Commit | Line | Data |
---|---|---|
7fbe0fb9 MW |
1 | #define _GNU_SOURCE |
2 | #define _FILE_OFFSET_BITS 64 | |
3 | ||
4 | #include <assert.h> | |
5 | #include <ctype.h> | |
6 | #include <errno.h> | |
7 | #include <inttypes.h> | |
8 | #include <math.h> | |
9 | #include <stdarg.h> | |
10 | #include <stdint.h> | |
11 | #include <stdio.h> | |
12 | #include <stdlib.h> | |
13 | #include <string.h> | |
14 | #include <time.h> | |
15 | ||
16 | #include <unistd.h> | |
17 | #include <fcntl.h> | |
18 | #include <sys/ioctl.h> | |
d766561d | 19 | #include <sys/stat.h> |
7fbe0fb9 MW |
20 | #include <sys/time.h> |
21 | ||
22 | #include <getopt.h> | |
23 | ||
24 | #include <linux/fs.h> | |
25 | ||
26 | #include <dvdread/dvd_reader.h> | |
27 | #include <dvdread/dvd_udf.h> | |
28 | #include <dvdread/ifo_read.h> | |
29 | #include <dvdread/ifo_types.h> | |
30 | ||
7fbe0fb9 MW |
31 | #define CTYPE_HACK(fn, ch) fn((unsigned char)(ch)) |
32 | #define ISDIGIT(ch) CTYPE_HACK(isdigit, ch) | |
33 | #define ISSPACE(ch) CTYPE_HACK(isspace, ch) | |
34 | ||
513eba44 MW |
35 | #ifdef DEBUG |
36 | # define D(x) x | |
37 | #else | |
38 | # define D(x) | |
39 | #endif | |
40 | ||
7fbe0fb9 MW |
41 | #define N(v) (sizeof(v)/sizeof((v)[0])) |
42 | ||
72279434 MW |
43 | #define SECTORSZ 2048 |
44 | #define SECTORS(n) (((n) + (SECTORSZ - 1))/SECTORSZ) | |
7fbe0fb9 MW |
45 | |
46 | static const char *prog = "<unset>"; | |
47 | static int status = 0; | |
48 | ||
49 | static void usage(FILE *fp) | |
50 | { | |
51 | fprintf(fp, | |
69f3ec37 MW |
52 | "usage: %s [-c] [-R MAP] [-b OUTMAP] [-r [START]-[END]]\n" |
53 | "\tDEVICE OUTFILE\n", | |
7fbe0fb9 MW |
54 | prog); |
55 | } | |
56 | ||
57 | static void vmoan(const char *fmt, va_list ap) | |
58 | { fprintf(stderr, "%s: ", prog); vfprintf(stderr, fmt, ap); } | |
dae431c1 MW |
59 | |
60 | __attribute__((format(printf, 1, 2))) | |
61 | static void moan(const char *fmt, ...) | |
62 | { | |
63 | va_list ap; | |
64 | ||
65 | va_start(ap, fmt); vmoan(fmt, ap); va_end(ap); | |
66 | fputc('\n', stderr); | |
67 | } | |
68 | ||
7fbe0fb9 MW |
69 | __attribute__((noreturn, format(printf, 1, 2))) |
70 | static void bail(const char *fmt, ...) | |
71 | { | |
72 | va_list ap; | |
73 | ||
74 | va_start(ap, fmt); vmoan(fmt, ap); va_end(ap); | |
75 | fputc('\n', stderr); | |
76 | exit(2); | |
77 | } | |
dae431c1 | 78 | |
7fbe0fb9 MW |
79 | __attribute__((noreturn, format(printf, 2, 3))) |
80 | static void bail_syserr(int err, const char *fmt, ...) | |
81 | { | |
82 | va_list ap; | |
83 | ||
84 | va_start(ap, fmt); vmoan(fmt, ap); va_end(ap); | |
85 | if (err) fprintf(stderr, ": %s", strerror(errno)); | |
86 | fputc('\n', stderr); | |
87 | exit(2); | |
88 | } | |
89 | ||
3b455ee5 MW |
90 | static void carefully_write(int fd, const void *buf, size_t sz) |
91 | { | |
92 | const unsigned char *p = buf; | |
93 | ssize_t n; | |
94 | ||
95 | if (fd < 0) return; | |
96 | while (sz) { | |
97 | n = write(fd, p, sz); | |
98 | if (n < 0) { | |
99 | if (errno == EINTR) continue; | |
100 | bail_syserr(errno, "failed to write to output file"); | |
101 | } | |
102 | if (!n) bail("unexpected short write to output file"); | |
103 | p += n; sz -= n; | |
104 | } | |
105 | } | |
106 | ||
813c2ce8 MW |
107 | static void open_file_on_demand(const char *file, FILE **fp_inout, |
108 | const char *what) | |
109 | { | |
110 | FILE *fp; | |
111 | ||
112 | if (!*fp_inout) { | |
113 | fp = fopen(file, "w"); | |
114 | if (!fp) | |
115 | bail_syserr(errno, "failed to open %s file `%s'", what, file); | |
116 | fprintf(fp, "## %s\n\n", what); | |
117 | *fp_inout = fp; | |
118 | } | |
119 | } | |
120 | ||
121 | static void check_write(FILE *fp, const char *what) | |
122 | { | |
123 | fflush(fp); | |
124 | if (ferror(fp)) bail_syserr(errno, "error writing %s file", what); | |
125 | } | |
126 | ||
127 | static void carefully_fclose(FILE *fp, const char *what) | |
128 | { | |
129 | if (fp && (ferror(fp) || fclose(fp))) | |
130 | bail_syserr(errno, "error writing %s file", what); | |
131 | } | |
132 | ||
72279434 MW |
133 | #define DEFVEC(vtype, etype) \ |
134 | typedef struct { etype *v; size_t n, sz; } vtype | |
135 | #define VEC_INIT { 0, 0, 0 } | |
136 | #define VEC_FREE(vv) do { \ | |
137 | free((vv)->v); (vv)->v 0; (vv)->n = (vv)->sz = 0; \ | |
138 | } while (0) | |
139 | #define VEC_PUSH(p, vv) do { \ | |
140 | size_t _want; \ | |
141 | if ((vv)->n >= (vv)->sz) { \ | |
142 | (vv)->sz = (vv)->sz ? 2*(vv)->sz : 32; \ | |
143 | _want = (vv)->sz*sizeof(*(vv)->v); \ | |
144 | (vv)->v = realloc((vv)->v, _want); \ | |
145 | if (!(vv)->v) bail("out of memory allocating %zu bytes", _want); \ | |
146 | } \ | |
147 | (p) = &(vv)->v[(vv)->n++]; \ | |
148 | } while (0) | |
149 | ||
150 | enum { RAW, IFO, VOB, BUP }; | |
151 | typedef uint_least32_t ident; | |
152 | ||
153 | static inline ident mkident(unsigned kind, unsigned title, unsigned part) | |
154 | { return (((ident)kind << 0) | ((ident)title << 8) | ((ident)part << 16)); } | |
155 | static inline unsigned id_kind(ident id) { return ((id >> 0)&0x0ff); } | |
156 | static inline unsigned id_title(ident id) { return ((id >> 8)&0x0ff); } | |
157 | static inline unsigned id_part(ident id) { return ((id >> 16)&0x0ff); } | |
158 | ||
7fbe0fb9 MW |
159 | #define MAXFNSZ (1 + 8 + 1 + 12 + 1) |
160 | ||
161 | static void store_filename(char *buf, ident id) | |
162 | { | |
163 | switch (id_kind(id)) { | |
164 | case RAW: | |
165 | sprintf(buf, "#<raw device>"); | |
166 | break; | |
167 | case IFO: | |
168 | if (!id_title(id)) sprintf(buf, "/VIDEO_TS/VIDEO_TS.IFO"); | |
169 | else sprintf(buf, "/VIDEO_TS/VTS_%02u_0.IFO", id_title(id)); | |
170 | break; | |
171 | case BUP: | |
172 | if (!id_title(id)) sprintf(buf, "/VIDEO_TS/VIDEO_TS.BUP"); | |
173 | else sprintf(buf, "/VIDEO_TS/VTS_%02u_0.BUP", id_title(id)); | |
174 | break; | |
175 | case VOB: | |
176 | if (!id_title(id)) sprintf(buf, "/VIDEO_TS/VIDEO_TS.VOB"); | |
177 | else | |
178 | sprintf(buf, "/VIDEO_TS/VTS_%02u_%u.VOB", id_title(id), id_part(id)); | |
179 | break; | |
180 | default: | |
181 | abort(); | |
182 | } | |
183 | } | |
184 | ||
788fe88a MW |
185 | typedef uint_least32_t secaddr; |
186 | #define PRIuSEC PRIuLEAST32 | |
87a145d2 | 187 | #define SECLIMIT 0x00400000 |
788fe88a | 188 | |
7fbe0fb9 MW |
189 | #define MAXFILES (1 + 2*99 + 1) |
190 | struct file { | |
191 | ident id; | |
788fe88a | 192 | secaddr start, end; |
7fbe0fb9 MW |
193 | }; |
194 | DEFVEC(file_v, struct file); | |
195 | static file_v filetab = VEC_INIT; | |
196 | ||
d79ff9c5 | 197 | enum { EV_STOP, EV_BEGIN, EV_END, EV_WRITE }; |
7fbe0fb9 MW |
198 | struct event { |
199 | unsigned char ev, file; | |
788fe88a | 200 | secaddr pos; |
7fbe0fb9 MW |
201 | }; |
202 | DEFVEC(event_v, struct event); | |
203 | static event_v eventq = VEC_INIT; | |
204 | ||
72279434 MW |
205 | static int compare_event(const void *a, const void *b) |
206 | { | |
207 | const struct event *eva = a, *evb = b; | |
208 | ||
209 | if (eva->pos < evb->pos) return (-1); | |
210 | else if (eva->pos > evb->pos) return (+1); | |
211 | ||
212 | if (eva->ev < evb->ev) return (-1); | |
213 | else if (eva->ev > evb->ev) return (+1); | |
214 | ||
215 | if (eva->file < evb->file) return (-1); | |
216 | else if (eva->file > evb->file) return (+1); | |
217 | ||
218 | return (0); | |
219 | } | |
220 | ||
7fbe0fb9 MW |
221 | typedef uint_least32_t bits; |
222 | static bits live[(MAXFILES + 31)/32]; | |
223 | ||
224 | static inline int livep(unsigned i) | |
225 | { return (live[i/32]&((bits)1 << (i%32))); } | |
226 | static inline void set_live(unsigned i) | |
227 | { live[i/32] |= (bits)1 << (i%32); } | |
228 | static inline void clear_live(unsigned i) | |
229 | { live[i/32] &= ~((bits)1 << (i%32)); } | |
230 | static inline int least_live(void) | |
231 | { | |
232 | unsigned i, n = (filetab.n + 32)/32; | |
233 | bits b; | |
234 | ||
235 | for (i = 0; i < n; i++) { b = live[i]; if (b) goto found; } | |
236 | return (-1); | |
237 | found: | |
238 | i *= 32; | |
239 | if (!(b&0x0000ffff)) { b >>= 16; i += 16; } | |
240 | if (!(b&0x000000ff)) { b >>= 8; i += 8; } | |
241 | if (!(b&0x0000000f)) { b >>= 4; i += 4; } | |
242 | if (!(b&0x00000003)) { b >>= 2; i += 2; } | |
243 | if (!(b&0x00000001)) { b >>= 1; i += 1; } | |
244 | assert(b&1); | |
245 | return (i); | |
246 | } | |
247 | ||
788fe88a | 248 | static void put_event(unsigned evtype, unsigned file, secaddr pos) |
7fbe0fb9 MW |
249 | { |
250 | struct event *ev; | |
251 | ||
252 | VEC_PUSH(ev, &eventq); | |
253 | ev->ev = evtype; ev->file = file; ev->pos = pos; | |
254 | } | |
255 | ||
788fe88a | 256 | static void put_file(ident id, secaddr start, secaddr end) |
7fbe0fb9 MW |
257 | { |
258 | struct file *f; | |
259 | size_t i; | |
260 | ||
261 | VEC_PUSH(f, &filetab); i = f - filetab.v; | |
262 | f->id = id; f->start = start; f->end = end; | |
263 | put_event(EV_BEGIN, i, start); | |
264 | put_event(EV_END, i, end); | |
265 | } | |
266 | ||
267 | static void put_menu(dvd_reader_t *dvd, unsigned title) | |
268 | { | |
269 | ident id = mkident(VOB, title, 0); | |
270 | char fn[MAXFNSZ]; | |
788fe88a | 271 | secaddr start, len; |
7fbe0fb9 MW |
272 | |
273 | store_filename(fn, id); | |
274 | start = UDFFindFile(dvd, fn, &len); if (!start) return; | |
275 | #ifdef DEBUG | |
788fe88a | 276 | printf(";; %8"PRIuSEC" .. %-8"PRIuSEC": %s\n", |
7fbe0fb9 MW |
277 | start, start + SECTORS(len), fn); |
278 | #endif | |
279 | put_file(id, start, start + SECTORS(len)); | |
280 | } | |
281 | ||
282 | static void put_title(dvd_reader_t *dvd, unsigned title) | |
283 | { | |
284 | char fn[MAXFNSZ]; | |
788fe88a | 285 | secaddr start[9], len[9]; |
7fbe0fb9 MW |
286 | unsigned i, npart; |
287 | ||
288 | for (i = 0; i < 9; i++) { | |
289 | store_filename(fn, mkident(VOB, title, i + 1)); | |
290 | start[i] = UDFFindFile(dvd, fn, &len[i]); if (!start[i]) break; | |
291 | } | |
292 | npart = i; if (!npart) return; | |
293 | ||
294 | #ifdef DEBUG | |
295 | for (i = 0; i < npart; i++) { | |
296 | store_filename(fn, mkident(VOB, title, i + 1)); | |
788fe88a | 297 | printf(";; %8"PRIuSEC" .. %-8"PRIuSEC": %s\n", |
7fbe0fb9 MW |
298 | start[i], start[i] + SECTORS(len[i]), fn); |
299 | } | |
300 | #endif | |
301 | ||
302 | if (npart > 1) | |
303 | for (i = 0; i < npart - 1; i++) { | |
304 | if (len[i]%SECTORSZ) | |
788fe88a | 305 | bail("title %u part %u length = %"PRIuSEC" not a multiple of %d", |
7fbe0fb9 MW |
306 | title, i, len[i], SECTORSZ); |
307 | if (start[i] + len[i]/SECTORSZ != start[i + 1]) | |
788fe88a MW |
308 | bail |
309 | ("title %u part %u end = %"PRIuSEC" /= part %u start = %"PRIuSEC"", | |
310 | title, i, start[i] + len[i]/SECTORSZ, i + 1, start[i + 1]); | |
7fbe0fb9 MW |
311 | } |
312 | ||
313 | put_file(mkident(VOB, title, 1), | |
314 | start[0], start[npart - 1] + SECTORS(len[npart - 1])); | |
315 | } | |
316 | ||
7fbe0fb9 MW |
317 | static int progresslen = 0; |
318 | ||
319 | static void clear_progress_internal(void) | |
12db0342 MW |
320 | { |
321 | while (progresslen) { fputs("\b \b", stdout); progresslen--; } | |
322 | putchar('\r'); | |
323 | } | |
7fbe0fb9 MW |
324 | static void clear_progress(void) |
325 | { clear_progress_internal(); fflush(stdout); } | |
4623c584 MW |
326 | #ifdef DEBUG |
327 | static void debug_clear_progress(void) | |
328 | { if (progresslen) { putchar('\n'); progresslen = 0; } } | |
329 | #endif | |
7fbe0fb9 MW |
330 | static void vappend_progress(const char *fmt, va_list ap) |
331 | { progresslen += vprintf(fmt, ap); } | |
332 | __attribute__((format(printf, 1, 2))) | |
333 | static void append_progress(const char *fmt, ...) | |
334 | { | |
335 | va_list ap; | |
336 | ||
337 | va_start(ap, fmt); | |
338 | vappend_progress(fmt, ap); | |
339 | va_end(ap); | |
340 | } | |
341 | __attribute__((format(printf, 1, 2))) | |
342 | static void print_progress(const char *fmt, ...) | |
343 | { | |
344 | va_list ap; | |
345 | ||
346 | va_start(ap, fmt); | |
347 | clear_progress_internal(); | |
348 | vappend_progress(fmt, ap); | |
349 | va_end(ap); | |
350 | } | |
351 | ||
5cc1b8be MW |
352 | unsigned flags; |
353 | # define F_ALLPROGRESS 1u | |
354 | static secaddr last_pos, limit, nsectors, ndone; | |
355 | static struct timeval last_time; | |
356 | static double wsum, wcount; | |
eb061ad9 | 357 | static struct file *file; |
5cc1b8be MW |
358 | |
359 | static void report_progress(secaddr pos) | |
7fbe0fb9 MW |
360 | { |
361 | char etastr[32]; | |
362 | struct timeval now; | |
363 | int eta; | |
81a03df8 | 364 | double percent, t, f, g, rate; |
7fbe0fb9 MW |
365 | char *unit; |
366 | ||
367 | #define ALPHA 0.02 | |
368 | #define BETA (1 - ALPHA) | |
369 | ||
370 | gettimeofday(&now, 0); | |
5cc1b8be MW |
371 | t = (now.tv_sec - last_time.tv_sec) + |
372 | (now.tv_usec - last_time.tv_usec)/1000000.0; | |
7fbe0fb9 MW |
373 | |
374 | if (t) { | |
5cc1b8be MW |
375 | g = wcount ? pow(BETA, t) : 0.0; f = (1 - g)/(1 - BETA); |
376 | wsum = f*(pos - last_pos)/t + g*wsum; | |
377 | wcount = f + g*wcount; | |
378 | ndone += pos - last_pos; | |
379 | last_time = now; last_pos = pos; | |
7fbe0fb9 MW |
380 | } |
381 | ||
5cc1b8be | 382 | if (!wsum || !wcount) |
7fbe0fb9 MW |
383 | { rate = 0; strcpy(etastr, "???"); } |
384 | else { | |
5cc1b8be MW |
385 | rate = wsum/wcount; |
386 | eta = (int)((nsectors - ndone)/rate); | |
7fbe0fb9 MW |
387 | sprintf(etastr, "%d:%02d:%02d", eta/3600, (eta/60)%60, eta%60); |
388 | } | |
389 | ||
390 | rate *= SECTORSZ; unit = ""; | |
391 | if (rate > 128) { rate /= 1024; unit = "k"; } | |
392 | if (rate > 128) { rate /= 1024; unit = "M"; } | |
393 | if (rate > 128) { rate /= 1024; unit = "G"; } | |
394 | ||
5cc1b8be MW |
395 | if (flags&F_ALLPROGRESS) percent = pos*100.0/limit; |
396 | else percent = ndone*100.0/nsectors; | |
788fe88a MW |
397 | print_progress |
398 | ("copied %.1f%% (%"PRIuSEC" of %"PRIuSEC"; %.1f %sB/s, ETA %s)", | |
5cc1b8be MW |
399 | percent, pos, limit, rate, unit, etastr); |
400 | if (file && id_kind(file->id) == VOB) { | |
5ae2f450 | 401 | append_progress(" -- %s %d %.1f%%", |
5cc1b8be MW |
402 | id_part(file->id) ? "title" : "menu", |
403 | id_title(file->id), | |
404 | (pos - file->start)*100.0/ | |
405 | (file->end - file->start)); | |
7fbe0fb9 MW |
406 | } |
407 | ||
408 | #undef ALPHA | |
409 | #undef BETA | |
410 | } | |
411 | ||
eb061ad9 | 412 | static dvd_reader_t *dvd; |
9ac85bf5 | 413 | static int dvdfd = -1, outfd = -1; |
eb061ad9 MW |
414 | static dvd_file_t *vob; |
415 | static const char *mapfile; static FILE *mapfp; | |
416 | ||
513eba44 MW |
417 | struct badblock { secaddr start, end; }; |
418 | DEFVEC(badblock_v, struct badblock); | |
419 | static badblock_v badblocks = VEC_INIT; | |
420 | ||
421 | static int compare_badblock(const void *a, const void *b) | |
422 | { | |
423 | const struct badblock *ba = a, *bb = b; | |
424 | ||
425 | if (ba->start < bb->start) return (-1); | |
426 | else if (ba->start > bb->start) return (+1); | |
427 | ||
428 | if (ba->end < bb->end) return (-1); | |
429 | else if (ba->end > bb->end) return (+1); | |
430 | ||
431 | return (0); | |
432 | } | |
433 | ||
5cc1b8be | 434 | static ssize_t read_sectors(secaddr pos, void *buf, secaddr want) |
7fbe0fb9 | 435 | { |
0f0ba33f | 436 | ssize_t n, done; |
513eba44 | 437 | size_t lo, mid, hi; |
0f0ba33f | 438 | int fakeerr = 0; |
513eba44 | 439 | struct badblock *bad, *best; |
0f0ba33f | 440 | unsigned char *p = buf; |
513eba44 | 441 | |
6e7426fe MW |
442 | if (badblocks.n) { |
443 | best = 0; lo = 0; hi = badblocks.n; | |
513eba44 | 444 | #ifdef DEBUG |
6e7426fe MW |
445 | debug_clear_progress(); |
446 | printf(";; searching badblocks for %"PRIuSEC" .. %"PRIuSEC"\n", | |
447 | pos, pos + want); | |
513eba44 | 448 | #endif |
6e7426fe MW |
449 | while (lo < hi) { |
450 | mid = lo + (hi - lo)/2; bad = &badblocks.v[mid]; | |
513eba44 | 451 | #ifdef DEBUG |
6e7426fe MW |
452 | printf(";; try %zu (%"PRIuSEC" .. %"PRIuSEC")... ", |
453 | mid, bad->start, bad->end); | |
513eba44 | 454 | #endif |
6e7426fe MW |
455 | if (pos < bad->start) { D( printf("high\n"); ) best = bad; hi = mid; } |
456 | else if (pos >= bad->end) { D( printf("low\n"); ) lo = mid + 1; } | |
457 | else { D( printf("match!\n"); ) errno = EIO; return (-1); } | |
458 | } | |
513eba44 | 459 | #ifdef DEBUG |
6e7426fe MW |
460 | if (best) |
461 | printf(";; next is %"PRIuSEC" .. %"PRIuSEC"\n", | |
462 | best->start, best->end); | |
513eba44 | 463 | #endif |
6e7426fe MW |
464 | if (best && pos + want > best->start) |
465 | { want = best->start - pos; fakeerr = EIO; } | |
466 | } | |
0f0ba33f MW |
467 | done = 0; |
468 | while (want) { | |
469 | if (vob) | |
470 | { errno = 0; n = DVDReadBlocks(vob, pos - file->start, want, p); } | |
471 | else if (file) { | |
472 | if (lseek(dvdfd, (off_t)pos*SECTORSZ, SEEK_SET) < 0) | |
473 | bail_syserr(errno, "failed to seek to sector %"PRIuSEC"", pos); | |
474 | errno = 0; n = read(dvdfd, p, want*SECTORSZ); | |
475 | if (n >= 0) n /= SECTORSZ; | |
476 | } else { | |
477 | memset(p, 0, want*SECTORSZ); | |
478 | n = want; | |
479 | } | |
7fbe0fb9 | 480 | |
0f0ba33f MW |
481 | if (n > 0) { done += n; pos += n; p += n*SECTORSZ; want -= n; } |
482 | else if (!n || errno != EINTR) break; | |
483 | } | |
484 | if (fakeerr && !errno) errno = fakeerr; | |
485 | return (!done && errno ? -1 : done); | |
7fbe0fb9 MW |
486 | } |
487 | ||
06b2bcfe MW |
488 | static void report_bad_blocks_progress(secaddr lo, secaddr hi, int err) |
489 | { | |
490 | report_progress(hi); | |
491 | ||
492 | if (lo == hi) append_progress(": retrying bad sector"); | |
493 | else | |
494 | append_progress(": %"PRIuSEC" bad %s", | |
495 | hi - lo, hi == lo + 1 ? "sector" : "sectors"); | |
496 | if (err && err != EIO) append_progress(" (%s)", strerror(err)); | |
497 | fflush(stdout); | |
498 | } | |
499 | ||
2ac5af03 MW |
500 | static void recovered(secaddr bad_lo, secaddr bad_hi) |
501 | { | |
502 | clear_progress(); | |
503 | moan("skipping %"PRIuSEC" bad sectors (%"PRIuSEC" .. %"PRIuSEC")", | |
504 | bad_hi - bad_lo, bad_lo, bad_hi); | |
505 | if (mapfile) { | |
813c2ce8 | 506 | open_file_on_demand(mapfile, &mapfp, "bad-sector region map"); |
2ac5af03 | 507 | fprintf(mapfp, "%"PRIuSEC" %"PRIuSEC"\n", bad_lo, bad_hi); |
813c2ce8 | 508 | check_write(mapfp, "bad-sector region map"); |
2ac5af03 MW |
509 | } |
510 | if (lseek(outfd, (off_t)(bad_hi - bad_lo)*SECTORSZ, SEEK_CUR) < 0) | |
511 | bail_syserr(errno, "failed to seek past bad sectors"); | |
512 | status = 1; | |
513 | } | |
514 | ||
f0e437bc MW |
515 | struct recoverybuf { |
516 | unsigned char *buf; | |
517 | secaddr sz, pos, start, end; | |
518 | }; | |
519 | ||
520 | static void rearrange_sectors(struct recoverybuf *r, | |
521 | secaddr dest, secaddr src, secaddr len) | |
522 | { | |
523 | assert(dest + len <= r->sz); | |
524 | assert(src + len <= r->sz); | |
525 | memmove(r->buf + dest*SECTORSZ, r->buf + src*SECTORSZ, len*SECTORSZ); | |
526 | } | |
527 | ||
528 | #ifdef DEBUG | |
529 | __attribute__((format(printf, 2, 3))) | |
530 | static void show_recovery_buffer_map(const struct recoverybuf *r, | |
531 | const char *what, ...) | |
532 | { | |
533 | va_list ap; | |
534 | ||
535 | va_start(ap, what); | |
4623c584 | 536 | debug_clear_progress(); |
f0e437bc MW |
537 | printf(";; recovery buffer ("); |
538 | vprintf(what, ap); | |
539 | printf("): " | |
540 | "(%"PRIuSEC") ..%"PRIuSEC".. " | |
541 | "[%"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC"] " | |
542 | "..%"PRIuSEC".. (%"PRIuSEC")\n", | |
543 | r->pos, r->start, | |
544 | r->pos + r->start, r->end - r->start, r->pos + r->end, | |
545 | r->sz - r->end, r->pos + r->sz); | |
546 | va_end(ap); | |
547 | assert(r->start <= r->end); | |
548 | assert(r->end <= r->sz); | |
549 | } | |
550 | #endif | |
551 | ||
552 | static ssize_t recovery_read_sectors(struct recoverybuf *r, | |
553 | secaddr pos, secaddr off, secaddr want) | |
554 | { | |
555 | ssize_t n; | |
556 | ||
9c8ab410 | 557 | assert(off <= r->sz); assert(want <= r->sz - off); |
f0e437bc MW |
558 | n = read_sectors(pos, r->buf + off*SECTORSZ, want); |
559 | return (n); | |
560 | } | |
561 | ||
562 | static ssize_t recovery_read(struct recoverybuf *r, | |
563 | secaddr pos, secaddr want) | |
564 | { | |
565 | secaddr diff, pp, nn; | |
566 | ssize_t n; | |
567 | ||
568 | #ifdef DEBUG | |
4623c584 | 569 | debug_clear_progress(); |
f0e437bc MW |
570 | show_recovery_buffer_map(r, "begin(%"PRIuSEC", %"PRIuSEC")", pos, want); |
571 | #endif | |
572 | ||
573 | if (pos < r->pos) { | |
574 | diff = r->pos - pos; | |
575 | if (r->start + diff >= r->sz) { | |
576 | r->pos = pos; r->start = r->end = 0; | |
577 | #ifdef DEBUG | |
578 | show_recovery_buffer_map(r, "cleared; shift up by %"PRIuSEC"", diff); | |
579 | #endif | |
580 | } else { | |
581 | if (r->end + diff > r->sz) r->end = r->sz - diff; | |
582 | rearrange_sectors(r, r->start + diff, r->start, r->end - r->start); | |
ea027dd6 | 583 | r->pos -= diff; r->start += diff; r->end += diff; |
f0e437bc MW |
584 | #ifdef DEBUG |
585 | show_recovery_buffer_map(r, "shifted up by %"PRIuSEC"", diff); | |
586 | #endif | |
587 | } | |
588 | } else if (pos > r->pos + r->end) { | |
589 | r->pos = pos; r->start = r->end = 0; | |
590 | #ifdef DEBUG | |
591 | show_recovery_buffer_map(r, "cleared; beyond previous region"); | |
592 | #endif | |
593 | } else if (pos + want > r->pos + r->sz) { | |
594 | diff = (pos + want) - (r->pos + r->sz); | |
595 | if (r->end <= diff) { | |
596 | r->pos = pos; r->start = r->end = 0; | |
597 | #ifdef DEBUG | |
598 | show_recovery_buffer_map(r, "cleared; shift down by %"PRIuSEC"", diff); | |
599 | #endif | |
600 | } else { | |
601 | if (r->start < diff) r->start = diff; | |
602 | rearrange_sectors(r, r->start - diff, r->start, r->end - r->start); | |
ea027dd6 | 603 | r->pos += diff; r->start -= diff; r->end -= diff; |
f0e437bc MW |
604 | #ifdef DEBUG |
605 | show_recovery_buffer_map(r, "shifted down by %"PRIuSEC"", diff); | |
606 | #endif | |
607 | } | |
608 | } | |
609 | ||
610 | if (pos < r->pos + r->start) { | |
611 | pp = pos - r->pos; nn = r->start - pp; | |
612 | #ifdef DEBUG | |
613 | printf(";; read low (%"PRIuSEC"@%"PRIuSEC", %"PRIuSEC")", pos, pp, nn); | |
614 | fflush(stdout); | |
615 | #endif | |
616 | n = recovery_read_sectors(r, pos, pp, nn); | |
617 | #ifdef DEBUG | |
c0bff521 | 618 | printf(" -> %zd\n", n); |
f0e437bc MW |
619 | #endif |
620 | if (n != nn) { | |
d935b481 | 621 | if (n >= 0 && n > want) n = want; |
f0e437bc MW |
622 | goto end; |
623 | } | |
624 | r->start = pp; | |
625 | #ifdef DEBUG | |
626 | show_recovery_buffer_map(r, "joined new region"); | |
627 | #endif | |
628 | } | |
629 | ||
630 | if (pos + want > r->pos + r->end) { | |
631 | pp = r->end; nn = (pos + want) - (r->pos + r->end); | |
632 | #ifdef DEBUG | |
633 | printf(";; read high (%"PRIuSEC"@%"PRIuSEC", %"PRIuSEC")", | |
634 | r->pos + pp, pp, nn); | |
62fc1b88 | 635 | fflush(stdout); |
f0e437bc | 636 | #endif |
83c3fbe0 | 637 | n = recovery_read_sectors(r, pos + pp, pp, nn); |
f0e437bc | 638 | #ifdef DEBUG |
c0bff521 | 639 | printf(" -> %zd\n", n); |
f0e437bc MW |
640 | #endif |
641 | if (n > 0) { | |
642 | r->end += n; | |
643 | #ifdef DEBUG | |
644 | show_recovery_buffer_map(r, "joined new region"); | |
645 | #endif | |
646 | } | |
647 | } | |
648 | ||
649 | n = r->pos + r->end - pos; | |
650 | if (!n && want) n = -1; | |
651 | ||
652 | end: | |
653 | #ifdef DEBUG | |
c0bff521 | 654 | show_recovery_buffer_map(r, "done; return %zd", n); |
f0e437bc MW |
655 | #endif |
656 | return (n); | |
657 | } | |
658 | ||
659 | static secaddr run_length_wanted(secaddr pos, secaddr badlen, | |
660 | secaddr sz, secaddr end) | |
661 | { | |
662 | secaddr want; | |
663 | ||
664 | want = 3*badlen/2; | |
665 | if (!want) want = 1; | |
666 | if (want > end - pos) want = end - pos; | |
667 | if (want > sz) want = sz; | |
668 | return (want); | |
669 | } | |
670 | ||
654a81af MW |
671 | static ssize_t find_good_sector(secaddr *pos_inout, secaddr end, |
672 | unsigned char *buf, secaddr sz) | |
673 | { | |
674 | int i; | |
f0e437bc MW |
675 | secaddr pos = *pos_inout, bad_lo, bad_hi, good, step, want; |
676 | struct recoverybuf r; | |
654a81af MW |
677 | ssize_t n; |
678 | ||
f0e437bc | 679 | r.buf = buf; r.sz = sz; r.pos = r.start = r.end = 0; |
654a81af | 680 | report_bad_blocks_progress(pos, pos, errno); |
f0e437bc MW |
681 | |
682 | want = sz; if (want > end - pos) want = end - pos; | |
654a81af | 683 | for (i = 0; i < 4; i++) { |
f0e437bc MW |
684 | n = recovery_read(&r, pos, want); |
685 | #ifdef DEBUG | |
4623c584 | 686 | debug_clear_progress(); |
c0bff521 | 687 | printf(";; [retry] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
688 | pos, pos + want, n); |
689 | #endif | |
654a81af MW |
690 | if (n > 0) { |
691 | clear_progress(); | |
692 | moan("sector %"PRIuSEC" read ok after retry", pos); | |
2ac5af03 | 693 | return (n); |
654a81af MW |
694 | } |
695 | } | |
696 | ||
f0e437bc | 697 | bad_lo = pos; bad_hi = pos + 1; |
654a81af MW |
698 | for (;;) { |
699 | report_bad_blocks_progress(bad_lo, bad_hi, errno); | |
700 | if (bad_hi >= end) { | |
701 | clear_progress(); | |
702 | moan("giving up on this extent"); | |
2ac5af03 | 703 | recovered(bad_lo, end); *pos_inout = end; return (0); |
654a81af | 704 | } |
f0e437bc | 705 | step = 2*(bad_hi - bad_lo); if (step > end - bad_lo) step = end - bad_lo; |
654a81af | 706 | pos = bad_lo + step - 1; |
f0e437bc MW |
707 | want = run_length_wanted(pos, step, sz, end); |
708 | n = recovery_read(&r, pos, want); | |
709 | #ifdef DEBUG | |
4623c584 | 710 | debug_clear_progress(); |
c0bff521 | 711 | printf(";; [bound] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
712 | pos, pos + want, n); |
713 | #endif | |
714 | if (n == want) break; | |
715 | if (n < 0) n = 0; | |
716 | bad_hi = pos + n + 1; | |
654a81af MW |
717 | } |
718 | ||
719 | good = pos; | |
720 | while (good > bad_hi) { | |
721 | report_bad_blocks_progress(bad_lo, bad_hi, errno); | |
722 | pos = bad_hi + (good - bad_hi)/2; | |
f0e437bc MW |
723 | step = pos - bad_lo; |
724 | want = run_length_wanted(pos, step, sz, end); | |
725 | n = recovery_read(&r, pos, want); | |
726 | #ifdef DEBUG | |
4623c584 | 727 | debug_clear_progress(); |
c0bff521 | 728 | printf(";; [limit] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
729 | pos, pos + want, n); |
730 | #endif | |
731 | if (n < 0) n = 0; | |
732 | if (n == want) good = pos; | |
733 | else bad_hi = pos + n + 1; | |
654a81af | 734 | } |
2ac5af03 | 735 | recovered(bad_lo, bad_hi); *pos_inout = good; |
a8625592 | 736 | if (good < r.pos + r.start || r.pos + r.end <= good) |
f0e437bc | 737 | n = 0; |
a8625592 MW |
738 | else { |
739 | n = r.pos + r.end - good; | |
740 | rearrange_sectors(&r, 0, good - r.pos, n); | |
741 | } | |
9dd5dba0 MW |
742 | #ifdef DEBUG |
743 | show_recovery_buffer_map(&r, "returning %zd good sectors at %"PRIuSEC"", | |
744 | n, good); | |
745 | #endif | |
654a81af MW |
746 | return (n); |
747 | } | |
748 | ||
9ac85bf5 | 749 | static void emit(secaddr start, secaddr end) |
7fbe0fb9 MW |
750 | { |
751 | #define BUFSECTORS 512 | |
752 | ||
e98a0749 | 753 | int least; |
7fbe0fb9 | 754 | unsigned char buf[BUFSECTORS*SECTORSZ]; |
788fe88a | 755 | secaddr pos; |
7fbe0fb9 MW |
756 | size_t want; |
757 | ssize_t n; | |
758 | static int first_time = 1; | |
759 | #ifdef DEBUG | |
760 | struct file *f; | |
761 | char fn[MAXFNSZ]; | |
762 | int act = -1; | |
e98a0749 | 763 | int i; |
7fbe0fb9 MW |
764 | #endif |
765 | ||
766 | least = least_live(); | |
767 | ||
768 | #ifdef DEBUG | |
788fe88a | 769 | printf(";; %8"PRIuSEC" .. %"PRIuSEC"\n", start, end); |
7fbe0fb9 MW |
770 | |
771 | for (i = 0; i < filetab.n; i++) { | |
772 | if (!livep(i)) continue; | |
773 | if (act == -1) act = i; | |
774 | f = &filetab.v[i]; store_filename(fn, f->id); | |
788fe88a | 775 | printf(";;\t\t%8"PRIuSEC" .. %-8"PRIuSEC" %s\n", |
7fbe0fb9 MW |
776 | start - f->start, end - f->start, fn); |
777 | } | |
778 | if (act == -1) printf(";;\t\t#<no live source>\n"); | |
779 | assert(act == least); | |
780 | #endif | |
781 | ||
782 | if (least == -1) | |
5cc1b8be | 783 | { file = 0; vob = 0; } |
7fbe0fb9 | 784 | else { |
5cc1b8be MW |
785 | file = &filetab.v[least]; |
786 | switch (id_kind(file->id)) { | |
7fbe0fb9 | 787 | case RAW: |
5cc1b8be | 788 | vob = 0; |
7fbe0fb9 MW |
789 | break; |
790 | case VOB: | |
791 | if (first_time) { clear_progress(); first_time = 0; } | |
5cc1b8be MW |
792 | vob = DVDOpenFile(dvd, id_title(file->id), |
793 | id_part(file->id) | |
794 | ? DVD_READ_TITLE_VOBS | |
795 | : DVD_READ_MENU_VOBS); | |
796 | if (!vob) | |
7fbe0fb9 | 797 | bail("failed to open %s %u", |
5cc1b8be MW |
798 | id_part(file->id) ? "title" : "menu", |
799 | id_title(file->id)); | |
7fbe0fb9 MW |
800 | break; |
801 | default: | |
802 | abort(); | |
803 | } | |
804 | } | |
805 | ||
806 | pos = start; | |
807 | while (pos < end) { | |
808 | want = end - pos; if (want > BUFSECTORS) want = BUFSECTORS; | |
5cc1b8be | 809 | n = read_sectors(pos, buf, want); |
7fbe0fb9 | 810 | |
654a81af | 811 | if (n <= 0) n = find_good_sector(&pos, end, buf, BUFSECTORS); |
7fbe0fb9 | 812 | if (n > 0) { carefully_write(outfd, buf, n*SECTORSZ); pos += n; } |
5cc1b8be | 813 | report_progress(pos); fflush(stdout); |
7fbe0fb9 MW |
814 | } |
815 | ||
5cc1b8be | 816 | if (vob) { DVDCloseFile(vob); vob = 0; } |
7fbe0fb9 MW |
817 | |
818 | #undef BUFSECTORS | |
819 | } | |
820 | ||
821 | #ifdef notdef | |
822 | static void logfn(void *p, dvd_logger_level_t lev, | |
823 | const char *fmt, va_list ap) | |
824 | { | |
825 | switch (lev) { | |
826 | case DVD_LOGGER_LEVEL_ERROR: | |
827 | fprintf("%s (libdvdread error): ", prog); | |
828 | break; | |
829 | case DVD_LOGGER_LEVEL_WARN: | |
830 | fprintf("%s (libdvdread warning): ", prog); | |
831 | break; | |
832 | default: | |
833 | return; | |
834 | } | |
835 | vfprintf(stderr, fmt, ap); | |
836 | fputc('\n', stderr); | |
837 | } | |
838 | static const dvd_logger_cb logger = { logfn }; | |
839 | #endif | |
840 | ||
841 | struct buf { | |
842 | char *p; | |
843 | size_t n, sz; | |
844 | }; | |
845 | #define BUF_INIT { 0, 0, 0 } | |
846 | #define BUF_REWIND(b) do { (b)->n = 0; } while (0) | |
847 | #define BUF_FREE(b) do { \ | |
848 | buf *_b = (b); \ | |
849 | free(_b->p); _b->p = 0; _b->n = _b->sz = 0; \ | |
850 | } while (0) | |
851 | #define BUF_PUTC(b, ch) do { \ | |
852 | struct buf *_b = (b); \ | |
853 | if (_b->n >= _b->sz) { \ | |
854 | _b->sz = _b->sz ? 2*_b->sz : 32; \ | |
855 | _b->p = realloc(_b->p, _b->sz); \ | |
856 | if (!_b->p) bail("out of memory allocating %zu bytes", _b->sz); \ | |
857 | } \ | |
858 | _b->p[_b->n] = (ch); \ | |
859 | } while (0) | |
860 | ||
861 | static int read_line(FILE *fp, struct buf *b) | |
862 | { | |
863 | int ch; | |
864 | ||
865 | ch = getc(fp); | |
866 | if (ch == EOF) | |
867 | return (-1); | |
868 | else if (ch != '\n') do { | |
869 | BUF_PUTC(b, ch); b->n++; | |
870 | ch = getc(fp); | |
871 | } while (ch != EOF && ch != '\n'); | |
872 | BUF_PUTC(b, 0); | |
873 | return (0); | |
874 | } | |
875 | ||
87a145d2 MW |
876 | #define PRF_HYPHEN 1u |
877 | static int parse_range(const char *p, unsigned f, | |
878 | secaddr *start_out, secaddr *end_out) | |
879 | { | |
880 | char *q; | |
881 | int err, rc; | |
882 | unsigned long start, end; | |
883 | ||
884 | err = errno; | |
885 | ||
886 | if (ISDIGIT(*p)) { | |
887 | start = strtoul(p, &q, 0); | |
888 | if (errno || start >= SECLIMIT) { rc = -1; goto end; } | |
889 | *start_out = start; p = q; | |
890 | } else if (!(f&PRF_HYPHEN)) | |
891 | { rc = -1; goto end; } | |
892 | else | |
893 | start = 0; | |
894 | ||
895 | if (f&PRF_HYPHEN) { | |
896 | if (*p != '-') { rc = -1; goto end; } | |
897 | p++; | |
898 | } else { | |
899 | if (!ISSPACE(*p)) { rc = -1; goto end; } | |
900 | do p++; while (ISSPACE(*p)); | |
901 | } | |
902 | ||
903 | if (ISDIGIT(*p)) { | |
904 | end = strtoul(p, &q, 0); | |
905 | if (errno || end > SECLIMIT || end < start) { rc = -1; goto end; } | |
906 | *end_out = end; p = q; | |
907 | } else if (!(f&PRF_HYPHEN)) | |
908 | { rc = -1; goto end; } | |
909 | ||
910 | if (!(f&PRF_HYPHEN)) while (ISSPACE(*p)) p++; | |
911 | if (*p) { rc = -1; goto end; } | |
912 | ||
913 | rc = 0; | |
914 | end: | |
915 | errno = err; | |
916 | return (rc); | |
917 | } | |
918 | ||
7fbe0fb9 MW |
919 | int main(int argc, char *argv[]) |
920 | { | |
921 | unsigned f = 0; | |
922 | char *p; | |
923 | uint64_t volsz; | |
788fe88a | 924 | secaddr pos; |
7fbe0fb9 | 925 | off_t off; |
d79c7c9a | 926 | secaddr start, end, last; |
7fbe0fb9 | 927 | const struct event *ev; |
69f3ec37 | 928 | const char *device, *outfile; |
513eba44 | 929 | struct badblock *bad; |
9ac85bf5 | 930 | int opt, blksz; |
81a03df8 | 931 | unsigned n; |
7fbe0fb9 MW |
932 | size_t i; |
933 | FILE *fp; | |
934 | struct buf buf = BUF_INIT; | |
d766561d | 935 | struct stat st; |
7fbe0fb9 MW |
936 | #ifdef DEBUG |
937 | const struct file *file; | |
938 | char fn[MAXFNSZ]; | |
939 | #endif | |
940 | ||
941 | #define f_bogus 1u | |
942 | #define f_continue 2u | |
943 | #define f_fixup 4u | |
944 | #define f_write 256u | |
945 | ||
946 | p = strrchr(argv[0], '/'); prog = p ? p + 1 : argv[0]; | |
947 | for (;;) { | |
69f3ec37 | 948 | opt = getopt(argc, argv, "hFR:X:b:cr:"); if (opt < 0) break; |
7fbe0fb9 MW |
949 | switch (opt) { |
950 | case 'h': usage(stderr); exit(0); | |
7fbe0fb9 MW |
951 | case 'F': f |= f_fixup; break; |
952 | case 'R': | |
953 | fp = fopen(optarg, "r"); | |
954 | if (!fp) | |
955 | bail_syserr(errno, "failed to open ranges file `%s'", optarg); | |
d79c7c9a | 956 | i = 0; last = -1; |
7fbe0fb9 MW |
957 | for (;;) { |
958 | BUF_REWIND(&buf); if (read_line(fp, &buf)) break; | |
959 | p = buf.p; i++; | |
960 | while (ISSPACE(*p)) p++; | |
961 | if (!*p || *p == '#') continue; | |
87a145d2 MW |
962 | if (parse_range(p, 0, &start, &end) || |
963 | (last <= SECLIMIT && start < last)) | |
964 | bail("bad range `%s' at `%s' line %zu", buf.p, optarg, i); | |
7fbe0fb9 | 965 | if (start < end) { |
d79c7c9a MW |
966 | if (start == last) |
967 | eventq.v[eventq.n - 1].pos = end; | |
968 | else { | |
969 | put_event(EV_WRITE, 0, start); | |
970 | put_event(EV_STOP, 0, end); | |
971 | } | |
972 | last = end; | |
7fbe0fb9 MW |
973 | } |
974 | } | |
975 | if (ferror(fp)) | |
976 | bail_syserr(errno, "failed to read ranges file `%s'", optarg); | |
977 | break; | |
513eba44 MW |
978 | case 'X': |
979 | fp = fopen(optarg, "r"); | |
980 | if (!fp) | |
981 | bail_syserr(errno, "failed to open bad-blocks file `%s'", optarg); | |
982 | i = 0; last = -1; | |
983 | for (;;) { | |
984 | BUF_REWIND(&buf); if (read_line(fp, &buf)) break; | |
985 | p = buf.p; i++; | |
986 | while (ISSPACE(*p)) p++; | |
987 | if (!*p || *p == '#') continue; | |
988 | if (parse_range(p, 0, &start, &end) || | |
989 | (last <= SECLIMIT && start < last)) | |
990 | bail("bad range `%s' at `%s' line %zu", buf.p, optarg, i); | |
991 | if (start < end) | |
992 | { VEC_PUSH(bad, &badblocks); bad->start = start; bad->end = end; } | |
993 | } | |
994 | if (ferror(fp)) | |
995 | bail_syserr(errno, "failed to read bad-blocks file `%s'", optarg); | |
996 | break; | |
7fbe0fb9 | 997 | case 'b': |
5cc1b8be MW |
998 | if (mapfile) bail("can't have multiple map files"); |
999 | mapfile = optarg; | |
7fbe0fb9 MW |
1000 | break; |
1001 | case 'c': f |= f_continue; break; | |
7fbe0fb9 | 1002 | case 'r': |
87a145d2 MW |
1003 | start = 0; end = -1; |
1004 | if (parse_range(optarg, PRF_HYPHEN, &start, &end)) | |
1005 | bail("bad range `%s'", optarg); | |
1006 | if (start < end) { | |
7fbe0fb9 | 1007 | put_event(EV_WRITE, 0, start); |
87a145d2 | 1008 | if (end <= SECLIMIT) put_event(EV_STOP, 0, end); |
7fbe0fb9 | 1009 | } |
7fbe0fb9 MW |
1010 | break; |
1011 | default: f |= f_bogus; break; | |
1012 | } | |
1013 | } | |
69f3ec37 | 1014 | if (argc - optind != 2) f |= f_bogus; |
7fbe0fb9 MW |
1015 | if (f&f_bogus) { usage(stderr); exit(2); } |
1016 | ||
69f3ec37 MW |
1017 | device = argv[optind]; outfile = argv[optind + 1]; |
1018 | ||
513eba44 MW |
1019 | if (badblocks.n) { |
1020 | qsort(badblocks.v, badblocks.n, sizeof(struct badblock), | |
1021 | compare_badblock); | |
1022 | #ifdef DEBUG | |
1023 | printf(";; fake bad blocks:\n"); | |
1024 | for (i = 0; i < badblocks.n; i++) | |
1025 | printf(";;\t%8"PRIuSEC" .. %"PRIuSEC"\n", | |
1026 | badblocks.v[i].start, badblocks.v[i].end); | |
1027 | #endif | |
1028 | } | |
1029 | ||
5cc1b8be MW |
1030 | dvdfd = open(device, O_RDONLY); |
1031 | if (dvdfd < 0) | |
d766561d | 1032 | bail_syserr(errno, "failed to open device `%s'", device); |
5cc1b8be | 1033 | if (fstat(dvdfd, &st)) |
d766561d MW |
1034 | bail_syserr(errno, "failed to stat device `%s'", device); |
1035 | if (S_ISREG(st.st_mode)) { | |
1036 | blksz = SECTORSZ; | |
1037 | volsz = st.st_size; | |
1038 | } else if (S_ISBLK(st.st_mode)) { | |
5cc1b8be | 1039 | if (ioctl(dvdfd, BLKSSZGET, &blksz)) |
d766561d | 1040 | bail_syserr(errno, "failed to get block size for `%s'", device); |
5cc1b8be | 1041 | if (ioctl(dvdfd, BLKGETSIZE64, &volsz)) |
d766561d MW |
1042 | bail_syserr(errno, "failed to get volume size for `%s'", device); |
1043 | } else | |
1044 | bail("can't use `%s' as source: expected file or block device", device); | |
7fbe0fb9 MW |
1045 | |
1046 | if (blksz != SECTORSZ) | |
1047 | bail("device `%s' block size %d /= %d", device, blksz, SECTORSZ); | |
1048 | if (volsz%SECTORSZ) | |
1049 | bail("device `%s' volume size %"PRIu64" not a multiple of %d", | |
1050 | device, volsz, SECTORSZ); | |
1051 | ||
1052 | if (outfile) { | |
1053 | outfd = open(outfile, O_WRONLY | O_CREAT, 0666); | |
1054 | if (outfd < 0) | |
1055 | bail_syserr(errno, "failed to create output file `%s'", outfile); | |
1056 | } | |
1057 | ||
1058 | if (f&f_continue) { | |
7fbe0fb9 MW |
1059 | off = lseek(outfd, 0, SEEK_END); |
1060 | if (off < 0) | |
1061 | bail_syserr(errno, "failed to seek to end of output file `%s'", | |
1062 | outfile); | |
1063 | put_event(EV_WRITE, 0, off/SECTORSZ); | |
1064 | } else if (!eventq.n && !(f&f_fixup)) | |
1065 | put_event(EV_WRITE, 0, 0); | |
1066 | ||
1067 | #ifdef notdef | |
5cc1b8be | 1068 | dvd = DVDOpen2(0, &logger, device); |
7fbe0fb9 | 1069 | #else |
5cc1b8be | 1070 | dvd = DVDOpen(device); |
7fbe0fb9 | 1071 | #endif |
5cc1b8be | 1072 | if (!dvd) bail("failed to open DVD on `%s'", device); |
7fbe0fb9 MW |
1073 | |
1074 | /* It's fast enough just to check everything. */ | |
5cc1b8be | 1075 | put_menu(dvd, 0); |
7fbe0fb9 | 1076 | for (i = 1; i < 100; i++) { |
5cc1b8be MW |
1077 | put_menu(dvd, i); |
1078 | put_title(dvd, i); | |
7fbe0fb9 MW |
1079 | } |
1080 | put_file(mkident(RAW, 0, 0), 0, volsz/SECTORSZ); | |
1081 | assert(filetab.n <= MAXFILES); | |
1082 | ||
5cc1b8be MW |
1083 | for (i = 0, limit = 0; i < filetab.n; i++) |
1084 | if (filetab.v[i].end > limit) limit = filetab.v[i].end; | |
7fbe0fb9 | 1085 | |
5cc1b8be | 1086 | if (end > limit) end = limit; |
7fbe0fb9 MW |
1087 | |
1088 | #ifdef DEBUG | |
1089 | printf("\n;; files:\n"); | |
1090 | for (i = 0; i < filetab.n; i++) { | |
1091 | file = &filetab.v[i]; | |
1092 | store_filename(fn, file->id); | |
788fe88a | 1093 | printf(";;\t%8"PRIuSEC" %s\n", file->start, fn); |
7fbe0fb9 MW |
1094 | } |
1095 | #endif | |
1096 | ||
1097 | qsort(eventq.v, eventq.n, sizeof(struct event), compare_event); | |
1098 | ||
81a03df8 | 1099 | f &= ~f_write; start = 0; n = 0; |
7fbe0fb9 MW |
1100 | for (i = 0; i < eventq.n; i++) { |
1101 | ev = &eventq.v[i]; | |
1102 | switch (ev->ev) { | |
1103 | case EV_WRITE: | |
1104 | if (f&f_write) | |
87a145d2 | 1105 | bail("overlapping ranges: range from %"PRIuSEC" still open at %"PRIuSEC"", |
7fbe0fb9 | 1106 | start, ev->pos); |
81a03df8 | 1107 | n++; f |= f_write; start = ev->pos; |
7fbe0fb9 MW |
1108 | break; |
1109 | case EV_STOP: | |
1110 | f &= ~f_write; | |
1111 | break; | |
1112 | } | |
1113 | } | |
1114 | ||
1115 | f &= ~f_write; start = 0; | |
1116 | for (i = 0; i < eventq.n; i++) { | |
1117 | ev = &eventq.v[i]; | |
1118 | switch (ev->ev) { | |
1119 | case EV_WRITE: start = ev->pos; f |= f_write; break; | |
5cc1b8be | 1120 | case EV_STOP: nsectors += ev->pos - start; f &= ~f_write; break; |
7fbe0fb9 | 1121 | } |
5cc1b8be | 1122 | if (ev->pos >= limit) break; |
7fbe0fb9 MW |
1123 | if (f&f_fixup) start = ev->pos; |
1124 | } | |
1125 | eventq.n = i; | |
1126 | if (f&f_fixup) { | |
1127 | put_event(EV_WRITE, 0, start); | |
81a03df8 | 1128 | n++; f |= f_write; |
7fbe0fb9 MW |
1129 | } |
1130 | if (f&f_write) { | |
5cc1b8be MW |
1131 | nsectors += limit - start; |
1132 | put_event(EV_STOP, 0, limit); | |
7fbe0fb9 | 1133 | } |
5cc1b8be | 1134 | if (n == 1 && (f&f_write)) flags |= F_ALLPROGRESS; |
7fbe0fb9 MW |
1135 | f &= ~f_write; |
1136 | ||
1137 | #ifdef DEBUG | |
1138 | printf("\n;; event sweep:\n"); | |
1139 | #endif | |
1140 | for (pos = 0, i = 0; i < eventq.n; i++) { | |
1141 | ev = &eventq.v[i]; | |
1142 | if (ev->pos > pos) { | |
9ac85bf5 | 1143 | if (f&f_write) emit(pos, ev->pos); |
7fbe0fb9 MW |
1144 | pos = ev->pos; |
1145 | #ifdef DEBUG | |
4623c584 | 1146 | debug_clear_progress(); |
7fbe0fb9 MW |
1147 | printf(";;\n"); |
1148 | #endif | |
1149 | } | |
1150 | switch (ev->ev) { | |
1151 | case EV_BEGIN: | |
1152 | set_live(ev->file); | |
1153 | #ifdef DEBUG | |
1154 | store_filename(fn, filetab.v[ev->file].id); | |
4623c584 | 1155 | debug_clear_progress(); |
788fe88a | 1156 | printf(";; %8"PRIuSEC": begin `%s'\n", pos, fn); |
7fbe0fb9 MW |
1157 | #endif |
1158 | break; | |
1159 | case EV_WRITE: | |
5cc1b8be | 1160 | gettimeofday(&last_time, 0); last_pos = pos; |
69f3ec37 | 1161 | if (lseek(outfd, (off_t)ev->pos*SECTORSZ, SEEK_SET) < 0) |
7fbe0fb9 MW |
1162 | bail_syserr(errno, |
1163 | "failed to seek to resume position " | |
788fe88a | 1164 | "(sector %"PRIuSEC") in output file `%s'", |
7fbe0fb9 MW |
1165 | ev->pos, outfile); |
1166 | #ifdef DEBUG | |
4623c584 | 1167 | debug_clear_progress(); |
788fe88a | 1168 | printf(";; %8"PRIuSEC": begin write\n", pos); |
7fbe0fb9 MW |
1169 | #endif |
1170 | f |= f_write; | |
1171 | break; | |
1172 | case EV_STOP: | |
1173 | f &= ~f_write; | |
1174 | #ifdef DEBUG | |
4623c584 | 1175 | debug_clear_progress(); |
788fe88a | 1176 | printf(";; %8"PRIuSEC": end write\n", pos); |
7fbe0fb9 MW |
1177 | #endif |
1178 | break; | |
1179 | case EV_END: | |
1180 | clear_live(ev->file); | |
1181 | #ifdef DEBUG | |
1182 | store_filename(fn, filetab.v[ev->file].id); | |
4623c584 | 1183 | debug_clear_progress(); |
788fe88a | 1184 | printf(";; %8"PRIuSEC": end `%s'\n", pos, fn); |
7fbe0fb9 MW |
1185 | #endif |
1186 | break; | |
1187 | default: abort(); | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | if (progresslen) putchar('\n'); | |
1192 | ||
69f3ec37 | 1193 | if (ftruncate(outfd, (off_t)limit*SECTORSZ) < 0) |
7fbe0fb9 MW |
1194 | bail_syserr(errno, "failed to set output file `%s' length", outfile); |
1195 | ||
5cc1b8be MW |
1196 | if (dvd) DVDClose(dvd); |
1197 | if (dvdfd >= 0) close(dvdfd); | |
7fbe0fb9 | 1198 | if (outfd >= 0) close(outfd); |
813c2ce8 | 1199 | carefully_fclose(mapfp, "bad-sector region map"); |
7fbe0fb9 MW |
1200 | |
1201 | #undef f_bogus | |
1202 | #undef f_continue | |
1203 | #undef f_fixup | |
1204 | #undef f_write | |
1205 | ||
1206 | return (status); | |
1207 | } |