Rename osl index entry stuff.
[paraslash.git] / aft.c
1 #include "para.h"
2 #include "error.h"
3 #include <sys/mman.h>
4 #include <fnmatch.h>
5 #include "afh.h"
6 #include "afs.h"
7 #include "net.h"
8 #include "string.h"
9 #include "vss.h"
10
11 #define AFS_AUDIO_FILE_DIR "/home/mp3"
12
13 static struct osl_table *audio_file_table;
14
15 /**
16 * Describes the layout of the mmapped-afs info struct.
17 *
18 * \sa struct afs_info.
19 */
20 enum afsi_offsets {
21 /** Where .last_played is stored. */
22 AFSI_LAST_PLAYED_OFFSET = 0,
23 /** Storage position of the attributes bitmap. */
24 AFSI_ATTRIBUTES_OFFSET = 8,
25 /** Storage position of the .num_played field. */
26 AFSI_NUM_PLAYED_OFFSET = 16,
27 /** Storage position of the .image_id field. */
28 AFSI_IMAGE_ID_OFFSET = 20,
29 /** Storage position of the .lyrics_id field. */
30 AFSI_LYRICS_ID_OFFSET = 24,
31 /** Storage position of the .audio_format_id field. */
32 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
33 /** On-disk storage space needed. */
34 AFSI_SIZE = 29
35 };
36
37 /**
38 * Convert a struct afs_info to an osl object.
39 *
40 * \param afsi Pointer to the audio file info to be converted.
41 * \param obj Result pointer.
42 *
43 * \sa load_afsi().
44 */
45 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
46 {
47 char *buf = obj->data;
48
49 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
50 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
51 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
52 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
53 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
54 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
55 afsi->audio_format_id);
56 }
57
58 /**
59 * Get the audio file selector info struct stored in an osl object.
60 *
61 * \param afsi Points to the audio_file info structure to be filled in.
62 * \param obj The osl object holding the data.
63 *
64 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
65 *
66 * \sa save_afsi().
67 */
68 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
69 {
70 char *buf = obj->data;
71 if (obj->size < AFSI_SIZE)
72 return -E_BAD_AFS;
73 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
74 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
75 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
76 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
77 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
78 afsi->audio_format_id = read_u8(buf +
79 AFSI_AUDIO_FORMAT_ID_OFFSET);
80 return 1;
81 }
82
83 /** The columns of the audio file table. */
84 enum audio_file_table_columns {
85 /** The hash on the content of the audio file. */
86 AFTCOL_HASH,
87 /** The full path in the filesystem. */
88 AFTCOL_PATH,
89 /** The audio file selector info. */
90 AFTCOL_AFSI,
91 /** The audio format handler info. */
92 AFTCOL_AFHI,
93 /** The chunk table info and the chunk table of the audio file. */
94 AFTCOL_CHUNKS,
95 /** The number of columns of this table. */
96 NUM_AFT_COLUMNS
97 };
98
99 static struct osl_column_description aft_cols[] = {
100 [AFTCOL_HASH] = {
101 .storage_type = OSL_MAPPED_STORAGE,
102 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
103 .name = "hash",
104 .compare_function = osl_hash_compare,
105 .data_size = HASH_SIZE
106 },
107 [AFTCOL_PATH] = {
108 .storage_type = OSL_MAPPED_STORAGE,
109 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
110 .name = "path",
111 .compare_function = string_compare,
112 },
113 [AFTCOL_AFSI] = {
114 .storage_type = OSL_MAPPED_STORAGE,
115 .storage_flags = OSL_FIXED_SIZE,
116 .name = "afs_info",
117 .data_size = AFSI_SIZE
118 },
119 [AFTCOL_AFHI] = {
120 .storage_type = OSL_MAPPED_STORAGE,
121 .name = "afh_info",
122 },
123 [AFTCOL_CHUNKS] = {
124 .storage_type = OSL_DISK_STORAGE,
125 .name = "chunks",
126 }
127 };
128
129 static struct osl_table_description audio_file_table_desc = {
130 .name = "audio_files",
131 .num_columns = NUM_AFT_COLUMNS,
132 .flags = OSL_LARGE_TABLE,
133 .column_descriptions = aft_cols
134 };
135
136 static char *prefix_path(const char *prefix, int len, const char *path)
137 {
138 int speclen;
139 char *n;
140
141 for (;;) {
142 char c;
143 if (*path != '.')
144 break;
145 c = path[1];
146 /* "." */
147 if (!c) {
148 path++;
149 break;
150 }
151 /* "./" */
152 if (c == '/') {
153 path += 2;
154 continue;
155 }
156 if (c != '.')
157 break;
158 c = path[2];
159 if (!c)
160 path += 2;
161 else if (c == '/')
162 path += 3;
163 else
164 break;
165 /* ".." and "../" */
166 /* Remove last component of the prefix */
167 do {
168 if (!len)
169 return NULL;
170 len--;
171 } while (len && prefix[len-1] != '/');
172 continue;
173 }
174 if (!len)
175 return para_strdup(path);
176 speclen = strlen(path);
177 n = para_malloc(speclen + len + 1);
178 memcpy(n, prefix, len);
179 memcpy(n + len, path, speclen+1);
180 return n;
181 }
182
183 /*
184 * We fundamentally don't like some paths: we don't want
185 * dot or dot-dot anywhere.
186 *
187 * Also, we don't want double slashes or slashes at the
188 * end that can make pathnames ambiguous.
189 */
190 static int verify_dotfile(const char *rest)
191 {
192 /*
193 * The first character was '.', but that has already been discarded, we
194 * now test the rest.
195 */
196 switch (*rest) {
197 /* "." is not allowed */
198 case '\0': case '/':
199 return 1;
200
201 case '.':
202 if (rest[1] == '\0' || rest[1] == '/')
203 return -1;
204 }
205 return 1;
206 }
207
208 static int verify_path(const char *orig_path, char **resolved_path)
209 {
210 char c;
211 const char prefix[] = AFS_AUDIO_FILE_DIR "/";
212 const char *path = orig_path;
213 const size_t prefix_len = strlen(prefix);
214
215 c = *path++;
216 if (!c)
217 goto bad_path;
218 while (c) {
219 if (c == '/') {
220 c = *path++;
221 switch (c) {
222 default:
223 continue;
224 case '/': /* double slash */
225 goto bad_path;
226 case '.':
227 if (verify_dotfile(path) < 0)
228 goto bad_path;
229 }
230 }
231 c = *path++;
232 }
233 if (*orig_path != '/')
234 *resolved_path = prefix_path(prefix, prefix_len, orig_path);
235 else
236 *resolved_path = para_strdup(orig_path);
237 return 1;
238 bad_path:
239 return -E_BAD_PATH;
240 }
241
242 enum afhi_offsets {
243 AFHI_SECONDS_TOTAL_OFFSET = 0,
244 AFHI_BITRATE_OFFSET = 4,
245 AFHI_FREQUENCY_OFFSET = 8,
246 AFHI_CHANNELS_OFFSET = 12,
247 AFHI_INFO_STRING_OFFSET = 13,
248 MIN_AFHI_SIZE = 14
249 };
250
251 static unsigned sizeof_afhi_buf(const struct audio_format_info *afhi)
252 {
253 if (!afhi)
254 return 0;
255 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
256 }
257
258 static void save_afhi(struct audio_format_info *afhi, char *buf)
259 {
260 if (!afhi)
261 return;
262 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
263 afhi->seconds_total);
264 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
265 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
266 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
267 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
268 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
269 }
270
271 static void load_afhi(const char *buf, struct audio_format_info *afhi)
272 {
273 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
274 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
275 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
276 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
277 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
278 }
279
280 static unsigned sizeof_chunk_info_buf(struct audio_format_info *afhi)
281 {
282 if (!afhi)
283 return 0;
284 return 4 * afhi->chunks_total + 20;
285
286 }
287
288 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
289 enum chunk_info_offsets{
290 /** The total number of chunks (4 bytes). */
291 CHUNKS_TOTAL_OFFSET = 0,
292 /** The length of the audio file header (4 bytes). */
293 HEADER_LEN_OFFSET = 4,
294 /** The start of the audio file header (4 bytes). */
295 HEADER_OFFSET_OFFSET = 8,
296 /** The seconds part of the chunk time (4 bytes). */
297 CHUNK_TV_TV_SEC_OFFSET = 12,
298 /** The microseconds part of the chunk time (4 bytes). */
299 CHUNK_TV_TV_USEC = 16,
300 /** Chunk table entries start here. */
301 CHUNK_TABLE_OFFSET = 20,
302 };
303
304 /* TODO: audio format handlers could just produce this */
305 static void save_chunk_info(struct audio_format_info *afhi, char *buf)
306 {
307 int i;
308
309 if (!afhi)
310 return;
311 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
312 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
313 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
314 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
315 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
316 for (i = 0; i < afhi->chunks_total; i++)
317 write_u32(buf + CHUNK_TABLE_OFFSET + 4 * i, afhi->chunk_table[i]);
318 }
319
320 static int load_chunk_info(struct osl_object *obj, struct audio_format_info *afhi)
321 {
322 char *buf = obj->data;
323 int i;
324
325 if (obj->size < CHUNK_TABLE_OFFSET)
326 return -E_BAD_DATA_SIZE;
327
328 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
329 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
330 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
331 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
332 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
333
334 if (afhi->chunks_total * 4 + CHUNK_TABLE_OFFSET > obj->size)
335 return -E_BAD_DATA_SIZE;
336 afhi->chunk_table = para_malloc(afhi->chunks_total * sizeof(size_t));
337 for (i = 0; i < afhi->chunks_total; i++)
338 afhi->chunk_table[i] = read_u32(buf + CHUNK_TABLE_OFFSET + 4 * i);
339 return 1;
340 }
341
342 /**
343 * Get the row of the audio file table corresponding to the given path.
344 *
345 * \param path The full path of the audio file.
346 * \param row Result pointer.
347 *
348 * \return The return value of the underlying call to osl_get_row().
349 */
350 int aft_get_row_of_path(char *path, struct osl_row **row)
351 {
352 struct osl_object obj = {.data = path, .size = strlen(path) + 1};
353
354 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
355 }
356
357 /**
358 * Get the row of the audio file table corresponding to the given hash value.
359 *
360 * \param hash The hash value of the desired audio file.
361 * \param row resul pointer.
362 *
363 * \return The return value of the underlying call to osl_get_row().
364 */
365 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
366 {
367 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
368 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
369 }
370
371 /**
372 * Get the osl object holding the audio file selector info of a row.
373 *
374 * \param row Pointer to a row in the audio file table.
375 * \param obj Result pointer.
376 *
377 * \return The return value of the underlying call to osl_get_object().
378 */
379 int get_afsi_object_of_row(const void *row, struct osl_object *obj)
380 {
381 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
382 }
383
384 /**
385 * Get the osl object holding the audio file selector info, given a path.
386 *
387 *
388 * \param path The full path of the audio file.
389 * \param obj Result pointer.
390 *
391 * \return Positive on success, negative on errors.
392 */
393 int get_afsi_object_of_path(char *path, struct osl_object *obj)
394 {
395 struct osl_row *row;
396 int ret = aft_get_row_of_path(path, &row);
397 if (ret < 0)
398 return ret;
399 return get_afsi_object_of_row(row, obj);
400 }
401
402 /**
403 * Get the audio file selector info, given a row of the audio file table.
404 *
405 * \param row Pointer to a row in the audio file table.
406 * \param afsi Result pointer.
407 *
408 * \return Positive on success, negative on errors.
409 */
410 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
411 {
412 struct osl_object obj;
413 int ret = get_afsi_object_of_row(row, &obj);
414 if (ret < 0)
415 return ret;
416 return load_afsi(afsi, &obj);
417 }
418
419 /**
420 * Get the path of an audio file, given a row of the audio file table.
421 *
422 * \param row Pointer to a row in the audio file table.
423 * \param path Result pointer.
424 *
425 * \return Positive on success, negative on errors.
426 */
427 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
428 {
429 struct osl_object path_obj;
430 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
431 &path_obj);
432 if (ret < 0)
433 return ret;
434 *path = path_obj.data;
435 return 1;
436 }
437
438 /**
439 * Get the object containing the hash value of an audio file, given a row.
440 *
441 * \param row Pointer to a row of the audio file table.
442 * \param obj Result pointer.
443 *
444 * \return The return value of the underlying call to osl_get_object().
445 *
446 * \sa get_hash_of_row().
447 */
448 int get_hash_object_of_aft_row(const void *row, struct osl_object *obj)
449 {
450 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
451 }
452
453 /**
454 * Get the hash value of an audio file, given a row of the audio file table.
455 *
456 * \param row Pointer to a row of the audio file table.
457 * \param hash Result pointer.
458 *
459 * \a hash points to mapped data and must not be freed by the caller.
460 *
461 * \return The return value of the underlying call to
462 * get_hash_object_of_aft_row().
463 */
464 static int get_hash_of_row(const void *row, HASH_TYPE **hash)
465 {
466 struct osl_object obj;
467 int ret = get_hash_object_of_aft_row(row, &obj);
468
469 if (ret < 0)
470 return ret;
471 *hash = obj.data;
472 return 1;
473 }
474
475 /**
476 * Get the audio format handler info, given a row of the audio file table.
477 *
478 * \param row Pointer to a row of the audio file table.
479 * \param afhi Result pointer.
480 *
481 * \return The return value of the underlying call to osl_get_object().
482 *
483 * \sa get_chunk_table_of_row().
484 */
485 int get_afhi_of_row(const void *row, struct audio_format_info *afhi)
486 {
487 struct osl_object obj;
488 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
489 &obj);
490 if (ret < 0)
491 return ret;
492 load_afhi(obj.data, afhi);
493 return 1;
494 }
495
496 /**
497 * Get the chunk table of an audio file, given a row of the audio file table.
498 *
499 * \param row Pointer to a row of the audio file table.
500 * \param afhi Result pointer.
501 *
502 * \return The return value of the underlying call to osl_open_disk_object().
503 *
504 * \sa get_afhi_of_row().
505 */
506 int get_chunk_table_of_row(const void *row, struct audio_format_info *afhi)
507 {
508 struct osl_object obj;
509 int ret = osl_open_disk_object(audio_file_table, row, AFTCOL_CHUNKS,
510 &obj);
511 if (ret < 0)
512 return ret;
513 ret = load_chunk_info(&obj, afhi);
514 osl_close_disk_object(&obj);
515 return ret;
516 }
517
518 /**
519 * Mmap the given audio file and update statistics.
520 *
521 * \param aft_row Determines the audio file to be opened and updated.
522 * \param afd Result pointer.
523 *
524 * On success, the numplayed field of the audio file selector info is increased
525 * and the lastplayed time is set to the current time. Finally, the score of
526 * the audio file is updated.
527 *
528 * \return Positive on success, negative on errors.
529 */
530 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
531 {
532 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
533 struct osl_object afsi_obj;
534 struct afs_info new_afsi;
535 int ret = get_hash_of_row(aft_row, &aft_hash);
536
537 if (ret < 0)
538 return ret;
539 ret = get_audio_file_path_of_row(aft_row, &afd->path);
540 if (ret < 0)
541 return ret;
542 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
543 if (ret < 0)
544 return ret;
545 ret = load_afsi(&afd->afsi, &afsi_obj);
546 if (ret < 0)
547 return ret;
548 ret = get_afhi_of_row(aft_row, &afd->afhi);
549 if (ret < 0)
550 return ret;
551 ret = get_chunk_table_of_row(aft_row, &afd->afhi);
552 if (ret < 0)
553 return ret;
554 ret = mmap_full_file(afd->path, O_RDONLY, &afd->map);
555 if (ret < 0)
556 goto err;
557 hash_function(afd->map.data, afd->map.size, file_hash);
558 ret = -E_HASH_MISMATCH;
559 if (hash_compare(file_hash, aft_hash))
560 goto err;
561 new_afsi = afd->afsi;
562 new_afsi.num_played++;
563 new_afsi.last_played = time(NULL);
564 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
565 if (afd->current_play_mode == PLAY_MODE_PLAYLIST)
566 ret = playlist_update_audio_file(aft_row);
567 else
568 ret = mood_update_audio_file(aft_row, &afd->afsi);
569 return ret;
570 err:
571 free(afd->afhi.chunk_table);
572 return ret;
573 }
574
575 time_t now;
576
577 static int get_local_time(uint64_t *seconds, char *buf, size_t size)
578 {
579 struct tm t;
580
581 if (!localtime_r((time_t *)seconds, &t))
582 return -E_LOCALTIME;
583 if (*seconds + 6 * 30 * 24 * 3600 > now) {
584 if (!strftime(buf, size, "%b %e %k:%M", &t))
585 return -E_STRFTIME;
586 return 1;
587 }
588 if (!strftime(buf, size, "%b %e %Y", &t))
589 return -E_STRFTIME;
590 return 1;
591 }
592
593 #define GET_NUM_DIGITS(x, num) { \
594 typeof((x)) _tmp = PARA_ABS(x); \
595 *num = 1; \
596 if ((x)) \
597 while ((_tmp) > 9) { \
598 (_tmp) /= 10; \
599 (*num)++; \
600 } \
601 }
602
603 static short unsigned get_duration_width(int seconds)
604 {
605 short unsigned width;
606 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
607
608 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
609 return 4 + (mins > 9);
610 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
611 GET_NUM_DIGITS(hours, &width);
612 return width + 6;
613 }
614
615 static void get_duration_buf(int seconds, char *buf, short unsigned max_width)
616 {
617 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
618
619 if (!hours) /* m:ss or mm:ss */
620 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
621 else /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
622 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
623 seconds % 60);
624 }
625
626 static char *make_attribute_line(const char *att_bitmap, struct afs_info *afsi)
627 {
628 char *att_text, *att_line;
629
630 get_attribute_text(&afsi->attributes, " ", &att_text);
631 if (!att_text)
632 return para_strdup(att_bitmap);
633 att_line = make_message("%s (%s)", att_bitmap, att_text);
634 free(att_text);
635 return att_line;
636 }
637
638 static char *make_lyrics_line(struct afs_info *afsi)
639 {
640 char *lyrics_name;
641 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
642 if (!lyrics_name)
643 return make_message("%u", afsi->lyrics_id);
644 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
645 }
646
647 static char *make_image_line(struct afs_info *afsi)
648 {
649 char *image_name;
650 img_get_name_by_id(afsi->image_id, &image_name);
651 if (!image_name)
652 return make_message("%u", afsi->image_id);
653 return make_message("%u (%s)", afsi->image_id, image_name);
654 }
655
656 static int print_list_item(struct ls_data *d, struct ls_options *opts,
657 struct para_buffer *b)
658 {
659 int ret;
660 char att_buf[65];
661 char last_played_time[30];
662 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
663 char score_buf[30] = "";
664 struct afs_info *afsi = &d->afsi;
665 struct audio_format_info *afhi = &d->afhi;
666 struct ls_widths *w = &opts->widths;
667 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
668
669 if (opts->mode == LS_MODE_SHORT) {
670 para_printf(b, "%s\n", d->path);
671 return 1;
672 }
673 get_attribute_bitmap(&afsi->attributes, att_buf);
674 ret = get_local_time(&afsi->last_played, last_played_time,
675 sizeof(last_played_time));
676 if (ret < 0)
677 return ret;
678 get_duration_buf(afhi->seconds_total, duration_buf, w->duration_width);
679 if (have_score) {
680 if (opts->mode == LS_MODE_LONG)
681 sprintf(score_buf, "%*li ", w->score_width, d->score);
682 else
683 sprintf(score_buf, "%li ", d->score);
684 }
685
686 PARA_NOTICE_LOG("id: %s, %d\n", d->path, afsi->audio_format_id);
687 if (opts->mode == LS_MODE_LONG) {
688 para_printf(b,
689 "%s" /* score */
690 "%s " /* attributes */
691 "%*d " /* image_id */
692 "%*d " /* lyrics_id */
693 "%*d " /* bitrate */
694 "%s " /* audio format */
695 "%*d " /* frequency */
696 "%d " /* channels */
697 "%s " /* duration */
698 "%*d " /* num_played */
699 "%s " /* last_played */
700 "%s\n", /* path */
701 score_buf,
702 att_buf,
703 w->image_id_width, afsi->image_id,
704 w->lyrics_id_width, afsi->lyrics_id,
705 w->bitrate_width, afhi->bitrate,
706 audio_format_name(afsi->audio_format_id),
707 w->frequency_width, afhi->frequency,
708 afhi->channels,
709 duration_buf,
710 w->num_played_width, afsi->num_played,
711 last_played_time,
712 d->path
713 );
714 return 1;
715 }
716 if (opts->mode == LS_MODE_VERBOSE) {
717 char asc_hash[2 * HASH_SIZE + 1];
718 char *att_line, *lyrics_line, *image_line;
719
720 hash_to_asc(d->hash, asc_hash);
721 att_line = make_attribute_line(att_buf, afsi);
722 lyrics_line = make_lyrics_line(afsi);
723 image_line = make_image_line(afsi);
724 para_printf(b,
725 "%s: %s\n" /* path */
726 "%s%s%s" /* score */
727 "attributes: %s\n"
728 "hash: %s\n"
729 "image_id: %s\n"
730 "lyrics_id: %s\n"
731 "bitrate: %dkbit/s\n"
732 "format: %s\n"
733 "frequency: %dHz\n"
734 "channels: %d\n"
735 "duration: %s\n"
736 "num_played: %d\n"
737 "last_played: %s\n\n",
738 (opts->flags & LS_FLAG_FULL_PATH)?
739 "path" : "file", d->path,
740 have_score? "score: " : "", score_buf,
741 have_score? "\n" : "",
742 att_line,
743 asc_hash,
744 image_line,
745 lyrics_line,
746 afhi->bitrate,
747 audio_format_name(afsi->audio_format_id),
748 afhi->frequency,
749 afhi->channels,
750 duration_buf,
751 afsi->num_played,
752 last_played_time
753 );
754 free(att_line);
755 free(lyrics_line);
756 free(image_line);
757 return 1;
758 }
759 return 1;
760 }
761
762 static int ls_audio_format_compare(const void *a, const void *b)
763 {
764 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
765 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
766 }
767
768 static int ls_duration_compare(const void *a, const void *b)
769 {
770 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
771 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
772 }
773
774 static int ls_bitrate_compare(const void *a, const void *b)
775 {
776 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
777 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
778 }
779
780 static int ls_lyrics_id_compare(const void *a, const void *b)
781 {
782 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
783 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
784 }
785
786 static int ls_image_id_compare(const void *a, const void *b)
787 {
788 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
789 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
790 }
791
792 static int ls_channels_compare(const void *a, const void *b)
793 {
794 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
795 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
796 }
797
798 static int ls_frequency_compare(const void *a, const void *b)
799 {
800 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
801 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
802 }
803
804 static int ls_num_played_compare(const void *a, const void *b)
805 {
806 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
807 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
808 }
809
810 static int ls_last_played_compare(const void *a, const void *b)
811 {
812 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
813 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
814 }
815
816 static int ls_score_compare(const void *a, const void *b)
817 {
818 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
819 return NUM_COMPARE(d1->score, d2->score);
820 }
821
822 static int ls_path_compare(const void *a, const void *b)
823 {
824 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
825 return strcmp(d1->path, d2->path);
826 }
827
828 static int sort_matching_paths(struct ls_options *options)
829 {
830 size_t nmemb = options->num_matching_paths;
831 size_t size = sizeof(uint32_t);
832 int (*compar)(const void *, const void *);
833 int i;
834
835 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
836 for (i = 0; i < nmemb; i++)
837 options->data_ptr[i] = options->data + i;
838
839 /* In these cases the array is already sorted */
840 if (options->sorting == LS_SORT_BY_PATH
841 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
842 && (options->flags & LS_FLAG_FULL_PATH))
843 return 1;
844 if (options->sorting == LS_SORT_BY_SCORE &&
845 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
846 return 1;
847
848 switch (options->sorting) {
849 case LS_SORT_BY_PATH:
850 compar = ls_path_compare; break;
851 case LS_SORT_BY_SCORE:
852 compar = ls_score_compare; break;
853 case LS_SORT_BY_LAST_PLAYED:
854 compar = ls_last_played_compare; break;
855 case LS_SORT_BY_NUM_PLAYED:
856 compar = ls_num_played_compare; break;
857 case LS_SORT_BY_FREQUENCY:
858 compar = ls_frequency_compare; break;
859 case LS_SORT_BY_CHANNELS:
860 compar = ls_channels_compare; break;
861 case LS_SORT_BY_IMAGE_ID:
862 compar = ls_image_id_compare; break;
863 case LS_SORT_BY_LYRICS_ID:
864 compar = ls_lyrics_id_compare; break;
865 case LS_SORT_BY_BITRATE:
866 compar = ls_bitrate_compare; break;
867 case LS_SORT_BY_DURATION:
868 compar = ls_duration_compare; break;
869 case LS_SORT_BY_AUDIO_FORMAT:
870 compar = ls_audio_format_compare; break;
871 default:
872 return -E_BAD_SORT;
873 }
874 qsort(options->data_ptr, nmemb, size, compar);
875 return 1;
876 }
877
878 /* row is either an aft_row or a row of the score table */
879 /* TODO: Only compute widths if we need them */
880 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
881 {
882 int ret, i;
883 struct ls_options *options = ls_opts;
884 struct ls_data *d;
885 struct ls_widths *w;
886 unsigned short num_digits;
887 unsigned tmp;
888 struct osl_row *aft_row;
889 long score;
890 char *path;
891
892 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
893 ret = get_score_and_aft_row(row, &score, &aft_row);
894 if (ret < 0)
895 return ret;
896 } else
897 aft_row = row;
898 ret = get_audio_file_path_of_row(aft_row, &path);
899 if (ret < 0)
900 return ret;
901 if (!(options->flags & LS_FLAG_FULL_PATH)) {
902 char *p = strrchr(path, '/');
903 if (p)
904 path = p + 1;
905 }
906 if (options->num_patterns) {
907 for (i = 0; i < options->num_patterns; i++) {
908 ret = fnmatch(options->patterns[i], path, FNM_PATHNAME);
909 if (!ret)
910 break;
911 if (ret == FNM_NOMATCH)
912 continue;
913 return -E_FNMATCH;
914 }
915 if (i >= options->num_patterns) /* no match */
916 return 1;
917 }
918 tmp = options->num_matching_paths++;
919 if (options->num_matching_paths > options->array_size) {
920 options->array_size++;
921 options->array_size *= 2;
922 options->data = para_realloc(options->data, options->array_size
923 * sizeof(*options->data));
924 }
925 d = options->data + tmp;
926 ret = get_afsi_of_row(aft_row, &d->afsi);
927 if (ret < 0)
928 return ret;
929 ret = get_afhi_of_row(aft_row, &d->afhi);
930 if (ret < 0)
931 return ret;
932 d->path = path;
933 ret = get_hash_of_row(aft_row, &d->hash);
934 if (ret < 0)
935 return ret;
936 w = &options->widths;
937 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
938 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
939 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
940 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
941 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
942 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
943 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
944 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
945 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
946 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
947 /* get the number of chars to print this amount of time */
948 tmp = get_duration_width(d->afhi.seconds_total);
949 w->duration_width = PARA_MAX(w->duration_width, tmp);
950 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
951 GET_NUM_DIGITS(score, &num_digits);
952 num_digits++; /* add one for the sign (space or "-") */
953 w->score_width = PARA_MAX(w->score_width, num_digits);
954 d->score = score;
955 }
956 return 1;
957 }
958
959 static int com_ls_callback(const struct osl_object *query,
960 struct osl_object *ls_output)
961 {
962 struct ls_options *opts = query->data;
963 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
964 struct para_buffer b = {.buf = NULL, .size = 0};
965 int i = 0, ret;
966
967 PARA_NOTICE_LOG("%d patterns\n", opts->num_patterns);
968 if (opts->num_patterns) {
969 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
970 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
971 opts->patterns[i] = p;
972 p += strlen(p) + 1;
973 PARA_NOTICE_LOG("pattern %d: %s\n", i, opts->patterns[i]);
974 }
975 } else
976 opts->patterns = NULL;
977 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
978 ret = admissible_file_loop(opts, prepare_ls_row);
979 else
980 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
981 prepare_ls_row);
982 if (ret < 0)
983 goto out;
984 ret = opts->num_patterns? -E_NO_MATCH : 0;
985 if (!opts->num_matching_paths) {
986 PARA_NOTICE_LOG("no match, ret: %d\n", ret);
987 goto out;
988 }
989 ret = sort_matching_paths(opts);
990 if (ret < 0)
991 goto out;
992 if (opts->flags & LS_FLAG_REVERSE)
993 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
994 ret = print_list_item(opts->data_ptr[i], opts, &b);
995 if (ret < 0)
996 break;
997 }
998 else
999 for (i = 0; i < opts->num_matching_paths; i++) {
1000 ret = print_list_item(opts->data_ptr[i], opts, &b);
1001 if (ret < 0)
1002 break;
1003 }
1004 ret = 1;
1005 out:
1006 ls_output->data = b.buf;
1007 PARA_NOTICE_LOG("ls_outoute.data: %p\n", ls_output->data);
1008 ls_output->size = b.size;
1009 free(opts->data);
1010 free(opts->data_ptr);
1011 free(opts->patterns);
1012 return ret;
1013 }
1014
1015 /*
1016 * TODO: flags -h (sort by hash)
1017 *
1018 * long list: list hash, attributes as (xx--x-x-), file size, lastplayed
1019 * full list: list everything, including afsi, afhi, atts as clear text
1020 *
1021 * */
1022 int com_afs_ls(int fd, int argc, char * const * const argv)
1023 {
1024 int i, ret;
1025 unsigned flags = 0;
1026 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1027 enum ls_listing_mode mode = LS_MODE_SHORT;
1028 struct ls_options opts = {.patterns = NULL};
1029 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1030 ls_output;
1031
1032 for (i = 1; i < argc; i++) {
1033 const char *arg = argv[i];
1034 if (arg[0] != '-')
1035 break;
1036 if (!strcmp(arg, "--")) {
1037 i++;
1038 break;
1039 }
1040 if (!strncmp(arg, "-l", 2)) {
1041 if (!*(arg + 2)) {
1042 mode = LS_MODE_LONG;
1043 continue;
1044 }
1045 if (*(arg + 3))
1046 return -E_AFT_SYNTAX;
1047 switch(*(arg + 2)) {
1048 case 's':
1049 mode = LS_MODE_SHORT;
1050 continue;
1051 case 'l':
1052 mode = LS_MODE_LONG;
1053 continue;
1054 case 'v':
1055 mode = LS_MODE_VERBOSE;
1056 continue;
1057 case 'm':
1058 mode = LS_MODE_MBOX;
1059 continue;
1060 default:
1061 return -E_AFT_SYNTAX;
1062 }
1063 }
1064 if (!strcmp(arg, "-p")) {
1065 flags |= LS_FLAG_FULL_PATH;
1066 continue;
1067 }
1068 if (!strcmp(arg, "-a")) {
1069 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1070 continue;
1071 }
1072 if (!strcmp(arg, "-r")) {
1073 flags |= LS_FLAG_REVERSE;
1074 continue;
1075 }
1076 if (!strncmp(arg, "-s", 2)) {
1077 if (!*(arg + 2) || *(arg + 3))
1078 return -E_AFT_SYNTAX;
1079 switch(*(arg + 2)) {
1080 case 'p':
1081 sort = LS_SORT_BY_PATH;
1082 continue;
1083 case 's': /* -ss implies -a */
1084 sort = LS_SORT_BY_SCORE;
1085 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1086 continue;
1087 case 'l':
1088 sort = LS_SORT_BY_LAST_PLAYED;
1089 continue;
1090 case 'n':
1091 sort = LS_SORT_BY_NUM_PLAYED;
1092 continue;
1093 case 'f':
1094 sort = LS_SORT_BY_FREQUENCY;
1095 continue;
1096 case 'c':
1097 sort = LS_SORT_BY_CHANNELS;
1098 continue;
1099 case 'i':
1100 sort = LS_SORT_BY_IMAGE_ID;
1101 continue;
1102 case 'y':
1103 sort = LS_SORT_BY_LYRICS_ID;
1104 continue;
1105 case 'b':
1106 sort = LS_SORT_BY_BITRATE;
1107 continue;
1108 case 'd':
1109 sort = LS_SORT_BY_DURATION;
1110 continue;
1111 case 'a':
1112 sort = LS_SORT_BY_AUDIO_FORMAT;
1113 continue;
1114 default:
1115 return -E_AFT_SYNTAX;
1116 }
1117 }
1118 return -E_AFT_SYNTAX;
1119 }
1120 time(&now);
1121 opts.flags = flags;
1122 opts.sorting = sort;
1123 opts.mode = mode;
1124 opts.num_patterns = argc - i;
1125 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1126 argv + i, com_ls_callback, &ls_output);
1127 if (ret > 0) {
1128 ret = send_buffer(fd, (char *)ls_output.data);
1129 free(ls_output.data);
1130 }
1131 return ret;
1132 }
1133
1134 /**
1135 * Call the given function for each file in the audio file table.
1136 *
1137 * \param private_data An arbitrary data pointer, passed to \a func.
1138 * \param func The custom function to be called.
1139 *
1140 * \return The return value of the underlying call to osl_rbtree_loop().
1141 */
1142 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1143 {
1144 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1145 func);
1146 }
1147
1148 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1149 {
1150 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1151 struct osl_row *row;
1152
1153 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1154 return row;
1155 }
1156
1157 enum aft_row_offsets {
1158 AFTROW_AFHI_OFFSET_POS = 0,
1159 AFTROW_CHUNKS_OFFSET_POS = 2,
1160 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1161 AFTROW_FLAGS_OFFSET = 5,
1162 AFTROW_HASH_OFFSET = 9,
1163 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1164 };
1165
1166 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1167 * In this case, afhi won't be stored in the buffer */
1168 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1169 struct audio_format_info *afhi, uint32_t flags,
1170 uint8_t audio_format_num, struct osl_object *obj)
1171 {
1172 size_t path_len = strlen(path) + 1;
1173 size_t afhi_size = sizeof_afhi_buf(afhi);
1174 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1175 + sizeof_chunk_info_buf(afhi);
1176 char *buf = para_malloc(size);
1177 uint16_t pos;
1178
1179 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1180 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1181
1182 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1183 strcpy(buf + AFTROW_PATH_OFFSET, path);
1184
1185 pos = AFTROW_PATH_OFFSET + path_len;
1186 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1187 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1188 pos + afhi_size - 1);
1189 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1190 save_afhi(afhi, buf + pos);
1191
1192 pos += afhi_size;
1193 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1194 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1195 save_chunk_info(afhi, buf + pos);
1196 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1197 obj->data = buf;
1198 obj->size = size;
1199 }
1200
1201 /*
1202 input:
1203 ~~~~~~
1204 HS: hash sister
1205 PB: path brother
1206 F: force flag given
1207
1208 output:
1209 ~~~~~~~
1210 AFHI: whether afhi and chunk table are computed and sent
1211 ACTION: table modifications to be performed
1212
1213 +---+----+-----+------+---------------------------------------------------+
1214 | HS | PB | F | AFHI | ACTION
1215 +---+----+-----+------+---------------------------------------------------+
1216 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1217 | | update path, keep afsi
1218 +---+----+-----+------+---------------------------------------------------+
1219 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1220 | | otherwise: remove PB, HS: update path, keep afhi,
1221 | | afsi.
1222 +---+----+-----+------+---------------------------------------------------+
1223 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1224 | | HS, keep afsi
1225 +---+----+-----+------+---------------------------------------------------+
1226 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1227 +---+----+-----+------+---------------------------------------------------+
1228 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1229 | | (force has no effect)
1230 +---+----+-----+------+---------------------------------------------------+
1231 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1232 +---+----+-----+------+---------------------------------------------------+
1233 | N | N | Y | Y | (new file) create new entry (force has no effect)
1234 +---+----+-----+------+---------------------------------------------------+
1235 | N | N | N | Y | (new file) create new entry
1236 +---+----+-----+------+---------------------------------------------------+
1237
1238 afhi <=> force or no HS
1239
1240 */
1241
1242
1243 #define ADD_FLAG_LAZY 1
1244 #define ADD_FLAG_FORCE 2
1245 #define ADD_FLAG_VERBOSE 4
1246
1247 /* TODO: change log messages so that they get written to the result buffer */
1248
1249 static int com_add_callback(const struct osl_object *query,
1250 __a_unused struct osl_object *result)
1251 {
1252 char *buf = query->data, *path;
1253 struct osl_row *pb, *aft_row;
1254 const struct osl_row *hs;
1255 struct osl_object objs[NUM_AFT_COLUMNS];
1256 HASH_TYPE *hash;
1257 char asc[2 * HASH_SIZE + 1];
1258 int ret;
1259 char afsi_buf[AFSI_SIZE];
1260 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1261 struct afs_info default_afsi = {.last_played = 0};
1262
1263 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1264 hash_to_asc(hash, asc);;
1265 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1266 objs[AFTCOL_HASH].size = HASH_SIZE;
1267
1268 path = buf + AFTROW_PATH_OFFSET;
1269 objs[AFTCOL_PATH].data = path;
1270 objs[AFTCOL_PATH].size = strlen(path) + 1;
1271
1272 PARA_INFO_LOG("request to add %s\n", path);
1273 hs = find_hash_sister(hash);
1274 ret = aft_get_row_of_path(path, &pb);
1275 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1276 return ret;
1277 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1278 if (flags & ADD_FLAG_VERBOSE)
1279 PARA_NOTICE_LOG("ignoring duplicate %p\n", path);
1280 return 1;
1281 }
1282 if (hs && hs != pb) {
1283 struct osl_object obj;
1284 if (pb) { /* hs trumps pb, remove pb */
1285 if (flags & ADD_FLAG_VERBOSE)
1286 PARA_NOTICE_LOG("removing path brother\n");
1287 ret = osl_del_row(audio_file_table, pb);
1288 if (ret < 0)
1289 return ret;
1290 pb = NULL;
1291 }
1292 /* file rename, update hs' path */
1293 ret = osl_get_object(audio_file_table, hs, AFTCOL_PATH, &obj);
1294 if (flags & ADD_FLAG_VERBOSE)
1295 PARA_NOTICE_LOG("rename %s -> %s\n", (char *)obj.data, path);
1296 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1297 &objs[AFTCOL_PATH]);
1298 if (ret < 0)
1299 return ret;
1300 if (!(flags & ADD_FLAG_FORCE))
1301 return ret;
1302 }
1303 /* no hs or force mode, child must have sent afhi */
1304 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1305 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1306
1307 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1308 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1309 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1310 return -E_NO_AFHI;
1311 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1312 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1313 if (pb && !hs) { /* update pb's hash */
1314 char old_asc[2 * HASH_SIZE + 1];
1315 HASH_TYPE *old_hash;
1316 ret = get_hash_of_row(pb, &old_hash);
1317 if (ret < 0)
1318 return ret;
1319 hash_to_asc(old_hash, old_asc);
1320 if (flags & ADD_FLAG_VERBOSE)
1321 PARA_NOTICE_LOG("file change: %s %s -> %s\n", path,
1322 old_asc, asc);
1323 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1324 &objs[AFTCOL_HASH]);
1325 if (ret < 0)
1326 return ret;
1327 }
1328 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1329 const void *row = pb? pb : hs;
1330 /* update afhi and chunk_table */
1331 if (flags & ADD_FLAG_VERBOSE)
1332 PARA_DEBUG_LOG("updating audio format handler info (%zd bytes)\n",
1333 objs[AFTCOL_AFHI].size);
1334 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1335 &objs[AFTCOL_AFHI]);
1336 if (ret < 0)
1337 return ret;
1338 if (flags & ADD_FLAG_VERBOSE)
1339 PARA_DEBUG_LOG("updating chunk table\n");
1340 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1341 &objs[AFTCOL_CHUNKS]);
1342 if (ret < 0)
1343 return ret;
1344 return mood_update_audio_file(row, NULL);
1345 }
1346 /* new entry, use default afsi */
1347 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1348 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1349
1350 objs[AFTCOL_AFSI].data = &afsi_buf;
1351 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1352 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1353 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1354 if (ret < 0)
1355 return ret;
1356 return mood_update_audio_file(aft_row, NULL);
1357 }
1358
1359 struct private_add_data {
1360 int fd;
1361 uint32_t flags;
1362 };
1363
1364 static int path_brother_callback(const struct osl_object *query,
1365 struct osl_object *result)
1366 {
1367 char *path = query->data;
1368 struct osl_row *path_brother;
1369 int ret = aft_get_row_of_path(path, &path_brother);
1370 if (ret < 0)
1371 return ret;
1372 result->data = para_malloc(sizeof(path_brother));
1373 result->size = sizeof(path_brother);
1374 *(struct osl_row **)(result->data) = path_brother;
1375 return 1;
1376 }
1377
1378 static int hash_sister_callback(const struct osl_object *query,
1379 struct osl_object *result)
1380 {
1381 HASH_TYPE *hash = query->data;
1382 struct osl_row *hash_sister;
1383
1384 hash_sister = find_hash_sister(hash);
1385 if (!hash_sister)
1386 return -E_RB_KEY_NOT_FOUND;
1387 result->data = para_malloc(sizeof(hash_sister));
1388 result->size = sizeof(hash_sister);
1389 *(struct osl_row **)(result->data) = hash_sister;
1390 return 1;
1391 }
1392
1393 static int add_one_audio_file(const char *arg, const void *private_data)
1394 {
1395 int ret;
1396 uint8_t format_num = -1;
1397 const struct private_add_data *pad = private_data;
1398 struct audio_format_info afhi, *afhi_ptr = NULL;
1399 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1400 struct osl_object map, obj = {.data = NULL}, query, result;
1401 char *path = NULL;
1402 HASH_TYPE hash[HASH_SIZE];
1403
1404 afhi.header_offset = 0;
1405 afhi.header_len = 0;
1406 ret = verify_path(arg, &path);
1407 if (ret < 0)
1408 goto out_free;
1409 query.data = path;
1410 query.size = strlen(path) + 1;
1411 ret = send_callback_request(path_brother_callback, &query, &result);
1412 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1413 goto out_free;
1414 if (ret >= 0) {
1415 pb = *(struct osl_row **)result.data;
1416 free(result.data);
1417 }
1418 ret = 1;
1419 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1420 if (pad->flags & ADD_FLAG_VERBOSE)
1421 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1422 goto out_free;
1423 }
1424 /* We still want to add this file. Compute its hash. */
1425 ret = mmap_full_file(path, O_RDONLY, &map);
1426 if (ret < 0)
1427 goto out_free;
1428 hash_function(map.data, map.size, hash);
1429
1430 /* Check whether database contains file with the same hash. */
1431 query.data = hash;
1432 query.size = HASH_SIZE;
1433 ret = send_callback_request(hash_sister_callback, &query, &result);
1434 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1435 goto out_free;
1436 if (ret >= 0) {
1437 hs = *(struct osl_row **)result.data;
1438 free(result.data);
1439 }
1440 /* Return success if we already know this file. */
1441 ret = 1;
1442 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1443 if (pad->flags & ADD_FLAG_VERBOSE)
1444 ret = send_va_buffer(pad->fd,
1445 "not forcing update: %s\n", path);
1446 goto out_unmap;
1447 }
1448 /*
1449 * we won't recalculate the audio format info and the chunk table if
1450 * there is a hash sister unless in FORCE mode.
1451 */
1452 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1453 ret = compute_afhi(path, map.data, map.size, &afhi);
1454 if (ret < 0)
1455 goto out_unmap;
1456 format_num = ret;
1457 afhi_ptr = &afhi;
1458 }
1459 if (pad->flags & ADD_FLAG_VERBOSE)
1460 send_va_buffer(pad->fd, "adding %s\n", path);
1461 munmap(map.data, map.size);
1462 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1463 /* Ask afs to consider this entry for adding. */
1464 ret = send_callback_request(com_add_callback, &obj, NULL);
1465 goto out_free;
1466
1467 out_unmap:
1468 munmap(map.data, map.size);
1469 out_free:
1470 if (ret < 0)
1471 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path?
1472 path : arg, PARA_STRERROR(-ret));
1473 free(obj.data);
1474 free(path);
1475 if (afhi_ptr)
1476 free(afhi_ptr->chunk_table);
1477 return 1; /* it's not an error if not all files could be added */
1478 }
1479
1480 int com_add(int fd, int argc, char * const * const argv)
1481 {
1482 int i, ret;
1483 struct private_add_data pad = {.fd = fd, .flags = 0};
1484 struct stat statbuf;
1485
1486 for (i = 1; i < argc; i++) {
1487 const char *arg = argv[i];
1488 if (arg[0] != '-')
1489 break;
1490 if (!strcmp(arg, "--")) {
1491 i++;
1492 break;
1493 }
1494 if (!strcmp(arg, "-l")) {
1495 pad.flags |= ADD_FLAG_LAZY;
1496 continue;
1497 }
1498 if (!strcmp(arg, "-f")) {
1499 pad.flags |= ADD_FLAG_FORCE;
1500 continue;
1501 }
1502 if (!strcmp(arg, "-v")) {
1503 pad.flags |= ADD_FLAG_VERBOSE;
1504 continue;
1505 }
1506 }
1507 if (argc <= i)
1508 return -E_AFT_SYNTAX;
1509 for (; i < argc; i++) {
1510 char *path = para_strdup(argv[i]);
1511 size_t len = strlen(path);
1512 while (len > 1 && path[--len] == '/')
1513 path[len] = '\0';
1514 ret = stat(path, &statbuf);
1515 if (ret < 0)
1516 PARA_NOTICE_LOG("failed to stat %s (%s)", path,
1517 strerror(errno));
1518 else
1519 if (S_ISDIR(statbuf.st_mode))
1520 for_each_file_in_dir(path, add_one_audio_file,
1521 &pad);
1522 else
1523 add_one_audio_file(path, &pad);
1524 free(path);
1525 }
1526 ret = 1;
1527 return ret;
1528
1529 }
1530
1531 struct com_touch_options {
1532 long num_played;
1533 long last_played;
1534 long lyrics_id;
1535 long image_id;
1536 };
1537
1538 static int com_touch_callback(const struct osl_object *query,
1539 __a_unused struct osl_object *result)
1540 {
1541 struct com_touch_options *cto = query->data;
1542 char *p = (char *)query->data + sizeof(*cto);
1543 size_t len;
1544 int ret, no_options = cto->num_played < 0 && cto->last_played < 0 &&
1545 cto->lyrics_id < 0 && cto->image_id < 0;
1546
1547 for (;p < (char *)query->data + query->size; p += len + 1) {
1548 struct afs_info old_afsi, new_afsi;
1549 struct osl_object obj;
1550 struct osl_row *row;
1551
1552 len = strlen(p);
1553 ret = aft_get_row_of_path(p, &row);
1554 if (ret < 0)
1555 return ret;
1556 ret = get_afsi_object_of_row(row, &obj);
1557 if (ret < 0)
1558 return ret;
1559 ret = load_afsi(&old_afsi, &obj);
1560 if (ret < 0)
1561 return ret;
1562 new_afsi = old_afsi;
1563 if (no_options) {
1564 new_afsi.num_played++;
1565 new_afsi.last_played = time(NULL);
1566 } else {
1567 if (cto->lyrics_id >= 0)
1568 new_afsi.lyrics_id = cto->lyrics_id;
1569 if (cto->image_id >= 0)
1570 new_afsi.image_id = cto->image_id;
1571 if (cto->num_played >= 0)
1572 new_afsi.num_played = cto->num_played;
1573 if (cto->last_played >= 0)
1574 new_afsi.last_played = cto->last_played;
1575 }
1576 save_afsi(&new_afsi, &obj); /* in-place update */
1577 ret = mood_update_audio_file(row, &old_afsi);
1578 if (ret < 0)
1579 return ret;
1580 }
1581 return 1;
1582 }
1583
1584 int com_touch(__a_unused int fd, int argc, char * const * const argv)
1585 {
1586 struct com_touch_options cto = {
1587 .num_played = -1,
1588 .last_played = -1,
1589 .lyrics_id = -1,
1590 .image_id = -1
1591 };
1592 struct osl_object options = {.data = &cto, .size = sizeof(cto)};
1593 int i, ret;
1594
1595
1596 for (i = 1; i < argc; i++) {
1597 const char *arg = argv[i];
1598 if (arg[0] != '-')
1599 break;
1600 if (!strcmp(arg, "--")) {
1601 i++;
1602 break;
1603 }
1604 if (!strncmp(arg, "-n", 2)) {
1605 ret = para_atol(arg + 2, &cto.num_played);
1606 if (ret < 0)
1607 goto err;
1608 continue;
1609 }
1610 if (!strncmp(arg, "-l", 2)) {
1611 ret = para_atol(arg + 2, &cto.last_played);
1612 if (ret < 0)
1613 goto err;
1614 continue;
1615 }
1616 if (!strncmp(arg, "-y", 2)) {
1617 ret = para_atol(arg + 2, &cto.lyrics_id);
1618 if (ret < 0)
1619 goto err;
1620 continue;
1621 }
1622 if (!strncmp(arg, "-i", 2)) {
1623 ret = para_atol(arg + 2, &cto.image_id);
1624 if (ret < 0)
1625 goto err;
1626 continue;
1627 }
1628 }
1629 ret = -E_AFT_SYNTAX;
1630 if (i >= argc)
1631 goto err;
1632 return send_option_arg_callback_request(&options, argc - i,
1633 argv + i, com_touch_callback, NULL);
1634 err:
1635 return ret;
1636 }
1637
1638 struct com_rm_options {
1639 uint32_t flags;
1640 };
1641
1642 static int com_rm_callback(const struct osl_object *query,
1643 __a_unused struct osl_object *result)
1644 {
1645 struct com_rm_options *cro = query->data;
1646 char *p = (char *)query->data + sizeof(*cro);
1647 size_t len;
1648 int ret;
1649
1650 for (;p < (char *)query->data + query->size; p += len + 1) {
1651 struct osl_row *row;
1652
1653 len = strlen(p);
1654 ret = aft_get_row_of_path(p, &row);
1655 if (ret < 0)
1656 return ret;
1657 ret = mood_delete_audio_file(row);
1658 if (ret < 0)
1659 return ret;
1660 ret = osl_del_row(audio_file_table, row);
1661 if (ret < 0)
1662 return ret;
1663 }
1664 return 1;
1665 }
1666
1667 /*
1668 * TODO options: -v verbose, -f dont stop if file not found
1669 * -h remove by hash, use fnmatch
1670 *
1671 * */
1672
1673 int com_afs_rm(__a_unused int fd, int argc, char * const * const argv)
1674 {
1675 struct com_rm_options cro = {.flags = 0};
1676 struct osl_object options = {.data = &cro, .size = sizeof(cro)};
1677 int i, ret;
1678
1679 for (i = 1; i < argc; i++) {
1680 const char *arg = argv[i];
1681 if (arg[0] != '-')
1682 break;
1683 if (!strcmp(arg, "--")) {
1684 i++;
1685 break;
1686 }
1687 }
1688 ret = -E_AFT_SYNTAX;
1689 if (i >= argc)
1690 goto err;
1691 return send_option_arg_callback_request(&options, argc - i,
1692 argv + i, com_rm_callback, NULL);
1693 err:
1694 return ret;
1695 }
1696
1697 /**
1698 * Close the audio file table.
1699 *
1700 * \param flags Ususal flags that are passed to osl_close_table().
1701 *
1702 * \sa osl_close_table().
1703 */
1704 void aft_shutdown(enum osl_close_flags flags)
1705 {
1706 osl_close_table(audio_file_table, flags);
1707 }
1708
1709 /**
1710 * Open the audio file table.
1711 *
1712 * \param ti Gets initialized by this function.
1713 * \param db The database directory.
1714 *
1715 * \return Positive on success, negative on errors.
1716 *
1717 * \sa osl_open_table().
1718 */
1719 int aft_init(struct table_info *ti, const char *db)
1720 {
1721 int ret;
1722
1723 audio_file_table_desc.dir = db;
1724 ti->desc = &audio_file_table_desc;
1725 ret = osl_open_table(ti->desc, &ti->table);
1726 if (ret >= 0) {
1727 unsigned num;
1728 audio_file_table = ti->table;
1729 osl_get_num_rows(audio_file_table, &num);
1730 PARA_INFO_LOG("audio file table contains %d files\n", num);
1731 return ret;
1732 }
1733 PARA_INFO_LOG("failed to open audio file table\n");
1734 audio_file_table = NULL;
1735 return ret == -E_NOENT? 1 : ret;
1736 }