 mbr_t * mbr = mbr_read_mbr(dev_handle);
94 if(mbr == NULL) {
95 printf("Failed to read the Master Boot Record.\n" \
96 "Either memory allocation or disk access failed. Exiting.\n");
97 return -1;
98 }
99
100 if(mbr_is_mbr(mbr)) {
101 label.layout = LYT_MBR;
102 set_label_mbr(mbr);
103 mbr_partitions_t * parts = mbr_read_partitions(mbr);
104 if(parts == NULL) {
105 printf("Failed to read and parse partitions.\n" \
106 "Creating new partition table.");
107 parts = mbr_alloc_partitions();
108 }
109 set_label_mbr_parts(parts);
110 fill_label_funcs();
111 goto interact;
112 }
113
114
115 mbr_free_mbr(mbr);*/
116
117 printf("Try MBR.\n");
118 rc = try_read_mbr(dev_handle);
119 if (rc == EOK)
120 goto interact;
121
122 /*
123 gpt_t * gpt = gpt_read_gpt_header(dev_handle);
124
125 if(gpt != NULL) {
126 label.layout = LYT_GPT;
127 set_label_gpt(gpt);
128
129 gpt_partitions_t * parts = gpt_read_partitions(gpt);
130
131 if(parts == NULL) {
132 printf("Failed to read and parse partitions.\n" \
133 "Creating new partition table.");
134 parts = gpt_alloc_partitions();
135 }
136 set_label_gpt_parts(parts);
137 fill_label_funcs();
138 goto interact;
139 }
140 */
141
142 printf("Try GPT.\n");
143 rc = try_read_gpt(dev_handle);
144 if (rc == EOK)
145 goto interact;
146
147 printf("No label recognized. Create a new one.\n");
148 label.layout = LYT_NONE;
149
150interact:
151 printf("interact.\n");
152 rc = interact(dev_handle);
153
154 free_label();
155
156 return rc;
157}
158
159/** Interact with user */
160int interact(service_id_t dev_handle)
161{
162 int input;
163 tinput_t * in;
164
165 in = tinput_new();
166 if (in == NULL) {
167 printf("Failed initing input. Free some memory.\n");
168 return ENOMEM;
169 }
170 tinput_set_prompt(in, "");
171
172 printf("Welcome to hdisk.\nType 'h' for help.\n");
173
174 while (1) {
175 printf("# ");
176 input = getchar();
177 printf("%c\n", input);
178
179 switch(input) {
180 case 'a':
181 label.add_part(in, &label.data);
182 break;
183 case 'b':
184 label.add_part(in, &label.data);
185 break;
186 case 'd':
187 label.delete_part(in, &label.data);
188 break;
189 case 'e':
190 label.extra_funcs(in, dev_handle, &label.data);
191 break;
192 case 'f':
193 free_label();
194 select_label_format(in);
195 break;
196 case 'h':
197 print_help();
198 break;
199 case 'n':
200 free_label();
201 label.new_label(&label.data);
202 break;
203 case 'p':
204 label.print_parts(&label.data);
205 break;
206 case 'q':
207 putchar('\n');
208 goto end;
209 case 'w':
210 label.write_parts(dev_handle, &label.data);
211 break;
212 default:
213 printf("Unknown command. Try 'h' for help.\n");
214 break;
215 }
216 }
217
218end:
219 tinput_destroy(in);
220
221 return EOK;
222}
223
224void print_help(void)
225{
226 printf(
227 "\t 'a' \t\t Add partition.\n"
228 "\t 'd' \t\t Delete partition.\n"
229 "\t 'e' \t\t Extra functions (per label format).\n"
230 "\t 'f' \t\t Switch the format of the partition label."
231 "\t 'h' \t\t Prints help. See help for more.\n"
232 "\t 'l' \t\t Set alignment.\n"
233 "\t 'n' \t\t Create new label (discarding the old one).\n"
234 "\t 'p' \t\t Prints label contents.\n"
235 "\t 'w' \t\t Write label to disk.\n"
236 "\t 'q' \t\t Quit.\n"
237 );
238
239}
240
241void select_label_format(tinput_t * in)
242{
243 printf("Available formats are: \n"
244 "1) MBR\n"
245 "2) GPT\n"
246 );
247
248 uint8_t val = get_input_uint8(in);
249 switch(val) {
250 case 0:
251 free_label();
252 label.layout = LYT_NONE;
253 fill_label_funcs();
254 break;
255 case 1:
256 free_label();
257 label.layout = LYT_MBR;
258 fill_label_funcs();
259 break;
260 case 2:
261 free_label();
262 label.layout = LYT_GPT;
263 fill_label_funcs();
264 break;
265 }
266}
267
268void fill_label_funcs(void)
269{
270 switch(label.layout) {
271 case LYT_MBR:
272 construct_mbr_label();
273 break;
274 case LYT_GPT:
275 construct_gpt_label();
276 break;
277 default:
278 construct_none_label();
279 break;
280 }
281}
282
283void free_label(void)
284{
285 /*
286 switch(label.layout) {
287 case LYT_MBR:
288 destroy_mbr_label(&label);
289 break;
290 case LYT_GPT:
291 destroy_gpt_label(&label);
292 break;
293 default:
294 break;
295 }
296 */
297
298 label.destroy_label(&label.data);
299}
300
301int try_read(service_id_t dev_handle)
302{
303 fill_label_funcs();
304 printf("read_parts\n");
305 return label.read_parts(dev_handle, &label.data);
306}
307
308int construct_none_label()
309{
310 label.add_part = add_none_part;
311 label.delete_part = delete_none_part;
312 label.destroy_label = destroy_none_label;
313 label.new_label = new_none_label;
314 label.print_parts = print_none_parts;
315 label.read_parts = read_none_parts;
316 label.write_parts = write_none_parts;
317 label.extra_funcs = extra_none_funcs;
318
319 return EOK;
320}
321
322int construct_mbr_label()
323{
324 label.add_part = add_mbr_part;
325 label.delete_part = delete_mbr_part;
326 label.destroy_label = destroy_mbr_label;
327 label.new_label = new_mbr_label;
328 label.print_parts = print_mbr_parts;
329 label.read_parts = read_mbr_parts;
330 label.write_parts = write_mbr_parts;
331 label.extra_funcs = extra_mbr_funcs;
332
333 return label.new_label(&label.data);
334}
335
336int try_read_mbr(service_id_t dev_handle)
337{
338 label.layout = LYT_MBR;
339 return try_read(dev_handle);
340}
341
342int construct_gpt_label()
343{
344 label.add_part = add_gpt_part;
345 label.delete_part = delete_gpt_part;
346 label.new_label = new_gpt_label;
347 label.print_parts = print_gpt_parts;
348 label.read_parts = read_gpt_parts;
349 label.write_parts = write_gpt_parts;
350 label.extra_funcs = extra_gpt_funcs;
351
352 return label.new_label(&label.data);
353}
354
355int try_read_gpt(service_id_t dev_handle)
356{
357 label.layout = LYT_GPT;
358 return try_read(dev_handle);
359}
360
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