9 int mp3_get_file_info(char *map, size_t numbytes,
10 struct audio_format_info *afi); /* FXIME */
12 #define AFS_AUDIO_FILE_DIR "/home/mp3"
14 static void *audio_file_table;
17 * Describes the structure of the mmapped-afs info struct.
19 * \sa struct afs_info.
22 /** Where .last_played is stored. */
23 AFSI_LAST_PLAYED_OFFSET = 0,
24 /** Storage position of the attributes bitmap. */
25 AFSI_ATTRIBUTES_OFFSET = 8,
26 /** Storage position of the .num_played field. */
27 AFSI_NUM_PLAYED_OFFSET = 16,
28 /** Storage position of the .image_id field. */
29 AFSI_IMAGE_ID_OFFSET = 20,
30 /** Storage position of the .lyrics_id field. */
31 AFSI_LYRICS_ID_OFFSET = 24,
32 /** Storage position of the .audio_format_id field. */
33 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
34 /** On-disk storage space needed. */
39 * Convert a struct afs_info to an osl object.
41 * \param afsi Pointer to the audio file info to be converted.
42 * \param obj Result pointer.
46 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
48 struct afs_info default_afs_info = {
49 .last_played = time(NULL) - 365 * 24 * 60 * 60,
54 .audio_format_id = 5, /* FIXME */
56 char *buf = obj->data;
59 afsi = &default_afs_info;
61 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
62 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
63 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
64 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
65 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
66 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
67 afsi->audio_format_id);
71 * Get the audio file selector info struct stored in an osl object.
73 * \param afsi Points to the audio_file info structure to be filled in.
74 * \param obj The osl object holding the data.
76 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
80 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
82 char *buf = obj->data;
83 if (obj->size < AFSI_SIZE)
85 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
86 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
87 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
88 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
89 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
90 afsi->audio_format_id = read_u8(buf +
91 AFSI_AUDIO_FORMAT_ID_OFFSET);
95 /** The columns of the audio file table. */
96 enum audio_file_table_columns {
97 /** The hash on the content of the audio file. */
99 /** The full path in the filesystem. */
101 /** The audio file selector info. */
103 /** The audio format handler info. */
105 /** The chunk table info and the chunk table of the audio file. */
107 /** The number of columns of this table. */
111 static struct osl_column_description aft_cols[] = {
113 .storage_type = OSL_MAPPED_STORAGE,
114 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
116 .compare_function = osl_hash_compare,
117 .data_size = HASH_SIZE
120 .storage_type = OSL_MAPPED_STORAGE,
121 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
123 .compare_function = string_compare,
126 .storage_type = OSL_MAPPED_STORAGE,
127 .storage_flags = OSL_FIXED_SIZE,
129 .data_size = AFSI_SIZE
132 .storage_type = OSL_MAPPED_STORAGE,
136 .storage_type = OSL_DISK_STORAGE,
141 static const struct osl_table_description audio_file_table_desc = {
143 .name = "audio_files",
144 .num_columns = NUM_AFT_COLUMNS,
145 .flags = OSL_LARGE_TABLE,
146 .column_descriptions = aft_cols
149 static char *prefix_path(const char *prefix, int len, const char *path)
179 /* Remove last component of the prefix */
184 } while (len && prefix[len-1] != '/');
188 return para_strdup(path);
189 speclen = strlen(path);
190 n = para_malloc(speclen + len + 1);
191 memcpy(n, prefix, len);
192 memcpy(n + len, path, speclen+1);
197 * We fundamentally don't like some paths: we don't want
198 * dot or dot-dot anywhere.
200 * Also, we don't want double slashes or slashes at the
201 * end that can make pathnames ambiguous.
203 static int verify_dotfile(const char *rest)
206 * The first character was '.', but that has already been discarded, we
210 /* "." is not allowed */
215 if (rest[1] == '\0' || rest[1] == '/')
221 static int verify_path(const char *path, char **resolved_path)
223 const char *orig_path = path;
225 const char prefix[] = AFS_AUDIO_FILE_DIR "/";
226 const size_t prefix_len = strlen(prefix);
228 PARA_DEBUG_LOG("path: %s\n", path);
241 if (verify_dotfile(path) > 0)
244 *resolved_path = NULL;
249 if (*orig_path == '/')
250 *resolved_path = prefix_path("", 0, orig_path);
252 *resolved_path = prefix_path(prefix, prefix_len, orig_path);
253 PARA_DEBUG_LOG("resolved: %s\n", *resolved_path);
254 return *resolved_path? 1: -E_BAD_PATH;
258 AFHI_SECONDS_TOTAL_OFFSET = 0,
259 AFHI_BITRATE_OFFSET = 4,
260 AFHI_FREQUENCY_OFFSET = 8,
261 AFHI_CHANNELS_OFFSET = 12,
262 AFHI_INFO_STRING_OFFSET = 13,
266 static unsigned sizeof_afhi_buf(const struct audio_format_info *afhi)
270 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
273 static void save_afhi(struct audio_format_info *afhi, char *buf)
277 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
278 afhi->seconds_total);
279 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
280 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
281 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
282 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
283 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
286 static void load_afhi(const char *buf, struct audio_format_info *afhi)
288 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
289 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
290 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
291 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
292 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
295 static unsigned sizeof_chunk_info_buf(struct audio_format_info *afhi)
299 return 4 * afhi->chunks_total + 20;
303 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
304 enum chunk_info_offsets {
305 /** The total number of chunks (4 bytes). */
306 CHUNKS_TOTAL_OFFSET = 0,
307 /** The length of the audio file header (4 bytes). */
308 HEADER_LEN_OFFSET = 4,
309 /** The start of the audio file header (4 bytes). */
310 HEADER_OFFSET_OFFSET = 8,
311 /** The seconds part of the chunk time (4 bytes). */
312 CHUNK_TV_TV_SEC_OFFSET = 12,
313 /** The microseconds part of the chunk time (4 bytes). */
314 CHUNK_TV_TV_USEC = 16,
315 /** Chunk table entries start here. */
316 CHUNK_TABLE_OFFSET = 20,
319 /* TODO: audio format handlers could just produce this */
320 static void save_chunk_info(struct audio_format_info *afhi, char *buf)
326 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
327 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
328 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
329 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
330 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
331 for (i = 0; i < afhi->chunks_total; i++)
332 write_u32(buf + CHUNK_TABLE_OFFSET + 4 * i, afhi->chunk_table[i]);
335 static int load_chunk_info(struct osl_object *obj, struct audio_format_info *afhi)
337 char *buf = obj->data;
340 if (obj->size < CHUNK_TABLE_OFFSET)
341 return -E_BAD_DATA_SIZE;
343 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
344 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
345 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
346 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
347 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
349 if (afhi->chunks_total * 4 + CHUNK_TABLE_OFFSET > obj->size)
350 return -E_BAD_DATA_SIZE;
351 afhi->chunk_table = para_malloc(afhi->chunks_total * sizeof(size_t));
352 for (i = 0; i < afhi->chunks_total; i++)
353 afhi->chunk_table[i] = read_u32(buf + CHUNK_TABLE_OFFSET + 4 * i);
358 * Get the row of the audio file table corresponding to the given path.
360 * \param path The full path of the audio file.
361 * \param row Result pointer.
363 * \return The return value of the underlying call to osl_get_row().
365 int aft_get_row_of_path(char *path, struct osl_row **row)
367 struct osl_object obj = {.data = path, .size = strlen(path) + 1};
368 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
372 * Get the row of the audio file table corresponding to the given hash value.
374 * \param hash The hash value of the desired audio file.
375 * \param row resul pointer.
377 * \return The return value of the underlying call to osl_get_row().
379 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
381 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
382 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
386 * Get the osl object holding the audio file selector info of a row.
388 * \param row Pointer to a row in the audio file table.
389 * \param obj Result pointer.
391 * \return The return value of the underlying call to osl_get_object().
393 int get_afsi_object_of_row(const void *row, struct osl_object *obj)
395 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
399 * Get the osl object holding the audio file selector info, given a path.
402 * \param path The full path of the audio file.
403 * \param obj Result pointer.
405 * \return Positive on success, negative on errors.
407 int get_afsi_object_of_path(char *path, struct osl_object *obj)
410 int ret = aft_get_row_of_path(path, &row);
413 return get_afsi_object_of_row(row, obj);
417 * Get the audio file selector info, given a row of the audio file table.
419 * \param row Pointer to a row in the audio file table.
420 * \param afsi Result pointer.
422 * \return Positive on success, negative on errors.
424 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
426 struct osl_object obj;
427 int ret = get_afsi_object_of_row(row, &obj);
430 return load_afsi(afsi, &obj);
434 * Get the path of an audio file, given a row of the audio file table.
436 * \param row Pointer to a row in the audio file table.
437 * \param path Result pointer.
439 * \return Positive on success, negative on errors.
441 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
443 struct osl_object path_obj;
444 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
448 *path = path_obj.data;
453 * Get the object containing the hash value of an audio file, given a row.
455 * \param row Pointer to a row of the audio file table.
456 * \param obj Result pointer.
458 * \return The return value of the underlying call to osl_get_object().
460 * \sa get_hash_of_row().
462 int get_hash_object_of_aft_row(const void *row, struct osl_object *obj)
464 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
468 * Get the hash value of an audio file, given a row of the audio file table.
470 * \param row Pointer to a row of the audio file table.
471 * \param hash Result pointer.
473 * \a hash points to mapped data and must not be freed by the caller.
475 * \return The return value of the underlying call to
476 * get_hash_object_of_aft_row().
478 static int get_hash_of_row(const void *row, HASH_TYPE **hash)
480 struct osl_object obj;
481 int ret = get_hash_object_of_aft_row(row, &obj);
490 * Get the audio format handler info, given a row of the audio file table.
492 * \param row Pointer to a row of the audio file table.
493 * \param afhi Result pointer.
495 * \return The return value of the underlying call to osl_get_object().
497 * \sa get_chunk_table_of_row().
499 int get_afhi_of_row(const void *row, struct audio_format_info *afhi)
501 struct osl_object obj;
502 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
506 load_afhi(obj.data, afhi);
511 * Get the chunk table of an audio file, given a row of the audio file table.
513 * \param row Pointer to a row of the audio file table.
514 * \param afhi Result pointer.
516 * \return The return value of the underlying call to osl_open_disk_object().
518 * \sa get_afhi_of_row().
520 int get_chunk_table_of_row(const void *row, struct audio_format_info *afhi)
522 struct osl_object obj;
523 int ret = osl_open_disk_object(audio_file_table, row, AFTCOL_CHUNKS,
527 ret = load_chunk_info(&obj, afhi);
528 osl_close_disk_object(&obj);
533 * Mmap the given audio file and update statistics.
535 * \param aft_row Determines the audio file to be opened and updated.
536 * \param afd Result pointer.
538 * On success, the numplayed field of the audio file selector info is increased
539 * and the lastplayed time is set to the current time. Finally, the score of
540 * the audio file is updated.
542 * \return Positive on success, negative on errors.
544 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
546 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
547 struct osl_object afsi_obj;
548 struct afs_info new_afsi;
549 int ret = get_hash_of_row(aft_row, &aft_hash);
553 ret = get_audio_file_path_of_row(aft_row, &afd->path);
556 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
559 ret = load_afsi(&afd->afsi, &afsi_obj);
562 ret = get_afhi_of_row(aft_row, &afd->afhi);
565 ret = get_chunk_table_of_row(aft_row, &afd->afhi);
568 ret = mmap_full_file(afd->path, O_RDONLY, &afd->map);
571 hash_function(afd->map.data, afd->map.size, file_hash);
572 ret = -E_HASH_MISMATCH;
573 if (hash_compare(file_hash, aft_hash))
575 new_afsi = afd->afsi;
576 new_afsi.num_played++;
577 new_afsi.last_played = time(NULL);
578 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
579 if (afd->current_play_mode == PLAY_MODE_PLAYLIST)
580 ret = playlist_update_audio_file(aft_row);
582 ret = mood_update_audio_file(aft_row, &afd->afsi);
585 free(afd->afhi.chunk_table);
591 static int get_local_time(uint64_t *seconds, char *buf, size_t size)
595 if (!localtime_r((time_t *)seconds, &t))
597 if (*seconds + 6 * 30 * 24 * 3600 > now) {
598 if (!strftime(buf, size, "%b %e %k:%M", &t))
602 if (!strftime(buf, size, "%b %e %Y", &t))
607 #define GET_NUM_DIGITS(x, num) { \
608 typeof((x)) _tmp = PARA_ABS(x); \
611 while ((_tmp) > 9) { \
617 static short unsigned get_duration(int seconds_total, char *buf, short unsigned max_width)
619 short unsigned width;
620 int s = seconds_total;
621 unsigned hours = s / 3600, mins = (s % 3600) / 60, secs = s % 60;
623 if (s < 3600) { /* less than one hour => m:ss or mm:ss */
624 GET_NUM_DIGITS(mins, &width); /* 1 or 2 */
625 width += 3; /* 4 or 5 */
627 sprintf(buf, "%*u:%02u", max_width - width + 1, mins, secs);
630 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
631 GET_NUM_DIGITS(hours, &width);
634 sprintf(buf, "%*u:%02u:%02u", max_width - width + 1, hours, mins, secs);
638 static char *make_attribute_line(const char *att_bitmap, struct afs_info *afsi)
640 char *att_text, *att_line;
642 get_attribute_text(&afsi->attributes, " ", &att_text);
644 return para_strdup(att_bitmap);
645 att_line = make_message("%s (%s)", att_bitmap, att_text);
650 static char *make_lyrics_line(struct afs_info *afsi)
653 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
655 return make_message("%u", afsi->lyrics_id);
656 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
659 static char *make_image_line(struct afs_info *afsi)
662 img_get_name_by_id(afsi->image_id, &image_name);
664 return make_message("%u", afsi->image_id);
665 return make_message("%u (%s)", afsi->image_id, image_name);
668 static int print_list_item(struct ls_data *d, struct ls_options *opts,
669 struct para_buffer *b)
673 char last_played_time[30];
674 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
675 char score_buf[30] = "";
676 struct afs_info *afsi = &d->afsi;
677 struct audio_format_info *afhi = &d->afhi;
678 struct ls_widths *w = &opts->widths;
679 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
681 if (opts->mode == LS_MODE_SHORT) {
682 para_printf(b, "%s\n", d->path);
685 get_attribute_bitmap(&afsi->attributes, att_buf);
686 ret = get_local_time(&afsi->last_played, last_played_time,
687 sizeof(last_played_time));
690 get_duration(afhi->seconds_total, duration_buf, w->duration_width);
692 if (opts->mode == LS_MODE_LONG)
693 sprintf(score_buf, "%*li ", w->score_width, d->score);
695 sprintf(score_buf, "%li ", d->score);
698 if (opts->mode == LS_MODE_LONG) {
701 "%s " /* attributes */
702 "%*d " /* image_id */
703 "%*d " /* lyrics_id */
705 "%s " /* audio format */
706 "%*d " /* frequency */
709 "%*d " /* num_played */
710 "%s " /* last_played */
714 w->image_id_width, afsi->image_id,
715 w->lyrics_id_width, afsi->lyrics_id,
716 w->bitrate_width, afhi->bitrate,
718 w->frequency_width, afhi->frequency,
721 w->num_played_width, afsi->num_played,
727 if (opts->mode == LS_MODE_VERBOSE) {
728 char asc_hash[2 * HASH_SIZE + 1];
729 char *att_line, *lyrics_line, *image_line;
731 hash_to_asc(d->hash, asc_hash);
732 att_line = make_attribute_line(att_buf, afsi);
733 lyrics_line = make_lyrics_line(afsi);
734 image_line = make_image_line(afsi);
736 "%s: %s\n" /* path */
742 "bitrate: %dkbit/s\n"
748 "last_played: %s\n\n",
749 (opts->flags & LS_FLAG_FULL_PATH)?
750 "path" : "file", d->path,
751 have_score? "score: " : "", score_buf,
752 have_score? "\n" : "",
773 static int ls_audio_format_compare(const void *a, const void *b)
775 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
776 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
779 static int ls_duration_compare(const void *a, const void *b)
781 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
782 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
785 static int ls_bitrate_compare(const void *a, const void *b)
787 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
788 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
791 static int ls_lyrics_id_compare(const void *a, const void *b)
793 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
794 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
797 static int ls_image_id_compare(const void *a, const void *b)
799 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
800 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
803 static int ls_channels_compare(const void *a, const void *b)
805 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
806 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
809 static int ls_frequency_compare(const void *a, const void *b)
811 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
812 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
815 static int ls_num_played_compare(const void *a, const void *b)
817 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
818 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
821 static int ls_last_played_compare(const void *a, const void *b)
823 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
824 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
827 static int ls_score_compare(const void *a, const void *b)
829 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
830 return NUM_COMPARE(d1->score, d2->score);
833 static int ls_path_compare(const void *a, const void *b)
835 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
836 return strcmp(d1->path, d2->path);
839 static int sort_matching_paths(struct ls_options *options)
841 size_t nmemb = options->num_matching_paths;
842 size_t size = sizeof(uint32_t);
843 int (*compar)(const void *, const void *);
846 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
847 for (i = 0; i < nmemb; i++)
848 options->data_ptr[i] = options->data + i;
850 /* In these cases the array is already sorted */
851 if (options->sorting == LS_SORT_BY_PATH
852 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
853 && (options->flags & LS_FLAG_FULL_PATH))
855 if (options->sorting == LS_SORT_BY_SCORE &&
856 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
859 switch (options->sorting) {
860 case LS_SORT_BY_PATH:
861 compar = ls_path_compare; break;
862 case LS_SORT_BY_SCORE:
863 compar = ls_score_compare; break;
864 case LS_SORT_BY_LAST_PLAYED:
865 compar = ls_last_played_compare; break;
866 case LS_SORT_BY_NUM_PLAYED:
867 compar = ls_num_played_compare; break;
868 case LS_SORT_BY_FREQUENCY:
869 compar = ls_frequency_compare; break;
870 case LS_SORT_BY_CHANNELS:
871 compar = ls_channels_compare; break;
872 case LS_SORT_BY_IMAGE_ID:
873 compar = ls_image_id_compare; break;
874 case LS_SORT_BY_LYRICS_ID:
875 compar = ls_lyrics_id_compare; break;
876 case LS_SORT_BY_BITRATE:
877 compar = ls_bitrate_compare; break;
878 case LS_SORT_BY_DURATION:
879 compar = ls_duration_compare; break;
880 case LS_SORT_BY_AUDIO_FORMAT:
881 compar = ls_audio_format_compare; break;
885 qsort(options->data_ptr, nmemb, size, compar);
889 /* row is either an aft_row or a row of the score table */
890 /* TODO: Only compute widths if we need them */
891 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
894 struct ls_options *options = ls_opts;
897 unsigned short num_digits;
899 struct osl_row *aft_row;
903 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
904 ret = get_score_and_aft_row(row, &score, &aft_row);
909 ret = get_audio_file_path_of_row(aft_row, &path);
912 if (!(options->flags & LS_FLAG_FULL_PATH)) {
913 char *p = strrchr(path, '/');
917 if (options->num_patterns) {
918 for (i = 0; i < options->num_patterns; i++) {
919 ret = fnmatch(options->patterns[i], path, FNM_PATHNAME);
922 if (ret == FNM_NOMATCH)
926 if (i >= options->num_patterns) /* no match */
929 tmp = options->num_matching_paths++;
930 if (options->num_matching_paths > options->array_size) {
931 options->array_size++;
932 options->array_size *= 2;
933 options->data = para_realloc(options->data, options->array_size
934 * sizeof(*options->data));
936 d = options->data + tmp;
937 ret = get_afsi_of_row(aft_row, &d->afsi);
940 ret = get_afhi_of_row(aft_row, &d->afhi);
944 ret = get_hash_of_row(aft_row, &d->hash);
947 w = &options->widths;
948 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
949 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
950 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
951 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
952 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
953 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
954 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
955 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
956 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
957 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
958 /* just get the number of chars to print this amount of time */
959 tmp = get_duration(d->afhi.seconds_total, NULL, 0);
960 w->duration_width = PARA_MAX(w->duration_width, tmp);
961 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
962 GET_NUM_DIGITS(score, &num_digits);
963 num_digits++; /* add one for the sign (space or "-") */
964 w->score_width = PARA_MAX(w->score_width, num_digits);
970 static int com_ls_callback(const struct osl_object *query,
971 struct osl_object *ls_output)
973 struct ls_options *opts = query->data;
974 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
975 struct para_buffer b = {.buf = NULL, .size = 0};
978 PARA_NOTICE_LOG("%d patterns\n", opts->num_patterns);
979 if (opts->num_patterns) {
980 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
981 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
982 opts->patterns[i] = p;
984 PARA_NOTICE_LOG("pattern %d: %s\n", i, opts->patterns[i]);
987 opts->patterns = NULL;
988 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
989 ret = admissible_file_loop(opts, prepare_ls_row);
991 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
995 ret = opts->num_patterns? -E_NO_MATCH : 1;
996 if (!opts->num_matching_paths) {
997 PARA_NOTICE_LOG("no match, ret: %d\n", ret);
1000 ret = sort_matching_paths(opts);
1003 if (opts->flags & LS_FLAG_REVERSE)
1004 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1005 ret = print_list_item(opts->data_ptr[i], opts, &b);
1010 for (i = 0; i < opts->num_matching_paths; i++) {
1011 ret = print_list_item(opts->data_ptr[i], opts, &b);
1017 ls_output->data = b.buf;
1018 ls_output->size = b.size;
1020 free(opts->data_ptr);
1021 free(opts->patterns);
1026 * TODO: flags -h (sort by hash)
1028 * long list: list hash, attributes as (xx--x-x-), file size, lastplayed
1029 * full list: list everything, including afsi, afhi, atts as clear text
1032 int com_afs_ls(__a_unused int fd, int argc, const char **argv)
1036 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1037 enum ls_listing_mode mode = LS_MODE_SHORT;
1038 struct ls_options opts = {.patterns = NULL};
1039 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1042 for (i = 1; i < argc; i++) {
1043 const char *arg = argv[i];
1046 if (!strcmp(arg, "--")) {
1050 if (!strncmp(arg, "-l", 2)) {
1052 mode = LS_MODE_LONG;
1056 return -E_AFT_SYNTAX;
1057 switch(*(arg + 2)) {
1059 mode = LS_MODE_SHORT;
1062 mode = LS_MODE_LONG;
1065 mode = LS_MODE_VERBOSE;
1068 mode = LS_MODE_MBOX;
1071 return -E_AFT_SYNTAX;
1074 if (!strcmp(arg, "-p")) {
1075 flags |= LS_FLAG_FULL_PATH;
1078 if (!strcmp(arg, "-a")) {
1079 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1082 if (!strcmp(arg, "-r")) {
1083 flags |= LS_FLAG_REVERSE;
1086 if (!strncmp(arg, "-s", 2)) {
1087 if (!*(arg + 2) || *(arg + 3))
1088 return -E_AFT_SYNTAX;
1089 switch(*(arg + 2)) {
1091 sort = LS_SORT_BY_PATH;
1093 case 's': /* -ss implies -a */
1094 sort = LS_SORT_BY_SCORE;
1095 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1098 sort = LS_SORT_BY_LAST_PLAYED;
1101 sort = LS_SORT_BY_NUM_PLAYED;
1104 sort = LS_SORT_BY_FREQUENCY;
1107 sort = LS_SORT_BY_CHANNELS;
1110 sort = LS_SORT_BY_IMAGE_ID;
1113 sort = LS_SORT_BY_LYRICS_ID;
1116 sort = LS_SORT_BY_BITRATE;
1119 sort = LS_SORT_BY_DURATION;
1122 sort = LS_SORT_BY_AUDIO_FORMAT;
1125 return -E_AFT_SYNTAX;
1128 return -E_AFT_SYNTAX;
1132 opts.sorting = sort;
1134 opts.num_patterns = argc - i;
1135 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1136 argv + i, com_ls_callback, &ls_output);
1137 if (ret >= 0 && ls_output.data) {
1138 printf("%s\n", (char *)ls_output.data);
1139 free(ls_output.data);
1145 * Call the given function for each file in the audio file table.
1147 * \param private_data An arbitrary data pointer, passed to \a func.
1148 * \param func The custom function to be called.
1150 * \return The return value of the underlying call to osl_rbtree_loop().
1152 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1154 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1158 static void *find_hash_sister(HASH_TYPE *hash)
1160 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1161 struct osl_row *row;
1163 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1167 #define AFTROW_HEADER_SIZE 4
1169 enum aft_row_offsets {
1170 AFTROW_AFHI_OFFSET_POS = 0,
1171 AFTROW_CHUNKS_OFFSET_POS = 2,
1172 AFTROW_HASH_OFFSET = AFTROW_HEADER_SIZE,
1173 AFTROW_FLAGS_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1174 AFTROW_PATH_OFFSET = (AFTROW_FLAGS_OFFSET + 4)
1177 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1178 * In this case, afhi won't be stored in the buffer */
1179 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1180 struct audio_format_info *afhi,
1181 uint32_t flags, struct osl_object *obj)
1183 size_t path_len = strlen(path) + 1;
1184 size_t afhi_size = sizeof_afhi_buf(afhi);
1185 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1186 + sizeof_chunk_info_buf(afhi);
1187 char *buf = para_malloc(size);
1190 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1191 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1192 strcpy(buf + AFTROW_PATH_OFFSET, path);
1194 pos = AFTROW_PATH_OFFSET + path_len;
1195 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1196 PARA_DEBUG_LOG("last afhi byte: %p, pos %d\n", buf + pos + afhi_size - 1,
1197 pos + afhi_size - 1);
1198 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1199 save_afhi(afhi, buf + pos);
1202 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1203 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1204 save_chunk_info(afhi, buf + pos);
1205 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1219 AFHI: whether afhi and chunk table are computed and sent
1220 ACTION: table modifications to be performed
1222 +---+----+-----+------+---------------------------------------------------+
1223 | HS | PB | F | AFHI | ACTION
1224 +---+----+-----+------+---------------------------------------------------+
1225 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1226 | | update path, keep afsi
1227 +---+----+-----+------+---------------------------------------------------+
1228 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1229 | | otherwise: remove PB, HS: update path, keep afhi,
1231 +---+----+-----+------+---------------------------------------------------+
1232 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1234 +---+----+-----+------+---------------------------------------------------+
1235 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1236 +---+----+-----+------+---------------------------------------------------+
1237 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1238 | | (force has no effect)
1239 +---+----+-----+------+---------------------------------------------------+
1240 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1241 +---+----+-----+------+---------------------------------------------------+
1242 | N | N | Y | Y | (new file) create new entry (force has no effect)
1243 +---+----+-----+------+---------------------------------------------------+
1244 | N | N | N | Y | (new file) create new entry
1245 +---+----+-----+------+---------------------------------------------------+
1247 afhi <=> force or no HS
1252 #define ADD_FLAG_LAZY 1
1253 #define ADD_FLAG_FORCE 2
1254 #define ADD_FLAG_VERBOSE 4
1256 static int com_add_callback(const struct osl_object *query,
1257 __a_unused struct osl_object *result)
1259 char *buf = query->data, *path;
1260 struct osl_row *pb, *aft_row;
1261 const struct osl_row *hs;
1262 struct osl_object objs[NUM_AFT_COLUMNS];
1264 char asc[2 * HASH_SIZE + 1];
1266 char afsi_buf[AFSI_SIZE];
1267 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1269 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1270 hash_to_asc(hash, asc);;
1271 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1272 objs[AFTCOL_HASH].size = HASH_SIZE;
1274 path = buf + AFTROW_PATH_OFFSET;
1275 objs[AFTCOL_PATH].data = path;
1276 objs[AFTCOL_PATH].size = strlen(path) + 1;
1278 PARA_DEBUG_LOG("request to add %s with hash %s\n", path, asc);
1279 hs = find_hash_sister(hash);
1280 ret = aft_get_row_of_path(path, &pb);
1281 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1283 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1284 if (flags & ADD_FLAG_VERBOSE)
1285 PARA_NOTICE_LOG("ignoring duplicate %p\n", path);
1288 if (hs && hs != pb) {
1289 struct osl_object obj;
1290 if (pb) { /* hs trumps pb, remove pb */
1291 if (flags & ADD_FLAG_VERBOSE)
1292 PARA_NOTICE_LOG("removing path brother\n");
1293 ret = osl_del_row(audio_file_table, pb);
1298 /* file rename, update hs' path */
1299 ret = osl_get_object(audio_file_table, hs, AFTCOL_PATH, &obj);
1300 if (flags & ADD_FLAG_VERBOSE)
1301 PARA_NOTICE_LOG("rename %s -> %s\n", (char *)obj.data, path);
1302 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1303 &objs[AFTCOL_PATH]);
1306 if (!(flags & ADD_FLAG_FORCE))
1309 /* no hs or force mode, child must have sent afhi */
1310 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1311 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1313 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1314 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1315 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1317 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1318 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1319 if (pb && !hs) { /* update pb's hash */
1320 char old_asc[2 * HASH_SIZE + 1];
1321 HASH_TYPE *old_hash;
1322 ret = get_hash_of_row(pb, &old_hash);
1325 hash_to_asc(old_hash, old_asc);
1326 if (flags & ADD_FLAG_VERBOSE)
1327 PARA_NOTICE_LOG("file change: %s %s -> %s\n", path,
1329 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1330 &objs[AFTCOL_HASH]);
1334 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1335 const void *row = pb? pb : hs;
1336 /* update afhi and chunk_table */
1337 if (flags & ADD_FLAG_VERBOSE)
1338 PARA_NOTICE_LOG("updating audio format handler info (%zd bytes)\n",
1339 objs[AFTCOL_AFHI].size);
1340 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1341 &objs[AFTCOL_AFHI]);
1344 if (flags & ADD_FLAG_VERBOSE)
1345 PARA_NOTICE_LOG("updating chunk table\n");
1346 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1347 &objs[AFTCOL_CHUNKS]);
1350 ret = mood_update_audio_file(row, NULL);
1354 /* new entry, use default afsi */
1355 if (flags & ADD_FLAG_VERBOSE)
1356 PARA_NOTICE_LOG("adding %s\n", path);
1357 objs[AFTCOL_AFSI].data = &afsi_buf;
1358 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1359 save_afsi(NULL, &objs[AFTCOL_AFSI]);
1360 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1363 return mood_update_audio_file(aft_row, NULL);
1366 struct private_add_data {
1371 static int add_one_audio_file(const char *arg, const void *private_data)
1374 const struct private_add_data *pad = private_data;
1375 struct audio_format_info afhi, *afhi_ptr = NULL;
1376 struct osl_row *pb, *hs; /* path brother/hash sister */
1377 struct osl_object map, obj = {.data = NULL};
1379 HASH_TYPE hash[HASH_SIZE];
1381 afhi.header_offset = 0;
1382 afhi.header_len = 0;
1383 ret = verify_path(arg, &path);
1386 ret = aft_get_row_of_path(path, &pb);
1387 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1390 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1391 if (pad->flags & ADD_FLAG_VERBOSE)
1392 PARA_NOTICE_LOG("lazy-ignore: %s\n", path);
1395 /* we still want to add this file. Compute its hash and look it up */
1396 ret = mmap_full_file(path, O_RDONLY, &map);
1399 hash_function(map.data, map.size, hash);
1400 hs = find_hash_sister(hash);
1402 * return success if we're pretty sure that we already know this file
1405 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1406 if (pad->flags & ADD_FLAG_VERBOSE)
1407 PARA_NOTICE_LOG("not forcing update: %s\n", path);
1411 * we won't recalculate the audio format info and the chunk table if
1412 * there is a hash sister unless in FORCE mode.
1414 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1415 ret = mp3_get_file_info(map.data, map.size, &afhi);
1417 PARA_WARNING_LOG("audio format of %s not recognized, skipping\n", path);
1423 munmap(map.data, map.size);
1424 save_audio_file_info(hash, path, afhi_ptr, pad->flags, &obj);
1425 /* ask parent to consider this entry for adding */
1426 ret = send_callback_request(com_add_callback, &obj, NULL);
1430 munmap(map.data, map.size);
1435 free(afhi_ptr->chunk_table);
1439 int com_add(int fd, int argc, char **argv)
1442 struct private_add_data pad = {.fd = fd, .flags = 0};
1443 struct stat statbuf;
1445 for (i = 1; i < argc; i++) {
1446 const char *arg = argv[i];
1449 if (!strcmp(arg, "--")) {
1453 if (!strcmp(arg, "-l")) {
1454 pad.flags |= ADD_FLAG_LAZY;
1457 if (!strcmp(arg, "-f")) {
1458 pad.flags |= ADD_FLAG_FORCE;
1461 if (!strcmp(arg, "-v")) {
1462 pad.flags |= ADD_FLAG_VERBOSE;
1467 return -E_AFT_SYNTAX;
1468 for (; i < argc; i++) {
1469 ret = stat(argv[i], &statbuf);
1472 if (S_ISDIR(statbuf.st_mode)) {
1473 ret = for_each_file_in_dir(argv[i],
1474 add_one_audio_file, &pad);
1479 ret = add_one_audio_file(argv[i], &pad);
1489 struct com_touch_options {
1496 static int com_touch_callback(const struct osl_object *query,
1497 __a_unused struct osl_object *result)
1499 struct com_touch_options *cto = query->data;
1500 char *p = (char *)query->data + sizeof(*cto);
1502 int ret, no_options = cto->num_played < 0 && cto->last_played < 0 &&
1503 cto->lyrics_id < 0 && cto->image_id < 0;
1505 for (;p < (char *)query->data + query->size; p += len + 1) {
1506 struct afs_info old_afsi, new_afsi;
1507 struct osl_object obj;
1508 struct osl_row *row;
1511 ret = aft_get_row_of_path(p, &row);
1514 ret = get_afsi_object_of_row(row, &obj);
1517 ret = load_afsi(&old_afsi, &obj);
1520 new_afsi = old_afsi;
1522 new_afsi.num_played++;
1523 new_afsi.last_played = time(NULL);
1525 if (cto->lyrics_id >= 0)
1526 new_afsi.lyrics_id = cto->lyrics_id;
1527 if (cto->image_id >= 0)
1528 new_afsi.image_id = cto->image_id;
1529 if (cto->num_played >= 0)
1530 new_afsi.num_played = cto->num_played;
1531 if (cto->last_played >= 0)
1532 new_afsi.last_played = cto->last_played;
1534 save_afsi(&new_afsi, &obj); /* in-place update */
1535 ret = mood_update_audio_file(row, &old_afsi);
1542 int com_touch(__a_unused int fd, int argc, const char **argv)
1544 struct com_touch_options cto = {
1550 struct osl_object options = {.data = &cto, .size = sizeof(cto)};
1554 for (i = 1; i < argc; i++) {
1555 const char *arg = argv[i];
1558 if (!strcmp(arg, "--")) {
1562 if (!strncmp(arg, "-n", 2)) {
1563 ret = para_atol(arg + 2, &cto.num_played);
1568 if (!strncmp(arg, "-l", 2)) {
1569 ret = para_atol(arg + 2, &cto.last_played);
1574 if (!strncmp(arg, "-y", 2)) {
1575 ret = para_atol(arg + 2, &cto.lyrics_id);
1580 if (!strncmp(arg, "-i", 2)) {
1581 ret = para_atol(arg + 2, &cto.image_id);
1587 ret = -E_AFT_SYNTAX;
1590 return send_option_arg_callback_request(&options, argc - i,
1591 argv + i, com_touch_callback, NULL);
1596 struct com_rm_options {
1600 static int com_rm_callback(const struct osl_object *query,
1601 __a_unused struct osl_object *result)
1603 struct com_rm_options *cro = query->data;
1604 char *p = (char *)query->data + sizeof(*cro);
1608 for (;p < (char *)query->data + query->size; p += len + 1) {
1609 struct osl_row *row;
1612 ret = aft_get_row_of_path(p, &row);
1615 ret = mood_delete_audio_file(row);
1618 ret = osl_del_row(audio_file_table, row);
1626 * TODO options: -v verbose, -f dont stop if file not found
1627 * -h remove by hash, use fnmatch
1631 int com_afs_rm(__a_unused int fd, int argc, const char **argv)
1633 struct com_rm_options cro = {.flags = 0};
1634 struct osl_object options = {.data = &cro, .size = sizeof(cro)};
1637 for (i = 1; i < argc; i++) {
1638 const char *arg = argv[i];
1641 if (!strcmp(arg, "--")) {
1646 ret = -E_AFT_SYNTAX;
1649 return send_option_arg_callback_request(&options, argc - i,
1650 argv + i, com_rm_callback, NULL);
1656 * Close the audio file table.
1658 * \param flags Ususal flags that are passed to osl_close_table().
1660 * \sa osl_close_table().
1662 void aft_shutdown(enum osl_close_flags flags)
1664 osl_close_table(audio_file_table, flags);
1668 * Open the audio file table.
1670 * \param ti Gets initialized by this function
1672 * \return Positive on success, negative on errors.
1674 * \sa osl_open_table().
1676 int aft_init(struct table_info *ti)
1680 ti->desc = &audio_file_table_desc;
1681 ret = osl_open_table(ti->desc, &ti->table);
1684 audio_file_table = ti->table;
1685 osl_get_num_rows(audio_file_table, &num);
1686 PARA_INFO_LOG("audio file table contains %d files\n", num);
1689 audio_file_table = NULL;
1690 return ret == -E_NOENT? 1 : ret;