2 * Copyright (C) 2007-2009 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() */
23 #include "portable_io.h"
25 static struct osl_table *audio_file_table;
27 /** The different sorting methods of the ls command. */
28 enum ls_sorting_method {
34 LS_SORT_BY_LAST_PLAYED,
36 LS_SORT_BY_NUM_PLAYED,
50 LS_SORT_BY_AUDIO_FORMAT,
55 /** The different listing modes of the ls command. */
56 enum ls_listing_mode {
57 /** Default listing mode. */
69 /** The flags accepted by the ls command. */
72 LS_FLAG_FULL_PATH = 1,
74 LS_FLAG_ADMISSIBLE_ONLY = 2,
82 * The size of the individual output fields of the ls command.
84 * These depend on the actual content being listed. If, for instance only files
85 * with duration less than an hour are being listed, then the duration with is
86 * made smaller because then the duration is listed as mm:ss rather than
90 /** size of the score field. */
91 unsigned short score_width;
92 /** size of the image id field. */
93 unsigned short image_id_width;
94 /** size of the lyrics id field. */
95 unsigned short lyrics_id_width;
96 /** size of the bitrate field. */
97 unsigned short bitrate_width;
98 /** size of the frequency field. */
99 unsigned short frequency_width;
100 /** size of the duration field. */
101 unsigned short duration_width;
102 /** size of the num played field. */
103 unsigned short num_played_width;
104 /** size of the amp field. */
105 unsigned short amp_width;
108 /** Data passed from the ls command handler to its callback function. */
110 /** The given command line flags. */
112 /** The sorting method given at the command line. */
113 enum ls_sorting_method sorting;
114 /** The given listing mode (short, long, verbose, mbox). */
115 enum ls_listing_mode mode;
116 /** The arguments passed to the ls command. */
118 /** Number of non-option arguments. */
120 /** Used for long listing mode to align the output fields. */
121 struct ls_widths widths;
122 /** Size of the \a data array. */
124 /** Number of used entries in the data array. */
125 uint32_t num_matching_paths;
126 /** Array of matching entries. */
127 struct ls_data *data;
128 /** Used to sort the array. */
129 struct ls_data **data_ptr;
133 * Describes the layout of the mmapped-afs info struct.
135 * \sa struct afs_info.
138 /** Where .last_played is stored. */
139 AFSI_LAST_PLAYED_OFFSET = 0,
140 /** Storage position of the attributes bitmap. */
141 AFSI_ATTRIBUTES_OFFSET = 8,
142 /** Storage position of the .num_played field. */
143 AFSI_NUM_PLAYED_OFFSET = 16,
144 /** Storage position of the .image_id field. */
145 AFSI_IMAGE_ID_OFFSET = 20,
146 /** Storage position of the .lyrics_id field. */
147 AFSI_LYRICS_ID_OFFSET = 24,
148 /** Storage position of the .audio_format_id field. */
149 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
150 /** Storage position of the amplification field. */
151 AFSI_AMP_OFFSET = 29,
152 /** 2 bytes reserved space for future usage. */
153 AFSI_AUDIO_FORMAT_UNUSED_OFFSET = 30,
154 /** On-disk storage space needed. */
159 * Convert a struct afs_info to an osl object.
161 * \param afsi Pointer to the audio file info to be converted.
162 * \param obj Result pointer.
166 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
168 char *buf = obj->data;
170 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
171 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
172 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
173 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
174 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
175 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
176 afsi->audio_format_id);
177 write_u8(buf + AFSI_AMP_OFFSET, afsi->amp);
178 memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 2);
182 * Get the audio file selector info struct stored in an osl object.
184 * \param afsi Points to the audio_file info structure to be filled in.
185 * \param obj The osl object holding the data.
187 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
191 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
193 char *buf = obj->data;
194 if (obj->size < AFSI_SIZE)
196 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
197 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
198 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
199 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
200 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
201 afsi->audio_format_id = read_u8(buf +
202 AFSI_AUDIO_FORMAT_ID_OFFSET);
203 afsi->amp = read_u8(buf + AFSI_AMP_OFFSET);
207 /** The columns of the audio file table. */
208 enum audio_file_table_columns {
209 /** The hash on the content of the audio file. */
211 /** The full path in the filesystem. */
213 /** The audio file selector info. */
215 /** The audio format handler info. */
217 /** The chunk table info and the chunk table of the audio file. */
219 /** The number of columns of this table. */
223 static struct osl_column_description aft_cols[] = {
225 .storage_type = OSL_MAPPED_STORAGE,
226 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
228 .compare_function = osl_hash_compare,
229 .data_size = HASH_SIZE
232 .storage_type = OSL_MAPPED_STORAGE,
233 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
235 .compare_function = string_compare,
238 .storage_type = OSL_MAPPED_STORAGE,
239 .storage_flags = OSL_FIXED_SIZE,
241 .data_size = AFSI_SIZE
244 .storage_type = OSL_MAPPED_STORAGE,
248 .storage_type = OSL_DISK_STORAGE,
253 static struct osl_table_description audio_file_table_desc = {
254 .name = "audio_files",
255 .num_columns = NUM_AFT_COLUMNS,
256 .flags = OSL_LARGE_TABLE,
257 .column_descriptions = aft_cols
260 /* We don't want * dot or dot-dot anywhere. */
261 static int verify_dotfile(const char *rest)
264 * The first character was '.', but that has already been discarded, we
268 case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
270 case '.': /* path start with /foo/.. */
271 if (rest[1] == '\0' || rest[1] == '/')
272 return -1; /* /foo/.. or /foo/../bar are not ok */
273 /* /foo/..bar is ok */
279 * We fundamentally don't like some paths: We don't want double slashes or
280 * slashes at the end that can make pathnames ambiguous.
282 static int verify_path(const char *orig_path, char **resolved_path)
288 if (*orig_path != '/') /* we only accept absolute paths */
290 len = strlen(orig_path);
291 *resolved_path = para_strdup(orig_path);
292 path = *resolved_path;
293 while (len > 1 && path[--len] == '/')
294 path[len] = '\0'; /* remove slash at the end */
300 case '/': /* double slash */
303 if (verify_dotfile(path) < 0)
313 free(*resolved_path);
317 /** The on-disk layout of a afhi struct. */
319 /** Where the number of seconds is stored. */
320 AFHI_SECONDS_TOTAL_OFFSET = 0,
321 /** Position of the bitrate. */
322 AFHI_BITRATE_OFFSET = 4,
323 /** Position of the frequency. */
324 AFHI_FREQUENCY_OFFSET = 8,
325 /** Location of the audio file header. */
326 AFHI_HEADER_OFFSET_OFFSET = 12,
327 /* Length of the audio file header. Zero means: No header. */
328 AFHI_HEADER_LEN_OFFSET = 16,
329 /** The total number of chunks (4 bytes). */
330 CHUNKS_TOTAL_OFFSET = 20,
331 /** The length of the audio file header (4 bytes). */
332 HEADER_LEN_OFFSET = 24,
333 /** The start of the audio file header (4 bytes). */
334 HEADER_OFFSET_OFFSET = 28,
335 /** The seconds part of the chunk time (4 bytes). */
336 CHUNK_TV_TV_SEC_OFFSET = 32,
337 /** The microseconds part of the chunk time (4 bytes). */
338 CHUNK_TV_TV_USEC_OFFSET = 36,
339 /** Number of channels is stored here. (1 byte) */
340 AFHI_CHANNELS_OFFSET = 40,
341 /** EOF timeout in ms. (2 byte) */
342 AFHI_EOF_OFFSET = 41,
343 /** The tag info position. */
344 AFHI_INFO_STRING_OFFSET = 43,
345 /** Minimal on-disk size of a valid afhi struct. */
349 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
353 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
356 static void save_afhi(struct afh_info *afhi, char *buf)
360 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET, afhi->seconds_total);
361 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
362 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
363 write_u32(buf + AFHI_HEADER_OFFSET_OFFSET, afhi->header_offset);
364 write_u32(buf + AFHI_HEADER_LEN_OFFSET, afhi->header_len);
365 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
366 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
367 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
368 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
369 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
370 write_u32(buf + CHUNK_TV_TV_USEC_OFFSET, afhi->chunk_tv.tv_usec);
371 write_u16(buf + AFHI_EOF_OFFSET, tv2ms(&afhi->eof_tv));
372 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
375 static void load_afhi(const char *buf, struct afh_info *afhi)
377 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
378 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
379 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
380 afhi->header_offset = read_u32(buf + AFHI_HEADER_OFFSET_OFFSET);
381 afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_OFFSET);
382 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
383 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
384 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
385 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
386 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
387 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC_OFFSET);
388 ms2tv(read_u16(buf + AFHI_EOF_OFFSET), &afhi->eof_tv);
389 afhi->info_string = para_strdup(buf + AFHI_INFO_STRING_OFFSET);
392 static unsigned sizeof_chunk_table(struct afh_info *afhi)
396 return 4 * (afhi->chunks_total + 1);
399 static void save_chunk_table(struct afh_info *afhi, char *buf)
403 for (i = 0; i <= afhi->chunks_total; i++)
404 write_u32(buf + 4 * i, afhi->chunk_table[i]);
407 static void load_chunk_table(struct afh_info *afhi, char *buf)
411 afhi->chunk_table = para_malloc(sizeof_chunk_table(afhi));
412 for (i = 0; i <= afhi->chunks_total; i++)
413 afhi->chunk_table[i] = read_u32(buf + 4 * i);
417 * Get the row of the audio file table corresponding to the given path.
419 * \param path The full path of the audio file.
420 * \param row Result pointer.
422 * \return The return value of the underlying call to osl_get_row().
424 int aft_get_row_of_path(const char *path, struct osl_row **row)
426 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
428 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
432 * Get the row of the audio file table corresponding to the given hash value.
434 * \param hash The hash value of the desired audio file.
435 * \param row resul pointer.
437 * \return The return value of the underlying call to osl_get_row().
439 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
441 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
442 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
446 * Get the osl object holding the audio file selector info of a row.
448 * \param row Pointer to a row in the audio file table.
449 * \param obj Result pointer.
451 * \return The return value of the underlying call to osl_get_object().
453 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
455 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
459 * Get the osl object holding the audio file selector info, given a path.
462 * \param path The full path of the audio file.
463 * \param obj Result pointer.
465 * \return Positive on success, negative on errors.
467 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
470 int ret = aft_get_row_of_path(path, &row);
473 return get_afsi_object_of_row(row, obj);
477 * Get the audio file selector info, given a row of the audio file table.
479 * \param row Pointer to a row in the audio file table.
480 * \param afsi Result pointer.
482 * \return Positive on success, negative on errors.
484 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
486 struct osl_object obj;
487 int ret = get_afsi_object_of_row(row, &obj);
490 return load_afsi(afsi, &obj);
494 * Get the audio file selector info, given the path of an audio table.
496 * \param path The full path of the audio file.
497 * \param afsi Result pointer.
499 * \return Positive on success, negative on errors.
501 int get_afsi_of_path(const char *path, struct afs_info *afsi)
503 struct osl_object obj;
504 int ret = get_afsi_object_of_path(path, &obj);
507 return load_afsi(afsi, &obj);
511 * Get the path of an audio file, given a row of the audio file table.
513 * \param row Pointer to a row in the audio file table.
514 * \param path Result pointer.
516 * The result is a pointer to mmapped data. The caller must not attempt
521 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
523 struct osl_object path_obj;
524 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
528 *path = path_obj.data;
533 * Get the object containing the hash value of an audio file, given a row.
535 * \param row Pointer to a row of the audio file table.
536 * \param obj Result pointer.
538 * \return The return value of the underlying call to osl_get_object().
540 * \sa get_hash_of_row().
542 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
544 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
548 * Get the hash value of an audio file, given a row of the audio file table.
550 * \param row Pointer to a row of the audio file table.
551 * \param hash Result pointer.
553 * \a hash points to mapped data and must not be freed by the caller.
555 * \return The return value of the underlying call to
556 * get_hash_object_of_aft_row().
558 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
560 struct osl_object obj;
561 int ret = get_hash_object_of_aft_row(row, &obj);
570 * Get the audio format handler info, given a row of the audio file table.
572 * \param row Pointer to a row of the audio file table.
573 * \param afhi Result pointer.
575 * \return The return value of the underlying call to osl_get_object().
577 * \sa get_chunk_table_of_row().
579 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
581 struct osl_object obj;
582 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
586 load_afhi(obj.data, afhi);
590 /* returns shmid on success */
591 static int save_afd(struct audio_file_data *afd)
593 size_t size = sizeof(*afd) + sizeof_chunk_table(&afd->afhi);
594 int shmid, ret = shm_new(size);
601 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
604 *(struct audio_file_data *)shm_afd = *afd;
607 save_chunk_table(&afd->afhi, buf);
615 int load_afd(int shmid, struct audio_file_data *afd)
621 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
624 *afd = *(struct audio_file_data *)shm_afd;
627 load_chunk_table(&afd->afhi, buf);
632 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
633 time_t current_time, enum ls_listing_mode lm)
637 if (!localtime_r((time_t *)seconds, &t))
639 if (lm == LS_MODE_MBOX) {
640 if (!strftime(buf, size, "%c", &t))
644 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
645 if (!strftime(buf, size, "%b %e %k:%M", &t))
649 if (!strftime(buf, size, "%b %e %Y", &t))
654 /** Compute the number of (decimal) digits of a number. */
655 #define GET_NUM_DIGITS(x, num) { \
656 typeof((x)) _tmp = PARA_ABS(x); \
659 while ((_tmp) > 9) { \
665 static short unsigned get_duration_width(int seconds)
667 short unsigned width;
668 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
670 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
671 return 4 + (mins > 9);
672 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
673 GET_NUM_DIGITS(hours, &width);
677 static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
679 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
680 short unsigned max_width;
682 if (!hours) { /* m:ss or mm:ss */
683 max_width = opts->mode == LS_MODE_LONG?
684 opts->widths.duration_width : 4;
685 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
686 } else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
687 max_width = opts->mode == LS_MODE_LONG?
688 opts->widths.duration_width : 7;
689 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
694 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
696 char *att_text, *att_lines;
698 get_attribute_text(&afsi->attributes, " ", &att_text);
700 return para_strdup(att_bitmap);
701 att_lines = make_message("%s: %s\n%s: %s",
702 status_item_list[SI_ATTRIBUTES_BITMAP], att_bitmap,
703 status_item_list[SI_ATTRIBUTES_TXT], att_text);
708 static char *make_lyrics_lines(struct afs_info *afsi)
712 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
713 return make_message("%s: %u\n%s: %s\n",
714 status_item_list[SI_LYRICS_ID], afsi->lyrics_id,
715 status_item_list[SI_LYRICS_NAME], lyrics_name?
716 lyrics_name : "(none)");
719 static char *make_image_lines(struct afs_info *afsi)
722 img_get_name_by_id(afsi->image_id, &image_name);
723 return make_message("%s: %u\n%s: %s\n",
724 status_item_list[SI_IMAGE_ID], afsi->image_id,
725 status_item_list[SI_IMAGE_NAME], image_name?
726 image_name : "(none)");
729 static char *make_filename_lines(const char *path, unsigned flags)
732 const char *basename;
734 if (!(flags & LS_FLAG_FULL_PATH))
735 return make_message("%s: %s\n",
736 status_item_list[SI_BASENAME], path);
737 basename = para_basename(path),
738 dirname = para_dirname(path);
739 ret = make_message("%s: %s\n%s: %s\n%s: %s\n",
740 status_item_list[SI_PATH], path,
741 status_item_list[SI_DIRECTORY], dirname? dirname : "?",
742 status_item_list[SI_BASENAME], basename? basename : "?");
747 static int print_chunk_table(struct ls_data *d, struct para_buffer *b)
749 struct osl_object chunk_table_obj;
750 struct osl_row *aft_row;
754 ret = aft_get_row_of_hash(d->hash, &aft_row);
757 ret = osl_open_disk_object(audio_file_table, aft_row,
758 AFTCOL_CHUNKS, &chunk_table_obj);
761 ret = para_printf(b, "%s\n"
762 "chunk_time: %lu:%lu\nchunk_offsets: ",
764 (long unsigned) d->afhi.chunk_tv.tv_sec,
765 (long unsigned) d->afhi.chunk_tv.tv_usec
769 buf = chunk_table_obj.data;
770 for (i = 0; i <= d->afhi.chunks_total; i++) {
771 ret = para_printf(b, "%u ", (unsigned) read_u32(buf + 4 * i));
775 ret = para_printf(b, "\n");
777 osl_close_disk_object(&chunk_table_obj);
781 static int print_list_item(struct ls_data *d, struct ls_options *opts,
782 struct para_buffer *b, time_t current_time)
786 char last_played_time[30];
787 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
788 char score_buf[30] = "";
789 struct afs_info *afsi = &d->afsi;
790 struct afh_info *afhi = &d->afhi;
791 struct ls_widths *w = &opts->widths;
792 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
793 char asc_hash[2 * HASH_SIZE + 1];
794 char *att_lines, *lyrics_lines, *image_lines, *filename_lines;
796 if (opts->mode == LS_MODE_SHORT) {
797 ret = para_printf(b, "%s\n", d->path);
800 if (opts->mode == LS_MODE_CHUNKS) {
801 ret = print_chunk_table(d, b);
804 get_attribute_bitmap(&afsi->attributes, att_buf);
805 if (opts->flags & LS_FLAG_UNIXDATE)
806 sprintf(last_played_time, "%llu",
807 (long long unsigned)afsi->last_played);
809 ret = get_local_time(&afsi->last_played, last_played_time,
810 sizeof(last_played_time), current_time, opts->mode);
814 get_duration_buf(afhi->seconds_total, duration_buf, opts);
816 if (opts->mode == LS_MODE_LONG)
817 sprintf(score_buf, "%*li ", w->score_width, d->score);
819 sprintf(score_buf, "%li ", d->score);
822 if (opts->mode == LS_MODE_LONG) {
825 "%s " /* attributes */
827 "%*d " /* image_id */
828 "%*d " /* lyrics_id */
830 "%s " /* audio format */
831 "%*d " /* frequency */
834 "%*d " /* num_played */
835 "%s " /* last_played */
839 w->amp_width, afsi->amp,
840 w->image_id_width, afsi->image_id,
841 w->lyrics_id_width, afsi->lyrics_id,
842 w->bitrate_width, afhi->bitrate,
843 audio_format_name(afsi->audio_format_id),
844 w->frequency_width, afhi->frequency,
847 w->num_played_width, afsi->num_played,
853 hash_to_asc(d->hash, asc_hash);
854 att_lines = make_attribute_lines(att_buf, afsi);
855 lyrics_lines = make_lyrics_lines(afsi);
856 image_lines = make_image_lines(afsi);
857 filename_lines = make_filename_lines(d->path, opts->flags);
858 if (opts->mode == LS_MODE_MBOX) {
859 const char *bn = para_basename(d->path);
861 "From foo@localhost %s\n"
862 "Received: from\nTo: bar\nFrom: a\n"
870 "%s" /* filename stuff */
871 "%s%s%s%s" /* score */
872 "%s\n" /* attributes */
873 "%s: %s\n" /* hash */
874 "%s" /* image id, image name */
876 "%s: %dkbit/s\n" /* bitrate */
877 "%s: %s\n" /* format */
878 "%s: %dHz\n" /* frequency */
879 "%s: %d\n" /* channels */
880 "%s: %s\n" /* duration */
881 "%s: %lu\n" /* seconds total */
882 "%s: %s\n" /* last played time */
883 "%s: %d\n" /* num_played */
884 "%s: %u\n" /* ampplification */
886 "%s: %lu\n" /* chunk time */
887 "%s: %lu\n", /* num chunks */
889 have_score? status_item_list[SI_SCORE] : "",
890 have_score? ": " : "",
892 have_score? "\n" : "",
894 status_item_list[SI_HASH], asc_hash,
897 status_item_list[SI_BITRATE], afhi->bitrate,
898 status_item_list[SI_FORMAT], audio_format_name(afsi->audio_format_id),
899 status_item_list[SI_FREQUENCY], afhi->frequency,
900 status_item_list[SI_CHANNELS], afhi->channels,
901 status_item_list[SI_DURATION], duration_buf,
902 status_item_list[SI_SECONDS_TOTAL], afhi->seconds_total,
903 status_item_list[SI_LAST_PLAYED], last_played_time,
904 status_item_list[SI_NUM_PLAYED], afsi->num_played,
905 status_item_list[SI_AMPLIFICATION], afsi->amp,
907 status_item_list[SI_CHUNK_TIME], tv2ms(&afhi->chunk_tv),
908 status_item_list[SI_NUM_CHUNKS], afhi->chunks_total
912 if (opts->mode == LS_MODE_MBOX) {
913 struct osl_object lyrics_def;
914 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
915 if (lyrics_def.data) {
916 ret = para_printf(b, "Lyrics:\n~~~~~~~\n%s",
917 (char *)lyrics_def.data);
918 osl_close_disk_object(&lyrics_def);
924 free(filename_lines);
926 free(afhi->info_string);
931 * Write a list of audio-file related status items with empty values.
933 * \param buf Result pointer.
935 * This is used by vss when currently no audio file is open.
937 void make_empty_status_items(char *buf)
941 "%s: \n" /* dirname */
942 "%s: \n" /* basename */
944 "%s: \n" /* attributes bitmap */
945 "%s: \n" /* attributes txt */
947 "%s: \n" /* image id */
948 "%s: \n" /* image name */
949 "%s: \n" /* lyrics id */
950 "%s: \n" /* lyrics name */
951 "%s: \n" /* bitrate */
952 "%s: \n" /* format */
953 "%s: \n" /* frequency */
954 "%s: \n" /* channels */
955 "%s: \n" /* duration */
956 "%s: \n" /* seconds total */
957 "%s: \n" /* num played */
958 "%s: \n" /* last played */
959 "%s: \n" /* audio file info */
960 "%s: \n" /* taginfo1 */
961 "%s: \n" /* taginfo2 */
962 "%s: \n" /* amplification */
964 status_item_list[SI_PATH],
965 status_item_list[SI_DIRECTORY],
966 status_item_list[SI_BASENAME],
967 status_item_list[SI_SCORE],
968 status_item_list[SI_ATTRIBUTES_BITMAP],
969 status_item_list[SI_ATTRIBUTES_TXT],
970 status_item_list[SI_HASH],
971 status_item_list[SI_IMAGE_ID],
972 status_item_list[SI_IMAGE_NAME],
973 status_item_list[SI_LYRICS_ID],
974 status_item_list[SI_LYRICS_NAME],
975 status_item_list[SI_BITRATE],
976 status_item_list[SI_FORMAT],
977 status_item_list[SI_FREQUENCY],
978 status_item_list[SI_CHANNELS],
979 status_item_list[SI_DURATION],
980 status_item_list[SI_SECONDS_TOTAL],
981 status_item_list[SI_NUM_PLAYED],
982 status_item_list[SI_LAST_PLAYED],
983 status_item_list[SI_AUDIO_FILE_INFO],
984 status_item_list[SI_TAGINFO1],
985 status_item_list[SI_TAGINFO2],
986 status_item_list[SI_AMPLIFICATION]
990 static void fixup_taginfo(char *begin, char *end)
1005 /* crap, remove this ASAP. */
1006 static int fixup_info_string(char *info_string)
1008 char *t1, *t2, *end;
1010 if (strncmp(info_string, "audio_file_info:", 16))
1011 return -ERRNO_TO_PARA_ERROR(EINVAL);
1012 t1 = strstr(info_string, "\ntaginfo1:");
1014 return -ERRNO_TO_PARA_ERROR(EINVAL);
1015 t2 = strstr(info_string, "\ntaginfo2: ");
1017 return -ERRNO_TO_PARA_ERROR(EINVAL);
1019 end = t2 + strlen(t2) + 1;
1020 fixup_taginfo(info_string + 16, t1);
1021 fixup_taginfo(t1 + 10, t2);
1022 fixup_taginfo(t2 + 10, end);
1024 if (t1 - info_string < 80 && t2 - t1 < 80 && end - t2 < 80)
1026 if (t1 - info_string >= 80) {
1027 memmove(info_string + 80, t1, end - t1);
1028 t1 = info_string + 80;
1029 t2 -= t1 - info_string - 80;
1030 end -= t1 - info_string - 80;
1032 if (t2 - t1 >= 80) {
1033 memmove(t1 + 80, t2, end - t2);
1034 end -= t2 - t1 - 80;
1037 if (end - t2 >= 80) {
1044 static int make_status_items(struct audio_file_data *afd,
1045 struct afs_info *afsi, char *path, long score,
1048 struct ls_data d = {
1055 struct ls_options opts = {
1056 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
1057 .mode = LS_MODE_VERBOSE,
1059 struct para_buffer pb = {.max_size = VERBOSE_LS_OUTPUT_SIZE - 1};
1060 time_t current_time;
1063 ret = fixup_info_string(afd->afhi.info_string);
1065 PARA_WARNING_LOG("ignoring invalid tag info\n");
1066 afd->afhi.info_string[0] = '\0';
1068 PARA_NOTICE_LOG("truncated overlong tag info\n");
1069 time(¤t_time);
1070 ret = print_list_item(&d, &opts, &pb, current_time); /* frees info string */
1071 afd->afhi.info_string = NULL;
1074 strncpy(afd->verbose_ls_output, pb.buf, VERBOSE_LS_OUTPUT_SIZE);
1075 afd->verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE - 1] = '\0';
1082 * Mmap the given audio file and update statistics.
1084 * \param aft_row Determines the audio file to be opened and updated.
1085 * \param score The score of the audio file.
1086 * \param afd Result pointer.
1088 * On success, the numplayed field of the audio file selector info is increased
1089 * and the lastplayed time is set to the current time. Finally, the score of
1090 * the audio file is updated.
1092 * \return Positive shmid on success, negative on errors.
1094 int open_and_update_audio_file(struct osl_row *aft_row, long score,
1095 struct audio_file_data *afd)
1097 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
1098 struct osl_object afsi_obj;
1099 struct afs_info old_afsi, new_afsi;
1100 int ret = get_hash_of_row(aft_row, &aft_hash);
1101 struct afsi_change_event_data aced;
1102 struct osl_object map, chunk_table_obj;
1107 ret = get_audio_file_path_of_row(aft_row, &path);
1110 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
1113 ret = load_afsi(&old_afsi, &afsi_obj);
1116 ret = get_afhi_of_row(aft_row, &afd->afhi);
1119 afd->afhi.chunk_table = NULL;
1120 ret = osl_open_disk_object(audio_file_table, aft_row,
1121 AFTCOL_CHUNKS, &chunk_table_obj);
1124 ret = mmap_full_file(path, O_RDONLY, &map.data,
1125 &map.size, &afd->fd);
1128 hash_function(map.data, map.size, file_hash);
1129 ret = hash_compare(file_hash, aft_hash);
1130 para_munmap(map.data, map.size);
1132 ret = -E_HASH_MISMATCH;
1135 new_afsi = old_afsi;
1136 new_afsi.num_played++;
1137 new_afsi.last_played = time(NULL);
1138 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
1140 load_chunk_table(&afd->afhi, chunk_table_obj.data);
1141 ret = make_status_items(afd, &old_afsi, path, score, file_hash);
1144 aced.aft_row = aft_row;
1145 aced.old_afsi = &old_afsi;
1146 afs_event(AFSI_CHANGE, NULL, &aced);
1147 ret = save_afd(afd);
1149 free(afd->afhi.chunk_table);
1150 free(afd->afhi.info_string);
1151 osl_close_disk_object(&chunk_table_obj);
1155 static int ls_audio_format_compare(const void *a, const void *b)
1157 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1158 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1161 static int ls_duration_compare(const void *a, const void *b)
1163 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1164 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1167 static int ls_bitrate_compare(const void *a, const void *b)
1169 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1170 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1173 static int ls_lyrics_id_compare(const void *a, const void *b)
1175 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1176 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1179 static int ls_image_id_compare(const void *a, const void *b)
1181 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1182 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1185 static int ls_channels_compare(const void *a, const void *b)
1187 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1188 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1191 static int ls_frequency_compare(const void *a, const void *b)
1193 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1194 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1197 static int ls_num_played_compare(const void *a, const void *b)
1199 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1200 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1203 static int ls_last_played_compare(const void *a, const void *b)
1205 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1206 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1209 static int ls_score_compare(const void *a, const void *b)
1211 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1212 return NUM_COMPARE(d1->score, d2->score);
1215 static int ls_path_compare(const void *a, const void *b)
1217 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1218 return strcmp(d1->path, d2->path);
1221 static int sort_matching_paths(struct ls_options *options)
1223 size_t nmemb = options->num_matching_paths;
1224 size_t size = sizeof(*options->data_ptr);
1225 int (*compar)(const void *, const void *);
1228 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1229 for (i = 0; i < nmemb; i++)
1230 options->data_ptr[i] = options->data + i;
1232 /* In these cases the array is already sorted */
1233 if (options->sorting == LS_SORT_BY_PATH
1234 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1235 && (options->flags & LS_FLAG_FULL_PATH))
1237 if (options->sorting == LS_SORT_BY_SCORE &&
1238 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1241 switch (options->sorting) {
1242 case LS_SORT_BY_PATH:
1243 compar = ls_path_compare; break;
1244 case LS_SORT_BY_SCORE:
1245 compar = ls_score_compare; break;
1246 case LS_SORT_BY_LAST_PLAYED:
1247 compar = ls_last_played_compare; break;
1248 case LS_SORT_BY_NUM_PLAYED:
1249 compar = ls_num_played_compare; break;
1250 case LS_SORT_BY_FREQUENCY:
1251 compar = ls_frequency_compare; break;
1252 case LS_SORT_BY_CHANNELS:
1253 compar = ls_channels_compare; break;
1254 case LS_SORT_BY_IMAGE_ID:
1255 compar = ls_image_id_compare; break;
1256 case LS_SORT_BY_LYRICS_ID:
1257 compar = ls_lyrics_id_compare; break;
1258 case LS_SORT_BY_BITRATE:
1259 compar = ls_bitrate_compare; break;
1260 case LS_SORT_BY_DURATION:
1261 compar = ls_duration_compare; break;
1262 case LS_SORT_BY_AUDIO_FORMAT:
1263 compar = ls_audio_format_compare; break;
1267 qsort(options->data_ptr, nmemb, size, compar);
1271 /* row is either an aft_row or a row of the score table */
1272 /* TODO: Only compute widths if we need them */
1273 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1276 struct ls_options *options = ls_opts;
1278 struct ls_widths *w;
1279 unsigned short num_digits;
1281 struct osl_row *aft_row;
1285 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1286 ret = get_score_and_aft_row(row, &score, &aft_row);
1291 ret = get_audio_file_path_of_row(aft_row, &path);
1294 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1295 char *p = strrchr(path, '/');
1299 if (options->num_patterns) {
1300 for (i = 0; i < options->num_patterns; i++) {
1301 ret = fnmatch(options->patterns[i], path, 0);
1304 if (ret == FNM_NOMATCH)
1308 if (i >= options->num_patterns) /* no match */
1311 tmp = options->num_matching_paths++;
1312 if (options->num_matching_paths > options->array_size) {
1313 options->array_size++;
1314 options->array_size *= 2;
1315 options->data = para_realloc(options->data, options->array_size
1316 * sizeof(*options->data));
1318 d = options->data + tmp;
1319 ret = get_afsi_of_row(aft_row, &d->afsi);
1322 ret = get_afhi_of_row(aft_row, &d->afhi);
1326 ret = get_hash_of_row(aft_row, &d->hash);
1329 w = &options->widths;
1330 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1331 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1332 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1333 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1334 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1335 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1336 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1337 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1338 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1339 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1340 /* get the number of chars to print this amount of time */
1341 num_digits = get_duration_width(d->afhi.seconds_total);
1342 w->duration_width = PARA_MAX(w->duration_width, num_digits);
1343 GET_NUM_DIGITS(d->afsi.amp, &num_digits);
1344 w->amp_width = PARA_MAX(w->amp_width, num_digits);
1345 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1346 GET_NUM_DIGITS(score, &num_digits);
1347 num_digits++; /* add one for the sign (space or "-") */
1348 w->score_width = PARA_MAX(w->score_width, num_digits);
1353 free(d->afhi.info_string);
1357 static void com_ls_callback(int fd, const struct osl_object *query)
1359 struct ls_options *opts = query->data;
1360 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1361 struct para_buffer b = {.max_size = SHMMAX,
1362 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1364 time_t current_time;
1367 if (opts->num_patterns) {
1368 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1369 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1370 opts->patterns[i] = p;
1374 opts->patterns = NULL;
1375 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1376 ret = admissible_file_loop(opts, prepare_ls_row);
1378 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1382 if (!opts->num_matching_paths)
1384 ret = sort_matching_paths(opts);
1387 time(¤t_time);
1388 if (opts->flags & LS_FLAG_REVERSE)
1389 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1390 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1395 for (i = 0; i < opts->num_matching_paths; i++) {
1396 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1402 pass_buffer_as_shm(b.buf, b.offset, &fd);
1405 free(opts->data_ptr);
1406 free(opts->patterns);
1410 * TODO: flags -h (sort by hash)
1412 int com_ls(int fd, int argc, char * const * const argv)
1416 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1417 enum ls_listing_mode mode = LS_MODE_SHORT;
1418 struct ls_options opts = {.patterns = NULL};
1419 struct osl_object query = {.data = &opts, .size = sizeof(opts)};
1421 for (i = 1; i < argc; i++) {
1422 const char *arg = argv[i];
1425 if (!strcmp(arg, "--")) {
1429 if (!strncmp(arg, "-l", 2)) {
1431 mode = LS_MODE_LONG;
1435 return -E_AFT_SYNTAX;
1436 switch(*(arg + 2)) {
1438 mode = LS_MODE_SHORT;
1441 mode = LS_MODE_LONG;
1444 mode = LS_MODE_VERBOSE;
1447 mode = LS_MODE_MBOX;
1450 mode = LS_MODE_CHUNKS;
1453 return -E_AFT_SYNTAX;
1456 if (!strcmp(arg, "-p")) {
1457 flags |= LS_FLAG_FULL_PATH;
1460 if (!strcmp(arg, "-a")) {
1461 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1464 if (!strcmp(arg, "-r")) {
1465 flags |= LS_FLAG_REVERSE;
1468 if (!strcmp(arg, "-d")) {
1469 flags |= LS_FLAG_UNIXDATE;
1472 if (!strncmp(arg, "-s", 2)) {
1473 if (!*(arg + 2) || *(arg + 3))
1474 return -E_AFT_SYNTAX;
1475 switch(*(arg + 2)) {
1477 sort = LS_SORT_BY_PATH;
1479 case 's': /* -ss implies -a */
1480 sort = LS_SORT_BY_SCORE;
1481 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1484 sort = LS_SORT_BY_LAST_PLAYED;
1487 sort = LS_SORT_BY_NUM_PLAYED;
1490 sort = LS_SORT_BY_FREQUENCY;
1493 sort = LS_SORT_BY_CHANNELS;
1496 sort = LS_SORT_BY_IMAGE_ID;
1499 sort = LS_SORT_BY_LYRICS_ID;
1502 sort = LS_SORT_BY_BITRATE;
1505 sort = LS_SORT_BY_DURATION;
1508 sort = LS_SORT_BY_AUDIO_FORMAT;
1511 return -E_AFT_SYNTAX;
1514 return -E_AFT_SYNTAX;
1517 opts.sorting = sort;
1519 opts.num_patterns = argc - i;
1520 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1521 argv + i, com_ls_callback, send_result, &fd);
1526 * Call the given function for each file in the audio file table.
1528 * \param private_data An arbitrary data pointer, passed to \a func.
1529 * \param func The custom function to be called.
1531 * \return The return value of the underlying call to osl_rbtree_loop().
1533 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1535 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1539 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1541 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1542 struct osl_row *row;
1544 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1548 /** The format of the data stored by save_audio_file_data(). */
1549 enum com_add_buffer_offsets {
1550 /** afhi (if present) starts here. */
1551 CAB_AFHI_OFFSET_POS = 0,
1552 /** Start of the chunk table (if present). */
1553 CAB_CHUNKS_OFFSET_POS = 2,
1554 /** Audio format id. */
1555 CAB_AUDIO_FORMAT_OFFSET = 4,
1556 /** Flags given to the add command. */
1557 CAB_FLAGS_OFFSET = 5,
1558 /** The hash of the audio file being added. */
1559 CAB_HASH_OFFSET = 9,
1560 /** Start of the path of the audio file. */
1561 CAB_PATH_OFFSET = (CAB_HASH_OFFSET + HASH_SIZE),
1565 * Store the given data to a single buffer. Doesn't need the audio file selector
1566 * info struct as the server knows it as well.
1568 * It's OK to call this with afhi == NULL. In this case, the audio format
1569 * handler info won't be stored in the buffer.
1571 static void save_add_callback_buffer(HASH_TYPE *hash, const char *path,
1572 struct afh_info *afhi, uint32_t flags,
1573 uint8_t audio_format_num, struct osl_object *obj)
1575 size_t path_len = strlen(path) + 1;
1576 size_t afhi_size = sizeof_afhi_buf(afhi);
1577 size_t size = CAB_PATH_OFFSET + path_len + afhi_size
1578 + sizeof_chunk_table(afhi);
1579 char *buf = para_malloc(size);
1582 write_u8(buf + CAB_AUDIO_FORMAT_OFFSET, audio_format_num);
1583 write_u32(buf + CAB_FLAGS_OFFSET, flags);
1585 memcpy(buf + CAB_HASH_OFFSET, hash, HASH_SIZE);
1586 strcpy(buf + CAB_PATH_OFFSET, path);
1588 pos = CAB_PATH_OFFSET + path_len;
1589 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1590 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1591 pos + afhi_size - 1);
1592 write_u16(buf + CAB_AFHI_OFFSET_POS, pos);
1593 save_afhi(afhi, buf + pos);
1596 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1597 write_u16(buf + CAB_CHUNKS_OFFSET_POS, pos);
1599 save_chunk_table(afhi, buf + pos);
1600 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1607 Overview of the add command.
1609 Input: What was passed to the callback by the command handler.
1611 HS: Hash sister. Whether an audio file with identical hash
1612 already exists in the osl database.
1614 PB: Path brother. Whether a file with the given path exists
1617 F: Force flag given. Whether add was called with -f.
1619 output: Action performed by the callback.
1621 AFHI: Whether afhi and chunk table are computed and sent.
1622 ACTION: Table modifications to be done by the callback.
1624 +----+----+---+------+---------------------------------------------------+
1625 | HS | PB | F | AFHI | ACTION
1626 +----+----+---+------+---------------------------------------------------+
1627 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1628 | | update path, keep afsi
1629 +----+----+---+------+---------------------------------------------------+
1630 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1631 | | otherwise: remove PB, HS: update path, keep afhi,
1633 +----+----+---+------+---------------------------------------------------+
1634 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1636 +----+----+---+------+---------------------------------------------------+
1637 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1638 +----+----+---+------+---------------------------------------------------+
1639 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1640 | | (force has no effect)
1641 +----+----+---+------+---------------------------------------------------+
1642 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1643 +----+----+---+------+---------------------------------------------------+
1644 | N | N | Y | Y | (new file) create new entry (force has no effect)
1645 +----+----+---+------+---------------------------------------------------+
1646 | N | N | N | Y | (new file) create new entry
1647 +----+----+---+------+---------------------------------------------------+
1651 afhi <=> force or no HS
1656 /** Flags passed to the add command. */
1657 enum com_add_flags {
1658 /** Skip paths that exist already. */
1660 /** Force adding. */
1662 /** Print what is being done. */
1663 ADD_FLAG_VERBOSE = 4,
1664 /** Try to add files with unknown suffixes. */
1668 static void com_add_callback(int fd, const struct osl_object *query)
1670 char *buf = query->data, *path;
1671 struct osl_row *pb, *aft_row;
1673 struct osl_object objs[NUM_AFT_COLUMNS];
1675 char asc[2 * HASH_SIZE + 1];
1677 char afsi_buf[AFSI_SIZE];
1678 uint32_t flags = read_u32(buf + CAB_FLAGS_OFFSET);
1679 struct afs_info default_afsi = {.last_played = 0};
1680 struct para_buffer msg = {.max_size = SHMMAX,
1681 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1682 uint16_t afhi_offset, chunks_offset;
1684 hash = (HASH_TYPE *)buf + CAB_HASH_OFFSET;
1685 hash_to_asc(hash, asc);;
1686 objs[AFTCOL_HASH].data = buf + CAB_HASH_OFFSET;
1687 objs[AFTCOL_HASH].size = HASH_SIZE;
1689 path = buf + CAB_PATH_OFFSET;
1690 objs[AFTCOL_PATH].data = path;
1691 objs[AFTCOL_PATH].size = strlen(path) + 1;
1693 PARA_INFO_LOG("request to add %s\n", path);
1694 hs = find_hash_sister(hash);
1695 ret = aft_get_row_of_path(path, &pb);
1696 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1698 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1699 if (flags & ADD_FLAG_VERBOSE)
1700 ret = para_printf(&msg, "ignoring duplicate\n");
1705 if (hs && hs != pb) {
1706 struct osl_object obj;
1707 if (pb) { /* hs trumps pb, remove pb */
1708 if (flags & ADD_FLAG_VERBOSE) {
1709 ret = para_printf(&msg, "removing path brother\n");
1713 ret = osl_del_row(audio_file_table, pb);
1718 /* file rename, update hs' path */
1719 if (flags & ADD_FLAG_VERBOSE) {
1720 ret = osl_get_object(audio_file_table, hs,
1724 ret = para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1728 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1729 &objs[AFTCOL_PATH]);
1732 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1733 if (!(flags & ADD_FLAG_FORCE))
1736 /* no hs or force mode, child must have sent afhi */
1737 afhi_offset = read_u16(buf + CAB_AFHI_OFFSET_POS);
1738 chunks_offset = read_u16(buf + CAB_CHUNKS_OFFSET_POS);
1740 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1741 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1743 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1745 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1746 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1747 if (pb && !hs) { /* update pb's hash */
1748 char old_asc[2 * HASH_SIZE + 1];
1749 HASH_TYPE *old_hash;
1750 ret = get_hash_of_row(pb, &old_hash);
1753 hash_to_asc(old_hash, old_asc);
1754 if (flags & ADD_FLAG_VERBOSE) {
1755 ret = para_printf(&msg, "file change: %s -> %s\n",
1760 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1761 &objs[AFTCOL_HASH]);
1765 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1766 struct osl_row *row = pb? pb : hs;
1767 /* update afhi and chunk_table */
1768 if (flags & ADD_FLAG_VERBOSE) {
1769 ret = para_printf(&msg, "updating afhi and chunk table\n");
1773 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1774 &objs[AFTCOL_AFHI]);
1777 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1778 &objs[AFTCOL_CHUNKS]);
1781 afs_event(AFHI_CHANGE, &msg, row);
1784 /* new entry, use default afsi */
1785 if (flags & ADD_FLAG_VERBOSE) {
1786 ret = para_printf(&msg, "new file\n");
1790 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1791 default_afsi.audio_format_id = read_u8(buf + CAB_AUDIO_FORMAT_OFFSET);
1793 objs[AFTCOL_AFSI].data = &afsi_buf;
1794 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1795 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1796 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1797 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1800 para_printf(&msg, "%s\n", para_strerror(-ret));
1802 pass_buffer_as_shm(msg.buf, msg.offset, &fd);
1806 /** Used by com_add(). */
1807 struct private_add_data {
1808 /** The socket file descriptor. */
1810 /** The given add flags. */
1814 static void path_brother_callback(int fd, const struct osl_object *query)
1816 char *path = query->data;
1817 struct osl_row *path_brother;
1818 int ret = aft_get_row_of_path(path, &path_brother);
1821 pass_buffer_as_shm((char *)&path_brother, sizeof(path_brother), &fd);
1824 static void hash_sister_callback(int fd, const struct osl_object *query)
1826 HASH_TYPE *hash = query->data;
1827 struct osl_row *hash_sister;
1829 hash_sister = find_hash_sister(hash);
1832 pass_buffer_as_shm((char *)&hash_sister, sizeof(hash_sister), &fd);
1835 static int get_row_pointer_from_result(struct osl_object *result, void *private)
1837 struct osl_row **row = private;
1838 *row = result->data;
1842 static int add_one_audio_file(const char *path, void *private_data)
1844 int ret, send_ret = 1, fd;
1845 uint8_t format_num = -1;
1846 struct private_add_data *pad = private_data;
1847 struct afh_info afhi, *afhi_ptr = NULL;
1848 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1849 struct osl_object map, obj = {.data = NULL}, query;
1850 HASH_TYPE hash[HASH_SIZE];
1852 ret = guess_audio_format(path);
1853 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1855 query.data = (char *)path;
1856 query.size = strlen(path) + 1;
1857 ret = send_callback_request(path_brother_callback, &query,
1858 get_row_pointer_from_result, &pb);
1859 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1862 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1863 if (pad->flags & ADD_FLAG_VERBOSE)
1864 send_ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1867 /* We still want to add this file. Compute its hash. */
1868 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, &fd);
1871 hash_function(map.data, map.size, hash);
1873 /* Check whether the database contains a file with the same hash. */
1875 query.size = HASH_SIZE;
1876 ret = send_callback_request(hash_sister_callback, &query,
1877 get_row_pointer_from_result, &hs);
1880 /* Return success if we already know this file. */
1882 if (pb && hs && hs == pb && !(pad->flags & ADD_FLAG_FORCE)) {
1883 if (pad->flags & ADD_FLAG_VERBOSE)
1884 send_ret = send_va_buffer(pad->fd,
1885 "%s exists, not forcing update\n", path);
1889 * We won't recalculate the audio format info and the chunk table if
1890 * there is a hash sister and FORCE was not given.
1892 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1893 ret = compute_afhi(path, map.data, map.size, fd, &afhi);
1899 munmap(map.data, map.size);
1901 if (pad->flags & ADD_FLAG_VERBOSE) {
1902 send_ret = send_va_buffer(pad->fd, "adding %s\n", path);
1906 save_add_callback_buffer(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1907 /* Ask afs to consider this entry for adding. */
1908 ret = send_callback_request(com_add_callback, &obj, send_result, &pad->fd);
1913 munmap(map.data, map.size);
1915 if (ret < 0 && send_ret >= 0)
1916 send_ret = send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1917 para_strerror(-ret));
1920 free(afhi_ptr->chunk_table);
1921 free(afhi_ptr->info_string);
1923 /* Stop adding files only on send errors. */
1927 int com_add(int fd, int argc, char * const * const argv)
1930 struct private_add_data pad = {.fd = fd, .flags = 0};
1931 struct stat statbuf;
1933 for (i = 1; i < argc; i++) {
1934 const char *arg = argv[i];
1937 if (!strcmp(arg, "--")) {
1941 if (!strcmp(arg, "-a")) {
1942 pad.flags |= ADD_FLAG_ALL;
1945 if (!strcmp(arg, "-l")) {
1946 pad.flags |= ADD_FLAG_LAZY;
1949 if (!strcmp(arg, "-f")) {
1950 pad.flags |= ADD_FLAG_FORCE;
1953 if (!strcmp(arg, "-v")) {
1954 pad.flags |= ADD_FLAG_VERBOSE;
1959 return -E_AFT_SYNTAX;
1960 for (; i < argc; i++) {
1962 ret = verify_path(argv[i], &path);
1964 ret = send_va_buffer(fd, "%s: %s\n", argv[i],
1965 para_strerror(-ret));
1970 ret = stat(path, &statbuf);
1972 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1979 if (S_ISDIR(statbuf.st_mode))
1980 ret = for_each_file_in_dir(path, add_one_audio_file,
1983 ret = add_one_audio_file(path, &pad);
1985 send_va_buffer(fd, "%s: %s\n", path, para_strerror(-ret));
1996 * Flags used by the touch command.
2001 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
2002 TOUCH_FLAG_FNM_PATHNAME = 1,
2003 /** Activates verbose mode. */
2004 TOUCH_FLAG_VERBOSE = 2
2007 /** Options used by com_touch(). */
2008 struct com_touch_options {
2009 /** New num_played value. */
2011 /** New last played count. */
2012 int64_t last_played;
2013 /** New lyrics id. */
2015 /** New image id. */
2017 /** New amplification value. */
2019 /** Command line flags (see \ref touch_flags). */
2023 /** Data passed to the action handler of com_touch(). */
2024 struct touch_action_data {
2025 /** Command line options (see \ref com_touch_options). */
2026 struct com_touch_options *cto;
2027 /** Message buffer. */
2028 struct para_buffer pb;
2029 /** How many audio files matched the given pattern. */
2030 unsigned num_matches;
2033 static int touch_audio_file(__a_unused struct osl_table *table,
2034 struct osl_row *row, const char *name, void *data)
2036 struct touch_action_data *tad = data;
2037 struct osl_object obj;
2038 struct afs_info old_afsi, new_afsi;
2039 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
2040 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0 && tad->cto->amp < 0;
2041 struct afsi_change_event_data aced;
2043 ret = get_afsi_object_of_row(row, &obj);
2045 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
2046 ret = load_afsi(&old_afsi, &obj);
2048 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
2049 new_afsi = old_afsi;
2051 new_afsi.num_played++;
2052 new_afsi.last_played = time(NULL);
2053 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
2054 ret = para_printf(&tad->pb, "%s: num_played = %u, "
2055 "last_played = now()\n", name,
2056 new_afsi.num_played);
2061 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
2062 ret = para_printf(&tad->pb, "touching %s\n", name);
2066 if (tad->cto->lyrics_id >= 0)
2067 new_afsi.lyrics_id = tad->cto->lyrics_id;
2068 if (tad->cto->image_id >= 0)
2069 new_afsi.image_id = tad->cto->image_id;
2070 if (tad->cto->num_played >= 0)
2071 new_afsi.num_played = tad->cto->num_played;
2072 if (tad->cto->last_played >= 0)
2073 new_afsi.last_played = tad->cto->last_played;
2074 if (tad->cto->amp >= 0)
2075 new_afsi.amp = tad->cto->amp;
2078 save_afsi(&new_afsi, &obj); /* in-place update */
2080 aced.old_afsi = &old_afsi;
2081 afs_event(AFSI_CHANGE, &tad->pb, &aced);
2085 static void com_touch_callback(int fd, const struct osl_object *query)
2087 struct touch_action_data tad = {.cto = query->data,
2090 .private_data = &fd,
2091 .max_size_handler = pass_buffer_as_shm
2095 struct pattern_match_data pmd = {
2096 .table = audio_file_table,
2097 .loop_col_num = AFTCOL_HASH,
2098 .match_col_num = AFTCOL_PATH,
2099 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
2100 .size = query->size - sizeof(*tad.cto)},
2102 .action = touch_audio_file
2104 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
2105 pmd.fnmatch_flags |= FNM_PATHNAME;
2106 ret = for_each_matching_row(&pmd);
2108 ret2 = para_printf(&tad.pb, "%s\n", para_strerror(-ret));
2110 if (!tad.num_matches)
2111 ret2 = para_printf(&tad.pb, "no matches\n");
2112 if (ret2 >= 0 && tad.pb.offset)
2113 pass_buffer_as_shm(tad.pb.buf, tad.pb.offset, &fd);
2117 int com_touch(int fd, int argc, char * const * const argv)
2119 struct com_touch_options cto = {
2126 struct osl_object query = {.data = &cto, .size = sizeof(cto)};
2130 for (i = 1; i < argc; i++) {
2131 const char *arg = argv[i];
2134 if (!strcmp(arg, "--")) {
2138 if (!strncmp(arg, "-n", 2)) {
2139 ret = para_atoi32(arg + 2, &cto.num_played);
2144 if (!strncmp(arg, "-l", 2)) {
2145 ret = para_atoi64(arg + 2, &cto.last_played);
2150 if (!strncmp(arg, "-y", 2)) {
2151 ret = para_atoi32(arg + 2, &cto.lyrics_id);
2156 if (!strncmp(arg, "-i", 2)) {
2157 ret = para_atoi32(arg + 2, &cto.image_id);
2162 if (!strncmp(arg, "-a", 2)) {
2164 ret = para_atoi32(arg + 2, &val);
2167 if (val < 0 || val > 255)
2168 return -ERRNO_TO_PARA_ERROR(EINVAL);
2172 if (!strcmp(arg, "-p")) {
2173 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
2176 if (!strcmp(arg, "-v")) {
2177 cto.flags |= TOUCH_FLAG_VERBOSE;
2180 break; /* non-option starting with dash */
2183 return -E_AFT_SYNTAX;
2184 ret = send_option_arg_callback_request(&query, argc - i,
2185 argv + i, com_touch_callback, send_result, &fd);
2187 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2191 /** Flags for com_rm(). */
2194 RM_FLAG_VERBOSE = 1,
2198 RM_FLAG_FNM_PATHNAME = 4
2201 /** Data passed to the action handler of com_rm(). */
2202 struct com_rm_action_data {
2203 /** Command line flags ((see \ref rm_flags). */
2205 /** Message buffer. */
2206 struct para_buffer pb;
2207 /** Number of audio files removed. */
2208 unsigned num_removed;
2211 static int remove_audio_file(__a_unused struct osl_table *table,
2212 struct osl_row *row, const char *name, void *data)
2214 struct com_rm_action_data *crd = data;
2217 if (crd->flags & RM_FLAG_VERBOSE) {
2218 ret = para_printf(&crd->pb, "removing %s\n", name);
2222 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2223 ret = osl_del_row(audio_file_table, row);
2225 para_printf(&crd->pb, "%s: %s\n", name, para_strerror(-ret));
2231 static void com_rm_callback(int fd, const struct osl_object *query)
2233 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data,
2236 .private_data = &fd,
2237 .max_size_handler = pass_buffer_as_shm
2241 struct pattern_match_data pmd = {
2242 .table = audio_file_table,
2243 .loop_col_num = AFTCOL_HASH,
2244 .match_col_num = AFTCOL_PATH,
2245 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2246 .size = query->size - sizeof(uint32_t)},
2248 .action = remove_audio_file
2250 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2251 pmd.fnmatch_flags |= FNM_PATHNAME;
2252 ret = for_each_matching_row(&pmd);
2254 para_printf(&crd.pb, "%s\n", para_strerror(-ret));
2257 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2258 ret = para_printf(&crd.pb, "no matches -- nothing removed\n");
2260 if (crd.flags & RM_FLAG_VERBOSE)
2261 ret = para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2263 if (ret >= 0 && crd.pb.offset)
2264 pass_buffer_as_shm(crd.pb.buf, crd.pb.offset, &fd);
2268 /* TODO options: -r (recursive) */
2269 int com_rm(int fd, int argc, char * const * const argv)
2272 struct osl_object query = {.data = &flags, .size = sizeof(flags)};
2275 for (i = 1; i < argc; i++) {
2276 const char *arg = argv[i];
2279 if (!strcmp(arg, "--")) {
2283 if (!strcmp(arg, "-f")) {
2284 flags |= RM_FLAG_FORCE;
2287 if (!strcmp(arg, "-p")) {
2288 flags |= RM_FLAG_FNM_PATHNAME;
2291 if (!strcmp(arg, "-v")) {
2292 flags |= RM_FLAG_VERBOSE;
2298 return -E_AFT_SYNTAX;
2299 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2300 com_rm_callback, send_result, &fd);
2302 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2307 * Flags used by the cpsi command.
2312 /** Whether the lyrics id should be copied. */
2313 CPSI_FLAG_COPY_LYRICS_ID = 1,
2314 /** Whether the image id should be copied. */
2315 CPSI_FLAG_COPY_IMAGE_ID = 2,
2316 /** Whether the lastplayed time should be copied. */
2317 CPSI_FLAG_COPY_LASTPLAYED = 4,
2318 /** Whether the numplayed count should be copied. */
2319 CPSI_FLAG_COPY_NUMPLAYED = 8,
2320 /** Whether the attributes should be copied. */
2321 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2322 /** Activates verbose mode. */
2323 CPSI_FLAG_VERBOSE = 32,
2326 /** Data passed to the action handler of com_cpsi(). */
2327 struct cpsi_action_data {
2328 /** command line flags (see \ref cpsi_flags). */
2330 /** Number of audio files changed. */
2331 unsigned num_copied;
2332 /** Message buffer. */
2333 struct para_buffer pb;
2334 /** Values are copied from here. */
2335 struct afs_info source_afsi;
2338 static int copy_selector_info(__a_unused struct osl_table *table,
2339 struct osl_row *row, const char *name, void *data)
2341 struct cpsi_action_data *cad = data;
2342 struct osl_object target_afsi_obj;
2344 struct afs_info old_afsi, target_afsi;
2345 struct afsi_change_event_data aced;
2347 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2350 load_afsi(&target_afsi, &target_afsi_obj);
2351 old_afsi = target_afsi;
2352 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2353 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2354 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2355 target_afsi.image_id = cad->source_afsi.image_id;
2356 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2357 target_afsi.last_played = cad->source_afsi.last_played;
2358 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2359 target_afsi.num_played = cad->source_afsi.num_played;
2360 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2361 target_afsi.attributes = cad->source_afsi.attributes;
2362 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2364 if (cad->flags & CPSI_FLAG_VERBOSE) {
2365 ret = para_printf(&cad->pb, "copied afsi to %s\n", name);
2370 aced.old_afsi = &old_afsi;
2371 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2375 static void com_cpsi_callback(int fd, const struct osl_object *query)
2377 struct cpsi_action_data cad = {
2378 .flags = *(unsigned *)query->data,
2381 .private_data = &fd,
2382 .max_size_handler = pass_buffer_as_shm
2386 char *source_path = (char *)query->data + sizeof(cad.flags);
2387 struct pattern_match_data pmd = {
2388 .table = audio_file_table,
2389 .loop_col_num = AFTCOL_HASH,
2390 .match_col_num = AFTCOL_PATH,
2391 .patterns = {.data = source_path + strlen(source_path) + 1,
2392 .size = query->size - sizeof(cad.flags)
2393 - strlen(source_path) - 1},
2395 .action = copy_selector_info
2398 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2401 ret = for_each_matching_row(&pmd);
2404 para_printf(&cad.pb, "%s\n", para_strerror(-ret));
2405 else if (cad.flags & CPSI_FLAG_VERBOSE) {
2407 para_printf(&cad.pb, "copied requested afsi from %s "
2408 "to %u files\n", source_path, cad.num_copied);
2410 para_printf(&cad.pb, "nothing copied\n");
2413 pass_buffer_as_shm(cad.pb.buf, cad.pb.offset, &fd);
2417 int com_cpsi(int fd, int argc, char * const * const argv)
2421 struct osl_object options = {.data = &flags, .size = sizeof(flags)};
2423 for (i = 1; i < argc; i++) {
2424 const char *arg = argv[i];
2427 if (!strcmp(arg, "--")) {
2431 if (!strcmp(arg, "-y")) {
2432 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2435 if (!strcmp(arg, "-i")) {
2436 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2439 if (!strcmp(arg, "-l")) {
2440 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2443 if (!strcmp(arg, "-n")) {
2444 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2447 if (!strcmp(arg, "-a")) {
2448 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2451 if (!strcmp(arg, "-v")) {
2452 flags |= CPSI_FLAG_VERBOSE;
2457 if (i + 1 >= argc) /* need at least souce file and pattern */
2458 return -E_AFT_SYNTAX;
2459 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2460 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2461 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2462 com_cpsi_callback, send_result, &fd);
2464 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2468 /* TODO: optionally fix problems by removing offending rows */
2469 static int check_audio_file(struct osl_row *row, void *data)
2472 struct para_buffer *pb = data;
2473 struct stat statbuf;
2474 int ret = get_audio_file_path_of_row(row, &path);
2475 struct afs_info afsi;
2479 return para_printf(pb, "%s\n", para_strerror(-ret));
2480 if (stat(path, &statbuf) < 0) {
2481 ret = para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2485 if (!S_ISREG(statbuf.st_mode)) {
2486 ret = para_printf(pb, "%s: not a regular file\n", path);
2491 ret = get_afsi_of_row(row, &afsi);
2493 return para_printf(pb, "%s: %s\n", path, para_strerror(-ret));
2494 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2496 ret = para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2497 para_strerror(-ret));
2501 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2503 ret = para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2504 para_strerror(-ret));
2509 * Check the audio file table for inconsistencies.
2511 * \param fd The afs socket.
2512 * \param query Unused.
2514 * This function always succeeds.
2518 void aft_check_callback(int fd, __a_unused const struct osl_object *query)
2520 struct para_buffer pb = {
2522 .private_data = &fd,
2523 .max_size_handler = pass_buffer_as_shm
2525 int ret = para_printf(&pb, "checking audio file table...\n");
2529 audio_file_loop(&pb, check_audio_file);
2531 pass_buffer_as_shm(pb.buf, pb.offset, &fd);
2536 * Close the audio file table.
2538 * \param flags Usual flags that are passed to osl_close_table().
2540 * \sa osl_close_table().
2542 static void aft_close(void)
2544 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2545 audio_file_table = NULL;
2549 * Open the audio file table.
2551 * \param dir The database directory.
2555 * \sa osl_open_table().
2557 static int aft_open(const char *dir)
2561 audio_file_table_desc.dir = dir;
2562 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2565 osl_get_num_rows(audio_file_table, &num);
2566 PARA_INFO_LOG("audio file table contains %d files\n", num);
2569 PARA_INFO_LOG("failed to open audio file table\n");
2570 audio_file_table = NULL;
2571 if (ret >= 0 || is_errno(-ret, ENOENT))
2576 static int aft_create(const char *dir)
2578 audio_file_table_desc.dir = dir;
2579 return osl_create_table(&audio_file_table_desc);
2582 static int clear_attribute(struct osl_row *row, void *data)
2584 struct rmatt_event_data *red = data;
2585 struct afs_info afsi;
2586 struct osl_object obj;
2587 int ret = get_afsi_object_of_row(row, &obj);
2588 uint64_t mask = ~(1ULL << red->bitnum);
2592 ret = load_afsi(&afsi, &obj);
2595 afsi.attributes &= mask;
2596 save_afsi(&afsi, &obj);
2600 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2606 case ATTRIBUTE_REMOVE: {
2607 const struct rmatt_event_data *red = data;
2608 ret = para_printf(pb, "clearing attribute %s (bit %u) from all "
2609 "entries in the audio file table\n", red->name,
2613 return audio_file_loop(data, clear_attribute);
2620 void aft_init(struct afs_table *t)
2623 t->close = aft_close;
2624 t->create = aft_create;
2625 t->event_handler = aft_event_handler;