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 | ||
35 | #define N(v) (sizeof(v)/sizeof((v)[0])) | |
36 | ||
72279434 MW |
37 | #define SECTORSZ 2048 |
38 | #define SECTORS(n) (((n) + (SECTORSZ - 1))/SECTORSZ) | |
7fbe0fb9 MW |
39 | |
40 | static const char *prog = "<unset>"; | |
41 | static int status = 0; | |
42 | ||
43 | static void usage(FILE *fp) | |
44 | { | |
45 | fprintf(fp, | |
46 | "usage: %s [-c] [-D DEV] [-R MAP] " | |
47 | "[-b OUTMAP] [-o OUTFILE] [-r [START]-[END]]\n", | |
48 | prog); | |
49 | } | |
50 | ||
51 | static void vmoan(const char *fmt, va_list ap) | |
52 | { fprintf(stderr, "%s: ", prog); vfprintf(stderr, fmt, ap); } | |
dae431c1 MW |
53 | |
54 | __attribute__((format(printf, 1, 2))) | |
55 | static void moan(const char *fmt, ...) | |
56 | { | |
57 | va_list ap; | |
58 | ||
59 | va_start(ap, fmt); vmoan(fmt, ap); va_end(ap); | |
60 | fputc('\n', stderr); | |
61 | } | |
62 | ||
7fbe0fb9 MW |
63 | __attribute__((noreturn, format(printf, 1, 2))) |
64 | static void bail(const char *fmt, ...) | |
65 | { | |
66 | va_list ap; | |
67 | ||
68 | va_start(ap, fmt); vmoan(fmt, ap); va_end(ap); | |
69 | fputc('\n', stderr); | |
70 | exit(2); | |
71 | } | |
dae431c1 | 72 | |
7fbe0fb9 MW |
73 | __attribute__((noreturn, format(printf, 2, 3))) |
74 | static void bail_syserr(int err, const char *fmt, ...) | |
75 | { | |
76 | va_list ap; | |
77 | ||
78 | va_start(ap, fmt); vmoan(fmt, ap); va_end(ap); | |
79 | if (err) fprintf(stderr, ": %s", strerror(errno)); | |
80 | fputc('\n', stderr); | |
81 | exit(2); | |
82 | } | |
83 | ||
72279434 MW |
84 | #define DEFVEC(vtype, etype) \ |
85 | typedef struct { etype *v; size_t n, sz; } vtype | |
86 | #define VEC_INIT { 0, 0, 0 } | |
87 | #define VEC_FREE(vv) do { \ | |
88 | free((vv)->v); (vv)->v 0; (vv)->n = (vv)->sz = 0; \ | |
89 | } while (0) | |
90 | #define VEC_PUSH(p, vv) do { \ | |
91 | size_t _want; \ | |
92 | if ((vv)->n >= (vv)->sz) { \ | |
93 | (vv)->sz = (vv)->sz ? 2*(vv)->sz : 32; \ | |
94 | _want = (vv)->sz*sizeof(*(vv)->v); \ | |
95 | (vv)->v = realloc((vv)->v, _want); \ | |
96 | if (!(vv)->v) bail("out of memory allocating %zu bytes", _want); \ | |
97 | } \ | |
98 | (p) = &(vv)->v[(vv)->n++]; \ | |
99 | } while (0) | |
100 | ||
101 | enum { RAW, IFO, VOB, BUP }; | |
102 | typedef uint_least32_t ident; | |
103 | ||
104 | static inline ident mkident(unsigned kind, unsigned title, unsigned part) | |
105 | { return (((ident)kind << 0) | ((ident)title << 8) | ((ident)part << 16)); } | |
106 | static inline unsigned id_kind(ident id) { return ((id >> 0)&0x0ff); } | |
107 | static inline unsigned id_title(ident id) { return ((id >> 8)&0x0ff); } | |
108 | static inline unsigned id_part(ident id) { return ((id >> 16)&0x0ff); } | |
109 | ||
7fbe0fb9 MW |
110 | #define MAXFNSZ (1 + 8 + 1 + 12 + 1) |
111 | ||
112 | static void store_filename(char *buf, ident id) | |
113 | { | |
114 | switch (id_kind(id)) { | |
115 | case RAW: | |
116 | sprintf(buf, "#<raw device>"); | |
117 | break; | |
118 | case IFO: | |
119 | if (!id_title(id)) sprintf(buf, "/VIDEO_TS/VIDEO_TS.IFO"); | |
120 | else sprintf(buf, "/VIDEO_TS/VTS_%02u_0.IFO", id_title(id)); | |
121 | break; | |
122 | case BUP: | |
123 | if (!id_title(id)) sprintf(buf, "/VIDEO_TS/VIDEO_TS.BUP"); | |
124 | else sprintf(buf, "/VIDEO_TS/VTS_%02u_0.BUP", id_title(id)); | |
125 | break; | |
126 | case VOB: | |
127 | if (!id_title(id)) sprintf(buf, "/VIDEO_TS/VIDEO_TS.VOB"); | |
128 | else | |
129 | sprintf(buf, "/VIDEO_TS/VTS_%02u_%u.VOB", id_title(id), id_part(id)); | |
130 | break; | |
131 | default: | |
132 | abort(); | |
133 | } | |
134 | } | |
135 | ||
788fe88a MW |
136 | typedef uint_least32_t secaddr; |
137 | #define PRIuSEC PRIuLEAST32 | |
138 | ||
7fbe0fb9 MW |
139 | #define MAXFILES (1 + 2*99 + 1) |
140 | struct file { | |
141 | ident id; | |
788fe88a | 142 | secaddr start, end; |
7fbe0fb9 MW |
143 | }; |
144 | DEFVEC(file_v, struct file); | |
145 | static file_v filetab = VEC_INIT; | |
146 | ||
d79ff9c5 | 147 | enum { EV_STOP, EV_BEGIN, EV_END, EV_WRITE }; |
7fbe0fb9 MW |
148 | struct event { |
149 | unsigned char ev, file; | |
788fe88a | 150 | secaddr pos; |
7fbe0fb9 MW |
151 | }; |
152 | DEFVEC(event_v, struct event); | |
153 | static event_v eventq = VEC_INIT; | |
154 | ||
72279434 MW |
155 | static int compare_event(const void *a, const void *b) |
156 | { | |
157 | const struct event *eva = a, *evb = b; | |
158 | ||
159 | if (eva->pos < evb->pos) return (-1); | |
160 | else if (eva->pos > evb->pos) return (+1); | |
161 | ||
162 | if (eva->ev < evb->ev) return (-1); | |
163 | else if (eva->ev > evb->ev) return (+1); | |
164 | ||
165 | if (eva->file < evb->file) return (-1); | |
166 | else if (eva->file > evb->file) return (+1); | |
167 | ||
168 | return (0); | |
169 | } | |
170 | ||
7fbe0fb9 MW |
171 | typedef uint_least32_t bits; |
172 | static bits live[(MAXFILES + 31)/32]; | |
173 | ||
174 | static inline int livep(unsigned i) | |
175 | { return (live[i/32]&((bits)1 << (i%32))); } | |
176 | static inline void set_live(unsigned i) | |
177 | { live[i/32] |= (bits)1 << (i%32); } | |
178 | static inline void clear_live(unsigned i) | |
179 | { live[i/32] &= ~((bits)1 << (i%32)); } | |
180 | static inline int least_live(void) | |
181 | { | |
182 | unsigned i, n = (filetab.n + 32)/32; | |
183 | bits b; | |
184 | ||
185 | for (i = 0; i < n; i++) { b = live[i]; if (b) goto found; } | |
186 | return (-1); | |
187 | found: | |
188 | i *= 32; | |
189 | if (!(b&0x0000ffff)) { b >>= 16; i += 16; } | |
190 | if (!(b&0x000000ff)) { b >>= 8; i += 8; } | |
191 | if (!(b&0x0000000f)) { b >>= 4; i += 4; } | |
192 | if (!(b&0x00000003)) { b >>= 2; i += 2; } | |
193 | if (!(b&0x00000001)) { b >>= 1; i += 1; } | |
194 | assert(b&1); | |
195 | return (i); | |
196 | } | |
197 | ||
788fe88a | 198 | static void put_event(unsigned evtype, unsigned file, secaddr pos) |
7fbe0fb9 MW |
199 | { |
200 | struct event *ev; | |
201 | ||
202 | VEC_PUSH(ev, &eventq); | |
203 | ev->ev = evtype; ev->file = file; ev->pos = pos; | |
204 | } | |
205 | ||
788fe88a | 206 | static void put_file(ident id, secaddr start, secaddr end) |
7fbe0fb9 MW |
207 | { |
208 | struct file *f; | |
209 | size_t i; | |
210 | ||
211 | VEC_PUSH(f, &filetab); i = f - filetab.v; | |
212 | f->id = id; f->start = start; f->end = end; | |
213 | put_event(EV_BEGIN, i, start); | |
214 | put_event(EV_END, i, end); | |
215 | } | |
216 | ||
217 | static void put_menu(dvd_reader_t *dvd, unsigned title) | |
218 | { | |
219 | ident id = mkident(VOB, title, 0); | |
220 | char fn[MAXFNSZ]; | |
788fe88a | 221 | secaddr start, len; |
7fbe0fb9 MW |
222 | |
223 | store_filename(fn, id); | |
224 | start = UDFFindFile(dvd, fn, &len); if (!start) return; | |
225 | #ifdef DEBUG | |
788fe88a | 226 | printf(";; %8"PRIuSEC" .. %-8"PRIuSEC": %s\n", |
7fbe0fb9 MW |
227 | start, start + SECTORS(len), fn); |
228 | #endif | |
229 | put_file(id, start, start + SECTORS(len)); | |
230 | } | |
231 | ||
232 | static void put_title(dvd_reader_t *dvd, unsigned title) | |
233 | { | |
234 | char fn[MAXFNSZ]; | |
788fe88a | 235 | secaddr start[9], len[9]; |
7fbe0fb9 MW |
236 | unsigned i, npart; |
237 | ||
238 | for (i = 0; i < 9; i++) { | |
239 | store_filename(fn, mkident(VOB, title, i + 1)); | |
240 | start[i] = UDFFindFile(dvd, fn, &len[i]); if (!start[i]) break; | |
241 | } | |
242 | npart = i; if (!npart) return; | |
243 | ||
244 | #ifdef DEBUG | |
245 | for (i = 0; i < npart; i++) { | |
246 | store_filename(fn, mkident(VOB, title, i + 1)); | |
788fe88a | 247 | printf(";; %8"PRIuSEC" .. %-8"PRIuSEC": %s\n", |
7fbe0fb9 MW |
248 | start[i], start[i] + SECTORS(len[i]), fn); |
249 | } | |
250 | #endif | |
251 | ||
252 | if (npart > 1) | |
253 | for (i = 0; i < npart - 1; i++) { | |
254 | if (len[i]%SECTORSZ) | |
788fe88a | 255 | bail("title %u part %u length = %"PRIuSEC" not a multiple of %d", |
7fbe0fb9 MW |
256 | title, i, len[i], SECTORSZ); |
257 | if (start[i] + len[i]/SECTORSZ != start[i + 1]) | |
788fe88a MW |
258 | bail |
259 | ("title %u part %u end = %"PRIuSEC" /= part %u start = %"PRIuSEC"", | |
260 | title, i, start[i] + len[i]/SECTORSZ, i + 1, start[i + 1]); | |
7fbe0fb9 MW |
261 | } |
262 | ||
263 | put_file(mkident(VOB, title, 1), | |
264 | start[0], start[npart - 1] + SECTORS(len[npart - 1])); | |
265 | } | |
266 | ||
7fbe0fb9 MW |
267 | static int progresslen = 0; |
268 | ||
269 | static void clear_progress_internal(void) | |
270 | { while (progresslen) { fputs("\b \b", stdout); progresslen--; } } | |
271 | static void clear_progress(void) | |
272 | { clear_progress_internal(); fflush(stdout); } | |
273 | static void vappend_progress(const char *fmt, va_list ap) | |
274 | { progresslen += vprintf(fmt, ap); } | |
275 | __attribute__((format(printf, 1, 2))) | |
276 | static void append_progress(const char *fmt, ...) | |
277 | { | |
278 | va_list ap; | |
279 | ||
280 | va_start(ap, fmt); | |
281 | vappend_progress(fmt, ap); | |
282 | va_end(ap); | |
283 | } | |
284 | __attribute__((format(printf, 1, 2))) | |
285 | static void print_progress(const char *fmt, ...) | |
286 | { | |
287 | va_list ap; | |
288 | ||
289 | va_start(ap, fmt); | |
290 | clear_progress_internal(); | |
291 | vappend_progress(fmt, ap); | |
292 | va_end(ap); | |
293 | } | |
294 | ||
5cc1b8be MW |
295 | static dvd_reader_t *dvd; |
296 | static int dvdfd = -1; | |
297 | static struct file *file; | |
298 | static dvd_file_t *vob; | |
299 | ||
300 | unsigned flags; | |
301 | # define F_ALLPROGRESS 1u | |
302 | static secaddr last_pos, limit, nsectors, ndone; | |
303 | static struct timeval last_time; | |
304 | static double wsum, wcount; | |
305 | static const char *mapfile; static FILE *mapfp; | |
306 | ||
307 | static void report_progress(secaddr pos) | |
7fbe0fb9 MW |
308 | { |
309 | char etastr[32]; | |
310 | struct timeval now; | |
311 | int eta; | |
81a03df8 | 312 | double percent, t, f, g, rate; |
7fbe0fb9 MW |
313 | char *unit; |
314 | ||
315 | #define ALPHA 0.02 | |
316 | #define BETA (1 - ALPHA) | |
317 | ||
318 | gettimeofday(&now, 0); | |
5cc1b8be MW |
319 | t = (now.tv_sec - last_time.tv_sec) + |
320 | (now.tv_usec - last_time.tv_usec)/1000000.0; | |
7fbe0fb9 MW |
321 | |
322 | if (t) { | |
5cc1b8be MW |
323 | g = wcount ? pow(BETA, t) : 0.0; f = (1 - g)/(1 - BETA); |
324 | wsum = f*(pos - last_pos)/t + g*wsum; | |
325 | wcount = f + g*wcount; | |
326 | ndone += pos - last_pos; | |
327 | last_time = now; last_pos = pos; | |
7fbe0fb9 MW |
328 | } |
329 | ||
5cc1b8be | 330 | if (!wsum || !wcount) |
7fbe0fb9 MW |
331 | { rate = 0; strcpy(etastr, "???"); } |
332 | else { | |
5cc1b8be MW |
333 | rate = wsum/wcount; |
334 | eta = (int)((nsectors - ndone)/rate); | |
7fbe0fb9 MW |
335 | sprintf(etastr, "%d:%02d:%02d", eta/3600, (eta/60)%60, eta%60); |
336 | } | |
337 | ||
338 | rate *= SECTORSZ; unit = ""; | |
339 | if (rate > 128) { rate /= 1024; unit = "k"; } | |
340 | if (rate > 128) { rate /= 1024; unit = "M"; } | |
341 | if (rate > 128) { rate /= 1024; unit = "G"; } | |
342 | ||
5cc1b8be MW |
343 | if (flags&F_ALLPROGRESS) percent = pos*100.0/limit; |
344 | else percent = ndone*100.0/nsectors; | |
788fe88a MW |
345 | print_progress |
346 | ("copied %.1f%% (%"PRIuSEC" of %"PRIuSEC"; %.1f %sB/s, ETA %s)", | |
5cc1b8be MW |
347 | percent, pos, limit, rate, unit, etastr); |
348 | if (file && id_kind(file->id) == VOB) { | |
7fbe0fb9 | 349 | append_progress(" -- %s %d %3.1f%%", |
5cc1b8be MW |
350 | id_part(file->id) ? "title" : "menu", |
351 | id_title(file->id), | |
352 | (pos - file->start)*100.0/ | |
353 | (file->end - file->start)); | |
7fbe0fb9 MW |
354 | } |
355 | ||
356 | #undef ALPHA | |
357 | #undef BETA | |
358 | } | |
359 | ||
5cc1b8be | 360 | static void report_bad_blocks_progress(secaddr lo, secaddr hi, int err) |
7fbe0fb9 | 361 | { |
5cc1b8be | 362 | report_progress(hi); |
7fbe0fb9 MW |
363 | |
364 | if (lo == hi) append_progress(": retrying bad sector"); | |
365 | else | |
788fe88a | 366 | append_progress(": %"PRIuSEC" bad %s", |
7fbe0fb9 MW |
367 | hi - lo, hi == lo + 1 ? "sector" : "sectors"); |
368 | if (err != EIO) append_progress(" (%s)", strerror(err)); | |
369 | fflush(stdout); | |
370 | } | |
371 | ||
5cc1b8be | 372 | static ssize_t read_sectors(secaddr pos, void *buf, secaddr want) |
7fbe0fb9 MW |
373 | { |
374 | ssize_t n; | |
375 | ||
376 | again: | |
5cc1b8be MW |
377 | if (vob) |
378 | n = DVDReadBlocks(vob, pos - file->start, want, buf); | |
379 | else if (file) { | |
380 | if (lseek(dvdfd, (off_t)pos*SECTORSZ, SEEK_SET) < 0) | |
788fe88a | 381 | bail_syserr(errno, "failed to seek to sector %"PRIuSEC"", pos); |
5cc1b8be | 382 | n = read(dvdfd, buf, want*SECTORSZ); |
7fbe0fb9 MW |
383 | if (n >= 0) n /= SECTORSZ; |
384 | } else { | |
385 | memset(buf, 0, want*SECTORSZ); | |
386 | n = want; | |
387 | } | |
388 | ||
389 | if (n < 0 && errno == EINTR) goto again; | |
390 | return (n); | |
391 | } | |
392 | ||
393 | static void carefully_write(int fd, const void *buf, size_t sz) | |
394 | { | |
395 | const unsigned char *p = buf; | |
396 | ssize_t n; | |
397 | ||
398 | if (fd < 0) return; | |
399 | while (sz) { | |
400 | n = write(fd, p, sz); | |
401 | if (n < 0) { | |
402 | if (errno == EINTR) continue; | |
403 | bail_syserr(errno, "failed to write to output file"); | |
404 | } | |
405 | if (!n) bail("unexpected short write to output file"); | |
406 | p += n; sz -= n; | |
407 | } | |
408 | } | |
409 | ||
5cc1b8be | 410 | static void emit(int outfd, secaddr start, secaddr end) |
7fbe0fb9 MW |
411 | { |
412 | #define BUFSECTORS 512 | |
413 | ||
414 | int least, i; | |
415 | unsigned char buf[BUFSECTORS*SECTORSZ]; | |
788fe88a MW |
416 | secaddr pos; |
417 | secaddr bad_lo, bad_hi, good, step; | |
7fbe0fb9 MW |
418 | size_t want; |
419 | ssize_t n; | |
420 | static int first_time = 1; | |
421 | #ifdef DEBUG | |
422 | struct file *f; | |
423 | char fn[MAXFNSZ]; | |
424 | int act = -1; | |
425 | #endif | |
426 | ||
427 | least = least_live(); | |
428 | ||
429 | #ifdef DEBUG | |
788fe88a | 430 | printf(";; %8"PRIuSEC" .. %"PRIuSEC"\n", start, end); |
7fbe0fb9 MW |
431 | |
432 | for (i = 0; i < filetab.n; i++) { | |
433 | if (!livep(i)) continue; | |
434 | if (act == -1) act = i; | |
435 | f = &filetab.v[i]; store_filename(fn, f->id); | |
788fe88a | 436 | printf(";;\t\t%8"PRIuSEC" .. %-8"PRIuSEC" %s\n", |
7fbe0fb9 MW |
437 | start - f->start, end - f->start, fn); |
438 | } | |
439 | if (act == -1) printf(";;\t\t#<no live source>\n"); | |
440 | assert(act == least); | |
441 | #endif | |
442 | ||
443 | if (least == -1) | |
5cc1b8be | 444 | { file = 0; vob = 0; } |
7fbe0fb9 | 445 | else { |
5cc1b8be MW |
446 | file = &filetab.v[least]; |
447 | switch (id_kind(file->id)) { | |
7fbe0fb9 | 448 | case RAW: |
5cc1b8be | 449 | vob = 0; |
7fbe0fb9 MW |
450 | break; |
451 | case VOB: | |
452 | if (first_time) { clear_progress(); first_time = 0; } | |
5cc1b8be MW |
453 | vob = DVDOpenFile(dvd, id_title(file->id), |
454 | id_part(file->id) | |
455 | ? DVD_READ_TITLE_VOBS | |
456 | : DVD_READ_MENU_VOBS); | |
457 | if (!vob) | |
7fbe0fb9 | 458 | bail("failed to open %s %u", |
5cc1b8be MW |
459 | id_part(file->id) ? "title" : "menu", |
460 | id_title(file->id)); | |
7fbe0fb9 MW |
461 | break; |
462 | default: | |
463 | abort(); | |
464 | } | |
465 | } | |
466 | ||
467 | pos = start; | |
468 | while (pos < end) { | |
469 | want = end - pos; if (want > BUFSECTORS) want = BUFSECTORS; | |
5cc1b8be | 470 | n = read_sectors(pos, buf, want); |
7fbe0fb9 MW |
471 | |
472 | if (n <= 0) { | |
5cc1b8be | 473 | report_bad_blocks_progress(pos, pos, errno); |
7fbe0fb9 | 474 | for (i = 0; i < 4; i++) { |
5cc1b8be | 475 | n = read_sectors(pos, buf, 1); |
7fbe0fb9 MW |
476 | if (n > 0) { |
477 | clear_progress(); | |
dae431c1 | 478 | moan("sector %"PRIuSEC" read ok after retry", pos); |
7fbe0fb9 MW |
479 | bad_lo = bad_hi = pos; |
480 | goto recovered; | |
481 | } | |
482 | } | |
483 | ||
484 | bad_lo = pos; step = 1; bad_hi = pos + 1; | |
485 | for (;;) { | |
5cc1b8be | 486 | report_bad_blocks_progress(bad_lo, bad_hi, errno); |
7fbe0fb9 MW |
487 | if (bad_hi >= end) { |
488 | clear_progress(); | |
dae431c1 | 489 | moan("giving up on this extent"); |
7fbe0fb9 MW |
490 | n = 0; goto recovered; |
491 | } | |
492 | step *= 2; | |
493 | if (step > end - bad_lo) step = end - bad_lo; | |
494 | pos = bad_lo + step - 1; | |
5cc1b8be | 495 | n = read_sectors(pos, buf, 1); |
7fbe0fb9 MW |
496 | if (n > 0) break; |
497 | bad_hi = pos + 1; | |
498 | } | |
499 | ||
500 | good = pos; | |
501 | while (good > bad_hi) { | |
5cc1b8be | 502 | report_bad_blocks_progress(bad_lo, bad_hi, errno); |
7fbe0fb9 | 503 | pos = bad_hi + (good - bad_hi)/2; |
5cc1b8be | 504 | n = read_sectors(pos, buf, 1); |
7fbe0fb9 MW |
505 | if (n > 0) good = pos; |
506 | else bad_hi = pos + 1; | |
507 | } | |
508 | recovered: | |
509 | if (bad_hi > bad_lo) { | |
510 | clear_progress(); | |
dae431c1 MW |
511 | moan("skipping %"PRIuSEC" bad sectors (%"PRIuSEC" .. %"PRIuSEC")", |
512 | bad_hi - bad_lo, bad_lo, bad_hi); | |
5cc1b8be MW |
513 | if (mapfile) { |
514 | if (!mapfp) { | |
515 | mapfp = fopen(mapfile, "w"); | |
516 | if (!mapfp) | |
7fbe0fb9 MW |
517 | bail_syserr(errno, "failed to open bad-sector map file `%s'", |
518 | optarg); | |
5cc1b8be | 519 | fprintf(mapfp, "## bad sector map\n\n"); |
7fbe0fb9 | 520 | } |
5cc1b8be MW |
521 | fprintf(mapfp, "%"PRIuSEC" %"PRIuSEC"\n", bad_lo, bad_hi); |
522 | fflush(mapfp); | |
523 | if (ferror(mapfp)) | |
7fbe0fb9 MW |
524 | bail_syserr(errno, "error writing bad-sector map file"); |
525 | } | |
526 | if (outfd >= 0 && | |
527 | lseek(outfd, (off_t)(bad_hi - bad_lo)*SECTORSZ, SEEK_CUR) < 0) | |
528 | bail_syserr(errno, "failed to seek past bad sectors"); | |
529 | status = 1; | |
530 | } | |
531 | pos = bad_hi; | |
532 | } | |
533 | ||
534 | if (n > 0) { carefully_write(outfd, buf, n*SECTORSZ); pos += n; } | |
5cc1b8be | 535 | report_progress(pos); fflush(stdout); |
7fbe0fb9 MW |
536 | } |
537 | ||
5cc1b8be | 538 | if (vob) { DVDCloseFile(vob); vob = 0; } |
7fbe0fb9 MW |
539 | |
540 | #undef BUFSECTORS | |
541 | } | |
542 | ||
543 | #ifdef notdef | |
544 | static void logfn(void *p, dvd_logger_level_t lev, | |
545 | const char *fmt, va_list ap) | |
546 | { | |
547 | switch (lev) { | |
548 | case DVD_LOGGER_LEVEL_ERROR: | |
549 | fprintf("%s (libdvdread error): ", prog); | |
550 | break; | |
551 | case DVD_LOGGER_LEVEL_WARN: | |
552 | fprintf("%s (libdvdread warning): ", prog); | |
553 | break; | |
554 | default: | |
555 | return; | |
556 | } | |
557 | vfprintf(stderr, fmt, ap); | |
558 | fputc('\n', stderr); | |
559 | } | |
560 | static const dvd_logger_cb logger = { logfn }; | |
561 | #endif | |
562 | ||
563 | struct buf { | |
564 | char *p; | |
565 | size_t n, sz; | |
566 | }; | |
567 | #define BUF_INIT { 0, 0, 0 } | |
568 | #define BUF_REWIND(b) do { (b)->n = 0; } while (0) | |
569 | #define BUF_FREE(b) do { \ | |
570 | buf *_b = (b); \ | |
571 | free(_b->p); _b->p = 0; _b->n = _b->sz = 0; \ | |
572 | } while (0) | |
573 | #define BUF_PUTC(b, ch) do { \ | |
574 | struct buf *_b = (b); \ | |
575 | if (_b->n >= _b->sz) { \ | |
576 | _b->sz = _b->sz ? 2*_b->sz : 32; \ | |
577 | _b->p = realloc(_b->p, _b->sz); \ | |
578 | if (!_b->p) bail("out of memory allocating %zu bytes", _b->sz); \ | |
579 | } \ | |
580 | _b->p[_b->n] = (ch); \ | |
581 | } while (0) | |
582 | ||
583 | static int read_line(FILE *fp, struct buf *b) | |
584 | { | |
585 | int ch; | |
586 | ||
587 | ch = getc(fp); | |
588 | if (ch == EOF) | |
589 | return (-1); | |
590 | else if (ch != '\n') do { | |
591 | BUF_PUTC(b, ch); b->n++; | |
592 | ch = getc(fp); | |
593 | } while (ch != EOF && ch != '\n'); | |
594 | BUF_PUTC(b, 0); | |
595 | return (0); | |
596 | } | |
597 | ||
598 | int main(int argc, char *argv[]) | |
599 | { | |
600 | unsigned f = 0; | |
601 | char *p; | |
602 | uint64_t volsz; | |
788fe88a | 603 | secaddr pos; |
7fbe0fb9 | 604 | off_t off; |
7fbe0fb9 MW |
605 | unsigned long start, end; |
606 | const struct event *ev; | |
607 | const char *device = "/dev/dvd", *outfile = 0; | |
608 | int opt, err, outfd = -1, blksz; | |
81a03df8 | 609 | unsigned n; |
7fbe0fb9 MW |
610 | size_t i; |
611 | FILE *fp; | |
612 | struct buf buf = BUF_INIT; | |
d766561d | 613 | struct stat st; |
7fbe0fb9 MW |
614 | #ifdef DEBUG |
615 | const struct file *file; | |
616 | char fn[MAXFNSZ]; | |
617 | #endif | |
618 | ||
619 | #define f_bogus 1u | |
620 | #define f_continue 2u | |
621 | #define f_fixup 4u | |
622 | #define f_write 256u | |
623 | ||
624 | p = strrchr(argv[0], '/'); prog = p ? p + 1 : argv[0]; | |
625 | for (;;) { | |
626 | opt = getopt(argc, argv, "hD:FR:b:co:r:"); if (opt < 0) break; | |
627 | switch (opt) { | |
628 | case 'h': usage(stderr); exit(0); | |
629 | case 'D': device = optarg; break; | |
630 | case 'F': f |= f_fixup; break; | |
631 | case 'R': | |
632 | fp = fopen(optarg, "r"); | |
633 | if (!fp) | |
634 | bail_syserr(errno, "failed to open ranges file `%s'", optarg); | |
635 | i = 0; | |
636 | for (;;) { | |
637 | BUF_REWIND(&buf); if (read_line(fp, &buf)) break; | |
638 | p = buf.p; i++; | |
639 | while (ISSPACE(*p)) p++; | |
640 | if (!*p || *p == '#') continue; | |
641 | if (!ISDIGIT(*p)) goto bad_range_file; | |
642 | start = strtoul(p, &p, 0); | |
643 | if (errno || !ISSPACE(*p)) goto bad_range_file; | |
644 | do p++; while (ISSPACE(*p)); | |
645 | if (!ISDIGIT(*p)) goto bad_range_file; | |
646 | end = strtoul(p, &p, 0); | |
647 | if (errno || (*p && !ISSPACE(*p))) goto bad_range_file; | |
648 | while (ISSPACE(*p)) p++; | |
649 | if (*p) goto bad_range_file; | |
650 | if (start > end) goto bad_range_file; | |
651 | if (start < end) { | |
652 | put_event(EV_WRITE, 0, start); | |
653 | put_event(EV_STOP, 0, end); | |
654 | } | |
655 | } | |
656 | if (ferror(fp)) | |
657 | bail_syserr(errno, "failed to read ranges file `%s'", optarg); | |
658 | break; | |
659 | bad_range_file: | |
660 | bail("bad range `%s' at `%s' line %zu", buf.p, optarg, i); | |
661 | case 'b': | |
5cc1b8be MW |
662 | if (mapfile) bail("can't have multiple map files"); |
663 | mapfile = optarg; | |
7fbe0fb9 MW |
664 | break; |
665 | case 'c': f |= f_continue; break; | |
666 | case 'o': outfile = optarg; break; | |
667 | case 'r': | |
668 | err = errno; errno = 0; | |
669 | p = optarg; | |
670 | if (*p == '-') | |
671 | start = 0; | |
672 | else { | |
673 | if (!ISDIGIT(*p)) goto bad_range; | |
674 | start = strtoul(p, &p, 0); | |
675 | if (errno || *p != '-') goto bad_range; | |
676 | } | |
677 | p++; | |
678 | if (!*p) | |
679 | put_event(EV_WRITE, 0, start); | |
680 | else { | |
681 | if (!ISDIGIT(*p)) goto bad_range; | |
682 | end = strtoul(p, &p, 0); | |
683 | if (errno || *p) goto bad_range; | |
684 | if (start > end) goto bad_range; | |
685 | if (start < end) { | |
686 | put_event(EV_WRITE, 0, start); | |
687 | put_event(EV_STOP, 0, end); | |
688 | } | |
689 | } | |
690 | errno = err; | |
691 | break; | |
692 | bad_range: | |
693 | bail("bad range `%s'", optarg); | |
694 | break; | |
695 | default: f |= f_bogus; break; | |
696 | } | |
697 | } | |
698 | if (optind < argc) f |= f_bogus; | |
699 | if (f&f_bogus) { usage(stderr); exit(2); } | |
700 | ||
5cc1b8be MW |
701 | dvdfd = open(device, O_RDONLY); |
702 | if (dvdfd < 0) | |
d766561d | 703 | bail_syserr(errno, "failed to open device `%s'", device); |
5cc1b8be | 704 | if (fstat(dvdfd, &st)) |
d766561d MW |
705 | bail_syserr(errno, "failed to stat device `%s'", device); |
706 | if (S_ISREG(st.st_mode)) { | |
707 | blksz = SECTORSZ; | |
708 | volsz = st.st_size; | |
709 | } else if (S_ISBLK(st.st_mode)) { | |
5cc1b8be | 710 | if (ioctl(dvdfd, BLKSSZGET, &blksz)) |
d766561d | 711 | bail_syserr(errno, "failed to get block size for `%s'", device); |
5cc1b8be | 712 | if (ioctl(dvdfd, BLKGETSIZE64, &volsz)) |
d766561d MW |
713 | bail_syserr(errno, "failed to get volume size for `%s'", device); |
714 | } else | |
715 | bail("can't use `%s' as source: expected file or block device", device); | |
7fbe0fb9 MW |
716 | |
717 | if (blksz != SECTORSZ) | |
718 | bail("device `%s' block size %d /= %d", device, blksz, SECTORSZ); | |
719 | if (volsz%SECTORSZ) | |
720 | bail("device `%s' volume size %"PRIu64" not a multiple of %d", | |
721 | device, volsz, SECTORSZ); | |
722 | ||
723 | if (outfile) { | |
724 | outfd = open(outfile, O_WRONLY | O_CREAT, 0666); | |
725 | if (outfd < 0) | |
726 | bail_syserr(errno, "failed to create output file `%s'", outfile); | |
727 | } | |
728 | ||
729 | if (f&f_continue) { | |
730 | if (!outfile) bail("can't continue without output file"); | |
731 | off = lseek(outfd, 0, SEEK_END); | |
732 | if (off < 0) | |
733 | bail_syserr(errno, "failed to seek to end of output file `%s'", | |
734 | outfile); | |
735 | put_event(EV_WRITE, 0, off/SECTORSZ); | |
736 | } else if (!eventq.n && !(f&f_fixup)) | |
737 | put_event(EV_WRITE, 0, 0); | |
738 | ||
739 | #ifdef notdef | |
5cc1b8be | 740 | dvd = DVDOpen2(0, &logger, device); |
7fbe0fb9 | 741 | #else |
5cc1b8be | 742 | dvd = DVDOpen(device); |
7fbe0fb9 | 743 | #endif |
5cc1b8be | 744 | if (!dvd) bail("failed to open DVD on `%s'", device); |
7fbe0fb9 MW |
745 | |
746 | /* It's fast enough just to check everything. */ | |
5cc1b8be | 747 | put_menu(dvd, 0); |
7fbe0fb9 | 748 | for (i = 1; i < 100; i++) { |
5cc1b8be MW |
749 | put_menu(dvd, i); |
750 | put_title(dvd, i); | |
7fbe0fb9 MW |
751 | } |
752 | put_file(mkident(RAW, 0, 0), 0, volsz/SECTORSZ); | |
753 | assert(filetab.n <= MAXFILES); | |
754 | ||
5cc1b8be MW |
755 | for (i = 0, limit = 0; i < filetab.n; i++) |
756 | if (filetab.v[i].end > limit) limit = filetab.v[i].end; | |
7fbe0fb9 | 757 | |
5cc1b8be | 758 | if (end > limit) end = limit; |
7fbe0fb9 MW |
759 | |
760 | #ifdef DEBUG | |
761 | printf("\n;; files:\n"); | |
762 | for (i = 0; i < filetab.n; i++) { | |
763 | file = &filetab.v[i]; | |
764 | store_filename(fn, file->id); | |
788fe88a | 765 | printf(";;\t%8"PRIuSEC" %s\n", file->start, fn); |
7fbe0fb9 MW |
766 | } |
767 | #endif | |
768 | ||
769 | qsort(eventq.v, eventq.n, sizeof(struct event), compare_event); | |
770 | ||
81a03df8 | 771 | f &= ~f_write; start = 0; n = 0; |
7fbe0fb9 MW |
772 | for (i = 0; i < eventq.n; i++) { |
773 | ev = &eventq.v[i]; | |
774 | switch (ev->ev) { | |
775 | case EV_WRITE: | |
776 | if (f&f_write) | |
788fe88a | 777 | bail("overlapping ranges: range from %lu still open at %"PRIuSEC"", |
7fbe0fb9 | 778 | start, ev->pos); |
81a03df8 | 779 | n++; f |= f_write; start = ev->pos; |
7fbe0fb9 MW |
780 | break; |
781 | case EV_STOP: | |
782 | f &= ~f_write; | |
783 | break; | |
784 | } | |
785 | } | |
786 | ||
787 | f &= ~f_write; start = 0; | |
788 | for (i = 0; i < eventq.n; i++) { | |
789 | ev = &eventq.v[i]; | |
790 | switch (ev->ev) { | |
791 | case EV_WRITE: start = ev->pos; f |= f_write; break; | |
5cc1b8be | 792 | case EV_STOP: nsectors += ev->pos - start; f &= ~f_write; break; |
7fbe0fb9 | 793 | } |
5cc1b8be | 794 | if (ev->pos >= limit) break; |
7fbe0fb9 MW |
795 | if (f&f_fixup) start = ev->pos; |
796 | } | |
797 | eventq.n = i; | |
798 | if (f&f_fixup) { | |
799 | put_event(EV_WRITE, 0, start); | |
81a03df8 | 800 | n++; f |= f_write; |
7fbe0fb9 MW |
801 | } |
802 | if (f&f_write) { | |
5cc1b8be MW |
803 | nsectors += limit - start; |
804 | put_event(EV_STOP, 0, limit); | |
7fbe0fb9 | 805 | } |
5cc1b8be | 806 | if (n == 1 && (f&f_write)) flags |= F_ALLPROGRESS; |
7fbe0fb9 MW |
807 | f &= ~f_write; |
808 | ||
809 | #ifdef DEBUG | |
810 | printf("\n;; event sweep:\n"); | |
811 | #endif | |
812 | for (pos = 0, i = 0; i < eventq.n; i++) { | |
813 | ev = &eventq.v[i]; | |
814 | if (ev->pos > pos) { | |
5cc1b8be | 815 | if (f&f_write) emit(outfd, pos, ev->pos); |
7fbe0fb9 MW |
816 | pos = ev->pos; |
817 | #ifdef DEBUG | |
818 | clear_progress(); | |
819 | printf(";;\n"); | |
820 | #endif | |
821 | } | |
822 | switch (ev->ev) { | |
823 | case EV_BEGIN: | |
824 | set_live(ev->file); | |
825 | #ifdef DEBUG | |
826 | store_filename(fn, filetab.v[ev->file].id); | |
827 | clear_progress(); | |
788fe88a | 828 | printf(";; %8"PRIuSEC": begin `%s'\n", pos, fn); |
7fbe0fb9 MW |
829 | #endif |
830 | break; | |
831 | case EV_WRITE: | |
5cc1b8be | 832 | gettimeofday(&last_time, 0); last_pos = pos; |
7fbe0fb9 MW |
833 | if (outfd >= 0 && |
834 | lseek(outfd, (off_t)ev->pos*SECTORSZ, SEEK_SET) < 0) | |
835 | bail_syserr(errno, | |
836 | "failed to seek to resume position " | |
788fe88a | 837 | "(sector %"PRIuSEC") in output file `%s'", |
7fbe0fb9 MW |
838 | ev->pos, outfile); |
839 | #ifdef DEBUG | |
840 | clear_progress(); | |
788fe88a | 841 | printf(";; %8"PRIuSEC": begin write\n", pos); |
7fbe0fb9 MW |
842 | #endif |
843 | f |= f_write; | |
844 | break; | |
845 | case EV_STOP: | |
846 | f &= ~f_write; | |
847 | #ifdef DEBUG | |
848 | clear_progress(); | |
788fe88a | 849 | printf(";; %8"PRIuSEC": end write\n", pos); |
7fbe0fb9 MW |
850 | #endif |
851 | break; | |
852 | case EV_END: | |
853 | clear_live(ev->file); | |
854 | #ifdef DEBUG | |
855 | store_filename(fn, filetab.v[ev->file].id); | |
856 | clear_progress(); | |
788fe88a | 857 | printf(";; %8"PRIuSEC": end `%s'\n", pos, fn); |
7fbe0fb9 MW |
858 | #endif |
859 | break; | |
860 | default: abort(); | |
861 | } | |
862 | } | |
863 | ||
864 | if (progresslen) putchar('\n'); | |
865 | ||
5cc1b8be | 866 | if (outfd >= 0 && ftruncate(outfd, (off_t)limit*SECTORSZ) < 0) |
7fbe0fb9 MW |
867 | bail_syserr(errno, "failed to set output file `%s' length", outfile); |
868 | ||
5cc1b8be MW |
869 | if (dvd) DVDClose(dvd); |
870 | if (dvdfd >= 0) close(dvdfd); | |
7fbe0fb9 | 871 | if (outfd >= 0) close(outfd); |
5cc1b8be MW |
872 | if (mapfp) { |
873 | if (ferror(mapfp) || fclose(mapfp)) | |
7fbe0fb9 MW |
874 | bail_syserr(errno, "error writing bad-sector map file"); |
875 | } | |
876 | ||
877 | #undef f_bogus | |
878 | #undef f_continue | |
879 | #undef f_fixup | |
880 | #undef f_write | |
881 | ||
882 | return (status); | |
883 | } |