aft: Reorganize make_status_items().
[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 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
631 time_t current_time, enum ls_listing_mode lm)
632 {
633 struct tm t;
634
635 if (!localtime_r((time_t *)seconds, &t))
636 return -E_LOCALTIME;
637 if (lm == LS_MODE_MBOX) {
638 if (!strftime(buf, size, "%c", &t))
639 return -E_STRFTIME;
640 return 1;
641 }
642 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
643 if (!strftime(buf, size, "%b %e %k:%M", &t))
644 return -E_STRFTIME;
645 return 1;
646 }
647 if (!strftime(buf, size, "%b %e %Y", &t))
648 return -E_STRFTIME;
649 return 1;
650 }
651
652 /** Compute the number of (decimal) digits of a number. */
653 #define GET_NUM_DIGITS(x, num) { \
654 typeof((x)) _tmp = PARA_ABS(x); \
655 *num = 1; \
656 if ((_tmp)) \
657 while ((_tmp) > 9) { \
658 (_tmp) /= 10; \
659 (*num)++; \
660 } \
661 }
662
663 static short unsigned get_duration_width(int seconds)
664 {
665 short unsigned width;
666 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
667
668 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
669 return 4 + (mins > 9);
670 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
671 GET_NUM_DIGITS(hours, &width);
672 return width + 6;
673 }
674
675 static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
676 {
677 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
678 short unsigned max_width;
679
680 if (!hours) { /* m:ss or mm:ss */
681 max_width = opts->mode == LS_MODE_LONG?
682 opts->widths.duration_width : 4;
683 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
684 } else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
685 max_width = opts->mode == LS_MODE_LONG?
686 opts->widths.duration_width : 7;
687 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
688 seconds % 60);
689 }
690 }
691
692 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
693 {
694 char *att_text, *att_lines;
695
696 get_attribute_text(&afsi->attributes, " ", &att_text);
697 if (!att_text)
698 return para_strdup(att_bitmap);
699 att_lines = make_message("%s: %s\n%s: %s",
700 status_item_list[SI_ATTRIBUTES_BITMAP], att_bitmap,
701 status_item_list[SI_ATTRIBUTES_TXT], att_text);
702 free(att_text);
703 return att_lines;
704 }
705
706 static char *make_lyrics_lines(struct afs_info *afsi)
707 {
708 char *lyrics_name;
709
710 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
711 return make_message("%s: %u\n%s: %s\n",
712 status_item_list[SI_LYRICS_ID], afsi->lyrics_id,
713 status_item_list[SI_LYRICS_NAME], lyrics_name?
714 lyrics_name : "(none)");
715 }
716
717 static char *make_image_lines(struct afs_info *afsi)
718 {
719 char *image_name;
720 img_get_name_by_id(afsi->image_id, &image_name);
721 return make_message("%s: %u\n%s: %s\n",
722 status_item_list[SI_IMAGE_ID], afsi->image_id,
723 status_item_list[SI_IMAGE_NAME], image_name?
724 image_name : "(none)");
725 }
726
727 static char *make_filename_lines(const char *path, unsigned flags)
728 {
729 char *dirname, *ret;
730 const char *basename;
731
732 if (!(flags & LS_FLAG_FULL_PATH))
733 return make_message("%s: %s\n",
734 status_item_list[SI_BASENAME], path);
735 basename = para_basename(path),
736 dirname = para_dirname(path);
737 ret = make_message("%s: %s\n%s: %s\n%s: %s\n",
738 status_item_list[SI_PATH], path,
739 status_item_list[SI_DIRECTORY], dirname? dirname : "?",
740 status_item_list[SI_BASENAME], basename? basename : "?");
741 free(dirname);
742 return ret;
743 }
744
745 static int print_chunk_table(struct ls_data *d, struct para_buffer *b)
746 {
747 struct osl_object chunk_table_obj;
748 struct osl_row *aft_row;
749 int ret, i;
750 char *buf;
751
752 ret = aft_get_row_of_hash(d->hash, &aft_row);
753 if (ret < 0)
754 return ret;
755 ret = osl_open_disk_object(audio_file_table, aft_row,
756 AFTCOL_CHUNKS, &chunk_table_obj);
757 if (ret < 0)
758 return ret;
759 ret = para_printf(b, "%s\n"
760 "chunk_time: %lu:%lu\nchunk_offsets: ",
761 d->path,
762 (long unsigned) d->afhi.chunk_tv.tv_sec,
763 (long unsigned) d->afhi.chunk_tv.tv_usec
764 );
765 if (ret < 0)
766 goto out;
767 buf = chunk_table_obj.data;
768 for (i = 0; i <= d->afhi.chunks_total; i++) {
769 ret = para_printf(b, "%u ", (unsigned) read_u32(buf + 4 * i));
770 if (ret < 0)
771 goto out;
772 }
773 ret = para_printf(b, "\n");
774 out:
775 osl_close_disk_object(&chunk_table_obj);
776 return ret;
777 }
778
779 static int print_list_item(struct ls_data *d, struct ls_options *opts,
780 struct para_buffer *b, time_t current_time)
781 {
782 int ret;
783 char att_buf[65];
784 char last_played_time[30];
785 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
786 char score_buf[30] = "";
787 struct afs_info *afsi = &d->afsi;
788 struct afh_info *afhi = &d->afhi;
789 struct ls_widths *w = &opts->widths;
790 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
791 char asc_hash[2 * HASH_SIZE + 1];
792 char *att_lines, *lyrics_lines, *image_lines, *filename_lines;
793
794 if (opts->mode == LS_MODE_SHORT) {
795 ret = para_printf(b, "%s\n", d->path);
796 goto out;
797 }
798 if (opts->mode == LS_MODE_CHUNKS) {
799 ret = print_chunk_table(d, b);
800 goto out;
801 }
802 get_attribute_bitmap(&afsi->attributes, att_buf);
803 ret = get_local_time(&afsi->last_played, last_played_time,
804 sizeof(last_played_time), current_time, opts->mode);
805 if (ret < 0)
806 goto out;
807 get_duration_buf(afhi->seconds_total, duration_buf, opts);
808 if (have_score) {
809 if (opts->mode == LS_MODE_LONG)
810 sprintf(score_buf, "%*li ", w->score_width, d->score);
811 else
812 sprintf(score_buf, "%li ", d->score);
813 }
814
815 if (opts->mode == LS_MODE_LONG) {
816 ret = para_printf(b,
817 "%s" /* score */
818 "%s " /* attributes */
819 "%*u " /* amp */
820 "%*d " /* image_id */
821 "%*d " /* lyrics_id */
822 "%*d " /* bitrate */
823 "%s " /* audio format */
824 "%*d " /* frequency */
825 "%d " /* channels */
826 "%s " /* duration */
827 "%*d " /* num_played */
828 "%s " /* last_played */
829 "%s\n", /* path */
830 score_buf,
831 att_buf,
832 w->amp_width, afsi->amp,
833 w->image_id_width, afsi->image_id,
834 w->lyrics_id_width, afsi->lyrics_id,
835 w->bitrate_width, afhi->bitrate,
836 audio_format_name(afsi->audio_format_id),
837 w->frequency_width, afhi->frequency,
838 afhi->channels,
839 duration_buf,
840 w->num_played_width, afsi->num_played,
841 last_played_time,
842 d->path
843 );
844 goto out;
845 }
846 hash_to_asc(d->hash, asc_hash);
847 att_lines = make_attribute_lines(att_buf, afsi);
848 lyrics_lines = make_lyrics_lines(afsi);
849 image_lines = make_image_lines(afsi);
850 filename_lines = make_filename_lines(d->path, opts->flags);
851 if (opts->mode == LS_MODE_MBOX) {
852 const char *bn = para_basename(d->path);
853 ret = para_printf(b,
854 "From foo@localhost %s\n"
855 "Received: from\nTo: bar\nFrom: a\n"
856 "Subject: %s\n\n",
857 last_played_time,
858 bn? bn : "?");
859 if (ret < 0)
860 goto out;
861 }
862 ret = para_printf(b,
863 "%s" /* filename stuff */
864 "%s%s%s%s" /* score */
865 "%s\n" /* attributes */
866 "%s: %s\n" /* hash */
867 "%s" /* image id, image name */
868 "%s" /* lyrics */
869 "%s: %dkbit/s\n" /* bitrate */
870 "%s: %s\n" /* format */
871 "%s: %dHz\n" /* frequency */
872 "%s: %d\n" /* channels */
873 "%s: %s\n" /* duration */
874 "%s: %lu\n" /* seconds total */
875 "%s: %s\n" /* last played time */
876 "%s: %d\n" /* num_played */
877 "%s: %u\n" /* ampplification */
878 "%s" /* tag info */
879 "%s: %lu\n" /* chunk time */
880 "%s: %lu\n", /* num chunks */
881 filename_lines,
882 have_score? status_item_list[SI_SCORE] : "",
883 have_score? ": " : "",
884 score_buf,
885 have_score? "\n" : "",
886 att_lines,
887 status_item_list[SI_HASH], asc_hash,
888 image_lines,
889 lyrics_lines,
890 status_item_list[SI_BITRATE], afhi->bitrate,
891 status_item_list[SI_FORMAT], audio_format_name(afsi->audio_format_id),
892 status_item_list[SI_FREQUENCY], afhi->frequency,
893 status_item_list[SI_CHANNELS], afhi->channels,
894 status_item_list[SI_DURATION], duration_buf,
895 status_item_list[SI_SECONDS_TOTAL], afhi->seconds_total,
896 status_item_list[SI_LAST_PLAYED], last_played_time,
897 status_item_list[SI_NUM_PLAYED], afsi->num_played,
898 status_item_list[SI_AMPLIFICATION], afsi->amp,
899 afhi->info_string,
900 status_item_list[SI_CHUNK_TIME], tv2ms(&afhi->chunk_tv),
901 status_item_list[SI_NUM_CHUNKS], afhi->chunks_total
902 );
903 if (ret < 0)
904 goto out;
905 if (opts->mode == LS_MODE_MBOX) {
906 struct osl_object lyrics_def;
907 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
908 if (lyrics_def.data) {
909 ret = para_printf(b, "Lyrics:\n~~~~~~~\n%s",
910 (char *)lyrics_def.data);
911 osl_close_disk_object(&lyrics_def);
912 }
913 }
914 free(att_lines);
915 free(lyrics_lines);
916 free(image_lines);
917 free(filename_lines);
918 out:
919 free(afhi->info_string);
920 return ret;
921 }
922
923 /**
924 * Write a list of audio-file related status items with empty values.
925 *
926 * \param buf Result pointer.
927 *
928 * This is used by vss when currently no audio file is open.
929 */
930 void make_empty_status_items(char *buf)
931 {
932 sprintf(buf,
933 "%s: \n" /* path */
934 "%s: \n" /* dirname */
935 "%s: \n" /* basename */
936 "%s: \n" /* score */
937 "%s: \n" /* attributes bitmap */
938 "%s: \n" /* attributes txt */
939 "%s: \n" /* hash */
940 "%s: \n" /* image id */
941 "%s: \n" /* image name */
942 "%s: \n" /* lyrics id */
943 "%s: \n" /* lyrics name */
944 "%s: \n" /* bitrate */
945 "%s: \n" /* format */
946 "%s: \n" /* frequency */
947 "%s: \n" /* channels */
948 "%s: \n" /* duration */
949 "%s: \n" /* seconds total */
950 "%s: \n" /* num played */
951 "%s: \n" /* last played */
952 "%s: \n" /* audio file info */
953 "%s: \n" /* taginfo1 */
954 "%s: \n" /* taginfo2 */
955 "%s: \n" /* amplification */
956 ,
957 status_item_list[SI_PATH],
958 status_item_list[SI_DIRECTORY],
959 status_item_list[SI_BASENAME],
960 status_item_list[SI_SCORE],
961 status_item_list[SI_ATTRIBUTES_BITMAP],
962 status_item_list[SI_ATTRIBUTES_TXT],
963 status_item_list[SI_HASH],
964 status_item_list[SI_IMAGE_ID],
965 status_item_list[SI_IMAGE_NAME],
966 status_item_list[SI_LYRICS_ID],
967 status_item_list[SI_LYRICS_NAME],
968 status_item_list[SI_BITRATE],
969 status_item_list[SI_FORMAT],
970 status_item_list[SI_FREQUENCY],
971 status_item_list[SI_CHANNELS],
972 status_item_list[SI_DURATION],
973 status_item_list[SI_SECONDS_TOTAL],
974 status_item_list[SI_NUM_PLAYED],
975 status_item_list[SI_LAST_PLAYED],
976 status_item_list[SI_AUDIO_FILE_INFO],
977 status_item_list[SI_TAGINFO1],
978 status_item_list[SI_TAGINFO2],
979 status_item_list[SI_AMPLIFICATION]
980 );
981 }
982
983 static int make_status_items(struct audio_file_data *afd,
984 struct afs_info *afsi, char *path, long score,
985 HASH_TYPE *hash)
986 {
987 struct ls_data d = {
988 .afhi = afd->afhi, /* struct copy */
989 .afsi = *afsi,
990 .path = path,
991 .score = score,
992 .hash = hash
993 };
994 struct ls_options opts = {
995 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
996 .mode = LS_MODE_VERBOSE,
997 };
998 struct para_buffer pb = {.max_size = VERBOSE_LS_OUTPUT_SIZE - 1};
999 time_t current_time;
1000 int ret;
1001
1002 time(&current_time);
1003 ret = print_list_item(&d, &opts, &pb, current_time); /* frees info string */
1004 afd->afhi.info_string = NULL;
1005 if (ret < 0)
1006 goto out;
1007 strncpy(afd->verbose_ls_output, pb.buf, VERBOSE_LS_OUTPUT_SIZE);
1008 afd->verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE - 1] = '\0';
1009 out:
1010 free(pb.buf);
1011 return ret;
1012 }
1013
1014 /**
1015 * Mmap the given audio file and update statistics.
1016 *
1017 * \param aft_row Determines the audio file to be opened and updated.
1018 * \param score The score of the audio file.
1019 * \param afd Result pointer.
1020 *
1021 * On success, the numplayed field of the audio file selector info is increased
1022 * and the lastplayed time is set to the current time. Finally, the score of
1023 * the audio file is updated.
1024 *
1025 * \return Positive shmid on success, negative on errors.
1026 */
1027 int open_and_update_audio_file(struct osl_row *aft_row, long score,
1028 struct audio_file_data *afd)
1029 {
1030 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
1031 struct osl_object afsi_obj;
1032 struct afs_info old_afsi, new_afsi;
1033 int ret = get_hash_of_row(aft_row, &aft_hash);
1034 struct afsi_change_event_data aced;
1035 struct osl_object map, chunk_table_obj;
1036 char *path;
1037
1038 if (ret < 0)
1039 return ret;
1040 ret = get_audio_file_path_of_row(aft_row, &path);
1041 if (ret < 0)
1042 return ret;
1043 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
1044 if (ret < 0)
1045 return ret;
1046 ret = load_afsi(&old_afsi, &afsi_obj);
1047 if (ret < 0)
1048 return ret;
1049 ret = get_afhi_of_row(aft_row, &afd->afhi);
1050 if (ret < 0)
1051 return ret;
1052 afd->afhi.chunk_table = NULL;
1053 ret = osl_open_disk_object(audio_file_table, aft_row,
1054 AFTCOL_CHUNKS, &chunk_table_obj);
1055 if (ret < 0)
1056 goto err;
1057 ret = mmap_full_file(path, O_RDONLY, &map.data,
1058 &map.size, &afd->fd);
1059 if (ret < 0)
1060 goto err;
1061 hash_function(map.data, map.size, file_hash);
1062 ret = hash_compare(file_hash, aft_hash);
1063 para_munmap(map.data, map.size);
1064 if (ret) {
1065 ret = -E_HASH_MISMATCH;
1066 goto err;
1067 }
1068 new_afsi = old_afsi;
1069 new_afsi.num_played++;
1070 new_afsi.last_played = time(NULL);
1071 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
1072
1073 load_chunk_table(&afd->afhi, chunk_table_obj.data);
1074 ret = make_status_items(afd, &old_afsi, path, score, file_hash);
1075 if (ret < 0)
1076 goto err;
1077 aced.aft_row = aft_row;
1078 aced.old_afsi = &old_afsi;
1079 afs_event(AFSI_CHANGE, NULL, &aced);
1080 ret = save_afd(afd);
1081 err:
1082 free(afd->afhi.chunk_table);
1083 free(afd->afhi.info_string);
1084 osl_close_disk_object(&chunk_table_obj);
1085 return ret;
1086 }
1087
1088 static int ls_audio_format_compare(const void *a, const void *b)
1089 {
1090 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1091 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1092 }
1093
1094 static int ls_duration_compare(const void *a, const void *b)
1095 {
1096 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1097 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1098 }
1099
1100 static int ls_bitrate_compare(const void *a, const void *b)
1101 {
1102 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1103 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1104 }
1105
1106 static int ls_lyrics_id_compare(const void *a, const void *b)
1107 {
1108 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1109 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1110 }
1111
1112 static int ls_image_id_compare(const void *a, const void *b)
1113 {
1114 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1115 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1116 }
1117
1118 static int ls_channels_compare(const void *a, const void *b)
1119 {
1120 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1121 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1122 }
1123
1124 static int ls_frequency_compare(const void *a, const void *b)
1125 {
1126 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1127 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1128 }
1129
1130 static int ls_num_played_compare(const void *a, const void *b)
1131 {
1132 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1133 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1134 }
1135
1136 static int ls_last_played_compare(const void *a, const void *b)
1137 {
1138 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1139 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1140 }
1141
1142 static int ls_score_compare(const void *a, const void *b)
1143 {
1144 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1145 return NUM_COMPARE(d1->score, d2->score);
1146 }
1147
1148 static int ls_path_compare(const void *a, const void *b)
1149 {
1150 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1151 return strcmp(d1->path, d2->path);
1152 }
1153
1154 static int sort_matching_paths(struct ls_options *options)
1155 {
1156 size_t nmemb = options->num_matching_paths;
1157 size_t size = sizeof(*options->data_ptr);
1158 int (*compar)(const void *, const void *);
1159 int i;
1160
1161 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1162 for (i = 0; i < nmemb; i++)
1163 options->data_ptr[i] = options->data + i;
1164
1165 /* In these cases the array is already sorted */
1166 if (options->sorting == LS_SORT_BY_PATH
1167 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1168 && (options->flags & LS_FLAG_FULL_PATH))
1169 return 1;
1170 if (options->sorting == LS_SORT_BY_SCORE &&
1171 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1172 return 1;
1173
1174 switch (options->sorting) {
1175 case LS_SORT_BY_PATH:
1176 compar = ls_path_compare; break;
1177 case LS_SORT_BY_SCORE:
1178 compar = ls_score_compare; break;
1179 case LS_SORT_BY_LAST_PLAYED:
1180 compar = ls_last_played_compare; break;
1181 case LS_SORT_BY_NUM_PLAYED:
1182 compar = ls_num_played_compare; break;
1183 case LS_SORT_BY_FREQUENCY:
1184 compar = ls_frequency_compare; break;
1185 case LS_SORT_BY_CHANNELS:
1186 compar = ls_channels_compare; break;
1187 case LS_SORT_BY_IMAGE_ID:
1188 compar = ls_image_id_compare; break;
1189 case LS_SORT_BY_LYRICS_ID:
1190 compar = ls_lyrics_id_compare; break;
1191 case LS_SORT_BY_BITRATE:
1192 compar = ls_bitrate_compare; break;
1193 case LS_SORT_BY_DURATION:
1194 compar = ls_duration_compare; break;
1195 case LS_SORT_BY_AUDIO_FORMAT:
1196 compar = ls_audio_format_compare; break;
1197 default:
1198 return -E_BAD_SORT;
1199 }
1200 qsort(options->data_ptr, nmemb, size, compar);
1201 return 1;
1202 }
1203
1204 /* row is either an aft_row or a row of the score table */
1205 /* TODO: Only compute widths if we need them */
1206 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1207 {
1208 int ret, i;
1209 struct ls_options *options = ls_opts;
1210 struct ls_data *d;
1211 struct ls_widths *w;
1212 unsigned short num_digits;
1213 unsigned tmp;
1214 struct osl_row *aft_row;
1215 long score;
1216 char *path;
1217
1218 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1219 ret = get_score_and_aft_row(row, &score, &aft_row);
1220 if (ret < 0)
1221 return ret;
1222 } else
1223 aft_row = row;
1224 ret = get_audio_file_path_of_row(aft_row, &path);
1225 if (ret < 0)
1226 return ret;
1227 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1228 char *p = strrchr(path, '/');
1229 if (p)
1230 path = p + 1;
1231 }
1232 if (options->num_patterns) {
1233 for (i = 0; i < options->num_patterns; i++) {
1234 ret = fnmatch(options->patterns[i], path, 0);
1235 if (!ret)
1236 break;
1237 if (ret == FNM_NOMATCH)
1238 continue;
1239 return -E_FNMATCH;
1240 }
1241 if (i >= options->num_patterns) /* no match */
1242 return 1;
1243 }
1244 tmp = options->num_matching_paths++;
1245 if (options->num_matching_paths > options->array_size) {
1246 options->array_size++;
1247 options->array_size *= 2;
1248 options->data = para_realloc(options->data, options->array_size
1249 * sizeof(*options->data));
1250 }
1251 d = options->data + tmp;
1252 ret = get_afsi_of_row(aft_row, &d->afsi);
1253 if (ret < 0)
1254 return ret;
1255 ret = get_afhi_of_row(aft_row, &d->afhi);
1256 if (ret < 0)
1257 return ret;
1258 d->path = path;
1259 ret = get_hash_of_row(aft_row, &d->hash);
1260 if (ret < 0)
1261 goto err;
1262 w = &options->widths;
1263 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1264 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1265 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1266 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1267 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1268 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1269 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1270 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1271 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1272 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1273 /* get the number of chars to print this amount of time */
1274 num_digits = get_duration_width(d->afhi.seconds_total);
1275 w->duration_width = PARA_MAX(w->duration_width, num_digits);
1276 GET_NUM_DIGITS(d->afsi.amp, &num_digits);
1277 w->amp_width = PARA_MAX(w->amp_width, num_digits);
1278 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1279 GET_NUM_DIGITS(score, &num_digits);
1280 num_digits++; /* add one for the sign (space or "-") */
1281 w->score_width = PARA_MAX(w->score_width, num_digits);
1282 d->score = score;
1283 }
1284 return 1;
1285 err:
1286 free(d->afhi.info_string);
1287 return ret;
1288 }
1289
1290 static void com_ls_callback(int fd, const struct osl_object *query)
1291 {
1292 struct ls_options *opts = query->data;
1293 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1294 struct para_buffer b = {.max_size = SHMMAX,
1295 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1296 int i = 0, ret;
1297 time_t current_time;
1298
1299
1300 if (opts->num_patterns) {
1301 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1302 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1303 opts->patterns[i] = p;
1304 p += strlen(p) + 1;
1305 }
1306 } else
1307 opts->patterns = NULL;
1308 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1309 ret = admissible_file_loop(opts, prepare_ls_row);
1310 else
1311 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1312 prepare_ls_row);
1313 if (ret < 0)
1314 goto out;
1315 if (!opts->num_matching_paths)
1316 goto out;
1317 ret = sort_matching_paths(opts);
1318 if (ret < 0)
1319 goto out;
1320 time(&current_time);
1321 if (opts->flags & LS_FLAG_REVERSE)
1322 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1323 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1324 if (ret < 0)
1325 goto out;
1326 }
1327 else
1328 for (i = 0; i < opts->num_matching_paths; i++) {
1329 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1330 if (ret < 0)
1331 goto out;
1332 }
1333 out:
1334 if (b.offset)
1335 pass_buffer_as_shm(b.buf, b.offset, &fd);
1336 free(b.buf);
1337 free(opts->data);
1338 free(opts->data_ptr);
1339 free(opts->patterns);
1340 }
1341
1342 /*
1343 * TODO: flags -h (sort by hash)
1344 */
1345 int com_ls(int fd, int argc, char * const * const argv)
1346 {
1347 int i, ret;
1348 unsigned flags = 0;
1349 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1350 enum ls_listing_mode mode = LS_MODE_SHORT;
1351 struct ls_options opts = {.patterns = NULL};
1352 struct osl_object query = {.data = &opts, .size = sizeof(opts)};
1353
1354 for (i = 1; i < argc; i++) {
1355 const char *arg = argv[i];
1356 if (arg[0] != '-')
1357 break;
1358 if (!strcmp(arg, "--")) {
1359 i++;
1360 break;
1361 }
1362 if (!strncmp(arg, "-l", 2)) {
1363 if (!*(arg + 2)) {
1364 mode = LS_MODE_LONG;
1365 continue;
1366 }
1367 if (*(arg + 3))
1368 return -E_AFT_SYNTAX;
1369 switch(*(arg + 2)) {
1370 case 's':
1371 mode = LS_MODE_SHORT;
1372 continue;
1373 case 'l':
1374 mode = LS_MODE_LONG;
1375 continue;
1376 case 'v':
1377 mode = LS_MODE_VERBOSE;
1378 continue;
1379 case 'm':
1380 mode = LS_MODE_MBOX;
1381 continue;
1382 case 'c':
1383 mode = LS_MODE_CHUNKS;
1384 continue;
1385 default:
1386 return -E_AFT_SYNTAX;
1387 }
1388 }
1389 if (!strcmp(arg, "-p")) {
1390 flags |= LS_FLAG_FULL_PATH;
1391 continue;
1392 }
1393 if (!strcmp(arg, "-a")) {
1394 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1395 continue;
1396 }
1397 if (!strcmp(arg, "-r")) {
1398 flags |= LS_FLAG_REVERSE;
1399 continue;
1400 }
1401 if (!strncmp(arg, "-s", 2)) {
1402 if (!*(arg + 2) || *(arg + 3))
1403 return -E_AFT_SYNTAX;
1404 switch(*(arg + 2)) {
1405 case 'p':
1406 sort = LS_SORT_BY_PATH;
1407 continue;
1408 case 's': /* -ss implies -a */
1409 sort = LS_SORT_BY_SCORE;
1410 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1411 continue;
1412 case 'l':
1413 sort = LS_SORT_BY_LAST_PLAYED;
1414 continue;
1415 case 'n':
1416 sort = LS_SORT_BY_NUM_PLAYED;
1417 continue;
1418 case 'f':
1419 sort = LS_SORT_BY_FREQUENCY;
1420 continue;
1421 case 'c':
1422 sort = LS_SORT_BY_CHANNELS;
1423 continue;
1424 case 'i':
1425 sort = LS_SORT_BY_IMAGE_ID;
1426 continue;
1427 case 'y':
1428 sort = LS_SORT_BY_LYRICS_ID;
1429 continue;
1430 case 'b':
1431 sort = LS_SORT_BY_BITRATE;
1432 continue;
1433 case 'd':
1434 sort = LS_SORT_BY_DURATION;
1435 continue;
1436 case 'a':
1437 sort = LS_SORT_BY_AUDIO_FORMAT;
1438 continue;
1439 default:
1440 return -E_AFT_SYNTAX;
1441 }
1442 }
1443 return -E_AFT_SYNTAX;
1444 }
1445 opts.flags = flags;
1446 opts.sorting = sort;
1447 opts.mode = mode;
1448 opts.num_patterns = argc - i;
1449 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1450 argv + i, com_ls_callback, send_result, &fd);
1451 return ret;
1452 }
1453
1454 /**
1455 * Call the given function for each file in the audio file table.
1456 *
1457 * \param private_data An arbitrary data pointer, passed to \a func.
1458 * \param func The custom function to be called.
1459 *
1460 * \return The return value of the underlying call to osl_rbtree_loop().
1461 */
1462 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1463 {
1464 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1465 func);
1466 }
1467
1468 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1469 {
1470 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1471 struct osl_row *row;
1472
1473 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1474 return row;
1475 }
1476
1477 /** The format of the data stored by save_audio_file_data(). */
1478 enum com_add_buffer_offsets {
1479 /** afhi (if present) starts here. */
1480 CAB_AFHI_OFFSET_POS = 0,
1481 /** Start of the chunk table (if present). */
1482 CAB_CHUNKS_OFFSET_POS = 2,
1483 /** Audio format id. */
1484 CAB_AUDIO_FORMAT_OFFSET = 4,
1485 /** Flags given to the add command. */
1486 CAB_FLAGS_OFFSET = 5,
1487 /** The hash of the audio file being added. */
1488 CAB_HASH_OFFSET = 9,
1489 /** Start of the path of the audio file. */
1490 CAB_PATH_OFFSET = (CAB_HASH_OFFSET + HASH_SIZE),
1491 };
1492
1493 /*
1494 * Store the given data to a single buffer. Doesn't need the audio file selector
1495 * info struct as the server knows it as well.
1496 *
1497 * It's OK to call this with afhi == NULL. In this case, the audio format
1498 * handler info won't be stored in the buffer.
1499 */
1500 static void save_add_callback_buffer(HASH_TYPE *hash, const char *path,
1501 struct afh_info *afhi, uint32_t flags,
1502 uint8_t audio_format_num, struct osl_object *obj)
1503 {
1504 size_t path_len = strlen(path) + 1;
1505 size_t afhi_size = sizeof_afhi_buf(afhi);
1506 size_t size = CAB_PATH_OFFSET + path_len + afhi_size
1507 + sizeof_chunk_table(afhi);
1508 char *buf = para_malloc(size);
1509 uint16_t pos;
1510
1511 write_u8(buf + CAB_AUDIO_FORMAT_OFFSET, audio_format_num);
1512 write_u32(buf + CAB_FLAGS_OFFSET, flags);
1513
1514 memcpy(buf + CAB_HASH_OFFSET, hash, HASH_SIZE);
1515 strcpy(buf + CAB_PATH_OFFSET, path);
1516
1517 pos = CAB_PATH_OFFSET + path_len;
1518 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1519 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1520 pos + afhi_size - 1);
1521 write_u16(buf + CAB_AFHI_OFFSET_POS, pos);
1522 save_afhi(afhi, buf + pos);
1523
1524 pos += afhi_size;
1525 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1526 write_u16(buf + CAB_CHUNKS_OFFSET_POS, pos);
1527 if (afhi)
1528 save_chunk_table(afhi, buf + pos);
1529 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1530 obj->data = buf;
1531 obj->size = size;
1532 }
1533
1534 /*
1535
1536 Overview of the add command.
1537
1538 Input: What was passed to the callback by the command handler.
1539 ~~~~~~
1540 HS: Hash sister. Whether an audio file with identical hash
1541 already exists in the osl database.
1542
1543 PB: Path brother. Whether a file with the given path exists
1544 in the table.
1545
1546 F: Force flag given. Whether add was called with -f.
1547
1548 output: Action performed by the callback.
1549 ~~~~~~~
1550 AFHI: Whether afhi and chunk table are computed and sent.
1551 ACTION: Table modifications to be done by the callback.
1552
1553 +----+----+---+------+---------------------------------------------------+
1554 | HS | PB | F | AFHI | ACTION
1555 +----+----+---+------+---------------------------------------------------+
1556 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1557 | | update path, keep afsi
1558 +----+----+---+------+---------------------------------------------------+
1559 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1560 | | otherwise: remove PB, HS: update path, keep afhi,
1561 | | afsi.
1562 +----+----+---+------+---------------------------------------------------+
1563 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1564 | | HS, keep afsi
1565 +----+----+---+------+---------------------------------------------------+
1566 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1567 +----+----+---+------+---------------------------------------------------+
1568 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1569 | | (force has no effect)
1570 +----+----+---+------+---------------------------------------------------+
1571 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1572 +----+----+---+------+---------------------------------------------------+
1573 | N | N | Y | Y | (new file) create new entry (force has no effect)
1574 +----+----+---+------+---------------------------------------------------+
1575 | N | N | N | Y | (new file) create new entry
1576 +----+----+---+------+---------------------------------------------------+
1577
1578 Notes:
1579
1580 afhi <=> force or no HS
1581 F => AFHI
1582
1583 */
1584
1585 /** Flags passed to the add command. */
1586 enum com_add_flags {
1587 /** Skip paths that exist already. */
1588 ADD_FLAG_LAZY = 1,
1589 /** Force adding. */
1590 ADD_FLAG_FORCE = 2,
1591 /** Print what is being done. */
1592 ADD_FLAG_VERBOSE = 4,
1593 /** Try to add files with unknown suffixes. */
1594 ADD_FLAG_ALL = 8,
1595 };
1596
1597 static void com_add_callback(int fd, const struct osl_object *query)
1598 {
1599 char *buf = query->data, *path;
1600 struct osl_row *pb, *aft_row;
1601 struct osl_row *hs;
1602 struct osl_object objs[NUM_AFT_COLUMNS];
1603 HASH_TYPE *hash;
1604 char asc[2 * HASH_SIZE + 1];
1605 int ret;
1606 char afsi_buf[AFSI_SIZE];
1607 uint32_t flags = read_u32(buf + CAB_FLAGS_OFFSET);
1608 struct afs_info default_afsi = {.last_played = 0};
1609 struct para_buffer msg = {.max_size = SHMMAX,
1610 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1611 uint16_t afhi_offset, chunks_offset;
1612
1613 hash = (HASH_TYPE *)buf + CAB_HASH_OFFSET;
1614 hash_to_asc(hash, asc);;
1615 objs[AFTCOL_HASH].data = buf + CAB_HASH_OFFSET;
1616 objs[AFTCOL_HASH].size = HASH_SIZE;
1617
1618 path = buf + CAB_PATH_OFFSET;
1619 objs[AFTCOL_PATH].data = path;
1620 objs[AFTCOL_PATH].size = strlen(path) + 1;
1621
1622 PARA_INFO_LOG("request to add %s\n", path);
1623 hs = find_hash_sister(hash);
1624 ret = aft_get_row_of_path(path, &pb);
1625 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1626 goto out;
1627 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1628 if (flags & ADD_FLAG_VERBOSE)
1629 ret = para_printf(&msg, "ignoring duplicate\n");
1630 else
1631 ret = 1;
1632 goto out;
1633 }
1634 if (hs && hs != pb) {
1635 struct osl_object obj;
1636 if (pb) { /* hs trumps pb, remove pb */
1637 if (flags & ADD_FLAG_VERBOSE) {
1638 ret = para_printf(&msg, "removing path brother\n");
1639 if (ret < 0)
1640 goto out;
1641 }
1642 ret = osl_del_row(audio_file_table, pb);
1643 if (ret < 0)
1644 goto out;
1645 pb = NULL;
1646 }
1647 /* file rename, update hs' path */
1648 if (flags & ADD_FLAG_VERBOSE) {
1649 ret = osl_get_object(audio_file_table, hs,
1650 AFTCOL_PATH, &obj);
1651 if (ret < 0)
1652 goto out;
1653 ret = para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1654 if (ret < 0)
1655 goto out;
1656 }
1657 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1658 &objs[AFTCOL_PATH]);
1659 if (ret < 0)
1660 goto out;
1661 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1662 if (!(flags & ADD_FLAG_FORCE))
1663 goto out;
1664 }
1665 /* no hs or force mode, child must have sent afhi */
1666 afhi_offset = read_u16(buf + CAB_AFHI_OFFSET_POS);
1667 chunks_offset = read_u16(buf + CAB_CHUNKS_OFFSET_POS);
1668
1669 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1670 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1671 ret = -E_NO_AFHI;
1672 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1673 goto out;
1674 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1675 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1676 if (pb && !hs) { /* update pb's hash */
1677 char old_asc[2 * HASH_SIZE + 1];
1678 HASH_TYPE *old_hash;
1679 ret = get_hash_of_row(pb, &old_hash);
1680 if (ret < 0)
1681 goto out;
1682 hash_to_asc(old_hash, old_asc);
1683 if (flags & ADD_FLAG_VERBOSE) {
1684 ret = para_printf(&msg, "file change: %s -> %s\n",
1685 old_asc, asc);
1686 if (ret < 0)
1687 goto out;
1688 }
1689 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1690 &objs[AFTCOL_HASH]);
1691 if (ret < 0)
1692 goto out;
1693 }
1694 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1695 struct osl_row *row = pb? pb : hs;
1696 /* update afhi and chunk_table */
1697 if (flags & ADD_FLAG_VERBOSE) {
1698 ret = para_printf(&msg, "updating afhi and chunk table\n");
1699 if (ret < 0)
1700 goto out;
1701 }
1702 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1703 &objs[AFTCOL_AFHI]);
1704 if (ret < 0)
1705 goto out;
1706 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1707 &objs[AFTCOL_CHUNKS]);
1708 if (ret < 0)
1709 goto out;
1710 afs_event(AFHI_CHANGE, &msg, row);
1711 goto out;
1712 }
1713 /* new entry, use default afsi */
1714 if (flags & ADD_FLAG_VERBOSE) {
1715 ret = para_printf(&msg, "new file\n");
1716 if (ret < 0)
1717 goto out;
1718 }
1719 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1720 default_afsi.audio_format_id = read_u8(buf + CAB_AUDIO_FORMAT_OFFSET);
1721
1722 objs[AFTCOL_AFSI].data = &afsi_buf;
1723 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1724 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1725 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1726 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1727 out:
1728 if (ret < 0)
1729 para_printf(&msg, "%s\n", para_strerror(-ret));
1730 if (msg.offset)
1731 pass_buffer_as_shm(msg.buf, msg.offset, &fd);
1732 free(msg.buf);
1733 }
1734
1735 /** Used by com_add(). */
1736 struct private_add_data {
1737 /** The socket file descriptor. */
1738 int fd;
1739 /** The given add flags. */
1740 uint32_t flags;
1741 };
1742
1743 static void path_brother_callback(int fd, const struct osl_object *query)
1744 {
1745 char *path = query->data;
1746 struct osl_row *path_brother;
1747 int ret = aft_get_row_of_path(path, &path_brother);
1748 if (ret < 0)
1749 return;
1750 pass_buffer_as_shm((char *)&path_brother, sizeof(path_brother), &fd);
1751 }
1752
1753 static void hash_sister_callback(int fd, const struct osl_object *query)
1754 {
1755 HASH_TYPE *hash = query->data;
1756 struct osl_row *hash_sister;
1757
1758 hash_sister = find_hash_sister(hash);
1759 if (!hash_sister)
1760 return;
1761 pass_buffer_as_shm((char *)&hash_sister, sizeof(hash_sister), &fd);
1762 }
1763
1764 static int get_row_pointer_from_result(struct osl_object *result, void *private)
1765 {
1766 struct osl_row **row = private;
1767 *row = result->data;
1768 return 1;
1769 }
1770
1771 static int add_one_audio_file(const char *path, void *private_data)
1772 {
1773 int ret, send_ret = 1, fd;
1774 uint8_t format_num = -1;
1775 struct private_add_data *pad = private_data;
1776 struct afh_info afhi, *afhi_ptr = NULL;
1777 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1778 struct osl_object map, obj = {.data = NULL}, query;
1779 HASH_TYPE hash[HASH_SIZE];
1780
1781 ret = guess_audio_format(path);
1782 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1783 goto out_free;
1784 query.data = (char *)path;
1785 query.size = strlen(path) + 1;
1786 ret = send_callback_request(path_brother_callback, &query,
1787 get_row_pointer_from_result, &pb);
1788 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1789 goto out_free;
1790 ret = 1;
1791 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1792 if (pad->flags & ADD_FLAG_VERBOSE)
1793 send_ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1794 goto out_free;
1795 }
1796 /* We still want to add this file. Compute its hash. */
1797 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, &fd);
1798 if (ret < 0)
1799 goto out_free;
1800 hash_function(map.data, map.size, hash);
1801
1802 /* Check whether the database contains a file with the same hash. */
1803 query.data = hash;
1804 query.size = HASH_SIZE;
1805 ret = send_callback_request(hash_sister_callback, &query,
1806 get_row_pointer_from_result, &hs);
1807 if (ret < 0)
1808 goto out_unmap;
1809 /* Return success if we already know this file. */
1810 ret = 1;
1811 if (pb && hs && hs == pb && !(pad->flags & ADD_FLAG_FORCE)) {
1812 if (pad->flags & ADD_FLAG_VERBOSE)
1813 send_ret = send_va_buffer(pad->fd,
1814 "%s exists, not forcing update\n", path);
1815 goto out_unmap;
1816 }
1817 /*
1818 * We won't recalculate the audio format info and the chunk table if
1819 * there is a hash sister and FORCE was not given.
1820 */
1821 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1822 ret = compute_afhi(path, map.data, map.size, fd, &afhi);
1823 if (ret < 0)
1824 goto out_unmap;
1825 format_num = ret;
1826 afhi_ptr = &afhi;
1827 }
1828 munmap(map.data, map.size);
1829 close(fd);
1830 if (pad->flags & ADD_FLAG_VERBOSE) {
1831 send_ret = send_va_buffer(pad->fd, "adding %s\n", path);
1832 if (send_ret < 0)
1833 goto out_free;
1834 }
1835 save_add_callback_buffer(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1836 /* Ask afs to consider this entry for adding. */
1837 ret = send_callback_request(com_add_callback, &obj, send_result, &pad->fd);
1838 goto out_free;
1839
1840 out_unmap:
1841 close(fd);
1842 munmap(map.data, map.size);
1843 out_free:
1844 if (ret < 0 && send_ret >= 0)
1845 send_ret = send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1846 para_strerror(-ret));
1847 free(obj.data);
1848 if (afhi_ptr) {
1849 free(afhi_ptr->chunk_table);
1850 free(afhi_ptr->info_string);
1851 }
1852 /* Stop adding files only on send errors. */
1853 return send_ret;
1854 }
1855
1856 int com_add(int fd, int argc, char * const * const argv)
1857 {
1858 int i, ret;
1859 struct private_add_data pad = {.fd = fd, .flags = 0};
1860 struct stat statbuf;
1861
1862 for (i = 1; i < argc; i++) {
1863 const char *arg = argv[i];
1864 if (arg[0] != '-')
1865 break;
1866 if (!strcmp(arg, "--")) {
1867 i++;
1868 break;
1869 }
1870 if (!strcmp(arg, "-a")) {
1871 pad.flags |= ADD_FLAG_ALL;
1872 continue;
1873 }
1874 if (!strcmp(arg, "-l")) {
1875 pad.flags |= ADD_FLAG_LAZY;
1876 continue;
1877 }
1878 if (!strcmp(arg, "-f")) {
1879 pad.flags |= ADD_FLAG_FORCE;
1880 continue;
1881 }
1882 if (!strcmp(arg, "-v")) {
1883 pad.flags |= ADD_FLAG_VERBOSE;
1884 continue;
1885 }
1886 }
1887 if (argc <= i)
1888 return -E_AFT_SYNTAX;
1889 for (; i < argc; i++) {
1890 char *path;
1891 ret = verify_path(argv[i], &path);
1892 if (ret < 0) {
1893 ret = send_va_buffer(fd, "%s: %s\n", argv[i],
1894 para_strerror(-ret));
1895 if (ret < 0)
1896 return ret;
1897 continue;
1898 }
1899 ret = stat(path, &statbuf);
1900 if (ret < 0) {
1901 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1902 strerror(errno));
1903 free(path);
1904 if (ret < 0)
1905 return ret;
1906 continue;
1907 }
1908 if (S_ISDIR(statbuf.st_mode))
1909 ret = for_each_file_in_dir(path, add_one_audio_file,
1910 &pad);
1911 else
1912 ret = add_one_audio_file(path, &pad);
1913 if (ret < 0) {
1914 send_va_buffer(fd, "%s: %s\n", path, para_strerror(-ret));
1915 free(path);
1916 return ret;
1917 }
1918 free(path);
1919 }
1920 return 1;
1921
1922 }
1923
1924 /**
1925 * Flags used by the touch command.
1926 *
1927 * \sa com_touch().
1928 */
1929 enum touch_flags {
1930 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1931 TOUCH_FLAG_FNM_PATHNAME = 1,
1932 /** Activates verbose mode. */
1933 TOUCH_FLAG_VERBOSE = 2
1934 };
1935
1936 /** Options used by com_touch(). */
1937 struct com_touch_options {
1938 /** New num_played value. */
1939 int32_t num_played;
1940 /** New last played count. */
1941 int64_t last_played;
1942 /** New lyrics id. */
1943 int32_t lyrics_id;
1944 /** New image id. */
1945 int32_t image_id;
1946 /** New amplification value. */
1947 int32_t amp;
1948 /** Command line flags (see \ref touch_flags). */
1949 unsigned flags;
1950 };
1951
1952 /** Data passed to the action handler of com_touch(). */
1953 struct touch_action_data {
1954 /** Command line options (see \ref com_touch_options). */
1955 struct com_touch_options *cto;
1956 /** Message buffer. */
1957 struct para_buffer pb;
1958 /** How many audio files matched the given pattern. */
1959 unsigned num_matches;
1960 };
1961
1962 static int touch_audio_file(__a_unused struct osl_table *table,
1963 struct osl_row *row, const char *name, void *data)
1964 {
1965 struct touch_action_data *tad = data;
1966 struct osl_object obj;
1967 struct afs_info old_afsi, new_afsi;
1968 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1969 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0 && tad->cto->amp < 0;
1970 struct afsi_change_event_data aced;
1971
1972 ret = get_afsi_object_of_row(row, &obj);
1973 if (ret < 0)
1974 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
1975 ret = load_afsi(&old_afsi, &obj);
1976 if (ret < 0)
1977 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
1978 new_afsi = old_afsi;
1979 if (no_options) {
1980 new_afsi.num_played++;
1981 new_afsi.last_played = time(NULL);
1982 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
1983 ret = para_printf(&tad->pb, "%s: num_played = %u, "
1984 "last_played = now()\n", name,
1985 new_afsi.num_played);
1986 if (ret < 0)
1987 return ret;
1988 }
1989 } else {
1990 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
1991 ret = para_printf(&tad->pb, "touching %s\n", name);
1992 if (ret < 0)
1993 return ret;
1994 }
1995 if (tad->cto->lyrics_id >= 0)
1996 new_afsi.lyrics_id = tad->cto->lyrics_id;
1997 if (tad->cto->image_id >= 0)
1998 new_afsi.image_id = tad->cto->image_id;
1999 if (tad->cto->num_played >= 0)
2000 new_afsi.num_played = tad->cto->num_played;
2001 if (tad->cto->last_played >= 0)
2002 new_afsi.last_played = tad->cto->last_played;
2003 if (tad->cto->amp >= 0)
2004 new_afsi.amp = tad->cto->amp;
2005 }
2006 tad->num_matches++;
2007 save_afsi(&new_afsi, &obj); /* in-place update */
2008 aced.aft_row = row;
2009 aced.old_afsi = &old_afsi;
2010 afs_event(AFSI_CHANGE, &tad->pb, &aced);
2011 return 1;
2012 }
2013
2014 static void com_touch_callback(int fd, const struct osl_object *query)
2015 {
2016 struct touch_action_data tad = {.cto = query->data,
2017 .pb = {
2018 .max_size = SHMMAX,
2019 .private_data = &fd,
2020 .max_size_handler = pass_buffer_as_shm
2021 }
2022 };
2023 int ret, ret2 = 0;
2024 struct pattern_match_data pmd = {
2025 .table = audio_file_table,
2026 .loop_col_num = AFTCOL_HASH,
2027 .match_col_num = AFTCOL_PATH,
2028 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
2029 .size = query->size - sizeof(*tad.cto)},
2030 .data = &tad,
2031 .action = touch_audio_file
2032 };
2033 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
2034 pmd.fnmatch_flags |= FNM_PATHNAME;
2035 ret = for_each_matching_row(&pmd);
2036 if (ret < 0)
2037 ret2 = para_printf(&tad.pb, "%s\n", para_strerror(-ret));
2038 else
2039 if (!tad.num_matches)
2040 ret2 = para_printf(&tad.pb, "no matches\n");
2041 if (ret2 >= 0 && tad.pb.offset)
2042 pass_buffer_as_shm(tad.pb.buf, tad.pb.offset, &fd);
2043 free(tad.pb.buf);
2044 }
2045
2046 int com_touch(int fd, int argc, char * const * const argv)
2047 {
2048 struct com_touch_options cto = {
2049 .num_played = -1,
2050 .last_played = -1,
2051 .lyrics_id = -1,
2052 .image_id = -1,
2053 .amp = -1,
2054 };
2055 struct osl_object query = {.data = &cto, .size = sizeof(cto)};
2056 int i, ret;
2057
2058
2059 for (i = 1; i < argc; i++) {
2060 const char *arg = argv[i];
2061 if (arg[0] != '-')
2062 break;
2063 if (!strcmp(arg, "--")) {
2064 i++;
2065 break;
2066 }
2067 if (!strncmp(arg, "-n", 2)) {
2068 ret = para_atoi32(arg + 2, &cto.num_played);
2069 if (ret < 0)
2070 return ret;
2071 continue;
2072 }
2073 if (!strncmp(arg, "-l", 2)) {
2074 ret = para_atoi64(arg + 2, &cto.last_played);
2075 if (ret < 0)
2076 return ret;
2077 continue;
2078 }
2079 if (!strncmp(arg, "-y", 2)) {
2080 ret = para_atoi32(arg + 2, &cto.lyrics_id);
2081 if (ret < 0)
2082 return ret;
2083 continue;
2084 }
2085 if (!strncmp(arg, "-i", 2)) {
2086 ret = para_atoi32(arg + 2, &cto.image_id);
2087 if (ret < 0)
2088 return ret;
2089 continue;
2090 }
2091 if (!strncmp(arg, "-a", 2)) {
2092 int32_t val;
2093 ret = para_atoi32(arg + 2, &val);
2094 if (ret < 0)
2095 return ret;
2096 if (val < 0 || val > 255)
2097 return -ERRNO_TO_PARA_ERROR(EINVAL);
2098 cto.amp = val;
2099 continue;
2100 }
2101 if (!strcmp(arg, "-p")) {
2102 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
2103 continue;
2104 }
2105 if (!strcmp(arg, "-v")) {
2106 cto.flags |= TOUCH_FLAG_VERBOSE;
2107 continue;
2108 }
2109 break; /* non-option starting with dash */
2110 }
2111 if (i >= argc)
2112 return -E_AFT_SYNTAX;
2113 ret = send_option_arg_callback_request(&query, argc - i,
2114 argv + i, com_touch_callback, send_result, &fd);
2115 if (ret < 0)
2116 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2117 return ret;
2118 }
2119
2120 /** Flags for com_rm(). */
2121 enum rm_flags {
2122 /** -v */
2123 RM_FLAG_VERBOSE = 1,
2124 /** -f */
2125 RM_FLAG_FORCE = 2,
2126 /** -p */
2127 RM_FLAG_FNM_PATHNAME = 4
2128 };
2129
2130 /** Data passed to the action handler of com_rm(). */
2131 struct com_rm_action_data {
2132 /** Command line flags ((see \ref rm_flags). */
2133 uint32_t flags;
2134 /** Message buffer. */
2135 struct para_buffer pb;
2136 /** Number of audio files removed. */
2137 unsigned num_removed;
2138 };
2139
2140 static int remove_audio_file(__a_unused struct osl_table *table,
2141 struct osl_row *row, const char *name, void *data)
2142 {
2143 struct com_rm_action_data *crd = data;
2144 int ret;
2145
2146 if (crd->flags & RM_FLAG_VERBOSE) {
2147 ret = para_printf(&crd->pb, "removing %s\n", name);
2148 if (ret < 0)
2149 return ret;
2150 }
2151 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2152 ret = osl_del_row(audio_file_table, row);
2153 if (ret < 0)
2154 para_printf(&crd->pb, "%s: %s\n", name, para_strerror(-ret));
2155 else
2156 crd->num_removed++;
2157 return ret;
2158 }
2159
2160 static void com_rm_callback(int fd, const struct osl_object *query)
2161 {
2162 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data,
2163 .pb = {
2164 .max_size = SHMMAX,
2165 .private_data = &fd,
2166 .max_size_handler = pass_buffer_as_shm
2167 }
2168 };
2169 int ret;
2170 struct pattern_match_data pmd = {
2171 .table = audio_file_table,
2172 .loop_col_num = AFTCOL_HASH,
2173 .match_col_num = AFTCOL_PATH,
2174 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2175 .size = query->size - sizeof(uint32_t)},
2176 .data = &crd,
2177 .action = remove_audio_file
2178 };
2179 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2180 pmd.fnmatch_flags |= FNM_PATHNAME;
2181 ret = for_each_matching_row(&pmd);
2182 if (ret < 0) {
2183 para_printf(&crd.pb, "%s\n", para_strerror(-ret));
2184 return;
2185 }
2186 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2187 ret = para_printf(&crd.pb, "no matches -- nothing removed\n");
2188 else {
2189 if (crd.flags & RM_FLAG_VERBOSE)
2190 ret = para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2191 }
2192 if (ret >= 0 && crd.pb.offset)
2193 pass_buffer_as_shm(crd.pb.buf, crd.pb.offset, &fd);
2194 free(crd.pb.buf);
2195 }
2196
2197 /* TODO options: -r (recursive) */
2198 int com_rm(int fd, int argc, char * const * const argv)
2199 {
2200 uint32_t flags = 0;
2201 struct osl_object query = {.data = &flags, .size = sizeof(flags)};
2202 int i, ret;
2203
2204 for (i = 1; i < argc; i++) {
2205 const char *arg = argv[i];
2206 if (arg[0] != '-')
2207 break;
2208 if (!strcmp(arg, "--")) {
2209 i++;
2210 break;
2211 }
2212 if (!strcmp(arg, "-f")) {
2213 flags |= RM_FLAG_FORCE;
2214 continue;
2215 }
2216 if (!strcmp(arg, "-p")) {
2217 flags |= RM_FLAG_FNM_PATHNAME;
2218 continue;
2219 }
2220 if (!strcmp(arg, "-v")) {
2221 flags |= RM_FLAG_VERBOSE;
2222 continue;
2223 }
2224 break;
2225 }
2226 if (i >= argc)
2227 return -E_AFT_SYNTAX;
2228 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2229 com_rm_callback, send_result, &fd);
2230 if (ret < 0)
2231 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2232 return ret;
2233 }
2234
2235 /**
2236 * Flags used by the cpsi command.
2237 *
2238 * \sa com_cpsi().
2239 */
2240 enum cpsi_flags {
2241 /** Whether the lyrics id should be copied. */
2242 CPSI_FLAG_COPY_LYRICS_ID = 1,
2243 /** Whether the image id should be copied. */
2244 CPSI_FLAG_COPY_IMAGE_ID = 2,
2245 /** Whether the lastplayed time should be copied. */
2246 CPSI_FLAG_COPY_LASTPLAYED = 4,
2247 /** Whether the numplayed count should be copied. */
2248 CPSI_FLAG_COPY_NUMPLAYED = 8,
2249 /** Whether the attributes should be copied. */
2250 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2251 /** Activates verbose mode. */
2252 CPSI_FLAG_VERBOSE = 32,
2253 };
2254
2255 /** Data passed to the action handler of com_cpsi(). */
2256 struct cpsi_action_data {
2257 /** command line flags (see \ref cpsi_flags). */
2258 unsigned flags;
2259 /** Number of audio files changed. */
2260 unsigned num_copied;
2261 /** Message buffer. */
2262 struct para_buffer pb;
2263 /** Values are copied from here. */
2264 struct afs_info source_afsi;
2265 };
2266
2267 static int copy_selector_info(__a_unused struct osl_table *table,
2268 struct osl_row *row, const char *name, void *data)
2269 {
2270 struct cpsi_action_data *cad = data;
2271 struct osl_object target_afsi_obj;
2272 int ret;
2273 struct afs_info old_afsi, target_afsi;
2274 struct afsi_change_event_data aced;
2275
2276 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2277 if (ret < 0)
2278 return ret;
2279 load_afsi(&target_afsi, &target_afsi_obj);
2280 old_afsi = target_afsi;
2281 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2282 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2283 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2284 target_afsi.image_id = cad->source_afsi.image_id;
2285 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2286 target_afsi.last_played = cad->source_afsi.last_played;
2287 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2288 target_afsi.num_played = cad->source_afsi.num_played;
2289 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2290 target_afsi.attributes = cad->source_afsi.attributes;
2291 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2292 cad->num_copied++;
2293 if (cad->flags & CPSI_FLAG_VERBOSE) {
2294 ret = para_printf(&cad->pb, "copied afsi to %s\n", name);
2295 if (ret < 0)
2296 return ret;
2297 }
2298 aced.aft_row = row;
2299 aced.old_afsi = &old_afsi;
2300 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2301 return 1;
2302 }
2303
2304 static void com_cpsi_callback(int fd, const struct osl_object *query)
2305 {
2306 struct cpsi_action_data cad = {
2307 .flags = *(unsigned *)query->data,
2308 .pb = {
2309 .max_size = SHMMAX,
2310 .private_data = &fd,
2311 .max_size_handler = pass_buffer_as_shm
2312 }
2313 };
2314 int ret;
2315 char *source_path = (char *)query->data + sizeof(cad.flags);
2316 struct pattern_match_data pmd = {
2317 .table = audio_file_table,
2318 .loop_col_num = AFTCOL_HASH,
2319 .match_col_num = AFTCOL_PATH,
2320 .patterns = {.data = source_path + strlen(source_path) + 1,
2321 .size = query->size - sizeof(cad.flags)
2322 - strlen(source_path) - 1},
2323 .data = &cad,
2324 .action = copy_selector_info
2325 };
2326
2327 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2328 if (ret < 0)
2329 goto out;
2330 ret = for_each_matching_row(&pmd);
2331 out:
2332 if (ret < 0)
2333 para_printf(&cad.pb, "%s\n", para_strerror(-ret));
2334 else if (cad.flags & CPSI_FLAG_VERBOSE) {
2335 if (cad.num_copied)
2336 para_printf(&cad.pb, "copied requested afsi from %s "
2337 "to %u files\n", source_path, cad.num_copied);
2338 else
2339 para_printf(&cad.pb, "nothing copied\n");
2340 }
2341 if (cad.pb.offset)
2342 pass_buffer_as_shm(cad.pb.buf, cad.pb.offset, &fd);
2343 free(cad.pb.buf);
2344 }
2345
2346 int com_cpsi(int fd, int argc, char * const * const argv)
2347 {
2348 unsigned flags = 0;
2349 int i, ret;
2350 struct osl_object options = {.data = &flags, .size = sizeof(flags)};
2351
2352 for (i = 1; i < argc; i++) {
2353 const char *arg = argv[i];
2354 if (arg[0] != '-')
2355 break;
2356 if (!strcmp(arg, "--")) {
2357 i++;
2358 break;
2359 }
2360 if (!strcmp(arg, "-y")) {
2361 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2362 continue;
2363 }
2364 if (!strcmp(arg, "-i")) {
2365 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2366 continue;
2367 }
2368 if (!strcmp(arg, "-l")) {
2369 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2370 continue;
2371 }
2372 if (!strcmp(arg, "-n")) {
2373 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2374 continue;
2375 }
2376 if (!strcmp(arg, "-a")) {
2377 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2378 continue;
2379 }
2380 if (!strcmp(arg, "-v")) {
2381 flags |= CPSI_FLAG_VERBOSE;
2382 continue;
2383 }
2384 break;
2385 }
2386 if (i + 1 >= argc) /* need at least souce file and pattern */
2387 return -E_AFT_SYNTAX;
2388 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2389 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2390 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2391 com_cpsi_callback, send_result, &fd);
2392 if (ret < 0)
2393 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2394 return ret;
2395 }
2396
2397 /* TODO: optionally fix problems by removing offending rows */
2398 static int check_audio_file(struct osl_row *row, void *data)
2399 {
2400 char *path;
2401 struct para_buffer *pb = data;
2402 struct stat statbuf;
2403 int ret = get_audio_file_path_of_row(row, &path);
2404 struct afs_info afsi;
2405 char *blob_name;
2406
2407 if (ret < 0)
2408 return para_printf(pb, "%s\n", para_strerror(-ret));
2409 if (stat(path, &statbuf) < 0) {
2410 ret = para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2411 if (ret < 0)
2412 return ret;
2413 } else {
2414 if (!S_ISREG(statbuf.st_mode)) {
2415 ret = para_printf(pb, "%s: not a regular file\n", path);
2416 if (ret < 0)
2417 return ret;
2418 }
2419 }
2420 ret = get_afsi_of_row(row, &afsi);
2421 if (ret < 0)
2422 return para_printf(pb, "%s: %s\n", path, para_strerror(-ret));
2423 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2424 if (ret < 0) {
2425 ret = para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2426 para_strerror(-ret));
2427 if (ret < 0)
2428 return ret;
2429 }
2430 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2431 if (ret < 0)
2432 ret = para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2433 para_strerror(-ret));
2434 return ret;
2435 }
2436
2437 /**
2438 * Check the audio file table for inconsistencies.
2439 *
2440 * \param fd The afs socket.
2441 * \param query Unused.
2442 *
2443 * This function always succeeds.
2444 *
2445 * \sa com_check().
2446 */
2447 void aft_check_callback(int fd, __a_unused const struct osl_object *query)
2448 {
2449 struct para_buffer pb = {
2450 .max_size = SHMMAX,
2451 .private_data = &fd,
2452 .max_size_handler = pass_buffer_as_shm
2453 };
2454 int ret = para_printf(&pb, "checking audio file table...\n");
2455
2456 if (ret < 0)
2457 return;
2458 audio_file_loop(&pb, check_audio_file);
2459 if (pb.offset)
2460 pass_buffer_as_shm(pb.buf, pb.offset, &fd);
2461 free(pb.buf);
2462 }
2463
2464 /**
2465 * Close the audio file table.
2466 *
2467 * \param flags Usual flags that are passed to osl_close_table().
2468 *
2469 * \sa osl_close_table().
2470 */
2471 static void aft_close(void)
2472 {
2473 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2474 audio_file_table = NULL;
2475 }
2476
2477 /**
2478 * Open the audio file table.
2479 *
2480 * \param dir The database directory.
2481 *
2482 * \return Standard.
2483 *
2484 * \sa osl_open_table().
2485 */
2486 static int aft_open(const char *dir)
2487 {
2488 int ret;
2489
2490 audio_file_table_desc.dir = dir;
2491 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2492 if (ret >= 0) {
2493 unsigned num;
2494 osl_get_num_rows(audio_file_table, &num);
2495 PARA_INFO_LOG("audio file table contains %d files\n", num);
2496 return ret;
2497 }
2498 PARA_INFO_LOG("failed to open audio file table\n");
2499 audio_file_table = NULL;
2500 if (ret >= 0 || is_errno(-ret, ENOENT))
2501 return 1;
2502 return ret;
2503 }
2504
2505 static int aft_create(const char *dir)
2506 {
2507 audio_file_table_desc.dir = dir;
2508 return osl_create_table(&audio_file_table_desc);
2509 }
2510
2511 static int clear_attribute(struct osl_row *row, void *data)
2512 {
2513 struct rmatt_event_data *red = data;
2514 struct afs_info afsi;
2515 struct osl_object obj;
2516 int ret = get_afsi_object_of_row(row, &obj);
2517 uint64_t mask = ~(1ULL << red->bitnum);
2518
2519 if (ret < 0)
2520 return ret;
2521 ret = load_afsi(&afsi, &obj);
2522 if (ret < 0)
2523 return ret;
2524 afsi.attributes &= mask;
2525 save_afsi(&afsi, &obj);
2526 return 1;
2527 }
2528
2529 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2530 void *data)
2531 {
2532 int ret;
2533
2534 switch(event) {
2535 case ATTRIBUTE_REMOVE: {
2536 const struct rmatt_event_data *red = data;
2537 ret = para_printf(pb, "clearing attribute %s (bit %u) from all "
2538 "entries in the audio file table\n", red->name,
2539 red->bitnum);
2540 if (ret < 0)
2541 return ret;
2542 return audio_file_loop(data, clear_attribute);
2543 }
2544 default:
2545 return 1;
2546 }
2547 }
2548
2549 void aft_init(struct afs_table *t)
2550 {
2551 t->name = audio_file_table_desc.name;
2552 t->open = aft_open;
2553 t->close = aft_close;
2554 t->create = aft_create;
2555 t->event_handler = aft_event_handler;
2556 }