Commit | Line | Data |
---|---|---|
dc53ebfa | 1 | #include "lib.h" |
7fbe0fb9 | 2 | |
7fbe0fb9 MW |
3 | static void usage(FILE *fp) |
4 | { | |
5 | fprintf(fp, | |
d6845ac3 | 6 | "usage: %s [-ci] [-B PARAM=VALUE,...] [-R MAP]\n" |
dc53ebfa | 7 | "\t[-b OUTMAP] [-r [START]-[END]] DEVICE OUTFILE\n", |
7fbe0fb9 MW |
8 | prog); |
9 | } | |
10 | ||
8cec8b64 MW |
11 | #define PRF_HYPHEN 1u |
12 | static int parse_range(const char *p, unsigned f, | |
13 | secaddr *start_out, secaddr *end_out) | |
14 | { | |
15 | char *q; | |
16 | int err, rc; | |
17 | unsigned long start, end; | |
18 | ||
19 | err = errno; | |
20 | ||
21 | if (ISDIGIT(*p)) { | |
22 | start = strtoul(p, &q, 0); | |
23 | if (errno || start >= SECLIMIT) { rc = -1; goto end; } | |
24 | *start_out = start; p = q; | |
25 | } else if (!(f&PRF_HYPHEN)) | |
26 | { rc = -1; goto end; } | |
27 | else | |
28 | start = 0; | |
29 | ||
30 | if (f&PRF_HYPHEN) { | |
31 | if (*p != '-') { rc = -1; goto end; } | |
32 | p++; | |
33 | } else { | |
34 | if (!ISSPACE(*p)) { rc = -1; goto end; } | |
35 | do p++; while (ISSPACE(*p)); | |
36 | } | |
37 | ||
38 | if (ISDIGIT(*p)) { | |
39 | end = strtoul(p, &q, 0); | |
40 | if (errno || end > SECLIMIT || end < start) { rc = -1; goto end; } | |
41 | *end_out = end; p = q; | |
42 | } else if (!(f&PRF_HYPHEN)) | |
43 | { rc = -1; goto end; } | |
44 | ||
45 | if (!(f&PRF_HYPHEN)) while (ISSPACE(*p)) p++; | |
46 | if (*p && ((f&PRF_HYPHEN) || *p != '#')) { rc = -1; goto end; } | |
47 | ||
48 | rc = 0; | |
49 | end: | |
50 | errno = err; | |
51 | return (rc); | |
52 | } | |
53 | ||
7fbe0fb9 MW |
54 | #define MAXFILES (1 + 2*99 + 1) |
55 | struct file { | |
56 | ident id; | |
788fe88a | 57 | secaddr start, end; |
7fbe0fb9 MW |
58 | }; |
59 | DEFVEC(file_v, struct file); | |
60 | static file_v filetab = VEC_INIT; | |
61 | ||
d79ff9c5 | 62 | enum { EV_STOP, EV_BEGIN, EV_END, EV_WRITE }; |
7fbe0fb9 MW |
63 | struct event { |
64 | unsigned char ev, file; | |
788fe88a | 65 | secaddr pos; |
7fbe0fb9 MW |
66 | }; |
67 | DEFVEC(event_v, struct event); | |
68 | static event_v eventq = VEC_INIT; | |
69 | ||
72279434 MW |
70 | static int compare_event(const void *a, const void *b) |
71 | { | |
72 | const struct event *eva = a, *evb = b; | |
73 | ||
74 | if (eva->pos < evb->pos) return (-1); | |
75 | else if (eva->pos > evb->pos) return (+1); | |
76 | ||
77 | if (eva->ev < evb->ev) return (-1); | |
78 | else if (eva->ev > evb->ev) return (+1); | |
79 | ||
80 | if (eva->file < evb->file) return (-1); | |
81 | else if (eva->file > evb->file) return (+1); | |
82 | ||
83 | return (0); | |
84 | } | |
85 | ||
8cec8b64 MW |
86 | #ifdef DEBUG |
87 | static void dump_eventq(const char *what) | |
88 | { | |
89 | unsigned i; | |
90 | const struct event *ev; | |
91 | char fn[MAXFNSZ]; | |
92 | ||
93 | printf("\n;; event dump (%s):\n", what); | |
94 | for (i = 0; i < eventq.n; i++) { | |
95 | ev = &eventq.v[i]; | |
96 | switch (ev->ev) { | |
97 | case EV_BEGIN: | |
98 | store_filename(fn, filetab.v[ev->file].id); | |
99 | printf(";; %8"PRIuSEC": begin %s\n", ev->pos, fn); | |
100 | break; | |
101 | case EV_END: | |
102 | store_filename(fn, filetab.v[ev->file].id); | |
103 | printf(";; %8"PRIuSEC": end %s\n", ev->pos, fn); | |
104 | break; | |
105 | case EV_WRITE: | |
106 | printf(";; %8"PRIuSEC": write\n", ev->pos); | |
107 | break; | |
108 | case EV_STOP: | |
109 | printf(";; %8"PRIuSEC": stop\n", ev->pos); | |
110 | break; | |
111 | default: | |
112 | printf(";; %8"PRIuSEC": ?%u\n", ev->pos, ev->ev); | |
113 | break; | |
114 | } | |
115 | } | |
116 | } | |
117 | #endif | |
118 | ||
7fbe0fb9 MW |
119 | typedef uint_least32_t bits; |
120 | static bits live[(MAXFILES + 31)/32]; | |
121 | ||
122 | static inline int livep(unsigned i) | |
123 | { return (live[i/32]&((bits)1 << (i%32))); } | |
124 | static inline void set_live(unsigned i) | |
125 | { live[i/32] |= (bits)1 << (i%32); } | |
126 | static inline void clear_live(unsigned i) | |
127 | { live[i/32] &= ~((bits)1 << (i%32)); } | |
128 | static inline int least_live(void) | |
129 | { | |
130 | unsigned i, n = (filetab.n + 32)/32; | |
131 | bits b; | |
132 | ||
133 | for (i = 0; i < n; i++) { b = live[i]; if (b) goto found; } | |
134 | return (-1); | |
135 | found: | |
136 | i *= 32; | |
137 | if (!(b&0x0000ffff)) { b >>= 16; i += 16; } | |
138 | if (!(b&0x000000ff)) { b >>= 8; i += 8; } | |
139 | if (!(b&0x0000000f)) { b >>= 4; i += 4; } | |
140 | if (!(b&0x00000003)) { b >>= 2; i += 2; } | |
141 | if (!(b&0x00000001)) { b >>= 1; i += 1; } | |
142 | assert(b&1); | |
143 | return (i); | |
144 | } | |
145 | ||
788fe88a | 146 | static void put_event(unsigned evtype, unsigned file, secaddr pos) |
7fbe0fb9 MW |
147 | { |
148 | struct event *ev; | |
149 | ||
150 | VEC_PUSH(ev, &eventq); | |
151 | ev->ev = evtype; ev->file = file; ev->pos = pos; | |
152 | } | |
153 | ||
788fe88a | 154 | static void put_file(ident id, secaddr start, secaddr end) |
7fbe0fb9 MW |
155 | { |
156 | struct file *f; | |
157 | size_t i; | |
158 | ||
159 | VEC_PUSH(f, &filetab); i = f - filetab.v; | |
160 | f->id = id; f->start = start; f->end = end; | |
161 | put_event(EV_BEGIN, i, start); | |
162 | put_event(EV_END, i, end); | |
163 | } | |
164 | ||
165 | static void put_menu(dvd_reader_t *dvd, unsigned title) | |
166 | { | |
167 | ident id = mkident(VOB, title, 0); | |
168 | char fn[MAXFNSZ]; | |
788fe88a | 169 | secaddr start, len; |
7fbe0fb9 MW |
170 | |
171 | store_filename(fn, id); | |
172 | start = UDFFindFile(dvd, fn, &len); if (!start) return; | |
173 | #ifdef DEBUG | |
8ed763a5 MW |
174 | printf(";; %8"PRIuSEC" .. %-8"PRIuSEC": %s\n", |
175 | start, start + SECTORS(len), fn); | |
7fbe0fb9 MW |
176 | #endif |
177 | put_file(id, start, start + SECTORS(len)); | |
178 | } | |
179 | ||
180 | static void put_title(dvd_reader_t *dvd, unsigned title) | |
181 | { | |
182 | char fn[MAXFNSZ]; | |
788fe88a | 183 | secaddr start[9], len[9]; |
7fbe0fb9 MW |
184 | unsigned i, npart; |
185 | ||
186 | for (i = 0; i < 9; i++) { | |
187 | store_filename(fn, mkident(VOB, title, i + 1)); | |
188 | start[i] = UDFFindFile(dvd, fn, &len[i]); if (!start[i]) break; | |
189 | } | |
190 | npart = i; if (!npart) return; | |
191 | ||
192 | #ifdef DEBUG | |
193 | for (i = 0; i < npart; i++) { | |
194 | store_filename(fn, mkident(VOB, title, i + 1)); | |
788fe88a | 195 | printf(";; %8"PRIuSEC" .. %-8"PRIuSEC": %s\n", |
7fbe0fb9 MW |
196 | start[i], start[i] + SECTORS(len[i]), fn); |
197 | } | |
198 | #endif | |
199 | ||
200 | if (npart > 1) | |
201 | for (i = 0; i < npart - 1; i++) { | |
202 | if (len[i]%SECTORSZ) | |
788fe88a | 203 | bail("title %u part %u length = %"PRIuSEC" not a multiple of %d", |
7fbe0fb9 MW |
204 | title, i, len[i], SECTORSZ); |
205 | if (start[i] + len[i]/SECTORSZ != start[i + 1]) | |
788fe88a MW |
206 | bail |
207 | ("title %u part %u end = %"PRIuSEC" /= part %u start = %"PRIuSEC"", | |
208 | title, i, start[i] + len[i]/SECTORSZ, i + 1, start[i + 1]); | |
7fbe0fb9 MW |
209 | } |
210 | ||
211 | put_file(mkident(VOB, title, 1), | |
212 | start[0], start[npart - 1] + SECTORS(len[npart - 1])); | |
213 | } | |
214 | ||
8cec8b64 MW |
215 | static dvd_reader_t *dvd; |
216 | static int dvdfd = -1, outfd = -1; | |
dc53ebfa | 217 | static struct file *file; |
8cec8b64 MW |
218 | static dvd_file_t *vob; |
219 | static const char *mapfile; static FILE *mapfp; | |
220 | static const char *errfile; static FILE *errfp; | |
221 | static secaddr limit; | |
dc53ebfa MW |
222 | static secaddr bad_start; |
223 | static unsigned retry, max_retries = 4; | |
8cec8b64 MW |
224 | |
225 | static secaddr nsectors, ndone; | |
226 | static secaddr last_pos; | |
227 | static struct timeval last_time; | |
228 | static double alpha = 0.1; | |
229 | static double wsum, wcount; | |
dc53ebfa MW |
230 | static int bad_err; |
231 | ||
232 | static const char throbber[] = "|<-<|>->"; | |
233 | static unsigned throbix = 0; | |
7fbe0fb9 | 234 | |
8cec8b64 MW |
235 | static struct progress_item |
236 | copy_progress, disc_progress, | |
237 | file_progress, badblock_progress; | |
238 | ||
dc53ebfa | 239 | static double scale_bytes(double n, const char **unit_out) |
12db0342 | 240 | { |
dc53ebfa MW |
241 | const char *unit = ""; |
242 | ||
243 | if (n > 1600) { n /= 1024; unit = "k"; } | |
244 | if (n > 1600) { n /= 1024; unit = "M"; } | |
245 | if (n > 1600) { n /= 1024; unit = "G"; } | |
246 | if (n > 1600) { n /= 1024; unit = "T"; } | |
dc53ebfa | 247 | *unit_out = unit; return (n); |
12db0342 | 248 | } |
dc53ebfa | 249 | |
dc53ebfa MW |
250 | #define TIMESTRMAX 16 |
251 | static char *fmttime(unsigned long t, char *buf) | |
7fbe0fb9 | 252 | { |
dc53ebfa MW |
253 | if (t < 60) sprintf(buf, "%ld s", t); |
254 | else if (t < 3600) sprintf(buf, "%ld:%02ld", t/60, t%60); | |
255 | else sprintf(buf, "%ld:%02ld:%02ld", t/3600, (t/60)%60, t%60); | |
256 | return (buf); | |
257 | } | |
7fbe0fb9 | 258 | |
dc53ebfa MW |
259 | static void render_perfstats(struct progress_render_state *render) |
260 | { | |
261 | int eta; | |
262 | char timebuf[TIMESTRMAX]; | |
263 | double rate; | |
264 | const char *unit; | |
265 | ||
266 | if (!wsum || !wcount) { rate = 0; eta = -1; } | |
267 | else { rate = wsum/wcount; eta = (int)((nsectors - ndone)/rate + 0.5); } | |
268 | ||
269 | rate = scale_bytes(rate*SECTORSZ, &unit); | |
270 | progress_putright(render, "ETA %s ", rate ? fmttime(eta, timebuf) : "???"); | |
271 | progress_putright(render, "%.1f %sB/s, ", rate, unit); | |
7fbe0fb9 | 272 | } |
dc53ebfa MW |
273 | |
274 | static void render_copy_progress(struct progress_item *item, | |
275 | struct progress_render_state *render) | |
7fbe0fb9 | 276 | { |
dc53ebfa | 277 | double frac = (double)ndone/nsectors; |
7fbe0fb9 | 278 | |
dc53ebfa MW |
279 | progress_putleft(render, " %c copied %.1f%%", |
280 | throbber[throbix], 100.0*frac); | |
281 | render_perfstats(render); | |
282 | progress_putleft(render, " (%"PRIuSEC" of %"PRIuSEC")", ndone, nsectors); | |
283 | ||
284 | progress_showbar(render, frac); | |
7fbe0fb9 MW |
285 | } |
286 | ||
dc53ebfa MW |
287 | static void render_disc_progress(struct progress_item *item, |
288 | struct progress_render_state *render) | |
289 | { | |
290 | double frac = (double)last_pos/limit; | |
5cc1b8be | 291 | |
dc53ebfa MW |
292 | progress_putleft(render, " disc %.1f%% (%"PRIuSEC" of %"PRIuSEC")", |
293 | 100.0*frac, last_pos, limit); | |
294 | progress_showbar(render, frac); | |
295 | } | |
a090d4b3 | 296 | |
dc53ebfa MW |
297 | static void render_file_progress(struct progress_item *item, |
298 | struct progress_render_state *render) | |
299 | { | |
300 | secaddr off = last_pos - file->start, len = file->end - file->start; | |
301 | char fn[MAXFNSZ]; | |
302 | double frac; | |
303 | ||
304 | store_filename(fn, file->id); | |
305 | frac = (double)off/len; | |
306 | progress_putleft(render, " `%s' %.1f%% (%"PRIuSEC" of %"PRIuSEC")", | |
307 | fn, 100.0*frac, off, len); | |
308 | progress_showbar(render, frac); | |
309 | } | |
310 | ||
311 | static void render_badblock_progress(struct progress_item *item, | |
312 | struct progress_render_state *render) | |
313 | { | |
314 | secaddr n = last_pos - bad_start; | |
315 | int bg; | |
316 | ||
317 | if (!n) { | |
318 | progress_putleft(render, " Retrying bad sector %"PRIuSEC"", bad_start); | |
319 | progress_putright(render, "attempt %u/%u ", retry + 1, max_retries); | |
320 | bg = 4; | |
321 | } else { | |
322 | progress_putleft(render, " Found %"PRIuSEC" bad %s", | |
323 | n, n == 1 ? "sector" : "sectors"); | |
324 | progress_putright(render, "%"PRIuSEC" .. %"PRIuSEC" ", | |
325 | bad_start, last_pos); | |
326 | bg = 1; | |
327 | } | |
328 | if (bad_err && bad_err != EIO) | |
329 | progress_putleft(render, " (%s)", strerror(bad_err)); | |
330 | progress_shownotice(render, bg, 7); | |
331 | } | |
332 | ||
333 | static void update_progress(secaddr pos) | |
7fbe0fb9 | 334 | { |
7fbe0fb9 | 335 | struct timeval now; |
dc53ebfa MW |
336 | double t, f, g; |
337 | ||
338 | gettimeofday(&now, 0); | |
339 | t = tvdiff(&last_time, &now); | |
7fbe0fb9 | 340 | |
c1d37fc8 | 341 | #define BETA (1 - alpha) |
7fbe0fb9 | 342 | |
7fbe0fb9 | 343 | if (t) { |
5cc1b8be MW |
344 | g = wcount ? pow(BETA, t) : 0.0; f = (1 - g)/(1 - BETA); |
345 | wsum = f*(pos - last_pos)/t + g*wsum; | |
346 | wcount = f + g*wcount; | |
347 | ndone += pos - last_pos; | |
348 | last_time = now; last_pos = pos; | |
7fbe0fb9 MW |
349 | } |
350 | ||
7fbe0fb9 | 351 | #undef BETA |
dc53ebfa MW |
352 | |
353 | throbix++; if (!throbber[throbix]) throbix = 0; | |
7fbe0fb9 MW |
354 | } |
355 | ||
dc53ebfa MW |
356 | static void report_progress(secaddr pos) |
357 | { update_progress(pos); progress_update(&progress); } | |
358 | ||
513eba44 MW |
359 | struct badblock { secaddr start, end; }; |
360 | DEFVEC(badblock_v, struct badblock); | |
361 | static badblock_v badblocks = VEC_INIT; | |
362 | ||
363 | static int compare_badblock(const void *a, const void *b) | |
364 | { | |
365 | const struct badblock *ba = a, *bb = b; | |
366 | ||
367 | if (ba->start < bb->start) return (-1); | |
368 | else if (ba->start > bb->start) return (+1); | |
369 | ||
370 | if (ba->end < bb->end) return (-1); | |
371 | else if (ba->end > bb->end) return (+1); | |
372 | ||
373 | return (0); | |
374 | } | |
375 | ||
dc53ebfa MW |
376 | static double bad_block_delay = 0.0; |
377 | static double good_block_delay = 0.0; | |
378 | ||
5cc1b8be | 379 | static ssize_t read_sectors(secaddr pos, void *buf, secaddr want) |
7fbe0fb9 | 380 | { |
0f0ba33f | 381 | ssize_t n, done; |
513eba44 | 382 | size_t lo, mid, hi; |
0f0ba33f | 383 | int fakeerr = 0; |
513eba44 | 384 | struct badblock *bad, *best; |
0f0ba33f | 385 | unsigned char *p = buf; |
513eba44 | 386 | |
6e7426fe MW |
387 | if (badblocks.n) { |
388 | best = 0; lo = 0; hi = badblocks.n; | |
513eba44 | 389 | #ifdef DEBUG |
cf556df2 | 390 | progress_clear(&progress); |
6e7426fe MW |
391 | printf(";; searching badblocks for %"PRIuSEC" .. %"PRIuSEC"\n", |
392 | pos, pos + want); | |
513eba44 | 393 | #endif |
6e7426fe MW |
394 | while (lo < hi) { |
395 | mid = lo + (hi - lo)/2; bad = &badblocks.v[mid]; | |
513eba44 | 396 | #ifdef DEBUG |
6e7426fe MW |
397 | printf(";; try %zu (%"PRIuSEC" .. %"PRIuSEC")... ", |
398 | mid, bad->start, bad->end); | |
513eba44 | 399 | #endif |
6e7426fe MW |
400 | if (pos < bad->start) { D( printf("high\n"); ) best = bad; hi = mid; } |
401 | else if (pos >= bad->end) { D( printf("low\n"); ) lo = mid + 1; } | |
12ade065 MW |
402 | else { |
403 | D( printf("match!\n"); ) | |
404 | errno = EIO; sit(bad_block_delay); return (-1); | |
405 | } | |
6e7426fe | 406 | } |
513eba44 | 407 | #ifdef DEBUG |
6e7426fe MW |
408 | if (best) |
409 | printf(";; next is %"PRIuSEC" .. %"PRIuSEC"\n", | |
410 | best->start, best->end); | |
513eba44 | 411 | #endif |
6e7426fe | 412 | if (best && pos + want > best->start) |
dc53ebfa | 413 | { want = best->start - pos; fakeerr = EIO; sit(bad_block_delay); } |
6e7426fe | 414 | } |
1c67758f MW |
415 | |
416 | done = 0; errno = 0; | |
0f0ba33f MW |
417 | while (want) { |
418 | if (vob) | |
419 | { errno = 0; n = DVDReadBlocks(vob, pos - file->start, want, p); } | |
420 | else if (file) { | |
421 | if (lseek(dvdfd, (off_t)pos*SECTORSZ, SEEK_SET) < 0) | |
422 | bail_syserr(errno, "failed to seek to sector %"PRIuSEC"", pos); | |
423 | errno = 0; n = read(dvdfd, p, want*SECTORSZ); | |
424 | if (n >= 0) n /= SECTORSZ; | |
425 | } else { | |
426 | memset(p, 0, want*SECTORSZ); | |
427 | n = want; | |
428 | } | |
7fbe0fb9 | 429 | |
0f0ba33f | 430 | if (n > 0) { done += n; pos += n; p += n*SECTORSZ; want -= n; } |
af3973a1 MW |
431 | else if (!n) break; |
432 | else if (errno == EIO && errfile) { | |
433 | open_file_on_demand(errfile, &errfp, "bad-sector error log"); | |
434 | fprintf(errfp, "%"PRIuSEC" %"PRIuSEC"\n", pos, pos + 1); | |
435 | check_write(errfp, "bad-sector error log"); | |
436 | break; | |
437 | } else if (errno != EINTR) break; | |
0f0ba33f MW |
438 | } |
439 | if (fakeerr && !errno) errno = fakeerr; | |
dc53ebfa | 440 | else if (done > 0 && good_block_delay) sit(done*good_block_delay); |
0f0ba33f | 441 | return (!done && errno ? -1 : done); |
7fbe0fb9 MW |
442 | } |
443 | ||
f0e437bc MW |
444 | struct recoverybuf { |
445 | unsigned char *buf; | |
446 | secaddr sz, pos, start, end; | |
dc53ebfa | 447 | secaddr good_lo, good_hi; |
f0e437bc MW |
448 | }; |
449 | ||
450 | static void rearrange_sectors(struct recoverybuf *r, | |
451 | secaddr dest, secaddr src, secaddr len) | |
452 | { | |
8cec8b64 | 453 | assert(dest + len <= r->sz); assert(src + len <= r->sz); |
f0e437bc MW |
454 | memmove(r->buf + dest*SECTORSZ, r->buf + src*SECTORSZ, len*SECTORSZ); |
455 | } | |
456 | ||
457 | #ifdef DEBUG | |
dc53ebfa MW |
458 | static PRINTF_LIKE(2, 3) |
459 | void show_recovery_buffer_map(const struct recoverybuf *r, | |
460 | const char *what, ...) | |
f0e437bc MW |
461 | { |
462 | va_list ap; | |
463 | ||
464 | va_start(ap, what); | |
cf556df2 | 465 | progress_clear(&progress); |
f0e437bc MW |
466 | printf(";; recovery buffer ("); |
467 | vprintf(what, ap); | |
468 | printf("): " | |
469 | "(%"PRIuSEC") ..%"PRIuSEC".. " | |
470 | "[%"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC"] " | |
471 | "..%"PRIuSEC".. (%"PRIuSEC")\n", | |
472 | r->pos, r->start, | |
473 | r->pos + r->start, r->end - r->start, r->pos + r->end, | |
474 | r->sz - r->end, r->pos + r->sz); | |
475 | va_end(ap); | |
476 | assert(r->start <= r->end); | |
477 | assert(r->end <= r->sz); | |
478 | } | |
479 | #endif | |
480 | ||
481 | static ssize_t recovery_read_sectors(struct recoverybuf *r, | |
482 | secaddr pos, secaddr off, secaddr want) | |
483 | { | |
484 | ssize_t n; | |
485 | ||
9c8ab410 | 486 | assert(off <= r->sz); assert(want <= r->sz - off); |
06b3c6a0 | 487 | assert(pos == r->pos + off); |
f0e437bc MW |
488 | n = read_sectors(pos, r->buf + off*SECTORSZ, want); |
489 | return (n); | |
490 | } | |
491 | ||
dc53ebfa MW |
492 | static ssize_t recovery_read_buffer(struct recoverybuf *r, |
493 | secaddr pos, secaddr want) | |
f0e437bc MW |
494 | { |
495 | secaddr diff, pp, nn; | |
496 | ssize_t n; | |
497 | ||
498 | #ifdef DEBUG | |
cf556df2 | 499 | progress_clear(&progress); |
f0e437bc MW |
500 | show_recovery_buffer_map(r, "begin(%"PRIuSEC", %"PRIuSEC")", pos, want); |
501 | #endif | |
502 | ||
503 | if (pos < r->pos) { | |
504 | diff = r->pos - pos; | |
505 | if (r->start + diff >= r->sz) { | |
506 | r->pos = pos; r->start = r->end = 0; | |
507 | #ifdef DEBUG | |
508 | show_recovery_buffer_map(r, "cleared; shift up by %"PRIuSEC"", diff); | |
509 | #endif | |
510 | } else { | |
511 | if (r->end + diff > r->sz) r->end = r->sz - diff; | |
512 | rearrange_sectors(r, r->start + diff, r->start, r->end - r->start); | |
ea027dd6 | 513 | r->pos -= diff; r->start += diff; r->end += diff; |
f0e437bc MW |
514 | #ifdef DEBUG |
515 | show_recovery_buffer_map(r, "shifted up by %"PRIuSEC"", diff); | |
516 | #endif | |
517 | } | |
518 | } else if (pos > r->pos + r->end) { | |
8ed763a5 | 519 | r->pos = pos; r->start = r->end = 0; |
f0e437bc | 520 | #ifdef DEBUG |
8ed763a5 | 521 | show_recovery_buffer_map(r, "cleared; beyond previous region"); |
f0e437bc MW |
522 | #endif |
523 | } else if (pos + want > r->pos + r->sz) { | |
524 | diff = (pos + want) - (r->pos + r->sz); | |
525 | if (r->end <= diff) { | |
526 | r->pos = pos; r->start = r->end = 0; | |
527 | #ifdef DEBUG | |
528 | show_recovery_buffer_map(r, "cleared; shift down by %"PRIuSEC"", diff); | |
529 | #endif | |
530 | } else { | |
531 | if (r->start < diff) r->start = diff; | |
532 | rearrange_sectors(r, r->start - diff, r->start, r->end - r->start); | |
ea027dd6 | 533 | r->pos += diff; r->start -= diff; r->end -= diff; |
f0e437bc MW |
534 | #ifdef DEBUG |
535 | show_recovery_buffer_map(r, "shifted down by %"PRIuSEC"", diff); | |
536 | #endif | |
537 | } | |
538 | } | |
539 | ||
540 | if (pos < r->pos + r->start) { | |
541 | pp = pos - r->pos; nn = r->start - pp; | |
542 | #ifdef DEBUG | |
543 | printf(";; read low (%"PRIuSEC"@%"PRIuSEC", %"PRIuSEC")", pos, pp, nn); | |
544 | fflush(stdout); | |
545 | #endif | |
546 | n = recovery_read_sectors(r, pos, pp, nn); | |
547 | #ifdef DEBUG | |
c0bff521 | 548 | printf(" -> %zd\n", n); |
f0e437bc MW |
549 | #endif |
550 | if (n != nn) { | |
d935b481 | 551 | if (n >= 0 && n > want) n = want; |
f0e437bc MW |
552 | goto end; |
553 | } | |
554 | r->start = pp; | |
555 | #ifdef DEBUG | |
556 | show_recovery_buffer_map(r, "joined new region"); | |
557 | #endif | |
558 | } | |
559 | ||
560 | if (pos + want > r->pos + r->end) { | |
561 | pp = r->end; nn = (pos + want) - (r->pos + r->end); | |
562 | #ifdef DEBUG | |
563 | printf(";; read high (%"PRIuSEC"@%"PRIuSEC", %"PRIuSEC")", | |
564 | r->pos + pp, pp, nn); | |
62fc1b88 | 565 | fflush(stdout); |
f0e437bc | 566 | #endif |
69d1ae9d | 567 | n = recovery_read_sectors(r, r->pos + pp, pp, nn); |
f0e437bc | 568 | #ifdef DEBUG |
c0bff521 | 569 | printf(" -> %zd\n", n); |
f0e437bc MW |
570 | #endif |
571 | if (n > 0) { | |
572 | r->end += n; | |
573 | #ifdef DEBUG | |
574 | show_recovery_buffer_map(r, "joined new region"); | |
575 | #endif | |
576 | } | |
577 | } | |
578 | ||
579 | n = r->pos + r->end - pos; | |
580 | if (!n && want) n = -1; | |
d1105ba7 | 581 | else if (n > want) n = want; |
f0e437bc MW |
582 | |
583 | end: | |
584 | #ifdef DEBUG | |
c0bff521 | 585 | show_recovery_buffer_map(r, "done; return %zd", n); |
f0e437bc MW |
586 | #endif |
587 | return (n); | |
588 | } | |
589 | ||
dc53ebfa MW |
590 | static ssize_t recovery_read_multiple(struct recoverybuf *r, |
591 | secaddr pos, secaddr want) | |
592 | { | |
593 | ssize_t n; | |
594 | secaddr skip, want0 = want; | |
595 | ||
596 | while (want > r->sz) { | |
597 | skip = want - r->sz; | |
598 | n = recovery_read_buffer(r, pos + skip, r->sz); | |
599 | if (n < r->sz) return (skip + (n >= 0 ? n : 0)); | |
600 | want -= r->sz; | |
601 | } | |
602 | n = recovery_read_buffer(r, pos, want); | |
603 | if (n < 0 || n < want) return (n); | |
604 | return (want0); | |
605 | } | |
606 | ||
607 | static ssize_t recovery_read(struct recoverybuf *r, | |
608 | secaddr pos, secaddr want) | |
609 | { | |
610 | secaddr lo = pos, hi = pos + want, span; | |
611 | ssize_t n; | |
612 | ||
613 | if (hi < r->good_lo || lo > r->good_hi) { | |
614 | n = recovery_read_multiple(r, lo, hi - lo); | |
615 | if (n > 0) { r->good_lo = lo; r->good_hi = lo + n; } | |
616 | return (n); | |
617 | } | |
618 | ||
619 | if (hi > r->good_hi) { | |
620 | span = hi - r->good_hi; | |
621 | n = recovery_read_multiple(r, r->good_hi, span); | |
622 | if (n > 0) r->good_hi += n; | |
623 | if (n < 0 || n < span) return (r->good_hi - lo); | |
624 | } | |
625 | ||
626 | if (lo < r->good_lo) { | |
627 | span = r->good_lo - lo; | |
628 | n = recovery_read_multiple(r, lo, span); | |
629 | if (n == span) r->good_lo = lo; | |
630 | else return (n); | |
631 | } | |
632 | ||
633 | n = r->good_hi - pos; if (n > want) n = want; | |
634 | if (!n) { errno = EIO; n = -1; } | |
635 | return (n); | |
636 | } | |
637 | ||
638 | static double clear_factor = 1.5; | |
639 | static secaddr clear_min = 1, clear_max = SECLIMIT; | |
640 | static double step_factor = 2.0; | |
641 | static secaddr step_min = 1, step_max = 0; | |
642 | ||
8cec8b64 MW |
643 | static void recovered(secaddr bad_lo, secaddr bad_hi) |
644 | { | |
645 | char fn[MAXFNSZ]; | |
646 | ||
647 | progress_clear(&progress); | |
648 | ||
649 | if (!file || id_kind(file->id) == RAW) | |
650 | moan("skipping %"PRIuSEC" bad sectors (%"PRIuSEC" .. %"PRIuSEC")", | |
651 | bad_hi - bad_lo, bad_lo, bad_hi); | |
652 | else { | |
653 | store_filename(fn, file->id); | |
654 | moan("skipping %"PRIuSEC" bad sectors (%"PRIuSEC" .. %"PRIuSEC"; " | |
655 | "`%s' %"PRIuSEC" .. %"PRIuSEC" of %"PRIuSEC")", | |
656 | bad_hi - bad_lo, bad_lo, bad_hi, | |
657 | fn, bad_lo - file->start, bad_hi - file->start, | |
658 | file->end - file->start); | |
659 | } | |
660 | ||
661 | if (mapfile) { | |
662 | open_file_on_demand(mapfile, &mapfp, "bad-sector region map"); | |
663 | fprintf(mapfp, "%"PRIuSEC" %"PRIuSEC" # %"PRIuSEC" sectors", | |
664 | bad_lo, bad_hi, bad_hi - bad_lo); | |
665 | ||
666 | if (file && id_kind(file->id) != RAW) | |
667 | fprintf(mapfp, "; `%s' %"PRIuSEC" .. %"PRIuSEC" of %"PRIuSEC"", | |
668 | fn, bad_lo - file->start, bad_hi - file->start, | |
669 | file->end - file->start); | |
670 | ||
671 | fputc('\n', mapfp); | |
672 | check_write(mapfp, "bad-sector region map"); | |
673 | } | |
674 | ||
675 | if (lseek(outfd, (off_t)(bad_hi - bad_lo)*SECTORSZ, SEEK_CUR) < 0) | |
676 | bail_syserr(errno, "failed to seek past bad sectors"); | |
677 | ||
678 | progress_removeitem(&progress, &badblock_progress); | |
679 | progress_update(&progress); | |
680 | } | |
681 | ||
dc53ebfa | 682 | static secaddr run_length_wanted(secaddr pos, secaddr badlen, secaddr end) |
f0e437bc MW |
683 | { |
684 | secaddr want; | |
685 | ||
7c100803 | 686 | want = ceil(clear_factor*badlen); |
dc53ebfa | 687 | if (want < clear_min) want = clear_min; |
f0e437bc | 688 | if (want > end - pos) want = end - pos; |
dc53ebfa | 689 | if (clear_max && want > clear_max) want = clear_max; |
f0e437bc MW |
690 | return (want); |
691 | } | |
692 | ||
dc53ebfa MW |
693 | static void report_bad_blocks_progress(secaddr bad_hi, int err) |
694 | { bad_err = err; report_progress(bad_hi); } | |
695 | ||
654a81af MW |
696 | static ssize_t find_good_sector(secaddr *pos_inout, secaddr end, |
697 | unsigned char *buf, secaddr sz) | |
698 | { | |
f0e437bc MW |
699 | secaddr pos = *pos_inout, bad_lo, bad_hi, good, step, want; |
700 | struct recoverybuf r; | |
654a81af MW |
701 | ssize_t n; |
702 | ||
dc53ebfa MW |
703 | bad_start = pos; bad_err = errno; |
704 | badblock_progress.render = render_badblock_progress; | |
705 | progress_additem(&progress, &badblock_progress); | |
706 | ||
f0e437bc | 707 | want = sz; if (want > end - pos) want = end - pos; |
dc53ebfa MW |
708 | for (retry = 0; retry < max_retries; retry++) { |
709 | report_bad_blocks_progress(pos, errno); | |
5d42ee1b | 710 | n = read_sectors(pos, buf, want); |
f0e437bc | 711 | #ifdef DEBUG |
dc53ebfa | 712 | progress_clear(&progress); |
c0bff521 | 713 | printf(";; [retry] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
714 | pos, pos + want, n); |
715 | #endif | |
654a81af | 716 | if (n > 0) { |
dc53ebfa | 717 | progress_clear(&progress); |
654a81af | 718 | moan("sector %"PRIuSEC" read ok after retry", pos); |
dc53ebfa MW |
719 | progress_removeitem(&progress, &badblock_progress); |
720 | progress_update(&progress); | |
2ac5af03 | 721 | return (n); |
654a81af MW |
722 | } |
723 | } | |
724 | ||
5d42ee1b MW |
725 | r.buf = buf; r.sz = sz; r.pos = r.start = r.end = 0; |
726 | r.good_lo = r.good_hi = 0; | |
727 | ||
f0e437bc | 728 | bad_lo = pos; bad_hi = pos + 1; |
654a81af | 729 | for (;;) { |
dc53ebfa | 730 | report_bad_blocks_progress(bad_hi, errno); |
ed689e74 | 731 | #ifdef DEBUG |
dc53ebfa | 732 | progress_clear(&progress); |
ed689e74 MW |
733 | printf(";; bounding bad-block region: " |
734 | "%"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC"\n", | |
735 | bad_lo, bad_hi - bad_lo, bad_hi); | |
736 | #endif | |
654a81af | 737 | if (bad_hi >= end) { |
dc53ebfa | 738 | progress_clear(&progress); |
654a81af | 739 | moan("giving up on this extent"); |
dc53ebfa MW |
740 | recovered(bad_lo, end); *pos_inout = end; |
741 | return (0); | |
654a81af | 742 | } |
88693140 | 743 | step = (step_factor - 1)*(bad_hi - bad_lo); |
dc53ebfa MW |
744 | if (step < step_min) step = step_min; |
745 | if (step_max && step > step_max) step = step_max; | |
88693140 MW |
746 | if (step > end - bad_hi) step = end - bad_hi; |
747 | pos = bad_hi + step - 1; | |
dc53ebfa | 748 | want = run_length_wanted(pos, step, end); |
f0e437bc MW |
749 | n = recovery_read(&r, pos, want); |
750 | #ifdef DEBUG | |
c0bff521 | 751 | printf(";; [bound] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
752 | pos, pos + want, n); |
753 | #endif | |
754 | if (n == want) break; | |
755 | if (n < 0) n = 0; | |
756 | bad_hi = pos + n + 1; | |
654a81af MW |
757 | } |
758 | ||
759 | good = pos; | |
760 | while (good > bad_hi) { | |
dc53ebfa | 761 | report_bad_blocks_progress(bad_hi, errno); |
ed689e74 | 762 | #ifdef DEBUG |
dc53ebfa | 763 | progress_clear(&progress); |
ed689e74 MW |
764 | printf(";; limiting bad-block region: " |
765 | "%"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC"\n", | |
766 | bad_lo, bad_hi - bad_lo, bad_hi, good - bad_hi, good); | |
767 | #endif | |
654a81af | 768 | pos = bad_hi + (good - bad_hi)/2; |
f0e437bc | 769 | step = pos - bad_lo; |
dc53ebfa | 770 | want = run_length_wanted(pos, step, end); |
f0e437bc MW |
771 | n = recovery_read(&r, pos, want); |
772 | #ifdef DEBUG | |
c0bff521 | 773 | printf(";; [limit] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
774 | pos, pos + want, n); |
775 | #endif | |
776 | if (n < 0) n = 0; | |
777 | if (n == want) good = pos; | |
778 | else bad_hi = pos + n + 1; | |
654a81af | 779 | } |
74f78bd7 MW |
780 | recovered(bad_lo, bad_hi); *pos_inout = bad_hi; |
781 | if (bad_hi < r.pos + r.start || r.pos + r.end <= bad_hi) | |
f0e437bc | 782 | n = 0; |
a8625592 | 783 | else { |
74f78bd7 MW |
784 | n = r.pos + r.end - bad_hi; |
785 | rearrange_sectors(&r, 0, bad_hi - r.pos, n); | |
a8625592 | 786 | } |
9dd5dba0 MW |
787 | #ifdef DEBUG |
788 | show_recovery_buffer_map(&r, "returning %zd good sectors at %"PRIuSEC"", | |
74f78bd7 | 789 | n, bad_hi); |
9dd5dba0 | 790 | #endif |
654a81af MW |
791 | return (n); |
792 | } | |
793 | ||
9ac85bf5 | 794 | static void emit(secaddr start, secaddr end) |
7fbe0fb9 MW |
795 | { |
796 | #define BUFSECTORS 512 | |
797 | ||
e98a0749 | 798 | int least; |
7fbe0fb9 | 799 | unsigned char buf[BUFSECTORS*SECTORSZ]; |
788fe88a | 800 | secaddr pos; |
7fbe0fb9 MW |
801 | size_t want; |
802 | ssize_t n; | |
803 | static int first_time = 1; | |
804 | #ifdef DEBUG | |
805 | struct file *f; | |
806 | char fn[MAXFNSZ]; | |
807 | int act = -1; | |
e98a0749 | 808 | int i; |
7fbe0fb9 MW |
809 | #endif |
810 | ||
811 | least = least_live(); | |
812 | ||
813 | #ifdef DEBUG | |
788fe88a | 814 | printf(";; %8"PRIuSEC" .. %"PRIuSEC"\n", start, end); |
7fbe0fb9 MW |
815 | |
816 | for (i = 0; i < filetab.n; i++) { | |
817 | if (!livep(i)) continue; | |
818 | if (act == -1) act = i; | |
819 | f = &filetab.v[i]; store_filename(fn, f->id); | |
788fe88a | 820 | printf(";;\t\t%8"PRIuSEC" .. %-8"PRIuSEC" %s\n", |
7fbe0fb9 MW |
821 | start - f->start, end - f->start, fn); |
822 | } | |
823 | if (act == -1) printf(";;\t\t#<no live source>\n"); | |
824 | assert(act == least); | |
825 | #endif | |
826 | ||
827 | if (least == -1) | |
5cc1b8be | 828 | { file = 0; vob = 0; } |
7fbe0fb9 | 829 | else { |
5cc1b8be MW |
830 | file = &filetab.v[least]; |
831 | switch (id_kind(file->id)) { | |
7fbe0fb9 | 832 | case RAW: |
5cc1b8be | 833 | vob = 0; |
7fbe0fb9 MW |
834 | break; |
835 | case VOB: | |
dc53ebfa | 836 | if (first_time) { progress_clear(&progress); first_time = 0; } |
5cc1b8be MW |
837 | vob = DVDOpenFile(dvd, id_title(file->id), |
838 | id_part(file->id) | |
839 | ? DVD_READ_TITLE_VOBS | |
840 | : DVD_READ_MENU_VOBS); | |
841 | if (!vob) | |
7fbe0fb9 | 842 | bail("failed to open %s %u", |
5cc1b8be MW |
843 | id_part(file->id) ? "title" : "menu", |
844 | id_title(file->id)); | |
dc53ebfa | 845 | progress_update(&progress); |
7fbe0fb9 MW |
846 | break; |
847 | default: | |
848 | abort(); | |
849 | } | |
850 | } | |
851 | ||
dc53ebfa MW |
852 | if (file && id_kind(file->id) != RAW) { |
853 | file_progress.render = render_file_progress; | |
854 | progress_additem(&progress, &file_progress); | |
855 | } | |
856 | ||
7fbe0fb9 MW |
857 | pos = start; |
858 | while (pos < end) { | |
859 | want = end - pos; if (want > BUFSECTORS) want = BUFSECTORS; | |
5cc1b8be | 860 | n = read_sectors(pos, buf, want); |
7fbe0fb9 | 861 | |
654a81af | 862 | if (n <= 0) n = find_good_sector(&pos, end, buf, BUFSECTORS); |
7fbe0fb9 | 863 | if (n > 0) { carefully_write(outfd, buf, n*SECTORSZ); pos += n; } |
dc53ebfa | 864 | report_progress(pos); |
7fbe0fb9 MW |
865 | } |
866 | ||
5cc1b8be | 867 | if (vob) { DVDCloseFile(vob); vob = 0; } |
7fbe0fb9 | 868 | |
dc53ebfa MW |
869 | if (file && id_kind(file->id) != RAW) |
870 | progress_removeitem(&progress, &file_progress); | |
871 | progress_update(&progress); | |
7fbe0fb9 | 872 | |
dc53ebfa | 873 | #undef BUFSECTORS |
7fbe0fb9 | 874 | } |
7fbe0fb9 | 875 | |
7fbe0fb9 MW |
876 | int main(int argc, char *argv[]) |
877 | { | |
878 | unsigned f = 0; | |
dc53ebfa | 879 | const char *p; |
4bd4876f | 880 | off_t volsz; |
788fe88a | 881 | secaddr pos; |
7fbe0fb9 | 882 | off_t off; |
d79c7c9a | 883 | secaddr start, end, last; |
7fbe0fb9 | 884 | const struct event *ev; |
69f3ec37 | 885 | const char *device, *outfile; |
513eba44 | 886 | struct badblock *bad; |
9ac85bf5 | 887 | int opt, blksz; |
7fbe0fb9 MW |
888 | size_t i; |
889 | FILE *fp; | |
890 | struct buf buf = BUF_INIT; | |
dc53ebfa MW |
891 | struct timeval tv0, tv1; |
892 | double t, rate, tot; | |
893 | const char *rateunit, *totunit; | |
d6845ac3 MW |
894 | char timebuf[TIMESTRMAX], id_in[MAXIDSZ], id_out[MAXIDSZ]; |
895 | dvd_reader_t *dvd_out; | |
7fbe0fb9 MW |
896 | #ifdef DEBUG |
897 | const struct file *file; | |
898 | char fn[MAXFNSZ]; | |
899 | #endif | |
900 | ||
901 | #define f_bogus 1u | |
902 | #define f_continue 2u | |
903 | #define f_fixup 4u | |
dc53ebfa | 904 | #define f_stats 8u |
d6845ac3 | 905 | #define f_checkid 16u |
7fbe0fb9 MW |
906 | #define f_write 256u |
907 | ||
dc53ebfa | 908 | set_prog(argv[0]); |
7fbe0fb9 | 909 | for (;;) { |
d6845ac3 | 910 | opt = getopt(argc, argv, "hB:E:FR:X:b:cir:s"); if (opt < 0) break; |
7fbe0fb9 MW |
911 | switch (opt) { |
912 | case 'h': usage(stderr); exit(0); | |
dc53ebfa MW |
913 | case 'B': |
914 | p = optarg; | |
915 | #define SKIP_PREFIX(s) \ | |
916 | (STRNCMP(p, ==, s "=", sizeof(s)) && (p += sizeof(s), 1)) | |
917 | for (;;) { | |
918 | if (SKIP_PREFIX("cf")) | |
f82e4cd7 MW |
919 | clear_factor = parse_float(&p, PNF_JUNK, 0, DBL_MAX, |
920 | "clear factor"); | |
dc53ebfa | 921 | else if (SKIP_PREFIX("cmin")) |
f82e4cd7 MW |
922 | clear_min = parse_int(&p, PNF_JUNK, 1, SECLIMIT, |
923 | "clear minimum"); | |
dc53ebfa | 924 | else if (SKIP_PREFIX("cmax")) |
f82e4cd7 MW |
925 | clear_max = parse_int(&p, PNF_JUNK, 1, SECLIMIT, |
926 | "clear maximum"); | |
dc53ebfa | 927 | else if (SKIP_PREFIX("sf")) |
f82e4cd7 MW |
928 | step_factor = parse_float(&p, PNF_JUNK, 0, DBL_MAX, |
929 | "step factor"); | |
dc53ebfa | 930 | else if (SKIP_PREFIX("smin")) |
f82e4cd7 MW |
931 | step_min = parse_int(&p, PNF_JUNK, 1, SECLIMIT - 1, |
932 | "step minimum"); | |
dc53ebfa | 933 | else if (SKIP_PREFIX("smax")) |
f82e4cd7 MW |
934 | step_max = parse_int(&p, PNF_JUNK, 1, SECLIMIT - 1, |
935 | "step maximum"); | |
dc53ebfa | 936 | else if (SKIP_PREFIX("retry")) |
f82e4cd7 | 937 | max_retries = parse_int(&p, PNF_JUNK, 0, INT_MAX, "retries"); |
c1d37fc8 | 938 | else if (SKIP_PREFIX("alpha")) |
f82e4cd7 | 939 | alpha = parse_float(&p, PNF_JUNK, 0, 1, "average decay factor"); |
dc53ebfa | 940 | else if (SKIP_PREFIX("_badwait")) |
f82e4cd7 MW |
941 | bad_block_delay = parse_float(&p, PNF_JUNK, 0, DBL_MAX, |
942 | "bad-block delay"); | |
dc53ebfa | 943 | else if (SKIP_PREFIX("_blkwait")) |
f82e4cd7 MW |
944 | good_block_delay = parse_float(&p, PNF_JUNK, 0, DBL_MAX, |
945 | "good block delay"); | |
dc53ebfa MW |
946 | else |
947 | bail("unknown bad blocks parameter `%s'", p); | |
948 | if (!*p) break; | |
949 | else if (*p != ',') bail("unexpected junk in parameters"); | |
950 | p++; | |
951 | } | |
952 | #undef SKIP_PREFIX | |
953 | break; | |
af3973a1 | 954 | case 'E': errfile = optarg; break; |
7fbe0fb9 MW |
955 | case 'F': f |= f_fixup; break; |
956 | case 'R': | |
957 | fp = fopen(optarg, "r"); | |
958 | if (!fp) | |
959 | bail_syserr(errno, "failed to open ranges file `%s'", optarg); | |
d79c7c9a | 960 | i = 0; last = -1; |
7fbe0fb9 | 961 | for (;;) { |
c62cd11a | 962 | buf_rewind(&buf); if (read_line(fp, &buf)) break; |
7fbe0fb9 MW |
963 | p = buf.p; i++; |
964 | while (ISSPACE(*p)) p++; | |
965 | if (!*p || *p == '#') continue; | |
87a145d2 MW |
966 | if (parse_range(p, 0, &start, &end) || |
967 | (last <= SECLIMIT && start < last)) | |
968 | bail("bad range `%s' at `%s' line %zu", buf.p, optarg, i); | |
7fbe0fb9 | 969 | if (start < end) { |
d79c7c9a MW |
970 | if (start == last) |
971 | eventq.v[eventq.n - 1].pos = end; | |
972 | else { | |
973 | put_event(EV_WRITE, 0, start); | |
974 | put_event(EV_STOP, 0, end); | |
975 | } | |
976 | last = end; | |
7fbe0fb9 MW |
977 | } |
978 | } | |
979 | if (ferror(fp)) | |
980 | bail_syserr(errno, "failed to read ranges file `%s'", optarg); | |
981 | break; | |
513eba44 MW |
982 | case 'X': |
983 | fp = fopen(optarg, "r"); | |
984 | if (!fp) | |
985 | bail_syserr(errno, "failed to open bad-blocks file `%s'", optarg); | |
986 | i = 0; last = -1; | |
987 | for (;;) { | |
c62cd11a | 988 | buf_rewind(&buf); if (read_line(fp, &buf)) break; |
513eba44 MW |
989 | p = buf.p; i++; |
990 | while (ISSPACE(*p)) p++; | |
991 | if (!*p || *p == '#') continue; | |
992 | if (parse_range(p, 0, &start, &end) || | |
993 | (last <= SECLIMIT && start < last)) | |
994 | bail("bad range `%s' at `%s' line %zu", buf.p, optarg, i); | |
995 | if (start < end) | |
996 | { VEC_PUSH(bad, &badblocks); bad->start = start; bad->end = end; } | |
997 | } | |
998 | if (ferror(fp)) | |
999 | bail_syserr(errno, "failed to read bad-blocks file `%s'", optarg); | |
1000 | break; | |
7fbe0fb9 | 1001 | case 'b': |
5cc1b8be MW |
1002 | if (mapfile) bail("can't have multiple map files"); |
1003 | mapfile = optarg; | |
7fbe0fb9 MW |
1004 | break; |
1005 | case 'c': f |= f_continue; break; | |
040a38df | 1006 | case 'i': f |= f_checkid; break; |
7fbe0fb9 | 1007 | case 'r': |
87a145d2 MW |
1008 | start = 0; end = -1; |
1009 | if (parse_range(optarg, PRF_HYPHEN, &start, &end)) | |
1010 | bail("bad range `%s'", optarg); | |
1011 | if (start < end) { | |
7fbe0fb9 | 1012 | put_event(EV_WRITE, 0, start); |
87a145d2 | 1013 | if (end <= SECLIMIT) put_event(EV_STOP, 0, end); |
7fbe0fb9 | 1014 | } |
7fbe0fb9 | 1015 | break; |
dc53ebfa | 1016 | case 's': f |= f_stats; break; |
7fbe0fb9 MW |
1017 | default: f |= f_bogus; break; |
1018 | } | |
1019 | } | |
69f3ec37 | 1020 | if (argc - optind != 2) f |= f_bogus; |
7fbe0fb9 MW |
1021 | if (f&f_bogus) { usage(stderr); exit(2); } |
1022 | ||
dc53ebfa MW |
1023 | setlocale(LC_ALL, ""); |
1024 | progress_init(&progress); | |
69f3ec37 MW |
1025 | device = argv[optind]; outfile = argv[optind + 1]; |
1026 | ||
513eba44 MW |
1027 | if (badblocks.n) { |
1028 | qsort(badblocks.v, badblocks.n, sizeof(struct badblock), | |
1029 | compare_badblock); | |
1030 | #ifdef DEBUG | |
1031 | printf(";; fake bad blocks:\n"); | |
1032 | for (i = 0; i < badblocks.n; i++) | |
1033 | printf(";;\t%8"PRIuSEC" .. %"PRIuSEC"\n", | |
1034 | badblocks.v[i].start, badblocks.v[i].end); | |
1035 | #endif | |
1036 | } | |
1037 | ||
d23998cb | 1038 | if (open_dvd(device, O_RDONLY, &dvdfd, &dvd)) exit(2); |
7fbe0fb9 | 1039 | |
4bd4876f | 1040 | blksz = SECTORSZ; volsz = device_size(dvdfd, device, &blksz); |
7fbe0fb9 MW |
1041 | if (blksz != SECTORSZ) |
1042 | bail("device `%s' block size %d /= %d", device, blksz, SECTORSZ); | |
1043 | if (volsz%SECTORSZ) | |
1044 | bail("device `%s' volume size %"PRIu64" not a multiple of %d", | |
1045 | device, volsz, SECTORSZ); | |
1046 | ||
d6845ac3 | 1047 | if (f&f_checkid) { |
d23998cb | 1048 | if (open_dvd(outfile, O_RDONLY, 0, &dvd_out)) exit(2); |
d6845ac3 MW |
1049 | if (dvd_id(id_in, dvd, DIF_MUSTIFOHASH, device) || |
1050 | dvd_id(id_out, dvd_out, DIF_MUSTIFOHASH, device)) | |
1051 | exit(2); | |
1052 | if (STRCMP(id_in, !=, id_out)) | |
1053 | bail("DVD id mismatch: input `%s' is `%s'; output `%s' is `%s'", | |
1054 | device, id_in, outfile, id_out); | |
1055 | } | |
1056 | ||
dc53ebfa MW |
1057 | outfd = open(outfile, O_WRONLY | O_CREAT, 0666); |
1058 | if (outfd < 0) | |
1059 | bail_syserr(errno, "failed to create output file `%s'", outfile); | |
7fbe0fb9 MW |
1060 | |
1061 | if (f&f_continue) { | |
7fbe0fb9 MW |
1062 | off = lseek(outfd, 0, SEEK_END); |
1063 | if (off < 0) | |
1064 | bail_syserr(errno, "failed to seek to end of output file `%s'", | |
1065 | outfile); | |
1066 | put_event(EV_WRITE, 0, off/SECTORSZ); | |
1067 | } else if (!eventq.n && !(f&f_fixup)) | |
1068 | put_event(EV_WRITE, 0, 0); | |
1069 | ||
7fbe0fb9 | 1070 | /* It's fast enough just to check everything. */ |
5cc1b8be | 1071 | put_menu(dvd, 0); |
7fbe0fb9 | 1072 | for (i = 1; i < 100; i++) { |
5cc1b8be MW |
1073 | put_menu(dvd, i); |
1074 | put_title(dvd, i); | |
7fbe0fb9 MW |
1075 | } |
1076 | put_file(mkident(RAW, 0, 0), 0, volsz/SECTORSZ); | |
1077 | assert(filetab.n <= MAXFILES); | |
1078 | ||
5cc1b8be MW |
1079 | for (i = 0, limit = 0; i < filetab.n; i++) |
1080 | if (filetab.v[i].end > limit) limit = filetab.v[i].end; | |
7fbe0fb9 | 1081 | |
5cc1b8be | 1082 | if (end > limit) end = limit; |
7fbe0fb9 MW |
1083 | |
1084 | #ifdef DEBUG | |
1085 | printf("\n;; files:\n"); | |
1086 | for (i = 0; i < filetab.n; i++) { | |
1087 | file = &filetab.v[i]; | |
1088 | store_filename(fn, file->id); | |
50c72655 MW |
1089 | printf(";;\t%8"PRIuSEC" .. %-8"PRIuSEC" %s\n", |
1090 | file->start, file->end, fn); | |
7fbe0fb9 MW |
1091 | } |
1092 | #endif | |
1093 | ||
1094 | qsort(eventq.v, eventq.n, sizeof(struct event), compare_event); | |
1095 | ||
7763378f | 1096 | f &= ~f_write; start = 0; |
7fbe0fb9 MW |
1097 | for (i = 0; i < eventq.n; i++) { |
1098 | ev = &eventq.v[i]; | |
1099 | switch (ev->ev) { | |
1100 | case EV_WRITE: | |
1101 | if (f&f_write) | |
50232384 MW |
1102 | bail("overlapping ranges: range from %"PRIuSEC" " |
1103 | "still open at %"PRIuSEC"", | |
7fbe0fb9 | 1104 | start, ev->pos); |
7763378f | 1105 | f |= f_write; start = ev->pos; |
7fbe0fb9 MW |
1106 | break; |
1107 | case EV_STOP: | |
1108 | f &= ~f_write; | |
1109 | break; | |
1110 | } | |
1111 | } | |
1112 | ||
d366dab7 MW |
1113 | #ifdef DEBUG |
1114 | dump_eventq("initial"); | |
1115 | #endif | |
7fbe0fb9 MW |
1116 | f &= ~f_write; start = 0; |
1117 | for (i = 0; i < eventq.n; i++) { | |
1118 | ev = &eventq.v[i]; | |
41034102 | 1119 | if (ev->ev == EV_WRITE) { start = ev->pos; f |= f_write; } |
5cc1b8be | 1120 | if (ev->pos >= limit) break; |
41034102 | 1121 | if (ev->ev == EV_STOP) { nsectors += ev->pos - start; f &= ~f_write; } |
7fbe0fb9 MW |
1122 | if (f&f_fixup) start = ev->pos; |
1123 | } | |
1124 | eventq.n = i; | |
d366dab7 MW |
1125 | #ifdef DEBUG |
1126 | dump_eventq("trimmed"); | |
1127 | #endif | |
7fbe0fb9 MW |
1128 | if (f&f_fixup) { |
1129 | put_event(EV_WRITE, 0, start); | |
7763378f | 1130 | f |= f_write; |
7fbe0fb9 MW |
1131 | } |
1132 | if (f&f_write) { | |
5cc1b8be MW |
1133 | nsectors += limit - start; |
1134 | put_event(EV_STOP, 0, limit); | |
7fbe0fb9 | 1135 | } |
d366dab7 MW |
1136 | #ifdef DEBUG |
1137 | dump_eventq("final"); | |
1138 | #endif | |
dc53ebfa MW |
1139 | |
1140 | copy_progress.render = render_copy_progress; | |
1141 | progress_additem(&progress, ©_progress); | |
e0c3a82d MW |
1142 | if (nsectors == limit - start) |
1143 | { ndone = start; nsectors = limit; } | |
1144 | else { | |
dc53ebfa MW |
1145 | disc_progress.render = render_disc_progress; |
1146 | progress_additem(&progress, &disc_progress); | |
1147 | } | |
1148 | ||
1149 | if (f&f_stats) gettimeofday(&tv0, 0); | |
7fbe0fb9 MW |
1150 | |
1151 | #ifdef DEBUG | |
1152 | printf("\n;; event sweep:\n"); | |
1153 | #endif | |
dc53ebfa | 1154 | f &= ~f_write; |
7fbe0fb9 MW |
1155 | for (pos = 0, i = 0; i < eventq.n; i++) { |
1156 | ev = &eventq.v[i]; | |
1157 | if (ev->pos > pos) { | |
9ac85bf5 | 1158 | if (f&f_write) emit(pos, ev->pos); |
7fbe0fb9 MW |
1159 | pos = ev->pos; |
1160 | #ifdef DEBUG | |
dc53ebfa | 1161 | progress_clear(&progress); |
7fbe0fb9 MW |
1162 | printf(";;\n"); |
1163 | #endif | |
1164 | } | |
1165 | switch (ev->ev) { | |
1166 | case EV_BEGIN: | |
1167 | set_live(ev->file); | |
1168 | #ifdef DEBUG | |
1169 | store_filename(fn, filetab.v[ev->file].id); | |
dc53ebfa | 1170 | progress_clear(&progress); |
788fe88a | 1171 | printf(";; %8"PRIuSEC": begin `%s'\n", pos, fn); |
7fbe0fb9 MW |
1172 | #endif |
1173 | break; | |
1174 | case EV_WRITE: | |
5cc1b8be | 1175 | gettimeofday(&last_time, 0); last_pos = pos; |
69f3ec37 | 1176 | if (lseek(outfd, (off_t)ev->pos*SECTORSZ, SEEK_SET) < 0) |
7fbe0fb9 MW |
1177 | bail_syserr(errno, |
1178 | "failed to seek to resume position " | |
788fe88a | 1179 | "(sector %"PRIuSEC") in output file `%s'", |
7fbe0fb9 MW |
1180 | ev->pos, outfile); |
1181 | #ifdef DEBUG | |
dc53ebfa | 1182 | progress_clear(&progress); |
788fe88a | 1183 | printf(";; %8"PRIuSEC": begin write\n", pos); |
7fbe0fb9 MW |
1184 | #endif |
1185 | f |= f_write; | |
1186 | break; | |
1187 | case EV_STOP: | |
1188 | f &= ~f_write; | |
1189 | #ifdef DEBUG | |
dc53ebfa | 1190 | progress_clear(&progress); |
788fe88a | 1191 | printf(";; %8"PRIuSEC": end write\n", pos); |
7fbe0fb9 MW |
1192 | #endif |
1193 | break; | |
1194 | case EV_END: | |
1195 | clear_live(ev->file); | |
1196 | #ifdef DEBUG | |
1197 | store_filename(fn, filetab.v[ev->file].id); | |
dc53ebfa | 1198 | progress_clear(&progress); |
788fe88a | 1199 | printf(";; %8"PRIuSEC": end `%s'\n", pos, fn); |
7fbe0fb9 MW |
1200 | #endif |
1201 | break; | |
1202 | default: abort(); | |
1203 | } | |
1204 | } | |
1205 | ||
dc53ebfa | 1206 | progress_clear(&progress); |
7fbe0fb9 | 1207 | |
69f3ec37 | 1208 | if (ftruncate(outfd, (off_t)limit*SECTORSZ) < 0) |
7fbe0fb9 MW |
1209 | bail_syserr(errno, "failed to set output file `%s' length", outfile); |
1210 | ||
dc53ebfa MW |
1211 | if (f&f_stats) { |
1212 | gettimeofday(&tv1, 0); t = tvdiff(&tv0, &tv1); | |
627fa6be | 1213 | if (nsectors == limit) { ndone -= start; nsectors -= start; } |
dc53ebfa MW |
1214 | tot = scale_bytes((double)nsectors*SECTORSZ, &totunit); |
1215 | rate = scale_bytes((double)nsectors*SECTORSZ/t, &rateunit); | |
1216 | moan("all done: %.1f %sB in %s -- %.1f %sB/s", | |
1217 | tot, totunit, fmttime(t, timebuf), rate, rateunit); | |
1218 | } | |
1219 | ||
5cc1b8be MW |
1220 | if (dvd) DVDClose(dvd); |
1221 | if (dvdfd >= 0) close(dvdfd); | |
7fbe0fb9 | 1222 | if (outfd >= 0) close(outfd); |
813c2ce8 | 1223 | carefully_fclose(mapfp, "bad-sector region map"); |
af3973a1 | 1224 | carefully_fclose(errfp, "bad-sector error log"); |
dc53ebfa | 1225 | progress_free(&progress); |
7fbe0fb9 MW |
1226 | |
1227 | #undef f_bogus | |
1228 | #undef f_continue | |
1229 | #undef f_fixup | |
dc53ebfa | 1230 | #undef f_stats |
7fbe0fb9 MW |
1231 | #undef f_write |
1232 | ||
8da99a82 | 1233 | return (0); |
7fbe0fb9 | 1234 | } |