fecdec_filter.c: Kill useless UNUSED_GROUP_NUM.
[paraslash.git] / aft.c
1 /*
2 * Copyright (C) 2007-2009 Andre Noll <maan@systemlinux.org>
3 *
4 * Licensed under the GPL v2. For licencing details see COPYING.
5 */
6
7 /** \file aft.c Audio file table functions. */
8
9 #include <dirent.h> /* readdir() */
10 #include "para.h"
11 #include "error.h"
12 #include "string.h"
13 #include <sys/mman.h>
14 #include <fnmatch.h>
15 #include <sys/shm.h>
16
17 #include "afh.h"
18 #include "afs.h"
19 #include "net.h"
20 #include "vss.h"
21 #include "fd.h"
22 #include "ipc.h"
23 #include "portable_io.h"
24
25 static struct osl_table *audio_file_table;
26
27 /** The different sorting methods of the ls command. */
28 enum ls_sorting_method {
29 /** -sp (default) */
30 LS_SORT_BY_PATH,
31 /** -ss */
32 LS_SORT_BY_SCORE,
33 /** -sl */
34 LS_SORT_BY_LAST_PLAYED,
35 /** -sn */
36 LS_SORT_BY_NUM_PLAYED,
37 /** -sf */
38 LS_SORT_BY_FREQUENCY,
39 /** -sc */
40 LS_SORT_BY_CHANNELS,
41 /** -si */
42 LS_SORT_BY_IMAGE_ID,
43 /** -sy */
44 LS_SORT_BY_LYRICS_ID,
45 /** -sb */
46 LS_SORT_BY_BITRATE,
47 /** -sd */
48 LS_SORT_BY_DURATION,
49 /** -sa */
50 LS_SORT_BY_AUDIO_FORMAT,
51 /** -sh */
52 LS_SORT_BY_HASH,
53 };
54
55 /** The different listing modes of the ls command. */
56 enum ls_listing_mode {
57 /** Default listing mode. */
58 LS_MODE_SHORT,
59 /** -l or -ll */
60 LS_MODE_LONG,
61 /** -lv */
62 LS_MODE_VERBOSE,
63 /** -lm */
64 LS_MODE_MBOX,
65 /** -lc */
66 LS_MODE_CHUNKS
67 };
68
69 /** The flags accepted by the ls command. */
70 enum ls_flags {
71 /** -p */
72 LS_FLAG_FULL_PATH = 1,
73 /** -a */
74 LS_FLAG_ADMISSIBLE_ONLY = 2,
75 /** -r */
76 LS_FLAG_REVERSE = 4,
77 };
78
79 /**
80 * The size of the individual output fields of the ls command.
81 *
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
85 * hh:mm:ss.
86 */
87 struct ls_widths {
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;
104 };
105
106 /** Data passed from the ls command handler to its callback function. */
107 struct ls_options {
108 /** The given command line flags. */
109 unsigned 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. */
115 char **patterns;
116 /** Number of non-option arguments. */
117 int num_patterns;
118 /** Used for long listing mode to align the output fields. */
119 struct ls_widths widths;
120 /** Size of the \a data array. */
121 uint32_t array_size;
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;
128 };
129
130 /**
131 * Describes the layout of the mmapped-afs info struct.
132 *
133 * \sa struct afs_info.
134 */
135 enum afsi_offsets {
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. */
153 AFSI_SIZE = 32
154 };
155
156 /**
157 * Convert a struct afs_info to an osl object.
158 *
159 * \param afsi Pointer to the audio file info to be converted.
160 * \param obj Result pointer.
161 *
162 * \sa load_afsi().
163 */
164 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
165 {
166 char *buf = obj->data;
167
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);
177 }
178
179 /**
180 * Get the audio file selector info struct stored in an osl object.
181 *
182 * \param afsi Points to the audio_file info structure to be filled in.
183 * \param obj The osl object holding the data.
184 *
185 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
186 *
187 * \sa save_afsi().
188 */
189 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
190 {
191 char *buf = obj->data;
192 if (obj->size < AFSI_SIZE)
193 return -E_BAD_AFSI;
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);
202 return 1;
203 }
204
205 /** The columns of the audio file table. */
206 enum audio_file_table_columns {
207 /** The hash on the content of the audio file. */
208 AFTCOL_HASH,
209 /** The full path in the filesystem. */
210 AFTCOL_PATH,
211 /** The audio file selector info. */
212 AFTCOL_AFSI,
213 /** The audio format handler info. */
214 AFTCOL_AFHI,
215 /** The chunk table info and the chunk table of the audio file. */
216 AFTCOL_CHUNKS,
217 /** The number of columns of this table. */
218 NUM_AFT_COLUMNS
219 };
220
221 static struct osl_column_description aft_cols[] = {
222 [AFTCOL_HASH] = {
223 .storage_type = OSL_MAPPED_STORAGE,
224 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
225 .name = "hash",
226 .compare_function = osl_hash_compare,
227 .data_size = HASH_SIZE
228 },
229 [AFTCOL_PATH] = {
230 .storage_type = OSL_MAPPED_STORAGE,
231 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
232 .name = "path",
233 .compare_function = string_compare,
234 },
235 [AFTCOL_AFSI] = {
236 .storage_type = OSL_MAPPED_STORAGE,
237 .storage_flags = OSL_FIXED_SIZE,
238 .name = "afs_info",
239 .data_size = AFSI_SIZE
240 },
241 [AFTCOL_AFHI] = {
242 .storage_type = OSL_MAPPED_STORAGE,
243 .name = "afh_info",
244 },
245 [AFTCOL_CHUNKS] = {
246 .storage_type = OSL_DISK_STORAGE,
247 .name = "chunks",
248 }
249 };
250
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
256 };
257
258 /* We don't want * dot or dot-dot anywhere. */
259 static int verify_dotfile(const char *rest)
260 {
261 /*
262 * The first character was '.', but that has already been discarded, we
263 * now test the rest.
264 */
265 switch (*rest) {
266 case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
267 return -1;
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 */
272 }
273 return 1;
274 }
275
276 /*
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.
279 */
280 static int verify_path(const char *orig_path, char **resolved_path)
281 {
282 char c;
283 size_t len;
284 char *path;
285
286 if (*orig_path != '/') /* we only accept absolute paths */
287 return -E_BAD_PATH;
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 */
293 c = *path++;
294 while (c) {
295 if (c == '/') {
296 c = *path++;
297 switch (c) {
298 case '/': /* double slash */
299 goto bad_path;
300 case '.':
301 if (verify_dotfile(path) < 0)
302 goto bad_path;
303 default:
304 continue;
305 }
306 }
307 c = *path++;
308 }
309 return 1;
310 bad_path:
311 free(*resolved_path);
312 return -E_BAD_PATH;
313 }
314
315 /** The on-disk layout of a afhi struct. */
316 enum afhi_offsets {
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. */
344 MIN_AFHI_SIZE = 44
345 };
346
347 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
348 {
349 if (!afhi)
350 return 0;
351 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
352 }
353
354 static void save_afhi(struct afh_info *afhi, char *buf)
355 {
356 if (!afhi)
357 return;
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 */
371 }
372
373 static void load_afhi(const char *buf, struct afh_info *afhi)
374 {
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);
388 }
389
390 static unsigned sizeof_chunk_table(struct afh_info *afhi)
391 {
392 if (!afhi)
393 return 0;
394 return 4 * (afhi->chunks_total + 1);
395 }
396
397 static void save_chunk_table(struct afh_info *afhi, char *buf)
398 {
399 int i;
400
401 for (i = 0; i <= afhi->chunks_total; i++)
402 write_u32(buf + 4 * i, afhi->chunk_table[i]);
403 }
404
405 static void load_chunk_table(struct afh_info *afhi, char *buf)
406 {
407 int i;
408
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);
412 }
413
414 /**
415 * Get the row of the audio file table corresponding to the given path.
416 *
417 * \param path The full path of the audio file.
418 * \param row Result pointer.
419 *
420 * \return The return value of the underlying call to osl_get_row().
421 */
422 int aft_get_row_of_path(const char *path, struct osl_row **row)
423 {
424 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
425
426 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
427 }
428
429 /**
430 * Get the row of the audio file table corresponding to the given hash value.
431 *
432 * \param hash The hash value of the desired audio file.
433 * \param row resul pointer.
434 *
435 * \return The return value of the underlying call to osl_get_row().
436 */
437 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
438 {
439 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
440 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
441 }
442
443 /**
444 * Get the osl object holding the audio file selector info of a row.
445 *
446 * \param row Pointer to a row in the audio file table.
447 * \param obj Result pointer.
448 *
449 * \return The return value of the underlying call to osl_get_object().
450 */
451 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
452 {
453 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
454 }
455
456 /**
457 * Get the osl object holding the audio file selector info, given a path.
458 *
459 *
460 * \param path The full path of the audio file.
461 * \param obj Result pointer.
462 *
463 * \return Positive on success, negative on errors.
464 */
465 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
466 {
467 struct osl_row *row;
468 int ret = aft_get_row_of_path(path, &row);
469 if (ret < 0)
470 return ret;
471 return get_afsi_object_of_row(row, obj);
472 }
473
474 /**
475 * Get the audio file selector info, given a row of the audio file table.
476 *
477 * \param row Pointer to a row in the audio file table.
478 * \param afsi Result pointer.
479 *
480 * \return Positive on success, negative on errors.
481 */
482 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
483 {
484 struct osl_object obj;
485 int ret = get_afsi_object_of_row(row, &obj);
486 if (ret < 0)
487 return ret;
488 return load_afsi(afsi, &obj);
489 }
490
491 /**
492 * Get the audio file selector info, given the path of an audio table.
493 *
494 * \param path The full path of the audio file.
495 * \param afsi Result pointer.
496 *
497 * \return Positive on success, negative on errors.
498 */
499 int get_afsi_of_path(const char *path, struct afs_info *afsi)
500 {
501 struct osl_object obj;
502 int ret = get_afsi_object_of_path(path, &obj);
503 if (ret < 0)
504 return ret;
505 return load_afsi(afsi, &obj);
506 }
507
508 /**
509 * Get the path of an audio file, given a row of the audio file table.
510 *
511 * \param row Pointer to a row in the audio file table.
512 * \param path Result pointer.
513 *
514 * The result is a pointer to mmapped data. The caller must not attempt
515 * to free it.
516 *
517 * \return Standard.
518 */
519 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
520 {
521 struct osl_object path_obj;
522 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
523 &path_obj);
524 if (ret < 0)
525 return ret;
526 *path = path_obj.data;
527 return 1;
528 }
529
530 /**
531 * Get the object containing the hash value of an audio file, given a row.
532 *
533 * \param row Pointer to a row of the audio file table.
534 * \param obj Result pointer.
535 *
536 * \return The return value of the underlying call to osl_get_object().
537 *
538 * \sa get_hash_of_row().
539 */
540 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
541 {
542 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
543 }
544
545 /**
546 * Get the hash value of an audio file, given a row of the audio file table.
547 *
548 * \param row Pointer to a row of the audio file table.
549 * \param hash Result pointer.
550 *
551 * \a hash points to mapped data and must not be freed by the caller.
552 *
553 * \return The return value of the underlying call to
554 * get_hash_object_of_aft_row().
555 */
556 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
557 {
558 struct osl_object obj;
559 int ret = get_hash_object_of_aft_row(row, &obj);
560
561 if (ret < 0)
562 return ret;
563 *hash = obj.data;
564 return 1;
565 }
566
567 /**
568 * Get the audio format handler info, given a row of the audio file table.
569 *
570 * \param row Pointer to a row of the audio file table.
571 * \param afhi Result pointer.
572 *
573 * \return The return value of the underlying call to osl_get_object().
574 *
575 * \sa get_chunk_table_of_row().
576 */
577 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
578 {
579 struct osl_object obj;
580 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
581 &obj);
582 if (ret < 0)
583 return ret;
584 load_afhi(obj.data, afhi);
585 return 1;
586 }
587
588 /* returns shmid on success */
589 static int save_afd(struct audio_file_data *afd)
590 {
591 size_t size = sizeof(*afd) + sizeof_chunk_table(&afd->afhi);
592 int shmid, ret = shm_new(size);
593 void *shm_afd;
594 char *buf;
595
596 if (ret < 0)
597 return ret;
598 shmid = ret;
599 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
600 if (ret < 0)
601 goto err;
602 *(struct audio_file_data *)shm_afd = *afd;
603 buf = shm_afd;
604 buf += sizeof(*afd);
605 save_chunk_table(&afd->afhi, buf);
606 shm_detach(shm_afd);
607 return shmid;
608 err:
609 shm_destroy(shmid);
610 return ret;
611 }
612
613 int load_afd(int shmid, struct audio_file_data *afd)
614 {
615 void *shm_afd;
616 char *buf;
617 int ret;
618
619 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
620 if (ret < 0)
621 return ret;
622 *afd = *(struct audio_file_data *)shm_afd;
623 buf = shm_afd;
624 buf += sizeof(*afd);
625 load_chunk_table(&afd->afhi, buf);
626 shm_detach(shm_afd);
627 return 1;
628 }
629
630 /**
631 * Mmap the given audio file and update statistics.
632 *
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.
636 *
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.
640 *
641 * \return Positive shmid on success, negative on errors.
642 */
643 int open_and_update_audio_file(struct osl_row *aft_row, long score,
644 struct audio_file_data *afd)
645 {
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;
652 char *path;
653
654 if (ret < 0)
655 return ret;
656 ret = get_audio_file_path_of_row(aft_row, &path);
657 if (ret < 0)
658 return ret;
659 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
660 if (ret < 0)
661 return ret;
662 ret = load_afsi(&old_afsi, &afsi_obj);
663 if (ret < 0)
664 return ret;
665 ret = get_afhi_of_row(aft_row, &afd->afhi);
666 if (ret < 0)
667 return ret;
668 afd->afhi.chunk_table = NULL;
669 ret = osl_open_disk_object(audio_file_table, aft_row,
670 AFTCOL_CHUNKS, &chunk_table_obj);
671 if (ret < 0)
672 goto err;
673 ret = mmap_full_file(path, O_RDONLY, &map.data,
674 &map.size, &afd->fd);
675 if (ret < 0)
676 goto err;
677 hash_function(map.data, map.size, file_hash);
678 ret = hash_compare(file_hash, aft_hash);
679 para_munmap(map.data, map.size);
680 if (ret) {
681 ret = -E_HASH_MISMATCH;
682 goto err;
683 }
684 new_afsi = old_afsi;
685 new_afsi.num_played++;
686 new_afsi.last_played = time(NULL);
687 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
688
689 load_chunk_table(&afd->afhi, chunk_table_obj.data);
690 {
691 struct ls_data d = {
692 .afhi = afd->afhi, /* struct copy */
693 .afsi = old_afsi,
694 .path = path,
695 .score = score,
696 .hash = file_hash
697 };
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;
701 if (ret < 0)
702 goto err;
703 strncpy(afd->verbose_ls_output, pb.buf, VERBOSE_LS_OUTPUT_SIZE);
704 afd->verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE - 1] = '\0';
705 free(pb.buf);
706 }
707 aced.aft_row = aft_row;
708 aced.old_afsi = &old_afsi;
709 afs_event(AFSI_CHANGE, NULL, &aced);
710 ret = save_afd(afd);
711 err:
712 free(afd->afhi.chunk_table);
713 free(afd->afhi.info_string);
714 osl_close_disk_object(&chunk_table_obj);
715 return ret;
716 }
717
718 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
719 time_t current_time, enum ls_listing_mode lm)
720 {
721 struct tm t;
722
723 if (!localtime_r((time_t *)seconds, &t))
724 return -E_LOCALTIME;
725 if (lm == LS_MODE_MBOX) {
726 if (!strftime(buf, size, "%c", &t))
727 return -E_STRFTIME;
728 return 1;
729 }
730 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
731 if (!strftime(buf, size, "%b %e %k:%M", &t))
732 return -E_STRFTIME;
733 return 1;
734 }
735 if (!strftime(buf, size, "%b %e %Y", &t))
736 return -E_STRFTIME;
737 return 1;
738 }
739
740 /** Compute the number of (decimal) digits of a number. */
741 #define GET_NUM_DIGITS(x, num) { \
742 typeof((x)) _tmp = PARA_ABS(x); \
743 *num = 1; \
744 if ((x)) \
745 while ((_tmp) > 9) { \
746 (_tmp) /= 10; \
747 (*num)++; \
748 } \
749 }
750
751 static short unsigned get_duration_width(int seconds)
752 {
753 short unsigned width;
754 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
755
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);
760 return width + 6;
761 }
762
763 static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
764 {
765 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
766 short unsigned max_width;
767
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,
776 seconds % 60);
777 }
778 }
779
780 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
781 {
782 char *att_text, *att_lines;
783
784 get_attribute_text(&afsi->attributes, " ", &att_text);
785 if (!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);
790 free(att_text);
791 return att_lines;
792 }
793
794 static char *make_lyrics_lines(struct afs_info *afsi)
795 {
796 char *lyrics_name;
797
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)");
803 }
804
805 static char *make_image_lines(struct afs_info *afsi)
806 {
807 char *image_name;
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)");
813 }
814
815 static char *make_filename_lines(const char *path, unsigned flags)
816 {
817 char *dirname, *ret;
818 const char *basename;
819
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 : "?");
829 free(dirname);
830 return ret;
831 }
832
833 static int print_chunk_table(struct ls_data *d, struct para_buffer *b)
834 {
835 struct osl_object chunk_table_obj;
836 struct osl_row *aft_row;
837 int ret, i;
838 char *buf;
839
840 ret = aft_get_row_of_hash(d->hash, &aft_row);
841 if (ret < 0)
842 return ret;
843 ret = osl_open_disk_object(audio_file_table, aft_row,
844 AFTCOL_CHUNKS, &chunk_table_obj);
845 if (ret < 0)
846 return ret;
847 ret = para_printf(b, "%s\n"
848 "chunk_time: %lu:%lu\nchunk_offsets: ",
849 d->path,
850 (long unsigned) d->afhi.chunk_tv.tv_sec,
851 (long unsigned) d->afhi.chunk_tv.tv_usec
852 );
853 if (ret < 0)
854 goto out;
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));
858 if (ret < 0)
859 goto out;
860 }
861 ret = para_printf(b, "\n");
862 out:
863 osl_close_disk_object(&chunk_table_obj);
864 return ret;
865 }
866
867 static int print_list_item(struct ls_data *d, struct ls_options *opts,
868 struct para_buffer *b, time_t current_time)
869 {
870 int ret;
871 char att_buf[65];
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;
881
882 if (opts->mode == LS_MODE_SHORT) {
883 ret = para_printf(b, "%s\n", d->path);
884 goto out;
885 }
886 if (opts->mode == LS_MODE_CHUNKS) {
887 ret = print_chunk_table(d, b);
888 goto out;
889 }
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);
893 if (ret < 0)
894 goto out;
895 get_duration_buf(afhi->seconds_total, duration_buf, opts);
896 if (have_score) {
897 if (opts->mode == LS_MODE_LONG)
898 sprintf(score_buf, "%*li ", w->score_width, d->score);
899 else
900 sprintf(score_buf, "%li ", d->score);
901 }
902
903 if (opts->mode == LS_MODE_LONG) {
904 ret = para_printf(b,
905 "%s" /* score */
906 "%s " /* attributes */
907 "%*u " /* amp */
908 "%*d " /* image_id */
909 "%*d " /* lyrics_id */
910 "%*d " /* bitrate */
911 "%s " /* audio format */
912 "%*d " /* frequency */
913 "%d " /* channels */
914 "%s " /* duration */
915 "%*d " /* num_played */
916 "%s " /* last_played */
917 "%s\n", /* path */
918 score_buf,
919 att_buf,
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,
926 afhi->channels,
927 duration_buf,
928 w->num_played_width, afsi->num_played,
929 last_played_time,
930 d->path
931 );
932 goto out;
933 }
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);
941 ret = para_printf(b,
942 "From foo@localhost %s\n"
943 "Received: from\nTo: bar\nFrom: a\n"
944 "Subject: %s\n\n",
945 last_played_time,
946 bn? bn : "?");
947 if (ret < 0)
948 goto out;
949 }
950 ret = para_printf(b,
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 */
956 "%s" /* lyrics */
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 */
966 "%s" /* tag info */
967 "%s: %lu\n" /* chunk time */
968 "%s: %lu\n", /* num chunks */
969 filename_lines,
970 have_score? status_item_list[SI_SCORE] : "",
971 have_score? ": " : "",
972 score_buf,
973 have_score? "\n" : "",
974 att_lines,
975 status_item_list[SI_HASH], asc_hash,
976 image_lines,
977 lyrics_lines,
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,
987 afhi->info_string,
988 status_item_list[SI_CHUNK_TIME], tv2ms(&afhi->chunk_tv),
989 status_item_list[SI_NUM_CHUNKS], afhi->chunks_total
990 );
991 if (ret < 0)
992 goto out;
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);
1000 }
1001 }
1002 free(att_lines);
1003 free(lyrics_lines);
1004 free(image_lines);
1005 free(filename_lines);
1006 out:
1007 free(afhi->info_string);
1008 return ret;
1009 }
1010
1011 /**
1012 * Write a list of audio-file related status items with empty values.
1013 *
1014 * \param buf Result pointer.
1015 *
1016 * This is used by vss when currently no audio file is open.
1017 */
1018 void make_empty_status_items(char *buf)
1019 {
1020 sprintf(buf,
1021 "%s: \n" /* path */
1022 "%s: \n" /* dirname */
1023 "%s: \n" /* basename */
1024 "%s: \n" /* score */
1025 "%s: \n" /* attributes bitmap */
1026 "%s: \n" /* attributes txt */
1027 "%s: \n" /* hash */
1028 "%s: \n" /* image id */
1029 "%s: \n" /* image name */
1030 "%s: \n" /* lyrics id */
1031 "%s: \n" /* lyrics name */
1032 "%s: \n" /* bitrate */
1033 "%s: \n" /* format */
1034 "%s: \n" /* frequency */
1035 "%s: \n" /* channels */
1036 "%s: \n" /* duration */
1037 "%s: \n" /* seconds total */
1038 "%s: \n" /* num played */
1039 "%s: \n" /* last played */
1040 "%s: \n" /* audio file info */
1041 "%s: \n" /* taginfo1 */
1042 "%s: \n" /* taginfo2 */
1043 "%s: \n" /* amplification */
1044 ,
1045 status_item_list[SI_PATH],
1046 status_item_list[SI_DIRECTORY],
1047 status_item_list[SI_BASENAME],
1048 status_item_list[SI_SCORE],
1049 status_item_list[SI_ATTRIBUTES_BITMAP],
1050 status_item_list[SI_ATTRIBUTES_TXT],
1051 status_item_list[SI_HASH],
1052 status_item_list[SI_IMAGE_ID],
1053 status_item_list[SI_IMAGE_NAME],
1054 status_item_list[SI_LYRICS_ID],
1055 status_item_list[SI_LYRICS_NAME],
1056 status_item_list[SI_BITRATE],
1057 status_item_list[SI_FORMAT],
1058 status_item_list[SI_FREQUENCY],
1059 status_item_list[SI_CHANNELS],
1060 status_item_list[SI_DURATION],
1061 status_item_list[SI_SECONDS_TOTAL],
1062 status_item_list[SI_NUM_PLAYED],
1063 status_item_list[SI_LAST_PLAYED],
1064 status_item_list[SI_AUDIO_FILE_INFO],
1065 status_item_list[SI_TAGINFO1],
1066 status_item_list[SI_TAGINFO2],
1067 status_item_list[SI_AMPLIFICATION]
1068 );
1069 }
1070
1071 int make_status_items(struct ls_data *d, struct para_buffer *pb)
1072 {
1073 struct ls_options opts = {
1074 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
1075 .mode = LS_MODE_VERBOSE,
1076 };
1077 time_t current_time;
1078
1079 time(&current_time);
1080 return print_list_item(d, &opts, pb, current_time);
1081 }
1082
1083
1084 static int ls_audio_format_compare(const void *a, const void *b)
1085 {
1086 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1087 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1088 }
1089
1090 static int ls_duration_compare(const void *a, const void *b)
1091 {
1092 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1093 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1094 }
1095
1096 static int ls_bitrate_compare(const void *a, const void *b)
1097 {
1098 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1099 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1100 }
1101
1102 static int ls_lyrics_id_compare(const void *a, const void *b)
1103 {
1104 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1105 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1106 }
1107
1108 static int ls_image_id_compare(const void *a, const void *b)
1109 {
1110 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1111 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1112 }
1113
1114 static int ls_channels_compare(const void *a, const void *b)
1115 {
1116 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1117 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1118 }
1119
1120 static int ls_frequency_compare(const void *a, const void *b)
1121 {
1122 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1123 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1124 }
1125
1126 static int ls_num_played_compare(const void *a, const void *b)
1127 {
1128 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1129 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1130 }
1131
1132 static int ls_last_played_compare(const void *a, const void *b)
1133 {
1134 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1135 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1136 }
1137
1138 static int ls_score_compare(const void *a, const void *b)
1139 {
1140 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1141 return NUM_COMPARE(d1->score, d2->score);
1142 }
1143
1144 static int ls_path_compare(const void *a, const void *b)
1145 {
1146 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1147 return strcmp(d1->path, d2->path);
1148 }
1149
1150 static int sort_matching_paths(struct ls_options *options)
1151 {
1152 size_t nmemb = options->num_matching_paths;
1153 size_t size = sizeof(*options->data_ptr);
1154 int (*compar)(const void *, const void *);
1155 int i;
1156
1157 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1158 for (i = 0; i < nmemb; i++)
1159 options->data_ptr[i] = options->data + i;
1160
1161 /* In these cases the array is already sorted */
1162 if (options->sorting == LS_SORT_BY_PATH
1163 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1164 && (options->flags & LS_FLAG_FULL_PATH))
1165 return 1;
1166 if (options->sorting == LS_SORT_BY_SCORE &&
1167 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1168 return 1;
1169
1170 switch (options->sorting) {
1171 case LS_SORT_BY_PATH:
1172 compar = ls_path_compare; break;
1173 case LS_SORT_BY_SCORE:
1174 compar = ls_score_compare; break;
1175 case LS_SORT_BY_LAST_PLAYED:
1176 compar = ls_last_played_compare; break;
1177 case LS_SORT_BY_NUM_PLAYED:
1178 compar = ls_num_played_compare; break;
1179 case LS_SORT_BY_FREQUENCY:
1180 compar = ls_frequency_compare; break;
1181 case LS_SORT_BY_CHANNELS:
1182 compar = ls_channels_compare; break;
1183 case LS_SORT_BY_IMAGE_ID:
1184 compar = ls_image_id_compare; break;
1185 case LS_SORT_BY_LYRICS_ID:
1186 compar = ls_lyrics_id_compare; break;
1187 case LS_SORT_BY_BITRATE:
1188 compar = ls_bitrate_compare; break;
1189 case LS_SORT_BY_DURATION:
1190 compar = ls_duration_compare; break;
1191 case LS_SORT_BY_AUDIO_FORMAT:
1192 compar = ls_audio_format_compare; break;
1193 default:
1194 return -E_BAD_SORT;
1195 }
1196 qsort(options->data_ptr, nmemb, size, compar);
1197 return 1;
1198 }
1199
1200 /* row is either an aft_row or a row of the score table */
1201 /* TODO: Only compute widths if we need them */
1202 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1203 {
1204 int ret, i;
1205 struct ls_options *options = ls_opts;
1206 struct ls_data *d;
1207 struct ls_widths *w;
1208 unsigned short num_digits;
1209 unsigned tmp;
1210 struct osl_row *aft_row;
1211 long score;
1212 char *path;
1213
1214 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1215 ret = get_score_and_aft_row(row, &score, &aft_row);
1216 if (ret < 0)
1217 return ret;
1218 } else
1219 aft_row = row;
1220 ret = get_audio_file_path_of_row(aft_row, &path);
1221 if (ret < 0)
1222 return ret;
1223 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1224 char *p = strrchr(path, '/');
1225 if (p)
1226 path = p + 1;
1227 }
1228 if (options->num_patterns) {
1229 for (i = 0; i < options->num_patterns; i++) {
1230 ret = fnmatch(options->patterns[i], path, 0);
1231 if (!ret)
1232 break;
1233 if (ret == FNM_NOMATCH)
1234 continue;
1235 return -E_FNMATCH;
1236 }
1237 if (i >= options->num_patterns) /* no match */
1238 return 1;
1239 }
1240 tmp = options->num_matching_paths++;
1241 if (options->num_matching_paths > options->array_size) {
1242 options->array_size++;
1243 options->array_size *= 2;
1244 options->data = para_realloc(options->data, options->array_size
1245 * sizeof(*options->data));
1246 }
1247 d = options->data + tmp;
1248 ret = get_afsi_of_row(aft_row, &d->afsi);
1249 if (ret < 0)
1250 return ret;
1251 ret = get_afhi_of_row(aft_row, &d->afhi);
1252 if (ret < 0)
1253 return ret;
1254 d->path = path;
1255 ret = get_hash_of_row(aft_row, &d->hash);
1256 if (ret < 0)
1257 goto err;
1258 w = &options->widths;
1259 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1260 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1261 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1262 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1263 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1264 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1265 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1266 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1267 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1268 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1269 /* get the number of chars to print this amount of time */
1270 num_digits = get_duration_width(d->afhi.seconds_total);
1271 w->duration_width = PARA_MAX(w->duration_width, num_digits);
1272 GET_NUM_DIGITS(d->afsi.amp, &num_digits);
1273 w->amp_width = PARA_MAX(w->amp_width, num_digits);
1274 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1275 GET_NUM_DIGITS(score, &num_digits);
1276 num_digits++; /* add one for the sign (space or "-") */
1277 w->score_width = PARA_MAX(w->score_width, num_digits);
1278 d->score = score;
1279 }
1280 return 1;
1281 err:
1282 free(d->afhi.info_string);
1283 return ret;
1284 }
1285
1286 static void com_ls_callback(int fd, const struct osl_object *query)
1287 {
1288 struct ls_options *opts = query->data;
1289 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1290 struct para_buffer b = {.max_size = SHMMAX,
1291 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1292 int i = 0, ret;
1293 time_t current_time;
1294
1295
1296 if (opts->num_patterns) {
1297 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1298 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1299 opts->patterns[i] = p;
1300 p += strlen(p) + 1;
1301 }
1302 } else
1303 opts->patterns = NULL;
1304 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1305 ret = admissible_file_loop(opts, prepare_ls_row);
1306 else
1307 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1308 prepare_ls_row);
1309 if (ret < 0)
1310 goto out;
1311 ret = opts->num_patterns? -E_NO_MATCH : 0;
1312 if (!opts->num_matching_paths)
1313 goto out;
1314 ret = sort_matching_paths(opts);
1315 if (ret < 0)
1316 goto out;
1317 time(&current_time);
1318 if (opts->flags & LS_FLAG_REVERSE)
1319 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1320 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1321 if (ret < 0)
1322 goto out;
1323 }
1324 else
1325 for (i = 0; i < opts->num_matching_paths; i++) {
1326 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1327 if (ret < 0)
1328 goto out;
1329 }
1330 out:
1331 if (b.offset)
1332 pass_buffer_as_shm(b.buf, b.offset, &fd);
1333 free(b.buf);
1334 free(opts->data);
1335 free(opts->data_ptr);
1336 free(opts->patterns);
1337 }
1338
1339 /*
1340 * TODO: flags -h (sort by hash)
1341 */
1342 int com_ls(int fd, int argc, char * const * const argv)
1343 {
1344 int i, ret;
1345 unsigned flags = 0;
1346 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1347 enum ls_listing_mode mode = LS_MODE_SHORT;
1348 struct ls_options opts = {.patterns = NULL};
1349 struct osl_object query = {.data = &opts, .size = sizeof(opts)};
1350
1351 for (i = 1; i < argc; i++) {
1352 const char *arg = argv[i];
1353 if (arg[0] != '-')
1354 break;
1355 if (!strcmp(arg, "--")) {
1356 i++;
1357 break;
1358 }
1359 if (!strncmp(arg, "-l", 2)) {
1360 if (!*(arg + 2)) {
1361 mode = LS_MODE_LONG;
1362 continue;
1363 }
1364 if (*(arg + 3))
1365 return -E_AFT_SYNTAX;
1366 switch(*(arg + 2)) {
1367 case 's':
1368 mode = LS_MODE_SHORT;
1369 continue;
1370 case 'l':
1371 mode = LS_MODE_LONG;
1372 continue;
1373 case 'v':
1374 mode = LS_MODE_VERBOSE;
1375 continue;
1376 case 'm':
1377 mode = LS_MODE_MBOX;
1378 continue;
1379 case 'c':
1380 mode = LS_MODE_CHUNKS;
1381 continue;
1382 default:
1383 return -E_AFT_SYNTAX;
1384 }
1385 }
1386 if (!strcmp(arg, "-p")) {
1387 flags |= LS_FLAG_FULL_PATH;
1388 continue;
1389 }
1390 if (!strcmp(arg, "-a")) {
1391 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1392 continue;
1393 }
1394 if (!strcmp(arg, "-r")) {
1395 flags |= LS_FLAG_REVERSE;
1396 continue;
1397 }
1398 if (!strncmp(arg, "-s", 2)) {
1399 if (!*(arg + 2) || *(arg + 3))
1400 return -E_AFT_SYNTAX;
1401 switch(*(arg + 2)) {
1402 case 'p':
1403 sort = LS_SORT_BY_PATH;
1404 continue;
1405 case 's': /* -ss implies -a */
1406 sort = LS_SORT_BY_SCORE;
1407 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1408 continue;
1409 case 'l':
1410 sort = LS_SORT_BY_LAST_PLAYED;
1411 continue;
1412 case 'n':
1413 sort = LS_SORT_BY_NUM_PLAYED;
1414 continue;
1415 case 'f':
1416 sort = LS_SORT_BY_FREQUENCY;
1417 continue;
1418 case 'c':
1419 sort = LS_SORT_BY_CHANNELS;
1420 continue;
1421 case 'i':
1422 sort = LS_SORT_BY_IMAGE_ID;
1423 continue;
1424 case 'y':
1425 sort = LS_SORT_BY_LYRICS_ID;
1426 continue;
1427 case 'b':
1428 sort = LS_SORT_BY_BITRATE;
1429 continue;
1430 case 'd':
1431 sort = LS_SORT_BY_DURATION;
1432 continue;
1433 case 'a':
1434 sort = LS_SORT_BY_AUDIO_FORMAT;
1435 continue;
1436 default:
1437 return -E_AFT_SYNTAX;
1438 }
1439 }
1440 return -E_AFT_SYNTAX;
1441 }
1442 opts.flags = flags;
1443 opts.sorting = sort;
1444 opts.mode = mode;
1445 opts.num_patterns = argc - i;
1446 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1447 argv + i, com_ls_callback, send_result, &fd);
1448 return ret;
1449 }
1450
1451 /**
1452 * Call the given function for each file in the audio file table.
1453 *
1454 * \param private_data An arbitrary data pointer, passed to \a func.
1455 * \param func The custom function to be called.
1456 *
1457 * \return The return value of the underlying call to osl_rbtree_loop().
1458 */
1459 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1460 {
1461 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1462 func);
1463 }
1464
1465 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1466 {
1467 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1468 struct osl_row *row;
1469
1470 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1471 return row;
1472 }
1473
1474 /** The format of the data stored by save_audio_file_data(). */
1475 enum com_add_buffer_offsets {
1476 /** afhi (if present) starts here. */
1477 CAB_AFHI_OFFSET_POS = 0,
1478 /** Start of the chunk table (if present). */
1479 CAB_CHUNKS_OFFSET_POS = 2,
1480 /** Audio format id. */
1481 CAB_AUDIO_FORMAT_OFFSET = 4,
1482 /** Flags given to the add command. */
1483 CAB_FLAGS_OFFSET = 5,
1484 /** The hash of the audio file being added. */
1485 CAB_HASH_OFFSET = 9,
1486 /** Start of the path of the audio file. */
1487 CAB_PATH_OFFSET = (CAB_HASH_OFFSET + HASH_SIZE),
1488 };
1489
1490 /*
1491 * Store the given data to a single buffer. Doesn't need the audio file selector
1492 * info struct as the server knows it as well.
1493 *
1494 * It's OK to call this with afhi == NULL. In this case, the audio format
1495 * handler info won't be stored in the buffer.
1496 */
1497 static void save_add_callback_buffer(HASH_TYPE *hash, const char *path,
1498 struct afh_info *afhi, uint32_t flags,
1499 uint8_t audio_format_num, struct osl_object *obj)
1500 {
1501 size_t path_len = strlen(path) + 1;
1502 size_t afhi_size = sizeof_afhi_buf(afhi);
1503 size_t size = CAB_PATH_OFFSET + path_len + afhi_size
1504 + sizeof_chunk_table(afhi);
1505 char *buf = para_malloc(size);
1506 uint16_t pos;
1507
1508 write_u8(buf + CAB_AUDIO_FORMAT_OFFSET, audio_format_num);
1509 write_u32(buf + CAB_FLAGS_OFFSET, flags);
1510
1511 memcpy(buf + CAB_HASH_OFFSET, hash, HASH_SIZE);
1512 strcpy(buf + CAB_PATH_OFFSET, path);
1513
1514 pos = CAB_PATH_OFFSET + path_len;
1515 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1516 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1517 pos + afhi_size - 1);
1518 write_u16(buf + CAB_AFHI_OFFSET_POS, pos);
1519 save_afhi(afhi, buf + pos);
1520
1521 pos += afhi_size;
1522 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1523 write_u16(buf + CAB_CHUNKS_OFFSET_POS, pos);
1524 if (afhi)
1525 save_chunk_table(afhi, buf + pos);
1526 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1527 obj->data = buf;
1528 obj->size = size;
1529 }
1530
1531 /*
1532
1533 Overview of the add command.
1534
1535 Input: What was passed to the callback by the command handler.
1536 ~~~~~~
1537 HS: Hash sister. Whether an audio file with identical hash
1538 already exists in the osl database.
1539
1540 PB: Path brother. Whether a file with the given path exists
1541 in the table.
1542
1543 F: Force flag given. Whether add was called with -f.
1544
1545 output: Action performed by the callback.
1546 ~~~~~~~
1547 AFHI: Whether afhi and chunk table are computed and sent.
1548 ACTION: Table modifications to be done by the callback.
1549
1550 +----+----+---+------+---------------------------------------------------+
1551 | HS | PB | F | AFHI | ACTION
1552 +----+----+---+------+---------------------------------------------------+
1553 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1554 | | update path, keep afsi
1555 +----+----+---+------+---------------------------------------------------+
1556 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1557 | | otherwise: remove PB, HS: update path, keep afhi,
1558 | | afsi.
1559 +----+----+---+------+---------------------------------------------------+
1560 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1561 | | HS, keep afsi
1562 +----+----+---+------+---------------------------------------------------+
1563 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1564 +----+----+---+------+---------------------------------------------------+
1565 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1566 | | (force has no effect)
1567 +----+----+---+------+---------------------------------------------------+
1568 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1569 +----+----+---+------+---------------------------------------------------+
1570 | N | N | Y | Y | (new file) create new entry (force has no effect)
1571 +----+----+---+------+---------------------------------------------------+
1572 | N | N | N | Y | (new file) create new entry
1573 +----+----+---+------+---------------------------------------------------+
1574
1575 Notes:
1576
1577 afhi <=> force or no HS
1578 F => AFHI
1579
1580 */
1581
1582 /** Flags passed to the add command. */
1583 enum com_add_flags {
1584 /** Skip paths that exist already. */
1585 ADD_FLAG_LAZY = 1,
1586 /** Force adding. */
1587 ADD_FLAG_FORCE = 2,
1588 /** Print what is being done. */
1589 ADD_FLAG_VERBOSE = 4,
1590 /** Try to add files with unknown suffixes. */
1591 ADD_FLAG_ALL = 8,
1592 };
1593
1594 static void com_add_callback(int fd, const struct osl_object *query)
1595 {
1596 char *buf = query->data, *path;
1597 struct osl_row *pb, *aft_row;
1598 struct osl_row *hs;
1599 struct osl_object objs[NUM_AFT_COLUMNS];
1600 HASH_TYPE *hash;
1601 char asc[2 * HASH_SIZE + 1];
1602 int ret;
1603 char afsi_buf[AFSI_SIZE];
1604 uint32_t flags = read_u32(buf + CAB_FLAGS_OFFSET);
1605 struct afs_info default_afsi = {.last_played = 0};
1606 struct para_buffer msg = {.max_size = SHMMAX,
1607 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1608 uint16_t afhi_offset, chunks_offset;
1609
1610 hash = (HASH_TYPE *)buf + CAB_HASH_OFFSET;
1611 hash_to_asc(hash, asc);;
1612 objs[AFTCOL_HASH].data = buf + CAB_HASH_OFFSET;
1613 objs[AFTCOL_HASH].size = HASH_SIZE;
1614
1615 path = buf + CAB_PATH_OFFSET;
1616 objs[AFTCOL_PATH].data = path;
1617 objs[AFTCOL_PATH].size = strlen(path) + 1;
1618
1619 PARA_INFO_LOG("request to add %s\n", path);
1620 hs = find_hash_sister(hash);
1621 ret = aft_get_row_of_path(path, &pb);
1622 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1623 goto out;
1624 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1625 if (flags & ADD_FLAG_VERBOSE)
1626 ret = para_printf(&msg, "ignoring duplicate\n");
1627 else
1628 ret = 1;
1629 goto out;
1630 }
1631 if (hs && hs != pb) {
1632 struct osl_object obj;
1633 if (pb) { /* hs trumps pb, remove pb */
1634 if (flags & ADD_FLAG_VERBOSE) {
1635 ret = para_printf(&msg, "removing path brother\n");
1636 if (ret < 0)
1637 goto out;
1638 }
1639 ret = osl_del_row(audio_file_table, pb);
1640 if (ret < 0)
1641 goto out;
1642 pb = NULL;
1643 }
1644 /* file rename, update hs' path */
1645 if (flags & ADD_FLAG_VERBOSE) {
1646 ret = osl_get_object(audio_file_table, hs,
1647 AFTCOL_PATH, &obj);
1648 if (ret < 0)
1649 goto out;
1650 ret = para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1651 if (ret < 0)
1652 goto out;
1653 }
1654 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1655 &objs[AFTCOL_PATH]);
1656 if (ret < 0)
1657 goto out;
1658 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1659 if (!(flags & ADD_FLAG_FORCE))
1660 goto out;
1661 }
1662 /* no hs or force mode, child must have sent afhi */
1663 afhi_offset = read_u16(buf + CAB_AFHI_OFFSET_POS);
1664 chunks_offset = read_u16(buf + CAB_CHUNKS_OFFSET_POS);
1665
1666 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1667 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1668 ret = -E_NO_AFHI;
1669 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1670 goto out;
1671 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1672 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1673 if (pb && !hs) { /* update pb's hash */
1674 char old_asc[2 * HASH_SIZE + 1];
1675 HASH_TYPE *old_hash;
1676 ret = get_hash_of_row(pb, &old_hash);
1677 if (ret < 0)
1678 goto out;
1679 hash_to_asc(old_hash, old_asc);
1680 if (flags & ADD_FLAG_VERBOSE) {
1681 ret = para_printf(&msg, "file change: %s -> %s\n",
1682 old_asc, asc);
1683 if (ret < 0)
1684 goto out;
1685 }
1686 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1687 &objs[AFTCOL_HASH]);
1688 if (ret < 0)
1689 goto out;
1690 }
1691 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1692 struct osl_row *row = pb? pb : hs;
1693 /* update afhi and chunk_table */
1694 if (flags & ADD_FLAG_VERBOSE) {
1695 ret = para_printf(&msg, "updating afhi and chunk table\n");
1696 if (ret < 0)
1697 goto out;
1698 }
1699 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1700 &objs[AFTCOL_AFHI]);
1701 if (ret < 0)
1702 goto out;
1703 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1704 &objs[AFTCOL_CHUNKS]);
1705 if (ret < 0)
1706 goto out;
1707 afs_event(AFHI_CHANGE, &msg, row);
1708 goto out;
1709 }
1710 /* new entry, use default afsi */
1711 if (flags & ADD_FLAG_VERBOSE) {
1712 ret = para_printf(&msg, "new file\n");
1713 if (ret < 0)
1714 goto out;
1715 }
1716 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1717 default_afsi.audio_format_id = read_u8(buf + CAB_AUDIO_FORMAT_OFFSET);
1718
1719 objs[AFTCOL_AFSI].data = &afsi_buf;
1720 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1721 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1722 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1723 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1724 out:
1725 if (ret < 0)
1726 ret = para_printf(&msg, "%s\n", para_strerror(-ret));
1727 if (msg.offset)
1728 pass_buffer_as_shm(msg.buf, msg.offset, &fd);
1729 free(msg.buf);
1730 }
1731
1732 /** Used by com_add(). */
1733 struct private_add_data {
1734 /** The socket file descriptor. */
1735 int fd;
1736 /** The given add flags. */
1737 uint32_t flags;
1738 };
1739
1740 static void path_brother_callback(int fd, const struct osl_object *query)
1741 {
1742 char *path = query->data;
1743 struct osl_row *path_brother;
1744 int ret = aft_get_row_of_path(path, &path_brother);
1745 if (ret < 0)
1746 return;
1747 pass_buffer_as_shm((char *)&path_brother, sizeof(path_brother), &fd);
1748 }
1749
1750 static void hash_sister_callback(int fd, const struct osl_object *query)
1751 {
1752 HASH_TYPE *hash = query->data;
1753 struct osl_row *hash_sister;
1754
1755 hash_sister = find_hash_sister(hash);
1756 if (!hash_sister)
1757 return;
1758 pass_buffer_as_shm((char *)&hash_sister, sizeof(hash_sister), &fd);
1759 }
1760
1761 static int get_row_pointer_from_result(struct osl_object *result, void *private)
1762 {
1763 struct osl_row **row = private;
1764 *row = result->data;
1765 return 1;
1766 }
1767
1768 static int add_one_audio_file(const char *path, void *private_data)
1769 {
1770 int ret, send_ret = 1, fd;
1771 uint8_t format_num = -1;
1772 struct private_add_data *pad = private_data;
1773 struct afh_info afhi, *afhi_ptr = NULL;
1774 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1775 struct osl_object map, obj = {.data = NULL}, query;
1776 HASH_TYPE hash[HASH_SIZE];
1777
1778 ret = guess_audio_format(path);
1779 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1780 goto out_free;
1781 query.data = (char *)path;
1782 query.size = strlen(path) + 1;
1783 ret = send_callback_request(path_brother_callback, &query,
1784 get_row_pointer_from_result, &pb);
1785 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1786 goto out_free;
1787 ret = 1;
1788 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1789 if (pad->flags & ADD_FLAG_VERBOSE)
1790 send_ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1791 goto out_free;
1792 }
1793 /* We still want to add this file. Compute its hash. */
1794 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, &fd);
1795 if (ret < 0)
1796 goto out_free;
1797 hash_function(map.data, map.size, hash);
1798
1799 /* Check whether the database contains a file with the same hash. */
1800 query.data = hash;
1801 query.size = HASH_SIZE;
1802 ret = send_callback_request(hash_sister_callback, &query,
1803 get_row_pointer_from_result, &hs);
1804 if (ret < 0)
1805 goto out_unmap;
1806 /* Return success if we already know this file. */
1807 ret = 1;
1808 if (pb && hs && hs == pb && !(pad->flags & ADD_FLAG_FORCE)) {
1809 if (pad->flags & ADD_FLAG_VERBOSE)
1810 send_ret = send_va_buffer(pad->fd,
1811 "%s exists, not forcing update\n", path);
1812 goto out_unmap;
1813 }
1814 /*
1815 * We won't recalculate the audio format info and the chunk table if
1816 * there is a hash sister and FORCE was not given.
1817 */
1818 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1819 ret = compute_afhi(path, map.data, map.size, fd, &afhi);
1820 if (ret < 0)
1821 goto out_unmap;
1822 format_num = ret;
1823 afhi_ptr = &afhi;
1824 }
1825 munmap(map.data, map.size);
1826 close(fd);
1827 if (pad->flags & ADD_FLAG_VERBOSE) {
1828 send_ret = send_va_buffer(pad->fd, "adding %s\n", path);
1829 if (send_ret < 0)
1830 goto out_free;
1831 }
1832 save_add_callback_buffer(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1833 /* Ask afs to consider this entry for adding. */
1834 ret = send_callback_request(com_add_callback, &obj, send_result, &pad->fd);
1835 goto out_free;
1836
1837 out_unmap:
1838 close(fd);
1839 munmap(map.data, map.size);
1840 out_free:
1841 if (ret < 0 && send_ret >= 0)
1842 send_ret = send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1843 para_strerror(-ret));
1844 free(obj.data);
1845 if (afhi_ptr) {
1846 free(afhi_ptr->chunk_table);
1847 free(afhi_ptr->info_string);
1848 }
1849 /* Stop adding files only on send errors. */
1850 return send_ret;
1851 }
1852
1853 int com_add(int fd, int argc, char * const * const argv)
1854 {
1855 int i, ret;
1856 struct private_add_data pad = {.fd = fd, .flags = 0};
1857 struct stat statbuf;
1858
1859 for (i = 1; i < argc; i++) {
1860 const char *arg = argv[i];
1861 if (arg[0] != '-')
1862 break;
1863 if (!strcmp(arg, "--")) {
1864 i++;
1865 break;
1866 }
1867 if (!strcmp(arg, "-a")) {
1868 pad.flags |= ADD_FLAG_ALL;
1869 continue;
1870 }
1871 if (!strcmp(arg, "-l")) {
1872 pad.flags |= ADD_FLAG_LAZY;
1873 continue;
1874 }
1875 if (!strcmp(arg, "-f")) {
1876 pad.flags |= ADD_FLAG_FORCE;
1877 continue;
1878 }
1879 if (!strcmp(arg, "-v")) {
1880 pad.flags |= ADD_FLAG_VERBOSE;
1881 continue;
1882 }
1883 }
1884 if (argc <= i)
1885 return -E_AFT_SYNTAX;
1886 for (; i < argc; i++) {
1887 char *path;
1888 ret = verify_path(argv[i], &path);
1889 if (ret < 0) {
1890 ret = send_va_buffer(fd, "%s: %s\n", argv[i],
1891 para_strerror(-ret));
1892 if (ret < 0)
1893 return ret;
1894 continue;
1895 }
1896 ret = stat(path, &statbuf);
1897 if (ret < 0) {
1898 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1899 strerror(errno));
1900 free(path);
1901 if (ret < 0)
1902 return ret;
1903 continue;
1904 }
1905 if (S_ISDIR(statbuf.st_mode))
1906 ret = for_each_file_in_dir(path, add_one_audio_file,
1907 &pad);
1908 else
1909 ret = add_one_audio_file(path, &pad);
1910 if (ret < 0) {
1911 send_va_buffer(fd, "%s: %s\n", path, para_strerror(-ret));
1912 free(path);
1913 return ret;
1914 }
1915 free(path);
1916 }
1917 return 1;
1918
1919 }
1920
1921 /**
1922 * Flags used by the touch command.
1923 *
1924 * \sa com_touch().
1925 */
1926 enum touch_flags {
1927 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1928 TOUCH_FLAG_FNM_PATHNAME = 1,
1929 /** Activates verbose mode. */
1930 TOUCH_FLAG_VERBOSE = 2
1931 };
1932
1933 /** Options used by com_touch(). */
1934 struct com_touch_options {
1935 /** New num_played value. */
1936 int32_t num_played;
1937 /** New last played count. */
1938 int64_t last_played;
1939 /** New lyrics id. */
1940 int32_t lyrics_id;
1941 /** New image id. */
1942 int32_t image_id;
1943 /** New amplification value. */
1944 int32_t amp;
1945 /** Command line flags (see \ref touch_flags). */
1946 unsigned flags;
1947 };
1948
1949 /** Data passed to the action handler of com_touch(). */
1950 struct touch_action_data {
1951 /** Command line options (see \ref com_touch_options). */
1952 struct com_touch_options *cto;
1953 /** Message buffer. */
1954 struct para_buffer pb;
1955 /** How many audio files matched the given pattern. */
1956 unsigned num_matches;
1957 };
1958
1959 static int touch_audio_file(__a_unused struct osl_table *table,
1960 struct osl_row *row, const char *name, void *data)
1961 {
1962 struct touch_action_data *tad = data;
1963 struct osl_object obj;
1964 struct afs_info old_afsi, new_afsi;
1965 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1966 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0 && tad->cto->amp < 0;
1967 struct afsi_change_event_data aced;
1968
1969 ret = get_afsi_object_of_row(row, &obj);
1970 if (ret < 0)
1971 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
1972 ret = load_afsi(&old_afsi, &obj);
1973 if (ret < 0)
1974 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
1975 new_afsi = old_afsi;
1976 if (no_options) {
1977 new_afsi.num_played++;
1978 new_afsi.last_played = time(NULL);
1979 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
1980 ret = para_printf(&tad->pb, "%s: num_played = %u, "
1981 "last_played = now()\n", name,
1982 new_afsi.num_played);
1983 if (ret < 0)
1984 return ret;
1985 }
1986 } else {
1987 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
1988 ret = para_printf(&tad->pb, "touching %s\n", name);
1989 if (ret < 0)
1990 return ret;
1991 }
1992 if (tad->cto->lyrics_id >= 0)
1993 new_afsi.lyrics_id = tad->cto->lyrics_id;
1994 if (tad->cto->image_id >= 0)
1995 new_afsi.image_id = tad->cto->image_id;
1996 if (tad->cto->num_played >= 0)
1997 new_afsi.num_played = tad->cto->num_played;
1998 if (tad->cto->last_played >= 0)
1999 new_afsi.last_played = tad->cto->last_played;
2000 if (tad->cto->amp >= 0)
2001 new_afsi.amp = tad->cto->amp;
2002 }
2003 tad->num_matches++;
2004 save_afsi(&new_afsi, &obj); /* in-place update */
2005 aced.aft_row = row;
2006 aced.old_afsi = &old_afsi;
2007 afs_event(AFSI_CHANGE, &tad->pb, &aced);
2008 return 1;
2009 }
2010
2011 static void com_touch_callback(int fd, const struct osl_object *query)
2012 {
2013 struct touch_action_data tad = {.cto = query->data,
2014 .pb = {
2015 .max_size = SHMMAX,
2016 .private_data = &fd,
2017 .max_size_handler = pass_buffer_as_shm
2018 }
2019 };
2020 int ret, ret2 = 0;
2021 struct pattern_match_data pmd = {
2022 .table = audio_file_table,
2023 .loop_col_num = AFTCOL_HASH,
2024 .match_col_num = AFTCOL_PATH,
2025 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
2026 .size = query->size - sizeof(*tad.cto)},
2027 .data = &tad,
2028 .action = touch_audio_file
2029 };
2030 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
2031 pmd.fnmatch_flags |= FNM_PATHNAME;
2032 ret = for_each_matching_row(&pmd);
2033 if (ret < 0)
2034 ret2 = para_printf(&tad.pb, "%s\n", para_strerror(-ret));
2035 else
2036 if (!tad.num_matches)
2037 ret2 = para_printf(&tad.pb, "no matches\n");
2038 if (ret2 >= 0 && tad.pb.offset)
2039 pass_buffer_as_shm(tad.pb.buf, tad.pb.offset, &fd);
2040 free(tad.pb.buf);
2041 }
2042
2043 int com_touch(int fd, int argc, char * const * const argv)
2044 {
2045 struct com_touch_options cto = {
2046 .num_played = -1,
2047 .last_played = -1,
2048 .lyrics_id = -1,
2049 .image_id = -1,
2050 .amp = -1,
2051 };
2052 struct osl_object query = {.data = &cto, .size = sizeof(cto)};
2053 int i, ret;
2054
2055
2056 for (i = 1; i < argc; i++) {
2057 const char *arg = argv[i];
2058 if (arg[0] != '-')
2059 break;
2060 if (!strcmp(arg, "--")) {
2061 i++;
2062 break;
2063 }
2064 if (!strncmp(arg, "-n", 2)) {
2065 ret = para_atoi32(arg + 2, &cto.num_played);
2066 if (ret < 0)
2067 return ret;
2068 continue;
2069 }
2070 if (!strncmp(arg, "-l", 2)) {
2071 ret = para_atoi64(arg + 2, &cto.last_played);
2072 if (ret < 0)
2073 return ret;
2074 continue;
2075 }
2076 if (!strncmp(arg, "-y", 2)) {
2077 ret = para_atoi32(arg + 2, &cto.lyrics_id);
2078 if (ret < 0)
2079 return ret;
2080 continue;
2081 }
2082 if (!strncmp(arg, "-i", 2)) {
2083 ret = para_atoi32(arg + 2, &cto.image_id);
2084 if (ret < 0)
2085 return ret;
2086 continue;
2087 }
2088 if (!strncmp(arg, "-a", 2)) {
2089 int32_t val;
2090 ret = para_atoi32(arg + 2, &val);
2091 if (ret < 0)
2092 return ret;
2093 if (val < 0 || val > 255)
2094 return -ERRNO_TO_PARA_ERROR(EINVAL);
2095 cto.amp = val;
2096 continue;
2097 }
2098 if (!strcmp(arg, "-p")) {
2099 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
2100 continue;
2101 }
2102 if (!strcmp(arg, "-v")) {
2103 cto.flags |= TOUCH_FLAG_VERBOSE;
2104 continue;
2105 }
2106 break; /* non-option starting with dash */
2107 }
2108 if (i >= argc)
2109 return -E_AFT_SYNTAX;
2110 ret = send_option_arg_callback_request(&query, argc - i,
2111 argv + i, com_touch_callback, send_result, &fd);
2112 if (ret < 0)
2113 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2114 return ret;
2115 }
2116
2117 /** Flags for com_rm(). */
2118 enum rm_flags {
2119 /** -v */
2120 RM_FLAG_VERBOSE = 1,
2121 /** -f */
2122 RM_FLAG_FORCE = 2,
2123 /** -p */
2124 RM_FLAG_FNM_PATHNAME = 4
2125 };
2126
2127 /** Data passed to the action handler of com_rm(). */
2128 struct com_rm_action_data {
2129 /** Command line flags ((see \ref rm_flags). */
2130 uint32_t flags;
2131 /** Message buffer. */
2132 struct para_buffer pb;
2133 /** Number of audio files removed. */
2134 unsigned num_removed;
2135 };
2136
2137 static int remove_audio_file(__a_unused struct osl_table *table,
2138 struct osl_row *row, const char *name, void *data)
2139 {
2140 struct com_rm_action_data *crd = data;
2141 int ret, ret2;
2142
2143 if (crd->flags & RM_FLAG_VERBOSE) {
2144 ret = para_printf(&crd->pb, "removing %s\n", name);
2145 if (ret < 0)
2146 return ret;
2147 }
2148 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2149 ret = osl_del_row(audio_file_table, row);
2150 if (ret < 0)
2151 ret2 = para_printf(&crd->pb, "%s: %s\n", name,
2152 para_strerror(-ret));
2153 else
2154 crd->num_removed++;
2155 return ret;
2156 }
2157
2158 static void com_rm_callback(int fd, const struct osl_object *query)
2159 {
2160 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data,
2161 .pb = {
2162 .max_size = SHMMAX,
2163 .private_data = &fd,
2164 .max_size_handler = pass_buffer_as_shm
2165 }
2166 };
2167 int ret;
2168 struct pattern_match_data pmd = {
2169 .table = audio_file_table,
2170 .loop_col_num = AFTCOL_HASH,
2171 .match_col_num = AFTCOL_PATH,
2172 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2173 .size = query->size - sizeof(uint32_t)},
2174 .data = &crd,
2175 .action = remove_audio_file
2176 };
2177 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2178 pmd.fnmatch_flags |= FNM_PATHNAME;
2179 ret = for_each_matching_row(&pmd);
2180 if (ret < 0) {
2181 ret = para_printf(&crd.pb, "%s\n", para_strerror(-ret));
2182 return;
2183 }
2184 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2185 ret = para_printf(&crd.pb, "no matches -- nothing removed\n");
2186 else {
2187 if (crd.flags & RM_FLAG_VERBOSE)
2188 ret = para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2189 }
2190 if (ret >= 0 && crd.pb.offset)
2191 pass_buffer_as_shm(crd.pb.buf, crd.pb.offset, &fd);
2192 free(crd.pb.buf);
2193 }
2194
2195 /* TODO options: -r (recursive) */
2196 int com_rm(int fd, int argc, char * const * const argv)
2197 {
2198 uint32_t flags = 0;
2199 struct osl_object query = {.data = &flags, .size = sizeof(flags)};
2200 int i, ret;
2201
2202 for (i = 1; i < argc; i++) {
2203 const char *arg = argv[i];
2204 if (arg[0] != '-')
2205 break;
2206 if (!strcmp(arg, "--")) {
2207 i++;
2208 break;
2209 }
2210 if (!strcmp(arg, "-f")) {
2211 flags |= RM_FLAG_FORCE;
2212 continue;
2213 }
2214 if (!strcmp(arg, "-p")) {
2215 flags |= RM_FLAG_FNM_PATHNAME;
2216 continue;
2217 }
2218 if (!strcmp(arg, "-v")) {
2219 flags |= RM_FLAG_VERBOSE;
2220 continue;
2221 }
2222 break;
2223 }
2224 if (i >= argc)
2225 return -E_AFT_SYNTAX;
2226 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2227 com_rm_callback, send_result, &fd);
2228 if (ret < 0)
2229 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2230 return ret;
2231 }
2232
2233 /**
2234 * Flags used by the cpsi command.
2235 *
2236 * \sa com_cpsi().
2237 */
2238 enum cpsi_flags {
2239 /** Whether the lyrics id should be copied. */
2240 CPSI_FLAG_COPY_LYRICS_ID = 1,
2241 /** Whether the image id should be copied. */
2242 CPSI_FLAG_COPY_IMAGE_ID = 2,
2243 /** Whether the lastplayed time should be copied. */
2244 CPSI_FLAG_COPY_LASTPLAYED = 4,
2245 /** Whether the numplayed count should be copied. */
2246 CPSI_FLAG_COPY_NUMPLAYED = 8,
2247 /** Whether the attributes should be copied. */
2248 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2249 /** Activates verbose mode. */
2250 CPSI_FLAG_VERBOSE = 32,
2251 };
2252
2253 /** Data passed to the action handler of com_cpsi(). */
2254 struct cpsi_action_data {
2255 /** command line flags (see \ref cpsi_flags). */
2256 unsigned flags;
2257 /** Number of audio files changed. */
2258 unsigned num_copied;
2259 /** Message buffer. */
2260 struct para_buffer pb;
2261 /** Values are copied from here. */
2262 struct afs_info source_afsi;
2263 };
2264
2265 static int copy_selector_info(__a_unused struct osl_table *table,
2266 struct osl_row *row, const char *name, void *data)
2267 {
2268 struct cpsi_action_data *cad = data;
2269 struct osl_object target_afsi_obj;
2270 int ret;
2271 struct afs_info old_afsi, target_afsi;
2272 struct afsi_change_event_data aced;
2273
2274 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2275 if (ret < 0)
2276 return ret;
2277 load_afsi(&target_afsi, &target_afsi_obj);
2278 old_afsi = target_afsi;
2279 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2280 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2281 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2282 target_afsi.image_id = cad->source_afsi.image_id;
2283 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2284 target_afsi.last_played = cad->source_afsi.last_played;
2285 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2286 target_afsi.num_played = cad->source_afsi.num_played;
2287 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2288 target_afsi.attributes = cad->source_afsi.attributes;
2289 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2290 cad->num_copied++;
2291 if (cad->flags & CPSI_FLAG_VERBOSE) {
2292 ret = para_printf(&cad->pb, "copied afsi to %s\n", name);
2293 if (ret < 0)
2294 return ret;
2295 }
2296 aced.aft_row = row;
2297 aced.old_afsi = &old_afsi;
2298 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2299 return 1;
2300 }
2301
2302 static void com_cpsi_callback(int fd, const struct osl_object *query)
2303 {
2304 struct cpsi_action_data cad = {
2305 .flags = *(unsigned *)query->data,
2306 .pb = {
2307 .max_size = SHMMAX,
2308 .private_data = &fd,
2309 .max_size_handler = pass_buffer_as_shm
2310 }
2311 };
2312 int ret;
2313 char *source_path = (char *)query->data + sizeof(cad.flags);
2314 struct pattern_match_data pmd = {
2315 .table = audio_file_table,
2316 .loop_col_num = AFTCOL_HASH,
2317 .match_col_num = AFTCOL_PATH,
2318 .patterns = {.data = source_path + strlen(source_path) + 1,
2319 .size = query->size - sizeof(cad.flags)
2320 - strlen(source_path) - 1},
2321 .data = &cad,
2322 .action = copy_selector_info
2323 };
2324
2325 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2326 if (ret < 0)
2327 goto out;
2328 ret = for_each_matching_row(&pmd);
2329 out:
2330 if (ret < 0)
2331 ret = para_printf(&cad.pb, "%s\n", para_strerror(-ret));
2332 else if (cad.flags & CPSI_FLAG_VERBOSE) {
2333 if (cad.num_copied)
2334 ret = para_printf(&cad.pb, "copied requested afsi from %s "
2335 "to %u files\n",
2336 source_path, cad.num_copied);
2337 else
2338 ret = para_printf(&cad.pb, "nothing copied\n");
2339 }
2340 if (cad.pb.offset)
2341 pass_buffer_as_shm(cad.pb.buf, cad.pb.offset, &fd);
2342 free(cad.pb.buf);
2343 }
2344
2345 int com_cpsi(int fd, int argc, char * const * const argv)
2346 {
2347 unsigned flags = 0;
2348 int i, ret;
2349 struct osl_object options = {.data = &flags, .size = sizeof(flags)};
2350
2351 for (i = 1; i < argc; i++) {
2352 const char *arg = argv[i];
2353 if (arg[0] != '-')
2354 break;
2355 if (!strcmp(arg, "--")) {
2356 i++;
2357 break;
2358 }
2359 if (!strcmp(arg, "-y")) {
2360 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2361 continue;
2362 }
2363 if (!strcmp(arg, "-i")) {
2364 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2365 continue;
2366 }
2367 if (!strcmp(arg, "-l")) {
2368 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2369 continue;
2370 }
2371 if (!strcmp(arg, "-n")) {
2372 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2373 continue;
2374 }
2375 if (!strcmp(arg, "-a")) {
2376 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2377 continue;
2378 }
2379 if (!strcmp(arg, "-v")) {
2380 flags |= CPSI_FLAG_VERBOSE;
2381 continue;
2382 }
2383 break;
2384 }
2385 if (i + 1 >= argc) /* need at least souce file and pattern */
2386 return -E_AFT_SYNTAX;
2387 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2388 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2389 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2390 com_cpsi_callback, send_result, &fd);
2391 if (ret < 0)
2392 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2393 return ret;
2394 }
2395
2396 /* TODO: optionally fix problems by removing offending rows */
2397 static int check_audio_file(struct osl_row *row, void *data)
2398 {
2399 char *path;
2400 struct para_buffer *pb = data;
2401 struct stat statbuf;
2402 int ret = get_audio_file_path_of_row(row, &path);
2403 struct afs_info afsi;
2404 char *blob_name;
2405
2406 if (ret < 0)
2407 return para_printf(pb, "%s\n", para_strerror(-ret));
2408 if (stat(path, &statbuf) < 0) {
2409 ret = para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2410 if (ret < 0)
2411 return ret;
2412 } else {
2413 if (!S_ISREG(statbuf.st_mode)) {
2414 ret = para_printf(pb, "%s: not a regular file\n", path);
2415 if (ret < 0)
2416 return ret;
2417 }
2418 }
2419 ret = get_afsi_of_row(row, &afsi);
2420 if (ret < 0)
2421 return para_printf(pb, "%s: %s\n", path, para_strerror(-ret));
2422 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2423 if (ret < 0) {
2424 ret = para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2425 para_strerror(-ret));
2426 if (ret < 0)
2427 return ret;
2428 }
2429 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2430 if (ret < 0)
2431 ret = para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2432 para_strerror(-ret));
2433 return ret;
2434 }
2435
2436 /**
2437 * Check the audio file table for inconsistencies.
2438 *
2439 * \param fd The afs socket.
2440 * \param query Unused.
2441 *
2442 * This function always succeeds.
2443 *
2444 * \sa com_check().
2445 */
2446 void aft_check_callback(int fd, __a_unused const struct osl_object *query)
2447 {
2448 struct para_buffer pb = {
2449 .max_size = SHMMAX,
2450 .private_data = &fd,
2451 .max_size_handler = pass_buffer_as_shm
2452 };
2453 int ret = para_printf(&pb, "checking audio file table...\n");
2454
2455 if (ret < 0)
2456 return;
2457 audio_file_loop(&pb, check_audio_file);
2458 if (pb.offset)
2459 pass_buffer_as_shm(pb.buf, pb.offset, &fd);
2460 free(pb.buf);
2461 }
2462
2463 /**
2464 * Close the audio file table.
2465 *
2466 * \param flags Usual flags that are passed to osl_close_table().
2467 *
2468 * \sa osl_close_table().
2469 */
2470 static void aft_close(void)
2471 {
2472 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2473 audio_file_table = NULL;
2474 }
2475
2476 /**
2477 * Open the audio file table.
2478 *
2479 * \param dir The database directory.
2480 *
2481 * \return Standard.
2482 *
2483 * \sa osl_open_table().
2484 */
2485 static int aft_open(const char *dir)
2486 {
2487 int ret;
2488
2489 audio_file_table_desc.dir = dir;
2490 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2491 if (ret >= 0) {
2492 unsigned num;
2493 osl_get_num_rows(audio_file_table, &num);
2494 PARA_INFO_LOG("audio file table contains %d files\n", num);
2495 return ret;
2496 }
2497 PARA_INFO_LOG("failed to open audio file table\n");
2498 audio_file_table = NULL;
2499 if (ret >= 0 || is_errno(-ret, ENOENT))
2500 return 1;
2501 return ret;
2502 }
2503
2504 static int aft_create(const char *dir)
2505 {
2506 audio_file_table_desc.dir = dir;
2507 return osl_create_table(&audio_file_table_desc);
2508 }
2509
2510 static int clear_attribute(struct osl_row *row, void *data)
2511 {
2512 struct rmatt_event_data *red = data;
2513 struct afs_info afsi;
2514 struct osl_object obj;
2515 int ret = get_afsi_object_of_row(row, &obj);
2516 uint64_t mask = ~(1ULL << red->bitnum);
2517
2518 if (ret < 0)
2519 return ret;
2520 ret = load_afsi(&afsi, &obj);
2521 if (ret < 0)
2522 return ret;
2523 afsi.attributes &= mask;
2524 save_afsi(&afsi, &obj);
2525 return 1;
2526 }
2527
2528 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2529 void *data)
2530 {
2531 int ret;
2532
2533 switch(event) {
2534 case ATTRIBUTE_REMOVE: {
2535 const struct rmatt_event_data *red = data;
2536 ret = para_printf(pb, "clearing attribute %s (bit %u) from all "
2537 "entries in the audio file table\n", red->name,
2538 red->bitnum);
2539 if (ret < 0)
2540 return ret;
2541 return audio_file_loop(data, clear_attribute);
2542 }
2543 default:
2544 return 1;
2545 }
2546 }
2547
2548 void aft_init(struct afs_table *t)
2549 {
2550 t->name = audio_file_table_desc.name;
2551 t->open = aft_open;
2552 t->close = aft_close;
2553 t->create = aft_create;
2554 t->event_handler = aft_event_handler;
2555 }