2 * Copyright (C) 2007 Andre Noll <maan@tuebingen.mpg.de>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file aft.c Audio file table functions. */
23 #include "portable_io.h"
27 static struct osl_table *audio_file_table;
28 static char *status_items;
29 static char *parser_friendly_status_items;
31 /** The different sorting methods of the ls command. */
32 enum ls_sorting_method {
38 LS_SORT_BY_LAST_PLAYED,
40 LS_SORT_BY_NUM_PLAYED,
54 LS_SORT_BY_AUDIO_FORMAT,
59 /** The different listing modes of the ls command. */
60 enum ls_listing_mode {
61 /** Default listing mode. */
75 /* Data about one audio file. Needed for ls and stat output. */
77 /* Usual audio format handler information. */
79 /* Audio file selector information. */
81 /* The full path of the audio file. */
83 /* The score value (if -a was given). */
85 /* The hash value of the audio file data. */
89 /** The flags accepted by the ls command. */
92 LS_FLAG_FULL_PATH = 1,
94 LS_FLAG_ADMISSIBLE_ONLY = 2,
102 * The size of the individual output fields of the ls command.
104 * These depend on the content being listed. For example, if each listed file
105 * is shorter than an hour, the duration format is set to mm:ss. Otherwise it
106 * is set to hh:mm:ss.
109 /** size of the score field. */
110 unsigned short score_width;
111 /** size of the image id field. */
112 unsigned short image_id_width;
113 /** size of the lyrics id field. */
114 unsigned short lyrics_id_width;
115 /** size of the bitrate field. */
116 unsigned short bitrate_width;
117 /** size of the frequency field. */
118 unsigned short frequency_width;
119 /** size of the duration field. */
120 unsigned short duration_width;
121 /** size of the num played field. */
122 unsigned short num_played_width;
123 /** size of the amp field. */
124 unsigned short amp_width;
125 /** size of the audio format field. */
126 unsigned short audio_format_width;
129 /** Data passed from the ls command handler to its callback function. */
131 /** The given command line flags. */
133 /** The sorting method given at the command line. */
134 enum ls_sorting_method sorting;
135 /** The given listing mode (short, long, verbose, mbox). */
136 enum ls_listing_mode mode;
137 /** The arguments passed to the ls command. */
139 /** Number of non-option arguments. */
141 /** Used for long listing mode to align the output fields. */
142 struct ls_widths widths;
143 /** Size of the \a data array. */
145 /** Number of used entries in the data array. */
146 uint32_t num_matching_paths;
147 /** Array of matching entries. */
148 struct ls_data *data;
149 /** Used to sort the array. */
150 struct ls_data **data_ptr;
154 * Describes the layout of the mmapped-afs info struct.
156 * \sa struct afs_info.
159 /** Where .last_played is stored. */
160 AFSI_LAST_PLAYED_OFFSET = 0,
161 /** Storage position of the attributes bitmap. */
162 AFSI_ATTRIBUTES_OFFSET = 8,
163 /** Storage position of the .num_played field. */
164 AFSI_NUM_PLAYED_OFFSET = 16,
165 /** Storage position of the .image_id field. */
166 AFSI_IMAGE_ID_OFFSET = 20,
167 /** Storage position of the .lyrics_id field. */
168 AFSI_LYRICS_ID_OFFSET = 24,
169 /** Storage position of the .audio_format_id field. */
170 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
171 /** Storage position of the amplification field. */
172 AFSI_AMP_OFFSET = 29,
173 /** 2 bytes reserved space for future usage. */
174 AFSI_AUDIO_FORMAT_UNUSED_OFFSET = 30,
175 /** On-disk storage space needed. */
180 * Convert a struct afs_info to an osl object.
182 * \param afsi Pointer to the audio file info to be converted.
183 * \param obj Result pointer.
187 static void save_afsi(struct afs_info *afsi, struct osl_object *obj)
189 char *buf = obj->data;
191 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
192 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
193 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
194 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
195 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
196 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
197 afsi->audio_format_id);
198 write_u8(buf + AFSI_AMP_OFFSET, afsi->amp);
199 memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 2);
203 * Get the audio file selector info struct stored in an osl object.
205 * \param afsi Points to the audio_file info structure to be filled in.
206 * \param obj The osl object holding the data.
212 static int load_afsi(struct afs_info *afsi, struct osl_object *obj)
214 char *buf = obj->data;
215 if (obj->size < AFSI_SIZE)
217 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
218 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
219 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
220 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
221 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
222 afsi->audio_format_id = read_u8(buf +
223 AFSI_AUDIO_FORMAT_ID_OFFSET);
224 afsi->amp = read_u8(buf + AFSI_AMP_OFFSET);
228 /** The columns of the audio file table. */
229 enum audio_file_table_columns {
230 /** The hash on the content of the audio file. */
232 /** The full path in the filesystem. */
234 /** The audio file selector info. */
236 /** The audio format handler info. */
238 /** The chunk table info and the chunk table of the audio file. */
240 /** The number of columns of this table. */
244 /* compare function for the hash column */
245 static int aft_hash_compare(const struct osl_object *obj1,
246 const struct osl_object *obj2)
248 return hash_compare((unsigned char *)obj1->data,
249 (unsigned char *)obj2->data);
252 static struct osl_column_description aft_cols[] = {
254 .storage_type = OSL_MAPPED_STORAGE,
255 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
257 .compare_function = aft_hash_compare,
258 .data_size = HASH_SIZE
261 .storage_type = OSL_MAPPED_STORAGE,
262 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
264 .compare_function = string_compare,
267 .storage_type = OSL_MAPPED_STORAGE,
268 .storage_flags = OSL_FIXED_SIZE,
270 .data_size = AFSI_SIZE
273 .storage_type = OSL_MAPPED_STORAGE,
277 .storage_type = OSL_DISK_STORAGE,
282 static struct osl_table_description audio_file_table_desc = {
283 .name = "audio_files",
284 .num_columns = NUM_AFT_COLUMNS,
285 .flags = OSL_LARGE_TABLE,
286 .column_descriptions = aft_cols
290 * Produce a canonicalized absolute pathname.
292 * Returns one if the resolved path a directory, zero if it is a regular file,
293 * negative on errors.
295 static int verify_path(const char *orig_path, char **resolved_path)
301 if (*orig_path != '/') /* we only accept absolute paths */
303 path = realpath(orig_path, NULL);
306 if (stat(path, &statbuf) < 0)
308 if (S_ISREG(statbuf.st_mode))
310 else if (S_ISDIR(statbuf.st_mode))
314 *resolved_path = path;
317 *resolved_path = NULL;
322 /** The on-disk layout of a afhi struct. */
324 /** Where the number of seconds is stored. */
325 AFHI_SECONDS_TOTAL_OFFSET = 0,
326 /** Position of the bitrate. */
327 AFHI_BITRATE_OFFSET = 4,
328 /** Position of the frequency. */
329 AFHI_FREQUENCY_OFFSET = 8,
330 /** Was: Location of the audio file header. */
331 AFHI_UNUSED1_OFFSET = 12,
332 /* Length of the audio file header. Zero means: No header. */
333 AFHI_HEADER_LEN_OFFSET = 16,
334 /** The total number of chunks (4 bytes). */
335 CHUNKS_TOTAL_OFFSET = 20,
336 /** The length of the audio file header (4 bytes). */
337 HEADER_LEN_OFFSET = 24,
338 /** Size of the largest chunk in bytes. (4 bytes). */
339 AFHI_MAX_CHUNK_SIZE_OFFSET = 28,
340 /** The seconds part of the chunk time (4 bytes). */
341 CHUNK_TV_TV_SEC_OFFSET = 32,
342 /** The microseconds part of the chunk time (4 bytes). */
343 CHUNK_TV_TV_USEC_OFFSET = 36,
344 /** Number of channels is stored here. (1 byte) */
345 AFHI_CHANNELS_OFFSET = 40,
346 /** The tag info position. */
347 AFHI_INFO_STRING_OFFSET = 41,
348 /** Minimal on-disk size of a valid afhi struct. */
349 MIN_AFHI_SIZE = 47, /* at least 6 null bytes for techinfo/tags */
352 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
357 + strlen(afhi->techinfo)
358 + strlen(afhi->tags.artist)
359 + strlen(afhi->tags.title)
360 + strlen(afhi->tags.year)
361 + strlen(afhi->tags.album)
362 + strlen(afhi->tags.comment);
365 static void save_afhi(struct afh_info *afhi, char *buf)
371 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET, afhi->seconds_total);
372 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
373 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
374 write_u32(buf + AFHI_UNUSED1_OFFSET, 0);
375 write_u32(buf + AFHI_HEADER_LEN_OFFSET, afhi->header_len);
376 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
377 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
378 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
379 write_u32(buf + AFHI_MAX_CHUNK_SIZE_OFFSET, afhi->max_chunk_size);
380 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
381 write_u32(buf + CHUNK_TV_TV_USEC_OFFSET, afhi->chunk_tv.tv_usec);
382 p = buf + AFHI_INFO_STRING_OFFSET;
383 /* The sprintf's below are OK as our caller made sure that buf is large enough */
384 p += sprintf(p, "%s", afhi->techinfo) + 1;
385 p += sprintf(p, "%s", afhi->tags.artist) + 1;
386 p += sprintf(p, "%s", afhi->tags.title) + 1;
387 p += sprintf(p, "%s", afhi->tags.year) + 1;
388 p += sprintf(p, "%s", afhi->tags.album) + 1;
389 sprintf(p, "%s", afhi->tags.comment);
392 static void load_afhi(const char *buf, struct afh_info *afhi)
394 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
395 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
396 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
397 afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_OFFSET);
398 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
399 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
400 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
401 afhi->max_chunk_size = read_u32(buf + AFHI_MAX_CHUNK_SIZE_OFFSET);
402 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
403 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC_OFFSET);
404 afhi->techinfo = (char *)buf + AFHI_INFO_STRING_OFFSET;
405 afhi->tags.artist = afhi->techinfo + strlen(afhi->techinfo) + 1;
406 afhi->tags.title = afhi->tags.artist + strlen(afhi->tags.artist) + 1;
407 afhi->tags.year = afhi->tags.title + strlen(afhi->tags.title) + 1;
408 afhi->tags.album = afhi->tags.year + strlen(afhi->tags.year) + 1;
409 afhi->tags.comment = afhi->tags.album + strlen(afhi->tags.album) + 1;
412 static unsigned sizeof_chunk_table(struct afh_info *afhi)
416 return 4 * (afhi->chunks_total + 1);
419 static void save_chunk_table(struct afh_info *afhi, char *buf)
423 for (n = 0; n <= afhi->chunks_total; n++)
424 write_u32(buf + 4 * n, afhi->chunk_table[n]);
427 static void load_chunk_table(struct afh_info *afhi, const struct osl_object *ct)
431 afhi->chunk_table = para_malloc(sizeof_chunk_table(afhi));
432 for (i = 0; i <= afhi->chunks_total && i * 4 + 3 < ct->size; i++)
433 afhi->chunk_table[i] = read_u32(ct->data + 4 * i);
437 * Get the row of the audio file table corresponding to the given path.
439 * \param path The full path of the audio file.
440 * \param row Result pointer.
444 int aft_get_row_of_path(const char *path, struct osl_row **row)
446 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
448 return osl(osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row));
452 * Get the row of the audio file table corresponding to the given hash value.
454 * \param hash The hash value of the desired audio file.
455 * \param row Result pointer.
459 static int aft_get_row_of_hash(unsigned char *hash, struct osl_row **row)
461 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
462 return osl(osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row));
466 * Get the audio file selector info object of a row.
468 * \param row Pointer to a row in the audio file table.
469 * \param obj Result pointer.
473 static int get_afsi_object_of_row(const struct osl_row *row,
474 struct osl_object *obj)
476 return osl(osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj));
480 * Get the osl object holding the audio file selector info, given a path.
483 * \param path The full path of the audio file.
484 * \param obj Result pointer.
486 * \return Positive on success, negative on errors.
488 static int get_afsi_object_of_path(const char *path, struct osl_object *obj)
491 int ret = aft_get_row_of_path(path, &row);
494 return get_afsi_object_of_row(row, obj);
498 * Get the audio file selector info, given a row of the audio file table.
500 * \param row Pointer to a row in the audio file table.
501 * \param afsi Result pointer.
503 * \return Positive on success, negative on errors.
505 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
507 struct osl_object obj;
508 int ret = get_afsi_object_of_row(row, &obj);
511 return load_afsi(afsi, &obj);
515 * Get the audio file selector info, given the path of an audio table.
517 * \param path The full path of the audio file.
518 * \param afsi Result pointer.
522 static int get_afsi_of_path(const char *path, struct afs_info *afsi)
524 struct osl_object obj;
525 int ret = get_afsi_object_of_path(path, &obj);
528 return load_afsi(afsi, &obj);
532 * Get the path of an audio file, given a row of the audio file table.
534 * \param row Pointer to a row in the audio file table.
535 * \param path Result pointer.
537 * The result is a pointer to mmapped data. The caller must not attempt
542 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
544 struct osl_object path_obj;
545 int ret = osl(osl_get_object(audio_file_table, row, AFTCOL_PATH,
549 *path = path_obj.data;
554 * Get the object containing the hash value of an audio file, given a row.
556 * \param row Pointer to a row of the audio file table.
557 * \param obj Result pointer.
559 * \return The return value of the underlying call to osl_get_object().
561 * \sa get_hash_of_row().
563 static int get_hash_object_of_aft_row(const struct osl_row *row,
564 struct osl_object *obj)
566 return osl(osl_get_object(audio_file_table, row, AFTCOL_HASH, obj));
570 * Get the hash value of an audio file, given a row of the audio file table.
572 * \param row Pointer to a row of the audio file table.
573 * \param hash Result pointer.
575 * \a hash points to mapped data and must not be freed by the caller.
577 * \return The return value of the underlying call to
578 * get_hash_object_of_aft_row().
580 static int get_hash_of_row(const struct osl_row *row, unsigned char **hash)
582 struct osl_object obj;
583 int ret = get_hash_object_of_aft_row(row, &obj);
592 * Get the audio format handler info, given a row of the audio file table.
594 * \param row Pointer to a row of the audio file table.
595 * \param afhi Result pointer.
597 * \return The return value of the underlying call to osl_get_object().
599 * \sa get_chunk_table_of_row().
601 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
603 struct osl_object obj;
604 int ret = osl(osl_get_object(audio_file_table, row, AFTCOL_AFHI,
608 load_afhi(obj.data, afhi);
612 /* returns shmid on success */
613 static int save_afd(struct audio_file_data *afd)
615 size_t size = sizeof(*afd) + sizeof_chunk_table(&afd->afhi);
616 int shmid, ret = shm_new(size);
623 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
628 save_chunk_table(&afd->afhi, buf);
629 if (afd->afhi.max_chunk_size == 0) { /* v0.5.x on-disk afhi */
630 set_max_chunk_size(&afd->afhi);
631 PARA_NOTICE_LOG("max chunk size unset, re-add required\n");
633 PARA_INFO_LOG("using max chunk size from afhi\n");
634 afd->max_chunk_size = afd->afhi.max_chunk_size;
635 *(struct audio_file_data *)shm_afd = *afd;
644 * Extract a afd stored in a shared memory area.
646 * Attach the shared memory area given by \a shmid, load the audio file data
647 * stored therein and detach the area afterwards. Called by vss, after
648 * receiving a positive response to the request for the next audio file.
650 * \param shmid The identifier of the shared memory area containing the afd.
651 * \param afd Result pointer.
655 int load_afd(int shmid, struct audio_file_data *afd)
659 struct osl_object obj;
661 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
664 ret = shm_size(shmid, &obj.size);
667 *afd = *(struct audio_file_data *)shm_afd;
668 obj.data = shm_afd + sizeof(*afd);
669 obj.size -= sizeof(*afd);
670 load_chunk_table(&afd->afhi, &obj);
677 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
678 time_t current_time, enum ls_listing_mode lm)
682 * Omit year but show time if the given value is closer to the current
683 * time than this many seconds.
685 const time_t m = 6 * 30 * 24 * 3600; /* six months */
687 tm = localtime((time_t *)seconds);
690 if (lm == LS_MODE_MBOX) {
691 if (!strftime(buf, size, "%c", tm))
695 if (*seconds > current_time - m && *seconds < current_time + m) {
696 if (!strftime(buf, size, "%b %e %k:%M", tm))
701 * If the given time is more than six month away from the current time,
702 * we print only the year. The additional space character in the format
703 * string below makes the formated date align nicely with dates that
704 * contain the time (those written by the above strftime() statement).
706 if (!strftime(buf, size, "%b %e %Y", tm))
711 /** Compute the number of (decimal) digits of a number. */
712 #define GET_NUM_DIGITS(x, num) { \
713 typeof((x)) _tmp = PARA_ABS(x); \
716 while ((_tmp) > 9) { \
722 __a_const static short unsigned get_duration_width(int seconds)
724 short unsigned width;
725 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
727 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
728 return 4 + (mins > 9);
729 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
730 GET_NUM_DIGITS(hours, &width);
734 static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
736 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
737 short unsigned max_width;
739 if (!hours) { /* m:ss or mm:ss */
740 max_width = opts->mode == LS_MODE_LONG?
741 opts->widths.duration_width : 4;
742 sprintf(buf, "%*u:%02d", max_width - 3, mins, seconds % 60);
743 } else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
744 max_width = opts->mode == LS_MODE_LONG?
745 opts->widths.duration_width : 7;
746 sprintf(buf, "%*u:%02u:%02d", max_width - 6, hours, mins,
751 static int write_attribute_items(struct para_buffer *b,
752 const char *att_bitmap, struct afs_info *afsi)
757 WRITE_STATUS_ITEM(b, SI_ATTRIBUTES_BITMAP, "%s\n", att_bitmap);
758 ret = get_attribute_text(&afsi->attributes, " ", &att_text);
761 WRITE_STATUS_ITEM(b, SI_ATTRIBUTES_TXT, "%s\n", att_text);
766 static void write_lyrics_items(struct para_buffer *b, struct afs_info *afsi)
770 WRITE_STATUS_ITEM(b, SI_LYRICS_ID, "%u\n", afsi->lyrics_id);
771 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
772 WRITE_STATUS_ITEM(b, SI_LYRICS_NAME, "%s\n", lyrics_name?
773 lyrics_name : "(none)");
776 static void write_image_items(struct para_buffer *b, struct afs_info *afsi)
780 WRITE_STATUS_ITEM(b, SI_IMAGE_ID, "%u\n", afsi->image_id);
781 img_get_name_by_id(afsi->image_id, &image_name);
782 WRITE_STATUS_ITEM(b, SI_IMAGE_NAME, "%s\n", image_name?
783 image_name : "(none)");
786 static void write_filename_items(struct para_buffer *b, const char *path,
791 if (!(flags & LS_FLAG_FULL_PATH)) {
792 WRITE_STATUS_ITEM(b, SI_BASENAME, "%s\n", path);
795 WRITE_STATUS_ITEM(b, SI_PATH, "%s\n", path);
796 val = para_basename(path);
797 WRITE_STATUS_ITEM(b, SI_BASENAME, "%s\n", val? val : "");
798 val = para_dirname(path);
799 WRITE_STATUS_ITEM(b, SI_DIRECTORY, "%s\n", val? val : "");
803 static int print_chunk_table(struct ls_data *d, struct para_buffer *b)
805 struct osl_object chunk_table_obj;
806 struct osl_row *aft_row;
810 ret = aft_get_row_of_hash(d->hash, &aft_row);
813 ret = osl(osl_open_disk_object(audio_file_table, aft_row,
814 AFTCOL_CHUNKS, &chunk_table_obj));
817 para_printf(b, "%s\n"
818 "chunk_time: %lu:%lu\nchunk_offsets: ",
820 (long unsigned) d->afhi.chunk_tv.tv_sec,
821 (long unsigned) d->afhi.chunk_tv.tv_usec
823 buf = chunk_table_obj.data;
826 i <= d->afhi.chunks_total && 4 * i + 3 < chunk_table_obj.size;
829 para_printf(b, "%u ", (unsigned) read_u32(buf + 4 * i));
830 para_printf(b, "\n");
832 osl_close_disk_object(&chunk_table_obj);
836 static void write_score(struct para_buffer *b, struct ls_data *d,
837 struct ls_options *opts)
839 if (!(opts->flags & LS_FLAG_ADMISSIBLE_ONLY)) /* no score*/
841 WRITE_STATUS_ITEM(b, SI_SCORE, "%li\n", d->score);
844 static int print_list_item(struct ls_data *d, struct ls_options *opts,
845 struct para_buffer *b, time_t current_time)
849 char last_played_time[30];
850 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
851 struct afs_info *afsi = &d->afsi;
852 struct afh_info *afhi = &d->afhi;
853 char asc_hash[2 * HASH_SIZE + 1];
855 if (opts->mode == LS_MODE_SHORT) {
856 para_printf(b, "%s\n", d->path);
860 if (opts->mode == LS_MODE_CHUNKS) {
861 ret = print_chunk_table(d, b);
864 get_attribute_bitmap(&afsi->attributes, att_buf);
865 if (opts->flags & LS_FLAG_UNIXDATE)
866 sprintf(last_played_time, "%llu",
867 (long long unsigned)afsi->last_played);
869 ret = get_local_time(&afsi->last_played, last_played_time,
870 sizeof(last_played_time), current_time, opts->mode);
874 get_duration_buf(afhi->seconds_total, duration_buf, opts);
875 if (opts->mode == LS_MODE_LONG) {
876 struct ls_widths *w = &opts->widths;
877 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY) {
878 para_printf(b, "%*li ", opts->widths.score_width,
882 "%s " /* attributes */
884 "%*u " /* image_id */
885 "%*u " /* lyrics_id */
887 "%*s " /* audio format */
888 "%*u " /* frequency */
891 "%*u " /* num_played */
892 "%s " /* last_played */
895 w->amp_width, afsi->amp,
896 w->image_id_width, afsi->image_id,
897 w->lyrics_id_width, afsi->lyrics_id,
898 w->bitrate_width, afhi->bitrate,
899 w->audio_format_width,
900 audio_format_name(afsi->audio_format_id),
901 w->frequency_width, afhi->frequency,
904 w->num_played_width, afsi->num_played,
911 if (opts->mode == LS_MODE_MBOX) {
912 const char *bn = para_basename(d->path);
914 "From foo@localhost %s\n"
915 "Received: from\nTo: bar\nFrom: a\n"
920 write_filename_items(b, d->path, opts->flags);
921 write_score(b, d, opts);
922 ret = write_attribute_items(b, att_buf, afsi);
925 write_image_items(b, afsi);
926 write_lyrics_items(b, afsi);
927 hash_to_asc(d->hash, asc_hash);
928 WRITE_STATUS_ITEM(b, SI_HASH, "%s\n", asc_hash);
929 WRITE_STATUS_ITEM(b, SI_BITRATE, "%dkbit/s\n", afhi->bitrate);
930 WRITE_STATUS_ITEM(b, SI_FORMAT, "%s\n",
931 audio_format_name(afsi->audio_format_id));
932 WRITE_STATUS_ITEM(b, SI_FREQUENCY, "%dHz\n", afhi->frequency);
933 WRITE_STATUS_ITEM(b, SI_CHANNELS, "%d\n", afhi->channels);
934 WRITE_STATUS_ITEM(b, SI_DURATION, "%s\n", duration_buf);
935 WRITE_STATUS_ITEM(b, SI_SECONDS_TOTAL, "%" PRIu32 "\n",
936 afhi->seconds_total);
937 WRITE_STATUS_ITEM(b, SI_LAST_PLAYED, "%s\n", last_played_time);
938 WRITE_STATUS_ITEM(b, SI_NUM_PLAYED, "%u\n", afsi->num_played);
939 WRITE_STATUS_ITEM(b, SI_AMPLIFICATION, "%u\n", afsi->amp);
940 WRITE_STATUS_ITEM(b, SI_CHUNK_TIME, "%lu\n", tv2ms(&afhi->chunk_tv));
941 WRITE_STATUS_ITEM(b, SI_NUM_CHUNKS, "%" PRIu32 "\n",
943 WRITE_STATUS_ITEM(b, SI_MAX_CHUNK_SIZE, "%" PRIu32 "\n",
944 afhi->max_chunk_size);
945 WRITE_STATUS_ITEM(b, SI_TECHINFO, "%s\n", afhi->techinfo);
946 WRITE_STATUS_ITEM(b, SI_ARTIST, "%s\n", afhi->tags.artist);
947 WRITE_STATUS_ITEM(b, SI_TITLE, "%s\n", afhi->tags.title);
948 WRITE_STATUS_ITEM(b, SI_YEAR, "%s\n", afhi->tags.year);
949 WRITE_STATUS_ITEM(b, SI_ALBUM, "%s\n", afhi->tags.album);
950 WRITE_STATUS_ITEM(b, SI_COMMENT, "%s\n", afhi->tags.comment);
951 if (opts->mode == LS_MODE_MBOX) {
952 struct osl_object lyrics_def;
953 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
954 if (lyrics_def.data) {
955 para_printf(b, "Lyrics:\n~~~~~~~\n%s",
956 (char *)lyrics_def.data);
957 osl_close_disk_object(&lyrics_def);
964 static struct ls_data status_item_ls_data;
965 static struct osl_row *current_aft_row;
967 static void make_inode_status_items(struct para_buffer *pb)
969 struct stat statbuf = {.st_size = 0};
970 char *path, mtime_str[30] = "\0";
974 ret = get_audio_file_path_of_row(current_aft_row, &path);
977 ret = stat(path, &statbuf);
980 localtime_r(&statbuf.st_mtime, &mtime_tm);
981 ret = strftime(mtime_str, 29, "%b %d %Y", &mtime_tm);
982 assert(ret > 0); /* number of bytes placed in mtime_str */
984 WRITE_STATUS_ITEM(pb, SI_MTIME, "%s\n", mtime_str);
985 WRITE_STATUS_ITEM(pb, SI_FILE_SIZE, "%ld\n", statbuf.st_size / 1024);
988 static int make_status_items(void)
990 struct ls_options opts = {
991 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
992 .mode = LS_MODE_VERBOSE,
994 struct para_buffer pb = {.max_size = shm_get_shmmax() - 1};
999 ret = print_list_item(&status_item_ls_data, &opts, &pb, current_time);
1002 make_inode_status_items(&pb);
1004 status_items = pb.buf;
1005 memset(&pb, 0, sizeof(pb));
1006 pb.max_size = shm_get_shmmax() - 1;
1007 pb.flags = PBF_SIZE_PREFIX;
1008 ret = print_list_item(&status_item_ls_data, &opts, &pb, current_time);
1011 status_items = NULL;
1014 make_inode_status_items(&pb);
1015 free(parser_friendly_status_items);
1016 parser_friendly_status_items = pb.buf;
1021 * Open the audio file with highest score and set up an afd structure.
1023 * \param afd Result pointer.
1025 * On success, the numplayed field of the audio file selector info is increased
1026 * and the lastplayed time is set to the current time. Finally, the score of
1027 * the audio file is updated.
1029 * \return Positive shmid on success, negative on errors.
1031 int open_and_update_audio_file(struct audio_file_data *afd)
1033 unsigned char file_hash[HASH_SIZE];
1034 struct osl_object afsi_obj;
1035 struct afs_info new_afsi;
1037 struct afsi_change_event_data aced;
1038 struct osl_object map, chunk_table_obj;
1039 struct ls_data *d = &status_item_ls_data;
1041 ret = score_get_best(¤t_aft_row, &d->score);
1044 ret = get_hash_of_row(current_aft_row, &d->hash);
1047 ret = get_audio_file_path_of_row(current_aft_row, &d->path);
1050 PARA_NOTICE_LOG("%s\n", d->path);
1051 ret = get_afsi_object_of_row(current_aft_row, &afsi_obj);
1054 ret = load_afsi(&d->afsi, &afsi_obj);
1057 ret = get_afhi_of_row(current_aft_row, &afd->afhi);
1060 d->afhi = afd->afhi;
1061 d->afhi.chunk_table = afd->afhi.chunk_table = NULL;
1062 ret = osl(osl_open_disk_object(audio_file_table, current_aft_row,
1063 AFTCOL_CHUNKS, &chunk_table_obj));
1066 ret = mmap_full_file(d->path, O_RDONLY, &map.data, &map.size, &afd->fd);
1069 hash_function(map.data, map.size, file_hash);
1070 ret = hash_compare(file_hash, d->hash);
1071 para_munmap(map.data, map.size);
1073 ret = -E_HASH_MISMATCH;
1077 new_afsi.num_played++;
1078 new_afsi.last_played = time(NULL);
1079 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
1081 afd->audio_format_id = d->afsi.audio_format_id;
1082 load_chunk_table(&afd->afhi, &chunk_table_obj);
1083 aced.aft_row = current_aft_row;
1084 aced.old_afsi = &d->afsi;
1086 * No need to update the status items as the AFSI_CHANGE event will
1089 ret = afs_event(AFSI_CHANGE, NULL, &aced);
1092 ret = save_afd(afd);
1094 free(afd->afhi.chunk_table);
1095 osl_close_disk_object(&chunk_table_obj);
1097 PARA_ERROR_LOG("%s: %s\n", d->path, para_strerror(-ret));
1098 ret = score_delete(current_aft_row);
1105 static int ls_audio_format_compare(const void *a, const void *b)
1107 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1108 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1111 static int ls_duration_compare(const void *a, const void *b)
1113 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1114 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1117 static int ls_bitrate_compare(const void *a, const void *b)
1119 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1120 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1123 static int ls_lyrics_id_compare(const void *a, const void *b)
1125 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1126 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1129 static int ls_image_id_compare(const void *a, const void *b)
1131 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1132 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1135 static int ls_channels_compare(const void *a, const void *b)
1137 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1138 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1141 static int ls_frequency_compare(const void *a, const void *b)
1143 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1144 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1147 static int ls_num_played_compare(const void *a, const void *b)
1149 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1150 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1153 static int ls_last_played_compare(const void *a, const void *b)
1155 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1156 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1159 static int ls_score_compare(const void *a, const void *b)
1161 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1162 return NUM_COMPARE(d1->score, d2->score);
1165 static int ls_path_compare(const void *a, const void *b)
1167 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1168 return strcmp(d1->path, d2->path);
1171 static int sort_matching_paths(struct ls_options *options)
1173 size_t nmemb = options->num_matching_paths;
1174 size_t size = sizeof(*options->data_ptr);
1175 int (*compar)(const void *, const void *);
1178 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1179 for (i = 0; i < nmemb; i++)
1180 options->data_ptr[i] = options->data + i;
1182 /* In these cases the array is already sorted */
1183 if (options->sorting == LS_SORT_BY_PATH
1184 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1185 && (options->flags & LS_FLAG_FULL_PATH))
1187 if (options->sorting == LS_SORT_BY_SCORE &&
1188 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1191 switch (options->sorting) {
1192 case LS_SORT_BY_PATH:
1193 compar = ls_path_compare; break;
1194 case LS_SORT_BY_SCORE:
1195 compar = ls_score_compare; break;
1196 case LS_SORT_BY_LAST_PLAYED:
1197 compar = ls_last_played_compare; break;
1198 case LS_SORT_BY_NUM_PLAYED:
1199 compar = ls_num_played_compare; break;
1200 case LS_SORT_BY_FREQUENCY:
1201 compar = ls_frequency_compare; break;
1202 case LS_SORT_BY_CHANNELS:
1203 compar = ls_channels_compare; break;
1204 case LS_SORT_BY_IMAGE_ID:
1205 compar = ls_image_id_compare; break;
1206 case LS_SORT_BY_LYRICS_ID:
1207 compar = ls_lyrics_id_compare; break;
1208 case LS_SORT_BY_BITRATE:
1209 compar = ls_bitrate_compare; break;
1210 case LS_SORT_BY_DURATION:
1211 compar = ls_duration_compare; break;
1212 case LS_SORT_BY_AUDIO_FORMAT:
1213 compar = ls_audio_format_compare; break;
1217 qsort(options->data_ptr, nmemb, size, compar);
1221 /* row is either an aft_row or a row of the score table */
1222 /* TODO: Only compute widths if we need them */
1223 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1226 struct ls_options *options = ls_opts;
1228 struct ls_widths *w;
1229 unsigned short num_digits;
1231 struct osl_row *aft_row;
1235 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1236 ret = get_score_and_aft_row(row, &score, &aft_row);
1243 ret = get_audio_file_path_of_row(aft_row, &path);
1246 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1247 char *p = strrchr(path, '/');
1251 if (options->num_patterns) {
1252 for (i = 0; i < options->num_patterns; i++) {
1253 ret = fnmatch(options->patterns[i], path, 0);
1256 if (ret == FNM_NOMATCH)
1260 if (i >= options->num_patterns) /* no match */
1263 tmp = options->num_matching_paths++;
1264 if (options->num_matching_paths > options->array_size) {
1265 options->array_size++;
1266 options->array_size *= 2;
1267 options->data = para_realloc(options->data, options->array_size
1268 * sizeof(*options->data));
1270 d = options->data + tmp;
1271 ret = get_afsi_of_row(aft_row, &d->afsi);
1274 ret = get_afhi_of_row(aft_row, &d->afhi);
1278 ret = get_hash_of_row(aft_row, &d->hash);
1281 w = &options->widths;
1282 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1283 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1284 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1285 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1286 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1287 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1288 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1289 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1290 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1291 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1292 /* get the number of chars to print this amount of time */
1293 num_digits = get_duration_width(d->afhi.seconds_total);
1294 w->duration_width = PARA_MAX(w->duration_width, num_digits);
1295 GET_NUM_DIGITS(d->afsi.amp, &num_digits);
1296 w->amp_width = PARA_MAX(w->amp_width, num_digits);
1297 num_digits = strlen(audio_format_name(d->afsi.audio_format_id));
1298 w->audio_format_width = PARA_MAX(w->audio_format_width, num_digits);
1299 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1300 GET_NUM_DIGITS(score, &num_digits);
1301 num_digits++; /* add one for the sign (space or "-") */
1302 w->score_width = PARA_MAX(w->score_width, num_digits);
1310 static int com_ls_callback(struct afs_callback_arg *aca)
1312 struct ls_options *opts = aca->query.data;
1313 char *p, *pattern_start = (char *)aca->query.data + sizeof(*opts);
1315 time_t current_time;
1317 aca->pbout.flags = (opts->mode == LS_MODE_PARSER)? PBF_SIZE_PREFIX : 0;
1318 if (opts->num_patterns) {
1319 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1320 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1321 opts->patterns[i] = p;
1325 opts->patterns = NULL;
1326 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1327 ret = admissible_file_loop(opts, prepare_ls_row);
1329 ret = osl(osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1333 if (opts->num_matching_paths == 0) {
1334 ret = opts->num_patterns > 0? -E_NO_MATCH : 0;
1337 ret = sort_matching_paths(opts);
1340 time(¤t_time);
1341 if (opts->flags & LS_FLAG_REVERSE)
1342 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1343 ret = print_list_item(opts->data_ptr[i], opts,
1344 &aca->pbout, current_time);
1349 for (i = 0; i < opts->num_matching_paths; i++) {
1350 ret = print_list_item(opts->data_ptr[i], opts,
1351 &aca->pbout, current_time);
1357 free(opts->data_ptr);
1358 free(opts->patterns);
1363 * TODO: flags -h (sort by hash)
1365 int com_ls(struct command_context *cc)
1369 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1370 enum ls_listing_mode mode = LS_MODE_SHORT;
1371 struct ls_options opts = {.patterns = NULL};
1372 struct osl_object query = {.data = &opts, .size = sizeof(opts)};
1374 for (i = 1; i < cc->argc; i++) {
1375 const char *arg = cc->argv[i];
1378 if (!strcmp(arg, "--")) {
1383 * Compatibility: Prior to 0.5.5 it was necessary to specify
1384 * the listing mode without the '=' character as in -lv, for
1385 * example. Now the variant with '=' is preferred and
1386 * documented but we still accept the old way to specify the
1389 * Support for the legacy syntax can be dropped at 0.6.0
1392 if (!strncmp(arg, "-l", 2)) {
1398 mode = LS_MODE_SHORT;
1402 mode = LS_MODE_LONG;
1405 mode = LS_MODE_VERBOSE;
1408 mode = LS_MODE_MBOX;
1411 mode = LS_MODE_CHUNKS;
1414 mode = LS_MODE_PARSER;
1417 return -E_AFT_SYNTAX;
1420 if (!strcmp(arg, "-p") || !strcmp(arg, "-F")) {
1421 flags |= LS_FLAG_FULL_PATH;
1424 if (!strcmp(arg, "-b")) {
1425 flags &= ~LS_FLAG_FULL_PATH;
1428 if (!strcmp(arg, "-a")) {
1429 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1432 if (!strcmp(arg, "-r")) {
1433 flags |= LS_FLAG_REVERSE;
1436 if (!strcmp(arg, "-d")) {
1437 flags |= LS_FLAG_UNIXDATE;
1440 /* The compatibility remark above applies also to -s. */
1441 if (!strncmp(arg, "-s", 2)) {
1447 sort = LS_SORT_BY_PATH;
1449 case 's': /* -ss implies -a */
1450 sort = LS_SORT_BY_SCORE;
1451 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1454 sort = LS_SORT_BY_LAST_PLAYED;
1457 sort = LS_SORT_BY_NUM_PLAYED;
1460 sort = LS_SORT_BY_FREQUENCY;
1463 sort = LS_SORT_BY_CHANNELS;
1466 sort = LS_SORT_BY_IMAGE_ID;
1469 sort = LS_SORT_BY_LYRICS_ID;
1472 sort = LS_SORT_BY_BITRATE;
1475 sort = LS_SORT_BY_DURATION;
1478 sort = LS_SORT_BY_AUDIO_FORMAT;
1481 return -E_AFT_SYNTAX;
1484 return -E_AFT_SYNTAX;
1487 opts.sorting = sort;
1489 opts.num_patterns = cc->argc - i;
1490 return send_option_arg_callback_request(&query, opts.num_patterns,
1491 cc->argv + i, com_ls_callback, afs_cb_result_handler, cc);
1495 * Call the given function for each file in the audio file table.
1497 * \param private_data An arbitrary data pointer, passed to \a func.
1498 * \param func The custom function to be called.
1502 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1504 return osl(osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1508 static int find_hash_sister(unsigned char *hash, struct osl_row **result)
1510 int ret = aft_get_row_of_hash(hash, result);
1512 if (ret == -OSL_ERRNO_TO_PARA_ERROR(E_OSL_RB_KEY_NOT_FOUND))
1517 static int find_path_brother(const char *path, struct osl_row **result)
1519 int ret = aft_get_row_of_path(path, result);
1521 if (ret == -OSL_ERRNO_TO_PARA_ERROR(E_OSL_RB_KEY_NOT_FOUND))
1526 /** The format of the data stored by save_audio_file_data(). */
1527 enum com_add_buffer_offsets {
1528 /* afhi (if present) starts at this offset. */
1529 CAB_AFHI_OFFSET_POS = 0,
1530 /** Start of the chunk table (if present). */
1531 CAB_CHUNKS_OFFSET_POS = 4,
1532 /** Flags given to the add command. */
1533 CAB_FLAGS_OFFSET = 8,
1534 /** Audio format id. */
1535 CAB_AUDIO_FORMAT_ID_OFFSET = 12,
1536 /** The hash of the audio file being added. */
1537 CAB_HASH_OFFSET = 13,
1538 /** Start of the path of the audio file. */
1539 CAB_PATH_OFFSET = (CAB_HASH_OFFSET + HASH_SIZE),
1543 * Store the given data to a single buffer. Doesn't need the audio file selector
1544 * info struct as the server knows it as well.
1546 * It's OK to call this with afhi == NULL. In this case, the audio format
1547 * handler info won't be stored in the buffer.
1549 static void save_add_callback_buffer(unsigned char *hash, const char *path,
1550 struct afh_info *afhi, uint32_t flags,
1551 uint8_t audio_format_num, struct osl_object *obj)
1553 size_t path_len = strlen(path) + 1;
1554 size_t afhi_size = sizeof_afhi_buf(afhi);
1555 size_t size = CAB_PATH_OFFSET + path_len + afhi_size
1556 + sizeof_chunk_table(afhi);
1557 char *buf = para_malloc(size);
1560 pos = CAB_PATH_OFFSET + path_len;
1561 write_u32(buf + CAB_AFHI_OFFSET_POS, pos);
1562 save_afhi(afhi, buf + pos);
1565 write_u32(buf + CAB_CHUNKS_OFFSET_POS, pos);
1567 save_chunk_table(afhi, buf + pos);
1569 write_u32(buf + CAB_FLAGS_OFFSET, flags);
1570 write_u8(buf + CAB_AUDIO_FORMAT_ID_OFFSET, audio_format_num);
1572 memcpy(buf + CAB_HASH_OFFSET, hash, HASH_SIZE);
1573 strcpy(buf + CAB_PATH_OFFSET, path);
1581 Overview of the add command.
1583 Input: What was passed to the callback by the command handler.
1585 HS: Hash sister. Whether an audio file with identical hash
1586 already exists in the osl database.
1588 PB: Path brother. Whether a file with the given path exists
1591 F: Force flag given. Whether add was called with -f.
1593 output: Action performed by the callback.
1595 AFHI: Whether afhi and chunk table are computed and sent.
1596 ACTION: Table modifications to be done by the callback.
1598 +----+----+---+------+---------------------------------------------------+
1599 | HS | PB | F | AFHI | ACTION
1600 +----+----+---+------+---------------------------------------------------+
1601 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1602 | | update path, keep afsi
1603 +----+----+---+------+---------------------------------------------------+
1604 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1605 | | otherwise: remove PB, HS: update path, keep afhi,
1607 +----+----+---+------+---------------------------------------------------+
1608 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1610 +----+----+---+------+---------------------------------------------------+
1611 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1612 +----+----+---+------+---------------------------------------------------+
1613 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1614 | | (force has no effect)
1615 +----+----+---+------+---------------------------------------------------+
1616 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1617 +----+----+---+------+---------------------------------------------------+
1618 | N | N | Y | Y | (new file) create new entry (force has no effect)
1619 +----+----+---+------+---------------------------------------------------+
1620 | N | N | N | Y | (new file) create new entry
1621 +----+----+---+------+---------------------------------------------------+
1625 afhi <=> force or no HS
1630 /** Flags passed to the add command. */
1631 enum com_add_flags {
1632 /** Skip paths that exist already. */
1634 /** Force adding. */
1636 /** Print what is being done. */
1637 ADD_FLAG_VERBOSE = 4,
1638 /** Try to add files with unknown suffixes. */
1642 static int com_add_callback(struct afs_callback_arg *aca)
1644 char *buf = aca->query.data, *path;
1645 struct osl_row *pb, *aft_row;
1647 struct osl_object objs[NUM_AFT_COLUMNS];
1648 unsigned char *hash;
1649 char asc[2 * HASH_SIZE + 1];
1651 char afsi_buf[AFSI_SIZE];
1652 uint32_t flags = read_u32(buf + CAB_FLAGS_OFFSET);
1653 struct afs_info default_afsi = {.last_played = 0};
1654 uint16_t afhi_offset, chunks_offset;
1656 hash = (unsigned char *)buf + CAB_HASH_OFFSET;
1657 hash_to_asc(hash, asc);
1658 objs[AFTCOL_HASH].data = buf + CAB_HASH_OFFSET;
1659 objs[AFTCOL_HASH].size = HASH_SIZE;
1661 path = buf + CAB_PATH_OFFSET;
1662 objs[AFTCOL_PATH].data = path;
1663 objs[AFTCOL_PATH].size = strlen(path) + 1;
1665 PARA_INFO_LOG("request to add %s\n", path);
1666 ret = find_hash_sister(hash, &hs);
1669 ret = find_path_brother(path, &pb);
1672 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1673 if (flags & ADD_FLAG_VERBOSE)
1674 para_printf(&aca->pbout, "ignoring duplicate\n");
1678 if (hs && hs != pb) {
1679 struct osl_object obj;
1680 if (pb) { /* hs trumps pb, remove pb */
1681 if (flags & ADD_FLAG_VERBOSE)
1682 para_printf(&aca->pbout, "removing %s\n", path);
1683 ret = afs_event(AUDIO_FILE_REMOVE, &aca->pbout, pb);
1686 ret = osl(osl_del_row(audio_file_table, pb));
1691 /* file rename, update hs' path */
1692 if (flags & ADD_FLAG_VERBOSE) {
1693 ret = osl(osl_get_object(audio_file_table, hs,
1694 AFTCOL_PATH, &obj));
1697 para_printf(&aca->pbout, "renamed from %s\n",
1700 ret = osl(osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1701 &objs[AFTCOL_PATH]));
1704 ret = afs_event(AUDIO_FILE_RENAME, &aca->pbout, hs);
1707 if (!(flags & ADD_FLAG_FORCE))
1710 /* no hs or force mode, child must have sent afhi */
1711 afhi_offset = read_u32(buf + CAB_AFHI_OFFSET_POS);
1712 chunks_offset = read_u32(buf + CAB_CHUNKS_OFFSET_POS);
1714 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1715 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1717 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1719 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1720 objs[AFTCOL_CHUNKS].size = aca->query.size - chunks_offset;
1721 if (pb && !hs) { /* update pb's hash */
1722 char old_asc[2 * HASH_SIZE + 1];
1723 unsigned char *old_hash;
1724 ret = get_hash_of_row(pb, &old_hash);
1727 hash_to_asc(old_hash, old_asc);
1728 if (flags & ADD_FLAG_VERBOSE)
1729 para_printf(&aca->pbout, "file change: %s -> %s\n",
1731 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1732 &objs[AFTCOL_HASH]);
1736 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1737 struct osl_row *row = pb? pb : hs;
1738 /* update afhi and chunk_table */
1739 if (flags & ADD_FLAG_VERBOSE)
1740 para_printf(&aca->pbout,
1741 "updating afhi and chunk table\n");
1742 ret = osl(osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1743 &objs[AFTCOL_AFHI]));
1746 ret = osl(osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1747 &objs[AFTCOL_CHUNKS]));
1750 ret = afs_event(AFHI_CHANGE, &aca->pbout, row);
1755 /* new entry, use default afsi */
1756 if (flags & ADD_FLAG_VERBOSE)
1757 para_printf(&aca->pbout, "new file\n");
1758 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1759 default_afsi.audio_format_id = read_u8(buf + CAB_AUDIO_FORMAT_ID_OFFSET);
1761 objs[AFTCOL_AFSI].data = &afsi_buf;
1762 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1763 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1764 ret = osl(osl_add_and_get_row(audio_file_table, objs, &aft_row));
1767 ret = afs_event(AUDIO_FILE_ADD, &aca->pbout, aft_row);
1770 para_printf(&aca->pbout, "could not add %s\n", path);
1774 /** Used by com_add(). */
1775 struct private_add_data {
1776 /** The pointer passed to the original command handler. */
1777 struct command_context *cc;
1778 /** The given add flags. */
1782 static int path_brother_callback(struct afs_callback_arg *aca)
1784 char *path = aca->query.data;
1785 struct osl_row *path_brother;
1786 int ret = find_path_brother(path, &path_brother);
1789 return pass_buffer_as_shm(aca->fd, SBD_OUTPUT, (char *)&path_brother,
1790 sizeof(path_brother));
1793 static int hash_sister_callback(struct afs_callback_arg *aca)
1795 unsigned char *hash = aca->query.data;
1796 struct osl_row *hash_sister;
1797 int ret = find_hash_sister(hash, &hash_sister);
1801 return pass_buffer_as_shm(aca->fd, SBD_OUTPUT, (char *)&hash_sister,
1802 sizeof(hash_sister));
1805 static int get_row_pointer_from_result(struct osl_object *result,
1806 __a_unused uint8_t band, void *private)
1808 struct osl_row **row = private;
1810 if (band == SBD_OUTPUT)
1811 *row = *(struct osl_row **)(result->data);
1815 static int add_one_audio_file(const char *path, void *private_data)
1817 int ret, send_ret = 1, fd;
1818 uint8_t format_num = -1;
1819 struct private_add_data *pad = private_data;
1820 struct afh_info afhi, *afhi_ptr = NULL;
1821 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1822 struct osl_object map, obj = {.data = NULL}, query;
1823 unsigned char hash[HASH_SIZE];
1825 ret = guess_audio_format(path);
1826 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL)) {
1830 query.data = (char *)path;
1831 query.size = strlen(path) + 1;
1832 ret = send_callback_request(path_brother_callback, &query,
1833 get_row_pointer_from_result, &pb);
1834 if (ret < 0 && ret != -OSL_ERRNO_TO_PARA_ERROR(E_OSL_RB_KEY_NOT_FOUND))
1837 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1838 if (pad->flags & ADD_FLAG_VERBOSE)
1839 send_ret = send_sb_va(&pad->cc->scc, SBD_OUTPUT,
1840 "lazy-ignore: %s\n", path);
1843 /* We still want to add this file. Compute its hash. */
1844 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, &fd);
1847 hash_function(map.data, map.size, hash);
1849 /* Check whether the database contains a file with the same hash. */
1851 query.size = HASH_SIZE;
1852 ret = send_callback_request(hash_sister_callback, &query,
1853 get_row_pointer_from_result, &hs);
1856 /* Return success if we already know this file. */
1858 if (pb && hs && hs == pb && !(pad->flags & ADD_FLAG_FORCE)) {
1859 if (pad->flags & ADD_FLAG_VERBOSE)
1860 send_ret = send_sb_va(&pad->cc->scc, SBD_OUTPUT,
1861 "%s exists, not forcing update\n", path);
1865 * We won't recalculate the audio format info and the chunk table if
1866 * there is a hash sister and FORCE was not given.
1868 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1869 ret = compute_afhi(path, map.data, map.size, fd, &afhi);
1875 munmap(map.data, map.size);
1877 if (pad->flags & ADD_FLAG_VERBOSE) {
1878 send_ret = send_sb_va(&pad->cc->scc, SBD_OUTPUT,
1879 "adding %s\n", path);
1883 save_add_callback_buffer(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1884 /* Ask afs to consider this entry for adding. */
1885 ret = send_callback_request(com_add_callback, &obj,
1886 afs_cb_result_handler, pad->cc);
1891 munmap(map.data, map.size);
1893 if (ret < 0 && send_ret >= 0)
1894 send_ret = send_sb_va(&pad->cc->scc, SBD_ERROR_LOG,
1895 "failed to add %s (%s)\n", path, para_strerror(-ret));
1897 clear_afhi(afhi_ptr);
1898 /* Stop adding files only on send errors. */
1902 int com_add(struct command_context *cc)
1905 struct private_add_data pad = {.cc = cc, .flags = 0};
1907 for (i = 1; i < cc->argc; i++) {
1908 const char *arg = cc->argv[i];
1911 if (!strcmp(arg, "--")) {
1915 if (!strcmp(arg, "-a")) {
1916 pad.flags |= ADD_FLAG_ALL;
1919 if (!strcmp(arg, "-l")) {
1920 pad.flags |= ADD_FLAG_LAZY;
1923 if (!strcmp(arg, "-f")) {
1924 pad.flags |= ADD_FLAG_FORCE;
1927 if (!strcmp(arg, "-v")) {
1928 pad.flags |= ADD_FLAG_VERBOSE;
1933 return -E_AFT_SYNTAX;
1934 for (; i < cc->argc; i++) {
1936 ret = verify_path(cc->argv[i], &path);
1938 ret = send_sb_va(&cc->scc, SBD_ERROR_LOG, "%s: %s\n",
1939 cc->argv[i], para_strerror(-ret));
1944 if (ret == 1) /* directory */
1945 ret = for_each_file_in_dir(path, add_one_audio_file,
1947 else /* regular file */
1948 ret = add_one_audio_file(path, &pad);
1950 send_sb_va(&cc->scc, SBD_OUTPUT, "%s: %s\n", path,
1951 para_strerror(-ret));
1961 * Flags used by the touch command.
1966 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1967 TOUCH_FLAG_FNM_PATHNAME = 1,
1968 /** Activates verbose mode. */
1969 TOUCH_FLAG_VERBOSE = 2
1972 /** Options used by com_touch(). */
1973 struct com_touch_options {
1974 /** New num_played value. */
1976 /** New last played count. */
1977 int64_t last_played;
1978 /** New lyrics id. */
1980 /** New image id. */
1982 /** New amplification value. */
1984 /** Command line flags (see \ref touch_flags). */
1988 static int touch_audio_file(__a_unused struct osl_table *table,
1989 struct osl_row *row, const char *name, void *data)
1991 struct afs_callback_arg *aca = data;
1992 struct com_touch_options *cto = aca->query.data;
1993 struct osl_object obj;
1994 struct afs_info old_afsi, new_afsi;
1995 int ret, no_options = cto->num_played < 0 && cto->last_played < 0 &&
1996 cto->lyrics_id < 0 && cto->image_id < 0 && cto->amp < 0;
1997 struct afsi_change_event_data aced;
1999 ret = get_afsi_object_of_row(row, &obj);
2001 para_printf(&aca->pbout, "cannot touch %s\n", name);
2004 ret = load_afsi(&old_afsi, &obj);
2006 para_printf(&aca->pbout, "cannot touch %s\n", name);
2009 new_afsi = old_afsi;
2011 new_afsi.num_played++;
2012 new_afsi.last_played = time(NULL);
2013 if (cto->flags & TOUCH_FLAG_VERBOSE)
2014 para_printf(&aca->pbout, "%s: num_played = %u, "
2015 "last_played = now()\n", name,
2016 new_afsi.num_played);
2018 if (cto->flags & TOUCH_FLAG_VERBOSE)
2019 para_printf(&aca->pbout, "touching %s\n", name);
2020 if (cto->lyrics_id >= 0)
2021 new_afsi.lyrics_id = cto->lyrics_id;
2022 if (cto->image_id >= 0)
2023 new_afsi.image_id = cto->image_id;
2024 if (cto->num_played >= 0)
2025 new_afsi.num_played = cto->num_played;
2026 if (cto->last_played >= 0)
2027 new_afsi.last_played = cto->last_played;
2029 new_afsi.amp = cto->amp;
2031 save_afsi(&new_afsi, &obj); /* in-place update */
2033 aced.old_afsi = &old_afsi;
2034 return afs_event(AFSI_CHANGE, &aca->pbout, &aced);
2037 static int com_touch_callback(struct afs_callback_arg *aca)
2040 struct com_touch_options *cto = aca->query.data;
2041 struct pattern_match_data pmd = {
2042 .table = audio_file_table,
2043 .loop_col_num = AFTCOL_HASH,
2044 .match_col_num = AFTCOL_PATH,
2046 .data = (char *)aca->query.data
2047 + sizeof(struct com_touch_options),
2048 .size = aca->query.size
2049 - sizeof(struct com_touch_options)
2052 .action = touch_audio_file
2054 if (cto->image_id >= 0) {
2055 ret = img_get_name_by_id(cto->image_id, NULL);
2057 para_printf(&aca->pbout, "invalid image ID: %d\n",
2062 if (cto->lyrics_id >= 0) {
2063 ret = lyr_get_name_by_id(cto->lyrics_id, NULL);
2065 para_printf(&aca->pbout, "invalid lyrics ID: %d\n",
2070 if (cto->flags & TOUCH_FLAG_FNM_PATHNAME)
2071 pmd.fnmatch_flags |= FNM_PATHNAME;
2072 ret = for_each_matching_row(&pmd);
2073 if (ret >= 0 && pmd.num_matches == 0)
2078 int com_touch(struct command_context *cc)
2080 struct com_touch_options cto = {
2087 struct osl_object query = {.data = &cto, .size = sizeof(cto)};
2091 for (i = 1; i < cc->argc; i++) {
2092 const char *arg = cc->argv[i];
2095 if (!strcmp(arg, "--")) {
2099 if (!strncmp(arg, "-n=", 3)) {
2100 ret = para_atoi32(arg + 3, &cto.num_played);
2105 if (!strncmp(arg, "-l=", 3)) {
2106 ret = para_atoi64(arg + 3, &cto.last_played);
2111 if (!strncmp(arg, "-y=", 3)) {
2112 ret = para_atoi32(arg + 3, &cto.lyrics_id);
2117 if (!strncmp(arg, "-i=", 3)) {
2118 ret = para_atoi32(arg + 3, &cto.image_id);
2123 if (!strncmp(arg, "-a=", 3)) {
2125 ret = para_atoi32(arg + 3, &val);
2128 if (val < 0 || val > 255)
2129 return -ERRNO_TO_PARA_ERROR(EINVAL);
2133 if (!strcmp(arg, "-p")) {
2134 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
2137 if (!strcmp(arg, "-v")) {
2138 cto.flags |= TOUCH_FLAG_VERBOSE;
2141 break; /* non-option starting with dash */
2144 return -E_AFT_SYNTAX;
2145 return send_option_arg_callback_request(&query, cc->argc - i,
2146 cc->argv + i, com_touch_callback, afs_cb_result_handler, cc);
2149 /** Flags for com_rm(). */
2152 RM_FLAG_VERBOSE = 1,
2156 RM_FLAG_FNM_PATHNAME = 4
2159 static int remove_audio_file(__a_unused struct osl_table *table,
2160 struct osl_row *row, const char *name, void *data)
2162 struct afs_callback_arg *aca = data;
2163 uint32_t flags =*(uint32_t *)aca->query.data;
2166 if (flags & RM_FLAG_VERBOSE)
2167 para_printf(&aca->pbout, "removing %s\n", name);
2168 ret = afs_event(AUDIO_FILE_REMOVE, &aca->pbout, row);
2171 ret = osl(osl_del_row(audio_file_table, row));
2173 para_printf(&aca->pbout, "cannot remove %s\n", name);
2177 static int com_rm_callback(struct afs_callback_arg *aca)
2180 uint32_t flags = *(uint32_t *)aca->query.data;
2181 struct pattern_match_data pmd = {
2182 .table = audio_file_table,
2183 .loop_col_num = AFTCOL_HASH,
2184 .match_col_num = AFTCOL_PATH,
2185 .patterns = {.data = (char *)aca->query.data + sizeof(uint32_t),
2186 .size = aca->query.size - sizeof(uint32_t)},
2188 .action = remove_audio_file
2190 if (flags & RM_FLAG_FNM_PATHNAME)
2191 pmd.fnmatch_flags |= FNM_PATHNAME;
2192 ret = for_each_matching_row(&pmd);
2195 if (pmd.num_matches == 0) {
2196 if (!(flags & RM_FLAG_FORCE))
2198 } else if (flags & RM_FLAG_VERBOSE)
2199 para_printf(&aca->pbout, "removed %u file(s)\n",
2205 /* TODO options: -r (recursive) */
2206 int com_rm(struct command_context *cc)
2209 struct osl_object query = {.data = &flags, .size = sizeof(flags)};
2212 for (i = 1; i < cc->argc; i++) {
2213 const char *arg = cc->argv[i];
2216 if (!strcmp(arg, "--")) {
2220 if (!strcmp(arg, "-f")) {
2221 flags |= RM_FLAG_FORCE;
2224 if (!strcmp(arg, "-p")) {
2225 flags |= RM_FLAG_FNM_PATHNAME;
2228 if (!strcmp(arg, "-v")) {
2229 flags |= RM_FLAG_VERBOSE;
2235 return -E_AFT_SYNTAX;
2236 return send_option_arg_callback_request(&query, cc->argc - i,
2237 cc->argv + i, com_rm_callback, afs_cb_result_handler, cc);
2241 * Flags used by the cpsi command.
2246 /** Whether the lyrics id should be copied. */
2247 CPSI_FLAG_COPY_LYRICS_ID = 1,
2248 /** Whether the image id should be copied. */
2249 CPSI_FLAG_COPY_IMAGE_ID = 2,
2250 /** Whether the lastplayed time should be copied. */
2251 CPSI_FLAG_COPY_LASTPLAYED = 4,
2252 /** Whether the numplayed count should be copied. */
2253 CPSI_FLAG_COPY_NUMPLAYED = 8,
2254 /** Whether the attributes should be copied. */
2255 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2256 /** Activates verbose mode. */
2257 CPSI_FLAG_VERBOSE = 32,
2260 /** Data passed to the action handler of com_cpsi(). */
2261 struct cpsi_action_data {
2262 /** command line flags (see \ref cpsi_flags). */
2264 /** Values are copied from here. */
2265 struct afs_info source_afsi;
2266 /** What was passed to com_cpsi_callback(). */
2267 struct afs_callback_arg *aca;
2270 static int copy_selector_info(__a_unused struct osl_table *table,
2271 struct osl_row *row, const char *name, void *data)
2273 struct cpsi_action_data *cad = data;
2274 struct osl_object target_afsi_obj;
2276 struct afs_info old_afsi, target_afsi;
2277 struct afsi_change_event_data aced;
2279 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2282 load_afsi(&target_afsi, &target_afsi_obj);
2283 old_afsi = target_afsi;
2284 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2285 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2286 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2287 target_afsi.image_id = cad->source_afsi.image_id;
2288 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2289 target_afsi.last_played = cad->source_afsi.last_played;
2290 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2291 target_afsi.num_played = cad->source_afsi.num_played;
2292 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2293 target_afsi.attributes = cad->source_afsi.attributes;
2294 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2295 if (cad->flags & CPSI_FLAG_VERBOSE)
2296 para_printf(&cad->aca->pbout, "copied afsi to %s\n", name);
2298 aced.old_afsi = &old_afsi;
2299 return afs_event(AFSI_CHANGE, &cad->aca->pbout, &aced);
2302 static int com_cpsi_callback(struct afs_callback_arg *aca)
2304 struct cpsi_action_data cad = {
2305 .flags = *(unsigned *)aca->query.data,
2309 char *source_path = (char *)aca->query.data + sizeof(cad.flags);
2310 struct pattern_match_data pmd = {
2311 .table = audio_file_table,
2312 .loop_col_num = AFTCOL_HASH,
2313 .match_col_num = AFTCOL_PATH,
2314 .patterns = {.data = source_path + strlen(source_path) + 1,
2315 .size = aca->query.size - sizeof(cad.flags)
2316 - strlen(source_path) - 1},
2318 .action = copy_selector_info
2321 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2324 ret = for_each_matching_row(&pmd);
2327 if (pmd.num_matches > 0) {
2328 if (cad.flags & CPSI_FLAG_VERBOSE)
2329 para_printf(&aca->pbout, "updated afsi of %u file(s)\n",
2337 int com_cpsi(struct command_context *cc)
2341 struct osl_object options = {.data = &flags, .size = sizeof(flags)};
2343 for (i = 1; i < cc->argc; i++) {
2344 const char *arg = cc->argv[i];
2347 if (!strcmp(arg, "--")) {
2351 if (!strcmp(arg, "-y")) {
2352 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2355 if (!strcmp(arg, "-i")) {
2356 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2359 if (!strcmp(arg, "-l")) {
2360 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2363 if (!strcmp(arg, "-n")) {
2364 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2367 if (!strcmp(arg, "-a")) {
2368 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2371 if (!strcmp(arg, "-v")) {
2372 flags |= CPSI_FLAG_VERBOSE;
2377 if (i + 1 >= cc->argc) /* need at least source file and pattern */
2378 return -E_AFT_SYNTAX;
2379 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2380 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2381 return send_option_arg_callback_request(&options, cc->argc - i,
2382 cc->argv + i, com_cpsi_callback, afs_cb_result_handler, cc);
2385 struct change_atts_data {
2386 uint64_t add_mask, del_mask;
2387 struct afs_callback_arg *aca;
2390 static int change_atts(__a_unused struct osl_table *table,
2391 struct osl_row *row, __a_unused const char *name, void *data)
2394 struct osl_object obj;
2395 struct afs_info old_afsi, new_afsi;
2396 struct afsi_change_event_data aced = {
2398 .old_afsi = &old_afsi
2400 struct change_atts_data *cad = data;
2402 ret = get_afsi_object_of_row(row, &obj);
2405 ret = load_afsi(&old_afsi, &obj);
2408 new_afsi = old_afsi;
2409 new_afsi.attributes |= cad->add_mask;
2410 new_afsi.attributes &= ~cad->del_mask;
2411 save_afsi(&new_afsi, &obj); /* in-place update */
2412 return afs_event(AFSI_CHANGE, &cad->aca->pbout, &aced);
2415 static int com_setatt_callback(struct afs_callback_arg *aca)
2420 struct change_atts_data cad = {.aca = aca};
2421 struct pattern_match_data pmd = {
2422 .table = audio_file_table,
2423 .loop_col_num = AFTCOL_HASH,
2424 .match_col_num = AFTCOL_PATH,
2425 .pm_flags = PM_SKIP_EMPTY_NAME,
2427 .action = change_atts
2431 p = aca->query.data;
2432 p < (char *)aca->query.data + aca->query.size;
2436 unsigned char bitnum;
2440 ret = -E_ATTR_SYNTAX;
2444 if (c != '+' && c != '-')
2447 ret = get_attribute_bitnum_by_name(p, &bitnum);
2449 para_printf(&aca->pbout, "attribute not found: %s\n", p);
2453 cad.add_mask |= (one << bitnum);
2455 cad.del_mask |= (one << bitnum);
2457 ret = -E_ATTR_SYNTAX;
2458 if (!cad.add_mask && !cad.del_mask)
2460 pmd.patterns.data = p;
2461 if (p >= (char *)aca->query.data + aca->query.size)
2463 pmd.patterns.size = (char *)aca->query.data + aca->query.size - p;
2464 ret = for_each_matching_row(&pmd);
2467 if (pmd.num_matches == 0)
2473 int com_setatt(struct command_context *cc)
2476 return -E_ATTR_SYNTAX;
2477 return send_standard_callback_request(cc->argc - 1, cc->argv + 1,
2478 com_setatt_callback, afs_cb_result_handler, cc);
2481 static int afs_stat_callback(struct afs_callback_arg *aca)
2483 int *parser_friendly = aca->query.data;
2484 char *buf = *parser_friendly?
2485 parser_friendly_status_items : status_items;
2489 return pass_buffer_as_shm(aca->fd, SBD_OUTPUT, buf, strlen(buf));
2493 * Get the current afs status items from the afs process and send it.
2495 * \param cc The command context, used e.g. for data encryption.
2496 * \param parser_friendly Whether parser-friendly output format should be used.
2498 * As the contents of the afs status items change in time and the command
2499 * handler only has a COW version created at fork time, it can not send
2500 * up-to-date afs status items directly. Therefore the usual callback mechanism
2501 * is used to pass the status items from the afs process to the command handler
2502 * via a shared memory area and a pipe.
2504 * \return The return value of the underlying call to \ref send_callback_request().
2506 int send_afs_status(struct command_context *cc, int parser_friendly)
2508 struct osl_object query = {.data = &parser_friendly,
2509 .size = sizeof(parser_friendly)};
2511 return send_callback_request(afs_stat_callback, &query,
2512 afs_cb_result_handler, cc);
2515 /* returns success on non-fatal errors to keep the loop going */
2516 static int check_audio_file(struct osl_row *row, void *data)
2519 struct para_buffer *pb = data;
2520 struct stat statbuf;
2521 int ret = get_audio_file_path_of_row(row, &path);
2522 struct afs_info afsi;
2526 para_printf(pb, "%s\n", para_strerror(-ret));
2529 if (stat(path, &statbuf) < 0)
2530 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2531 else if (!S_ISREG(statbuf.st_mode))
2532 para_printf(pb, "%s: not a regular file\n", path);
2533 ret = get_afsi_of_row(row, &afsi);
2535 para_printf(pb, "%s: %s\n", path, para_strerror(-ret));
2538 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2540 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2541 para_strerror(-ret));
2542 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2544 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2545 para_strerror(-ret));
2550 * Check the audio file table for inconsistencies.
2552 * \param aca Only ->pbout is used for diagnostics.
2554 * \return Standard. Inconsistencies are reported but not regarded as an error.
2558 int aft_check_callback(struct afs_callback_arg *aca)
2560 para_printf(&aca->pbout, "checking audio file table...\n");
2561 return audio_file_loop(&aca->pbout, check_audio_file);
2564 struct aft_check_atts_data {
2566 struct para_buffer *pb;
2569 static int check_atts_of_audio_file(struct osl_row *row, void *data)
2571 struct aft_check_atts_data *acad = data;
2573 struct afs_info afsi;
2577 ret = get_afsi_of_row(row, &afsi);
2579 para_printf(acad->pb, "cannot get afsi\n");
2582 bad_bits = afsi.attributes & ~acad->att_mask;
2583 if (bad_bits == 0) /* OK */
2585 ret = get_audio_file_path_of_row(row, &path);
2587 para_printf(acad->pb, "cannot get path\n");
2590 para_printf(acad->pb, "invalid attribute bits (%" PRIu64 "): %s\n",
2592 /* return success to keep looping */
2597 * Iterate over all audio files and check the attribute bit mask.
2599 * \param att_mask The mask of all valid attributes.
2600 * \param pb Used for reporting inconsistencies.
2602 * This reads the attribute bit mask of each audio file from the afs info
2603 * structure stored in the audio file table and verifies that all set bits are
2604 * also turned on in \a att_mask, i.e., correspond to an attribute of the
2605 * attribute table. Audio files for which this is not the case are reported via
2608 * \return Standard. Inconsistencies are not regarded as errors.
2610 * \sa \ref attribute_check_callback().
2612 int aft_check_attributes(uint64_t att_mask, struct para_buffer *pb)
2614 struct aft_check_atts_data acad = {.att_mask = att_mask, .pb = pb};
2616 para_printf(pb, "checking attributes, mask: %" PRIx64 "\n", att_mask);
2617 return audio_file_loop(&acad, check_atts_of_audio_file);
2621 * Close the audio file table.
2623 * \param flags Usual flags that are passed to osl_close_table().
2625 * \sa osl_close_table().
2627 static void aft_close(void)
2629 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2630 audio_file_table = NULL;
2634 * Open the audio file table.
2636 * \param dir The database directory.
2640 * \sa osl_open_table().
2642 static int aft_open(const char *dir)
2646 audio_file_table_desc.dir = dir;
2647 ret = osl(osl_open_table(&audio_file_table_desc, &audio_file_table));
2650 osl_get_num_rows(audio_file_table, &num);
2651 PARA_INFO_LOG("audio file table contains %u files\n", num);
2654 PARA_NOTICE_LOG("failed to open audio file table\n");
2655 audio_file_table = NULL;
2656 if (ret == -OSL_ERRNO_TO_PARA_ERROR(E_OSL_NOENT))
2661 static int aft_create(const char *dir)
2663 audio_file_table_desc.dir = dir;
2664 return osl(osl_create_table(&audio_file_table_desc));
2667 static int clear_attribute(struct osl_row *row, void *data)
2669 struct rmatt_event_data *red = data;
2670 struct afs_info afsi;
2671 struct osl_object obj;
2672 int ret = get_afsi_object_of_row(row, &obj);
2673 uint64_t mask = ~(1ULL << red->bitnum);
2677 ret = load_afsi(&afsi, &obj);
2680 afsi.attributes &= mask;
2681 save_afsi(&afsi, &obj);
2685 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2691 case ATTRIBUTE_REMOVE: {
2692 const struct rmatt_event_data *red = data;
2693 para_printf(pb, "clearing attribute %s (bit %u) from all "
2694 "entries in the audio file table\n", red->name,
2696 return audio_file_loop(data, clear_attribute);
2697 } case AFSI_CHANGE: {
2698 struct afsi_change_event_data *aced = data;
2699 uint64_t old_last_played = status_item_ls_data.afsi.last_played;
2700 if (aced->aft_row != current_aft_row)
2702 ret = get_afsi_of_row(aced->aft_row, &status_item_ls_data.afsi);
2705 status_item_ls_data.afsi.last_played = old_last_played;
2706 make_status_items();
2708 } case AFHI_CHANGE: {
2709 if (data != current_aft_row)
2711 ret = get_afhi_of_row(data, &status_item_ls_data.afhi);
2714 make_status_items();
2722 * Initialize the audio file table.
2724 * \param t Pointer to the structure to be initialized.
2726 void aft_init(struct afs_table *t)
2729 t->close = aft_close;
2730 t->create = aft_create;
2731 t->event_handler = aft_event_handler;