2 * Copyright (C) 2007 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file aft.c Audio file table functions. */
9 #include <dirent.h> /* readdir() */
22 static struct osl_table *audio_file_table;
24 /** The different sorting methods of the ls command. */
25 enum ls_sorting_method {
31 LS_SORT_BY_LAST_PLAYED,
33 LS_SORT_BY_NUM_PLAYED,
47 LS_SORT_BY_AUDIO_FORMAT,
52 /** The different listing modes of the ls command. */
53 enum ls_listing_mode {
54 /** Default listing mode. */
64 /** The flags accepted by the ls command. */
67 LS_FLAG_FULL_PATH = 1,
69 LS_FLAG_ADMISSIBLE_ONLY = 2,
75 * The size of the individual output fields of the ls command.
77 * These depend on the actual content being listed. If, for instance only files
78 * with duration less than an hour are being listed, then the duration with is
79 * made smaller because then the duration is listed as mm:ss rather than
83 /** size of the score field. */
84 unsigned short score_width;
85 /** size of the image id field. */
86 unsigned short image_id_width;
87 /** size of the lyrics id field. */
88 unsigned short lyrics_id_width;
89 /** size of the bitrate field. */
90 unsigned short bitrate_width;
91 /** size of the frequency field. */
92 unsigned short frequency_width;
93 /** size of the duration field. */
94 unsigned short duration_width;
95 /** size of the num played field. */
96 unsigned short num_played_width;
99 /** Data passed from the ls command handler to its callback function. */
101 /** The given command line flags. */
103 /** The sorting method given at the command line. */
104 enum ls_sorting_method sorting;
105 /** The given listing mode (short, long, verbose, mbox). */
106 enum ls_listing_mode mode;
107 /** The arguments passed to the ls command. */
109 /** Number of non-option arguments. */
111 /** Used for long listing mode to align the output fields. */
112 struct ls_widths widths;
113 /** Size of the \a data array. */
115 /** Number of used entries in the data array. */
116 uint32_t num_matching_paths;
117 /** Array of matching entries. */
118 struct ls_data *data;
119 /** Used to sort the array. */
120 struct ls_data **data_ptr;
124 * Describes the layout of the mmapped-afs info struct.
126 * \sa struct afs_info.
129 /** Where .last_played is stored. */
130 AFSI_LAST_PLAYED_OFFSET = 0,
131 /** Storage position of the attributes bitmap. */
132 AFSI_ATTRIBUTES_OFFSET = 8,
133 /** Storage position of the .num_played field. */
134 AFSI_NUM_PLAYED_OFFSET = 16,
135 /** Storage position of the .image_id field. */
136 AFSI_IMAGE_ID_OFFSET = 20,
137 /** Storage position of the .lyrics_id field. */
138 AFSI_LYRICS_ID_OFFSET = 24,
139 /** Storage position of the .audio_format_id field. */
140 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
141 /** 3 bytes reserved space for future usage. */
142 AFSI_AUDIO_FORMAT_UNUSED_OFFSET = 29,
143 /** On-disk storage space needed. */
148 * Convert a struct afs_info to an osl object.
150 * \param afsi Pointer to the audio file info to be converted.
151 * \param obj Result pointer.
155 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
157 char *buf = obj->data;
159 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
160 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
161 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
162 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
163 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
164 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
165 afsi->audio_format_id);
166 memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 3);
170 * Get the audio file selector info struct stored in an osl object.
172 * \param afsi Points to the audio_file info structure to be filled in.
173 * \param obj The osl object holding the data.
175 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
179 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
181 char *buf = obj->data;
182 if (obj->size < AFSI_SIZE)
184 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
185 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
186 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
187 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
188 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
189 afsi->audio_format_id = read_u8(buf +
190 AFSI_AUDIO_FORMAT_ID_OFFSET);
194 /** The columns of the audio file table. */
195 enum audio_file_table_columns {
196 /** The hash on the content of the audio file. */
198 /** The full path in the filesystem. */
200 /** The audio file selector info. */
202 /** The audio format handler info. */
204 /** The chunk table info and the chunk table of the audio file. */
206 /** The number of columns of this table. */
210 static struct osl_column_description aft_cols[] = {
212 .storage_type = OSL_MAPPED_STORAGE,
213 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
215 .compare_function = osl_hash_compare,
216 .data_size = HASH_SIZE
219 .storage_type = OSL_MAPPED_STORAGE,
220 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
222 .compare_function = string_compare,
225 .storage_type = OSL_MAPPED_STORAGE,
226 .storage_flags = OSL_FIXED_SIZE,
228 .data_size = AFSI_SIZE
231 .storage_type = OSL_MAPPED_STORAGE,
235 .storage_type = OSL_DISK_STORAGE,
240 static struct osl_table_description audio_file_table_desc = {
241 .name = "audio_files",
242 .num_columns = NUM_AFT_COLUMNS,
243 .flags = OSL_LARGE_TABLE,
244 .column_descriptions = aft_cols
247 /* We don't want * dot or dot-dot anywhere. */
248 static int verify_dotfile(const char *rest)
251 * The first character was '.', but that has already been discarded, we
255 case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
257 case '.': /* path start with /foo/.. */
258 if (rest[1] == '\0' || rest[1] == '/')
259 return -1; /* /foo/.. or /foo/../bar are not ok */
260 /* /foo/..bar is ok */
266 * We fundamentally don't like some paths: We don't want double slashes or
267 * slashes at the end that can make pathnames ambiguous.
269 static int verify_path(const char *orig_path, char **resolved_path)
275 if (*orig_path != '/') /* we only accept absolute paths */
277 len = strlen(orig_path);
278 *resolved_path = para_strdup(orig_path);
279 path = *resolved_path;
280 while (len > 1 && path[--len] == '/')
281 path[len] = '\0'; /* remove slash at the end */
287 case '/': /* double slash */
290 if (verify_dotfile(path) < 0)
300 free(*resolved_path);
304 /** The on-disk layout of a afhi struct. */
306 /** Where the number of seconds is stored. */
307 AFHI_SECONDS_TOTAL_OFFSET = 0,
308 /** Position of the bitrate. */
309 AFHI_BITRATE_OFFSET = 4,
310 /** Position of the frequency. */
311 AFHI_FREQUENCY_OFFSET = 8,
312 /** Location of the audio file header. */
313 AFHI_HEADER_OFFSET_OFFSET = 12,
314 /* Length of the audio file header. Zero means: No header. */
315 AFHI_HEADER_LEN_OFFSET = 16,
316 /** Number of channels is stored here. */
317 AFHI_CHANNELS_OFFSET = 20,
318 /** EOF timeout in ms. */
319 AFHI_EOF_OFFSET = 21,
320 /** The tag info position. */
321 AFHI_INFO_STRING_OFFSET = 23,
322 /** Minimal on-disk size of a valid afhi struct. */
326 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
330 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
333 static void save_afhi(struct afh_info *afhi, char *buf)
337 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
338 afhi->seconds_total);
339 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
340 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
341 write_u32(buf + AFHI_HEADER_OFFSET_OFFSET, afhi->header_offset);
342 write_u32(buf + AFHI_HEADER_LEN_OFFSET, afhi->header_len);
343 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
344 write_u16(buf + AFHI_EOF_OFFSET, tv2ms(&afhi->eof_tv));
345 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
346 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
349 static void load_afhi(const char *buf, struct afh_info *afhi)
351 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
352 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
353 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
354 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
355 afhi->header_offset = read_u32(buf + AFHI_HEADER_OFFSET_OFFSET);
356 afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_OFFSET);
357 ms2tv(read_u16(buf + AFHI_EOF_OFFSET), &afhi->eof_tv);
358 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
361 //#define SIZEOF_CHUNK_TABLE(afhi) (((afhi)->chunks_total + 1) * sizeof(uint32_t))
363 static unsigned sizeof_chunk_info_buf(struct afh_info *afhi)
367 return 4 * (afhi->chunks_total + 1) + 20;
371 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
372 enum chunk_info_offsets{
373 /** The total number of chunks (4 bytes). */
374 CHUNKS_TOTAL_OFFSET = 0,
375 /** The length of the audio file header (4 bytes). */
376 HEADER_LEN_OFFSET = 4,
377 /** The start of the audio file header (4 bytes). */
378 HEADER_OFFSET_OFFSET = 8,
379 /** The seconds part of the chunk time (4 bytes). */
380 CHUNK_TV_TV_SEC_OFFSET = 12,
381 /** The microseconds part of the chunk time (4 bytes). */
382 CHUNK_TV_TV_USEC = 16,
383 /** Chunk table entries start here. */
384 CHUNK_TABLE_OFFSET = 20,
387 static void save_chunk_table(struct afh_info *afhi, char *buf)
391 PARA_DEBUG_LOG("%lu chunks\n", afhi->chunks_total);
392 for (i = 0; i <= afhi->chunks_total; i++)
393 write_u32(buf + 4 * i, afhi->chunk_table[i]);
396 static void load_chunk_table(struct afh_info *afhi, char *buf)
399 for (i = 0; i <= afhi->chunks_total; i++)
400 afhi->chunk_table[i] = read_u32(buf + 4 * i);
403 /* TODO: audio format handlers could just produce this */
404 static void save_chunk_info(struct afh_info *afhi, char *buf)
408 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
409 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
410 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
411 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
412 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
413 save_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
416 static int load_chunk_info(struct osl_object *obj, struct afh_info *afhi)
418 char *buf = obj->data;
420 if (obj->size < CHUNK_TABLE_OFFSET)
421 return -E_BAD_DATA_SIZE;
423 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
424 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
425 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
426 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
427 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
429 if ((afhi->chunks_total + 1) * 4 + CHUNK_TABLE_OFFSET > obj->size)
430 return -E_BAD_DATA_SIZE;
431 afhi->chunk_table = para_malloc((afhi->chunks_total + 1) * 4);
432 load_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
437 * Get the row of the audio file table corresponding to the given path.
439 * \param path The full path of the audio file.
440 * \param row Result pointer.
442 * \return The return value of the underlying call to osl_get_row().
444 int aft_get_row_of_path(const char *path, struct osl_row **row)
446 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
448 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
452 * Get the row of the audio file table corresponding to the given hash value.
454 * \param hash The hash value of the desired audio file.
455 * \param row resul pointer.
457 * \return The return value of the underlying call to osl_get_row().
459 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
461 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
462 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
466 * Get the osl object holding the audio file selector info of a row.
468 * \param row Pointer to a row in the audio file table.
469 * \param obj Result pointer.
471 * \return The return value of the underlying call to osl_get_object().
473 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
475 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
479 * Get the osl object holding the audio file selector info, given a path.
482 * \param path The full path of the audio file.
483 * \param obj Result pointer.
485 * \return Positive on success, negative on errors.
487 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
490 int ret = aft_get_row_of_path(path, &row);
493 return get_afsi_object_of_row(row, obj);
497 * Get the audio file selector info, given a row of the audio file table.
499 * \param row Pointer to a row in the audio file table.
500 * \param afsi Result pointer.
502 * \return Positive on success, negative on errors.
504 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
506 struct osl_object obj;
507 int ret = get_afsi_object_of_row(row, &obj);
510 return load_afsi(afsi, &obj);
514 * Get the audio file selector info, given the path of an audio table.
516 * \param path The full path of the audio file.
517 * \param afsi Result pointer.
519 * \return Positive on success, negative on errors.
521 int get_afsi_of_path(const char *path, struct afs_info *afsi)
523 struct osl_object obj;
524 int ret = get_afsi_object_of_path(path, &obj);
527 return load_afsi(afsi, &obj);
531 * Get the path of an audio file, given a row of the audio file table.
533 * \param row Pointer to a row in the audio file table.
534 * \param path Result pointer.
536 * The result is a pointer to mmapped data. The caller must not attempt
541 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
543 struct osl_object path_obj;
544 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
548 *path = path_obj.data;
553 * Get the object containing the hash value of an audio file, given a row.
555 * \param row Pointer to a row of the audio file table.
556 * \param obj Result pointer.
558 * \return The return value of the underlying call to osl_get_object().
560 * \sa get_hash_of_row().
562 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
564 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
568 * Get the hash value of an audio file, given a row of the audio file table.
570 * \param row Pointer to a row of the audio file table.
571 * \param hash Result pointer.
573 * \a hash points to mapped data and must not be freed by the caller.
575 * \return The return value of the underlying call to
576 * get_hash_object_of_aft_row().
578 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
580 struct osl_object obj;
581 int ret = get_hash_object_of_aft_row(row, &obj);
590 * Get the audio format handler info, given a row of the audio file table.
592 * \param row Pointer to a row of the audio file table.
593 * \param afhi Result pointer.
595 * \return The return value of the underlying call to osl_get_object().
597 * \sa get_chunk_table_of_row().
599 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
601 struct osl_object obj;
602 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
606 load_afhi(obj.data, afhi);
610 /* returns shmid on success */
611 static int save_afd(struct audio_file_data *afd)
613 size_t size = sizeof(*afd)
614 + 4 * (afd->afhi.chunks_total + 1);
616 PARA_DEBUG_LOG("size: %zu\n", size);
617 int shmid, ret = shm_new(size);
624 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
627 *(struct audio_file_data *)shm_afd = *afd;
630 save_chunk_table(&afd->afhi, buf);
638 int load_afd(int shmid, struct audio_file_data *afd)
644 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
647 *afd = *(struct audio_file_data *)shm_afd;
650 afd->afhi.chunk_table = para_malloc((afd->afhi.chunks_total + 1) * 4);
651 load_chunk_table(&afd->afhi, buf);
657 * Mmap the given audio file and update statistics.
659 * \param aft_row Determines the audio file to be opened and updated.
660 * \param afd Result pointer.
662 * On success, the numplayed field of the audio file selector info is increased
663 * and the lastplayed time is set to the current time. Finally, the score of
664 * the audio file is updated.
666 * \return Positive on success, negative on errors.
668 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
670 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
671 struct osl_object afsi_obj;
672 struct afs_info new_afsi;
673 int ret = get_hash_of_row(aft_row, &aft_hash);
674 struct afsi_change_event_data aced;
675 struct osl_object map, chunk_table_obj;
680 ret = get_audio_file_path_of_row(aft_row, &path);
683 strncpy(afd->path, path, sizeof(afd->path) - 1);
684 afd->path[sizeof(afd->path) - 1] = '\0';
685 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
688 ret = load_afsi(&afd->afsi, &afsi_obj);
691 ret = get_afhi_of_row(aft_row, &afd->afhi);
694 ret = osl_open_disk_object(audio_file_table, aft_row,
695 AFTCOL_CHUNKS, &chunk_table_obj);
698 ret = mmap_full_file(path, O_RDONLY, &map.data,
699 &map.size, &afd->fd);
702 hash_function(map.data, map.size, file_hash);
703 ret = hash_compare(file_hash, aft_hash);
704 para_munmap(map.data, map.size);
706 ret = -E_HASH_MISMATCH;
709 new_afsi = afd->afsi;
710 new_afsi.num_played++;
711 new_afsi.last_played = time(NULL);
712 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
714 ret = load_chunk_info(&chunk_table_obj, &afd->afhi);
717 ret = get_attribute_text(&afd->afsi.attributes, " ", &tmp);
721 strncpy(afd->attributes_string, tmp, sizeof(afd->attributes_string));
722 afd->attributes_string[sizeof(afd->attributes_string) - 1] = '\0';
733 struct para_buffer pb = {.buf = NULL};
734 ret = make_status_items(&d, &pb);
737 strncpy(afd->afs_status_info, pb.buf, AFS_STATUS_INFO_SIZE);
738 afd->afs_status_info[AFS_STATUS_INFO_SIZE] = '\0';
741 aced.aft_row = aft_row;
742 aced.old_afsi = &afd->afsi;
743 afs_event(AFSI_CHANGE, NULL, &aced);
747 free(afd->afhi.chunk_table);
749 osl_close_disk_object(&chunk_table_obj);
753 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
754 time_t current_time, enum ls_listing_mode lm)
758 if (!localtime_r((time_t *)seconds, &t))
760 if (lm == LS_MODE_MBOX) {
761 if (!strftime(buf, size, "%c", &t))
765 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
766 if (!strftime(buf, size, "%b %e %k:%M", &t))
770 if (!strftime(buf, size, "%b %e %Y", &t))
775 /** Compute the number of (decimal) digits of a number. */
776 #define GET_NUM_DIGITS(x, num) { \
777 typeof((x)) _tmp = PARA_ABS(x); \
780 while ((_tmp) > 9) { \
786 static short unsigned get_duration_width(int seconds)
788 short unsigned width;
789 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
791 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
792 return 4 + (mins > 9);
793 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
794 GET_NUM_DIGITS(hours, &width);
798 static void get_duration_buf(int seconds, char *buf, short unsigned max_width)
800 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
802 if (!hours) /* m:ss or mm:ss */
803 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
804 else /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
805 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
809 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
811 char *att_text, *att_lines;
813 get_attribute_text(&afsi->attributes, " ", &att_text);
815 return para_strdup(att_bitmap);
816 att_lines = make_message("%s\nattributes_txt: %s",
817 att_bitmap, att_text);
822 static char *make_lyrics_line(struct afs_info *afsi)
826 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
828 return make_message("%u", afsi->lyrics_id);
829 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
832 static char *make_image_line(struct afs_info *afsi)
835 img_get_name_by_id(afsi->image_id, &image_name);
837 return make_message("%u", afsi->image_id);
838 return make_message("%u (%s)", afsi->image_id, image_name);
841 static int print_list_item(struct ls_data *d, struct ls_options *opts,
842 struct para_buffer *b, time_t current_time)
846 char last_played_time[30];
847 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
848 char score_buf[30] = "";
849 struct afs_info *afsi = &d->afsi;
850 struct afh_info *afhi = &d->afhi;
851 struct ls_widths *w = &opts->widths;
852 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
853 char asc_hash[2 * HASH_SIZE + 1];
854 char *att_lines, *lyrics_line, *image_line;
856 if (opts->mode == LS_MODE_SHORT) {
857 para_printf(b, "%s\n", d->path);
860 get_attribute_bitmap(&afsi->attributes, att_buf);
861 ret = get_local_time(&afsi->last_played, last_played_time,
862 sizeof(last_played_time), current_time, opts->mode);
865 get_duration_buf(afhi->seconds_total, duration_buf, w->duration_width);
867 if (opts->mode == LS_MODE_LONG)
868 sprintf(score_buf, "%*li ", w->score_width, d->score);
870 sprintf(score_buf, "%li ", d->score);
873 if (opts->mode == LS_MODE_LONG) {
876 "%s " /* attributes */
877 "%*d " /* image_id */
878 "%*d " /* lyrics_id */
880 "%s " /* audio format */
881 "%*d " /* frequency */
884 "%*d " /* num_played */
885 "%s " /* last_played */
889 w->image_id_width, afsi->image_id,
890 w->lyrics_id_width, afsi->lyrics_id,
891 w->bitrate_width, afhi->bitrate,
892 audio_format_name(afsi->audio_format_id),
893 w->frequency_width, afhi->frequency,
896 w->num_played_width, afsi->num_played,
902 hash_to_asc(d->hash, asc_hash);
903 att_lines = make_attribute_lines(att_buf, afsi);
904 lyrics_line = make_lyrics_line(afsi);
905 image_line = make_image_line(afsi);
906 if (opts->mode == LS_MODE_VERBOSE) {
908 "%s: %s\n" /* path */
914 "bitrate: %dkbit/s\n"
922 (opts->flags & LS_FLAG_FULL_PATH)?
923 "path" : "file", d->path,
924 have_score? "score: " : "", score_buf,
925 have_score? "\n" : "",
931 audio_format_name(afsi->audio_format_id),
939 } else { /* mbox mode */
940 struct osl_object lyrics_def;
941 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
943 "From foo@localhost %s\n"
944 "Received: from\nTo: bar\nFrom: a\n"
945 "Subject: %s\n\n" /* path */
947 "%s\n" /* attributes */
951 "bitrate: %dkbit/s\n"
961 have_score? "score: " : "", score_buf,
962 have_score? "\n" : "",
968 audio_format_name(afsi->audio_format_id),
974 lyrics_def.data? "Lyrics:\n~~~~~~~\n" : "",
975 lyrics_def.data? (char *)lyrics_def.data : ""
978 osl_close_disk_object(lyrics_def.data);
986 int make_status_items(struct ls_data *d, struct para_buffer *pb)
988 struct ls_options opts = {
989 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
990 .mode = LS_MODE_VERBOSE,
995 return print_list_item(d, &opts, pb, current_time);
999 static int ls_audio_format_compare(const void *a, const void *b)
1001 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1002 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1005 static int ls_duration_compare(const void *a, const void *b)
1007 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1008 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1011 static int ls_bitrate_compare(const void *a, const void *b)
1013 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1014 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1017 static int ls_lyrics_id_compare(const void *a, const void *b)
1019 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1020 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1023 static int ls_image_id_compare(const void *a, const void *b)
1025 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1026 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1029 static int ls_channels_compare(const void *a, const void *b)
1031 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1032 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1035 static int ls_frequency_compare(const void *a, const void *b)
1037 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1038 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1041 static int ls_num_played_compare(const void *a, const void *b)
1043 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1044 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1047 static int ls_last_played_compare(const void *a, const void *b)
1049 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1050 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1053 static int ls_score_compare(const void *a, const void *b)
1055 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1056 return NUM_COMPARE(d1->score, d2->score);
1059 static int ls_path_compare(const void *a, const void *b)
1061 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1062 return strcmp(d1->path, d2->path);
1065 static int sort_matching_paths(struct ls_options *options)
1067 size_t nmemb = options->num_matching_paths;
1068 size_t size = sizeof(*options->data_ptr);
1069 int (*compar)(const void *, const void *);
1072 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1073 for (i = 0; i < nmemb; i++)
1074 options->data_ptr[i] = options->data + i;
1076 /* In these cases the array is already sorted */
1077 if (options->sorting == LS_SORT_BY_PATH
1078 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1079 && (options->flags & LS_FLAG_FULL_PATH))
1081 if (options->sorting == LS_SORT_BY_SCORE &&
1082 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1085 switch (options->sorting) {
1086 case LS_SORT_BY_PATH:
1087 compar = ls_path_compare; break;
1088 case LS_SORT_BY_SCORE:
1089 compar = ls_score_compare; break;
1090 case LS_SORT_BY_LAST_PLAYED:
1091 compar = ls_last_played_compare; break;
1092 case LS_SORT_BY_NUM_PLAYED:
1093 compar = ls_num_played_compare; break;
1094 case LS_SORT_BY_FREQUENCY:
1095 compar = ls_frequency_compare; break;
1096 case LS_SORT_BY_CHANNELS:
1097 compar = ls_channels_compare; break;
1098 case LS_SORT_BY_IMAGE_ID:
1099 compar = ls_image_id_compare; break;
1100 case LS_SORT_BY_LYRICS_ID:
1101 compar = ls_lyrics_id_compare; break;
1102 case LS_SORT_BY_BITRATE:
1103 compar = ls_bitrate_compare; break;
1104 case LS_SORT_BY_DURATION:
1105 compar = ls_duration_compare; break;
1106 case LS_SORT_BY_AUDIO_FORMAT:
1107 compar = ls_audio_format_compare; break;
1111 qsort(options->data_ptr, nmemb, size, compar);
1115 /* row is either an aft_row or a row of the score table */
1116 /* TODO: Only compute widths if we need them */
1117 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1120 struct ls_options *options = ls_opts;
1122 struct ls_widths *w;
1123 unsigned short num_digits;
1125 struct osl_row *aft_row;
1129 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1130 ret = get_score_and_aft_row(row, &score, &aft_row);
1135 ret = get_audio_file_path_of_row(aft_row, &path);
1138 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1139 char *p = strrchr(path, '/');
1143 if (options->num_patterns) {
1144 for (i = 0; i < options->num_patterns; i++) {
1145 ret = fnmatch(options->patterns[i], path, 0);
1148 if (ret == FNM_NOMATCH)
1152 if (i >= options->num_patterns) /* no match */
1155 tmp = options->num_matching_paths++;
1156 if (options->num_matching_paths > options->array_size) {
1157 options->array_size++;
1158 options->array_size *= 2;
1159 options->data = para_realloc(options->data, options->array_size
1160 * sizeof(*options->data));
1162 d = options->data + tmp;
1163 ret = get_afsi_of_row(aft_row, &d->afsi);
1166 ret = get_afhi_of_row(aft_row, &d->afhi);
1170 ret = get_hash_of_row(aft_row, &d->hash);
1173 w = &options->widths;
1174 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1175 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1176 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1177 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1178 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1179 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1180 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1181 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1182 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1183 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1184 /* get the number of chars to print this amount of time */
1185 tmp = get_duration_width(d->afhi.seconds_total);
1186 w->duration_width = PARA_MAX(w->duration_width, tmp);
1187 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1188 GET_NUM_DIGITS(score, &num_digits);
1189 num_digits++; /* add one for the sign (space or "-") */
1190 w->score_width = PARA_MAX(w->score_width, num_digits);
1196 static int com_ls_callback(const struct osl_object *query,
1197 struct osl_object *ls_output)
1199 struct ls_options *opts = query->data;
1200 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1201 struct para_buffer b = {.buf = NULL, .size = 0};
1203 time_t current_time;
1206 if (opts->num_patterns) {
1207 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1208 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1209 opts->patterns[i] = p;
1213 opts->patterns = NULL;
1214 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1215 ret = admissible_file_loop(opts, prepare_ls_row);
1217 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1221 ret = opts->num_patterns? -E_NO_MATCH : 0;
1222 if (!opts->num_matching_paths)
1224 ret = sort_matching_paths(opts);
1227 time(¤t_time);
1228 if (opts->flags & LS_FLAG_REVERSE)
1229 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1230 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1235 for (i = 0; i < opts->num_matching_paths; i++) {
1236 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1242 ls_output->data = b.buf;
1243 ls_output->size = b.size;
1245 free(opts->data_ptr);
1246 free(opts->patterns);
1251 * TODO: flags -h (sort by hash)
1253 int com_ls(int fd, int argc, char * const * const argv)
1257 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1258 enum ls_listing_mode mode = LS_MODE_SHORT;
1259 struct ls_options opts = {.patterns = NULL};
1260 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1263 for (i = 1; i < argc; i++) {
1264 const char *arg = argv[i];
1267 if (!strcmp(arg, "--")) {
1271 if (!strncmp(arg, "-l", 2)) {
1273 mode = LS_MODE_LONG;
1277 return -E_AFT_SYNTAX;
1278 switch(*(arg + 2)) {
1280 mode = LS_MODE_SHORT;
1283 mode = LS_MODE_LONG;
1286 mode = LS_MODE_VERBOSE;
1289 mode = LS_MODE_MBOX;
1292 return -E_AFT_SYNTAX;
1295 if (!strcmp(arg, "-p")) {
1296 flags |= LS_FLAG_FULL_PATH;
1299 if (!strcmp(arg, "-a")) {
1300 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1303 if (!strcmp(arg, "-r")) {
1304 flags |= LS_FLAG_REVERSE;
1307 if (!strncmp(arg, "-s", 2)) {
1308 if (!*(arg + 2) || *(arg + 3))
1309 return -E_AFT_SYNTAX;
1310 switch(*(arg + 2)) {
1312 sort = LS_SORT_BY_PATH;
1314 case 's': /* -ss implies -a */
1315 sort = LS_SORT_BY_SCORE;
1316 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1319 sort = LS_SORT_BY_LAST_PLAYED;
1322 sort = LS_SORT_BY_NUM_PLAYED;
1325 sort = LS_SORT_BY_FREQUENCY;
1328 sort = LS_SORT_BY_CHANNELS;
1331 sort = LS_SORT_BY_IMAGE_ID;
1334 sort = LS_SORT_BY_LYRICS_ID;
1337 sort = LS_SORT_BY_BITRATE;
1340 sort = LS_SORT_BY_DURATION;
1343 sort = LS_SORT_BY_AUDIO_FORMAT;
1346 return -E_AFT_SYNTAX;
1349 return -E_AFT_SYNTAX;
1352 opts.sorting = sort;
1354 opts.num_patterns = argc - i;
1355 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1356 argv + i, com_ls_callback, &ls_output);
1358 ret = send_buffer(fd, (char *)ls_output.data);
1359 free(ls_output.data);
1365 * Call the given function for each file in the audio file table.
1367 * \param private_data An arbitrary data pointer, passed to \a func.
1368 * \param func The custom function to be called.
1370 * \return The return value of the underlying call to osl_rbtree_loop().
1372 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1374 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1378 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1380 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1381 struct osl_row *row;
1383 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1387 enum aft_row_offsets {
1388 AFTROW_AFHI_OFFSET_POS = 0,
1389 AFTROW_CHUNKS_OFFSET_POS = 2,
1390 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1391 AFTROW_FLAGS_OFFSET = 5,
1392 AFTROW_HASH_OFFSET = 9,
1393 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1396 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1397 * In this case, afhi won't be stored in the buffer */
1398 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1399 struct afh_info *afhi, uint32_t flags,
1400 uint8_t audio_format_num, struct osl_object *obj)
1402 size_t path_len = strlen(path) + 1;
1403 size_t afhi_size = sizeof_afhi_buf(afhi);
1404 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1405 + sizeof_chunk_info_buf(afhi);
1406 char *buf = para_malloc(size);
1409 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1410 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1412 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1413 strcpy(buf + AFTROW_PATH_OFFSET, path);
1415 pos = AFTROW_PATH_OFFSET + path_len;
1416 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1417 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1418 pos + afhi_size - 1);
1419 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1420 save_afhi(afhi, buf + pos);
1423 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1424 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1425 save_chunk_info(afhi, buf + pos);
1426 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1440 AFHI: whether afhi and chunk table are computed and sent
1441 ACTION: table modifications to be performed
1443 +---+----+-----+------+---------------------------------------------------+
1444 | HS | PB | F | AFHI | ACTION
1445 +---+----+-----+------+---------------------------------------------------+
1446 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1447 | | update path, keep afsi
1448 +---+----+-----+------+---------------------------------------------------+
1449 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1450 | | otherwise: remove PB, HS: update path, keep afhi,
1452 +---+----+-----+------+---------------------------------------------------+
1453 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1455 +---+----+-----+------+---------------------------------------------------+
1456 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1457 +---+----+-----+------+---------------------------------------------------+
1458 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1459 | | (force has no effect)
1460 +---+----+-----+------+---------------------------------------------------+
1461 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1462 +---+----+-----+------+---------------------------------------------------+
1463 | N | N | Y | Y | (new file) create new entry (force has no effect)
1464 +---+----+-----+------+---------------------------------------------------+
1465 | N | N | N | Y | (new file) create new entry
1466 +---+----+-----+------+---------------------------------------------------+
1468 afhi <=> force or no HS
1472 /** Flags passed to the add command. */
1473 enum com_add_flags {
1474 /** Skip paths that exist already. */
1476 /** Force adding. */
1478 /** Print what is being done. */
1479 ADD_FLAG_VERBOSE = 4,
1480 /** Try to add files with unknown suffixes. */
1484 static int com_add_callback(const struct osl_object *query,
1485 struct osl_object *result)
1487 char *buf = query->data, *path;
1488 struct osl_row *pb, *aft_row;
1490 struct osl_object objs[NUM_AFT_COLUMNS];
1492 char asc[2 * HASH_SIZE + 1];
1494 char afsi_buf[AFSI_SIZE];
1495 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1496 struct afs_info default_afsi = {.last_played = 0};
1497 struct para_buffer msg = {.buf = NULL};
1499 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1500 hash_to_asc(hash, asc);;
1501 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1502 objs[AFTCOL_HASH].size = HASH_SIZE;
1504 path = buf + AFTROW_PATH_OFFSET;
1505 objs[AFTCOL_PATH].data = path;
1506 objs[AFTCOL_PATH].size = strlen(path) + 1;
1508 PARA_INFO_LOG("request to add %s\n", path);
1509 hs = find_hash_sister(hash);
1510 ret = aft_get_row_of_path(path, &pb);
1511 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1513 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1514 if (flags & ADD_FLAG_VERBOSE)
1515 para_printf(&msg, "ignoring duplicate\n");
1519 if (hs && hs != pb) {
1520 struct osl_object obj;
1521 if (pb) { /* hs trumps pb, remove pb */
1522 if (flags & ADD_FLAG_VERBOSE)
1523 para_printf(&msg, "removing path brother\n");
1524 ret = osl_del_row(audio_file_table, pb);
1529 /* file rename, update hs' path */
1530 if (flags & ADD_FLAG_VERBOSE) {
1531 ret = osl_get_object(audio_file_table, hs,
1535 para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1537 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1538 &objs[AFTCOL_PATH]);
1541 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1542 if (!(flags & ADD_FLAG_FORCE))
1545 /* no hs or force mode, child must have sent afhi */
1546 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1547 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1549 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1550 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1552 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1554 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1555 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1556 if (pb && !hs) { /* update pb's hash */
1557 char old_asc[2 * HASH_SIZE + 1];
1558 HASH_TYPE *old_hash;
1559 ret = get_hash_of_row(pb, &old_hash);
1562 hash_to_asc(old_hash, old_asc);
1563 if (flags & ADD_FLAG_VERBOSE)
1564 para_printf(&msg, "file change: %s -> %s\n",
1566 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1567 &objs[AFTCOL_HASH]);
1571 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1572 struct osl_row *row = pb? pb : hs;
1573 /* update afhi and chunk_table */
1574 if (flags & ADD_FLAG_VERBOSE)
1575 para_printf(&msg, "updating afhi and chunk table\n");
1576 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1577 &objs[AFTCOL_AFHI]);
1580 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1581 &objs[AFTCOL_CHUNKS]);
1584 afs_event(AFHI_CHANGE, &msg, row);
1587 /* new entry, use default afsi */
1588 if (flags & ADD_FLAG_VERBOSE)
1589 para_printf(&msg, "new file\n");
1590 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1591 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1593 objs[AFTCOL_AFSI].data = &afsi_buf;
1594 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1595 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1596 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1599 para_printf(&msg, "%s\n", PARA_STRERROR(-ret));
1602 result->data = msg.buf;
1603 result->size = msg.size;
1604 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1608 /** Used by com_add(). */
1609 struct private_add_data {
1610 /** The socket file descriptor. */
1612 /** The given add flags. */
1616 static int path_brother_callback(const struct osl_object *query,
1617 struct osl_object *result)
1619 char *path = query->data;
1620 struct osl_row *path_brother;
1621 int ret = aft_get_row_of_path(path, &path_brother);
1624 result->data = para_malloc(sizeof(path_brother));
1625 result->size = sizeof(path_brother);
1626 *(struct osl_row **)(result->data) = path_brother;
1630 static int hash_sister_callback(const struct osl_object *query,
1631 struct osl_object *result)
1633 HASH_TYPE *hash = query->data;
1634 struct osl_row *hash_sister;
1636 hash_sister = find_hash_sister(hash);
1638 return -E_RB_KEY_NOT_FOUND;
1639 result->data = para_malloc(sizeof(hash_sister));
1640 result->size = sizeof(hash_sister);
1641 *(struct osl_row **)(result->data) = hash_sister;
1645 static int add_one_audio_file(const char *path, const void *private_data)
1648 uint8_t format_num = -1;
1649 const struct private_add_data *pad = private_data;
1650 struct afh_info afhi, *afhi_ptr = NULL;
1651 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1652 struct osl_object map, obj = {.data = NULL}, query, result = {.data = NULL};
1653 HASH_TYPE hash[HASH_SIZE];
1655 afhi.header_offset = 0;
1656 afhi.header_len = 0;
1657 ret = guess_audio_format(path);
1658 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1660 query.data = (char *)path;
1661 query.size = strlen(path) + 1;
1662 ret = send_callback_request(path_brother_callback, &query, &result);
1663 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1666 pb = *(struct osl_row **)result.data;
1670 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1671 if (pad->flags & ADD_FLAG_VERBOSE)
1672 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1675 /* We still want to add this file. Compute its hash. */
1676 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, NULL);
1679 hash_function(map.data, map.size, hash);
1681 /* Check whether database contains file with the same hash. */
1683 query.size = HASH_SIZE;
1684 ret = send_callback_request(hash_sister_callback, &query, &result);
1685 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1688 hs = *(struct osl_row **)result.data;
1691 /* Return success if we already know this file. */
1693 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1694 if (pad->flags & ADD_FLAG_VERBOSE)
1695 ret = send_va_buffer(pad->fd,
1696 "%s exists, not forcing update\n", path);
1700 * we won't recalculate the audio format info and the chunk table if
1701 * there is a hash sister unless in FORCE mode.
1703 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1704 ret = compute_afhi(path, map.data, map.size, &afhi);
1710 if (pad->flags & ADD_FLAG_VERBOSE) {
1711 ret = send_va_buffer(pad->fd, "adding %s\n", path);
1715 munmap(map.data, map.size);
1716 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1717 /* Ask afs to consider this entry for adding. */
1718 ret = send_callback_request(com_add_callback, &obj, &result);
1720 ret2 = send_va_buffer(pad->fd, "%s", (char *)result.data);
1722 if (ret >= 0 && ret2 < 0)
1728 munmap(map.data, map.size);
1730 if (ret < 0 && ret != -E_SEND)
1731 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1732 PARA_STRERROR(-ret));
1735 free(afhi_ptr->chunk_table);
1736 /* it's not an error if not all files could be added */
1737 return ret == -E_SEND? ret : 1;
1740 int com_add(int fd, int argc, char * const * const argv)
1743 struct private_add_data pad = {.fd = fd, .flags = 0};
1744 struct stat statbuf;
1746 for (i = 1; i < argc; i++) {
1747 const char *arg = argv[i];
1750 if (!strcmp(arg, "--")) {
1754 if (!strcmp(arg, "-a")) {
1755 pad.flags |= ADD_FLAG_ALL;
1758 if (!strcmp(arg, "-l")) {
1759 pad.flags |= ADD_FLAG_LAZY;
1762 if (!strcmp(arg, "-f")) {
1763 pad.flags |= ADD_FLAG_FORCE;
1766 if (!strcmp(arg, "-v")) {
1767 pad.flags |= ADD_FLAG_VERBOSE;
1772 return -E_AFT_SYNTAX;
1773 for (; i < argc; i++) {
1775 ret = verify_path(argv[i], &path);
1777 ret = send_va_buffer(fd, "%s: %s\n", argv[i], PARA_STRERROR(-ret));
1782 ret = stat(path, &statbuf);
1784 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1791 if (S_ISDIR(statbuf.st_mode))
1792 ret = for_each_file_in_dir(path, add_one_audio_file,
1795 ret = add_one_audio_file(path, &pad);
1797 send_va_buffer(fd, "%s: %s\n", path, PARA_STRERROR(-ret));
1808 * Flags used by the touch command.
1813 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1814 TOUCH_FLAG_FNM_PATHNAME = 1,
1815 /** Activates verbose mode. */
1816 TOUCH_FLAG_VERBOSE = 2
1819 /** Options used by com_touch(). */
1820 struct com_touch_options {
1821 /** New num_played value. */
1823 /** New last played count. */
1824 int64_t last_played;
1825 /** new lyrics id. */
1827 /** new image id. */
1829 /** command line flags (see \ref touch_flags). */
1833 /** Data passed to the action handler of com_touch(). */
1834 struct touch_action_data {
1835 /** Command line options (see \ref com_touch_options). */
1836 struct com_touch_options *cto;
1837 /** Message buffer. */
1838 struct para_buffer pb;
1841 static int touch_audio_file(__a_unused struct osl_table *table,
1842 struct osl_row *row, const char *name, void *data)
1844 struct touch_action_data *tad = data;
1845 struct osl_object obj;
1846 struct afs_info old_afsi, new_afsi;
1847 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1848 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1849 struct afsi_change_event_data aced;
1851 ret = get_afsi_object_of_row(row, &obj);
1853 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1856 ret = load_afsi(&old_afsi, &obj);
1858 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1861 new_afsi = old_afsi;
1863 new_afsi.num_played++;
1864 new_afsi.last_played = time(NULL);
1865 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1866 para_printf(&tad->pb, "%s: num_played = %u, "
1867 "last_played = now()\n", name,
1868 new_afsi.num_played);
1870 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1871 para_printf(&tad->pb, "touching %s\n", name);
1872 if (tad->cto->lyrics_id >= 0)
1873 new_afsi.lyrics_id = tad->cto->lyrics_id;
1874 if (tad->cto->image_id >= 0)
1875 new_afsi.image_id = tad->cto->image_id;
1876 if (tad->cto->num_played >= 0)
1877 new_afsi.num_played = tad->cto->num_played;
1878 if (tad->cto->last_played >= 0)
1879 new_afsi.last_played = tad->cto->last_played;
1881 save_afsi(&new_afsi, &obj); /* in-place update */
1883 aced.old_afsi = &old_afsi;
1884 afs_event(AFSI_CHANGE, &tad->pb, &aced);
1888 static int com_touch_callback(const struct osl_object *query,
1889 struct osl_object *result)
1891 struct touch_action_data tad = {.cto = query->data};
1893 struct pattern_match_data pmd = {
1894 .table = audio_file_table,
1895 .loop_col_num = AFTCOL_HASH,
1896 .match_col_num = AFTCOL_PATH,
1897 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1898 .size = query->size - sizeof(*tad.cto)},
1900 .action = touch_audio_file
1902 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1903 pmd.fnmatch_flags |= FNM_PATHNAME;
1904 ret = for_each_matching_row(&pmd);
1906 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1908 result->data = tad.pb.buf;
1909 result->size = tad.pb.size;
1912 return ret < 0? ret : 0;
1915 int com_touch(int fd, int argc, char * const * const argv)
1917 struct com_touch_options cto = {
1923 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1928 for (i = 1; i < argc; i++) {
1929 const char *arg = argv[i];
1932 if (!strcmp(arg, "--")) {
1936 if (!strncmp(arg, "-n", 2)) {
1937 ret = para_atoi32(arg + 2, &cto.num_played);
1942 if (!strncmp(arg, "-l", 2)) {
1943 ret = para_atoi64(arg + 2, &cto.last_played);
1948 if (!strncmp(arg, "-y", 2)) {
1949 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1954 if (!strncmp(arg, "-i", 2)) {
1955 ret = para_atoi32(arg + 2, &cto.image_id);
1960 if (!strcmp(arg, "-p")) {
1961 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1964 if (!strcmp(arg, "-v")) {
1965 cto.flags |= TOUCH_FLAG_VERBOSE;
1968 break; /* non-option starting with dash */
1971 return -E_AFT_SYNTAX;
1972 ret = send_option_arg_callback_request(&query, argc - i,
1973 argv + i, com_touch_callback, &result);
1975 send_buffer(fd, (char *)result.data);
1978 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1982 /** Flags for com_rm(). */
1985 RM_FLAG_VERBOSE = 1,
1989 RM_FLAG_FNM_PATHNAME = 4
1992 /** Data passed to the action handler of com_rm(). */
1993 struct com_rm_action_data {
1994 /** Command line flags ((see \ref rm_flags). */
1996 /** Message buffer. */
1997 struct para_buffer pb;
1998 /** Number of audio files removed. */
1999 unsigned num_removed;
2002 static int remove_audio_file(__a_unused struct osl_table *table,
2003 struct osl_row *row, const char *name, void *data)
2005 struct com_rm_action_data *crd = data;
2008 if (crd->flags & RM_FLAG_VERBOSE)
2009 para_printf(&crd->pb, "removing %s\n", name);
2010 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2011 ret = osl_del_row(audio_file_table, row);
2013 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
2019 static int com_rm_callback(const struct osl_object *query,
2020 __a_unused struct osl_object *result)
2022 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data};
2024 struct pattern_match_data pmd = {
2025 .table = audio_file_table,
2026 .loop_col_num = AFTCOL_HASH,
2027 .match_col_num = AFTCOL_PATH,
2028 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2029 .size = query->size - sizeof(uint32_t)},
2031 .action = remove_audio_file
2033 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2034 pmd.fnmatch_flags |= FNM_PATHNAME;
2035 ret = for_each_matching_row(&pmd);
2037 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
2038 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2039 para_printf(&crd.pb, "no matches -- nothing removed\n");
2041 if (crd.flags & RM_FLAG_VERBOSE)
2042 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2045 result->data = crd.pb.buf;
2046 result->size = crd.pb.size;
2049 return ret < 0? ret : 0;
2052 /* TODO options: -r (recursive) */
2053 int com_rm(int fd, int argc, char * const * const argv)
2056 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
2060 for (i = 1; i < argc; i++) {
2061 const char *arg = argv[i];
2064 if (!strcmp(arg, "--")) {
2068 if (!strcmp(arg, "-f")) {
2069 flags |= RM_FLAG_FORCE;
2072 if (!strcmp(arg, "-p")) {
2073 flags |= RM_FLAG_FNM_PATHNAME;
2076 if (!strcmp(arg, "-v")) {
2077 flags |= RM_FLAG_VERBOSE;
2083 return -E_AFT_SYNTAX;
2084 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2085 com_rm_callback, &result);
2087 send_buffer(fd, (char *)result.data);
2090 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2095 * Flags used by the cpsi command.
2100 /** Whether the lyrics id should be copied. */
2101 CPSI_FLAG_COPY_LYRICS_ID = 1,
2102 /** Whether the image id should be copied. */
2103 CPSI_FLAG_COPY_IMAGE_ID = 2,
2104 /** Whether the lastplayed time should be copied. */
2105 CPSI_FLAG_COPY_LASTPLAYED = 4,
2106 /** Whether the numplayed count should be copied. */
2107 CPSI_FLAG_COPY_NUMPLAYED = 8,
2108 /** Whether the attributes should be copied. */
2109 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2110 /** Activates verbose mode. */
2111 CPSI_FLAG_VERBOSE = 32,
2114 /** Data passed to the action handler of com_cpsi(). */
2115 struct cpsi_action_data {
2116 /** command line flags (see \ref cpsi_flags). */
2118 /** Number of audio files changed. */
2119 unsigned num_copied;
2120 /** Message buffer. */
2121 struct para_buffer pb;
2122 /** Values are copied from here. */
2123 struct afs_info source_afsi;
2126 static int copy_selector_info(__a_unused struct osl_table *table,
2127 struct osl_row *row, const char *name, void *data)
2129 struct cpsi_action_data *cad = data;
2130 struct osl_object target_afsi_obj;
2132 struct afs_info old_afsi, target_afsi;
2133 struct afsi_change_event_data aced;
2135 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2138 load_afsi(&target_afsi, &target_afsi_obj);
2139 old_afsi = target_afsi;
2140 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2141 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2142 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2143 target_afsi.image_id = cad->source_afsi.image_id;
2144 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2145 target_afsi.last_played = cad->source_afsi.last_played;
2146 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2147 target_afsi.num_played = cad->source_afsi.num_played;
2148 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2149 target_afsi.attributes = cad->source_afsi.attributes;
2150 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2152 if (cad->flags & CPSI_FLAG_VERBOSE)
2153 para_printf(&cad->pb, "copied afsi to %s\n", name);
2155 aced.old_afsi = &old_afsi;
2156 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2160 static int com_cpsi_callback(const struct osl_object *query,
2161 struct osl_object *result)
2163 struct cpsi_action_data cad = {.flags = *(unsigned *)query->data};
2165 char *source_path = (char *)query->data + sizeof(cad.flags);
2167 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2170 struct pattern_match_data pmd = {
2171 .table = audio_file_table,
2172 .loop_col_num = AFTCOL_HASH,
2173 .match_col_num = AFTCOL_PATH,
2174 .patterns = {.data = source_path + strlen(source_path) + 1,
2175 .size = query->size - sizeof(cad.flags)
2176 - strlen(source_path) - 1},
2178 .action = copy_selector_info
2180 ret = for_each_matching_row(&pmd);
2183 para_printf(&cad.pb, "%s\n", PARA_STRERROR(-ret));
2184 if (cad.flags & CPSI_FLAG_VERBOSE) {
2186 para_printf(&cad.pb, "copied requested afsi from %s "
2188 source_path, cad.num_copied);
2190 para_printf(&cad.pb, "nothing copied\n");
2193 result->data = cad.pb.buf;
2194 result->size = cad.pb.size;
2197 return ret < 0? ret : 0;
2200 int com_cpsi(int fd, int argc, char * const * const argv)
2204 struct osl_object options = {.data = &flags, .size = sizeof(flags)},
2207 for (i = 1; i < argc; i++) {
2208 const char *arg = argv[i];
2211 if (!strcmp(arg, "--")) {
2215 if (!strcmp(arg, "-y")) {
2216 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2219 if (!strcmp(arg, "-i")) {
2220 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2223 if (!strcmp(arg, "-l")) {
2224 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2227 if (!strcmp(arg, "-n")) {
2228 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2231 if (!strcmp(arg, "-a")) {
2232 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2235 if (!strcmp(arg, "-v")) {
2236 flags |= CPSI_FLAG_VERBOSE;
2241 if (i + 1 >= argc) /* need at least souce file and pattern */
2242 return -E_AFT_SYNTAX;
2243 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2244 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2245 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2246 com_cpsi_callback, &result);
2248 send_buffer(fd, (char *)result.data);
2251 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2255 /* TODO: optionally fix problems by removing offending rows */
2256 static int check_audio_file(struct osl_row *row, void *data)
2259 struct para_buffer *pb = data;
2260 struct stat statbuf;
2261 int ret = get_audio_file_path_of_row(row, &path);
2262 struct afs_info afsi;
2266 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
2269 if (stat(path, &statbuf) < 0)
2270 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2272 if (!S_ISREG(statbuf.st_mode))
2273 para_printf(pb, "%s: not a regular file\n", path);
2275 ret = get_afsi_of_row(row, &afsi);
2277 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
2280 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2282 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2283 PARA_STRERROR(-ret));
2284 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2286 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2287 PARA_STRERROR(-ret));
2292 * Check the audio file table for inconsistencies.
2294 * \param query Unused.
2295 * \param result Contains message string upon return.
2297 * This function always succeeds.
2301 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
2303 struct para_buffer pb = {.buf = NULL};
2305 para_printf(&pb, "checking audio file table...\n");
2306 audio_file_loop(&pb, check_audio_file);
2307 result->data = pb.buf;
2308 result->size = pb.size;
2314 * Close the audio file table.
2316 * \param flags Usual flags that are passed to osl_close_table().
2318 * \sa osl_close_table().
2320 static void aft_close(void)
2322 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2323 audio_file_table = NULL;
2327 * Open the audio file table.
2329 * \param dir The database directory.
2333 * \sa osl_open_table().
2335 static int aft_open(const char *dir)
2339 audio_file_table_desc.dir = dir;
2340 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2343 osl_get_num_rows(audio_file_table, &num);
2344 PARA_INFO_LOG("audio file table contains %d files\n", num);
2347 PARA_INFO_LOG("failed to open audio file table\n");
2348 audio_file_table = NULL;
2349 if (ret >= 0 || is_errno(-ret, ENOENT))
2354 static int aft_create(const char *dir)
2356 audio_file_table_desc.dir = dir;
2357 return osl_create_table(&audio_file_table_desc);
2360 static int clear_attribute(struct osl_row *row, void *data)
2362 struct rmatt_event_data *red = data;
2363 struct afs_info afsi;
2364 struct osl_object obj;
2365 int ret = get_afsi_object_of_row(row, &obj);
2366 uint64_t mask = ~(1ULL << red->bitnum);
2370 ret = load_afsi(&afsi, &obj);
2373 afsi.attributes &= mask;
2374 save_afsi(&afsi, &obj);
2378 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2382 case ATTRIBUTE_REMOVE: {
2383 const struct rmatt_event_data *red = data;
2384 para_printf(pb, "clearing attribute %s (bit %u) from all "
2385 "entries in the audio file table\n", red->name,
2387 return audio_file_loop(data, clear_attribute);
2394 void aft_init(struct afs_table *t)
2396 t->name = audio_file_table_desc.name;
2398 t->close = aft_close;
2399 t->create = aft_create;
2400 t->event_handler = aft_event_handler;