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 | ||
7fbe0fb9 MW |
11 | #define MAXFILES (1 + 2*99 + 1) |
12 | struct file { | |
13 | ident id; | |
788fe88a | 14 | secaddr start, end; |
7fbe0fb9 MW |
15 | }; |
16 | DEFVEC(file_v, struct file); | |
17 | static file_v filetab = VEC_INIT; | |
18 | ||
d79ff9c5 | 19 | enum { EV_STOP, EV_BEGIN, EV_END, EV_WRITE }; |
7fbe0fb9 MW |
20 | struct event { |
21 | unsigned char ev, file; | |
788fe88a | 22 | secaddr pos; |
7fbe0fb9 MW |
23 | }; |
24 | DEFVEC(event_v, struct event); | |
25 | static event_v eventq = VEC_INIT; | |
26 | ||
72279434 MW |
27 | static int compare_event(const void *a, const void *b) |
28 | { | |
29 | const struct event *eva = a, *evb = b; | |
30 | ||
31 | if (eva->pos < evb->pos) return (-1); | |
32 | else if (eva->pos > evb->pos) return (+1); | |
33 | ||
34 | if (eva->ev < evb->ev) return (-1); | |
35 | else if (eva->ev > evb->ev) return (+1); | |
36 | ||
37 | if (eva->file < evb->file) return (-1); | |
38 | else if (eva->file > evb->file) return (+1); | |
39 | ||
40 | return (0); | |
41 | } | |
42 | ||
7fbe0fb9 MW |
43 | typedef uint_least32_t bits; |
44 | static bits live[(MAXFILES + 31)/32]; | |
45 | ||
46 | static inline int livep(unsigned i) | |
47 | { return (live[i/32]&((bits)1 << (i%32))); } | |
48 | static inline void set_live(unsigned i) | |
49 | { live[i/32] |= (bits)1 << (i%32); } | |
50 | static inline void clear_live(unsigned i) | |
51 | { live[i/32] &= ~((bits)1 << (i%32)); } | |
52 | static inline int least_live(void) | |
53 | { | |
54 | unsigned i, n = (filetab.n + 32)/32; | |
55 | bits b; | |
56 | ||
57 | for (i = 0; i < n; i++) { b = live[i]; if (b) goto found; } | |
58 | return (-1); | |
59 | found: | |
60 | i *= 32; | |
61 | if (!(b&0x0000ffff)) { b >>= 16; i += 16; } | |
62 | if (!(b&0x000000ff)) { b >>= 8; i += 8; } | |
63 | if (!(b&0x0000000f)) { b >>= 4; i += 4; } | |
64 | if (!(b&0x00000003)) { b >>= 2; i += 2; } | |
65 | if (!(b&0x00000001)) { b >>= 1; i += 1; } | |
66 | assert(b&1); | |
67 | return (i); | |
68 | } | |
69 | ||
788fe88a | 70 | static void put_event(unsigned evtype, unsigned file, secaddr pos) |
7fbe0fb9 MW |
71 | { |
72 | struct event *ev; | |
73 | ||
74 | VEC_PUSH(ev, &eventq); | |
75 | ev->ev = evtype; ev->file = file; ev->pos = pos; | |
76 | } | |
77 | ||
788fe88a | 78 | static void put_file(ident id, secaddr start, secaddr end) |
7fbe0fb9 MW |
79 | { |
80 | struct file *f; | |
81 | size_t i; | |
82 | ||
83 | VEC_PUSH(f, &filetab); i = f - filetab.v; | |
84 | f->id = id; f->start = start; f->end = end; | |
85 | put_event(EV_BEGIN, i, start); | |
86 | put_event(EV_END, i, end); | |
87 | } | |
88 | ||
89 | static void put_menu(dvd_reader_t *dvd, unsigned title) | |
90 | { | |
91 | ident id = mkident(VOB, title, 0); | |
92 | char fn[MAXFNSZ]; | |
788fe88a | 93 | secaddr start, len; |
7fbe0fb9 MW |
94 | |
95 | store_filename(fn, id); | |
96 | start = UDFFindFile(dvd, fn, &len); if (!start) return; | |
97 | #ifdef DEBUG | |
788fe88a | 98 | printf(";; %8"PRIuSEC" .. %-8"PRIuSEC": %s\n", |
7fbe0fb9 MW |
99 | start, start + SECTORS(len), fn); |
100 | #endif | |
101 | put_file(id, start, start + SECTORS(len)); | |
102 | } | |
103 | ||
104 | static void put_title(dvd_reader_t *dvd, unsigned title) | |
105 | { | |
106 | char fn[MAXFNSZ]; | |
788fe88a | 107 | secaddr start[9], len[9]; |
7fbe0fb9 MW |
108 | unsigned i, npart; |
109 | ||
110 | for (i = 0; i < 9; i++) { | |
111 | store_filename(fn, mkident(VOB, title, i + 1)); | |
112 | start[i] = UDFFindFile(dvd, fn, &len[i]); if (!start[i]) break; | |
113 | } | |
114 | npart = i; if (!npart) return; | |
115 | ||
116 | #ifdef DEBUG | |
117 | for (i = 0; i < npart; i++) { | |
118 | store_filename(fn, mkident(VOB, title, i + 1)); | |
788fe88a | 119 | printf(";; %8"PRIuSEC" .. %-8"PRIuSEC": %s\n", |
7fbe0fb9 MW |
120 | start[i], start[i] + SECTORS(len[i]), fn); |
121 | } | |
122 | #endif | |
123 | ||
124 | if (npart > 1) | |
125 | for (i = 0; i < npart - 1; i++) { | |
126 | if (len[i]%SECTORSZ) | |
788fe88a | 127 | bail("title %u part %u length = %"PRIuSEC" not a multiple of %d", |
7fbe0fb9 MW |
128 | title, i, len[i], SECTORSZ); |
129 | if (start[i] + len[i]/SECTORSZ != start[i + 1]) | |
788fe88a MW |
130 | bail |
131 | ("title %u part %u end = %"PRIuSEC" /= part %u start = %"PRIuSEC"", | |
132 | title, i, start[i] + len[i]/SECTORSZ, i + 1, start[i + 1]); | |
7fbe0fb9 MW |
133 | } |
134 | ||
135 | put_file(mkident(VOB, title, 1), | |
136 | start[0], start[npart - 1] + SECTORS(len[npart - 1])); | |
137 | } | |
138 | ||
dc53ebfa MW |
139 | static secaddr last_pos, limit, nsectors, ndone; |
140 | static struct timeval last_time; | |
141 | static double wsum, wcount; | |
142 | static struct file *file; | |
143 | static secaddr bad_start; | |
144 | static unsigned retry, max_retries = 4; | |
145 | static int bad_err; | |
146 | ||
147 | static const char throbber[] = "|<-<|>->"; | |
148 | static unsigned throbix = 0; | |
7fbe0fb9 | 149 | |
dc53ebfa | 150 | static double scale_bytes(double n, const char **unit_out) |
12db0342 | 151 | { |
dc53ebfa MW |
152 | const char *unit = ""; |
153 | ||
154 | if (n > 1600) { n /= 1024; unit = "k"; } | |
155 | if (n > 1600) { n /= 1024; unit = "M"; } | |
156 | if (n > 1600) { n /= 1024; unit = "G"; } | |
157 | if (n > 1600) { n /= 1024; unit = "T"; } | |
158 | ||
159 | *unit_out = unit; return (n); | |
12db0342 | 160 | } |
dc53ebfa MW |
161 | |
162 | static struct progress_item | |
163 | copy_progress, disc_progress, | |
164 | file_progress, badblock_progress; | |
165 | ||
166 | #define TIMESTRMAX 16 | |
167 | static char *fmttime(unsigned long t, char *buf) | |
7fbe0fb9 | 168 | { |
dc53ebfa MW |
169 | if (t < 60) sprintf(buf, "%ld s", t); |
170 | else if (t < 3600) sprintf(buf, "%ld:%02ld", t/60, t%60); | |
171 | else sprintf(buf, "%ld:%02ld:%02ld", t/3600, (t/60)%60, t%60); | |
172 | return (buf); | |
173 | } | |
7fbe0fb9 | 174 | |
dc53ebfa MW |
175 | static void render_perfstats(struct progress_render_state *render) |
176 | { | |
177 | int eta; | |
178 | char timebuf[TIMESTRMAX]; | |
179 | double rate; | |
180 | const char *unit; | |
181 | ||
182 | if (!wsum || !wcount) { rate = 0; eta = -1; } | |
183 | else { rate = wsum/wcount; eta = (int)((nsectors - ndone)/rate + 0.5); } | |
184 | ||
185 | rate = scale_bytes(rate*SECTORSZ, &unit); | |
186 | progress_putright(render, "ETA %s ", rate ? fmttime(eta, timebuf) : "???"); | |
187 | progress_putright(render, "%.1f %sB/s, ", rate, unit); | |
7fbe0fb9 | 188 | } |
dc53ebfa MW |
189 | |
190 | static void render_copy_progress(struct progress_item *item, | |
191 | struct progress_render_state *render) | |
7fbe0fb9 | 192 | { |
dc53ebfa | 193 | double frac = (double)ndone/nsectors; |
7fbe0fb9 | 194 | |
dc53ebfa MW |
195 | progress_putleft(render, " %c copied %.1f%%", |
196 | throbber[throbix], 100.0*frac); | |
197 | render_perfstats(render); | |
198 | progress_putleft(render, " (%"PRIuSEC" of %"PRIuSEC")", ndone, nsectors); | |
199 | ||
200 | progress_showbar(render, frac); | |
7fbe0fb9 MW |
201 | } |
202 | ||
dc53ebfa MW |
203 | static void render_disc_progress(struct progress_item *item, |
204 | struct progress_render_state *render) | |
205 | { | |
206 | double frac = (double)last_pos/limit; | |
5cc1b8be | 207 | |
dc53ebfa MW |
208 | progress_putleft(render, " disc %.1f%% (%"PRIuSEC" of %"PRIuSEC")", |
209 | 100.0*frac, last_pos, limit); | |
210 | progress_showbar(render, frac); | |
211 | } | |
a090d4b3 | 212 | |
dc53ebfa MW |
213 | static void render_file_progress(struct progress_item *item, |
214 | struct progress_render_state *render) | |
215 | { | |
216 | secaddr off = last_pos - file->start, len = file->end - file->start; | |
217 | char fn[MAXFNSZ]; | |
218 | double frac; | |
219 | ||
220 | store_filename(fn, file->id); | |
221 | frac = (double)off/len; | |
222 | progress_putleft(render, " `%s' %.1f%% (%"PRIuSEC" of %"PRIuSEC")", | |
223 | fn, 100.0*frac, off, len); | |
224 | progress_showbar(render, frac); | |
225 | } | |
226 | ||
227 | static void render_badblock_progress(struct progress_item *item, | |
228 | struct progress_render_state *render) | |
229 | { | |
230 | secaddr n = last_pos - bad_start; | |
231 | int bg; | |
232 | ||
233 | if (!n) { | |
234 | progress_putleft(render, " Retrying bad sector %"PRIuSEC"", bad_start); | |
235 | progress_putright(render, "attempt %u/%u ", retry + 1, max_retries); | |
236 | bg = 4; | |
237 | } else { | |
238 | progress_putleft(render, " Found %"PRIuSEC" bad %s", | |
239 | n, n == 1 ? "sector" : "sectors"); | |
240 | progress_putright(render, "%"PRIuSEC" .. %"PRIuSEC" ", | |
241 | bad_start, last_pos); | |
242 | bg = 1; | |
243 | } | |
244 | if (bad_err && bad_err != EIO) | |
245 | progress_putleft(render, " (%s)", strerror(bad_err)); | |
246 | progress_shownotice(render, bg, 7); | |
247 | } | |
248 | ||
c1d37fc8 MW |
249 | static double alpha = 0.1; |
250 | ||
dc53ebfa | 251 | static void update_progress(secaddr pos) |
7fbe0fb9 | 252 | { |
7fbe0fb9 | 253 | struct timeval now; |
dc53ebfa MW |
254 | double t, f, g; |
255 | ||
256 | gettimeofday(&now, 0); | |
257 | t = tvdiff(&last_time, &now); | |
7fbe0fb9 | 258 | |
c1d37fc8 | 259 | #define BETA (1 - alpha) |
7fbe0fb9 | 260 | |
7fbe0fb9 | 261 | if (t) { |
5cc1b8be MW |
262 | g = wcount ? pow(BETA, t) : 0.0; f = (1 - g)/(1 - BETA); |
263 | wsum = f*(pos - last_pos)/t + g*wsum; | |
264 | wcount = f + g*wcount; | |
265 | ndone += pos - last_pos; | |
266 | last_time = now; last_pos = pos; | |
7fbe0fb9 MW |
267 | } |
268 | ||
7fbe0fb9 | 269 | #undef BETA |
dc53ebfa MW |
270 | |
271 | throbix++; if (!throbber[throbix]) throbix = 0; | |
7fbe0fb9 MW |
272 | } |
273 | ||
dc53ebfa MW |
274 | static void report_progress(secaddr pos) |
275 | { update_progress(pos); progress_update(&progress); } | |
276 | ||
eb061ad9 | 277 | static dvd_reader_t *dvd; |
9ac85bf5 | 278 | static int dvdfd = -1, outfd = -1; |
eb061ad9 MW |
279 | static dvd_file_t *vob; |
280 | static const char *mapfile; static FILE *mapfp; | |
af3973a1 | 281 | static const char *errfile; static FILE *errfp; |
eb061ad9 | 282 | |
513eba44 MW |
283 | struct badblock { secaddr start, end; }; |
284 | DEFVEC(badblock_v, struct badblock); | |
285 | static badblock_v badblocks = VEC_INIT; | |
286 | ||
287 | static int compare_badblock(const void *a, const void *b) | |
288 | { | |
289 | const struct badblock *ba = a, *bb = b; | |
290 | ||
291 | if (ba->start < bb->start) return (-1); | |
292 | else if (ba->start > bb->start) return (+1); | |
293 | ||
294 | if (ba->end < bb->end) return (-1); | |
295 | else if (ba->end > bb->end) return (+1); | |
296 | ||
297 | return (0); | |
298 | } | |
299 | ||
dc53ebfa MW |
300 | static double bad_block_delay = 0.0; |
301 | static double good_block_delay = 0.0; | |
302 | ||
5cc1b8be | 303 | static ssize_t read_sectors(secaddr pos, void *buf, secaddr want) |
7fbe0fb9 | 304 | { |
0f0ba33f | 305 | ssize_t n, done; |
513eba44 | 306 | size_t lo, mid, hi; |
0f0ba33f | 307 | int fakeerr = 0; |
513eba44 | 308 | struct badblock *bad, *best; |
0f0ba33f | 309 | unsigned char *p = buf; |
513eba44 | 310 | |
6e7426fe MW |
311 | if (badblocks.n) { |
312 | best = 0; lo = 0; hi = badblocks.n; | |
513eba44 | 313 | #ifdef DEBUG |
cf556df2 | 314 | progress_clear(&progress); |
6e7426fe MW |
315 | printf(";; searching badblocks for %"PRIuSEC" .. %"PRIuSEC"\n", |
316 | pos, pos + want); | |
513eba44 | 317 | #endif |
6e7426fe MW |
318 | while (lo < hi) { |
319 | mid = lo + (hi - lo)/2; bad = &badblocks.v[mid]; | |
513eba44 | 320 | #ifdef DEBUG |
6e7426fe MW |
321 | printf(";; try %zu (%"PRIuSEC" .. %"PRIuSEC")... ", |
322 | mid, bad->start, bad->end); | |
513eba44 | 323 | #endif |
6e7426fe MW |
324 | if (pos < bad->start) { D( printf("high\n"); ) best = bad; hi = mid; } |
325 | else if (pos >= bad->end) { D( printf("low\n"); ) lo = mid + 1; } | |
12ade065 MW |
326 | else { |
327 | D( printf("match!\n"); ) | |
328 | errno = EIO; sit(bad_block_delay); return (-1); | |
329 | } | |
6e7426fe | 330 | } |
513eba44 | 331 | #ifdef DEBUG |
6e7426fe MW |
332 | if (best) |
333 | printf(";; next is %"PRIuSEC" .. %"PRIuSEC"\n", | |
334 | best->start, best->end); | |
513eba44 | 335 | #endif |
6e7426fe | 336 | if (best && pos + want > best->start) |
dc53ebfa | 337 | { want = best->start - pos; fakeerr = EIO; sit(bad_block_delay); } |
6e7426fe | 338 | } |
0f0ba33f MW |
339 | done = 0; |
340 | while (want) { | |
341 | if (vob) | |
342 | { errno = 0; n = DVDReadBlocks(vob, pos - file->start, want, p); } | |
343 | else if (file) { | |
344 | if (lseek(dvdfd, (off_t)pos*SECTORSZ, SEEK_SET) < 0) | |
345 | bail_syserr(errno, "failed to seek to sector %"PRIuSEC"", pos); | |
346 | errno = 0; n = read(dvdfd, p, want*SECTORSZ); | |
347 | if (n >= 0) n /= SECTORSZ; | |
348 | } else { | |
349 | memset(p, 0, want*SECTORSZ); | |
350 | n = want; | |
351 | } | |
7fbe0fb9 | 352 | |
0f0ba33f | 353 | if (n > 0) { done += n; pos += n; p += n*SECTORSZ; want -= n; } |
af3973a1 MW |
354 | else if (!n) break; |
355 | else if (errno == EIO && errfile) { | |
356 | open_file_on_demand(errfile, &errfp, "bad-sector error log"); | |
357 | fprintf(errfp, "%"PRIuSEC" %"PRIuSEC"\n", pos, pos + 1); | |
358 | check_write(errfp, "bad-sector error log"); | |
359 | break; | |
360 | } else if (errno != EINTR) break; | |
0f0ba33f MW |
361 | } |
362 | if (fakeerr && !errno) errno = fakeerr; | |
dc53ebfa | 363 | else if (done > 0 && good_block_delay) sit(done*good_block_delay); |
0f0ba33f | 364 | return (!done && errno ? -1 : done); |
7fbe0fb9 MW |
365 | } |
366 | ||
dc53ebfa | 367 | static void record_bad_sectors(secaddr bad_lo, secaddr bad_hi) |
06b2bcfe | 368 | { |
dc53ebfa | 369 | char fn[MAXFNSZ]; |
06b2bcfe | 370 | |
dc53ebfa MW |
371 | if (!mapfile) return; |
372 | ||
373 | open_file_on_demand(mapfile, &mapfp, "bad-sector region map"); | |
de4d575e MW |
374 | fprintf(mapfp, "%"PRIuSEC" %"PRIuSEC" # %"PRIuSEC" sectors", |
375 | bad_lo, bad_hi, bad_hi - bad_lo); | |
dc53ebfa MW |
376 | |
377 | if (file && id_kind(file->id) != RAW) { | |
378 | store_filename(fn, file->id); | |
de4d575e | 379 | fprintf(mapfp, "; `%s' %"PRIuSEC" .. %"PRIuSEC" of %"PRIuSEC"", |
dc53ebfa MW |
380 | fn, bad_lo - file->start, bad_hi - file->start, |
381 | file->end - file->start); | |
382 | } | |
383 | ||
384 | fputc('\n', mapfp); | |
385 | check_write(mapfp, "bad-sector region map"); | |
06b2bcfe MW |
386 | } |
387 | ||
2ac5af03 MW |
388 | static void recovered(secaddr bad_lo, secaddr bad_hi) |
389 | { | |
dc53ebfa MW |
390 | char fn[MAXFNSZ]; |
391 | ||
392 | progress_clear(&progress); | |
393 | ||
394 | if (!file || id_kind(file->id) == RAW) | |
395 | moan("skipping %"PRIuSEC" bad sectors (%"PRIuSEC" .. %"PRIuSEC")", | |
396 | bad_hi - bad_lo, bad_lo, bad_hi); | |
397 | else { | |
398 | store_filename(fn, file->id); | |
399 | moan("skipping %"PRIuSEC" bad sectors (%"PRIuSEC" .. %"PRIuSEC"; " | |
400 | "`%s' %"PRIuSEC" .. %"PRIuSEC" of %"PRIuSEC")", | |
401 | bad_hi - bad_lo, bad_lo, bad_hi, | |
402 | fn, bad_lo - file->start, bad_hi - file->start, | |
403 | file->end - file->start); | |
2ac5af03 | 404 | } |
dc53ebfa MW |
405 | |
406 | record_bad_sectors(bad_lo, bad_hi); | |
407 | ||
2ac5af03 MW |
408 | if (lseek(outfd, (off_t)(bad_hi - bad_lo)*SECTORSZ, SEEK_CUR) < 0) |
409 | bail_syserr(errno, "failed to seek past bad sectors"); | |
dc53ebfa MW |
410 | |
411 | progress_removeitem(&progress, &badblock_progress); | |
412 | progress_update(&progress); | |
2ac5af03 MW |
413 | } |
414 | ||
f0e437bc MW |
415 | struct recoverybuf { |
416 | unsigned char *buf; | |
417 | secaddr sz, pos, start, end; | |
dc53ebfa | 418 | secaddr good_lo, good_hi; |
f0e437bc MW |
419 | }; |
420 | ||
421 | static void rearrange_sectors(struct recoverybuf *r, | |
422 | secaddr dest, secaddr src, secaddr len) | |
423 | { | |
424 | assert(dest + len <= r->sz); | |
425 | assert(src + len <= r->sz); | |
426 | memmove(r->buf + dest*SECTORSZ, r->buf + src*SECTORSZ, len*SECTORSZ); | |
427 | } | |
428 | ||
429 | #ifdef DEBUG | |
dc53ebfa MW |
430 | static PRINTF_LIKE(2, 3) |
431 | void show_recovery_buffer_map(const struct recoverybuf *r, | |
432 | const char *what, ...) | |
f0e437bc MW |
433 | { |
434 | va_list ap; | |
435 | ||
436 | va_start(ap, what); | |
cf556df2 | 437 | progress_clear(&progress); |
f0e437bc MW |
438 | printf(";; recovery buffer ("); |
439 | vprintf(what, ap); | |
440 | printf("): " | |
441 | "(%"PRIuSEC") ..%"PRIuSEC".. " | |
442 | "[%"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC"] " | |
443 | "..%"PRIuSEC".. (%"PRIuSEC")\n", | |
444 | r->pos, r->start, | |
445 | r->pos + r->start, r->end - r->start, r->pos + r->end, | |
446 | r->sz - r->end, r->pos + r->sz); | |
447 | va_end(ap); | |
448 | assert(r->start <= r->end); | |
449 | assert(r->end <= r->sz); | |
450 | } | |
451 | #endif | |
452 | ||
453 | static ssize_t recovery_read_sectors(struct recoverybuf *r, | |
454 | secaddr pos, secaddr off, secaddr want) | |
455 | { | |
456 | ssize_t n; | |
457 | ||
9c8ab410 | 458 | assert(off <= r->sz); assert(want <= r->sz - off); |
f0e437bc MW |
459 | n = read_sectors(pos, r->buf + off*SECTORSZ, want); |
460 | return (n); | |
461 | } | |
462 | ||
dc53ebfa MW |
463 | static ssize_t recovery_read_buffer(struct recoverybuf *r, |
464 | secaddr pos, secaddr want) | |
f0e437bc MW |
465 | { |
466 | secaddr diff, pp, nn; | |
467 | ssize_t n; | |
468 | ||
469 | #ifdef DEBUG | |
cf556df2 | 470 | progress_clear(&progress); |
f0e437bc MW |
471 | show_recovery_buffer_map(r, "begin(%"PRIuSEC", %"PRIuSEC")", pos, want); |
472 | #endif | |
473 | ||
474 | if (pos < r->pos) { | |
475 | diff = r->pos - pos; | |
476 | if (r->start + diff >= r->sz) { | |
477 | r->pos = pos; r->start = r->end = 0; | |
478 | #ifdef DEBUG | |
479 | show_recovery_buffer_map(r, "cleared; shift up by %"PRIuSEC"", diff); | |
480 | #endif | |
481 | } else { | |
482 | if (r->end + diff > r->sz) r->end = r->sz - diff; | |
483 | rearrange_sectors(r, r->start + diff, r->start, r->end - r->start); | |
ea027dd6 | 484 | r->pos -= diff; r->start += diff; r->end += diff; |
f0e437bc MW |
485 | #ifdef DEBUG |
486 | show_recovery_buffer_map(r, "shifted up by %"PRIuSEC"", diff); | |
487 | #endif | |
488 | } | |
489 | } else if (pos > r->pos + r->end) { | |
490 | r->pos = pos; r->start = r->end = 0; | |
491 | #ifdef DEBUG | |
cf556df2 | 492 | show_recovery_buffer_map(r, "cleared; beyond previous region"); |
f0e437bc MW |
493 | #endif |
494 | } else if (pos + want > r->pos + r->sz) { | |
495 | diff = (pos + want) - (r->pos + r->sz); | |
496 | if (r->end <= diff) { | |
497 | r->pos = pos; r->start = r->end = 0; | |
498 | #ifdef DEBUG | |
499 | show_recovery_buffer_map(r, "cleared; shift down by %"PRIuSEC"", diff); | |
500 | #endif | |
501 | } else { | |
502 | if (r->start < diff) r->start = diff; | |
503 | rearrange_sectors(r, r->start - diff, r->start, r->end - r->start); | |
ea027dd6 | 504 | r->pos += diff; r->start -= diff; r->end -= diff; |
f0e437bc MW |
505 | #ifdef DEBUG |
506 | show_recovery_buffer_map(r, "shifted down by %"PRIuSEC"", diff); | |
507 | #endif | |
508 | } | |
509 | } | |
510 | ||
511 | if (pos < r->pos + r->start) { | |
512 | pp = pos - r->pos; nn = r->start - pp; | |
513 | #ifdef DEBUG | |
514 | printf(";; read low (%"PRIuSEC"@%"PRIuSEC", %"PRIuSEC")", pos, pp, nn); | |
515 | fflush(stdout); | |
516 | #endif | |
517 | n = recovery_read_sectors(r, pos, pp, nn); | |
518 | #ifdef DEBUG | |
c0bff521 | 519 | printf(" -> %zd\n", n); |
f0e437bc MW |
520 | #endif |
521 | if (n != nn) { | |
d935b481 | 522 | if (n >= 0 && n > want) n = want; |
f0e437bc MW |
523 | goto end; |
524 | } | |
525 | r->start = pp; | |
526 | #ifdef DEBUG | |
527 | show_recovery_buffer_map(r, "joined new region"); | |
528 | #endif | |
529 | } | |
530 | ||
531 | if (pos + want > r->pos + r->end) { | |
532 | pp = r->end; nn = (pos + want) - (r->pos + r->end); | |
533 | #ifdef DEBUG | |
534 | printf(";; read high (%"PRIuSEC"@%"PRIuSEC", %"PRIuSEC")", | |
535 | r->pos + pp, pp, nn); | |
62fc1b88 | 536 | fflush(stdout); |
f0e437bc | 537 | #endif |
69d1ae9d | 538 | n = recovery_read_sectors(r, r->pos + pp, pp, nn); |
f0e437bc | 539 | #ifdef DEBUG |
c0bff521 | 540 | printf(" -> %zd\n", n); |
f0e437bc MW |
541 | #endif |
542 | if (n > 0) { | |
543 | r->end += n; | |
544 | #ifdef DEBUG | |
545 | show_recovery_buffer_map(r, "joined new region"); | |
546 | #endif | |
547 | } | |
548 | } | |
549 | ||
550 | n = r->pos + r->end - pos; | |
551 | if (!n && want) n = -1; | |
d1105ba7 | 552 | else if (n > want) n = want; |
f0e437bc MW |
553 | |
554 | end: | |
555 | #ifdef DEBUG | |
c0bff521 | 556 | show_recovery_buffer_map(r, "done; return %zd", n); |
f0e437bc MW |
557 | #endif |
558 | return (n); | |
559 | } | |
560 | ||
dc53ebfa MW |
561 | static ssize_t recovery_read_multiple(struct recoverybuf *r, |
562 | secaddr pos, secaddr want) | |
563 | { | |
564 | ssize_t n; | |
565 | secaddr skip, want0 = want; | |
566 | ||
567 | while (want > r->sz) { | |
568 | skip = want - r->sz; | |
569 | n = recovery_read_buffer(r, pos + skip, r->sz); | |
570 | if (n < r->sz) return (skip + (n >= 0 ? n : 0)); | |
571 | want -= r->sz; | |
572 | } | |
573 | n = recovery_read_buffer(r, pos, want); | |
574 | if (n < 0 || n < want) return (n); | |
575 | return (want0); | |
576 | } | |
577 | ||
578 | static ssize_t recovery_read(struct recoverybuf *r, | |
579 | secaddr pos, secaddr want) | |
580 | { | |
581 | secaddr lo = pos, hi = pos + want, span; | |
582 | ssize_t n; | |
583 | ||
584 | if (hi < r->good_lo || lo > r->good_hi) { | |
585 | n = recovery_read_multiple(r, lo, hi - lo); | |
586 | if (n > 0) { r->good_lo = lo; r->good_hi = lo + n; } | |
587 | return (n); | |
588 | } | |
589 | ||
590 | if (hi > r->good_hi) { | |
591 | span = hi - r->good_hi; | |
592 | n = recovery_read_multiple(r, r->good_hi, span); | |
593 | if (n > 0) r->good_hi += n; | |
594 | if (n < 0 || n < span) return (r->good_hi - lo); | |
595 | } | |
596 | ||
597 | if (lo < r->good_lo) { | |
598 | span = r->good_lo - lo; | |
599 | n = recovery_read_multiple(r, lo, span); | |
600 | if (n == span) r->good_lo = lo; | |
601 | else return (n); | |
602 | } | |
603 | ||
604 | n = r->good_hi - pos; if (n > want) n = want; | |
605 | if (!n) { errno = EIO; n = -1; } | |
606 | return (n); | |
607 | } | |
608 | ||
609 | static double clear_factor = 1.5; | |
610 | static secaddr clear_min = 1, clear_max = SECLIMIT; | |
611 | static double step_factor = 2.0; | |
612 | static secaddr step_min = 1, step_max = 0; | |
613 | ||
614 | static secaddr run_length_wanted(secaddr pos, secaddr badlen, secaddr end) | |
f0e437bc MW |
615 | { |
616 | secaddr want; | |
617 | ||
dc53ebfa MW |
618 | want = clear_factor*badlen; |
619 | if (want < clear_min) want = clear_min; | |
f0e437bc | 620 | if (want > end - pos) want = end - pos; |
dc53ebfa | 621 | if (clear_max && want > clear_max) want = clear_max; |
f0e437bc MW |
622 | return (want); |
623 | } | |
624 | ||
dc53ebfa MW |
625 | static void report_bad_blocks_progress(secaddr bad_hi, int err) |
626 | { bad_err = err; report_progress(bad_hi); } | |
627 | ||
654a81af MW |
628 | static ssize_t find_good_sector(secaddr *pos_inout, secaddr end, |
629 | unsigned char *buf, secaddr sz) | |
630 | { | |
f0e437bc MW |
631 | secaddr pos = *pos_inout, bad_lo, bad_hi, good, step, want; |
632 | struct recoverybuf r; | |
654a81af MW |
633 | ssize_t n; |
634 | ||
dc53ebfa MW |
635 | bad_start = pos; bad_err = errno; |
636 | badblock_progress.render = render_badblock_progress; | |
637 | progress_additem(&progress, &badblock_progress); | |
638 | ||
f0e437bc | 639 | r.buf = buf; r.sz = sz; r.pos = r.start = r.end = 0; |
dc53ebfa | 640 | r.good_lo = r.good_hi = 0; |
f0e437bc MW |
641 | |
642 | want = sz; if (want > end - pos) want = end - pos; | |
dc53ebfa MW |
643 | for (retry = 0; retry < max_retries; retry++) { |
644 | report_bad_blocks_progress(pos, errno); | |
f0e437bc MW |
645 | n = recovery_read(&r, pos, want); |
646 | #ifdef DEBUG | |
dc53ebfa | 647 | progress_clear(&progress); |
c0bff521 | 648 | printf(";; [retry] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
649 | pos, pos + want, n); |
650 | #endif | |
654a81af | 651 | if (n > 0) { |
dc53ebfa | 652 | progress_clear(&progress); |
654a81af | 653 | moan("sector %"PRIuSEC" read ok after retry", pos); |
dc53ebfa MW |
654 | progress_removeitem(&progress, &badblock_progress); |
655 | progress_update(&progress); | |
2ac5af03 | 656 | return (n); |
654a81af MW |
657 | } |
658 | } | |
659 | ||
f0e437bc | 660 | bad_lo = pos; bad_hi = pos + 1; |
654a81af | 661 | for (;;) { |
dc53ebfa | 662 | report_bad_blocks_progress(bad_hi, errno); |
ed689e74 | 663 | #ifdef DEBUG |
dc53ebfa | 664 | progress_clear(&progress); |
ed689e74 MW |
665 | printf(";; bounding bad-block region: " |
666 | "%"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC"\n", | |
667 | bad_lo, bad_hi - bad_lo, bad_hi); | |
668 | #endif | |
654a81af | 669 | if (bad_hi >= end) { |
dc53ebfa | 670 | progress_clear(&progress); |
654a81af | 671 | moan("giving up on this extent"); |
dc53ebfa MW |
672 | recovered(bad_lo, end); *pos_inout = end; |
673 | return (0); | |
654a81af | 674 | } |
88693140 | 675 | step = (step_factor - 1)*(bad_hi - bad_lo); |
dc53ebfa MW |
676 | if (step < step_min) step = step_min; |
677 | if (step_max && step > step_max) step = step_max; | |
88693140 MW |
678 | if (step > end - bad_hi) step = end - bad_hi; |
679 | pos = bad_hi + step - 1; | |
dc53ebfa | 680 | want = run_length_wanted(pos, step, end); |
f0e437bc MW |
681 | n = recovery_read(&r, pos, want); |
682 | #ifdef DEBUG | |
c0bff521 | 683 | printf(";; [bound] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
684 | pos, pos + want, n); |
685 | #endif | |
686 | if (n == want) break; | |
687 | if (n < 0) n = 0; | |
688 | bad_hi = pos + n + 1; | |
654a81af MW |
689 | } |
690 | ||
691 | good = pos; | |
692 | while (good > bad_hi) { | |
dc53ebfa | 693 | report_bad_blocks_progress(bad_hi, errno); |
ed689e74 | 694 | #ifdef DEBUG |
dc53ebfa | 695 | progress_clear(&progress); |
ed689e74 MW |
696 | printf(";; limiting bad-block region: " |
697 | "%"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC"\n", | |
698 | bad_lo, bad_hi - bad_lo, bad_hi, good - bad_hi, good); | |
699 | #endif | |
654a81af | 700 | pos = bad_hi + (good - bad_hi)/2; |
f0e437bc | 701 | step = pos - bad_lo; |
dc53ebfa | 702 | want = run_length_wanted(pos, step, end); |
f0e437bc MW |
703 | n = recovery_read(&r, pos, want); |
704 | #ifdef DEBUG | |
c0bff521 | 705 | printf(";; [limit] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
706 | pos, pos + want, n); |
707 | #endif | |
708 | if (n < 0) n = 0; | |
709 | if (n == want) good = pos; | |
710 | else bad_hi = pos + n + 1; | |
654a81af | 711 | } |
74f78bd7 MW |
712 | recovered(bad_lo, bad_hi); *pos_inout = bad_hi; |
713 | if (bad_hi < r.pos + r.start || r.pos + r.end <= bad_hi) | |
f0e437bc | 714 | n = 0; |
a8625592 | 715 | else { |
74f78bd7 MW |
716 | n = r.pos + r.end - bad_hi; |
717 | rearrange_sectors(&r, 0, bad_hi - r.pos, n); | |
a8625592 | 718 | } |
9dd5dba0 MW |
719 | #ifdef DEBUG |
720 | show_recovery_buffer_map(&r, "returning %zd good sectors at %"PRIuSEC"", | |
74f78bd7 | 721 | n, bad_hi); |
9dd5dba0 | 722 | #endif |
654a81af MW |
723 | return (n); |
724 | } | |
725 | ||
9ac85bf5 | 726 | static void emit(secaddr start, secaddr end) |
7fbe0fb9 MW |
727 | { |
728 | #define BUFSECTORS 512 | |
729 | ||
e98a0749 | 730 | int least; |
7fbe0fb9 | 731 | unsigned char buf[BUFSECTORS*SECTORSZ]; |
788fe88a | 732 | secaddr pos; |
7fbe0fb9 MW |
733 | size_t want; |
734 | ssize_t n; | |
735 | static int first_time = 1; | |
736 | #ifdef DEBUG | |
737 | struct file *f; | |
738 | char fn[MAXFNSZ]; | |
739 | int act = -1; | |
e98a0749 | 740 | int i; |
7fbe0fb9 MW |
741 | #endif |
742 | ||
743 | least = least_live(); | |
744 | ||
745 | #ifdef DEBUG | |
788fe88a | 746 | printf(";; %8"PRIuSEC" .. %"PRIuSEC"\n", start, end); |
7fbe0fb9 MW |
747 | |
748 | for (i = 0; i < filetab.n; i++) { | |
749 | if (!livep(i)) continue; | |
750 | if (act == -1) act = i; | |
751 | f = &filetab.v[i]; store_filename(fn, f->id); | |
788fe88a | 752 | printf(";;\t\t%8"PRIuSEC" .. %-8"PRIuSEC" %s\n", |
7fbe0fb9 MW |
753 | start - f->start, end - f->start, fn); |
754 | } | |
755 | if (act == -1) printf(";;\t\t#<no live source>\n"); | |
756 | assert(act == least); | |
757 | #endif | |
758 | ||
759 | if (least == -1) | |
5cc1b8be | 760 | { file = 0; vob = 0; } |
7fbe0fb9 | 761 | else { |
5cc1b8be MW |
762 | file = &filetab.v[least]; |
763 | switch (id_kind(file->id)) { | |
7fbe0fb9 | 764 | case RAW: |
5cc1b8be | 765 | vob = 0; |
7fbe0fb9 MW |
766 | break; |
767 | case VOB: | |
dc53ebfa | 768 | if (first_time) { progress_clear(&progress); first_time = 0; } |
5cc1b8be MW |
769 | vob = DVDOpenFile(dvd, id_title(file->id), |
770 | id_part(file->id) | |
771 | ? DVD_READ_TITLE_VOBS | |
772 | : DVD_READ_MENU_VOBS); | |
773 | if (!vob) | |
7fbe0fb9 | 774 | bail("failed to open %s %u", |
5cc1b8be MW |
775 | id_part(file->id) ? "title" : "menu", |
776 | id_title(file->id)); | |
dc53ebfa | 777 | progress_update(&progress); |
7fbe0fb9 MW |
778 | break; |
779 | default: | |
780 | abort(); | |
781 | } | |
782 | } | |
783 | ||
dc53ebfa MW |
784 | if (file && id_kind(file->id) != RAW) { |
785 | file_progress.render = render_file_progress; | |
786 | progress_additem(&progress, &file_progress); | |
787 | } | |
788 | ||
7fbe0fb9 MW |
789 | pos = start; |
790 | while (pos < end) { | |
791 | want = end - pos; if (want > BUFSECTORS) want = BUFSECTORS; | |
5cc1b8be | 792 | n = read_sectors(pos, buf, want); |
7fbe0fb9 | 793 | |
654a81af | 794 | if (n <= 0) n = find_good_sector(&pos, end, buf, BUFSECTORS); |
7fbe0fb9 | 795 | if (n > 0) { carefully_write(outfd, buf, n*SECTORSZ); pos += n; } |
dc53ebfa | 796 | report_progress(pos); |
7fbe0fb9 MW |
797 | } |
798 | ||
5cc1b8be | 799 | if (vob) { DVDCloseFile(vob); vob = 0; } |
7fbe0fb9 | 800 | |
dc53ebfa MW |
801 | if (file && id_kind(file->id) != RAW) |
802 | progress_removeitem(&progress, &file_progress); | |
803 | progress_update(&progress); | |
7fbe0fb9 | 804 | |
dc53ebfa | 805 | #undef BUFSECTORS |
7fbe0fb9 | 806 | } |
7fbe0fb9 | 807 | |
87a145d2 MW |
808 | #define PRF_HYPHEN 1u |
809 | static int parse_range(const char *p, unsigned f, | |
810 | secaddr *start_out, secaddr *end_out) | |
811 | { | |
812 | char *q; | |
813 | int err, rc; | |
814 | unsigned long start, end; | |
815 | ||
816 | err = errno; | |
817 | ||
818 | if (ISDIGIT(*p)) { | |
819 | start = strtoul(p, &q, 0); | |
820 | if (errno || start >= SECLIMIT) { rc = -1; goto end; } | |
821 | *start_out = start; p = q; | |
822 | } else if (!(f&PRF_HYPHEN)) | |
823 | { rc = -1; goto end; } | |
824 | else | |
825 | start = 0; | |
826 | ||
827 | if (f&PRF_HYPHEN) { | |
828 | if (*p != '-') { rc = -1; goto end; } | |
829 | p++; | |
830 | } else { | |
831 | if (!ISSPACE(*p)) { rc = -1; goto end; } | |
832 | do p++; while (ISSPACE(*p)); | |
833 | } | |
834 | ||
835 | if (ISDIGIT(*p)) { | |
836 | end = strtoul(p, &q, 0); | |
837 | if (errno || end > SECLIMIT || end < start) { rc = -1; goto end; } | |
838 | *end_out = end; p = q; | |
839 | } else if (!(f&PRF_HYPHEN)) | |
840 | { rc = -1; goto end; } | |
841 | ||
842 | if (!(f&PRF_HYPHEN)) while (ISSPACE(*p)) p++; | |
794f3f9f | 843 | if (*p && ((f&PRF_HYPHEN) || *p != '#')) { rc = -1; goto end; } |
87a145d2 MW |
844 | |
845 | rc = 0; | |
846 | end: | |
847 | errno = err; | |
848 | return (rc); | |
849 | } | |
850 | ||
d366dab7 MW |
851 | #ifdef DEBUG |
852 | static void dump_eventq(const char *what) | |
853 | { | |
854 | unsigned i; | |
855 | const struct event *ev; | |
856 | char fn[MAXFNSZ]; | |
857 | ||
858 | printf("\n;; event dump (%s):\n", what); | |
859 | for (i = 0; i < eventq.n; i++) { | |
860 | ev = &eventq.v[i]; | |
861 | switch (ev->ev) { | |
862 | case EV_BEGIN: | |
863 | store_filename(fn, filetab.v[ev->file].id); | |
864 | printf(";; %8"PRIuSEC": begin %s\n", ev->pos, fn); | |
865 | break; | |
866 | case EV_END: | |
867 | store_filename(fn, filetab.v[ev->file].id); | |
868 | printf(";; %8"PRIuSEC": end %s\n", ev->pos, fn); | |
869 | break; | |
870 | case EV_WRITE: | |
871 | printf(";; %8"PRIuSEC": write\n", ev->pos); | |
872 | break; | |
873 | case EV_STOP: | |
874 | printf(";; %8"PRIuSEC": stop\n", ev->pos); | |
875 | break; | |
876 | default: | |
877 | printf(";; %8"PRIuSEC": ?%u\n", ev->pos, ev->ev); | |
878 | break; | |
879 | } | |
880 | } | |
881 | } | |
882 | #endif | |
883 | ||
7fbe0fb9 MW |
884 | int main(int argc, char *argv[]) |
885 | { | |
886 | unsigned f = 0; | |
dc53ebfa | 887 | const char *p; |
4bd4876f | 888 | off_t volsz; |
788fe88a | 889 | secaddr pos; |
7fbe0fb9 | 890 | off_t off; |
d79c7c9a | 891 | secaddr start, end, last; |
7fbe0fb9 | 892 | const struct event *ev; |
69f3ec37 | 893 | const char *device, *outfile; |
513eba44 | 894 | struct badblock *bad; |
9ac85bf5 | 895 | int opt, blksz; |
7fbe0fb9 MW |
896 | size_t i; |
897 | FILE *fp; | |
898 | struct buf buf = BUF_INIT; | |
dc53ebfa MW |
899 | struct timeval tv0, tv1; |
900 | double t, rate, tot; | |
901 | const char *rateunit, *totunit; | |
d6845ac3 MW |
902 | char timebuf[TIMESTRMAX], id_in[MAXIDSZ], id_out[MAXIDSZ]; |
903 | dvd_reader_t *dvd_out; | |
7fbe0fb9 MW |
904 | #ifdef DEBUG |
905 | const struct file *file; | |
906 | char fn[MAXFNSZ]; | |
907 | #endif | |
908 | ||
909 | #define f_bogus 1u | |
910 | #define f_continue 2u | |
911 | #define f_fixup 4u | |
dc53ebfa | 912 | #define f_stats 8u |
d6845ac3 | 913 | #define f_checkid 16u |
7fbe0fb9 MW |
914 | #define f_write 256u |
915 | ||
dc53ebfa | 916 | set_prog(argv[0]); |
7fbe0fb9 | 917 | for (;;) { |
d6845ac3 | 918 | opt = getopt(argc, argv, "hB:E:FR:X:b:cir:s"); if (opt < 0) break; |
7fbe0fb9 MW |
919 | switch (opt) { |
920 | case 'h': usage(stderr); exit(0); | |
dc53ebfa MW |
921 | case 'B': |
922 | p = optarg; | |
923 | #define SKIP_PREFIX(s) \ | |
924 | (STRNCMP(p, ==, s "=", sizeof(s)) && (p += sizeof(s), 1)) | |
925 | for (;;) { | |
926 | if (SKIP_PREFIX("cf")) | |
f82e4cd7 MW |
927 | clear_factor = parse_float(&p, PNF_JUNK, 0, DBL_MAX, |
928 | "clear factor"); | |
dc53ebfa | 929 | else if (SKIP_PREFIX("cmin")) |
f82e4cd7 MW |
930 | clear_min = parse_int(&p, PNF_JUNK, 1, SECLIMIT, |
931 | "clear minimum"); | |
dc53ebfa | 932 | else if (SKIP_PREFIX("cmax")) |
f82e4cd7 MW |
933 | clear_max = parse_int(&p, PNF_JUNK, 1, SECLIMIT, |
934 | "clear maximum"); | |
dc53ebfa | 935 | else if (SKIP_PREFIX("sf")) |
f82e4cd7 MW |
936 | step_factor = parse_float(&p, PNF_JUNK, 0, DBL_MAX, |
937 | "step factor"); | |
dc53ebfa | 938 | else if (SKIP_PREFIX("smin")) |
f82e4cd7 MW |
939 | step_min = parse_int(&p, PNF_JUNK, 1, SECLIMIT - 1, |
940 | "step minimum"); | |
dc53ebfa | 941 | else if (SKIP_PREFIX("smax")) |
f82e4cd7 MW |
942 | step_max = parse_int(&p, PNF_JUNK, 1, SECLIMIT - 1, |
943 | "step maximum"); | |
dc53ebfa | 944 | else if (SKIP_PREFIX("retry")) |
f82e4cd7 | 945 | max_retries = parse_int(&p, PNF_JUNK, 0, INT_MAX, "retries"); |
c1d37fc8 | 946 | else if (SKIP_PREFIX("alpha")) |
f82e4cd7 | 947 | alpha = parse_float(&p, PNF_JUNK, 0, 1, "average decay factor"); |
dc53ebfa | 948 | else if (SKIP_PREFIX("_badwait")) |
f82e4cd7 MW |
949 | bad_block_delay = parse_float(&p, PNF_JUNK, 0, DBL_MAX, |
950 | "bad-block delay"); | |
dc53ebfa | 951 | else if (SKIP_PREFIX("_blkwait")) |
f82e4cd7 MW |
952 | good_block_delay = parse_float(&p, PNF_JUNK, 0, DBL_MAX, |
953 | "good block delay"); | |
dc53ebfa MW |
954 | else |
955 | bail("unknown bad blocks parameter `%s'", p); | |
956 | if (!*p) break; | |
957 | else if (*p != ',') bail("unexpected junk in parameters"); | |
958 | p++; | |
959 | } | |
960 | #undef SKIP_PREFIX | |
961 | break; | |
af3973a1 | 962 | case 'E': errfile = optarg; break; |
7fbe0fb9 MW |
963 | case 'F': f |= f_fixup; break; |
964 | case 'R': | |
965 | fp = fopen(optarg, "r"); | |
966 | if (!fp) | |
967 | bail_syserr(errno, "failed to open ranges file `%s'", optarg); | |
d79c7c9a | 968 | i = 0; last = -1; |
7fbe0fb9 | 969 | for (;;) { |
c62cd11a | 970 | buf_rewind(&buf); if (read_line(fp, &buf)) break; |
7fbe0fb9 MW |
971 | p = buf.p; i++; |
972 | while (ISSPACE(*p)) p++; | |
973 | if (!*p || *p == '#') continue; | |
87a145d2 MW |
974 | if (parse_range(p, 0, &start, &end) || |
975 | (last <= SECLIMIT && start < last)) | |
976 | bail("bad range `%s' at `%s' line %zu", buf.p, optarg, i); | |
7fbe0fb9 | 977 | if (start < end) { |
d79c7c9a MW |
978 | if (start == last) |
979 | eventq.v[eventq.n - 1].pos = end; | |
980 | else { | |
981 | put_event(EV_WRITE, 0, start); | |
982 | put_event(EV_STOP, 0, end); | |
983 | } | |
984 | last = end; | |
7fbe0fb9 MW |
985 | } |
986 | } | |
987 | if (ferror(fp)) | |
988 | bail_syserr(errno, "failed to read ranges file `%s'", optarg); | |
989 | break; | |
513eba44 MW |
990 | case 'X': |
991 | fp = fopen(optarg, "r"); | |
992 | if (!fp) | |
993 | bail_syserr(errno, "failed to open bad-blocks file `%s'", optarg); | |
994 | i = 0; last = -1; | |
995 | for (;;) { | |
c62cd11a | 996 | buf_rewind(&buf); if (read_line(fp, &buf)) break; |
513eba44 MW |
997 | p = buf.p; i++; |
998 | while (ISSPACE(*p)) p++; | |
999 | if (!*p || *p == '#') continue; | |
1000 | if (parse_range(p, 0, &start, &end) || | |
1001 | (last <= SECLIMIT && start < last)) | |
1002 | bail("bad range `%s' at `%s' line %zu", buf.p, optarg, i); | |
1003 | if (start < end) | |
1004 | { VEC_PUSH(bad, &badblocks); bad->start = start; bad->end = end; } | |
1005 | } | |
1006 | if (ferror(fp)) | |
1007 | bail_syserr(errno, "failed to read bad-blocks file `%s'", optarg); | |
1008 | break; | |
7fbe0fb9 | 1009 | case 'b': |
5cc1b8be MW |
1010 | if (mapfile) bail("can't have multiple map files"); |
1011 | mapfile = optarg; | |
7fbe0fb9 MW |
1012 | break; |
1013 | case 'c': f |= f_continue; break; | |
040a38df | 1014 | case 'i': f |= f_checkid; break; |
7fbe0fb9 | 1015 | case 'r': |
87a145d2 MW |
1016 | start = 0; end = -1; |
1017 | if (parse_range(optarg, PRF_HYPHEN, &start, &end)) | |
1018 | bail("bad range `%s'", optarg); | |
1019 | if (start < end) { | |
7fbe0fb9 | 1020 | put_event(EV_WRITE, 0, start); |
87a145d2 | 1021 | if (end <= SECLIMIT) put_event(EV_STOP, 0, end); |
7fbe0fb9 | 1022 | } |
7fbe0fb9 | 1023 | break; |
dc53ebfa | 1024 | case 's': f |= f_stats; break; |
7fbe0fb9 MW |
1025 | default: f |= f_bogus; break; |
1026 | } | |
1027 | } | |
69f3ec37 | 1028 | if (argc - optind != 2) f |= f_bogus; |
7fbe0fb9 MW |
1029 | if (f&f_bogus) { usage(stderr); exit(2); } |
1030 | ||
dc53ebfa MW |
1031 | setlocale(LC_ALL, ""); |
1032 | progress_init(&progress); | |
69f3ec37 MW |
1033 | device = argv[optind]; outfile = argv[optind + 1]; |
1034 | ||
513eba44 MW |
1035 | if (badblocks.n) { |
1036 | qsort(badblocks.v, badblocks.n, sizeof(struct badblock), | |
1037 | compare_badblock); | |
1038 | #ifdef DEBUG | |
1039 | printf(";; fake bad blocks:\n"); | |
1040 | for (i = 0; i < badblocks.n; i++) | |
1041 | printf(";;\t%8"PRIuSEC" .. %"PRIuSEC"\n", | |
1042 | badblocks.v[i].start, badblocks.v[i].end); | |
1043 | #endif | |
1044 | } | |
1045 | ||
972381af | 1046 | open_dvd(device, O_RDONLY, &dvdfd, &dvd); |
7fbe0fb9 | 1047 | |
4bd4876f | 1048 | blksz = SECTORSZ; volsz = device_size(dvdfd, device, &blksz); |
7fbe0fb9 MW |
1049 | if (blksz != SECTORSZ) |
1050 | bail("device `%s' block size %d /= %d", device, blksz, SECTORSZ); | |
1051 | if (volsz%SECTORSZ) | |
1052 | bail("device `%s' volume size %"PRIu64" not a multiple of %d", | |
1053 | device, volsz, SECTORSZ); | |
1054 | ||
d6845ac3 | 1055 | if (f&f_checkid) { |
972381af | 1056 | open_dvd(outfile, O_RDONLY, 0, &dvd_out); |
d6845ac3 MW |
1057 | if (dvd_id(id_in, dvd, DIF_MUSTIFOHASH, device) || |
1058 | dvd_id(id_out, dvd_out, DIF_MUSTIFOHASH, device)) | |
1059 | exit(2); | |
1060 | if (STRCMP(id_in, !=, id_out)) | |
1061 | bail("DVD id mismatch: input `%s' is `%s'; output `%s' is `%s'", | |
1062 | device, id_in, outfile, id_out); | |
1063 | } | |
1064 | ||
dc53ebfa MW |
1065 | outfd = open(outfile, O_WRONLY | O_CREAT, 0666); |
1066 | if (outfd < 0) | |
1067 | bail_syserr(errno, "failed to create output file `%s'", outfile); | |
7fbe0fb9 MW |
1068 | |
1069 | if (f&f_continue) { | |
7fbe0fb9 MW |
1070 | off = lseek(outfd, 0, SEEK_END); |
1071 | if (off < 0) | |
1072 | bail_syserr(errno, "failed to seek to end of output file `%s'", | |
1073 | outfile); | |
1074 | put_event(EV_WRITE, 0, off/SECTORSZ); | |
1075 | } else if (!eventq.n && !(f&f_fixup)) | |
1076 | put_event(EV_WRITE, 0, 0); | |
1077 | ||
7fbe0fb9 | 1078 | /* It's fast enough just to check everything. */ |
5cc1b8be | 1079 | put_menu(dvd, 0); |
7fbe0fb9 | 1080 | for (i = 1; i < 100; i++) { |
5cc1b8be MW |
1081 | put_menu(dvd, i); |
1082 | put_title(dvd, i); | |
7fbe0fb9 MW |
1083 | } |
1084 | put_file(mkident(RAW, 0, 0), 0, volsz/SECTORSZ); | |
1085 | assert(filetab.n <= MAXFILES); | |
1086 | ||
5cc1b8be MW |
1087 | for (i = 0, limit = 0; i < filetab.n; i++) |
1088 | if (filetab.v[i].end > limit) limit = filetab.v[i].end; | |
7fbe0fb9 | 1089 | |
5cc1b8be | 1090 | if (end > limit) end = limit; |
7fbe0fb9 MW |
1091 | |
1092 | #ifdef DEBUG | |
1093 | printf("\n;; files:\n"); | |
1094 | for (i = 0; i < filetab.n; i++) { | |
1095 | file = &filetab.v[i]; | |
1096 | store_filename(fn, file->id); | |
50c72655 MW |
1097 | printf(";;\t%8"PRIuSEC" .. %-8"PRIuSEC" %s\n", |
1098 | file->start, file->end, fn); | |
7fbe0fb9 MW |
1099 | } |
1100 | #endif | |
1101 | ||
1102 | qsort(eventq.v, eventq.n, sizeof(struct event), compare_event); | |
1103 | ||
7763378f | 1104 | f &= ~f_write; start = 0; |
7fbe0fb9 MW |
1105 | for (i = 0; i < eventq.n; i++) { |
1106 | ev = &eventq.v[i]; | |
1107 | switch (ev->ev) { | |
1108 | case EV_WRITE: | |
1109 | if (f&f_write) | |
50232384 MW |
1110 | bail("overlapping ranges: range from %"PRIuSEC" " |
1111 | "still open at %"PRIuSEC"", | |
7fbe0fb9 | 1112 | start, ev->pos); |
7763378f | 1113 | f |= f_write; start = ev->pos; |
7fbe0fb9 MW |
1114 | break; |
1115 | case EV_STOP: | |
1116 | f &= ~f_write; | |
1117 | break; | |
1118 | } | |
1119 | } | |
1120 | ||
d366dab7 MW |
1121 | #ifdef DEBUG |
1122 | dump_eventq("initial"); | |
1123 | #endif | |
7fbe0fb9 MW |
1124 | f &= ~f_write; start = 0; |
1125 | for (i = 0; i < eventq.n; i++) { | |
1126 | ev = &eventq.v[i]; | |
41034102 | 1127 | if (ev->ev == EV_WRITE) { start = ev->pos; f |= f_write; } |
5cc1b8be | 1128 | if (ev->pos >= limit) break; |
41034102 | 1129 | if (ev->ev == EV_STOP) { nsectors += ev->pos - start; f &= ~f_write; } |
7fbe0fb9 MW |
1130 | if (f&f_fixup) start = ev->pos; |
1131 | } | |
1132 | eventq.n = i; | |
d366dab7 MW |
1133 | #ifdef DEBUG |
1134 | dump_eventq("trimmed"); | |
1135 | #endif | |
7fbe0fb9 MW |
1136 | if (f&f_fixup) { |
1137 | put_event(EV_WRITE, 0, start); | |
7763378f | 1138 | f |= f_write; |
7fbe0fb9 MW |
1139 | } |
1140 | if (f&f_write) { | |
5cc1b8be MW |
1141 | nsectors += limit - start; |
1142 | put_event(EV_STOP, 0, limit); | |
7fbe0fb9 | 1143 | } |
d366dab7 MW |
1144 | #ifdef DEBUG |
1145 | dump_eventq("final"); | |
1146 | #endif | |
dc53ebfa MW |
1147 | |
1148 | copy_progress.render = render_copy_progress; | |
1149 | progress_additem(&progress, ©_progress); | |
e0c3a82d MW |
1150 | if (nsectors == limit - start) |
1151 | { ndone = start; nsectors = limit; } | |
1152 | else { | |
dc53ebfa MW |
1153 | disc_progress.render = render_disc_progress; |
1154 | progress_additem(&progress, &disc_progress); | |
1155 | } | |
1156 | ||
1157 | if (f&f_stats) gettimeofday(&tv0, 0); | |
7fbe0fb9 MW |
1158 | |
1159 | #ifdef DEBUG | |
1160 | printf("\n;; event sweep:\n"); | |
1161 | #endif | |
dc53ebfa | 1162 | f &= ~f_write; |
7fbe0fb9 MW |
1163 | for (pos = 0, i = 0; i < eventq.n; i++) { |
1164 | ev = &eventq.v[i]; | |
1165 | if (ev->pos > pos) { | |
9ac85bf5 | 1166 | if (f&f_write) emit(pos, ev->pos); |
7fbe0fb9 MW |
1167 | pos = ev->pos; |
1168 | #ifdef DEBUG | |
dc53ebfa | 1169 | progress_clear(&progress); |
7fbe0fb9 MW |
1170 | printf(";;\n"); |
1171 | #endif | |
1172 | } | |
1173 | switch (ev->ev) { | |
1174 | case EV_BEGIN: | |
1175 | set_live(ev->file); | |
1176 | #ifdef DEBUG | |
1177 | store_filename(fn, filetab.v[ev->file].id); | |
dc53ebfa | 1178 | progress_clear(&progress); |
788fe88a | 1179 | printf(";; %8"PRIuSEC": begin `%s'\n", pos, fn); |
7fbe0fb9 MW |
1180 | #endif |
1181 | break; | |
1182 | case EV_WRITE: | |
5cc1b8be | 1183 | gettimeofday(&last_time, 0); last_pos = pos; |
69f3ec37 | 1184 | if (lseek(outfd, (off_t)ev->pos*SECTORSZ, SEEK_SET) < 0) |
7fbe0fb9 MW |
1185 | bail_syserr(errno, |
1186 | "failed to seek to resume position " | |
788fe88a | 1187 | "(sector %"PRIuSEC") in output file `%s'", |
7fbe0fb9 MW |
1188 | ev->pos, outfile); |
1189 | #ifdef DEBUG | |
dc53ebfa | 1190 | progress_clear(&progress); |
788fe88a | 1191 | printf(";; %8"PRIuSEC": begin write\n", pos); |
7fbe0fb9 MW |
1192 | #endif |
1193 | f |= f_write; | |
1194 | break; | |
1195 | case EV_STOP: | |
1196 | f &= ~f_write; | |
1197 | #ifdef DEBUG | |
dc53ebfa | 1198 | progress_clear(&progress); |
788fe88a | 1199 | printf(";; %8"PRIuSEC": end write\n", pos); |
7fbe0fb9 MW |
1200 | #endif |
1201 | break; | |
1202 | case EV_END: | |
1203 | clear_live(ev->file); | |
1204 | #ifdef DEBUG | |
1205 | store_filename(fn, filetab.v[ev->file].id); | |
dc53ebfa | 1206 | progress_clear(&progress); |
788fe88a | 1207 | printf(";; %8"PRIuSEC": end `%s'\n", pos, fn); |
7fbe0fb9 MW |
1208 | #endif |
1209 | break; | |
1210 | default: abort(); | |
1211 | } | |
1212 | } | |
1213 | ||
dc53ebfa | 1214 | progress_clear(&progress); |
7fbe0fb9 | 1215 | |
69f3ec37 | 1216 | if (ftruncate(outfd, (off_t)limit*SECTORSZ) < 0) |
7fbe0fb9 MW |
1217 | bail_syserr(errno, "failed to set output file `%s' length", outfile); |
1218 | ||
dc53ebfa MW |
1219 | if (f&f_stats) { |
1220 | gettimeofday(&tv1, 0); t = tvdiff(&tv0, &tv1); | |
627fa6be | 1221 | if (nsectors == limit) { ndone -= start; nsectors -= start; } |
dc53ebfa MW |
1222 | tot = scale_bytes((double)nsectors*SECTORSZ, &totunit); |
1223 | rate = scale_bytes((double)nsectors*SECTORSZ/t, &rateunit); | |
1224 | moan("all done: %.1f %sB in %s -- %.1f %sB/s", | |
1225 | tot, totunit, fmttime(t, timebuf), rate, rateunit); | |
1226 | } | |
1227 | ||
5cc1b8be MW |
1228 | if (dvd) DVDClose(dvd); |
1229 | if (dvdfd >= 0) close(dvdfd); | |
7fbe0fb9 | 1230 | if (outfd >= 0) close(outfd); |
813c2ce8 | 1231 | carefully_fclose(mapfp, "bad-sector region map"); |
af3973a1 | 1232 | carefully_fclose(errfp, "bad-sector error log"); |
dc53ebfa | 1233 | progress_free(&progress); |
7fbe0fb9 MW |
1234 | |
1235 | #undef f_bogus | |
1236 | #undef f_continue | |
1237 | #undef f_fixup | |
dc53ebfa | 1238 | #undef f_stats |
7fbe0fb9 MW |
1239 | #undef f_write |
1240 | ||
8da99a82 | 1241 | return (0); |
7fbe0fb9 | 1242 | } |