2 * Copyright (C) 2007-2008 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,
80 * The size of the individual output fields of the ls command.
82 * These depend on the actual content being listed. If, for instance only files
83 * with duration less than an hour are being listed, then the duration with is
84 * made smaller because then the duration is listed as mm:ss rather than
88 /** size of the score field. */
89 unsigned short score_width;
90 /** size of the image id field. */
91 unsigned short image_id_width;
92 /** size of the lyrics id field. */
93 unsigned short lyrics_id_width;
94 /** size of the bitrate field. */
95 unsigned short bitrate_width;
96 /** size of the frequency field. */
97 unsigned short frequency_width;
98 /** size of the duration field. */
99 unsigned short duration_width;
100 /** size of the num played field. */
101 unsigned short num_played_width;
102 /** size of the amp field. */
103 unsigned short amp_width;
106 /** Data passed from the ls command handler to its callback function. */
108 /** The given command line flags. */
110 /** The sorting method given at the command line. */
111 enum ls_sorting_method sorting;
112 /** The given listing mode (short, long, verbose, mbox). */
113 enum ls_listing_mode mode;
114 /** The arguments passed to the ls command. */
116 /** Number of non-option arguments. */
118 /** Used for long listing mode to align the output fields. */
119 struct ls_widths widths;
120 /** Size of the \a data array. */
122 /** Number of used entries in the data array. */
123 uint32_t num_matching_paths;
124 /** Array of matching entries. */
125 struct ls_data *data;
126 /** Used to sort the array. */
127 struct ls_data **data_ptr;
131 * Describes the layout of the mmapped-afs info struct.
133 * \sa struct afs_info.
136 /** Where .last_played is stored. */
137 AFSI_LAST_PLAYED_OFFSET = 0,
138 /** Storage position of the attributes bitmap. */
139 AFSI_ATTRIBUTES_OFFSET = 8,
140 /** Storage position of the .num_played field. */
141 AFSI_NUM_PLAYED_OFFSET = 16,
142 /** Storage position of the .image_id field. */
143 AFSI_IMAGE_ID_OFFSET = 20,
144 /** Storage position of the .lyrics_id field. */
145 AFSI_LYRICS_ID_OFFSET = 24,
146 /** Storage position of the .audio_format_id field. */
147 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
148 /** Storage position of the amplification field. */
149 AFSI_AMP_OFFSET = 29,
150 /** 2 bytes reserved space for future usage. */
151 AFSI_AUDIO_FORMAT_UNUSED_OFFSET = 30,
152 /** On-disk storage space needed. */
157 * Convert a struct afs_info to an osl object.
159 * \param afsi Pointer to the audio file info to be converted.
160 * \param obj Result pointer.
164 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
166 char *buf = obj->data;
168 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
169 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
170 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
171 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
172 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
173 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
174 afsi->audio_format_id);
175 write_u8(buf + AFSI_AMP_OFFSET, afsi->amp);
176 memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 2);
180 * Get the audio file selector info struct stored in an osl object.
182 * \param afsi Points to the audio_file info structure to be filled in.
183 * \param obj The osl object holding the data.
185 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
189 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
191 char *buf = obj->data;
192 if (obj->size < AFSI_SIZE)
194 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
195 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
196 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
197 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
198 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
199 afsi->audio_format_id = read_u8(buf +
200 AFSI_AUDIO_FORMAT_ID_OFFSET);
201 afsi->amp = read_u8(buf + AFSI_AMP_OFFSET);
205 /** The columns of the audio file table. */
206 enum audio_file_table_columns {
207 /** The hash on the content of the audio file. */
209 /** The full path in the filesystem. */
211 /** The audio file selector info. */
213 /** The audio format handler info. */
215 /** The chunk table info and the chunk table of the audio file. */
217 /** The number of columns of this table. */
221 static struct osl_column_description aft_cols[] = {
223 .storage_type = OSL_MAPPED_STORAGE,
224 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
226 .compare_function = osl_hash_compare,
227 .data_size = HASH_SIZE
230 .storage_type = OSL_MAPPED_STORAGE,
231 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
233 .compare_function = string_compare,
236 .storage_type = OSL_MAPPED_STORAGE,
237 .storage_flags = OSL_FIXED_SIZE,
239 .data_size = AFSI_SIZE
242 .storage_type = OSL_MAPPED_STORAGE,
246 .storage_type = OSL_DISK_STORAGE,
251 static struct osl_table_description audio_file_table_desc = {
252 .name = "audio_files",
253 .num_columns = NUM_AFT_COLUMNS,
254 .flags = OSL_LARGE_TABLE,
255 .column_descriptions = aft_cols
258 /* We don't want * dot or dot-dot anywhere. */
259 static int verify_dotfile(const char *rest)
262 * The first character was '.', but that has already been discarded, we
266 case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
268 case '.': /* path start with /foo/.. */
269 if (rest[1] == '\0' || rest[1] == '/')
270 return -1; /* /foo/.. or /foo/../bar are not ok */
271 /* /foo/..bar is ok */
277 * We fundamentally don't like some paths: We don't want double slashes or
278 * slashes at the end that can make pathnames ambiguous.
280 static int verify_path(const char *orig_path, char **resolved_path)
286 if (*orig_path != '/') /* we only accept absolute paths */
288 len = strlen(orig_path);
289 *resolved_path = para_strdup(orig_path);
290 path = *resolved_path;
291 while (len > 1 && path[--len] == '/')
292 path[len] = '\0'; /* remove slash at the end */
298 case '/': /* double slash */
301 if (verify_dotfile(path) < 0)
311 free(*resolved_path);
315 /** The on-disk layout of a afhi struct. */
317 /** Where the number of seconds is stored. */
318 AFHI_SECONDS_TOTAL_OFFSET = 0,
319 /** Position of the bitrate. */
320 AFHI_BITRATE_OFFSET = 4,
321 /** Position of the frequency. */
322 AFHI_FREQUENCY_OFFSET = 8,
323 /** Location of the audio file header. */
324 AFHI_HEADER_OFFSET_OFFSET = 12,
325 /* Length of the audio file header. Zero means: No header. */
326 AFHI_HEADER_LEN_OFFSET = 16,
327 /** The total number of chunks (4 bytes). */
328 CHUNKS_TOTAL_OFFSET = 20,
329 /** The length of the audio file header (4 bytes). */
330 HEADER_LEN_OFFSET = 24,
331 /** The start of the audio file header (4 bytes). */
332 HEADER_OFFSET_OFFSET = 28,
333 /** The seconds part of the chunk time (4 bytes). */
334 CHUNK_TV_TV_SEC_OFFSET = 32,
335 /** The microseconds part of the chunk time (4 bytes). */
336 CHUNK_TV_TV_USEC_OFFSET = 36,
337 /** Number of channels is stored here. (1 byte) */
338 AFHI_CHANNELS_OFFSET = 40,
339 /** EOF timeout in ms. (2 byte) */
340 AFHI_EOF_OFFSET = 41,
341 /** The tag info position. */
342 AFHI_INFO_STRING_OFFSET = 43,
343 /** Minimal on-disk size of a valid afhi struct. */
347 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
351 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
354 static void save_afhi(struct afh_info *afhi, char *buf)
358 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET, afhi->seconds_total);
359 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
360 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
361 write_u32(buf + AFHI_HEADER_OFFSET_OFFSET, afhi->header_offset);
362 write_u32(buf + AFHI_HEADER_LEN_OFFSET, afhi->header_len);
363 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
364 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
365 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
366 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
367 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
368 write_u32(buf + CHUNK_TV_TV_USEC_OFFSET, afhi->chunk_tv.tv_usec);
369 write_u16(buf + AFHI_EOF_OFFSET, tv2ms(&afhi->eof_tv));
370 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
373 static void load_afhi(const char *buf, struct afh_info *afhi)
375 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
376 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
377 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
378 afhi->header_offset = read_u32(buf + AFHI_HEADER_OFFSET_OFFSET);
379 afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_OFFSET);
380 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
381 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
382 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
383 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
384 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
385 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC_OFFSET);
386 ms2tv(read_u16(buf + AFHI_EOF_OFFSET), &afhi->eof_tv);
387 afhi->info_string = para_strdup(buf + AFHI_INFO_STRING_OFFSET);
390 static unsigned sizeof_chunk_table(struct afh_info *afhi)
394 return 4 * (afhi->chunks_total + 1);
397 static void save_chunk_table(struct afh_info *afhi, char *buf)
401 for (i = 0; i <= afhi->chunks_total; i++)
402 write_u32(buf + 4 * i, afhi->chunk_table[i]);
405 static void load_chunk_table(struct afh_info *afhi, char *buf)
409 afhi->chunk_table = para_malloc(sizeof_chunk_table(afhi));
410 for (i = 0; i <= afhi->chunks_total; i++)
411 afhi->chunk_table[i] = read_u32(buf + 4 * i);
415 * Get the row of the audio file table corresponding to the given path.
417 * \param path The full path of the audio file.
418 * \param row Result pointer.
420 * \return The return value of the underlying call to osl_get_row().
422 int aft_get_row_of_path(const char *path, struct osl_row **row)
424 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
426 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
430 * Get the row of the audio file table corresponding to the given hash value.
432 * \param hash The hash value of the desired audio file.
433 * \param row resul pointer.
435 * \return The return value of the underlying call to osl_get_row().
437 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
439 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
440 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
444 * Get the osl object holding the audio file selector info of a row.
446 * \param row Pointer to a row in the audio file table.
447 * \param obj Result pointer.
449 * \return The return value of the underlying call to osl_get_object().
451 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
453 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
457 * Get the osl object holding the audio file selector info, given a path.
460 * \param path The full path of the audio file.
461 * \param obj Result pointer.
463 * \return Positive on success, negative on errors.
465 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
468 int ret = aft_get_row_of_path(path, &row);
471 return get_afsi_object_of_row(row, obj);
475 * Get the audio file selector info, given a row of the audio file table.
477 * \param row Pointer to a row in the audio file table.
478 * \param afsi Result pointer.
480 * \return Positive on success, negative on errors.
482 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
484 struct osl_object obj;
485 int ret = get_afsi_object_of_row(row, &obj);
488 return load_afsi(afsi, &obj);
492 * Get the audio file selector info, given the path of an audio table.
494 * \param path The full path of the audio file.
495 * \param afsi Result pointer.
497 * \return Positive on success, negative on errors.
499 int get_afsi_of_path(const char *path, struct afs_info *afsi)
501 struct osl_object obj;
502 int ret = get_afsi_object_of_path(path, &obj);
505 return load_afsi(afsi, &obj);
509 * Get the path of an audio file, given a row of the audio file table.
511 * \param row Pointer to a row in the audio file table.
512 * \param path Result pointer.
514 * The result is a pointer to mmapped data. The caller must not attempt
519 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
521 struct osl_object path_obj;
522 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
526 *path = path_obj.data;
531 * Get the object containing the hash value of an audio file, given a row.
533 * \param row Pointer to a row of the audio file table.
534 * \param obj Result pointer.
536 * \return The return value of the underlying call to osl_get_object().
538 * \sa get_hash_of_row().
540 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
542 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
546 * Get the hash value of an audio file, given a row of the audio file table.
548 * \param row Pointer to a row of the audio file table.
549 * \param hash Result pointer.
551 * \a hash points to mapped data and must not be freed by the caller.
553 * \return The return value of the underlying call to
554 * get_hash_object_of_aft_row().
556 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
558 struct osl_object obj;
559 int ret = get_hash_object_of_aft_row(row, &obj);
568 * Get the audio format handler info, given a row of the audio file table.
570 * \param row Pointer to a row of the audio file table.
571 * \param afhi Result pointer.
573 * \return The return value of the underlying call to osl_get_object().
575 * \sa get_chunk_table_of_row().
577 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
579 struct osl_object obj;
580 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
584 load_afhi(obj.data, afhi);
588 /* returns shmid on success */
589 static int save_afd(struct audio_file_data *afd)
591 size_t size = sizeof(*afd) + sizeof_chunk_table(&afd->afhi);
592 int shmid, ret = shm_new(size);
599 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
602 *(struct audio_file_data *)shm_afd = *afd;
605 save_chunk_table(&afd->afhi, buf);
613 int load_afd(int shmid, struct audio_file_data *afd)
619 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
622 *afd = *(struct audio_file_data *)shm_afd;
625 load_chunk_table(&afd->afhi, buf);
631 * Mmap the given audio file and update statistics.
633 * \param aft_row Determines the audio file to be opened and updated.
634 * \param score The score of the audio file.
635 * \param afd Result pointer.
637 * On success, the numplayed field of the audio file selector info is increased
638 * and the lastplayed time is set to the current time. Finally, the score of
639 * the audio file is updated.
641 * \return Positive shmid on success, negative on errors.
643 int open_and_update_audio_file(struct osl_row *aft_row, long score,
644 struct audio_file_data *afd)
646 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
647 struct osl_object afsi_obj;
648 struct afs_info old_afsi, new_afsi;
649 int ret = get_hash_of_row(aft_row, &aft_hash);
650 struct afsi_change_event_data aced;
651 struct osl_object map, chunk_table_obj;
656 ret = get_audio_file_path_of_row(aft_row, &path);
659 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
662 ret = load_afsi(&old_afsi, &afsi_obj);
665 ret = get_afhi_of_row(aft_row, &afd->afhi);
668 afd->afhi.chunk_table = NULL;
669 ret = osl_open_disk_object(audio_file_table, aft_row,
670 AFTCOL_CHUNKS, &chunk_table_obj);
673 ret = mmap_full_file(path, O_RDONLY, &map.data,
674 &map.size, &afd->fd);
677 hash_function(map.data, map.size, file_hash);
678 ret = hash_compare(file_hash, aft_hash);
679 para_munmap(map.data, map.size);
681 ret = -E_HASH_MISMATCH;
685 new_afsi.num_played++;
686 new_afsi.last_played = time(NULL);
687 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
689 load_chunk_table(&afd->afhi, chunk_table_obj.data);
692 .afhi = afd->afhi, /* struct copy */
698 struct para_buffer pb = {.max_size = VERBOSE_LS_OUTPUT_SIZE - 1};
699 ret = make_status_items(&d, &pb); /* frees info string */
700 afd->afhi.info_string = NULL;
703 strncpy(afd->verbose_ls_output, pb.buf, VERBOSE_LS_OUTPUT_SIZE);
704 afd->verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE - 1] = '\0';
707 aced.aft_row = aft_row;
708 aced.old_afsi = &old_afsi;
709 afs_event(AFSI_CHANGE, NULL, &aced);
712 free(afd->afhi.chunk_table);
713 free(afd->afhi.info_string);
714 osl_close_disk_object(&chunk_table_obj);
718 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
719 time_t current_time, enum ls_listing_mode lm)
723 if (!localtime_r((time_t *)seconds, &t))
725 if (lm == LS_MODE_MBOX) {
726 if (!strftime(buf, size, "%c", &t))
730 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
731 if (!strftime(buf, size, "%b %e %k:%M", &t))
735 if (!strftime(buf, size, "%b %e %Y", &t))
740 /** Compute the number of (decimal) digits of a number. */
741 #define GET_NUM_DIGITS(x, num) { \
742 typeof((x)) _tmp = PARA_ABS(x); \
745 while ((_tmp) > 9) { \
751 static short unsigned get_duration_width(int seconds)
753 short unsigned width;
754 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
756 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
757 return 4 + (mins > 9);
758 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
759 GET_NUM_DIGITS(hours, &width);
763 static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
765 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
766 short unsigned max_width;
768 if (!hours) { /* m:ss or mm:ss */
769 max_width = opts->mode == LS_MODE_LONG?
770 opts->widths.duration_width : 4;
771 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
772 } else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
773 max_width = opts->mode == LS_MODE_LONG?
774 opts->widths.duration_width : 7;
775 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
780 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
782 char *att_text, *att_lines;
784 get_attribute_text(&afsi->attributes, " ", &att_text);
786 return para_strdup(att_bitmap);
787 att_lines = make_message("%s: %s\n%s: %s",
788 status_item_list[SI_ATTRIBUTES_BITMAP], att_bitmap,
789 status_item_list[SI_ATTRIBUTES_TXT], att_text);
794 static char *make_lyrics_lines(struct afs_info *afsi)
798 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
799 return make_message("%s: %u\n%s: %s\n",
800 status_item_list[SI_LYRICS_ID], afsi->lyrics_id,
801 status_item_list[SI_LYRICS_NAME], lyrics_name?
802 lyrics_name : "(none)");
805 static char *make_image_lines(struct afs_info *afsi)
808 img_get_name_by_id(afsi->image_id, &image_name);
809 return make_message("%s: %u\n%s: %s\n",
810 status_item_list[SI_IMAGE_ID], afsi->image_id,
811 status_item_list[SI_IMAGE_NAME], image_name?
812 image_name : "(none)");
815 static char *make_filename_lines(const char *path, unsigned flags)
818 const char *basename;
820 if (!(flags & LS_FLAG_FULL_PATH))
821 return make_message("%s: %s\n",
822 status_item_list[SI_BASENAME], path);
823 basename = para_basename(path),
824 dirname = para_dirname(path);
825 ret = make_message("%s: %s\n%s: %s\n%s: %s\n",
826 status_item_list[SI_PATH], path,
827 status_item_list[SI_DIRECTORY], dirname? dirname : "?",
828 status_item_list[SI_BASENAME], basename? basename : "?");
833 static int print_chunk_table(struct ls_data *d, struct para_buffer *b)
835 struct osl_object chunk_table_obj;
836 struct osl_row *aft_row;
840 ret = aft_get_row_of_hash(d->hash, &aft_row);
843 ret = osl_open_disk_object(audio_file_table, aft_row,
844 AFTCOL_CHUNKS, &chunk_table_obj);
847 ret = para_printf(b, "%s\n"
848 "chunk_time: %lu:%lu\nchunk_offsets: ",
850 (long unsigned) d->afhi.chunk_tv.tv_sec,
851 (long unsigned) d->afhi.chunk_tv.tv_usec
855 buf = chunk_table_obj.data;
856 for (i = 0; i <= d->afhi.chunks_total; i++) {
857 ret = para_printf(b, "%u ", (unsigned) read_u32(buf + 4 * i));
861 ret = para_printf(b, "\n");
863 osl_close_disk_object(&chunk_table_obj);
867 static int print_list_item(struct ls_data *d, struct ls_options *opts,
868 struct para_buffer *b, time_t current_time)
872 char last_played_time[30];
873 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
874 char score_buf[30] = "";
875 struct afs_info *afsi = &d->afsi;
876 struct afh_info *afhi = &d->afhi;
877 struct ls_widths *w = &opts->widths;
878 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
879 char asc_hash[2 * HASH_SIZE + 1];
880 char *att_lines, *lyrics_lines, *image_lines, *filename_lines;
882 if (opts->mode == LS_MODE_SHORT) {
883 ret = para_printf(b, "%s\n", d->path);
886 if (opts->mode == LS_MODE_CHUNKS) {
887 ret = print_chunk_table(d, b);
890 get_attribute_bitmap(&afsi->attributes, att_buf);
891 ret = get_local_time(&afsi->last_played, last_played_time,
892 sizeof(last_played_time), current_time, opts->mode);
895 get_duration_buf(afhi->seconds_total, duration_buf, opts);
897 if (opts->mode == LS_MODE_LONG)
898 sprintf(score_buf, "%*li ", w->score_width, d->score);
900 sprintf(score_buf, "%li ", d->score);
903 if (opts->mode == LS_MODE_LONG) {
906 "%s " /* attributes */
908 "%*d " /* image_id */
909 "%*d " /* lyrics_id */
911 "%s " /* audio format */
912 "%*d " /* frequency */
915 "%*d " /* num_played */
916 "%s " /* last_played */
920 w->amp_width, afsi->amp,
921 w->image_id_width, afsi->image_id,
922 w->lyrics_id_width, afsi->lyrics_id,
923 w->bitrate_width, afhi->bitrate,
924 audio_format_name(afsi->audio_format_id),
925 w->frequency_width, afhi->frequency,
928 w->num_played_width, afsi->num_played,
934 hash_to_asc(d->hash, asc_hash);
935 att_lines = make_attribute_lines(att_buf, afsi);
936 lyrics_lines = make_lyrics_lines(afsi);
937 image_lines = make_image_lines(afsi);
938 filename_lines = make_filename_lines(d->path, opts->flags);
939 if (opts->mode == LS_MODE_MBOX) {
940 const char *bn = para_basename(d->path);
942 "From foo@localhost %s\n"
943 "Received: from\nTo: bar\nFrom: a\n"
951 "%s" /* filename stuff */
952 "%s%s%s%s" /* score */
953 "%s\n" /* attributes */
954 "%s: %s\n" /* hash */
955 "%s" /* image id, image name */
957 "%s: %dkbit/s\n" /* bitrate */
958 "%s: %s\n" /* format */
959 "%s: %dHz\n" /* frequency */
960 "%s: %d\n" /* channels */
961 "%s: %s\n" /* duration */
962 "%s: %lu\n" /* seconds total */
963 "%s: %s\n" /* last played time */
964 "%s: %d\n" /* num_played */
965 "%s: %u\n" /* ampplification */
967 "%s: %lu\n" /* chunk time */
968 "%s: %lu\n", /* num chunks */
970 have_score? status_item_list[SI_SCORE] : "",
971 have_score? ": " : "",
973 have_score? "\n" : "",
975 status_item_list[SI_HASH], asc_hash,
978 status_item_list[SI_BITRATE], afhi->bitrate,
979 status_item_list[SI_FORMAT], audio_format_name(afsi->audio_format_id),
980 status_item_list[SI_FREQUENCY], afhi->frequency,
981 status_item_list[SI_CHANNELS], afhi->channels,
982 status_item_list[SI_DURATION], duration_buf,
983 status_item_list[SI_SECONDS_TOTAL], afhi->seconds_total,
984 status_item_list[SI_LAST_PLAYED], last_played_time,
985 status_item_list[SI_NUM_PLAYED], afsi->num_played,
986 status_item_list[SI_AMPLIFICATION], afsi->amp,
988 status_item_list[SI_CHUNK_TIME], tv2ms(&afhi->chunk_tv),
989 status_item_list[SI_NUM_CHUNKS], afhi->chunks_total
993 if (opts->mode == LS_MODE_MBOX) {
994 struct osl_object lyrics_def;
995 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
996 if (lyrics_def.data) {
997 ret = para_printf(b, "Lyrics:\n~~~~~~~\n%s",
998 (char *)lyrics_def.data);
999 osl_close_disk_object(&lyrics_def);
1005 free(filename_lines);
1007 free(afhi->info_string);
1011 void make_empty_status_items(char *buf)
1015 "%s: \n" /* dirname */
1016 "%s: \n" /* basename */
1017 "%s: \n" /* score */
1018 "%s: \n" /* attributes bitmap */
1019 "%s: \n" /* attributes txt */
1021 "%s: \n" /* image id */
1022 "%s: \n" /* image name */
1023 "%s: \n" /* lyrics id */
1024 "%s: \n" /* lyrics name */
1025 "%s: \n" /* bitrate */
1026 "%s: \n" /* format */
1027 "%s: \n" /* frequency */
1028 "%s: \n" /* channels */
1029 "%s: \n" /* duration */
1030 "%s: \n" /* seconds total */
1031 "%s: \n" /* num played */
1032 "%s: \n" /* last played */
1033 "%s: \n" /* audio file info */
1034 "%s: \n" /* taginfo1 */
1035 "%s: \n" /* taginfo2 */
1036 "%s: \n" /* amplification */
1038 status_item_list[SI_PATH],
1039 status_item_list[SI_DIRECTORY],
1040 status_item_list[SI_BASENAME],
1041 status_item_list[SI_SCORE],
1042 status_item_list[SI_ATTRIBUTES_BITMAP],
1043 status_item_list[SI_ATTRIBUTES_TXT],
1044 status_item_list[SI_HASH],
1045 status_item_list[SI_IMAGE_ID],
1046 status_item_list[SI_IMAGE_NAME],
1047 status_item_list[SI_LYRICS_ID],
1048 status_item_list[SI_LYRICS_NAME],
1049 status_item_list[SI_BITRATE],
1050 status_item_list[SI_FORMAT],
1051 status_item_list[SI_FREQUENCY],
1052 status_item_list[SI_CHANNELS],
1053 status_item_list[SI_DURATION],
1054 status_item_list[SI_SECONDS_TOTAL],
1055 status_item_list[SI_NUM_PLAYED],
1056 status_item_list[SI_LAST_PLAYED],
1057 status_item_list[SI_AUDIO_FILE_INFO],
1058 status_item_list[SI_TAGINFO1],
1059 status_item_list[SI_TAGINFO2],
1060 status_item_list[SI_AMPLIFICATION]
1064 int make_status_items(struct ls_data *d, struct para_buffer *pb)
1066 struct ls_options opts = {
1067 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
1068 .mode = LS_MODE_VERBOSE,
1070 time_t current_time;
1072 time(¤t_time);
1073 return print_list_item(d, &opts, pb, current_time);
1077 static int ls_audio_format_compare(const void *a, const void *b)
1079 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1080 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1083 static int ls_duration_compare(const void *a, const void *b)
1085 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1086 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1089 static int ls_bitrate_compare(const void *a, const void *b)
1091 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1092 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1095 static int ls_lyrics_id_compare(const void *a, const void *b)
1097 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1098 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1101 static int ls_image_id_compare(const void *a, const void *b)
1103 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1104 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1107 static int ls_channels_compare(const void *a, const void *b)
1109 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1110 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1113 static int ls_frequency_compare(const void *a, const void *b)
1115 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1116 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1119 static int ls_num_played_compare(const void *a, const void *b)
1121 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1122 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1125 static int ls_last_played_compare(const void *a, const void *b)
1127 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1128 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1131 static int ls_score_compare(const void *a, const void *b)
1133 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1134 return NUM_COMPARE(d1->score, d2->score);
1137 static int ls_path_compare(const void *a, const void *b)
1139 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1140 return strcmp(d1->path, d2->path);
1143 static int sort_matching_paths(struct ls_options *options)
1145 size_t nmemb = options->num_matching_paths;
1146 size_t size = sizeof(*options->data_ptr);
1147 int (*compar)(const void *, const void *);
1150 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1151 for (i = 0; i < nmemb; i++)
1152 options->data_ptr[i] = options->data + i;
1154 /* In these cases the array is already sorted */
1155 if (options->sorting == LS_SORT_BY_PATH
1156 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1157 && (options->flags & LS_FLAG_FULL_PATH))
1159 if (options->sorting == LS_SORT_BY_SCORE &&
1160 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1163 switch (options->sorting) {
1164 case LS_SORT_BY_PATH:
1165 compar = ls_path_compare; break;
1166 case LS_SORT_BY_SCORE:
1167 compar = ls_score_compare; break;
1168 case LS_SORT_BY_LAST_PLAYED:
1169 compar = ls_last_played_compare; break;
1170 case LS_SORT_BY_NUM_PLAYED:
1171 compar = ls_num_played_compare; break;
1172 case LS_SORT_BY_FREQUENCY:
1173 compar = ls_frequency_compare; break;
1174 case LS_SORT_BY_CHANNELS:
1175 compar = ls_channels_compare; break;
1176 case LS_SORT_BY_IMAGE_ID:
1177 compar = ls_image_id_compare; break;
1178 case LS_SORT_BY_LYRICS_ID:
1179 compar = ls_lyrics_id_compare; break;
1180 case LS_SORT_BY_BITRATE:
1181 compar = ls_bitrate_compare; break;
1182 case LS_SORT_BY_DURATION:
1183 compar = ls_duration_compare; break;
1184 case LS_SORT_BY_AUDIO_FORMAT:
1185 compar = ls_audio_format_compare; break;
1189 qsort(options->data_ptr, nmemb, size, compar);
1193 /* row is either an aft_row or a row of the score table */
1194 /* TODO: Only compute widths if we need them */
1195 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1198 struct ls_options *options = ls_opts;
1200 struct ls_widths *w;
1201 unsigned short num_digits;
1203 struct osl_row *aft_row;
1207 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1208 ret = get_score_and_aft_row(row, &score, &aft_row);
1213 ret = get_audio_file_path_of_row(aft_row, &path);
1216 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1217 char *p = strrchr(path, '/');
1221 if (options->num_patterns) {
1222 for (i = 0; i < options->num_patterns; i++) {
1223 ret = fnmatch(options->patterns[i], path, 0);
1226 if (ret == FNM_NOMATCH)
1230 if (i >= options->num_patterns) /* no match */
1233 tmp = options->num_matching_paths++;
1234 if (options->num_matching_paths > options->array_size) {
1235 options->array_size++;
1236 options->array_size *= 2;
1237 options->data = para_realloc(options->data, options->array_size
1238 * sizeof(*options->data));
1240 d = options->data + tmp;
1241 ret = get_afsi_of_row(aft_row, &d->afsi);
1244 ret = get_afhi_of_row(aft_row, &d->afhi);
1248 ret = get_hash_of_row(aft_row, &d->hash);
1251 w = &options->widths;
1252 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1253 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1254 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1255 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1256 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1257 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1258 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1259 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1260 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1261 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1262 /* get the number of chars to print this amount of time */
1263 tmp = get_duration_width(d->afhi.seconds_total);
1264 w->duration_width = PARA_MAX(w->duration_width, tmp);
1265 GET_NUM_DIGITS(d->afsi.amp, &num_digits);
1266 w->amp_width = PARA_MAX(w->amp_width, num_digits);
1267 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1268 GET_NUM_DIGITS(score, &num_digits);
1269 num_digits++; /* add one for the sign (space or "-") */
1270 w->score_width = PARA_MAX(w->score_width, num_digits);
1275 free(d->afhi.info_string);
1279 static void com_ls_callback(int fd, const struct osl_object *query)
1281 struct ls_options *opts = query->data;
1282 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1283 struct para_buffer b = {.max_size = SHMMAX,
1284 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1286 time_t current_time;
1289 if (opts->num_patterns) {
1290 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1291 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1292 opts->patterns[i] = p;
1296 opts->patterns = NULL;
1297 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1298 ret = admissible_file_loop(opts, prepare_ls_row);
1300 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1304 ret = opts->num_patterns? -E_NO_MATCH : 0;
1305 if (!opts->num_matching_paths)
1307 ret = sort_matching_paths(opts);
1310 time(¤t_time);
1311 if (opts->flags & LS_FLAG_REVERSE)
1312 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1313 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1318 for (i = 0; i < opts->num_matching_paths; i++) {
1319 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1325 pass_buffer_as_shm(b.buf, b.offset, &fd);
1328 free(opts->data_ptr);
1329 free(opts->patterns);
1333 * TODO: flags -h (sort by hash)
1335 int com_ls(int fd, int argc, char * const * const argv)
1339 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1340 enum ls_listing_mode mode = LS_MODE_SHORT;
1341 struct ls_options opts = {.patterns = NULL};
1342 struct osl_object query = {.data = &opts, .size = sizeof(opts)};
1344 for (i = 1; i < argc; i++) {
1345 const char *arg = argv[i];
1348 if (!strcmp(arg, "--")) {
1352 if (!strncmp(arg, "-l", 2)) {
1354 mode = LS_MODE_LONG;
1358 return -E_AFT_SYNTAX;
1359 switch(*(arg + 2)) {
1361 mode = LS_MODE_SHORT;
1364 mode = LS_MODE_LONG;
1367 mode = LS_MODE_VERBOSE;
1370 mode = LS_MODE_MBOX;
1373 mode = LS_MODE_CHUNKS;
1376 return -E_AFT_SYNTAX;
1379 if (!strcmp(arg, "-p")) {
1380 flags |= LS_FLAG_FULL_PATH;
1383 if (!strcmp(arg, "-a")) {
1384 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1387 if (!strcmp(arg, "-r")) {
1388 flags |= LS_FLAG_REVERSE;
1391 if (!strncmp(arg, "-s", 2)) {
1392 if (!*(arg + 2) || *(arg + 3))
1393 return -E_AFT_SYNTAX;
1394 switch(*(arg + 2)) {
1396 sort = LS_SORT_BY_PATH;
1398 case 's': /* -ss implies -a */
1399 sort = LS_SORT_BY_SCORE;
1400 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1403 sort = LS_SORT_BY_LAST_PLAYED;
1406 sort = LS_SORT_BY_NUM_PLAYED;
1409 sort = LS_SORT_BY_FREQUENCY;
1412 sort = LS_SORT_BY_CHANNELS;
1415 sort = LS_SORT_BY_IMAGE_ID;
1418 sort = LS_SORT_BY_LYRICS_ID;
1421 sort = LS_SORT_BY_BITRATE;
1424 sort = LS_SORT_BY_DURATION;
1427 sort = LS_SORT_BY_AUDIO_FORMAT;
1430 return -E_AFT_SYNTAX;
1433 return -E_AFT_SYNTAX;
1436 opts.sorting = sort;
1438 opts.num_patterns = argc - i;
1439 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1440 argv + i, com_ls_callback, send_result, &fd);
1445 * Call the given function for each file in the audio file table.
1447 * \param private_data An arbitrary data pointer, passed to \a func.
1448 * \param func The custom function to be called.
1450 * \return The return value of the underlying call to osl_rbtree_loop().
1452 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1454 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1458 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1460 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1461 struct osl_row *row;
1463 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1467 /** The format of the data stored by save_audio_file_data(). */
1468 enum com_add_buffer_offsets {
1469 /** afhi (if present) starts here. */
1470 CAB_AFHI_OFFSET_POS = 0,
1471 /** Start of the chunk table (if present). */
1472 CAB_CHUNKS_OFFSET_POS = 2,
1473 /** Audio format id. */
1474 CAB_AUDIO_FORMAT_OFFSET = 4,
1475 /** Flags given to the add command. */
1476 CAB_FLAGS_OFFSET = 5,
1477 /** The hash of the audio file being added. */
1478 CAB_HASH_OFFSET = 9,
1479 /** Start of the path of the audio file. */
1480 CAB_PATH_OFFSET = (CAB_HASH_OFFSET + HASH_SIZE),
1484 * Store the given data to a single buffer. Doesn't need the audio file selector
1485 * info struct as the server knows it as well.
1487 * It's OK to call this with afhi == NULL. In this case, the audio format
1488 * handler info won't be stored in the buffer.
1490 static void save_add_callback_buffer(HASH_TYPE *hash, const char *path,
1491 struct afh_info *afhi, uint32_t flags,
1492 uint8_t audio_format_num, struct osl_object *obj)
1494 size_t path_len = strlen(path) + 1;
1495 size_t afhi_size = sizeof_afhi_buf(afhi);
1496 size_t size = CAB_PATH_OFFSET + path_len + afhi_size
1497 + sizeof_chunk_table(afhi);
1498 char *buf = para_malloc(size);
1501 write_u8(buf + CAB_AUDIO_FORMAT_OFFSET, audio_format_num);
1502 write_u32(buf + CAB_FLAGS_OFFSET, flags);
1504 memcpy(buf + CAB_HASH_OFFSET, hash, HASH_SIZE);
1505 strcpy(buf + CAB_PATH_OFFSET, path);
1507 pos = CAB_PATH_OFFSET + path_len;
1508 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1509 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1510 pos + afhi_size - 1);
1511 write_u16(buf + CAB_AFHI_OFFSET_POS, pos);
1512 save_afhi(afhi, buf + pos);
1515 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1516 write_u16(buf + CAB_CHUNKS_OFFSET_POS, pos);
1518 save_chunk_table(afhi, buf + pos);
1519 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1526 Overview of the add command.
1528 Input: What was passed to the callback by the command handler.
1530 HS: Hash sister. Whether an audio file with identical hash
1531 already exists in the osl database.
1533 PB: Path brother. Whether a file with the given path exists
1536 F: Force flag given. Whether add was called with -f.
1538 output: Action performed by the callback.
1540 AFHI: Whether afhi and chunk table are computed and sent.
1541 ACTION: Table modifications to be done by the callback.
1543 +----+----+---+------+---------------------------------------------------+
1544 | HS | PB | F | AFHI | ACTION
1545 +----+----+---+------+---------------------------------------------------+
1546 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1547 | | update path, keep afsi
1548 +----+----+---+------+---------------------------------------------------+
1549 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1550 | | otherwise: remove PB, HS: update path, keep afhi,
1552 +----+----+---+------+---------------------------------------------------+
1553 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1555 +----+----+---+------+---------------------------------------------------+
1556 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1557 +----+----+---+------+---------------------------------------------------+
1558 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1559 | | (force has no effect)
1560 +----+----+---+------+---------------------------------------------------+
1561 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1562 +----+----+---+------+---------------------------------------------------+
1563 | N | N | Y | Y | (new file) create new entry (force has no effect)
1564 +----+----+---+------+---------------------------------------------------+
1565 | N | N | N | Y | (new file) create new entry
1566 +----+----+---+------+---------------------------------------------------+
1570 afhi <=> force or no HS
1575 /** Flags passed to the add command. */
1576 enum com_add_flags {
1577 /** Skip paths that exist already. */
1579 /** Force adding. */
1581 /** Print what is being done. */
1582 ADD_FLAG_VERBOSE = 4,
1583 /** Try to add files with unknown suffixes. */
1587 static void com_add_callback(int fd, const struct osl_object *query)
1589 char *buf = query->data, *path;
1590 struct osl_row *pb, *aft_row;
1592 struct osl_object objs[NUM_AFT_COLUMNS];
1594 char asc[2 * HASH_SIZE + 1];
1596 char afsi_buf[AFSI_SIZE];
1597 uint32_t flags = read_u32(buf + CAB_FLAGS_OFFSET);
1598 struct afs_info default_afsi = {.last_played = 0};
1599 struct para_buffer msg = {.max_size = SHMMAX,
1600 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1601 uint16_t afhi_offset, chunks_offset;
1603 hash = (HASH_TYPE *)buf + CAB_HASH_OFFSET;
1604 hash_to_asc(hash, asc);;
1605 objs[AFTCOL_HASH].data = buf + CAB_HASH_OFFSET;
1606 objs[AFTCOL_HASH].size = HASH_SIZE;
1608 path = buf + CAB_PATH_OFFSET;
1609 objs[AFTCOL_PATH].data = path;
1610 objs[AFTCOL_PATH].size = strlen(path) + 1;
1612 PARA_INFO_LOG("request to add %s\n", path);
1613 hs = find_hash_sister(hash);
1614 ret = aft_get_row_of_path(path, &pb);
1615 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1617 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1618 if (flags & ADD_FLAG_VERBOSE)
1619 ret = para_printf(&msg, "ignoring duplicate\n");
1624 if (hs && hs != pb) {
1625 struct osl_object obj;
1626 if (pb) { /* hs trumps pb, remove pb */
1627 if (flags & ADD_FLAG_VERBOSE) {
1628 ret = para_printf(&msg, "removing path brother\n");
1632 ret = osl_del_row(audio_file_table, pb);
1637 /* file rename, update hs' path */
1638 if (flags & ADD_FLAG_VERBOSE) {
1639 ret = osl_get_object(audio_file_table, hs,
1643 ret = para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1647 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1648 &objs[AFTCOL_PATH]);
1651 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1652 if (!(flags & ADD_FLAG_FORCE))
1655 /* no hs or force mode, child must have sent afhi */
1656 afhi_offset = read_u16(buf + CAB_AFHI_OFFSET_POS);
1657 chunks_offset = read_u16(buf + CAB_CHUNKS_OFFSET_POS);
1659 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1660 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1662 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1664 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1665 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1666 if (pb && !hs) { /* update pb's hash */
1667 char old_asc[2 * HASH_SIZE + 1];
1668 HASH_TYPE *old_hash;
1669 ret = get_hash_of_row(pb, &old_hash);
1672 hash_to_asc(old_hash, old_asc);
1673 if (flags & ADD_FLAG_VERBOSE) {
1674 ret = para_printf(&msg, "file change: %s -> %s\n",
1679 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1680 &objs[AFTCOL_HASH]);
1684 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1685 struct osl_row *row = pb? pb : hs;
1686 /* update afhi and chunk_table */
1687 if (flags & ADD_FLAG_VERBOSE) {
1688 ret = para_printf(&msg, "updating afhi and chunk table\n");
1692 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1693 &objs[AFTCOL_AFHI]);
1696 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1697 &objs[AFTCOL_CHUNKS]);
1700 afs_event(AFHI_CHANGE, &msg, row);
1703 /* new entry, use default afsi */
1704 if (flags & ADD_FLAG_VERBOSE) {
1705 ret = para_printf(&msg, "new file\n");
1709 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1710 default_afsi.audio_format_id = read_u8(buf + CAB_AUDIO_FORMAT_OFFSET);
1712 objs[AFTCOL_AFSI].data = &afsi_buf;
1713 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1714 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1715 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1716 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1719 ret = para_printf(&msg, "%s\n", para_strerror(-ret));
1721 pass_buffer_as_shm(msg.buf, msg.offset, &fd);
1725 /** Used by com_add(). */
1726 struct private_add_data {
1727 /** The socket file descriptor. */
1729 /** The given add flags. */
1733 static void path_brother_callback(int fd, const struct osl_object *query)
1735 char *path = query->data;
1736 struct osl_row *path_brother;
1737 int ret = aft_get_row_of_path(path, &path_brother);
1740 pass_buffer_as_shm((char *)&path_brother, sizeof(path_brother), &fd);
1743 static void hash_sister_callback(int fd, const struct osl_object *query)
1745 HASH_TYPE *hash = query->data;
1746 struct osl_row *hash_sister;
1748 hash_sister = find_hash_sister(hash);
1751 pass_buffer_as_shm((char *)&hash_sister, sizeof(hash_sister), &fd);
1754 static int get_row_pointer_from_result(struct osl_object *result, void *private)
1756 struct osl_row **row = private;
1757 *row = result->data;
1761 static int add_one_audio_file(const char *path, void *private_data)
1763 int ret, send_ret = 1, fd;
1764 uint8_t format_num = -1;
1765 struct private_add_data *pad = private_data;
1766 struct afh_info afhi, *afhi_ptr = NULL;
1767 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1768 struct osl_object map, obj = {.data = NULL}, query;
1769 HASH_TYPE hash[HASH_SIZE];
1771 ret = guess_audio_format(path);
1772 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1774 query.data = (char *)path;
1775 query.size = strlen(path) + 1;
1776 ret = send_callback_request(path_brother_callback, &query,
1777 get_row_pointer_from_result, &pb);
1778 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1781 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1782 if (pad->flags & ADD_FLAG_VERBOSE)
1783 send_ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1786 /* We still want to add this file. Compute its hash. */
1787 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, &fd);
1790 hash_function(map.data, map.size, hash);
1792 /* Check whether the database contains a file with the same hash. */
1794 query.size = HASH_SIZE;
1795 ret = send_callback_request(hash_sister_callback, &query,
1796 get_row_pointer_from_result, &hs);
1799 /* Return success if we already know this file. */
1801 if (pb && hs && hs == pb && !(pad->flags & ADD_FLAG_FORCE)) {
1802 if (pad->flags & ADD_FLAG_VERBOSE)
1803 send_ret = send_va_buffer(pad->fd,
1804 "%s exists, not forcing update\n", path);
1808 * We won't recalculate the audio format info and the chunk table if
1809 * there is a hash sister and FORCE was not given.
1811 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1812 ret = compute_afhi(path, map.data, map.size, fd, &afhi);
1818 munmap(map.data, map.size);
1820 if (pad->flags & ADD_FLAG_VERBOSE) {
1821 send_ret = send_va_buffer(pad->fd, "adding %s\n", path);
1825 save_add_callback_buffer(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1826 /* Ask afs to consider this entry for adding. */
1827 ret = send_callback_request(com_add_callback, &obj, send_result, &pad->fd);
1832 munmap(map.data, map.size);
1834 if (ret < 0 && send_ret >= 0)
1835 send_ret = send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1836 para_strerror(-ret));
1839 free(afhi_ptr->chunk_table);
1840 free(afhi_ptr->info_string);
1842 /* Stop adding files only on send errors. */
1846 int com_add(int fd, int argc, char * const * const argv)
1849 struct private_add_data pad = {.fd = fd, .flags = 0};
1850 struct stat statbuf;
1852 for (i = 1; i < argc; i++) {
1853 const char *arg = argv[i];
1856 if (!strcmp(arg, "--")) {
1860 if (!strcmp(arg, "-a")) {
1861 pad.flags |= ADD_FLAG_ALL;
1864 if (!strcmp(arg, "-l")) {
1865 pad.flags |= ADD_FLAG_LAZY;
1868 if (!strcmp(arg, "-f")) {
1869 pad.flags |= ADD_FLAG_FORCE;
1872 if (!strcmp(arg, "-v")) {
1873 pad.flags |= ADD_FLAG_VERBOSE;
1878 return -E_AFT_SYNTAX;
1879 for (; i < argc; i++) {
1881 ret = verify_path(argv[i], &path);
1883 ret = send_va_buffer(fd, "%s: %s\n", argv[i],
1884 para_strerror(-ret));
1889 ret = stat(path, &statbuf);
1891 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1898 if (S_ISDIR(statbuf.st_mode))
1899 ret = for_each_file_in_dir(path, add_one_audio_file,
1902 ret = add_one_audio_file(path, &pad);
1904 send_va_buffer(fd, "%s: %s\n", path, para_strerror(-ret));
1915 * Flags used by the touch command.
1920 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1921 TOUCH_FLAG_FNM_PATHNAME = 1,
1922 /** Activates verbose mode. */
1923 TOUCH_FLAG_VERBOSE = 2
1926 /** Options used by com_touch(). */
1927 struct com_touch_options {
1928 /** New num_played value. */
1930 /** New last played count. */
1931 int64_t last_played;
1932 /** New lyrics id. */
1934 /** New image id. */
1936 /** New amplification value. */
1938 /** Command line flags (see \ref touch_flags). */
1942 /** Data passed to the action handler of com_touch(). */
1943 struct touch_action_data {
1944 /** Command line options (see \ref com_touch_options). */
1945 struct com_touch_options *cto;
1946 /** Message buffer. */
1947 struct para_buffer pb;
1948 /** How many audio files matched the given pattern. */
1949 unsigned num_matches;
1952 static int touch_audio_file(__a_unused struct osl_table *table,
1953 struct osl_row *row, const char *name, void *data)
1955 struct touch_action_data *tad = data;
1956 struct osl_object obj;
1957 struct afs_info old_afsi, new_afsi;
1958 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1959 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0 && tad->cto->amp < 0;
1960 struct afsi_change_event_data aced;
1962 ret = get_afsi_object_of_row(row, &obj);
1964 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
1965 ret = load_afsi(&old_afsi, &obj);
1967 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
1968 new_afsi = old_afsi;
1970 new_afsi.num_played++;
1971 new_afsi.last_played = time(NULL);
1972 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
1973 ret = para_printf(&tad->pb, "%s: num_played = %u, "
1974 "last_played = now()\n", name,
1975 new_afsi.num_played);
1980 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
1981 ret = para_printf(&tad->pb, "touching %s\n", name);
1985 if (tad->cto->lyrics_id >= 0)
1986 new_afsi.lyrics_id = tad->cto->lyrics_id;
1987 if (tad->cto->image_id >= 0)
1988 new_afsi.image_id = tad->cto->image_id;
1989 if (tad->cto->num_played >= 0)
1990 new_afsi.num_played = tad->cto->num_played;
1991 if (tad->cto->last_played >= 0)
1992 new_afsi.last_played = tad->cto->last_played;
1993 if (tad->cto->amp >= 0)
1994 new_afsi.amp = tad->cto->amp;
1997 save_afsi(&new_afsi, &obj); /* in-place update */
1999 aced.old_afsi = &old_afsi;
2000 afs_event(AFSI_CHANGE, &tad->pb, &aced);
2004 static void com_touch_callback(int fd, const struct osl_object *query)
2006 struct touch_action_data tad = {.cto = query->data,
2009 .private_data = &fd,
2010 .max_size_handler = pass_buffer_as_shm
2014 struct pattern_match_data pmd = {
2015 .table = audio_file_table,
2016 .loop_col_num = AFTCOL_HASH,
2017 .match_col_num = AFTCOL_PATH,
2018 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
2019 .size = query->size - sizeof(*tad.cto)},
2021 .action = touch_audio_file
2023 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
2024 pmd.fnmatch_flags |= FNM_PATHNAME;
2025 ret = for_each_matching_row(&pmd);
2027 ret2 = para_printf(&tad.pb, "%s\n", para_strerror(-ret));
2029 if (!tad.num_matches)
2030 ret2 = para_printf(&tad.pb, "no matches\n");
2031 if (ret2 >= 0 && tad.pb.offset)
2032 pass_buffer_as_shm(tad.pb.buf, tad.pb.offset, &fd);
2036 int com_touch(int fd, int argc, char * const * const argv)
2038 struct com_touch_options cto = {
2045 struct osl_object query = {.data = &cto, .size = sizeof(cto)};
2049 for (i = 1; i < argc; i++) {
2050 const char *arg = argv[i];
2053 if (!strcmp(arg, "--")) {
2057 if (!strncmp(arg, "-n", 2)) {
2058 ret = para_atoi32(arg + 2, &cto.num_played);
2063 if (!strncmp(arg, "-l", 2)) {
2064 ret = para_atoi64(arg + 2, &cto.last_played);
2069 if (!strncmp(arg, "-y", 2)) {
2070 ret = para_atoi32(arg + 2, &cto.lyrics_id);
2075 if (!strncmp(arg, "-i", 2)) {
2076 ret = para_atoi32(arg + 2, &cto.image_id);
2081 if (!strncmp(arg, "-a", 2)) {
2083 ret = para_atoi32(arg + 2, &val);
2086 if (val < 0 || val > 255)
2087 return -ERRNO_TO_PARA_ERROR(EINVAL);
2091 if (!strcmp(arg, "-p")) {
2092 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
2095 if (!strcmp(arg, "-v")) {
2096 cto.flags |= TOUCH_FLAG_VERBOSE;
2099 break; /* non-option starting with dash */
2102 return -E_AFT_SYNTAX;
2103 ret = send_option_arg_callback_request(&query, argc - i,
2104 argv + i, com_touch_callback, send_result, &fd);
2106 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2110 /** Flags for com_rm(). */
2113 RM_FLAG_VERBOSE = 1,
2117 RM_FLAG_FNM_PATHNAME = 4
2120 /** Data passed to the action handler of com_rm(). */
2121 struct com_rm_action_data {
2122 /** Command line flags ((see \ref rm_flags). */
2124 /** Message buffer. */
2125 struct para_buffer pb;
2126 /** Number of audio files removed. */
2127 unsigned num_removed;
2130 static int remove_audio_file(__a_unused struct osl_table *table,
2131 struct osl_row *row, const char *name, void *data)
2133 struct com_rm_action_data *crd = data;
2136 if (crd->flags & RM_FLAG_VERBOSE) {
2137 ret = para_printf(&crd->pb, "removing %s\n", name);
2141 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2142 ret = osl_del_row(audio_file_table, row);
2144 ret2 = para_printf(&crd->pb, "%s: %s\n", name,
2145 para_strerror(-ret));
2151 static void com_rm_callback(int fd, const struct osl_object *query)
2153 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data,
2156 .private_data = &fd,
2157 .max_size_handler = pass_buffer_as_shm
2161 struct pattern_match_data pmd = {
2162 .table = audio_file_table,
2163 .loop_col_num = AFTCOL_HASH,
2164 .match_col_num = AFTCOL_PATH,
2165 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2166 .size = query->size - sizeof(uint32_t)},
2168 .action = remove_audio_file
2170 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2171 pmd.fnmatch_flags |= FNM_PATHNAME;
2172 ret = for_each_matching_row(&pmd);
2174 ret = para_printf(&crd.pb, "%s\n", para_strerror(-ret));
2177 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2178 ret = para_printf(&crd.pb, "no matches -- nothing removed\n");
2180 if (crd.flags & RM_FLAG_VERBOSE)
2181 ret = para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2183 if (ret >= 0 && crd.pb.offset)
2184 pass_buffer_as_shm(crd.pb.buf, crd.pb.offset, &fd);
2188 /* TODO options: -r (recursive) */
2189 int com_rm(int fd, int argc, char * const * const argv)
2192 struct osl_object query = {.data = &flags, .size = sizeof(flags)};
2195 for (i = 1; i < argc; i++) {
2196 const char *arg = argv[i];
2199 if (!strcmp(arg, "--")) {
2203 if (!strcmp(arg, "-f")) {
2204 flags |= RM_FLAG_FORCE;
2207 if (!strcmp(arg, "-p")) {
2208 flags |= RM_FLAG_FNM_PATHNAME;
2211 if (!strcmp(arg, "-v")) {
2212 flags |= RM_FLAG_VERBOSE;
2218 return -E_AFT_SYNTAX;
2219 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2220 com_rm_callback, send_result, &fd);
2222 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2227 * Flags used by the cpsi command.
2232 /** Whether the lyrics id should be copied. */
2233 CPSI_FLAG_COPY_LYRICS_ID = 1,
2234 /** Whether the image id should be copied. */
2235 CPSI_FLAG_COPY_IMAGE_ID = 2,
2236 /** Whether the lastplayed time should be copied. */
2237 CPSI_FLAG_COPY_LASTPLAYED = 4,
2238 /** Whether the numplayed count should be copied. */
2239 CPSI_FLAG_COPY_NUMPLAYED = 8,
2240 /** Whether the attributes should be copied. */
2241 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2242 /** Activates verbose mode. */
2243 CPSI_FLAG_VERBOSE = 32,
2246 /** Data passed to the action handler of com_cpsi(). */
2247 struct cpsi_action_data {
2248 /** command line flags (see \ref cpsi_flags). */
2250 /** Number of audio files changed. */
2251 unsigned num_copied;
2252 /** Message buffer. */
2253 struct para_buffer pb;
2254 /** Values are copied from here. */
2255 struct afs_info source_afsi;
2258 static int copy_selector_info(__a_unused struct osl_table *table,
2259 struct osl_row *row, const char *name, void *data)
2261 struct cpsi_action_data *cad = data;
2262 struct osl_object target_afsi_obj;
2264 struct afs_info old_afsi, target_afsi;
2265 struct afsi_change_event_data aced;
2267 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2270 load_afsi(&target_afsi, &target_afsi_obj);
2271 old_afsi = target_afsi;
2272 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2273 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2274 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2275 target_afsi.image_id = cad->source_afsi.image_id;
2276 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2277 target_afsi.last_played = cad->source_afsi.last_played;
2278 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2279 target_afsi.num_played = cad->source_afsi.num_played;
2280 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2281 target_afsi.attributes = cad->source_afsi.attributes;
2282 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2284 if (cad->flags & CPSI_FLAG_VERBOSE) {
2285 ret = para_printf(&cad->pb, "copied afsi to %s\n", name);
2290 aced.old_afsi = &old_afsi;
2291 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2295 static void com_cpsi_callback(int fd, const struct osl_object *query)
2297 struct cpsi_action_data cad = {
2298 .flags = *(unsigned *)query->data,
2301 .private_data = &fd,
2302 .max_size_handler = pass_buffer_as_shm
2306 char *source_path = (char *)query->data + sizeof(cad.flags);
2307 struct pattern_match_data pmd = {
2308 .table = audio_file_table,
2309 .loop_col_num = AFTCOL_HASH,
2310 .match_col_num = AFTCOL_PATH,
2311 .patterns = {.data = source_path + strlen(source_path) + 1,
2312 .size = query->size - sizeof(cad.flags)
2313 - strlen(source_path) - 1},
2315 .action = copy_selector_info
2318 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2321 ret = for_each_matching_row(&pmd);
2324 ret = para_printf(&cad.pb, "%s\n", para_strerror(-ret));
2325 else if (cad.flags & CPSI_FLAG_VERBOSE) {
2327 ret = para_printf(&cad.pb, "copied requested afsi from %s "
2329 source_path, cad.num_copied);
2331 ret = para_printf(&cad.pb, "nothing copied\n");
2334 pass_buffer_as_shm(cad.pb.buf, cad.pb.offset, &fd);
2338 int com_cpsi(int fd, int argc, char * const * const argv)
2342 struct osl_object options = {.data = &flags, .size = sizeof(flags)};
2344 for (i = 1; i < argc; i++) {
2345 const char *arg = argv[i];
2348 if (!strcmp(arg, "--")) {
2352 if (!strcmp(arg, "-y")) {
2353 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2356 if (!strcmp(arg, "-i")) {
2357 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2360 if (!strcmp(arg, "-l")) {
2361 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2364 if (!strcmp(arg, "-n")) {
2365 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2368 if (!strcmp(arg, "-a")) {
2369 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2372 if (!strcmp(arg, "-v")) {
2373 flags |= CPSI_FLAG_VERBOSE;
2378 if (i + 1 >= argc) /* need at least souce file and pattern */
2379 return -E_AFT_SYNTAX;
2380 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2381 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2382 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2383 com_cpsi_callback, send_result, &fd);
2385 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2389 /* TODO: optionally fix problems by removing offending rows */
2390 static int check_audio_file(struct osl_row *row, void *data)
2393 struct para_buffer *pb = data;
2394 struct stat statbuf;
2395 int ret = get_audio_file_path_of_row(row, &path);
2396 struct afs_info afsi;
2400 return para_printf(pb, "%s\n", para_strerror(-ret));
2401 if (stat(path, &statbuf) < 0) {
2402 ret = para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2406 if (!S_ISREG(statbuf.st_mode)) {
2407 ret = para_printf(pb, "%s: not a regular file\n", path);
2412 ret = get_afsi_of_row(row, &afsi);
2414 return para_printf(pb, "%s: %s\n", path, para_strerror(-ret));
2415 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2417 ret = para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2418 para_strerror(-ret));
2422 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2424 ret = para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2425 para_strerror(-ret));
2430 * Check the audio file table for inconsistencies.
2432 * \param fd The afs socket.
2433 * \param query Unused.
2435 * This function always succeeds.
2439 void aft_check_callback(int fd, __a_unused const struct osl_object *query)
2441 struct para_buffer pb = {
2443 .private_data = &fd,
2444 .max_size_handler = pass_buffer_as_shm
2446 int ret = para_printf(&pb, "checking audio file table...\n");
2450 audio_file_loop(&pb, check_audio_file);
2452 pass_buffer_as_shm(pb.buf, pb.offset, &fd);
2457 * Close the audio file table.
2459 * \param flags Usual flags that are passed to osl_close_table().
2461 * \sa osl_close_table().
2463 static void aft_close(void)
2465 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2466 audio_file_table = NULL;
2470 * Open the audio file table.
2472 * \param dir The database directory.
2476 * \sa osl_open_table().
2478 static int aft_open(const char *dir)
2482 audio_file_table_desc.dir = dir;
2483 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2486 osl_get_num_rows(audio_file_table, &num);
2487 PARA_INFO_LOG("audio file table contains %d files\n", num);
2490 PARA_INFO_LOG("failed to open audio file table\n");
2491 audio_file_table = NULL;
2492 if (ret >= 0 || is_errno(-ret, ENOENT))
2497 static int aft_create(const char *dir)
2499 audio_file_table_desc.dir = dir;
2500 return osl_create_table(&audio_file_table_desc);
2503 static int clear_attribute(struct osl_row *row, void *data)
2505 struct rmatt_event_data *red = data;
2506 struct afs_info afsi;
2507 struct osl_object obj;
2508 int ret = get_afsi_object_of_row(row, &obj);
2509 uint64_t mask = ~(1ULL << red->bitnum);
2513 ret = load_afsi(&afsi, &obj);
2516 afsi.attributes &= mask;
2517 save_afsi(&afsi, &obj);
2521 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2527 case ATTRIBUTE_REMOVE: {
2528 const struct rmatt_event_data *red = data;
2529 ret = para_printf(pb, "clearing attribute %s (bit %u) from all "
2530 "entries in the audio file table\n", red->name,
2534 return audio_file_loop(data, clear_attribute);
2541 void aft_init(struct afs_table *t)
2543 t->name = audio_file_table_desc.name;
2545 t->close = aft_close;
2546 t->create = aft_create;
2547 t->event_handler = aft_event_handler;