Fix various dead stores found by the clang static analyzer.
[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 ((_tmp)) \
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 if (!opts->num_matching_paths)
1312 goto out;
1313 ret = sort_matching_paths(opts);
1314 if (ret < 0)
1315 goto out;
1316 time(&current_time);
1317 if (opts->flags & LS_FLAG_REVERSE)
1318 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1319 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1320 if (ret < 0)
1321 goto out;
1322 }
1323 else
1324 for (i = 0; i < opts->num_matching_paths; i++) {
1325 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1326 if (ret < 0)
1327 goto out;
1328 }
1329 out:
1330 if (b.offset)
1331 pass_buffer_as_shm(b.buf, b.offset, &fd);
1332 free(b.buf);
1333 free(opts->data);
1334 free(opts->data_ptr);
1335 free(opts->patterns);
1336 }
1337
1338 /*
1339 * TODO: flags -h (sort by hash)
1340 */
1341 int com_ls(int fd, int argc, char * const * const argv)
1342 {
1343 int i, ret;
1344 unsigned flags = 0;
1345 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1346 enum ls_listing_mode mode = LS_MODE_SHORT;
1347 struct ls_options opts = {.patterns = NULL};
1348 struct osl_object query = {.data = &opts, .size = sizeof(opts)};
1349
1350 for (i = 1; i < argc; i++) {
1351 const char *arg = argv[i];
1352 if (arg[0] != '-')
1353 break;
1354 if (!strcmp(arg, "--")) {
1355 i++;
1356 break;
1357 }
1358 if (!strncmp(arg, "-l", 2)) {
1359 if (!*(arg + 2)) {
1360 mode = LS_MODE_LONG;
1361 continue;
1362 }
1363 if (*(arg + 3))
1364 return -E_AFT_SYNTAX;
1365 switch(*(arg + 2)) {
1366 case 's':
1367 mode = LS_MODE_SHORT;
1368 continue;
1369 case 'l':
1370 mode = LS_MODE_LONG;
1371 continue;
1372 case 'v':
1373 mode = LS_MODE_VERBOSE;
1374 continue;
1375 case 'm':
1376 mode = LS_MODE_MBOX;
1377 continue;
1378 case 'c':
1379 mode = LS_MODE_CHUNKS;
1380 continue;
1381 default:
1382 return -E_AFT_SYNTAX;
1383 }
1384 }
1385 if (!strcmp(arg, "-p")) {
1386 flags |= LS_FLAG_FULL_PATH;
1387 continue;
1388 }
1389 if (!strcmp(arg, "-a")) {
1390 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1391 continue;
1392 }
1393 if (!strcmp(arg, "-r")) {
1394 flags |= LS_FLAG_REVERSE;
1395 continue;
1396 }
1397 if (!strncmp(arg, "-s", 2)) {
1398 if (!*(arg + 2) || *(arg + 3))
1399 return -E_AFT_SYNTAX;
1400 switch(*(arg + 2)) {
1401 case 'p':
1402 sort = LS_SORT_BY_PATH;
1403 continue;
1404 case 's': /* -ss implies -a */
1405 sort = LS_SORT_BY_SCORE;
1406 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1407 continue;
1408 case 'l':
1409 sort = LS_SORT_BY_LAST_PLAYED;
1410 continue;
1411 case 'n':
1412 sort = LS_SORT_BY_NUM_PLAYED;
1413 continue;
1414 case 'f':
1415 sort = LS_SORT_BY_FREQUENCY;
1416 continue;
1417 case 'c':
1418 sort = LS_SORT_BY_CHANNELS;
1419 continue;
1420 case 'i':
1421 sort = LS_SORT_BY_IMAGE_ID;
1422 continue;
1423 case 'y':
1424 sort = LS_SORT_BY_LYRICS_ID;
1425 continue;
1426 case 'b':
1427 sort = LS_SORT_BY_BITRATE;
1428 continue;
1429 case 'd':
1430 sort = LS_SORT_BY_DURATION;
1431 continue;
1432 case 'a':
1433 sort = LS_SORT_BY_AUDIO_FORMAT;
1434 continue;
1435 default:
1436 return -E_AFT_SYNTAX;
1437 }
1438 }
1439 return -E_AFT_SYNTAX;
1440 }
1441 opts.flags = flags;
1442 opts.sorting = sort;
1443 opts.mode = mode;
1444 opts.num_patterns = argc - i;
1445 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1446 argv + i, com_ls_callback, send_result, &fd);
1447 return ret;
1448 }
1449
1450 /**
1451 * Call the given function for each file in the audio file table.
1452 *
1453 * \param private_data An arbitrary data pointer, passed to \a func.
1454 * \param func The custom function to be called.
1455 *
1456 * \return The return value of the underlying call to osl_rbtree_loop().
1457 */
1458 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1459 {
1460 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1461 func);
1462 }
1463
1464 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1465 {
1466 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1467 struct osl_row *row;
1468
1469 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1470 return row;
1471 }
1472
1473 /** The format of the data stored by save_audio_file_data(). */
1474 enum com_add_buffer_offsets {
1475 /** afhi (if present) starts here. */
1476 CAB_AFHI_OFFSET_POS = 0,
1477 /** Start of the chunk table (if present). */
1478 CAB_CHUNKS_OFFSET_POS = 2,
1479 /** Audio format id. */
1480 CAB_AUDIO_FORMAT_OFFSET = 4,
1481 /** Flags given to the add command. */
1482 CAB_FLAGS_OFFSET = 5,
1483 /** The hash of the audio file being added. */
1484 CAB_HASH_OFFSET = 9,
1485 /** Start of the path of the audio file. */
1486 CAB_PATH_OFFSET = (CAB_HASH_OFFSET + HASH_SIZE),
1487 };
1488
1489 /*
1490 * Store the given data to a single buffer. Doesn't need the audio file selector
1491 * info struct as the server knows it as well.
1492 *
1493 * It's OK to call this with afhi == NULL. In this case, the audio format
1494 * handler info won't be stored in the buffer.
1495 */
1496 static void save_add_callback_buffer(HASH_TYPE *hash, const char *path,
1497 struct afh_info *afhi, uint32_t flags,
1498 uint8_t audio_format_num, struct osl_object *obj)
1499 {
1500 size_t path_len = strlen(path) + 1;
1501 size_t afhi_size = sizeof_afhi_buf(afhi);
1502 size_t size = CAB_PATH_OFFSET + path_len + afhi_size
1503 + sizeof_chunk_table(afhi);
1504 char *buf = para_malloc(size);
1505 uint16_t pos;
1506
1507 write_u8(buf + CAB_AUDIO_FORMAT_OFFSET, audio_format_num);
1508 write_u32(buf + CAB_FLAGS_OFFSET, flags);
1509
1510 memcpy(buf + CAB_HASH_OFFSET, hash, HASH_SIZE);
1511 strcpy(buf + CAB_PATH_OFFSET, path);
1512
1513 pos = CAB_PATH_OFFSET + path_len;
1514 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1515 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1516 pos + afhi_size - 1);
1517 write_u16(buf + CAB_AFHI_OFFSET_POS, pos);
1518 save_afhi(afhi, buf + pos);
1519
1520 pos += afhi_size;
1521 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1522 write_u16(buf + CAB_CHUNKS_OFFSET_POS, pos);
1523 if (afhi)
1524 save_chunk_table(afhi, buf + pos);
1525 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1526 obj->data = buf;
1527 obj->size = size;
1528 }
1529
1530 /*
1531
1532 Overview of the add command.
1533
1534 Input: What was passed to the callback by the command handler.
1535 ~~~~~~
1536 HS: Hash sister. Whether an audio file with identical hash
1537 already exists in the osl database.
1538
1539 PB: Path brother. Whether a file with the given path exists
1540 in the table.
1541
1542 F: Force flag given. Whether add was called with -f.
1543
1544 output: Action performed by the callback.
1545 ~~~~~~~
1546 AFHI: Whether afhi and chunk table are computed and sent.
1547 ACTION: Table modifications to be done by the callback.
1548
1549 +----+----+---+------+---------------------------------------------------+
1550 | HS | PB | F | AFHI | ACTION
1551 +----+----+---+------+---------------------------------------------------+
1552 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1553 | | update path, keep afsi
1554 +----+----+---+------+---------------------------------------------------+
1555 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1556 | | otherwise: remove PB, HS: update path, keep afhi,
1557 | | afsi.
1558 +----+----+---+------+---------------------------------------------------+
1559 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1560 | | HS, keep afsi
1561 +----+----+---+------+---------------------------------------------------+
1562 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1563 +----+----+---+------+---------------------------------------------------+
1564 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1565 | | (force has no effect)
1566 +----+----+---+------+---------------------------------------------------+
1567 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1568 +----+----+---+------+---------------------------------------------------+
1569 | N | N | Y | Y | (new file) create new entry (force has no effect)
1570 +----+----+---+------+---------------------------------------------------+
1571 | N | N | N | Y | (new file) create new entry
1572 +----+----+---+------+---------------------------------------------------+
1573
1574 Notes:
1575
1576 afhi <=> force or no HS
1577 F => AFHI
1578
1579 */
1580
1581 /** Flags passed to the add command. */
1582 enum com_add_flags {
1583 /** Skip paths that exist already. */
1584 ADD_FLAG_LAZY = 1,
1585 /** Force adding. */
1586 ADD_FLAG_FORCE = 2,
1587 /** Print what is being done. */
1588 ADD_FLAG_VERBOSE = 4,
1589 /** Try to add files with unknown suffixes. */
1590 ADD_FLAG_ALL = 8,
1591 };
1592
1593 static void com_add_callback(int fd, const struct osl_object *query)
1594 {
1595 char *buf = query->data, *path;
1596 struct osl_row *pb, *aft_row;
1597 struct osl_row *hs;
1598 struct osl_object objs[NUM_AFT_COLUMNS];
1599 HASH_TYPE *hash;
1600 char asc[2 * HASH_SIZE + 1];
1601 int ret;
1602 char afsi_buf[AFSI_SIZE];
1603 uint32_t flags = read_u32(buf + CAB_FLAGS_OFFSET);
1604 struct afs_info default_afsi = {.last_played = 0};
1605 struct para_buffer msg = {.max_size = SHMMAX,
1606 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1607 uint16_t afhi_offset, chunks_offset;
1608
1609 hash = (HASH_TYPE *)buf + CAB_HASH_OFFSET;
1610 hash_to_asc(hash, asc);;
1611 objs[AFTCOL_HASH].data = buf + CAB_HASH_OFFSET;
1612 objs[AFTCOL_HASH].size = HASH_SIZE;
1613
1614 path = buf + CAB_PATH_OFFSET;
1615 objs[AFTCOL_PATH].data = path;
1616 objs[AFTCOL_PATH].size = strlen(path) + 1;
1617
1618 PARA_INFO_LOG("request to add %s\n", path);
1619 hs = find_hash_sister(hash);
1620 ret = aft_get_row_of_path(path, &pb);
1621 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1622 goto out;
1623 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1624 if (flags & ADD_FLAG_VERBOSE)
1625 ret = para_printf(&msg, "ignoring duplicate\n");
1626 else
1627 ret = 1;
1628 goto out;
1629 }
1630 if (hs && hs != pb) {
1631 struct osl_object obj;
1632 if (pb) { /* hs trumps pb, remove pb */
1633 if (flags & ADD_FLAG_VERBOSE) {
1634 ret = para_printf(&msg, "removing path brother\n");
1635 if (ret < 0)
1636 goto out;
1637 }
1638 ret = osl_del_row(audio_file_table, pb);
1639 if (ret < 0)
1640 goto out;
1641 pb = NULL;
1642 }
1643 /* file rename, update hs' path */
1644 if (flags & ADD_FLAG_VERBOSE) {
1645 ret = osl_get_object(audio_file_table, hs,
1646 AFTCOL_PATH, &obj);
1647 if (ret < 0)
1648 goto out;
1649 ret = para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1650 if (ret < 0)
1651 goto out;
1652 }
1653 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1654 &objs[AFTCOL_PATH]);
1655 if (ret < 0)
1656 goto out;
1657 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1658 if (!(flags & ADD_FLAG_FORCE))
1659 goto out;
1660 }
1661 /* no hs or force mode, child must have sent afhi */
1662 afhi_offset = read_u16(buf + CAB_AFHI_OFFSET_POS);
1663 chunks_offset = read_u16(buf + CAB_CHUNKS_OFFSET_POS);
1664
1665 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1666 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1667 ret = -E_NO_AFHI;
1668 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1669 goto out;
1670 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1671 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1672 if (pb && !hs) { /* update pb's hash */
1673 char old_asc[2 * HASH_SIZE + 1];
1674 HASH_TYPE *old_hash;
1675 ret = get_hash_of_row(pb, &old_hash);
1676 if (ret < 0)
1677 goto out;
1678 hash_to_asc(old_hash, old_asc);
1679 if (flags & ADD_FLAG_VERBOSE) {
1680 ret = para_printf(&msg, "file change: %s -> %s\n",
1681 old_asc, asc);
1682 if (ret < 0)
1683 goto out;
1684 }
1685 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1686 &objs[AFTCOL_HASH]);
1687 if (ret < 0)
1688 goto out;
1689 }
1690 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1691 struct osl_row *row = pb? pb : hs;
1692 /* update afhi and chunk_table */
1693 if (flags & ADD_FLAG_VERBOSE) {
1694 ret = para_printf(&msg, "updating afhi and chunk table\n");
1695 if (ret < 0)
1696 goto out;
1697 }
1698 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1699 &objs[AFTCOL_AFHI]);
1700 if (ret < 0)
1701 goto out;
1702 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1703 &objs[AFTCOL_CHUNKS]);
1704 if (ret < 0)
1705 goto out;
1706 afs_event(AFHI_CHANGE, &msg, row);
1707 goto out;
1708 }
1709 /* new entry, use default afsi */
1710 if (flags & ADD_FLAG_VERBOSE) {
1711 ret = para_printf(&msg, "new file\n");
1712 if (ret < 0)
1713 goto out;
1714 }
1715 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1716 default_afsi.audio_format_id = read_u8(buf + CAB_AUDIO_FORMAT_OFFSET);
1717
1718 objs[AFTCOL_AFSI].data = &afsi_buf;
1719 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1720 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1721 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1722 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1723 out:
1724 if (ret < 0)
1725 para_printf(&msg, "%s\n", para_strerror(-ret));
1726 if (msg.offset)
1727 pass_buffer_as_shm(msg.buf, msg.offset, &fd);
1728 free(msg.buf);
1729 }
1730
1731 /** Used by com_add(). */
1732 struct private_add_data {
1733 /** The socket file descriptor. */
1734 int fd;
1735 /** The given add flags. */
1736 uint32_t flags;
1737 };
1738
1739 static void path_brother_callback(int fd, const struct osl_object *query)
1740 {
1741 char *path = query->data;
1742 struct osl_row *path_brother;
1743 int ret = aft_get_row_of_path(path, &path_brother);
1744 if (ret < 0)
1745 return;
1746 pass_buffer_as_shm((char *)&path_brother, sizeof(path_brother), &fd);
1747 }
1748
1749 static void hash_sister_callback(int fd, const struct osl_object *query)
1750 {
1751 HASH_TYPE *hash = query->data;
1752 struct osl_row *hash_sister;
1753
1754 hash_sister = find_hash_sister(hash);
1755 if (!hash_sister)
1756 return;
1757 pass_buffer_as_shm((char *)&hash_sister, sizeof(hash_sister), &fd);
1758 }
1759
1760 static int get_row_pointer_from_result(struct osl_object *result, void *private)
1761 {
1762 struct osl_row **row = private;
1763 *row = result->data;
1764 return 1;
1765 }
1766
1767 static int add_one_audio_file(const char *path, void *private_data)
1768 {
1769 int ret, send_ret = 1, fd;
1770 uint8_t format_num = -1;
1771 struct private_add_data *pad = private_data;
1772 struct afh_info afhi, *afhi_ptr = NULL;
1773 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1774 struct osl_object map, obj = {.data = NULL}, query;
1775 HASH_TYPE hash[HASH_SIZE];
1776
1777 ret = guess_audio_format(path);
1778 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1779 goto out_free;
1780 query.data = (char *)path;
1781 query.size = strlen(path) + 1;
1782 ret = send_callback_request(path_brother_callback, &query,
1783 get_row_pointer_from_result, &pb);
1784 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1785 goto out_free;
1786 ret = 1;
1787 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1788 if (pad->flags & ADD_FLAG_VERBOSE)
1789 send_ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1790 goto out_free;
1791 }
1792 /* We still want to add this file. Compute its hash. */
1793 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, &fd);
1794 if (ret < 0)
1795 goto out_free;
1796 hash_function(map.data, map.size, hash);
1797
1798 /* Check whether the database contains a file with the same hash. */
1799 query.data = hash;
1800 query.size = HASH_SIZE;
1801 ret = send_callback_request(hash_sister_callback, &query,
1802 get_row_pointer_from_result, &hs);
1803 if (ret < 0)
1804 goto out_unmap;
1805 /* Return success if we already know this file. */
1806 ret = 1;
1807 if (pb && hs && hs == pb && !(pad->flags & ADD_FLAG_FORCE)) {
1808 if (pad->flags & ADD_FLAG_VERBOSE)
1809 send_ret = send_va_buffer(pad->fd,
1810 "%s exists, not forcing update\n", path);
1811 goto out_unmap;
1812 }
1813 /*
1814 * We won't recalculate the audio format info and the chunk table if
1815 * there is a hash sister and FORCE was not given.
1816 */
1817 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1818 ret = compute_afhi(path, map.data, map.size, fd, &afhi);
1819 if (ret < 0)
1820 goto out_unmap;
1821 format_num = ret;
1822 afhi_ptr = &afhi;
1823 }
1824 munmap(map.data, map.size);
1825 close(fd);
1826 if (pad->flags & ADD_FLAG_VERBOSE) {
1827 send_ret = send_va_buffer(pad->fd, "adding %s\n", path);
1828 if (send_ret < 0)
1829 goto out_free;
1830 }
1831 save_add_callback_buffer(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1832 /* Ask afs to consider this entry for adding. */
1833 ret = send_callback_request(com_add_callback, &obj, send_result, &pad->fd);
1834 goto out_free;
1835
1836 out_unmap:
1837 close(fd);
1838 munmap(map.data, map.size);
1839 out_free:
1840 if (ret < 0 && send_ret >= 0)
1841 send_ret = send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1842 para_strerror(-ret));
1843 free(obj.data);
1844 if (afhi_ptr) {
1845 free(afhi_ptr->chunk_table);
1846 free(afhi_ptr->info_string);
1847 }
1848 /* Stop adding files only on send errors. */
1849 return send_ret;
1850 }
1851
1852 int com_add(int fd, int argc, char * const * const argv)
1853 {
1854 int i, ret;
1855 struct private_add_data pad = {.fd = fd, .flags = 0};
1856 struct stat statbuf;
1857
1858 for (i = 1; i < argc; i++) {
1859 const char *arg = argv[i];
1860 if (arg[0] != '-')
1861 break;
1862 if (!strcmp(arg, "--")) {
1863 i++;
1864 break;
1865 }
1866 if (!strcmp(arg, "-a")) {
1867 pad.flags |= ADD_FLAG_ALL;
1868 continue;
1869 }
1870 if (!strcmp(arg, "-l")) {
1871 pad.flags |= ADD_FLAG_LAZY;
1872 continue;
1873 }
1874 if (!strcmp(arg, "-f")) {
1875 pad.flags |= ADD_FLAG_FORCE;
1876 continue;
1877 }
1878 if (!strcmp(arg, "-v")) {
1879 pad.flags |= ADD_FLAG_VERBOSE;
1880 continue;
1881 }
1882 }
1883 if (argc <= i)
1884 return -E_AFT_SYNTAX;
1885 for (; i < argc; i++) {
1886 char *path;
1887 ret = verify_path(argv[i], &path);
1888 if (ret < 0) {
1889 ret = send_va_buffer(fd, "%s: %s\n", argv[i],
1890 para_strerror(-ret));
1891 if (ret < 0)
1892 return ret;
1893 continue;
1894 }
1895 ret = stat(path, &statbuf);
1896 if (ret < 0) {
1897 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1898 strerror(errno));
1899 free(path);
1900 if (ret < 0)
1901 return ret;
1902 continue;
1903 }
1904 if (S_ISDIR(statbuf.st_mode))
1905 ret = for_each_file_in_dir(path, add_one_audio_file,
1906 &pad);
1907 else
1908 ret = add_one_audio_file(path, &pad);
1909 if (ret < 0) {
1910 send_va_buffer(fd, "%s: %s\n", path, para_strerror(-ret));
1911 free(path);
1912 return ret;
1913 }
1914 free(path);
1915 }
1916 return 1;
1917
1918 }
1919
1920 /**
1921 * Flags used by the touch command.
1922 *
1923 * \sa com_touch().
1924 */
1925 enum touch_flags {
1926 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1927 TOUCH_FLAG_FNM_PATHNAME = 1,
1928 /** Activates verbose mode. */
1929 TOUCH_FLAG_VERBOSE = 2
1930 };
1931
1932 /** Options used by com_touch(). */
1933 struct com_touch_options {
1934 /** New num_played value. */
1935 int32_t num_played;
1936 /** New last played count. */
1937 int64_t last_played;
1938 /** New lyrics id. */
1939 int32_t lyrics_id;
1940 /** New image id. */
1941 int32_t image_id;
1942 /** New amplification value. */
1943 int32_t amp;
1944 /** Command line flags (see \ref touch_flags). */
1945 unsigned flags;
1946 };
1947
1948 /** Data passed to the action handler of com_touch(). */
1949 struct touch_action_data {
1950 /** Command line options (see \ref com_touch_options). */
1951 struct com_touch_options *cto;
1952 /** Message buffer. */
1953 struct para_buffer pb;
1954 /** How many audio files matched the given pattern. */
1955 unsigned num_matches;
1956 };
1957
1958 static int touch_audio_file(__a_unused struct osl_table *table,
1959 struct osl_row *row, const char *name, void *data)
1960 {
1961 struct touch_action_data *tad = data;
1962 struct osl_object obj;
1963 struct afs_info old_afsi, new_afsi;
1964 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1965 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0 && tad->cto->amp < 0;
1966 struct afsi_change_event_data aced;
1967
1968 ret = get_afsi_object_of_row(row, &obj);
1969 if (ret < 0)
1970 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
1971 ret = load_afsi(&old_afsi, &obj);
1972 if (ret < 0)
1973 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
1974 new_afsi = old_afsi;
1975 if (no_options) {
1976 new_afsi.num_played++;
1977 new_afsi.last_played = time(NULL);
1978 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
1979 ret = para_printf(&tad->pb, "%s: num_played = %u, "
1980 "last_played = now()\n", name,
1981 new_afsi.num_played);
1982 if (ret < 0)
1983 return ret;
1984 }
1985 } else {
1986 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
1987 ret = para_printf(&tad->pb, "touching %s\n", name);
1988 if (ret < 0)
1989 return ret;
1990 }
1991 if (tad->cto->lyrics_id >= 0)
1992 new_afsi.lyrics_id = tad->cto->lyrics_id;
1993 if (tad->cto->image_id >= 0)
1994 new_afsi.image_id = tad->cto->image_id;
1995 if (tad->cto->num_played >= 0)
1996 new_afsi.num_played = tad->cto->num_played;
1997 if (tad->cto->last_played >= 0)
1998 new_afsi.last_played = tad->cto->last_played;
1999 if (tad->cto->amp >= 0)
2000 new_afsi.amp = tad->cto->amp;
2001 }
2002 tad->num_matches++;
2003 save_afsi(&new_afsi, &obj); /* in-place update */
2004 aced.aft_row = row;
2005 aced.old_afsi = &old_afsi;
2006 afs_event(AFSI_CHANGE, &tad->pb, &aced);
2007 return 1;
2008 }
2009
2010 static void com_touch_callback(int fd, const struct osl_object *query)
2011 {
2012 struct touch_action_data tad = {.cto = query->data,
2013 .pb = {
2014 .max_size = SHMMAX,
2015 .private_data = &fd,
2016 .max_size_handler = pass_buffer_as_shm
2017 }
2018 };
2019 int ret, ret2 = 0;
2020 struct pattern_match_data pmd = {
2021 .table = audio_file_table,
2022 .loop_col_num = AFTCOL_HASH,
2023 .match_col_num = AFTCOL_PATH,
2024 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
2025 .size = query->size - sizeof(*tad.cto)},
2026 .data = &tad,
2027 .action = touch_audio_file
2028 };
2029 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
2030 pmd.fnmatch_flags |= FNM_PATHNAME;
2031 ret = for_each_matching_row(&pmd);
2032 if (ret < 0)
2033 ret2 = para_printf(&tad.pb, "%s\n", para_strerror(-ret));
2034 else
2035 if (!tad.num_matches)
2036 ret2 = para_printf(&tad.pb, "no matches\n");
2037 if (ret2 >= 0 && tad.pb.offset)
2038 pass_buffer_as_shm(tad.pb.buf, tad.pb.offset, &fd);
2039 free(tad.pb.buf);
2040 }
2041
2042 int com_touch(int fd, int argc, char * const * const argv)
2043 {
2044 struct com_touch_options cto = {
2045 .num_played = -1,
2046 .last_played = -1,
2047 .lyrics_id = -1,
2048 .image_id = -1,
2049 .amp = -1,
2050 };
2051 struct osl_object query = {.data = &cto, .size = sizeof(cto)};
2052 int i, ret;
2053
2054
2055 for (i = 1; i < argc; i++) {
2056 const char *arg = argv[i];
2057 if (arg[0] != '-')
2058 break;
2059 if (!strcmp(arg, "--")) {
2060 i++;
2061 break;
2062 }
2063 if (!strncmp(arg, "-n", 2)) {
2064 ret = para_atoi32(arg + 2, &cto.num_played);
2065 if (ret < 0)
2066 return ret;
2067 continue;
2068 }
2069 if (!strncmp(arg, "-l", 2)) {
2070 ret = para_atoi64(arg + 2, &cto.last_played);
2071 if (ret < 0)
2072 return ret;
2073 continue;
2074 }
2075 if (!strncmp(arg, "-y", 2)) {
2076 ret = para_atoi32(arg + 2, &cto.lyrics_id);
2077 if (ret < 0)
2078 return ret;
2079 continue;
2080 }
2081 if (!strncmp(arg, "-i", 2)) {
2082 ret = para_atoi32(arg + 2, &cto.image_id);
2083 if (ret < 0)
2084 return ret;
2085 continue;
2086 }
2087 if (!strncmp(arg, "-a", 2)) {
2088 int32_t val;
2089 ret = para_atoi32(arg + 2, &val);
2090 if (ret < 0)
2091 return ret;
2092 if (val < 0 || val > 255)
2093 return -ERRNO_TO_PARA_ERROR(EINVAL);
2094 cto.amp = val;
2095 continue;
2096 }
2097 if (!strcmp(arg, "-p")) {
2098 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
2099 continue;
2100 }
2101 if (!strcmp(arg, "-v")) {
2102 cto.flags |= TOUCH_FLAG_VERBOSE;
2103 continue;
2104 }
2105 break; /* non-option starting with dash */
2106 }
2107 if (i >= argc)
2108 return -E_AFT_SYNTAX;
2109 ret = send_option_arg_callback_request(&query, argc - i,
2110 argv + i, com_touch_callback, send_result, &fd);
2111 if (ret < 0)
2112 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2113 return ret;
2114 }
2115
2116 /** Flags for com_rm(). */
2117 enum rm_flags {
2118 /** -v */
2119 RM_FLAG_VERBOSE = 1,
2120 /** -f */
2121 RM_FLAG_FORCE = 2,
2122 /** -p */
2123 RM_FLAG_FNM_PATHNAME = 4
2124 };
2125
2126 /** Data passed to the action handler of com_rm(). */
2127 struct com_rm_action_data {
2128 /** Command line flags ((see \ref rm_flags). */
2129 uint32_t flags;
2130 /** Message buffer. */
2131 struct para_buffer pb;
2132 /** Number of audio files removed. */
2133 unsigned num_removed;
2134 };
2135
2136 static int remove_audio_file(__a_unused struct osl_table *table,
2137 struct osl_row *row, const char *name, void *data)
2138 {
2139 struct com_rm_action_data *crd = data;
2140 int ret;
2141
2142 if (crd->flags & RM_FLAG_VERBOSE) {
2143 ret = para_printf(&crd->pb, "removing %s\n", name);
2144 if (ret < 0)
2145 return ret;
2146 }
2147 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2148 ret = osl_del_row(audio_file_table, row);
2149 if (ret < 0)
2150 para_printf(&crd->pb, "%s: %s\n", name, para_strerror(-ret));
2151 else
2152 crd->num_removed++;
2153 return ret;
2154 }
2155
2156 static void com_rm_callback(int fd, const struct osl_object *query)
2157 {
2158 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data,
2159 .pb = {
2160 .max_size = SHMMAX,
2161 .private_data = &fd,
2162 .max_size_handler = pass_buffer_as_shm
2163 }
2164 };
2165 int ret;
2166 struct pattern_match_data pmd = {
2167 .table = audio_file_table,
2168 .loop_col_num = AFTCOL_HASH,
2169 .match_col_num = AFTCOL_PATH,
2170 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2171 .size = query->size - sizeof(uint32_t)},
2172 .data = &crd,
2173 .action = remove_audio_file
2174 };
2175 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2176 pmd.fnmatch_flags |= FNM_PATHNAME;
2177 ret = for_each_matching_row(&pmd);
2178 if (ret < 0) {
2179 para_printf(&crd.pb, "%s\n", para_strerror(-ret));
2180 return;
2181 }
2182 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2183 ret = para_printf(&crd.pb, "no matches -- nothing removed\n");
2184 else {
2185 if (crd.flags & RM_FLAG_VERBOSE)
2186 ret = para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2187 }
2188 if (ret >= 0 && crd.pb.offset)
2189 pass_buffer_as_shm(crd.pb.buf, crd.pb.offset, &fd);
2190 free(crd.pb.buf);
2191 }
2192
2193 /* TODO options: -r (recursive) */
2194 int com_rm(int fd, int argc, char * const * const argv)
2195 {
2196 uint32_t flags = 0;
2197 struct osl_object query = {.data = &flags, .size = sizeof(flags)};
2198 int i, ret;
2199
2200 for (i = 1; i < argc; i++) {
2201 const char *arg = argv[i];
2202 if (arg[0] != '-')
2203 break;
2204 if (!strcmp(arg, "--")) {
2205 i++;
2206 break;
2207 }
2208 if (!strcmp(arg, "-f")) {
2209 flags |= RM_FLAG_FORCE;
2210 continue;
2211 }
2212 if (!strcmp(arg, "-p")) {
2213 flags |= RM_FLAG_FNM_PATHNAME;
2214 continue;
2215 }
2216 if (!strcmp(arg, "-v")) {
2217 flags |= RM_FLAG_VERBOSE;
2218 continue;
2219 }
2220 break;
2221 }
2222 if (i >= argc)
2223 return -E_AFT_SYNTAX;
2224 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2225 com_rm_callback, send_result, &fd);
2226 if (ret < 0)
2227 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2228 return ret;
2229 }
2230
2231 /**
2232 * Flags used by the cpsi command.
2233 *
2234 * \sa com_cpsi().
2235 */
2236 enum cpsi_flags {
2237 /** Whether the lyrics id should be copied. */
2238 CPSI_FLAG_COPY_LYRICS_ID = 1,
2239 /** Whether the image id should be copied. */
2240 CPSI_FLAG_COPY_IMAGE_ID = 2,
2241 /** Whether the lastplayed time should be copied. */
2242 CPSI_FLAG_COPY_LASTPLAYED = 4,
2243 /** Whether the numplayed count should be copied. */
2244 CPSI_FLAG_COPY_NUMPLAYED = 8,
2245 /** Whether the attributes should be copied. */
2246 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2247 /** Activates verbose mode. */
2248 CPSI_FLAG_VERBOSE = 32,
2249 };
2250
2251 /** Data passed to the action handler of com_cpsi(). */
2252 struct cpsi_action_data {
2253 /** command line flags (see \ref cpsi_flags). */
2254 unsigned flags;
2255 /** Number of audio files changed. */
2256 unsigned num_copied;
2257 /** Message buffer. */
2258 struct para_buffer pb;
2259 /** Values are copied from here. */
2260 struct afs_info source_afsi;
2261 };
2262
2263 static int copy_selector_info(__a_unused struct osl_table *table,
2264 struct osl_row *row, const char *name, void *data)
2265 {
2266 struct cpsi_action_data *cad = data;
2267 struct osl_object target_afsi_obj;
2268 int ret;
2269 struct afs_info old_afsi, target_afsi;
2270 struct afsi_change_event_data aced;
2271
2272 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2273 if (ret < 0)
2274 return ret;
2275 load_afsi(&target_afsi, &target_afsi_obj);
2276 old_afsi = target_afsi;
2277 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2278 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2279 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2280 target_afsi.image_id = cad->source_afsi.image_id;
2281 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2282 target_afsi.last_played = cad->source_afsi.last_played;
2283 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2284 target_afsi.num_played = cad->source_afsi.num_played;
2285 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2286 target_afsi.attributes = cad->source_afsi.attributes;
2287 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2288 cad->num_copied++;
2289 if (cad->flags & CPSI_FLAG_VERBOSE) {
2290 ret = para_printf(&cad->pb, "copied afsi to %s\n", name);
2291 if (ret < 0)
2292 return ret;
2293 }
2294 aced.aft_row = row;
2295 aced.old_afsi = &old_afsi;
2296 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2297 return 1;
2298 }
2299
2300 static void com_cpsi_callback(int fd, const struct osl_object *query)
2301 {
2302 struct cpsi_action_data cad = {
2303 .flags = *(unsigned *)query->data,
2304 .pb = {
2305 .max_size = SHMMAX,
2306 .private_data = &fd,
2307 .max_size_handler = pass_buffer_as_shm
2308 }
2309 };
2310 int ret;
2311 char *source_path = (char *)query->data + sizeof(cad.flags);
2312 struct pattern_match_data pmd = {
2313 .table = audio_file_table,
2314 .loop_col_num = AFTCOL_HASH,
2315 .match_col_num = AFTCOL_PATH,
2316 .patterns = {.data = source_path + strlen(source_path) + 1,
2317 .size = query->size - sizeof(cad.flags)
2318 - strlen(source_path) - 1},
2319 .data = &cad,
2320 .action = copy_selector_info
2321 };
2322
2323 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2324 if (ret < 0)
2325 goto out;
2326 ret = for_each_matching_row(&pmd);
2327 out:
2328 if (ret < 0)
2329 para_printf(&cad.pb, "%s\n", para_strerror(-ret));
2330 else if (cad.flags & CPSI_FLAG_VERBOSE) {
2331 if (cad.num_copied)
2332 para_printf(&cad.pb, "copied requested afsi from %s "
2333 "to %u files\n", source_path, cad.num_copied);
2334 else
2335 para_printf(&cad.pb, "nothing copied\n");
2336 }
2337 if (cad.pb.offset)
2338 pass_buffer_as_shm(cad.pb.buf, cad.pb.offset, &fd);
2339 free(cad.pb.buf);
2340 }
2341
2342 int com_cpsi(int fd, int argc, char * const * const argv)
2343 {
2344 unsigned flags = 0;
2345 int i, ret;
2346 struct osl_object options = {.data = &flags, .size = sizeof(flags)};
2347
2348 for (i = 1; i < argc; i++) {
2349 const char *arg = argv[i];
2350 if (arg[0] != '-')
2351 break;
2352 if (!strcmp(arg, "--")) {
2353 i++;
2354 break;
2355 }
2356 if (!strcmp(arg, "-y")) {
2357 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2358 continue;
2359 }
2360 if (!strcmp(arg, "-i")) {
2361 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2362 continue;
2363 }
2364 if (!strcmp(arg, "-l")) {
2365 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2366 continue;
2367 }
2368 if (!strcmp(arg, "-n")) {
2369 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2370 continue;
2371 }
2372 if (!strcmp(arg, "-a")) {
2373 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2374 continue;
2375 }
2376 if (!strcmp(arg, "-v")) {
2377 flags |= CPSI_FLAG_VERBOSE;
2378 continue;
2379 }
2380 break;
2381 }
2382 if (i + 1 >= argc) /* need at least souce file and pattern */
2383 return -E_AFT_SYNTAX;
2384 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2385 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2386 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2387 com_cpsi_callback, send_result, &fd);
2388 if (ret < 0)
2389 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2390 return ret;
2391 }
2392
2393 /* TODO: optionally fix problems by removing offending rows */
2394 static int check_audio_file(struct osl_row *row, void *data)
2395 {
2396 char *path;
2397 struct para_buffer *pb = data;
2398 struct stat statbuf;
2399 int ret = get_audio_file_path_of_row(row, &path);
2400 struct afs_info afsi;
2401 char *blob_name;
2402
2403 if (ret < 0)
2404 return para_printf(pb, "%s\n", para_strerror(-ret));
2405 if (stat(path, &statbuf) < 0) {
2406 ret = para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2407 if (ret < 0)
2408 return ret;
2409 } else {
2410 if (!S_ISREG(statbuf.st_mode)) {
2411 ret = para_printf(pb, "%s: not a regular file\n", path);
2412 if (ret < 0)
2413 return ret;
2414 }
2415 }
2416 ret = get_afsi_of_row(row, &afsi);
2417 if (ret < 0)
2418 return para_printf(pb, "%s: %s\n", path, para_strerror(-ret));
2419 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2420 if (ret < 0) {
2421 ret = para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2422 para_strerror(-ret));
2423 if (ret < 0)
2424 return ret;
2425 }
2426 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2427 if (ret < 0)
2428 ret = para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2429 para_strerror(-ret));
2430 return ret;
2431 }
2432
2433 /**
2434 * Check the audio file table for inconsistencies.
2435 *
2436 * \param fd The afs socket.
2437 * \param query Unused.
2438 *
2439 * This function always succeeds.
2440 *
2441 * \sa com_check().
2442 */
2443 void aft_check_callback(int fd, __a_unused const struct osl_object *query)
2444 {
2445 struct para_buffer pb = {
2446 .max_size = SHMMAX,
2447 .private_data = &fd,
2448 .max_size_handler = pass_buffer_as_shm
2449 };
2450 int ret = para_printf(&pb, "checking audio file table...\n");
2451
2452 if (ret < 0)
2453 return;
2454 audio_file_loop(&pb, check_audio_file);
2455 if (pb.offset)
2456 pass_buffer_as_shm(pb.buf, pb.offset, &fd);
2457 free(pb.buf);
2458 }
2459
2460 /**
2461 * Close the audio file table.
2462 *
2463 * \param flags Usual flags that are passed to osl_close_table().
2464 *
2465 * \sa osl_close_table().
2466 */
2467 static void aft_close(void)
2468 {
2469 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2470 audio_file_table = NULL;
2471 }
2472
2473 /**
2474 * Open the audio file table.
2475 *
2476 * \param dir The database directory.
2477 *
2478 * \return Standard.
2479 *
2480 * \sa osl_open_table().
2481 */
2482 static int aft_open(const char *dir)
2483 {
2484 int ret;
2485
2486 audio_file_table_desc.dir = dir;
2487 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2488 if (ret >= 0) {
2489 unsigned num;
2490 osl_get_num_rows(audio_file_table, &num);
2491 PARA_INFO_LOG("audio file table contains %d files\n", num);
2492 return ret;
2493 }
2494 PARA_INFO_LOG("failed to open audio file table\n");
2495 audio_file_table = NULL;
2496 if (ret >= 0 || is_errno(-ret, ENOENT))
2497 return 1;
2498 return ret;
2499 }
2500
2501 static int aft_create(const char *dir)
2502 {
2503 audio_file_table_desc.dir = dir;
2504 return osl_create_table(&audio_file_table_desc);
2505 }
2506
2507 static int clear_attribute(struct osl_row *row, void *data)
2508 {
2509 struct rmatt_event_data *red = data;
2510 struct afs_info afsi;
2511 struct osl_object obj;
2512 int ret = get_afsi_object_of_row(row, &obj);
2513 uint64_t mask = ~(1ULL << red->bitnum);
2514
2515 if (ret < 0)
2516 return ret;
2517 ret = load_afsi(&afsi, &obj);
2518 if (ret < 0)
2519 return ret;
2520 afsi.attributes &= mask;
2521 save_afsi(&afsi, &obj);
2522 return 1;
2523 }
2524
2525 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2526 void *data)
2527 {
2528 int ret;
2529
2530 switch(event) {
2531 case ATTRIBUTE_REMOVE: {
2532 const struct rmatt_event_data *red = data;
2533 ret = para_printf(pb, "clearing attribute %s (bit %u) from all "
2534 "entries in the audio file table\n", red->name,
2535 red->bitnum);
2536 if (ret < 0)
2537 return ret;
2538 return audio_file_loop(data, clear_attribute);
2539 }
2540 default:
2541 return 1;
2542 }
2543 }
2544
2545 void aft_init(struct afs_table *t)
2546 {
2547 t->name = audio_file_table_desc.name;
2548 t->open = aft_open;
2549 t->close = aft_close;
2550 t->create = aft_create;
2551 t->event_handler = aft_event_handler;
2552 }