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 /** The total number of chunks (4 bytes). */
317 CHUNKS_TOTAL_OFFSET = 20,
318 /** The length of the audio file header (4 bytes). */
319 HEADER_LEN_OFFSET = 24,
320 /** The start of the audio file header (4 bytes). */
321 HEADER_OFFSET_OFFSET = 28,
322 /** The seconds part of the chunk time (4 bytes). */
323 CHUNK_TV_TV_SEC_OFFSET = 32,
324 /** The microseconds part of the chunk time (4 bytes). */
325 CHUNK_TV_TV_USEC_OFFSET = 36,
326 /** Number of channels is stored here. (1 byte) */
327 AFHI_CHANNELS_OFFSET = 40,
328 /** EOF timeout in ms. (2 byte) */
329 AFHI_EOF_OFFSET = 41,
330 /** The tag info position. */
331 AFHI_INFO_STRING_OFFSET = 43,
332 /** Minimal on-disk size of a valid afhi struct. */
336 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
340 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
343 static void save_afhi(struct afh_info *afhi, char *buf)
347 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET, afhi->seconds_total);
348 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
349 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
350 write_u32(buf + AFHI_HEADER_OFFSET_OFFSET, afhi->header_offset);
351 write_u32(buf + AFHI_HEADER_LEN_OFFSET, afhi->header_len);
352 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
353 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
354 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
355 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
356 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
357 write_u32(buf + CHUNK_TV_TV_USEC_OFFSET, afhi->chunk_tv.tv_usec);
358 write_u16(buf + AFHI_EOF_OFFSET, tv2ms(&afhi->eof_tv));
359 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
362 static void load_afhi(const char *buf, struct afh_info *afhi)
364 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
365 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
366 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
367 afhi->header_offset = read_u32(buf + AFHI_HEADER_OFFSET_OFFSET);
368 afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_OFFSET);
369 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
370 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
371 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
372 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
373 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
374 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC_OFFSET);
375 ms2tv(read_u16(buf + AFHI_EOF_OFFSET), &afhi->eof_tv);
376 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
379 static unsigned sizeof_chunk_table(struct afh_info *afhi)
383 return 4 * (afhi->chunks_total + 1);
386 static void save_chunk_table(struct afh_info *afhi, char *buf)
390 for (i = 0; i <= afhi->chunks_total; i++)
391 write_u32(buf + 4 * i, afhi->chunk_table[i]);
394 static void load_chunk_table(struct afh_info *afhi, char *buf)
398 afhi->chunk_table = para_malloc(sizeof_chunk_table(afhi));
399 for (i = 0; i <= afhi->chunks_total; i++)
400 afhi->chunk_table[i] = read_u32(buf + 4 * i);
404 * Get the row of the audio file table corresponding to the given path.
406 * \param path The full path of the audio file.
407 * \param row Result pointer.
409 * \return The return value of the underlying call to osl_get_row().
411 int aft_get_row_of_path(const char *path, struct osl_row **row)
413 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
415 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
419 * Get the row of the audio file table corresponding to the given hash value.
421 * \param hash The hash value of the desired audio file.
422 * \param row resul pointer.
424 * \return The return value of the underlying call to osl_get_row().
426 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
428 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
429 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
433 * Get the osl object holding the audio file selector info of a row.
435 * \param row Pointer to a row in the audio file table.
436 * \param obj Result pointer.
438 * \return The return value of the underlying call to osl_get_object().
440 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
442 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
446 * Get the osl object holding the audio file selector info, given a path.
449 * \param path The full path of the audio file.
450 * \param obj Result pointer.
452 * \return Positive on success, negative on errors.
454 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
457 int ret = aft_get_row_of_path(path, &row);
460 return get_afsi_object_of_row(row, obj);
464 * Get the audio file selector info, given a row of the audio file table.
466 * \param row Pointer to a row in the audio file table.
467 * \param afsi Result pointer.
469 * \return Positive on success, negative on errors.
471 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
473 struct osl_object obj;
474 int ret = get_afsi_object_of_row(row, &obj);
477 return load_afsi(afsi, &obj);
481 * Get the audio file selector info, given the path of an audio table.
483 * \param path The full path of the audio file.
484 * \param afsi Result pointer.
486 * \return Positive on success, negative on errors.
488 int get_afsi_of_path(const char *path, struct afs_info *afsi)
490 struct osl_object obj;
491 int ret = get_afsi_object_of_path(path, &obj);
494 return load_afsi(afsi, &obj);
498 * Get the path of an audio file, given a row of the audio file table.
500 * \param row Pointer to a row in the audio file table.
501 * \param path Result pointer.
503 * The result is a pointer to mmapped data. The caller must not attempt
508 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
510 struct osl_object path_obj;
511 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
515 *path = path_obj.data;
520 * Get the object containing the hash value of an audio file, given a row.
522 * \param row Pointer to a row of the audio file table.
523 * \param obj Result pointer.
525 * \return The return value of the underlying call to osl_get_object().
527 * \sa get_hash_of_row().
529 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
531 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
535 * Get the hash value of an audio file, given a row of the audio file table.
537 * \param row Pointer to a row of the audio file table.
538 * \param hash Result pointer.
540 * \a hash points to mapped data and must not be freed by the caller.
542 * \return The return value of the underlying call to
543 * get_hash_object_of_aft_row().
545 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
547 struct osl_object obj;
548 int ret = get_hash_object_of_aft_row(row, &obj);
557 * Get the audio format handler info, given a row of the audio file table.
559 * \param row Pointer to a row of the audio file table.
560 * \param afhi Result pointer.
562 * \return The return value of the underlying call to osl_get_object().
564 * \sa get_chunk_table_of_row().
566 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
568 struct osl_object obj;
569 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
573 load_afhi(obj.data, afhi);
577 /* returns shmid on success */
578 static int save_afd(struct audio_file_data *afd)
580 size_t size = sizeof(*afd) + sizeof_chunk_table(&afd->afhi);
582 PARA_DEBUG_LOG("size: %zu\n", size);
583 int shmid, ret = shm_new(size);
590 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
593 *(struct audio_file_data *)shm_afd = *afd;
596 save_chunk_table(&afd->afhi, buf);
604 int load_afd(int shmid, struct audio_file_data *afd)
610 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
613 *afd = *(struct audio_file_data *)shm_afd;
616 load_chunk_table(&afd->afhi, buf);
622 * Mmap the given audio file and update statistics.
624 * \param aft_row Determines the audio file to be opened and updated.
625 * \param score The score of the audio file.
626 * \param afd Result pointer.
628 * On success, the numplayed field of the audio file selector info is increased
629 * and the lastplayed time is set to the current time. Finally, the score of
630 * the audio file is updated.
632 * \return Positive shmid on success, negative on errors.
634 int open_and_update_audio_file(struct osl_row *aft_row, long score,
635 struct audio_file_data *afd)
637 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
638 struct osl_object afsi_obj;
639 struct afs_info old_afsi, new_afsi;
640 int ret = get_hash_of_row(aft_row, &aft_hash);
641 struct afsi_change_event_data aced;
642 struct osl_object map, chunk_table_obj;
647 ret = get_audio_file_path_of_row(aft_row, &path);
650 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
653 ret = load_afsi(&old_afsi, &afsi_obj);
656 ret = get_afhi_of_row(aft_row, &afd->afhi);
659 ret = osl_open_disk_object(audio_file_table, aft_row,
660 AFTCOL_CHUNKS, &chunk_table_obj);
663 ret = mmap_full_file(path, O_RDONLY, &map.data,
664 &map.size, &afd->fd);
667 hash_function(map.data, map.size, file_hash);
668 ret = hash_compare(file_hash, aft_hash);
669 para_munmap(map.data, map.size);
671 ret = -E_HASH_MISMATCH;
675 new_afsi.num_played++;
676 new_afsi.last_played = time(NULL);
677 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
679 load_chunk_table(&afd->afhi, chunk_table_obj.data);
688 struct para_buffer pb = {.buf = NULL};
689 ret = make_status_items(&d, &pb);
692 strncpy(afd->verbose_ls_output, pb.buf, VERBOSE_LS_OUTPUT_SIZE);
693 afd->verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE - 1] = '\0';
696 aced.aft_row = aft_row;
697 aced.old_afsi = &old_afsi;
698 afs_event(AFSI_CHANGE, NULL, &aced);
700 free(afd->afhi.chunk_table);
704 osl_close_disk_object(&chunk_table_obj);
708 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
709 time_t current_time, enum ls_listing_mode lm)
713 if (!localtime_r((time_t *)seconds, &t))
715 if (lm == LS_MODE_MBOX) {
716 if (!strftime(buf, size, "%c", &t))
720 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
721 if (!strftime(buf, size, "%b %e %k:%M", &t))
725 if (!strftime(buf, size, "%b %e %Y", &t))
730 /** Compute the number of (decimal) digits of a number. */
731 #define GET_NUM_DIGITS(x, num) { \
732 typeof((x)) _tmp = PARA_ABS(x); \
735 while ((_tmp) > 9) { \
741 static short unsigned get_duration_width(int seconds)
743 short unsigned width;
744 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
746 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
747 return 4 + (mins > 9);
748 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
749 GET_NUM_DIGITS(hours, &width);
753 static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
755 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
756 short unsigned max_width;
758 if (!hours) { /* m:ss or mm:ss */
759 max_width = opts->mode == LS_MODE_LONG?
760 opts->widths.duration_width : 4;
761 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
762 } else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
763 max_width = opts->mode == LS_MODE_LONG?
764 opts->widths.duration_width : 7;
765 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
770 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
772 char *att_text, *att_lines;
774 get_attribute_text(&afsi->attributes, " ", &att_text);
776 return para_strdup(att_bitmap);
777 att_lines = make_message("%s: %s\n%s: %s",
778 status_item_list[SI_ATTRIBUTES_BITMAP], att_bitmap,
779 status_item_list[SI_ATTRIBUTES_TXT], att_text);
784 static char *make_lyrics_lines(struct afs_info *afsi)
788 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
789 return make_message("%s: %u\n%s: %s\n",
790 status_item_list[SI_LYRICS_ID], afsi->lyrics_id,
791 status_item_list[SI_LYRICS_NAME], lyrics_name?
792 lyrics_name : "(none)");
795 static char *make_image_lines(struct afs_info *afsi)
798 img_get_name_by_id(afsi->image_id, &image_name);
799 return make_message("%s: %u\n%s: %s\n",
800 status_item_list[SI_IMAGE_ID], afsi->image_id,
801 status_item_list[SI_IMAGE_NAME], image_name?
802 image_name : "(none)");
805 static char *make_filename_lines(const char *path, unsigned flags)
807 char *basename, *dirname;
810 if (!(flags & LS_FLAG_FULL_PATH))
811 return make_message("%s: %s\n",
812 status_item_list[SI_BASENAME], path);
813 basename = para_basename(path),
814 dirname = para_dirname(path);
815 ret = make_message("%s: %s\n%s: %s\n%s: %s\n",
816 status_item_list[SI_PATH], path,
817 status_item_list[SI_DIRECTORY], dirname,
818 status_item_list[SI_BASENAME], basename);
824 static int print_list_item(struct ls_data *d, struct ls_options *opts,
825 struct para_buffer *b, time_t current_time)
829 char last_played_time[30];
830 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
831 char score_buf[30] = "";
832 struct afs_info *afsi = &d->afsi;
833 struct afh_info *afhi = &d->afhi;
834 struct ls_widths *w = &opts->widths;
835 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
836 char asc_hash[2 * HASH_SIZE + 1];
837 char *att_lines, *lyrics_lines, *image_lines, *filename_lines;
839 if (opts->mode == LS_MODE_SHORT) {
840 para_printf(b, "%s\n", d->path);
843 get_attribute_bitmap(&afsi->attributes, att_buf);
844 ret = get_local_time(&afsi->last_played, last_played_time,
845 sizeof(last_played_time), current_time, opts->mode);
848 get_duration_buf(afhi->seconds_total, duration_buf, opts);
850 if (opts->mode == LS_MODE_LONG)
851 sprintf(score_buf, "%*li ", w->score_width, d->score);
853 sprintf(score_buf, "%li ", d->score);
856 if (opts->mode == LS_MODE_LONG) {
859 "%s " /* attributes */
860 "%*d " /* image_id */
861 "%*d " /* lyrics_id */
863 "%s " /* audio format */
864 "%*d " /* frequency */
867 "%*d " /* num_played */
868 "%s " /* last_played */
872 w->image_id_width, afsi->image_id,
873 w->lyrics_id_width, afsi->lyrics_id,
874 w->bitrate_width, afhi->bitrate,
875 audio_format_name(afsi->audio_format_id),
876 w->frequency_width, afhi->frequency,
879 w->num_played_width, afsi->num_played,
885 hash_to_asc(d->hash, asc_hash);
886 att_lines = make_attribute_lines(att_buf, afsi);
887 lyrics_lines = make_lyrics_lines(afsi);
888 image_lines = make_image_lines(afsi);
889 filename_lines = make_filename_lines(d->path, opts->flags);
890 if (opts->mode == LS_MODE_MBOX)
892 "From foo@localhost %s\n"
893 "Received: from\nTo: bar\nFrom: a\n"
898 "%s" /* filename stuff */
899 "%s%s%s%s" /* score */
900 "%s\n" /* attributes */
901 "%s: %s\n" /* hash */
902 "%s" /* image id, image name */
904 "%s: %dkbit/s\n" /* bitrate */
905 "%s: %s\n" /* format */
906 "%s: %dHz\n" /* frequency */
907 "%s: %d\n" /* channels */
908 "%s: %s\n" /* duration */
909 "%s: %lu\n" /* seconds total */
910 "%s: %s\n" /* last played time */
911 "%s: %d\n" /* num_played */
912 "%s\n", /* tag info */
914 have_score? status_item_list[SI_SCORE] : "",
915 have_score? ": " : "",
917 have_score? "\n" : "",
919 status_item_list[SI_HASH], asc_hash,
922 status_item_list[SI_BITRATE], afhi->bitrate,
923 status_item_list[SI_FORMAT], audio_format_name(afsi->audio_format_id),
924 status_item_list[SI_FREQUENCY], afhi->frequency,
925 status_item_list[SI_CHANNELS], afhi->channels,
926 status_item_list[SI_DURATION], duration_buf,
927 status_item_list[SI_SECONDS_TOTAL], afhi->seconds_total,
928 status_item_list[SI_LAST_PLAYED], last_played_time,
929 status_item_list[SI_NUM_PLAYED], afsi->num_played,
932 if (opts->mode == LS_MODE_MBOX) {
933 struct osl_object lyrics_def;
934 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
935 if (lyrics_def.data) {
936 para_printf(b, "Lyrics:\n~~~~~~~\n%s",
937 (char *)lyrics_def.data);
938 osl_close_disk_object(&lyrics_def);
944 free(filename_lines);
948 void make_empty_status_items(char *buf)
952 "%s: \n" /* dirname */
953 "%s: \n" /* basename */
955 "%s: \n" /* attributes bitnmap */
956 "%s: \n" /* attributes txt */
958 "%s: \n" /* image id */
959 "%s: \n" /* image name */
960 "%s: \n" /* lyrics id */
961 "%s: \n" /* lyrics name */
962 "%s: \n" /* bitrate */
963 "%s: \n" /* format */
964 "%s: \n" /* frequency */
965 "%s: \n" /* channels */
966 "%s: \n" /* duration */
967 "%s: \n" /* seconds total */
968 "%s: \n" /* num played */
969 "%s: \n" /* last played */
971 status_item_list[SI_PATH],
972 status_item_list[SI_DIRECTORY],
973 status_item_list[SI_BASENAME],
974 status_item_list[SI_SCORE],
975 status_item_list[SI_ATTRIBUTES_BITMAP],
976 status_item_list[SI_ATTRIBUTES_TXT],
977 status_item_list[SI_HASH],
978 status_item_list[SI_IMAGE_ID],
979 status_item_list[SI_IMAGE_NAME],
980 status_item_list[SI_LYRICS_ID],
981 status_item_list[SI_LYRICS_NAME],
982 status_item_list[SI_BITRATE],
983 status_item_list[SI_FORMAT],
984 status_item_list[SI_FREQUENCY],
985 status_item_list[SI_CHANNELS],
986 status_item_list[SI_DURATION],
987 status_item_list[SI_SECONDS_TOTAL],
988 status_item_list[SI_NUM_PLAYED],
989 status_item_list[SI_LAST_PLAYED]
993 int make_status_items(struct ls_data *d, struct para_buffer *pb)
995 struct ls_options opts = {
996 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
997 .mode = LS_MODE_VERBOSE,
1001 time(¤t_time);
1002 return print_list_item(d, &opts, pb, current_time);
1006 static int ls_audio_format_compare(const void *a, const void *b)
1008 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1009 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1012 static int ls_duration_compare(const void *a, const void *b)
1014 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1015 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1018 static int ls_bitrate_compare(const void *a, const void *b)
1020 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1021 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1024 static int ls_lyrics_id_compare(const void *a, const void *b)
1026 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1027 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1030 static int ls_image_id_compare(const void *a, const void *b)
1032 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1033 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1036 static int ls_channels_compare(const void *a, const void *b)
1038 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1039 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1042 static int ls_frequency_compare(const void *a, const void *b)
1044 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1045 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1048 static int ls_num_played_compare(const void *a, const void *b)
1050 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1051 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1054 static int ls_last_played_compare(const void *a, const void *b)
1056 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1057 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1060 static int ls_score_compare(const void *a, const void *b)
1062 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1063 return NUM_COMPARE(d1->score, d2->score);
1066 static int ls_path_compare(const void *a, const void *b)
1068 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1069 return strcmp(d1->path, d2->path);
1072 static int sort_matching_paths(struct ls_options *options)
1074 size_t nmemb = options->num_matching_paths;
1075 size_t size = sizeof(*options->data_ptr);
1076 int (*compar)(const void *, const void *);
1079 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1080 for (i = 0; i < nmemb; i++)
1081 options->data_ptr[i] = options->data + i;
1083 /* In these cases the array is already sorted */
1084 if (options->sorting == LS_SORT_BY_PATH
1085 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1086 && (options->flags & LS_FLAG_FULL_PATH))
1088 if (options->sorting == LS_SORT_BY_SCORE &&
1089 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1092 switch (options->sorting) {
1093 case LS_SORT_BY_PATH:
1094 compar = ls_path_compare; break;
1095 case LS_SORT_BY_SCORE:
1096 compar = ls_score_compare; break;
1097 case LS_SORT_BY_LAST_PLAYED:
1098 compar = ls_last_played_compare; break;
1099 case LS_SORT_BY_NUM_PLAYED:
1100 compar = ls_num_played_compare; break;
1101 case LS_SORT_BY_FREQUENCY:
1102 compar = ls_frequency_compare; break;
1103 case LS_SORT_BY_CHANNELS:
1104 compar = ls_channels_compare; break;
1105 case LS_SORT_BY_IMAGE_ID:
1106 compar = ls_image_id_compare; break;
1107 case LS_SORT_BY_LYRICS_ID:
1108 compar = ls_lyrics_id_compare; break;
1109 case LS_SORT_BY_BITRATE:
1110 compar = ls_bitrate_compare; break;
1111 case LS_SORT_BY_DURATION:
1112 compar = ls_duration_compare; break;
1113 case LS_SORT_BY_AUDIO_FORMAT:
1114 compar = ls_audio_format_compare; break;
1118 qsort(options->data_ptr, nmemb, size, compar);
1122 /* row is either an aft_row or a row of the score table */
1123 /* TODO: Only compute widths if we need them */
1124 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1127 struct ls_options *options = ls_opts;
1129 struct ls_widths *w;
1130 unsigned short num_digits;
1132 struct osl_row *aft_row;
1136 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1137 ret = get_score_and_aft_row(row, &score, &aft_row);
1142 ret = get_audio_file_path_of_row(aft_row, &path);
1145 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1146 char *p = strrchr(path, '/');
1150 if (options->num_patterns) {
1151 for (i = 0; i < options->num_patterns; i++) {
1152 ret = fnmatch(options->patterns[i], path, 0);
1155 if (ret == FNM_NOMATCH)
1159 if (i >= options->num_patterns) /* no match */
1162 tmp = options->num_matching_paths++;
1163 if (options->num_matching_paths > options->array_size) {
1164 options->array_size++;
1165 options->array_size *= 2;
1166 options->data = para_realloc(options->data, options->array_size
1167 * sizeof(*options->data));
1169 d = options->data + tmp;
1170 ret = get_afsi_of_row(aft_row, &d->afsi);
1173 ret = get_afhi_of_row(aft_row, &d->afhi);
1177 ret = get_hash_of_row(aft_row, &d->hash);
1180 w = &options->widths;
1181 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1182 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1183 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1184 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1185 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1186 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1187 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1188 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1189 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1190 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1191 /* get the number of chars to print this amount of time */
1192 tmp = get_duration_width(d->afhi.seconds_total);
1193 w->duration_width = PARA_MAX(w->duration_width, tmp);
1194 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1195 GET_NUM_DIGITS(score, &num_digits);
1196 num_digits++; /* add one for the sign (space or "-") */
1197 w->score_width = PARA_MAX(w->score_width, num_digits);
1203 static int com_ls_callback(const struct osl_object *query,
1204 struct osl_object *ls_output)
1206 struct ls_options *opts = query->data;
1207 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1208 struct para_buffer b = {.buf = NULL, .size = 0};
1210 time_t current_time;
1213 if (opts->num_patterns) {
1214 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1215 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1216 opts->patterns[i] = p;
1220 opts->patterns = NULL;
1221 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1222 ret = admissible_file_loop(opts, prepare_ls_row);
1224 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1228 ret = opts->num_patterns? -E_NO_MATCH : 0;
1229 if (!opts->num_matching_paths)
1231 ret = sort_matching_paths(opts);
1234 time(¤t_time);
1235 if (opts->flags & LS_FLAG_REVERSE)
1236 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1237 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1242 for (i = 0; i < opts->num_matching_paths; i++) {
1243 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1249 ls_output->data = b.buf;
1250 ls_output->size = b.size;
1252 free(opts->data_ptr);
1253 free(opts->patterns);
1258 * TODO: flags -h (sort by hash)
1260 int com_ls(int fd, int argc, char * const * const argv)
1264 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1265 enum ls_listing_mode mode = LS_MODE_SHORT;
1266 struct ls_options opts = {.patterns = NULL};
1267 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1270 for (i = 1; i < argc; i++) {
1271 const char *arg = argv[i];
1274 if (!strcmp(arg, "--")) {
1278 if (!strncmp(arg, "-l", 2)) {
1280 mode = LS_MODE_LONG;
1284 return -E_AFT_SYNTAX;
1285 switch(*(arg + 2)) {
1287 mode = LS_MODE_SHORT;
1290 mode = LS_MODE_LONG;
1293 mode = LS_MODE_VERBOSE;
1296 mode = LS_MODE_MBOX;
1299 return -E_AFT_SYNTAX;
1302 if (!strcmp(arg, "-p")) {
1303 flags |= LS_FLAG_FULL_PATH;
1306 if (!strcmp(arg, "-a")) {
1307 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1310 if (!strcmp(arg, "-r")) {
1311 flags |= LS_FLAG_REVERSE;
1314 if (!strncmp(arg, "-s", 2)) {
1315 if (!*(arg + 2) || *(arg + 3))
1316 return -E_AFT_SYNTAX;
1317 switch(*(arg + 2)) {
1319 sort = LS_SORT_BY_PATH;
1321 case 's': /* -ss implies -a */
1322 sort = LS_SORT_BY_SCORE;
1323 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1326 sort = LS_SORT_BY_LAST_PLAYED;
1329 sort = LS_SORT_BY_NUM_PLAYED;
1332 sort = LS_SORT_BY_FREQUENCY;
1335 sort = LS_SORT_BY_CHANNELS;
1338 sort = LS_SORT_BY_IMAGE_ID;
1341 sort = LS_SORT_BY_LYRICS_ID;
1344 sort = LS_SORT_BY_BITRATE;
1347 sort = LS_SORT_BY_DURATION;
1350 sort = LS_SORT_BY_AUDIO_FORMAT;
1353 return -E_AFT_SYNTAX;
1356 return -E_AFT_SYNTAX;
1359 opts.sorting = sort;
1361 opts.num_patterns = argc - i;
1362 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1363 argv + i, com_ls_callback, &ls_output);
1365 ret = send_buffer(fd, (char *)ls_output.data);
1366 free(ls_output.data);
1372 * Call the given function for each file in the audio file table.
1374 * \param private_data An arbitrary data pointer, passed to \a func.
1375 * \param func The custom function to be called.
1377 * \return The return value of the underlying call to osl_rbtree_loop().
1379 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1381 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1385 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1387 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1388 struct osl_row *row;
1390 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1394 enum aft_row_offsets {
1395 AFTROW_AFHI_OFFSET_POS = 0,
1396 AFTROW_CHUNKS_OFFSET_POS = 2,
1397 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1398 AFTROW_FLAGS_OFFSET = 5,
1399 AFTROW_HASH_OFFSET = 9,
1400 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1403 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1404 * In this case, afhi won't be stored in the buffer */
1405 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1406 struct afh_info *afhi, uint32_t flags,
1407 uint8_t audio_format_num, struct osl_object *obj)
1409 size_t path_len = strlen(path) + 1;
1410 size_t afhi_size = sizeof_afhi_buf(afhi);
1411 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1412 + sizeof_chunk_table(afhi);
1413 char *buf = para_malloc(size);
1416 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1417 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1419 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1420 strcpy(buf + AFTROW_PATH_OFFSET, path);
1422 pos = AFTROW_PATH_OFFSET + path_len;
1423 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1424 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1425 pos + afhi_size - 1);
1426 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1427 save_afhi(afhi, buf + pos);
1430 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1431 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1433 save_chunk_table(afhi, buf + pos);
1434 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1448 AFHI: whether afhi and chunk table are computed and sent
1449 ACTION: table modifications to be performed
1451 +---+----+-----+------+---------------------------------------------------+
1452 | HS | PB | F | AFHI | ACTION
1453 +---+----+-----+------+---------------------------------------------------+
1454 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1455 | | update path, keep afsi
1456 +---+----+-----+------+---------------------------------------------------+
1457 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1458 | | otherwise: remove PB, HS: update path, keep afhi,
1460 +---+----+-----+------+---------------------------------------------------+
1461 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1463 +---+----+-----+------+---------------------------------------------------+
1464 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1465 +---+----+-----+------+---------------------------------------------------+
1466 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1467 | | (force has no effect)
1468 +---+----+-----+------+---------------------------------------------------+
1469 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1470 +---+----+-----+------+---------------------------------------------------+
1471 | N | N | Y | Y | (new file) create new entry (force has no effect)
1472 +---+----+-----+------+---------------------------------------------------+
1473 | N | N | N | Y | (new file) create new entry
1474 +---+----+-----+------+---------------------------------------------------+
1476 afhi <=> force or no HS
1480 /** Flags passed to the add command. */
1481 enum com_add_flags {
1482 /** Skip paths that exist already. */
1484 /** Force adding. */
1486 /** Print what is being done. */
1487 ADD_FLAG_VERBOSE = 4,
1488 /** Try to add files with unknown suffixes. */
1492 static int com_add_callback(const struct osl_object *query,
1493 struct osl_object *result)
1495 char *buf = query->data, *path;
1496 struct osl_row *pb, *aft_row;
1498 struct osl_object objs[NUM_AFT_COLUMNS];
1500 char asc[2 * HASH_SIZE + 1];
1502 char afsi_buf[AFSI_SIZE];
1503 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1504 struct afs_info default_afsi = {.last_played = 0};
1505 struct para_buffer msg = {.buf = NULL};
1507 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1508 hash_to_asc(hash, asc);;
1509 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1510 objs[AFTCOL_HASH].size = HASH_SIZE;
1512 path = buf + AFTROW_PATH_OFFSET;
1513 objs[AFTCOL_PATH].data = path;
1514 objs[AFTCOL_PATH].size = strlen(path) + 1;
1516 PARA_INFO_LOG("request to add %s\n", path);
1517 hs = find_hash_sister(hash);
1518 ret = aft_get_row_of_path(path, &pb);
1519 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1521 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1522 if (flags & ADD_FLAG_VERBOSE)
1523 para_printf(&msg, "ignoring duplicate\n");
1527 if (hs && hs != pb) {
1528 struct osl_object obj;
1529 if (pb) { /* hs trumps pb, remove pb */
1530 if (flags & ADD_FLAG_VERBOSE)
1531 para_printf(&msg, "removing path brother\n");
1532 ret = osl_del_row(audio_file_table, pb);
1537 /* file rename, update hs' path */
1538 if (flags & ADD_FLAG_VERBOSE) {
1539 ret = osl_get_object(audio_file_table, hs,
1543 para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1545 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1546 &objs[AFTCOL_PATH]);
1549 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1550 if (!(flags & ADD_FLAG_FORCE))
1553 /* no hs or force mode, child must have sent afhi */
1554 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1555 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1557 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1558 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1560 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1562 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1563 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1564 if (pb && !hs) { /* update pb's hash */
1565 char old_asc[2 * HASH_SIZE + 1];
1566 HASH_TYPE *old_hash;
1567 ret = get_hash_of_row(pb, &old_hash);
1570 hash_to_asc(old_hash, old_asc);
1571 if (flags & ADD_FLAG_VERBOSE)
1572 para_printf(&msg, "file change: %s -> %s\n",
1574 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1575 &objs[AFTCOL_HASH]);
1579 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1580 struct osl_row *row = pb? pb : hs;
1581 /* update afhi and chunk_table */
1582 if (flags & ADD_FLAG_VERBOSE)
1583 para_printf(&msg, "updating afhi and chunk table\n");
1584 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1585 &objs[AFTCOL_AFHI]);
1588 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1589 &objs[AFTCOL_CHUNKS]);
1592 afs_event(AFHI_CHANGE, &msg, row);
1595 /* new entry, use default afsi */
1596 if (flags & ADD_FLAG_VERBOSE)
1597 para_printf(&msg, "new file\n");
1598 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1599 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1601 objs[AFTCOL_AFSI].data = &afsi_buf;
1602 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1603 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1604 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1605 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1608 para_printf(&msg, "%s\n", PARA_STRERROR(-ret));
1611 result->data = msg.buf;
1612 result->size = msg.size;
1616 /** Used by com_add(). */
1617 struct private_add_data {
1618 /** The socket file descriptor. */
1620 /** The given add flags. */
1624 static int path_brother_callback(const struct osl_object *query,
1625 struct osl_object *result)
1627 char *path = query->data;
1628 struct osl_row *path_brother;
1629 int ret = aft_get_row_of_path(path, &path_brother);
1632 result->data = para_malloc(sizeof(path_brother));
1633 result->size = sizeof(path_brother);
1634 *(struct osl_row **)(result->data) = path_brother;
1638 static int hash_sister_callback(const struct osl_object *query,
1639 struct osl_object *result)
1641 HASH_TYPE *hash = query->data;
1642 struct osl_row *hash_sister;
1644 hash_sister = find_hash_sister(hash);
1646 return -E_RB_KEY_NOT_FOUND;
1647 result->data = para_malloc(sizeof(hash_sister));
1648 result->size = sizeof(hash_sister);
1649 *(struct osl_row **)(result->data) = hash_sister;
1653 static int add_one_audio_file(const char *path, const void *private_data)
1655 int ret, send_ret = 1;
1656 uint8_t format_num = -1;
1657 const struct private_add_data *pad = private_data;
1658 struct afh_info afhi, *afhi_ptr = NULL;
1659 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1660 struct osl_object map, obj = {.data = NULL}, query, result = {.data = NULL};
1661 HASH_TYPE hash[HASH_SIZE];
1663 afhi.header_offset = 0;
1664 afhi.header_len = 0;
1665 ret = guess_audio_format(path);
1666 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1668 query.data = (char *)path;
1669 query.size = strlen(path) + 1;
1670 ret = send_callback_request(path_brother_callback, &query, &result);
1671 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1674 pb = *(struct osl_row **)result.data;
1678 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1679 if (pad->flags & ADD_FLAG_VERBOSE)
1680 send_ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1683 /* We still want to add this file. Compute its hash. */
1684 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, NULL);
1687 hash_function(map.data, map.size, hash);
1689 /* Check whether the database contains a file with the same hash. */
1691 query.size = HASH_SIZE;
1692 ret = send_callback_request(hash_sister_callback, &query, &result);
1693 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1696 hs = *(struct osl_row **)result.data;
1699 /* Return success if we already know this file. */
1701 if (pb && hs && hs == pb && !(pad->flags & ADD_FLAG_FORCE)) {
1702 if (pad->flags & ADD_FLAG_VERBOSE)
1703 send_ret = send_va_buffer(pad->fd,
1704 "%s exists, not forcing update\n", path);
1708 * We won't recalculate the audio format info and the chunk table if
1709 * there is a hash sister and FORCE was not given.
1711 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1712 ret = compute_afhi(path, map.data, map.size, &afhi);
1718 munmap(map.data, map.size);
1719 if (pad->flags & ADD_FLAG_VERBOSE) {
1720 send_ret = send_va_buffer(pad->fd, "adding %s\n", path);
1724 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1725 /* Ask afs to consider this entry for adding. */
1726 ret = send_callback_request(com_add_callback, &obj, &result);
1728 send_ret = send_va_buffer(pad->fd, "%s", (char *)result.data);
1734 munmap(map.data, map.size);
1736 if (ret < 0 && send_ret >= 0)
1737 send_ret = send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1738 PARA_STRERROR(-ret));
1741 free(afhi_ptr->chunk_table);
1742 /* Stop adding files only on send errors. */
1746 int com_add(int fd, int argc, char * const * const argv)
1749 struct private_add_data pad = {.fd = fd, .flags = 0};
1750 struct stat statbuf;
1752 for (i = 1; i < argc; i++) {
1753 const char *arg = argv[i];
1756 if (!strcmp(arg, "--")) {
1760 if (!strcmp(arg, "-a")) {
1761 pad.flags |= ADD_FLAG_ALL;
1764 if (!strcmp(arg, "-l")) {
1765 pad.flags |= ADD_FLAG_LAZY;
1768 if (!strcmp(arg, "-f")) {
1769 pad.flags |= ADD_FLAG_FORCE;
1772 if (!strcmp(arg, "-v")) {
1773 pad.flags |= ADD_FLAG_VERBOSE;
1778 return -E_AFT_SYNTAX;
1779 for (; i < argc; i++) {
1781 ret = verify_path(argv[i], &path);
1783 ret = send_va_buffer(fd, "%s: %s\n", argv[i], PARA_STRERROR(-ret));
1788 ret = stat(path, &statbuf);
1790 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1797 if (S_ISDIR(statbuf.st_mode))
1798 ret = for_each_file_in_dir(path, add_one_audio_file,
1801 ret = add_one_audio_file(path, &pad);
1803 send_va_buffer(fd, "%s: %s\n", path, PARA_STRERROR(-ret));
1814 * Flags used by the touch command.
1819 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1820 TOUCH_FLAG_FNM_PATHNAME = 1,
1821 /** Activates verbose mode. */
1822 TOUCH_FLAG_VERBOSE = 2
1825 /** Options used by com_touch(). */
1826 struct com_touch_options {
1827 /** New num_played value. */
1829 /** New last played count. */
1830 int64_t last_played;
1831 /** new lyrics id. */
1833 /** new image id. */
1835 /** command line flags (see \ref touch_flags). */
1839 /** Data passed to the action handler of com_touch(). */
1840 struct touch_action_data {
1841 /** Command line options (see \ref com_touch_options). */
1842 struct com_touch_options *cto;
1843 /** Message buffer. */
1844 struct para_buffer pb;
1847 static int touch_audio_file(__a_unused struct osl_table *table,
1848 struct osl_row *row, const char *name, void *data)
1850 struct touch_action_data *tad = data;
1851 struct osl_object obj;
1852 struct afs_info old_afsi, new_afsi;
1853 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1854 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1855 struct afsi_change_event_data aced;
1857 ret = get_afsi_object_of_row(row, &obj);
1859 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1862 ret = load_afsi(&old_afsi, &obj);
1864 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1867 new_afsi = old_afsi;
1869 new_afsi.num_played++;
1870 new_afsi.last_played = time(NULL);
1871 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1872 para_printf(&tad->pb, "%s: num_played = %u, "
1873 "last_played = now()\n", name,
1874 new_afsi.num_played);
1876 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1877 para_printf(&tad->pb, "touching %s\n", name);
1878 if (tad->cto->lyrics_id >= 0)
1879 new_afsi.lyrics_id = tad->cto->lyrics_id;
1880 if (tad->cto->image_id >= 0)
1881 new_afsi.image_id = tad->cto->image_id;
1882 if (tad->cto->num_played >= 0)
1883 new_afsi.num_played = tad->cto->num_played;
1884 if (tad->cto->last_played >= 0)
1885 new_afsi.last_played = tad->cto->last_played;
1887 save_afsi(&new_afsi, &obj); /* in-place update */
1889 aced.old_afsi = &old_afsi;
1890 afs_event(AFSI_CHANGE, &tad->pb, &aced);
1894 static int com_touch_callback(const struct osl_object *query,
1895 struct osl_object *result)
1897 struct touch_action_data tad = {.cto = query->data};
1899 struct pattern_match_data pmd = {
1900 .table = audio_file_table,
1901 .loop_col_num = AFTCOL_HASH,
1902 .match_col_num = AFTCOL_PATH,
1903 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1904 .size = query->size - sizeof(*tad.cto)},
1906 .action = touch_audio_file
1908 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1909 pmd.fnmatch_flags |= FNM_PATHNAME;
1910 ret = for_each_matching_row(&pmd);
1912 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1914 result->data = tad.pb.buf;
1915 result->size = tad.pb.size;
1918 return ret < 0? ret : 0;
1921 int com_touch(int fd, int argc, char * const * const argv)
1923 struct com_touch_options cto = {
1929 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1934 for (i = 1; i < argc; i++) {
1935 const char *arg = argv[i];
1938 if (!strcmp(arg, "--")) {
1942 if (!strncmp(arg, "-n", 2)) {
1943 ret = para_atoi32(arg + 2, &cto.num_played);
1948 if (!strncmp(arg, "-l", 2)) {
1949 ret = para_atoi64(arg + 2, &cto.last_played);
1954 if (!strncmp(arg, "-y", 2)) {
1955 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1960 if (!strncmp(arg, "-i", 2)) {
1961 ret = para_atoi32(arg + 2, &cto.image_id);
1966 if (!strcmp(arg, "-p")) {
1967 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1970 if (!strcmp(arg, "-v")) {
1971 cto.flags |= TOUCH_FLAG_VERBOSE;
1974 break; /* non-option starting with dash */
1977 return -E_AFT_SYNTAX;
1978 ret = send_option_arg_callback_request(&query, argc - i,
1979 argv + i, com_touch_callback, &result);
1981 send_buffer(fd, (char *)result.data);
1984 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1988 /** Flags for com_rm(). */
1991 RM_FLAG_VERBOSE = 1,
1995 RM_FLAG_FNM_PATHNAME = 4
1998 /** Data passed to the action handler of com_rm(). */
1999 struct com_rm_action_data {
2000 /** Command line flags ((see \ref rm_flags). */
2002 /** Message buffer. */
2003 struct para_buffer pb;
2004 /** Number of audio files removed. */
2005 unsigned num_removed;
2008 static int remove_audio_file(__a_unused struct osl_table *table,
2009 struct osl_row *row, const char *name, void *data)
2011 struct com_rm_action_data *crd = data;
2014 if (crd->flags & RM_FLAG_VERBOSE)
2015 para_printf(&crd->pb, "removing %s\n", name);
2016 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2017 ret = osl_del_row(audio_file_table, row);
2019 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
2025 static int com_rm_callback(const struct osl_object *query,
2026 __a_unused struct osl_object *result)
2028 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data};
2030 struct pattern_match_data pmd = {
2031 .table = audio_file_table,
2032 .loop_col_num = AFTCOL_HASH,
2033 .match_col_num = AFTCOL_PATH,
2034 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2035 .size = query->size - sizeof(uint32_t)},
2037 .action = remove_audio_file
2039 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2040 pmd.fnmatch_flags |= FNM_PATHNAME;
2041 ret = for_each_matching_row(&pmd);
2043 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
2044 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2045 para_printf(&crd.pb, "no matches -- nothing removed\n");
2047 if (crd.flags & RM_FLAG_VERBOSE)
2048 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2051 result->data = crd.pb.buf;
2052 result->size = crd.pb.size;
2055 return ret < 0? ret : 0;
2058 /* TODO options: -r (recursive) */
2059 int com_rm(int fd, int argc, char * const * const argv)
2062 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
2066 for (i = 1; i < argc; i++) {
2067 const char *arg = argv[i];
2070 if (!strcmp(arg, "--")) {
2074 if (!strcmp(arg, "-f")) {
2075 flags |= RM_FLAG_FORCE;
2078 if (!strcmp(arg, "-p")) {
2079 flags |= RM_FLAG_FNM_PATHNAME;
2082 if (!strcmp(arg, "-v")) {
2083 flags |= RM_FLAG_VERBOSE;
2089 return -E_AFT_SYNTAX;
2090 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2091 com_rm_callback, &result);
2093 send_buffer(fd, (char *)result.data);
2096 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2101 * Flags used by the cpsi command.
2106 /** Whether the lyrics id should be copied. */
2107 CPSI_FLAG_COPY_LYRICS_ID = 1,
2108 /** Whether the image id should be copied. */
2109 CPSI_FLAG_COPY_IMAGE_ID = 2,
2110 /** Whether the lastplayed time should be copied. */
2111 CPSI_FLAG_COPY_LASTPLAYED = 4,
2112 /** Whether the numplayed count should be copied. */
2113 CPSI_FLAG_COPY_NUMPLAYED = 8,
2114 /** Whether the attributes should be copied. */
2115 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2116 /** Activates verbose mode. */
2117 CPSI_FLAG_VERBOSE = 32,
2120 /** Data passed to the action handler of com_cpsi(). */
2121 struct cpsi_action_data {
2122 /** command line flags (see \ref cpsi_flags). */
2124 /** Number of audio files changed. */
2125 unsigned num_copied;
2126 /** Message buffer. */
2127 struct para_buffer pb;
2128 /** Values are copied from here. */
2129 struct afs_info source_afsi;
2132 static int copy_selector_info(__a_unused struct osl_table *table,
2133 struct osl_row *row, const char *name, void *data)
2135 struct cpsi_action_data *cad = data;
2136 struct osl_object target_afsi_obj;
2138 struct afs_info old_afsi, target_afsi;
2139 struct afsi_change_event_data aced;
2141 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2144 load_afsi(&target_afsi, &target_afsi_obj);
2145 old_afsi = target_afsi;
2146 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2147 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2148 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2149 target_afsi.image_id = cad->source_afsi.image_id;
2150 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2151 target_afsi.last_played = cad->source_afsi.last_played;
2152 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2153 target_afsi.num_played = cad->source_afsi.num_played;
2154 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2155 target_afsi.attributes = cad->source_afsi.attributes;
2156 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2158 if (cad->flags & CPSI_FLAG_VERBOSE)
2159 para_printf(&cad->pb, "copied afsi to %s\n", name);
2161 aced.old_afsi = &old_afsi;
2162 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2166 static int com_cpsi_callback(const struct osl_object *query,
2167 struct osl_object *result)
2169 struct cpsi_action_data cad = {.flags = *(unsigned *)query->data};
2171 char *source_path = (char *)query->data + sizeof(cad.flags);
2173 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2176 struct pattern_match_data pmd = {
2177 .table = audio_file_table,
2178 .loop_col_num = AFTCOL_HASH,
2179 .match_col_num = AFTCOL_PATH,
2180 .patterns = {.data = source_path + strlen(source_path) + 1,
2181 .size = query->size - sizeof(cad.flags)
2182 - strlen(source_path) - 1},
2184 .action = copy_selector_info
2186 ret = for_each_matching_row(&pmd);
2189 para_printf(&cad.pb, "%s\n", PARA_STRERROR(-ret));
2190 if (cad.flags & CPSI_FLAG_VERBOSE) {
2192 para_printf(&cad.pb, "copied requested afsi from %s "
2194 source_path, cad.num_copied);
2196 para_printf(&cad.pb, "nothing copied\n");
2199 result->data = cad.pb.buf;
2200 result->size = cad.pb.size;
2203 return ret < 0? ret : 0;
2206 int com_cpsi(int fd, int argc, char * const * const argv)
2210 struct osl_object options = {.data = &flags, .size = sizeof(flags)},
2213 for (i = 1; i < argc; i++) {
2214 const char *arg = argv[i];
2217 if (!strcmp(arg, "--")) {
2221 if (!strcmp(arg, "-y")) {
2222 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2225 if (!strcmp(arg, "-i")) {
2226 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2229 if (!strcmp(arg, "-l")) {
2230 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2233 if (!strcmp(arg, "-n")) {
2234 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2237 if (!strcmp(arg, "-a")) {
2238 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2241 if (!strcmp(arg, "-v")) {
2242 flags |= CPSI_FLAG_VERBOSE;
2247 if (i + 1 >= argc) /* need at least souce file and pattern */
2248 return -E_AFT_SYNTAX;
2249 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2250 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2251 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2252 com_cpsi_callback, &result);
2254 send_buffer(fd, (char *)result.data);
2257 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2261 /* TODO: optionally fix problems by removing offending rows */
2262 static int check_audio_file(struct osl_row *row, void *data)
2265 struct para_buffer *pb = data;
2266 struct stat statbuf;
2267 int ret = get_audio_file_path_of_row(row, &path);
2268 struct afs_info afsi;
2272 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
2275 if (stat(path, &statbuf) < 0)
2276 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2278 if (!S_ISREG(statbuf.st_mode))
2279 para_printf(pb, "%s: not a regular file\n", path);
2281 ret = get_afsi_of_row(row, &afsi);
2283 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
2286 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2288 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2289 PARA_STRERROR(-ret));
2290 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2292 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2293 PARA_STRERROR(-ret));
2298 * Check the audio file table for inconsistencies.
2300 * \param query Unused.
2301 * \param result Contains message string upon return.
2303 * This function always succeeds.
2307 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
2309 struct para_buffer pb = {.buf = NULL};
2311 para_printf(&pb, "checking audio file table...\n");
2312 audio_file_loop(&pb, check_audio_file);
2313 result->data = pb.buf;
2314 result->size = pb.size;
2320 * Close the audio file table.
2322 * \param flags Usual flags that are passed to osl_close_table().
2324 * \sa osl_close_table().
2326 static void aft_close(void)
2328 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2329 audio_file_table = NULL;
2333 * Open the audio file table.
2335 * \param dir The database directory.
2339 * \sa osl_open_table().
2341 static int aft_open(const char *dir)
2345 audio_file_table_desc.dir = dir;
2346 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2349 osl_get_num_rows(audio_file_table, &num);
2350 PARA_INFO_LOG("audio file table contains %d files\n", num);
2353 PARA_INFO_LOG("failed to open audio file table\n");
2354 audio_file_table = NULL;
2355 if (ret >= 0 || is_errno(-ret, ENOENT))
2360 static int aft_create(const char *dir)
2362 audio_file_table_desc.dir = dir;
2363 return osl_create_table(&audio_file_table_desc);
2366 static int clear_attribute(struct osl_row *row, void *data)
2368 struct rmatt_event_data *red = data;
2369 struct afs_info afsi;
2370 struct osl_object obj;
2371 int ret = get_afsi_object_of_row(row, &obj);
2372 uint64_t mask = ~(1ULL << red->bitnum);
2376 ret = load_afsi(&afsi, &obj);
2379 afsi.attributes &= mask;
2380 save_afsi(&afsi, &obj);
2384 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2388 case ATTRIBUTE_REMOVE: {
2389 const struct rmatt_event_data *red = data;
2390 para_printf(pb, "clearing attribute %s (bit %u) from all "
2391 "entries in the audio file table\n", red->name,
2393 return audio_file_loop(data, clear_attribute);
2400 void aft_init(struct afs_table *t)
2402 t->name = audio_file_table_desc.name;
2404 t->close = aft_close;
2405 t->create = aft_create;
2406 t->event_handler = aft_event_handler;