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 | ||
dc53ebfa MW |
11 | static double tvdiff(const struct timeval *tv_lo, |
12 | const struct timeval *tv_hi) | |
dae431c1 | 13 | { |
dc53ebfa MW |
14 | return ((tv_hi->tv_sec - tv_lo->tv_sec) + |
15 | (tv_hi->tv_usec - tv_lo->tv_usec)/1.0e6); | |
7fbe0fb9 MW |
16 | } |
17 | ||
72279434 MW |
18 | #define DEFVEC(vtype, etype) \ |
19 | typedef struct { etype *v; size_t n, sz; } vtype | |
20 | #define VEC_INIT { 0, 0, 0 } | |
21 | #define VEC_FREE(vv) do { \ | |
22 | free((vv)->v); (vv)->v 0; (vv)->n = (vv)->sz = 0; \ | |
23 | } while (0) | |
24 | #define VEC_PUSH(p, vv) do { \ | |
25 | size_t _want; \ | |
26 | if ((vv)->n >= (vv)->sz) { \ | |
27 | (vv)->sz = (vv)->sz ? 2*(vv)->sz : 32; \ | |
28 | _want = (vv)->sz*sizeof(*(vv)->v); \ | |
29 | (vv)->v = realloc((vv)->v, _want); \ | |
30 | if (!(vv)->v) bail("out of memory allocating %zu bytes", _want); \ | |
31 | } \ | |
32 | (p) = &(vv)->v[(vv)->n++]; \ | |
33 | } while (0) | |
34 | ||
7fbe0fb9 MW |
35 | #define MAXFILES (1 + 2*99 + 1) |
36 | struct file { | |
37 | ident id; | |
788fe88a | 38 | secaddr start, end; |
7fbe0fb9 MW |
39 | }; |
40 | DEFVEC(file_v, struct file); | |
41 | static file_v filetab = VEC_INIT; | |
42 | ||
d79ff9c5 | 43 | enum { EV_STOP, EV_BEGIN, EV_END, EV_WRITE }; |
7fbe0fb9 MW |
44 | struct event { |
45 | unsigned char ev, file; | |
788fe88a | 46 | secaddr pos; |
7fbe0fb9 MW |
47 | }; |
48 | DEFVEC(event_v, struct event); | |
49 | static event_v eventq = VEC_INIT; | |
50 | ||
72279434 MW |
51 | static int compare_event(const void *a, const void *b) |
52 | { | |
53 | const struct event *eva = a, *evb = b; | |
54 | ||
55 | if (eva->pos < evb->pos) return (-1); | |
56 | else if (eva->pos > evb->pos) return (+1); | |
57 | ||
58 | if (eva->ev < evb->ev) return (-1); | |
59 | else if (eva->ev > evb->ev) return (+1); | |
60 | ||
61 | if (eva->file < evb->file) return (-1); | |
62 | else if (eva->file > evb->file) return (+1); | |
63 | ||
64 | return (0); | |
65 | } | |
66 | ||
7fbe0fb9 MW |
67 | typedef uint_least32_t bits; |
68 | static bits live[(MAXFILES + 31)/32]; | |
69 | ||
70 | static inline int livep(unsigned i) | |
71 | { return (live[i/32]&((bits)1 << (i%32))); } | |
72 | static inline void set_live(unsigned i) | |
73 | { live[i/32] |= (bits)1 << (i%32); } | |
74 | static inline void clear_live(unsigned i) | |
75 | { live[i/32] &= ~((bits)1 << (i%32)); } | |
76 | static inline int least_live(void) | |
77 | { | |
78 | unsigned i, n = (filetab.n + 32)/32; | |
79 | bits b; | |
80 | ||
81 | for (i = 0; i < n; i++) { b = live[i]; if (b) goto found; } | |
82 | return (-1); | |
83 | found: | |
84 | i *= 32; | |
85 | if (!(b&0x0000ffff)) { b >>= 16; i += 16; } | |
86 | if (!(b&0x000000ff)) { b >>= 8; i += 8; } | |
87 | if (!(b&0x0000000f)) { b >>= 4; i += 4; } | |
88 | if (!(b&0x00000003)) { b >>= 2; i += 2; } | |
89 | if (!(b&0x00000001)) { b >>= 1; i += 1; } | |
90 | assert(b&1); | |
91 | return (i); | |
92 | } | |
93 | ||
788fe88a | 94 | static void put_event(unsigned evtype, unsigned file, secaddr pos) |
7fbe0fb9 MW |
95 | { |
96 | struct event *ev; | |
97 | ||
98 | VEC_PUSH(ev, &eventq); | |
99 | ev->ev = evtype; ev->file = file; ev->pos = pos; | |
100 | } | |
101 | ||
788fe88a | 102 | static void put_file(ident id, secaddr start, secaddr end) |
7fbe0fb9 MW |
103 | { |
104 | struct file *f; | |
105 | size_t i; | |
106 | ||
107 | VEC_PUSH(f, &filetab); i = f - filetab.v; | |
108 | f->id = id; f->start = start; f->end = end; | |
109 | put_event(EV_BEGIN, i, start); | |
110 | put_event(EV_END, i, end); | |
111 | } | |
112 | ||
113 | static void put_menu(dvd_reader_t *dvd, unsigned title) | |
114 | { | |
115 | ident id = mkident(VOB, title, 0); | |
116 | char fn[MAXFNSZ]; | |
788fe88a | 117 | secaddr start, len; |
7fbe0fb9 MW |
118 | |
119 | store_filename(fn, id); | |
120 | start = UDFFindFile(dvd, fn, &len); if (!start) return; | |
121 | #ifdef DEBUG | |
788fe88a | 122 | printf(";; %8"PRIuSEC" .. %-8"PRIuSEC": %s\n", |
7fbe0fb9 MW |
123 | start, start + SECTORS(len), fn); |
124 | #endif | |
125 | put_file(id, start, start + SECTORS(len)); | |
126 | } | |
127 | ||
128 | static void put_title(dvd_reader_t *dvd, unsigned title) | |
129 | { | |
130 | char fn[MAXFNSZ]; | |
788fe88a | 131 | secaddr start[9], len[9]; |
7fbe0fb9 MW |
132 | unsigned i, npart; |
133 | ||
134 | for (i = 0; i < 9; i++) { | |
135 | store_filename(fn, mkident(VOB, title, i + 1)); | |
136 | start[i] = UDFFindFile(dvd, fn, &len[i]); if (!start[i]) break; | |
137 | } | |
138 | npart = i; if (!npart) return; | |
139 | ||
140 | #ifdef DEBUG | |
141 | for (i = 0; i < npart; i++) { | |
142 | store_filename(fn, mkident(VOB, title, i + 1)); | |
788fe88a | 143 | printf(";; %8"PRIuSEC" .. %-8"PRIuSEC": %s\n", |
7fbe0fb9 MW |
144 | start[i], start[i] + SECTORS(len[i]), fn); |
145 | } | |
146 | #endif | |
147 | ||
148 | if (npart > 1) | |
149 | for (i = 0; i < npart - 1; i++) { | |
150 | if (len[i]%SECTORSZ) | |
788fe88a | 151 | bail("title %u part %u length = %"PRIuSEC" not a multiple of %d", |
7fbe0fb9 MW |
152 | title, i, len[i], SECTORSZ); |
153 | if (start[i] + len[i]/SECTORSZ != start[i + 1]) | |
788fe88a MW |
154 | bail |
155 | ("title %u part %u end = %"PRIuSEC" /= part %u start = %"PRIuSEC"", | |
156 | title, i, start[i] + len[i]/SECTORSZ, i + 1, start[i + 1]); | |
7fbe0fb9 MW |
157 | } |
158 | ||
159 | put_file(mkident(VOB, title, 1), | |
160 | start[0], start[npart - 1] + SECTORS(len[npart - 1])); | |
161 | } | |
162 | ||
dc53ebfa MW |
163 | static secaddr last_pos, limit, nsectors, ndone; |
164 | static struct timeval last_time; | |
165 | static double wsum, wcount; | |
166 | static struct file *file; | |
167 | static secaddr bad_start; | |
168 | static unsigned retry, max_retries = 4; | |
169 | static int bad_err; | |
170 | ||
171 | static const char throbber[] = "|<-<|>->"; | |
172 | static unsigned throbix = 0; | |
7fbe0fb9 | 173 | |
dc53ebfa | 174 | static double scale_bytes(double n, const char **unit_out) |
12db0342 | 175 | { |
dc53ebfa MW |
176 | const char *unit = ""; |
177 | ||
178 | if (n > 1600) { n /= 1024; unit = "k"; } | |
179 | if (n > 1600) { n /= 1024; unit = "M"; } | |
180 | if (n > 1600) { n /= 1024; unit = "G"; } | |
181 | if (n > 1600) { n /= 1024; unit = "T"; } | |
182 | ||
183 | *unit_out = unit; return (n); | |
12db0342 | 184 | } |
dc53ebfa MW |
185 | |
186 | static struct progress_item | |
187 | copy_progress, disc_progress, | |
188 | file_progress, badblock_progress; | |
189 | ||
190 | #define TIMESTRMAX 16 | |
191 | static char *fmttime(unsigned long t, char *buf) | |
7fbe0fb9 | 192 | { |
dc53ebfa MW |
193 | if (t < 60) sprintf(buf, "%ld s", t); |
194 | else if (t < 3600) sprintf(buf, "%ld:%02ld", t/60, t%60); | |
195 | else sprintf(buf, "%ld:%02ld:%02ld", t/3600, (t/60)%60, t%60); | |
196 | return (buf); | |
197 | } | |
7fbe0fb9 | 198 | |
dc53ebfa MW |
199 | static void render_perfstats(struct progress_render_state *render) |
200 | { | |
201 | int eta; | |
202 | char timebuf[TIMESTRMAX]; | |
203 | double rate; | |
204 | const char *unit; | |
205 | ||
206 | if (!wsum || !wcount) { rate = 0; eta = -1; } | |
207 | else { rate = wsum/wcount; eta = (int)((nsectors - ndone)/rate + 0.5); } | |
208 | ||
209 | rate = scale_bytes(rate*SECTORSZ, &unit); | |
210 | progress_putright(render, "ETA %s ", rate ? fmttime(eta, timebuf) : "???"); | |
211 | progress_putright(render, "%.1f %sB/s, ", rate, unit); | |
7fbe0fb9 | 212 | } |
dc53ebfa MW |
213 | |
214 | static void render_copy_progress(struct progress_item *item, | |
215 | struct progress_render_state *render) | |
7fbe0fb9 | 216 | { |
dc53ebfa | 217 | double frac = (double)ndone/nsectors; |
7fbe0fb9 | 218 | |
dc53ebfa MW |
219 | progress_putleft(render, " %c copied %.1f%%", |
220 | throbber[throbix], 100.0*frac); | |
221 | render_perfstats(render); | |
222 | progress_putleft(render, " (%"PRIuSEC" of %"PRIuSEC")", ndone, nsectors); | |
223 | ||
224 | progress_showbar(render, frac); | |
7fbe0fb9 MW |
225 | } |
226 | ||
dc53ebfa MW |
227 | static void render_disc_progress(struct progress_item *item, |
228 | struct progress_render_state *render) | |
229 | { | |
230 | double frac = (double)last_pos/limit; | |
5cc1b8be | 231 | |
dc53ebfa MW |
232 | progress_putleft(render, " disc %.1f%% (%"PRIuSEC" of %"PRIuSEC")", |
233 | 100.0*frac, last_pos, limit); | |
234 | progress_showbar(render, frac); | |
235 | } | |
a090d4b3 | 236 | |
dc53ebfa MW |
237 | static void render_file_progress(struct progress_item *item, |
238 | struct progress_render_state *render) | |
239 | { | |
240 | secaddr off = last_pos - file->start, len = file->end - file->start; | |
241 | char fn[MAXFNSZ]; | |
242 | double frac; | |
243 | ||
244 | store_filename(fn, file->id); | |
245 | frac = (double)off/len; | |
246 | progress_putleft(render, " `%s' %.1f%% (%"PRIuSEC" of %"PRIuSEC")", | |
247 | fn, 100.0*frac, off, len); | |
248 | progress_showbar(render, frac); | |
249 | } | |
250 | ||
251 | static void render_badblock_progress(struct progress_item *item, | |
252 | struct progress_render_state *render) | |
253 | { | |
254 | secaddr n = last_pos - bad_start; | |
255 | int bg; | |
256 | ||
257 | if (!n) { | |
258 | progress_putleft(render, " Retrying bad sector %"PRIuSEC"", bad_start); | |
259 | progress_putright(render, "attempt %u/%u ", retry + 1, max_retries); | |
260 | bg = 4; | |
261 | } else { | |
262 | progress_putleft(render, " Found %"PRIuSEC" bad %s", | |
263 | n, n == 1 ? "sector" : "sectors"); | |
264 | progress_putright(render, "%"PRIuSEC" .. %"PRIuSEC" ", | |
265 | bad_start, last_pos); | |
266 | bg = 1; | |
267 | } | |
268 | if (bad_err && bad_err != EIO) | |
269 | progress_putleft(render, " (%s)", strerror(bad_err)); | |
270 | progress_shownotice(render, bg, 7); | |
271 | } | |
272 | ||
c1d37fc8 MW |
273 | static double alpha = 0.1; |
274 | ||
dc53ebfa | 275 | static void update_progress(secaddr pos) |
7fbe0fb9 | 276 | { |
7fbe0fb9 | 277 | struct timeval now; |
dc53ebfa MW |
278 | double t, f, g; |
279 | ||
280 | gettimeofday(&now, 0); | |
281 | t = tvdiff(&last_time, &now); | |
7fbe0fb9 | 282 | |
c1d37fc8 | 283 | #define BETA (1 - alpha) |
7fbe0fb9 | 284 | |
7fbe0fb9 | 285 | if (t) { |
5cc1b8be MW |
286 | g = wcount ? pow(BETA, t) : 0.0; f = (1 - g)/(1 - BETA); |
287 | wsum = f*(pos - last_pos)/t + g*wsum; | |
288 | wcount = f + g*wcount; | |
289 | ndone += pos - last_pos; | |
290 | last_time = now; last_pos = pos; | |
7fbe0fb9 MW |
291 | } |
292 | ||
7fbe0fb9 | 293 | #undef BETA |
dc53ebfa MW |
294 | |
295 | throbix++; if (!throbber[throbix]) throbix = 0; | |
7fbe0fb9 MW |
296 | } |
297 | ||
dc53ebfa MW |
298 | static void report_progress(secaddr pos) |
299 | { update_progress(pos); progress_update(&progress); } | |
300 | ||
eb061ad9 | 301 | static dvd_reader_t *dvd; |
9ac85bf5 | 302 | static int dvdfd = -1, outfd = -1; |
eb061ad9 MW |
303 | static dvd_file_t *vob; |
304 | static const char *mapfile; static FILE *mapfp; | |
af3973a1 | 305 | static const char *errfile; static FILE *errfp; |
eb061ad9 | 306 | |
513eba44 MW |
307 | struct badblock { secaddr start, end; }; |
308 | DEFVEC(badblock_v, struct badblock); | |
309 | static badblock_v badblocks = VEC_INIT; | |
310 | ||
311 | static int compare_badblock(const void *a, const void *b) | |
312 | { | |
313 | const struct badblock *ba = a, *bb = b; | |
314 | ||
315 | if (ba->start < bb->start) return (-1); | |
316 | else if (ba->start > bb->start) return (+1); | |
317 | ||
318 | if (ba->end < bb->end) return (-1); | |
319 | else if (ba->end > bb->end) return (+1); | |
320 | ||
321 | return (0); | |
322 | } | |
323 | ||
dc53ebfa MW |
324 | static double bad_block_delay = 0.0; |
325 | static double good_block_delay = 0.0; | |
326 | ||
5cc1b8be | 327 | static ssize_t read_sectors(secaddr pos, void *buf, secaddr want) |
7fbe0fb9 | 328 | { |
0f0ba33f | 329 | ssize_t n, done; |
513eba44 | 330 | size_t lo, mid, hi; |
0f0ba33f | 331 | int fakeerr = 0; |
513eba44 | 332 | struct badblock *bad, *best; |
0f0ba33f | 333 | unsigned char *p = buf; |
513eba44 | 334 | |
6e7426fe MW |
335 | if (badblocks.n) { |
336 | best = 0; lo = 0; hi = badblocks.n; | |
513eba44 | 337 | #ifdef DEBUG |
dc53ebfa | 338 | progress_clear(); |
6e7426fe MW |
339 | printf(";; searching badblocks for %"PRIuSEC" .. %"PRIuSEC"\n", |
340 | pos, pos + want); | |
513eba44 | 341 | #endif |
6e7426fe MW |
342 | while (lo < hi) { |
343 | mid = lo + (hi - lo)/2; bad = &badblocks.v[mid]; | |
513eba44 | 344 | #ifdef DEBUG |
6e7426fe MW |
345 | printf(";; try %zu (%"PRIuSEC" .. %"PRIuSEC")... ", |
346 | mid, bad->start, bad->end); | |
513eba44 | 347 | #endif |
6e7426fe MW |
348 | if (pos < bad->start) { D( printf("high\n"); ) best = bad; hi = mid; } |
349 | else if (pos >= bad->end) { D( printf("low\n"); ) lo = mid + 1; } | |
350 | else { D( printf("match!\n"); ) errno = EIO; return (-1); } | |
351 | } | |
513eba44 | 352 | #ifdef DEBUG |
6e7426fe MW |
353 | if (best) |
354 | printf(";; next is %"PRIuSEC" .. %"PRIuSEC"\n", | |
355 | best->start, best->end); | |
513eba44 | 356 | #endif |
6e7426fe | 357 | if (best && pos + want > best->start) |
dc53ebfa | 358 | { want = best->start - pos; fakeerr = EIO; sit(bad_block_delay); } |
6e7426fe | 359 | } |
0f0ba33f MW |
360 | done = 0; |
361 | while (want) { | |
362 | if (vob) | |
363 | { errno = 0; n = DVDReadBlocks(vob, pos - file->start, want, p); } | |
364 | else if (file) { | |
365 | if (lseek(dvdfd, (off_t)pos*SECTORSZ, SEEK_SET) < 0) | |
366 | bail_syserr(errno, "failed to seek to sector %"PRIuSEC"", pos); | |
367 | errno = 0; n = read(dvdfd, p, want*SECTORSZ); | |
368 | if (n >= 0) n /= SECTORSZ; | |
369 | } else { | |
370 | memset(p, 0, want*SECTORSZ); | |
371 | n = want; | |
372 | } | |
7fbe0fb9 | 373 | |
0f0ba33f | 374 | if (n > 0) { done += n; pos += n; p += n*SECTORSZ; want -= n; } |
af3973a1 MW |
375 | else if (!n) break; |
376 | else if (errno == EIO && errfile) { | |
377 | open_file_on_demand(errfile, &errfp, "bad-sector error log"); | |
378 | fprintf(errfp, "%"PRIuSEC" %"PRIuSEC"\n", pos, pos + 1); | |
379 | check_write(errfp, "bad-sector error log"); | |
380 | break; | |
381 | } else if (errno != EINTR) break; | |
0f0ba33f MW |
382 | } |
383 | if (fakeerr && !errno) errno = fakeerr; | |
dc53ebfa | 384 | else if (done > 0 && good_block_delay) sit(done*good_block_delay); |
0f0ba33f | 385 | return (!done && errno ? -1 : done); |
7fbe0fb9 MW |
386 | } |
387 | ||
dc53ebfa | 388 | static void record_bad_sectors(secaddr bad_lo, secaddr bad_hi) |
06b2bcfe | 389 | { |
dc53ebfa | 390 | char fn[MAXFNSZ]; |
06b2bcfe | 391 | |
dc53ebfa MW |
392 | if (!mapfile) return; |
393 | ||
394 | open_file_on_demand(mapfile, &mapfp, "bad-sector region map"); | |
de4d575e MW |
395 | fprintf(mapfp, "%"PRIuSEC" %"PRIuSEC" # %"PRIuSEC" sectors", |
396 | bad_lo, bad_hi, bad_hi - bad_lo); | |
dc53ebfa MW |
397 | |
398 | if (file && id_kind(file->id) != RAW) { | |
399 | store_filename(fn, file->id); | |
de4d575e | 400 | fprintf(mapfp, "; `%s' %"PRIuSEC" .. %"PRIuSEC" of %"PRIuSEC"", |
dc53ebfa MW |
401 | fn, bad_lo - file->start, bad_hi - file->start, |
402 | file->end - file->start); | |
403 | } | |
404 | ||
405 | fputc('\n', mapfp); | |
406 | check_write(mapfp, "bad-sector region map"); | |
06b2bcfe MW |
407 | } |
408 | ||
2ac5af03 MW |
409 | static void recovered(secaddr bad_lo, secaddr bad_hi) |
410 | { | |
dc53ebfa MW |
411 | char fn[MAXFNSZ]; |
412 | ||
413 | progress_clear(&progress); | |
414 | ||
415 | if (!file || id_kind(file->id) == RAW) | |
416 | moan("skipping %"PRIuSEC" bad sectors (%"PRIuSEC" .. %"PRIuSEC")", | |
417 | bad_hi - bad_lo, bad_lo, bad_hi); | |
418 | else { | |
419 | store_filename(fn, file->id); | |
420 | moan("skipping %"PRIuSEC" bad sectors (%"PRIuSEC" .. %"PRIuSEC"; " | |
421 | "`%s' %"PRIuSEC" .. %"PRIuSEC" of %"PRIuSEC")", | |
422 | bad_hi - bad_lo, bad_lo, bad_hi, | |
423 | fn, bad_lo - file->start, bad_hi - file->start, | |
424 | file->end - file->start); | |
2ac5af03 | 425 | } |
dc53ebfa MW |
426 | |
427 | record_bad_sectors(bad_lo, bad_hi); | |
428 | ||
2ac5af03 MW |
429 | if (lseek(outfd, (off_t)(bad_hi - bad_lo)*SECTORSZ, SEEK_CUR) < 0) |
430 | bail_syserr(errno, "failed to seek past bad sectors"); | |
dc53ebfa MW |
431 | |
432 | progress_removeitem(&progress, &badblock_progress); | |
433 | progress_update(&progress); | |
2ac5af03 MW |
434 | } |
435 | ||
f0e437bc MW |
436 | struct recoverybuf { |
437 | unsigned char *buf; | |
438 | secaddr sz, pos, start, end; | |
dc53ebfa | 439 | secaddr good_lo, good_hi; |
f0e437bc MW |
440 | }; |
441 | ||
442 | static void rearrange_sectors(struct recoverybuf *r, | |
443 | secaddr dest, secaddr src, secaddr len) | |
444 | { | |
445 | assert(dest + len <= r->sz); | |
446 | assert(src + len <= r->sz); | |
447 | memmove(r->buf + dest*SECTORSZ, r->buf + src*SECTORSZ, len*SECTORSZ); | |
448 | } | |
449 | ||
450 | #ifdef DEBUG | |
dc53ebfa MW |
451 | static PRINTF_LIKE(2, 3) |
452 | void show_recovery_buffer_map(const struct recoverybuf *r, | |
453 | const char *what, ...) | |
f0e437bc MW |
454 | { |
455 | va_list ap; | |
456 | ||
457 | va_start(ap, what); | |
dc53ebfa | 458 | progress_clear(); |
f0e437bc MW |
459 | printf(";; recovery buffer ("); |
460 | vprintf(what, ap); | |
461 | printf("): " | |
462 | "(%"PRIuSEC") ..%"PRIuSEC".. " | |
463 | "[%"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC"] " | |
464 | "..%"PRIuSEC".. (%"PRIuSEC")\n", | |
465 | r->pos, r->start, | |
466 | r->pos + r->start, r->end - r->start, r->pos + r->end, | |
467 | r->sz - r->end, r->pos + r->sz); | |
468 | va_end(ap); | |
469 | assert(r->start <= r->end); | |
470 | assert(r->end <= r->sz); | |
471 | } | |
472 | #endif | |
473 | ||
474 | static ssize_t recovery_read_sectors(struct recoverybuf *r, | |
475 | secaddr pos, secaddr off, secaddr want) | |
476 | { | |
477 | ssize_t n; | |
478 | ||
9c8ab410 | 479 | assert(off <= r->sz); assert(want <= r->sz - off); |
f0e437bc MW |
480 | n = read_sectors(pos, r->buf + off*SECTORSZ, want); |
481 | return (n); | |
482 | } | |
483 | ||
dc53ebfa MW |
484 | static ssize_t recovery_read_buffer(struct recoverybuf *r, |
485 | secaddr pos, secaddr want) | |
f0e437bc MW |
486 | { |
487 | secaddr diff, pp, nn; | |
488 | ssize_t n; | |
489 | ||
490 | #ifdef DEBUG | |
dc53ebfa | 491 | progress_clear(); |
f0e437bc MW |
492 | show_recovery_buffer_map(r, "begin(%"PRIuSEC", %"PRIuSEC")", pos, want); |
493 | #endif | |
494 | ||
495 | if (pos < r->pos) { | |
496 | diff = r->pos - pos; | |
497 | if (r->start + diff >= r->sz) { | |
498 | r->pos = pos; r->start = r->end = 0; | |
499 | #ifdef DEBUG | |
500 | show_recovery_buffer_map(r, "cleared; shift up by %"PRIuSEC"", diff); | |
501 | #endif | |
502 | } else { | |
503 | if (r->end + diff > r->sz) r->end = r->sz - diff; | |
504 | rearrange_sectors(r, r->start + diff, r->start, r->end - r->start); | |
ea027dd6 | 505 | r->pos -= diff; r->start += diff; r->end += diff; |
f0e437bc MW |
506 | #ifdef DEBUG |
507 | show_recovery_buffer_map(r, "shifted up by %"PRIuSEC"", diff); | |
508 | #endif | |
509 | } | |
510 | } else if (pos > r->pos + r->end) { | |
511 | r->pos = pos; r->start = r->end = 0; | |
512 | #ifdef DEBUG | |
dc53ebfa | 513 | p show_recovery_buffer_map(r, "cleared; beyond previous region"); |
f0e437bc MW |
514 | #endif |
515 | } else if (pos + want > r->pos + r->sz) { | |
516 | diff = (pos + want) - (r->pos + r->sz); | |
517 | if (r->end <= diff) { | |
518 | r->pos = pos; r->start = r->end = 0; | |
519 | #ifdef DEBUG | |
520 | show_recovery_buffer_map(r, "cleared; shift down by %"PRIuSEC"", diff); | |
521 | #endif | |
522 | } else { | |
523 | if (r->start < diff) r->start = diff; | |
524 | rearrange_sectors(r, r->start - diff, r->start, r->end - r->start); | |
ea027dd6 | 525 | r->pos += diff; r->start -= diff; r->end -= diff; |
f0e437bc MW |
526 | #ifdef DEBUG |
527 | show_recovery_buffer_map(r, "shifted down by %"PRIuSEC"", diff); | |
528 | #endif | |
529 | } | |
530 | } | |
531 | ||
532 | if (pos < r->pos + r->start) { | |
533 | pp = pos - r->pos; nn = r->start - pp; | |
534 | #ifdef DEBUG | |
535 | printf(";; read low (%"PRIuSEC"@%"PRIuSEC", %"PRIuSEC")", pos, pp, nn); | |
536 | fflush(stdout); | |
537 | #endif | |
538 | n = recovery_read_sectors(r, pos, pp, nn); | |
539 | #ifdef DEBUG | |
c0bff521 | 540 | printf(" -> %zd\n", n); |
f0e437bc MW |
541 | #endif |
542 | if (n != nn) { | |
d935b481 | 543 | if (n >= 0 && n > want) n = want; |
f0e437bc MW |
544 | goto end; |
545 | } | |
546 | r->start = pp; | |
547 | #ifdef DEBUG | |
548 | show_recovery_buffer_map(r, "joined new region"); | |
549 | #endif | |
550 | } | |
551 | ||
552 | if (pos + want > r->pos + r->end) { | |
553 | pp = r->end; nn = (pos + want) - (r->pos + r->end); | |
554 | #ifdef DEBUG | |
555 | printf(";; read high (%"PRIuSEC"@%"PRIuSEC", %"PRIuSEC")", | |
556 | r->pos + pp, pp, nn); | |
62fc1b88 | 557 | fflush(stdout); |
f0e437bc | 558 | #endif |
69d1ae9d | 559 | n = recovery_read_sectors(r, r->pos + pp, pp, nn); |
f0e437bc | 560 | #ifdef DEBUG |
c0bff521 | 561 | printf(" -> %zd\n", n); |
f0e437bc MW |
562 | #endif |
563 | if (n > 0) { | |
564 | r->end += n; | |
565 | #ifdef DEBUG | |
566 | show_recovery_buffer_map(r, "joined new region"); | |
567 | #endif | |
568 | } | |
569 | } | |
570 | ||
571 | n = r->pos + r->end - pos; | |
572 | if (!n && want) n = -1; | |
d1105ba7 | 573 | else if (n > want) n = want; |
f0e437bc MW |
574 | |
575 | end: | |
576 | #ifdef DEBUG | |
c0bff521 | 577 | show_recovery_buffer_map(r, "done; return %zd", n); |
f0e437bc MW |
578 | #endif |
579 | return (n); | |
580 | } | |
581 | ||
dc53ebfa MW |
582 | static ssize_t recovery_read_multiple(struct recoverybuf *r, |
583 | secaddr pos, secaddr want) | |
584 | { | |
585 | ssize_t n; | |
586 | secaddr skip, want0 = want; | |
587 | ||
588 | while (want > r->sz) { | |
589 | skip = want - r->sz; | |
590 | n = recovery_read_buffer(r, pos + skip, r->sz); | |
591 | if (n < r->sz) return (skip + (n >= 0 ? n : 0)); | |
592 | want -= r->sz; | |
593 | } | |
594 | n = recovery_read_buffer(r, pos, want); | |
595 | if (n < 0 || n < want) return (n); | |
596 | return (want0); | |
597 | } | |
598 | ||
599 | static ssize_t recovery_read(struct recoverybuf *r, | |
600 | secaddr pos, secaddr want) | |
601 | { | |
602 | secaddr lo = pos, hi = pos + want, span; | |
603 | ssize_t n; | |
604 | ||
605 | if (hi < r->good_lo || lo > r->good_hi) { | |
606 | n = recovery_read_multiple(r, lo, hi - lo); | |
607 | if (n > 0) { r->good_lo = lo; r->good_hi = lo + n; } | |
608 | return (n); | |
609 | } | |
610 | ||
611 | if (hi > r->good_hi) { | |
612 | span = hi - r->good_hi; | |
613 | n = recovery_read_multiple(r, r->good_hi, span); | |
614 | if (n > 0) r->good_hi += n; | |
615 | if (n < 0 || n < span) return (r->good_hi - lo); | |
616 | } | |
617 | ||
618 | if (lo < r->good_lo) { | |
619 | span = r->good_lo - lo; | |
620 | n = recovery_read_multiple(r, lo, span); | |
621 | if (n == span) r->good_lo = lo; | |
622 | else return (n); | |
623 | } | |
624 | ||
625 | n = r->good_hi - pos; if (n > want) n = want; | |
626 | if (!n) { errno = EIO; n = -1; } | |
627 | return (n); | |
628 | } | |
629 | ||
630 | static double clear_factor = 1.5; | |
631 | static secaddr clear_min = 1, clear_max = SECLIMIT; | |
632 | static double step_factor = 2.0; | |
633 | static secaddr step_min = 1, step_max = 0; | |
634 | ||
635 | static secaddr run_length_wanted(secaddr pos, secaddr badlen, secaddr end) | |
f0e437bc MW |
636 | { |
637 | secaddr want; | |
638 | ||
dc53ebfa MW |
639 | want = clear_factor*badlen; |
640 | if (want < clear_min) want = clear_min; | |
f0e437bc | 641 | if (want > end - pos) want = end - pos; |
dc53ebfa | 642 | if (clear_max && want > clear_max) want = clear_max; |
f0e437bc MW |
643 | return (want); |
644 | } | |
645 | ||
dc53ebfa MW |
646 | static void report_bad_blocks_progress(secaddr bad_hi, int err) |
647 | { bad_err = err; report_progress(bad_hi); } | |
648 | ||
654a81af MW |
649 | static ssize_t find_good_sector(secaddr *pos_inout, secaddr end, |
650 | unsigned char *buf, secaddr sz) | |
651 | { | |
f0e437bc MW |
652 | secaddr pos = *pos_inout, bad_lo, bad_hi, good, step, want; |
653 | struct recoverybuf r; | |
654a81af MW |
654 | ssize_t n; |
655 | ||
dc53ebfa MW |
656 | bad_start = pos; bad_err = errno; |
657 | badblock_progress.render = render_badblock_progress; | |
658 | progress_additem(&progress, &badblock_progress); | |
659 | ||
f0e437bc | 660 | r.buf = buf; r.sz = sz; r.pos = r.start = r.end = 0; |
dc53ebfa | 661 | r.good_lo = r.good_hi = 0; |
f0e437bc MW |
662 | |
663 | want = sz; if (want > end - pos) want = end - pos; | |
dc53ebfa MW |
664 | for (retry = 0; retry < max_retries; retry++) { |
665 | report_bad_blocks_progress(pos, errno); | |
f0e437bc MW |
666 | n = recovery_read(&r, pos, want); |
667 | #ifdef DEBUG | |
dc53ebfa | 668 | progress_clear(&progress); |
c0bff521 | 669 | printf(";; [retry] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
670 | pos, pos + want, n); |
671 | #endif | |
654a81af | 672 | if (n > 0) { |
dc53ebfa | 673 | progress_clear(&progress); |
654a81af | 674 | moan("sector %"PRIuSEC" read ok after retry", pos); |
dc53ebfa MW |
675 | progress_removeitem(&progress, &badblock_progress); |
676 | progress_update(&progress); | |
2ac5af03 | 677 | return (n); |
654a81af MW |
678 | } |
679 | } | |
680 | ||
f0e437bc | 681 | bad_lo = pos; bad_hi = pos + 1; |
654a81af | 682 | for (;;) { |
dc53ebfa | 683 | report_bad_blocks_progress(bad_hi, errno); |
ed689e74 | 684 | #ifdef DEBUG |
dc53ebfa | 685 | progress_clear(&progress); |
ed689e74 MW |
686 | printf(";; bounding bad-block region: " |
687 | "%"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC"\n", | |
688 | bad_lo, bad_hi - bad_lo, bad_hi); | |
689 | #endif | |
654a81af | 690 | if (bad_hi >= end) { |
dc53ebfa | 691 | progress_clear(&progress); |
654a81af | 692 | moan("giving up on this extent"); |
dc53ebfa MW |
693 | recovered(bad_lo, end); *pos_inout = end; |
694 | return (0); | |
654a81af | 695 | } |
88693140 | 696 | step = (step_factor - 1)*(bad_hi - bad_lo); |
dc53ebfa MW |
697 | if (step < step_min) step = step_min; |
698 | if (step_max && step > step_max) step = step_max; | |
88693140 MW |
699 | if (step > end - bad_hi) step = end - bad_hi; |
700 | pos = bad_hi + step - 1; | |
dc53ebfa | 701 | want = run_length_wanted(pos, step, end); |
f0e437bc MW |
702 | n = recovery_read(&r, pos, want); |
703 | #ifdef DEBUG | |
c0bff521 | 704 | printf(";; [bound] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
705 | pos, pos + want, n); |
706 | #endif | |
707 | if (n == want) break; | |
708 | if (n < 0) n = 0; | |
709 | bad_hi = pos + n + 1; | |
654a81af MW |
710 | } |
711 | ||
712 | good = pos; | |
713 | while (good > bad_hi) { | |
dc53ebfa | 714 | report_bad_blocks_progress(bad_hi, errno); |
ed689e74 | 715 | #ifdef DEBUG |
dc53ebfa | 716 | progress_clear(&progress); |
ed689e74 MW |
717 | printf(";; limiting bad-block region: " |
718 | "%"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC" ..%"PRIuSEC".. %"PRIuSEC"\n", | |
719 | bad_lo, bad_hi - bad_lo, bad_hi, good - bad_hi, good); | |
720 | #endif | |
654a81af | 721 | pos = bad_hi + (good - bad_hi)/2; |
f0e437bc | 722 | step = pos - bad_lo; |
dc53ebfa | 723 | want = run_length_wanted(pos, step, end); |
f0e437bc MW |
724 | n = recovery_read(&r, pos, want); |
725 | #ifdef DEBUG | |
c0bff521 | 726 | printf(";; [limit] try reading %"PRIuSEC" .. %"PRIuSEC" -> %zd\n", |
f0e437bc MW |
727 | pos, pos + want, n); |
728 | #endif | |
729 | if (n < 0) n = 0; | |
730 | if (n == want) good = pos; | |
731 | else bad_hi = pos + n + 1; | |
654a81af | 732 | } |
2ac5af03 | 733 | recovered(bad_lo, bad_hi); *pos_inout = good; |
a8625592 | 734 | if (good < r.pos + r.start || r.pos + r.end <= good) |
f0e437bc | 735 | n = 0; |
a8625592 MW |
736 | else { |
737 | n = r.pos + r.end - good; | |
738 | rearrange_sectors(&r, 0, good - r.pos, n); | |
739 | } | |
9dd5dba0 MW |
740 | #ifdef DEBUG |
741 | show_recovery_buffer_map(&r, "returning %zd good sectors at %"PRIuSEC"", | |
742 | n, good); | |
743 | #endif | |
654a81af MW |
744 | return (n); |
745 | } | |
746 | ||
9ac85bf5 | 747 | static void emit(secaddr start, secaddr end) |
7fbe0fb9 MW |
748 | { |
749 | #define BUFSECTORS 512 | |
750 | ||
e98a0749 | 751 | int least; |
7fbe0fb9 | 752 | unsigned char buf[BUFSECTORS*SECTORSZ]; |
788fe88a | 753 | secaddr pos; |
7fbe0fb9 MW |
754 | size_t want; |
755 | ssize_t n; | |
756 | static int first_time = 1; | |
757 | #ifdef DEBUG | |
758 | struct file *f; | |
759 | char fn[MAXFNSZ]; | |
760 | int act = -1; | |
e98a0749 | 761 | int i; |
7fbe0fb9 MW |
762 | #endif |
763 | ||
764 | least = least_live(); | |
765 | ||
766 | #ifdef DEBUG | |
788fe88a | 767 | printf(";; %8"PRIuSEC" .. %"PRIuSEC"\n", start, end); |
7fbe0fb9 MW |
768 | |
769 | for (i = 0; i < filetab.n; i++) { | |
770 | if (!livep(i)) continue; | |
771 | if (act == -1) act = i; | |
772 | f = &filetab.v[i]; store_filename(fn, f->id); | |
788fe88a | 773 | printf(";;\t\t%8"PRIuSEC" .. %-8"PRIuSEC" %s\n", |
7fbe0fb9 MW |
774 | start - f->start, end - f->start, fn); |
775 | } | |
776 | if (act == -1) printf(";;\t\t#<no live source>\n"); | |
777 | assert(act == least); | |
778 | #endif | |
779 | ||
780 | if (least == -1) | |
5cc1b8be | 781 | { file = 0; vob = 0; } |
7fbe0fb9 | 782 | else { |
5cc1b8be MW |
783 | file = &filetab.v[least]; |
784 | switch (id_kind(file->id)) { | |
7fbe0fb9 | 785 | case RAW: |
5cc1b8be | 786 | vob = 0; |
7fbe0fb9 MW |
787 | break; |
788 | case VOB: | |
dc53ebfa | 789 | if (first_time) { progress_clear(&progress); first_time = 0; } |
5cc1b8be MW |
790 | vob = DVDOpenFile(dvd, id_title(file->id), |
791 | id_part(file->id) | |
792 | ? DVD_READ_TITLE_VOBS | |
793 | : DVD_READ_MENU_VOBS); | |
794 | if (!vob) | |
7fbe0fb9 | 795 | bail("failed to open %s %u", |
5cc1b8be MW |
796 | id_part(file->id) ? "title" : "menu", |
797 | id_title(file->id)); | |
dc53ebfa | 798 | progress_update(&progress); |
7fbe0fb9 MW |
799 | break; |
800 | default: | |
801 | abort(); | |
802 | } | |
803 | } | |
804 | ||
dc53ebfa MW |
805 | if (file && id_kind(file->id) != RAW) { |
806 | file_progress.render = render_file_progress; | |
807 | progress_additem(&progress, &file_progress); | |
808 | } | |
809 | ||
7fbe0fb9 MW |
810 | pos = start; |
811 | while (pos < end) { | |
812 | want = end - pos; if (want > BUFSECTORS) want = BUFSECTORS; | |
5cc1b8be | 813 | n = read_sectors(pos, buf, want); |
7fbe0fb9 | 814 | |
654a81af | 815 | if (n <= 0) n = find_good_sector(&pos, end, buf, BUFSECTORS); |
7fbe0fb9 | 816 | if (n > 0) { carefully_write(outfd, buf, n*SECTORSZ); pos += n; } |
dc53ebfa | 817 | report_progress(pos); |
7fbe0fb9 MW |
818 | } |
819 | ||
5cc1b8be | 820 | if (vob) { DVDCloseFile(vob); vob = 0; } |
7fbe0fb9 | 821 | |
dc53ebfa MW |
822 | if (file && id_kind(file->id) != RAW) |
823 | progress_removeitem(&progress, &file_progress); | |
824 | progress_update(&progress); | |
7fbe0fb9 | 825 | |
dc53ebfa | 826 | #undef BUFSECTORS |
7fbe0fb9 | 827 | } |
7fbe0fb9 MW |
828 | |
829 | struct buf { | |
830 | char *p; | |
831 | size_t n, sz; | |
832 | }; | |
833 | #define BUF_INIT { 0, 0, 0 } | |
834 | #define BUF_REWIND(b) do { (b)->n = 0; } while (0) | |
835 | #define BUF_FREE(b) do { \ | |
836 | buf *_b = (b); \ | |
837 | free(_b->p); _b->p = 0; _b->n = _b->sz = 0; \ | |
838 | } while (0) | |
839 | #define BUF_PUTC(b, ch) do { \ | |
840 | struct buf *_b = (b); \ | |
841 | if (_b->n >= _b->sz) { \ | |
842 | _b->sz = _b->sz ? 2*_b->sz : 32; \ | |
843 | _b->p = realloc(_b->p, _b->sz); \ | |
844 | if (!_b->p) bail("out of memory allocating %zu bytes", _b->sz); \ | |
845 | } \ | |
846 | _b->p[_b->n] = (ch); \ | |
847 | } while (0) | |
848 | ||
849 | static int read_line(FILE *fp, struct buf *b) | |
850 | { | |
851 | int ch; | |
852 | ||
853 | ch = getc(fp); | |
854 | if (ch == EOF) | |
855 | return (-1); | |
856 | else if (ch != '\n') do { | |
857 | BUF_PUTC(b, ch); b->n++; | |
858 | ch = getc(fp); | |
859 | } while (ch != EOF && ch != '\n'); | |
860 | BUF_PUTC(b, 0); | |
861 | return (0); | |
862 | } | |
863 | ||
dc53ebfa MW |
864 | static double parse_float(const char **p_inout, double min, double max, |
865 | const char *what) | |
866 | { | |
867 | const char *p; | |
868 | char *q; | |
869 | double x; | |
870 | int err; | |
871 | ||
872 | err = errno; errno = 0; | |
873 | p = *p_inout; | |
874 | x = strtod(p, &q); | |
875 | if (errno || x < min || x > max) bail("bad %s `%s'", what, p); | |
876 | *p_inout = q; errno = err; | |
877 | return (x); | |
878 | } | |
879 | ||
880 | static long parse_int(const char **p_inout, long min, long max, | |
881 | const char *what) | |
882 | { | |
883 | const char *p; | |
884 | char *q; | |
885 | long x; | |
886 | int err; | |
887 | ||
888 | err = errno; errno = 0; | |
889 | p = *p_inout; | |
890 | x = strtoul(p, &q, 0); | |
891 | if (errno || x < min || x > max) bail("bad %s `%s'", what, p); | |
892 | *p_inout = q; errno = err; | |
893 | return (x); | |
894 | } | |
895 | ||
87a145d2 MW |
896 | #define PRF_HYPHEN 1u |
897 | static int parse_range(const char *p, unsigned f, | |
898 | secaddr *start_out, secaddr *end_out) | |
899 | { | |
900 | char *q; | |
901 | int err, rc; | |
902 | unsigned long start, end; | |
903 | ||
904 | err = errno; | |
905 | ||
906 | if (ISDIGIT(*p)) { | |
907 | start = strtoul(p, &q, 0); | |
908 | if (errno || start >= SECLIMIT) { rc = -1; goto end; } | |
909 | *start_out = start; p = q; | |
910 | } else if (!(f&PRF_HYPHEN)) | |
911 | { rc = -1; goto end; } | |
912 | else | |
913 | start = 0; | |
914 | ||
915 | if (f&PRF_HYPHEN) { | |
916 | if (*p != '-') { rc = -1; goto end; } | |
917 | p++; | |
918 | } else { | |
919 | if (!ISSPACE(*p)) { rc = -1; goto end; } | |
920 | do p++; while (ISSPACE(*p)); | |
921 | } | |
922 | ||
923 | if (ISDIGIT(*p)) { | |
924 | end = strtoul(p, &q, 0); | |
925 | if (errno || end > SECLIMIT || end < start) { rc = -1; goto end; } | |
926 | *end_out = end; p = q; | |
927 | } else if (!(f&PRF_HYPHEN)) | |
928 | { rc = -1; goto end; } | |
929 | ||
930 | if (!(f&PRF_HYPHEN)) while (ISSPACE(*p)) p++; | |
794f3f9f | 931 | if (*p && ((f&PRF_HYPHEN) || *p != '#')) { rc = -1; goto end; } |
87a145d2 MW |
932 | |
933 | rc = 0; | |
934 | end: | |
935 | errno = err; | |
936 | return (rc); | |
937 | } | |
938 | ||
7fbe0fb9 MW |
939 | int main(int argc, char *argv[]) |
940 | { | |
941 | unsigned f = 0; | |
dc53ebfa | 942 | const char *p; |
4bd4876f | 943 | off_t volsz; |
788fe88a | 944 | secaddr pos; |
7fbe0fb9 | 945 | off_t off; |
d79c7c9a | 946 | secaddr start, end, last; |
7fbe0fb9 | 947 | const struct event *ev; |
69f3ec37 | 948 | const char *device, *outfile; |
513eba44 | 949 | struct badblock *bad; |
9ac85bf5 | 950 | int opt, blksz; |
81a03df8 | 951 | unsigned n; |
7fbe0fb9 MW |
952 | size_t i; |
953 | FILE *fp; | |
954 | struct buf buf = BUF_INIT; | |
dc53ebfa MW |
955 | struct timeval tv0, tv1; |
956 | double t, rate, tot; | |
957 | const char *rateunit, *totunit; | |
d6845ac3 MW |
958 | char timebuf[TIMESTRMAX], id_in[MAXIDSZ], id_out[MAXIDSZ]; |
959 | dvd_reader_t *dvd_out; | |
7fbe0fb9 MW |
960 | #ifdef DEBUG |
961 | const struct file *file; | |
962 | char fn[MAXFNSZ]; | |
963 | #endif | |
964 | ||
965 | #define f_bogus 1u | |
966 | #define f_continue 2u | |
967 | #define f_fixup 4u | |
dc53ebfa | 968 | #define f_stats 8u |
d6845ac3 | 969 | #define f_checkid 16u |
7fbe0fb9 MW |
970 | #define f_write 256u |
971 | ||
dc53ebfa | 972 | set_prog(argv[0]); |
7fbe0fb9 | 973 | for (;;) { |
d6845ac3 | 974 | opt = getopt(argc, argv, "hB:E:FR:X:b:cir:s"); if (opt < 0) break; |
7fbe0fb9 MW |
975 | switch (opt) { |
976 | case 'h': usage(stderr); exit(0); | |
dc53ebfa MW |
977 | case 'B': |
978 | p = optarg; | |
979 | #define SKIP_PREFIX(s) \ | |
980 | (STRNCMP(p, ==, s "=", sizeof(s)) && (p += sizeof(s), 1)) | |
981 | for (;;) { | |
982 | if (SKIP_PREFIX("cf")) | |
983 | clear_factor = parse_float(&p, 0, DBL_MAX, "clear factor"); | |
984 | else if (SKIP_PREFIX("cmin")) | |
985 | clear_min = parse_int(&p, 1, SECLIMIT, "clear minimum"); | |
986 | else if (SKIP_PREFIX("cmax")) | |
987 | clear_max = parse_int(&p, 1, SECLIMIT, "clear maximum"); | |
988 | else if (SKIP_PREFIX("sf")) | |
989 | step_factor = parse_float(&p, 0, DBL_MAX, "step factor"); | |
990 | else if (SKIP_PREFIX("smin")) | |
991 | step_min = parse_int(&p, 1, SECLIMIT - 1, "step minimum"); | |
992 | else if (SKIP_PREFIX("smax")) | |
993 | step_max = parse_int(&p, 1, SECLIMIT - 1, "step maximum"); | |
994 | else if (SKIP_PREFIX("retry")) | |
995 | max_retries = parse_int(&p, 0, INT_MAX, "retries"); | |
c1d37fc8 MW |
996 | else if (SKIP_PREFIX("alpha")) |
997 | alpha = parse_float(&p, 0, 1, "average decay factor"); | |
dc53ebfa MW |
998 | else if (SKIP_PREFIX("_badwait")) |
999 | bad_block_delay = parse_float(&p, 0, DBL_MAX, "bad-block delay"); | |
1000 | else if (SKIP_PREFIX("_blkwait")) | |
1001 | good_block_delay = parse_float(&p, 0, DBL_MAX, "good block delay"); | |
1002 | else | |
1003 | bail("unknown bad blocks parameter `%s'", p); | |
1004 | if (!*p) break; | |
1005 | else if (*p != ',') bail("unexpected junk in parameters"); | |
1006 | p++; | |
1007 | } | |
1008 | #undef SKIP_PREFIX | |
1009 | break; | |
af3973a1 | 1010 | case 'E': errfile = optarg; break; |
7fbe0fb9 MW |
1011 | case 'F': f |= f_fixup; break; |
1012 | case 'R': | |
1013 | fp = fopen(optarg, "r"); | |
1014 | if (!fp) | |
1015 | bail_syserr(errno, "failed to open ranges file `%s'", optarg); | |
d79c7c9a | 1016 | i = 0; last = -1; |
7fbe0fb9 MW |
1017 | for (;;) { |
1018 | BUF_REWIND(&buf); if (read_line(fp, &buf)) break; | |
1019 | p = buf.p; i++; | |
1020 | while (ISSPACE(*p)) p++; | |
1021 | if (!*p || *p == '#') continue; | |
87a145d2 MW |
1022 | if (parse_range(p, 0, &start, &end) || |
1023 | (last <= SECLIMIT && start < last)) | |
1024 | bail("bad range `%s' at `%s' line %zu", buf.p, optarg, i); | |
7fbe0fb9 | 1025 | if (start < end) { |
d79c7c9a MW |
1026 | if (start == last) |
1027 | eventq.v[eventq.n - 1].pos = end; | |
1028 | else { | |
1029 | put_event(EV_WRITE, 0, start); | |
1030 | put_event(EV_STOP, 0, end); | |
1031 | } | |
1032 | last = end; | |
7fbe0fb9 MW |
1033 | } |
1034 | } | |
1035 | if (ferror(fp)) | |
1036 | bail_syserr(errno, "failed to read ranges file `%s'", optarg); | |
1037 | break; | |
513eba44 MW |
1038 | case 'X': |
1039 | fp = fopen(optarg, "r"); | |
1040 | if (!fp) | |
1041 | bail_syserr(errno, "failed to open bad-blocks file `%s'", optarg); | |
1042 | i = 0; last = -1; | |
1043 | for (;;) { | |
1044 | BUF_REWIND(&buf); if (read_line(fp, &buf)) break; | |
1045 | p = buf.p; i++; | |
1046 | while (ISSPACE(*p)) p++; | |
1047 | if (!*p || *p == '#') continue; | |
1048 | if (parse_range(p, 0, &start, &end) || | |
1049 | (last <= SECLIMIT && start < last)) | |
1050 | bail("bad range `%s' at `%s' line %zu", buf.p, optarg, i); | |
1051 | if (start < end) | |
1052 | { VEC_PUSH(bad, &badblocks); bad->start = start; bad->end = end; } | |
1053 | } | |
1054 | if (ferror(fp)) | |
1055 | bail_syserr(errno, "failed to read bad-blocks file `%s'", optarg); | |
1056 | break; | |
7fbe0fb9 | 1057 | case 'b': |
5cc1b8be MW |
1058 | if (mapfile) bail("can't have multiple map files"); |
1059 | mapfile = optarg; | |
7fbe0fb9 MW |
1060 | break; |
1061 | case 'c': f |= f_continue; break; | |
040a38df | 1062 | case 'i': f |= f_checkid; break; |
7fbe0fb9 | 1063 | case 'r': |
87a145d2 MW |
1064 | start = 0; end = -1; |
1065 | if (parse_range(optarg, PRF_HYPHEN, &start, &end)) | |
1066 | bail("bad range `%s'", optarg); | |
1067 | if (start < end) { | |
7fbe0fb9 | 1068 | put_event(EV_WRITE, 0, start); |
87a145d2 | 1069 | if (end <= SECLIMIT) put_event(EV_STOP, 0, end); |
7fbe0fb9 | 1070 | } |
7fbe0fb9 | 1071 | break; |
dc53ebfa | 1072 | case 's': f |= f_stats; break; |
7fbe0fb9 MW |
1073 | default: f |= f_bogus; break; |
1074 | } | |
1075 | } | |
69f3ec37 | 1076 | if (argc - optind != 2) f |= f_bogus; |
7fbe0fb9 MW |
1077 | if (f&f_bogus) { usage(stderr); exit(2); } |
1078 | ||
dc53ebfa MW |
1079 | setlocale(LC_ALL, ""); |
1080 | progress_init(&progress); | |
69f3ec37 MW |
1081 | device = argv[optind]; outfile = argv[optind + 1]; |
1082 | ||
513eba44 MW |
1083 | if (badblocks.n) { |
1084 | qsort(badblocks.v, badblocks.n, sizeof(struct badblock), | |
1085 | compare_badblock); | |
1086 | #ifdef DEBUG | |
1087 | printf(";; fake bad blocks:\n"); | |
1088 | for (i = 0; i < badblocks.n; i++) | |
1089 | printf(";;\t%8"PRIuSEC" .. %"PRIuSEC"\n", | |
1090 | badblocks.v[i].start, badblocks.v[i].end); | |
1091 | #endif | |
1092 | } | |
1093 | ||
dc53ebfa | 1094 | open_dvd(device, &dvdfd, &dvd); |
7fbe0fb9 | 1095 | |
4bd4876f | 1096 | blksz = SECTORSZ; volsz = device_size(dvdfd, device, &blksz); |
7fbe0fb9 MW |
1097 | if (blksz != SECTORSZ) |
1098 | bail("device `%s' block size %d /= %d", device, blksz, SECTORSZ); | |
1099 | if (volsz%SECTORSZ) | |
1100 | bail("device `%s' volume size %"PRIu64" not a multiple of %d", | |
1101 | device, volsz, SECTORSZ); | |
1102 | ||
d6845ac3 MW |
1103 | if (f&f_checkid) { |
1104 | open_dvd(outfile, 0, &dvd_out); | |
1105 | if (dvd_id(id_in, dvd, DIF_MUSTIFOHASH, device) || | |
1106 | dvd_id(id_out, dvd_out, DIF_MUSTIFOHASH, device)) | |
1107 | exit(2); | |
1108 | if (STRCMP(id_in, !=, id_out)) | |
1109 | bail("DVD id mismatch: input `%s' is `%s'; output `%s' is `%s'", | |
1110 | device, id_in, outfile, id_out); | |
1111 | } | |
1112 | ||
dc53ebfa MW |
1113 | outfd = open(outfile, O_WRONLY | O_CREAT, 0666); |
1114 | if (outfd < 0) | |
1115 | bail_syserr(errno, "failed to create output file `%s'", outfile); | |
7fbe0fb9 MW |
1116 | |
1117 | if (f&f_continue) { | |
7fbe0fb9 MW |
1118 | off = lseek(outfd, 0, SEEK_END); |
1119 | if (off < 0) | |
1120 | bail_syserr(errno, "failed to seek to end of output file `%s'", | |
1121 | outfile); | |
1122 | put_event(EV_WRITE, 0, off/SECTORSZ); | |
1123 | } else if (!eventq.n && !(f&f_fixup)) | |
1124 | put_event(EV_WRITE, 0, 0); | |
1125 | ||
7fbe0fb9 | 1126 | /* It's fast enough just to check everything. */ |
5cc1b8be | 1127 | put_menu(dvd, 0); |
7fbe0fb9 | 1128 | for (i = 1; i < 100; i++) { |
5cc1b8be MW |
1129 | put_menu(dvd, i); |
1130 | put_title(dvd, i); | |
7fbe0fb9 MW |
1131 | } |
1132 | put_file(mkident(RAW, 0, 0), 0, volsz/SECTORSZ); | |
1133 | assert(filetab.n <= MAXFILES); | |
1134 | ||
5cc1b8be MW |
1135 | for (i = 0, limit = 0; i < filetab.n; i++) |
1136 | if (filetab.v[i].end > limit) limit = filetab.v[i].end; | |
7fbe0fb9 | 1137 | |
5cc1b8be | 1138 | if (end > limit) end = limit; |
7fbe0fb9 MW |
1139 | |
1140 | #ifdef DEBUG | |
1141 | printf("\n;; files:\n"); | |
1142 | for (i = 0; i < filetab.n; i++) { | |
1143 | file = &filetab.v[i]; | |
1144 | store_filename(fn, file->id); | |
788fe88a | 1145 | printf(";;\t%8"PRIuSEC" %s\n", file->start, fn); |
7fbe0fb9 MW |
1146 | } |
1147 | #endif | |
1148 | ||
1149 | qsort(eventq.v, eventq.n, sizeof(struct event), compare_event); | |
1150 | ||
81a03df8 | 1151 | f &= ~f_write; start = 0; n = 0; |
7fbe0fb9 MW |
1152 | for (i = 0; i < eventq.n; i++) { |
1153 | ev = &eventq.v[i]; | |
1154 | switch (ev->ev) { | |
1155 | case EV_WRITE: | |
1156 | if (f&f_write) | |
87a145d2 | 1157 | bail("overlapping ranges: range from %"PRIuSEC" still open at %"PRIuSEC"", |
7fbe0fb9 | 1158 | start, ev->pos); |
81a03df8 | 1159 | n++; f |= f_write; start = ev->pos; |
7fbe0fb9 MW |
1160 | break; |
1161 | case EV_STOP: | |
1162 | f &= ~f_write; | |
1163 | break; | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | f &= ~f_write; start = 0; | |
1168 | for (i = 0; i < eventq.n; i++) { | |
1169 | ev = &eventq.v[i]; | |
1170 | switch (ev->ev) { | |
1171 | case EV_WRITE: start = ev->pos; f |= f_write; break; | |
7f06fa5b | 1172 | case EV_STOP: nsectors += ev->pos - start; f &= ~f_write; break; |
7fbe0fb9 | 1173 | } |
5cc1b8be | 1174 | if (ev->pos >= limit) break; |
7fbe0fb9 MW |
1175 | if (f&f_fixup) start = ev->pos; |
1176 | } | |
1177 | eventq.n = i; | |
1178 | if (f&f_fixup) { | |
1179 | put_event(EV_WRITE, 0, start); | |
81a03df8 | 1180 | n++; f |= f_write; |
7fbe0fb9 MW |
1181 | } |
1182 | if (f&f_write) { | |
5cc1b8be MW |
1183 | nsectors += limit - start; |
1184 | put_event(EV_STOP, 0, limit); | |
7fbe0fb9 | 1185 | } |
dc53ebfa MW |
1186 | |
1187 | copy_progress.render = render_copy_progress; | |
1188 | progress_additem(&progress, ©_progress); | |
e0c3a82d MW |
1189 | if (nsectors == limit - start) |
1190 | { ndone = start; nsectors = limit; } | |
1191 | else { | |
dc53ebfa MW |
1192 | disc_progress.render = render_disc_progress; |
1193 | progress_additem(&progress, &disc_progress); | |
1194 | } | |
1195 | ||
1196 | if (f&f_stats) gettimeofday(&tv0, 0); | |
7fbe0fb9 MW |
1197 | |
1198 | #ifdef DEBUG | |
1199 | printf("\n;; event sweep:\n"); | |
1200 | #endif | |
dc53ebfa | 1201 | f &= ~f_write; |
7fbe0fb9 MW |
1202 | for (pos = 0, i = 0; i < eventq.n; i++) { |
1203 | ev = &eventq.v[i]; | |
1204 | if (ev->pos > pos) { | |
9ac85bf5 | 1205 | if (f&f_write) emit(pos, ev->pos); |
7fbe0fb9 MW |
1206 | pos = ev->pos; |
1207 | #ifdef DEBUG | |
dc53ebfa | 1208 | progress_clear(&progress); |
7fbe0fb9 MW |
1209 | printf(";;\n"); |
1210 | #endif | |
1211 | } | |
1212 | switch (ev->ev) { | |
1213 | case EV_BEGIN: | |
1214 | set_live(ev->file); | |
1215 | #ifdef DEBUG | |
1216 | store_filename(fn, filetab.v[ev->file].id); | |
dc53ebfa | 1217 | progress_clear(&progress); |
788fe88a | 1218 | printf(";; %8"PRIuSEC": begin `%s'\n", pos, fn); |
7fbe0fb9 MW |
1219 | #endif |
1220 | break; | |
1221 | case EV_WRITE: | |
5cc1b8be | 1222 | gettimeofday(&last_time, 0); last_pos = pos; |
69f3ec37 | 1223 | if (lseek(outfd, (off_t)ev->pos*SECTORSZ, SEEK_SET) < 0) |
7fbe0fb9 MW |
1224 | bail_syserr(errno, |
1225 | "failed to seek to resume position " | |
788fe88a | 1226 | "(sector %"PRIuSEC") in output file `%s'", |
7fbe0fb9 MW |
1227 | ev->pos, outfile); |
1228 | #ifdef DEBUG | |
dc53ebfa | 1229 | progress_clear(&progress); |
788fe88a | 1230 | printf(";; %8"PRIuSEC": begin write\n", pos); |
7fbe0fb9 MW |
1231 | #endif |
1232 | f |= f_write; | |
1233 | break; | |
1234 | case EV_STOP: | |
1235 | f &= ~f_write; | |
1236 | #ifdef DEBUG | |
dc53ebfa | 1237 | progress_clear(&progress); |
788fe88a | 1238 | printf(";; %8"PRIuSEC": end write\n", pos); |
7fbe0fb9 MW |
1239 | #endif |
1240 | break; | |
1241 | case EV_END: | |
1242 | clear_live(ev->file); | |
1243 | #ifdef DEBUG | |
1244 | store_filename(fn, filetab.v[ev->file].id); | |
dc53ebfa | 1245 | progress_clear(&progress); |
788fe88a | 1246 | printf(";; %8"PRIuSEC": end `%s'\n", pos, fn); |
7fbe0fb9 MW |
1247 | #endif |
1248 | break; | |
1249 | default: abort(); | |
1250 | } | |
1251 | } | |
1252 | ||
dc53ebfa | 1253 | progress_clear(&progress); |
7fbe0fb9 | 1254 | |
69f3ec37 | 1255 | if (ftruncate(outfd, (off_t)limit*SECTORSZ) < 0) |
7fbe0fb9 MW |
1256 | bail_syserr(errno, "failed to set output file `%s' length", outfile); |
1257 | ||
dc53ebfa MW |
1258 | if (f&f_stats) { |
1259 | gettimeofday(&tv1, 0); t = tvdiff(&tv0, &tv1); | |
e0c3a82d | 1260 | if (nsectors == limit - start) { ndone -= start; nsectors -= start; } |
dc53ebfa MW |
1261 | tot = scale_bytes((double)nsectors*SECTORSZ, &totunit); |
1262 | rate = scale_bytes((double)nsectors*SECTORSZ/t, &rateunit); | |
1263 | moan("all done: %.1f %sB in %s -- %.1f %sB/s", | |
1264 | tot, totunit, fmttime(t, timebuf), rate, rateunit); | |
1265 | } | |
1266 | ||
5cc1b8be MW |
1267 | if (dvd) DVDClose(dvd); |
1268 | if (dvdfd >= 0) close(dvdfd); | |
7fbe0fb9 | 1269 | if (outfd >= 0) close(outfd); |
813c2ce8 | 1270 | carefully_fclose(mapfp, "bad-sector region map"); |
af3973a1 | 1271 | carefully_fclose(errfp, "bad-sector error log"); |
dc53ebfa | 1272 | progress_free(&progress); |
7fbe0fb9 MW |
1273 | |
1274 | #undef f_bogus | |
1275 | #undef f_continue | |
1276 | #undef f_fixup | |
dc53ebfa | 1277 | #undef f_stats |
7fbe0fb9 MW |
1278 | #undef f_write |
1279 | ||
8da99a82 | 1280 | return (0); |
7fbe0fb9 | 1281 | } |