Implement mailbox output format for ls.
[paraslash.git] / aft.c
1 /*
2 * Copyright (C) 2007 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 "para.h"
10 #include "error.h"
11 #include <sys/mman.h>
12 #include <fnmatch.h>
13 #include "afh.h"
14 #include "afs.h"
15 #include "net.h"
16 #include "string.h"
17 #include "vss.h"
18
19 #define AFS_AUDIO_FILE_DIR "/home/mp3" /* FIXME: Use cwd instead */
20
21 static struct osl_table *audio_file_table;
22
23 /** The different sorting methods of the ls command. */
24 enum ls_sorting_method {
25 /** -sp (default) */
26 LS_SORT_BY_PATH,
27 /** -ss */
28 LS_SORT_BY_SCORE,
29 /** -sl */
30 LS_SORT_BY_LAST_PLAYED,
31 /** -sn */
32 LS_SORT_BY_NUM_PLAYED,
33 /** -sf */
34 LS_SORT_BY_FREQUENCY,
35 /** -sc */
36 LS_SORT_BY_CHANNELS,
37 /** -si */
38 LS_SORT_BY_IMAGE_ID,
39 /** -sy */
40 LS_SORT_BY_LYRICS_ID,
41 /** -sb */
42 LS_SORT_BY_BITRATE,
43 /** -sd */
44 LS_SORT_BY_DURATION,
45 /** -sa */
46 LS_SORT_BY_AUDIO_FORMAT,
47 /** -sh */
48 LS_SORT_BY_HASH,
49 };
50
51 /** The different listing modes of the ls command. */
52 enum ls_listing_mode {
53 /** Default listing mode. */
54 LS_MODE_SHORT,
55 /** -l or -ll */
56 LS_MODE_LONG,
57 /** -lv */
58 LS_MODE_VERBOSE,
59 /** -lm */
60 LS_MODE_MBOX
61 };
62
63 /** The flags accepted by the ls command. */
64 enum ls_flags {
65 /** -p */
66 LS_FLAG_FULL_PATH = 1,
67 /** -a */
68 LS_FLAG_ADMISSIBLE_ONLY = 2,
69 /** -r */
70 LS_FLAG_REVERSE = 4,
71 };
72
73 /**
74 * The size of the individual output fields of the ls command.
75 *
76 * These depend on the actual content being listed. If, for instance only files
77 * with duration less than an hour are being listed, then the duration with is
78 * made smaller because then the duration is listed as mm:ss rather than
79 * hh:mm:ss.
80 */
81 struct ls_widths {
82 /** size of the score field. */
83 unsigned short score_width;
84 /** size of the image id field. */
85 unsigned short image_id_width;
86 /** size of the lyrics id field. */
87 unsigned short lyrics_id_width;
88 /** size of the bitrate field. */
89 unsigned short bitrate_width;
90 /** size of the frequency field. */
91 unsigned short frequency_width;
92 /** size of the duration field. */
93 unsigned short duration_width;
94 /** size of the num played field. */
95 unsigned short num_played_width;
96 };
97
98 /** Data passed to the different compare functions (called by qsort()). */
99 struct ls_data {
100 /** Usual audio format handler information. */
101 struct audio_format_info afhi;
102 /** Audio file selector information. */
103 struct afs_info afsi;
104 /** The full path of the audio file. */
105 char *path;
106 /** The score value (if -a was given). */
107 long score;
108 /** The sha1 hash of audio file. */
109 HASH_TYPE *hash;
110 };
111
112 struct ls_options {
113 unsigned flags;
114 enum ls_sorting_method sorting;
115 enum ls_listing_mode mode;
116 char **patterns;
117 int num_patterns;
118 struct ls_widths widths;
119 uint32_t array_size;
120 uint32_t num_matching_paths;
121 struct ls_data *data;
122 struct ls_data **data_ptr;
123 };
124
125 /**
126 * Describes the layout of the mmapped-afs info struct.
127 *
128 * \sa struct afs_info.
129 */
130 enum afsi_offsets {
131 /** Where .last_played is stored. */
132 AFSI_LAST_PLAYED_OFFSET = 0,
133 /** Storage position of the attributes bitmap. */
134 AFSI_ATTRIBUTES_OFFSET = 8,
135 /** Storage position of the .num_played field. */
136 AFSI_NUM_PLAYED_OFFSET = 16,
137 /** Storage position of the .image_id field. */
138 AFSI_IMAGE_ID_OFFSET = 20,
139 /** Storage position of the .lyrics_id field. */
140 AFSI_LYRICS_ID_OFFSET = 24,
141 /** Storage position of the .audio_format_id field. */
142 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
143 /** On-disk storage space needed. */
144 AFSI_SIZE = 29
145 };
146
147 /**
148 * Convert a struct afs_info to an osl object.
149 *
150 * \param afsi Pointer to the audio file info to be converted.
151 * \param obj Result pointer.
152 *
153 * \sa load_afsi().
154 */
155 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
156 {
157 char *buf = obj->data;
158
159 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
160 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
161 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
162 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
163 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
164 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
165 afsi->audio_format_id);
166 }
167
168 /**
169 * Get the audio file selector info struct stored in an osl object.
170 *
171 * \param afsi Points to the audio_file info structure to be filled in.
172 * \param obj The osl object holding the data.
173 *
174 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
175 *
176 * \sa save_afsi().
177 */
178 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
179 {
180 char *buf = obj->data;
181 if (obj->size < AFSI_SIZE)
182 return -E_BAD_AFSI;
183 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
184 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
185 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
186 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
187 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
188 afsi->audio_format_id = read_u8(buf +
189 AFSI_AUDIO_FORMAT_ID_OFFSET);
190 return 1;
191 }
192
193 /** The columns of the audio file table. */
194 enum audio_file_table_columns {
195 /** The hash on the content of the audio file. */
196 AFTCOL_HASH,
197 /** The full path in the filesystem. */
198 AFTCOL_PATH,
199 /** The audio file selector info. */
200 AFTCOL_AFSI,
201 /** The audio format handler info. */
202 AFTCOL_AFHI,
203 /** The chunk table info and the chunk table of the audio file. */
204 AFTCOL_CHUNKS,
205 /** The number of columns of this table. */
206 NUM_AFT_COLUMNS
207 };
208
209 static struct osl_column_description aft_cols[] = {
210 [AFTCOL_HASH] = {
211 .storage_type = OSL_MAPPED_STORAGE,
212 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
213 .name = "hash",
214 .compare_function = osl_hash_compare,
215 .data_size = HASH_SIZE
216 },
217 [AFTCOL_PATH] = {
218 .storage_type = OSL_MAPPED_STORAGE,
219 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
220 .name = "path",
221 .compare_function = string_compare,
222 },
223 [AFTCOL_AFSI] = {
224 .storage_type = OSL_MAPPED_STORAGE,
225 .storage_flags = OSL_FIXED_SIZE,
226 .name = "afs_info",
227 .data_size = AFSI_SIZE
228 },
229 [AFTCOL_AFHI] = {
230 .storage_type = OSL_MAPPED_STORAGE,
231 .name = "afh_info",
232 },
233 [AFTCOL_CHUNKS] = {
234 .storage_type = OSL_DISK_STORAGE,
235 .name = "chunks",
236 }
237 };
238
239 static struct osl_table_description audio_file_table_desc = {
240 .name = "audio_files",
241 .num_columns = NUM_AFT_COLUMNS,
242 .flags = OSL_LARGE_TABLE,
243 .column_descriptions = aft_cols
244 };
245
246 static char *prefix_path(const char *prefix, int len, const char *path)
247 {
248 int speclen;
249 char *n;
250
251 for (;;) {
252 char c;
253 if (*path != '.')
254 break;
255 c = path[1];
256 /* "." */
257 if (!c) {
258 path++;
259 break;
260 }
261 /* "./" */
262 if (c == '/') {
263 path += 2;
264 continue;
265 }
266 if (c != '.')
267 break;
268 c = path[2];
269 if (!c)
270 path += 2;
271 else if (c == '/')
272 path += 3;
273 else
274 break;
275 /* ".." and "../" */
276 /* Remove last component of the prefix */
277 do {
278 if (!len)
279 return NULL;
280 len--;
281 } while (len && prefix[len-1] != '/');
282 continue;
283 }
284 if (!len)
285 return para_strdup(path);
286 speclen = strlen(path);
287 n = para_malloc(speclen + len + 1);
288 memcpy(n, prefix, len);
289 memcpy(n + len, path, speclen+1);
290 return n;
291 }
292
293 /*
294 * We fundamentally don't like some paths: we don't want
295 * dot or dot-dot anywhere.
296 *
297 * Also, we don't want double slashes or slashes at the
298 * end that can make pathnames ambiguous.
299 */
300 static int verify_dotfile(const char *rest)
301 {
302 /*
303 * The first character was '.', but that has already been discarded, we
304 * now test the rest.
305 */
306 switch (*rest) {
307 /* "." is not allowed */
308 case '\0': case '/':
309 return 1;
310
311 case '.':
312 if (rest[1] == '\0' || rest[1] == '/')
313 return -1;
314 }
315 return 1;
316 }
317
318 static int verify_path(const char *orig_path, char **resolved_path)
319 {
320 char c;
321 const char prefix[] = AFS_AUDIO_FILE_DIR "/";
322 const char *path = orig_path;
323 const size_t prefix_len = strlen(prefix);
324
325 c = *path++;
326 if (!c)
327 goto bad_path;
328 while (c) {
329 if (c == '/') {
330 c = *path++;
331 switch (c) {
332 default:
333 continue;
334 case '/': /* double slash */
335 goto bad_path;
336 case '.':
337 if (verify_dotfile(path) < 0)
338 goto bad_path;
339 }
340 }
341 c = *path++;
342 }
343 if (*orig_path != '/')
344 *resolved_path = prefix_path(prefix, prefix_len, orig_path);
345 else
346 *resolved_path = para_strdup(orig_path);
347 return 1;
348 bad_path:
349 return -E_BAD_PATH;
350 }
351
352 enum afhi_offsets {
353 AFHI_SECONDS_TOTAL_OFFSET = 0,
354 AFHI_BITRATE_OFFSET = 4,
355 AFHI_FREQUENCY_OFFSET = 8,
356 AFHI_CHANNELS_OFFSET = 12,
357 AFHI_INFO_STRING_OFFSET = 13,
358 MIN_AFHI_SIZE = 14
359 };
360
361 static unsigned sizeof_afhi_buf(const struct audio_format_info *afhi)
362 {
363 if (!afhi)
364 return 0;
365 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
366 }
367
368 static void save_afhi(struct audio_format_info *afhi, char *buf)
369 {
370 if (!afhi)
371 return;
372 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
373 afhi->seconds_total);
374 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
375 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
376 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
377 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
378 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
379 }
380
381 static void load_afhi(const char *buf, struct audio_format_info *afhi)
382 {
383 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
384 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
385 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
386 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
387 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
388 }
389
390 static unsigned sizeof_chunk_info_buf(struct audio_format_info *afhi)
391 {
392 if (!afhi)
393 return 0;
394 return 4 * afhi->chunks_total + 20;
395
396 }
397
398 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
399 enum chunk_info_offsets{
400 /** The total number of chunks (4 bytes). */
401 CHUNKS_TOTAL_OFFSET = 0,
402 /** The length of the audio file header (4 bytes). */
403 HEADER_LEN_OFFSET = 4,
404 /** The start of the audio file header (4 bytes). */
405 HEADER_OFFSET_OFFSET = 8,
406 /** The seconds part of the chunk time (4 bytes). */
407 CHUNK_TV_TV_SEC_OFFSET = 12,
408 /** The microseconds part of the chunk time (4 bytes). */
409 CHUNK_TV_TV_USEC = 16,
410 /** Chunk table entries start here. */
411 CHUNK_TABLE_OFFSET = 20,
412 };
413
414 /* TODO: audio format handlers could just produce this */
415 static void save_chunk_info(struct audio_format_info *afhi, char *buf)
416 {
417 int i;
418
419 if (!afhi)
420 return;
421 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
422 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
423 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
424 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
425 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
426 for (i = 0; i < afhi->chunks_total; i++)
427 write_u32(buf + CHUNK_TABLE_OFFSET + 4 * i, afhi->chunk_table[i]);
428 }
429
430 static int load_chunk_info(struct osl_object *obj, struct audio_format_info *afhi)
431 {
432 char *buf = obj->data;
433 int i;
434
435 if (obj->size < CHUNK_TABLE_OFFSET)
436 return -E_BAD_DATA_SIZE;
437
438 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
439 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
440 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
441 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
442 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
443
444 if (afhi->chunks_total * 4 + CHUNK_TABLE_OFFSET > obj->size)
445 return -E_BAD_DATA_SIZE;
446 afhi->chunk_table = para_malloc(afhi->chunks_total * sizeof(size_t));
447 for (i = 0; i < afhi->chunks_total; i++)
448 afhi->chunk_table[i] = read_u32(buf + CHUNK_TABLE_OFFSET + 4 * i);
449 return 1;
450 }
451
452 /**
453 * Get the row of the audio file table corresponding to the given path.
454 *
455 * \param path The full path of the audio file.
456 * \param row Result pointer.
457 *
458 * \return The return value of the underlying call to osl_get_row().
459 */
460 int aft_get_row_of_path(char *path, struct osl_row **row)
461 {
462 struct osl_object obj = {.data = path, .size = strlen(path) + 1};
463
464 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
465 }
466
467 /**
468 * Get the row of the audio file table corresponding to the given hash value.
469 *
470 * \param hash The hash value of the desired audio file.
471 * \param row resul pointer.
472 *
473 * \return The return value of the underlying call to osl_get_row().
474 */
475 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
476 {
477 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
478 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
479 }
480
481 /**
482 * Get the osl object holding the audio file selector info of a row.
483 *
484 * \param row Pointer to a row in the audio file table.
485 * \param obj Result pointer.
486 *
487 * \return The return value of the underlying call to osl_get_object().
488 */
489 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
490 {
491 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
492 }
493
494 /**
495 * Get the osl object holding the audio file selector info, given a path.
496 *
497 *
498 * \param path The full path of the audio file.
499 * \param obj Result pointer.
500 *
501 * \return Positive on success, negative on errors.
502 */
503 int get_afsi_object_of_path(char *path, struct osl_object *obj)
504 {
505 struct osl_row *row;
506 int ret = aft_get_row_of_path(path, &row);
507 if (ret < 0)
508 return ret;
509 return get_afsi_object_of_row(row, obj);
510 }
511
512 /**
513 * Get the audio file selector info, given a row of the audio file table.
514 *
515 * \param row Pointer to a row in the audio file table.
516 * \param afsi Result pointer.
517 *
518 * \return Positive on success, negative on errors.
519 */
520 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
521 {
522 struct osl_object obj;
523 int ret = get_afsi_object_of_row(row, &obj);
524 if (ret < 0)
525 return ret;
526 return load_afsi(afsi, &obj);
527 }
528
529 /**
530 * Get the path of an audio file, given a row of the audio file table.
531 *
532 * \param row Pointer to a row in the audio file table.
533 * \param path Result pointer.
534 *
535 * \return Positive on success, negative on errors.
536 */
537 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
538 {
539 struct osl_object path_obj;
540 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
541 &path_obj);
542 if (ret < 0)
543 return ret;
544 *path = path_obj.data;
545 return 1;
546 }
547
548 /**
549 * Get the object containing the hash value of an audio file, given a row.
550 *
551 * \param row Pointer to a row of the audio file table.
552 * \param obj Result pointer.
553 *
554 * \return The return value of the underlying call to osl_get_object().
555 *
556 * \sa get_hash_of_row().
557 */
558 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
559 {
560 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
561 }
562
563 /**
564 * Get the hash value of an audio file, given a row of the audio file table.
565 *
566 * \param row Pointer to a row of the audio file table.
567 * \param hash Result pointer.
568 *
569 * \a hash points to mapped data and must not be freed by the caller.
570 *
571 * \return The return value of the underlying call to
572 * get_hash_object_of_aft_row().
573 */
574 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
575 {
576 struct osl_object obj;
577 int ret = get_hash_object_of_aft_row(row, &obj);
578
579 if (ret < 0)
580 return ret;
581 *hash = obj.data;
582 return 1;
583 }
584
585 /**
586 * Get the audio format handler info, given a row of the audio file table.
587 *
588 * \param row Pointer to a row of the audio file table.
589 * \param afhi Result pointer.
590 *
591 * \return The return value of the underlying call to osl_get_object().
592 *
593 * \sa get_chunk_table_of_row().
594 */
595 int get_afhi_of_row(const struct osl_row *row, struct audio_format_info *afhi)
596 {
597 struct osl_object obj;
598 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
599 &obj);
600 if (ret < 0)
601 return ret;
602 load_afhi(obj.data, afhi);
603 return 1;
604 }
605
606 /**
607 * Get the chunk table of an audio file, given a row of the audio file table.
608 *
609 * \param row Pointer to a row of the audio file table.
610 * \param afhi Result pointer.
611 *
612 * \return The return value of the underlying call to osl_open_disk_object().
613 *
614 * \sa get_afhi_of_row().
615 */
616 static int get_chunk_table_of_row(const struct osl_row *row, struct audio_format_info *afhi)
617 {
618 struct osl_object obj;
619 int ret = osl_open_disk_object(audio_file_table, row, AFTCOL_CHUNKS,
620 &obj);
621 if (ret < 0)
622 return ret;
623 ret = load_chunk_info(&obj, afhi);
624 osl_close_disk_object(&obj);
625 return ret;
626 }
627
628 /**
629 * Mmap the given audio file and update statistics.
630 *
631 * \param aft_row Determines the audio file to be opened and updated.
632 * \param afd Result pointer.
633 *
634 * On success, the numplayed field of the audio file selector info is increased
635 * and the lastplayed time is set to the current time. Finally, the score of
636 * the audio file is updated.
637 *
638 * \return Positive on success, negative on errors.
639 */
640 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
641 {
642 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
643 struct osl_object afsi_obj;
644 struct afs_info new_afsi;
645 int ret = get_hash_of_row(aft_row, &aft_hash);
646
647 if (ret < 0)
648 return ret;
649 ret = get_audio_file_path_of_row(aft_row, &afd->path);
650 if (ret < 0)
651 return ret;
652 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
653 if (ret < 0)
654 return ret;
655 ret = load_afsi(&afd->afsi, &afsi_obj);
656 if (ret < 0)
657 return ret;
658 ret = get_afhi_of_row(aft_row, &afd->afhi);
659 if (ret < 0)
660 return ret;
661 ret = get_chunk_table_of_row(aft_row, &afd->afhi);
662 if (ret < 0)
663 return ret;
664 ret = mmap_full_file(afd->path, O_RDONLY, &afd->map);
665 if (ret < 0)
666 goto err;
667 hash_function(afd->map.data, afd->map.size, file_hash);
668 ret = -E_HASH_MISMATCH;
669 if (hash_compare(file_hash, aft_hash))
670 goto err;
671 new_afsi = afd->afsi;
672 new_afsi.num_played++;
673 new_afsi.last_played = time(NULL);
674 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
675 if (afd->current_play_mode == PLAY_MODE_PLAYLIST)
676 ret = playlist_update_audio_file(aft_row);
677 else
678 ret = mood_update_audio_file(aft_row, &afd->afsi);
679 return ret;
680 err:
681 free(afd->afhi.chunk_table);
682 return ret;
683 }
684
685 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
686 time_t current_time, enum ls_listing_mode lm)
687 {
688 struct tm t;
689
690 if (!localtime_r((time_t *)seconds, &t))
691 return -E_LOCALTIME;
692 if (lm == LS_MODE_MBOX) {
693 if (!strftime(buf, size, "%c", &t))
694 return -E_STRFTIME;
695 return 1;
696 }
697 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
698 if (!strftime(buf, size, "%b %e %k:%M", &t))
699 return -E_STRFTIME;
700 return 1;
701 }
702 if (!strftime(buf, size, "%b %e %Y", &t))
703 return -E_STRFTIME;
704 return 1;
705 }
706
707 #define GET_NUM_DIGITS(x, num) { \
708 typeof((x)) _tmp = PARA_ABS(x); \
709 *num = 1; \
710 if ((x)) \
711 while ((_tmp) > 9) { \
712 (_tmp) /= 10; \
713 (*num)++; \
714 } \
715 }
716
717 static short unsigned get_duration_width(int seconds)
718 {
719 short unsigned width;
720 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
721
722 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
723 return 4 + (mins > 9);
724 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
725 GET_NUM_DIGITS(hours, &width);
726 return width + 6;
727 }
728
729 static void get_duration_buf(int seconds, char *buf, short unsigned max_width)
730 {
731 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
732
733 if (!hours) /* m:ss or mm:ss */
734 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
735 else /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
736 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
737 seconds % 60);
738 }
739
740 static char *make_attribute_line(const char *att_bitmap, struct afs_info *afsi)
741 {
742 char *att_text, *att_line;
743
744 get_attribute_text(&afsi->attributes, " ", &att_text);
745 if (!att_text)
746 return para_strdup(att_bitmap);
747 att_line = make_message("%s (%s)", att_bitmap, att_text);
748 free(att_text);
749 return att_line;
750 }
751
752 static char *make_lyrics_line(struct afs_info *afsi)
753 {
754 char *lyrics_name;
755
756 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
757 if (!lyrics_name)
758 return make_message("%u", afsi->lyrics_id);
759 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
760 }
761
762 static char *make_image_line(struct afs_info *afsi)
763 {
764 char *image_name;
765 img_get_name_by_id(afsi->image_id, &image_name);
766 if (!image_name)
767 return make_message("%u", afsi->image_id);
768 return make_message("%u (%s)", afsi->image_id, image_name);
769 }
770
771 static int print_list_item(struct ls_data *d, struct ls_options *opts,
772 struct para_buffer *b, time_t current_time)
773 {
774 int ret;
775 char att_buf[65];
776 char last_played_time[30];
777 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
778 char score_buf[30] = "";
779 struct afs_info *afsi = &d->afsi;
780 struct audio_format_info *afhi = &d->afhi;
781 struct ls_widths *w = &opts->widths;
782 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
783 char asc_hash[2 * HASH_SIZE + 1];
784 char *att_line, *lyrics_line, *image_line;
785
786 if (opts->mode == LS_MODE_SHORT) {
787 para_printf(b, "%s\n", d->path);
788 return 1;
789 }
790 get_attribute_bitmap(&afsi->attributes, att_buf);
791 ret = get_local_time(&afsi->last_played, last_played_time,
792 sizeof(last_played_time), current_time, opts->mode);
793 if (ret < 0)
794 return ret;
795 get_duration_buf(afhi->seconds_total, duration_buf, w->duration_width);
796 if (have_score) {
797 if (opts->mode == LS_MODE_LONG)
798 sprintf(score_buf, "%*li ", w->score_width, d->score);
799 else
800 sprintf(score_buf, "%li ", d->score);
801 }
802
803 PARA_NOTICE_LOG("id: %s, %d\n", d->path, afsi->audio_format_id);
804 if (opts->mode == LS_MODE_LONG) {
805 para_printf(b,
806 "%s" /* score */
807 "%s " /* attributes */
808 "%*d " /* image_id */
809 "%*d " /* lyrics_id */
810 "%*d " /* bitrate */
811 "%s " /* audio format */
812 "%*d " /* frequency */
813 "%d " /* channels */
814 "%s " /* duration */
815 "%*d " /* num_played */
816 "%s " /* last_played */
817 "%s\n", /* path */
818 score_buf,
819 att_buf,
820 w->image_id_width, afsi->image_id,
821 w->lyrics_id_width, afsi->lyrics_id,
822 w->bitrate_width, afhi->bitrate,
823 audio_format_name(afsi->audio_format_id),
824 w->frequency_width, afhi->frequency,
825 afhi->channels,
826 duration_buf,
827 w->num_played_width, afsi->num_played,
828 last_played_time,
829 d->path
830 );
831 return 1;
832 }
833 hash_to_asc(d->hash, asc_hash);
834 att_line = make_attribute_line(att_buf, afsi);
835 lyrics_line = make_lyrics_line(afsi);
836 image_line = make_image_line(afsi);
837 if (opts->mode == LS_MODE_VERBOSE) {
838
839 para_printf(b,
840 "%s: %s\n" /* path */
841 "%s%s%s" /* score */
842 "attributes: %s\n"
843 "hash: %s\n"
844 "image_id: %s\n"
845 "lyrics_id: %s\n"
846 "bitrate: %dkbit/s\n"
847 "format: %s\n"
848 "frequency: %dHz\n"
849 "channels: %d\n"
850 "duration: %s\n"
851 "num_played: %d\n"
852 "last_played: %s\n"
853 "tag info: %s\n",
854 (opts->flags & LS_FLAG_FULL_PATH)?
855 "path" : "file", d->path,
856 have_score? "score: " : "", score_buf,
857 have_score? "\n" : "",
858 att_line,
859 asc_hash,
860 image_line,
861 lyrics_line,
862 afhi->bitrate,
863 audio_format_name(afsi->audio_format_id),
864 afhi->frequency,
865 afhi->channels,
866 duration_buf,
867 afsi->num_played,
868 last_played_time,
869 afhi->info_string
870 );
871 } else { /* mbox mode */
872 struct osl_object lyrics_def;
873 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
874 para_printf(b,
875 "From foo@localhost %s\n"
876 "Received: from\nTo: bar\nFrom: a\n"
877 "Subject: %s\n\n" /* path */
878 "%s%s%s" /* score */
879 "attributes: %s\n"
880 "hash: %s\n"
881 "image_id: %s\n"
882 "lyrics_id: %s\n"
883 "bitrate: %dkbit/s\n"
884 "format: %s\n"
885 "frequency: %dHz\n"
886 "channels: %d\n"
887 "duration: %s\n"
888 "num_played: %d\n"
889 "tag info: %s\n"
890 "%s%s\n",
891 last_played_time,
892 d->path,
893 have_score? "score: " : "", score_buf,
894 have_score? "\n" : "",
895 att_line,
896 asc_hash,
897 image_line,
898 lyrics_line,
899 afhi->bitrate,
900 audio_format_name(afsi->audio_format_id),
901 afhi->frequency,
902 afhi->channels,
903 duration_buf,
904 afsi->num_played,
905 afhi->info_string,
906 lyrics_def.data? "Lyrics:\n~~~~~~~\n" : "",
907 lyrics_def.data? (char *)lyrics_def.data : ""
908 );
909 if (lyrics_def.data)
910 osl_close_disk_object(lyrics_def.data);
911 }
912 free(att_line);
913 free(lyrics_line);
914 free(image_line);
915 return 1;
916 }
917
918 static int ls_audio_format_compare(const void *a, const void *b)
919 {
920 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
921 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
922 }
923
924 static int ls_duration_compare(const void *a, const void *b)
925 {
926 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
927 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
928 }
929
930 static int ls_bitrate_compare(const void *a, const void *b)
931 {
932 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
933 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
934 }
935
936 static int ls_lyrics_id_compare(const void *a, const void *b)
937 {
938 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
939 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
940 }
941
942 static int ls_image_id_compare(const void *a, const void *b)
943 {
944 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
945 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
946 }
947
948 static int ls_channels_compare(const void *a, const void *b)
949 {
950 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
951 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
952 }
953
954 static int ls_frequency_compare(const void *a, const void *b)
955 {
956 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
957 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
958 }
959
960 static int ls_num_played_compare(const void *a, const void *b)
961 {
962 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
963 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
964 }
965
966 static int ls_last_played_compare(const void *a, const void *b)
967 {
968 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
969 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
970 }
971
972 static int ls_score_compare(const void *a, const void *b)
973 {
974 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
975 return NUM_COMPARE(d1->score, d2->score);
976 }
977
978 static int ls_path_compare(const void *a, const void *b)
979 {
980 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
981 return strcmp(d1->path, d2->path);
982 }
983
984 static int sort_matching_paths(struct ls_options *options)
985 {
986 size_t nmemb = options->num_matching_paths;
987 size_t size = sizeof(*options->data_ptr);
988 int (*compar)(const void *, const void *);
989 int i;
990
991 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
992 for (i = 0; i < nmemb; i++)
993 options->data_ptr[i] = options->data + i;
994
995 /* In these cases the array is already sorted */
996 if (options->sorting == LS_SORT_BY_PATH
997 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
998 && (options->flags & LS_FLAG_FULL_PATH))
999 return 1;
1000 if (options->sorting == LS_SORT_BY_SCORE &&
1001 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1002 return 1;
1003
1004 switch (options->sorting) {
1005 case LS_SORT_BY_PATH:
1006 compar = ls_path_compare; break;
1007 case LS_SORT_BY_SCORE:
1008 compar = ls_score_compare; break;
1009 case LS_SORT_BY_LAST_PLAYED:
1010 compar = ls_last_played_compare; break;
1011 case LS_SORT_BY_NUM_PLAYED:
1012 compar = ls_num_played_compare; break;
1013 case LS_SORT_BY_FREQUENCY:
1014 compar = ls_frequency_compare; break;
1015 case LS_SORT_BY_CHANNELS:
1016 compar = ls_channels_compare; break;
1017 case LS_SORT_BY_IMAGE_ID:
1018 compar = ls_image_id_compare; break;
1019 case LS_SORT_BY_LYRICS_ID:
1020 compar = ls_lyrics_id_compare; break;
1021 case LS_SORT_BY_BITRATE:
1022 compar = ls_bitrate_compare; break;
1023 case LS_SORT_BY_DURATION:
1024 compar = ls_duration_compare; break;
1025 case LS_SORT_BY_AUDIO_FORMAT:
1026 compar = ls_audio_format_compare; break;
1027 default:
1028 return -E_BAD_SORT;
1029 }
1030 qsort(options->data_ptr, nmemb, size, compar);
1031 return 1;
1032 }
1033
1034 /* row is either an aft_row or a row of the score table */
1035 /* TODO: Only compute widths if we need them */
1036 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1037 {
1038 int ret, i;
1039 struct ls_options *options = ls_opts;
1040 struct ls_data *d;
1041 struct ls_widths *w;
1042 unsigned short num_digits;
1043 unsigned tmp;
1044 struct osl_row *aft_row;
1045 long score;
1046 char *path;
1047
1048 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1049 ret = get_score_and_aft_row(row, &score, &aft_row);
1050 if (ret < 0)
1051 return ret;
1052 } else
1053 aft_row = row;
1054 ret = get_audio_file_path_of_row(aft_row, &path);
1055 if (ret < 0)
1056 return ret;
1057 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1058 char *p = strrchr(path, '/');
1059 if (p)
1060 path = p + 1;
1061 }
1062 if (options->num_patterns) {
1063 for (i = 0; i < options->num_patterns; i++) {
1064 ret = fnmatch(options->patterns[i], path, 0);
1065 if (!ret)
1066 break;
1067 if (ret == FNM_NOMATCH)
1068 continue;
1069 return -E_FNMATCH;
1070 }
1071 if (i >= options->num_patterns) /* no match */
1072 return 1;
1073 }
1074 tmp = options->num_matching_paths++;
1075 if (options->num_matching_paths > options->array_size) {
1076 options->array_size++;
1077 options->array_size *= 2;
1078 options->data = para_realloc(options->data, options->array_size
1079 * sizeof(*options->data));
1080 }
1081 d = options->data + tmp;
1082 ret = get_afsi_of_row(aft_row, &d->afsi);
1083 if (ret < 0)
1084 return ret;
1085 ret = get_afhi_of_row(aft_row, &d->afhi);
1086 if (ret < 0)
1087 return ret;
1088 d->path = path;
1089 ret = get_hash_of_row(aft_row, &d->hash);
1090 if (ret < 0)
1091 return ret;
1092 w = &options->widths;
1093 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1094 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1095 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1096 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1097 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1098 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1099 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1100 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1101 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1102 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1103 /* get the number of chars to print this amount of time */
1104 tmp = get_duration_width(d->afhi.seconds_total);
1105 w->duration_width = PARA_MAX(w->duration_width, tmp);
1106 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1107 GET_NUM_DIGITS(score, &num_digits);
1108 num_digits++; /* add one for the sign (space or "-") */
1109 w->score_width = PARA_MAX(w->score_width, num_digits);
1110 d->score = score;
1111 }
1112 return 1;
1113 }
1114
1115 static int com_ls_callback(const struct osl_object *query,
1116 struct osl_object *ls_output)
1117 {
1118 struct ls_options *opts = query->data;
1119 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1120 struct para_buffer b = {.buf = NULL, .size = 0};
1121 int i = 0, ret;
1122 time_t current_time;
1123
1124
1125 PARA_NOTICE_LOG("%d patterns\n", opts->num_patterns);
1126 if (opts->num_patterns) {
1127 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1128 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1129 opts->patterns[i] = p;
1130 p += strlen(p) + 1;
1131 PARA_NOTICE_LOG("pattern %d: %s\n", i, opts->patterns[i]);
1132 }
1133 } else
1134 opts->patterns = NULL;
1135 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1136 ret = admissible_file_loop(opts, prepare_ls_row);
1137 else
1138 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1139 prepare_ls_row);
1140 if (ret < 0)
1141 goto out;
1142 ret = opts->num_patterns? -E_NO_MATCH : 0;
1143 if (!opts->num_matching_paths) {
1144 PARA_NOTICE_LOG("no match, ret: %d\n", ret);
1145 goto out;
1146 }
1147 ret = sort_matching_paths(opts);
1148 if (ret < 0)
1149 goto out;
1150 time(&current_time);
1151 if (opts->flags & LS_FLAG_REVERSE)
1152 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1153 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1154 if (ret < 0)
1155 break;
1156 }
1157 else
1158 for (i = 0; i < opts->num_matching_paths; i++) {
1159 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1160 if (ret < 0)
1161 break;
1162 }
1163 ret = 1;
1164 out:
1165 ls_output->data = b.buf;
1166 PARA_NOTICE_LOG("ls_outoute.data: %p\n", ls_output->data);
1167 ls_output->size = b.size;
1168 free(opts->data);
1169 free(opts->data_ptr);
1170 free(opts->patterns);
1171 return ret;
1172 }
1173
1174 /*
1175 * TODO: flags -h (sort by hash) -lm (list in mbox format)
1176 *
1177 * long list: list hash, attributes as (xx--x-x-), file size, lastplayed
1178 * full list: list everything, including afsi, afhi, atts as clear text
1179 *
1180 * */
1181 int com_afs_ls(int fd, int argc, char * const * const argv)
1182 {
1183 int i, ret;
1184 unsigned flags = 0;
1185 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1186 enum ls_listing_mode mode = LS_MODE_SHORT;
1187 struct ls_options opts = {.patterns = NULL};
1188 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1189 ls_output;
1190
1191 for (i = 1; i < argc; i++) {
1192 const char *arg = argv[i];
1193 if (arg[0] != '-')
1194 break;
1195 if (!strcmp(arg, "--")) {
1196 i++;
1197 break;
1198 }
1199 if (!strncmp(arg, "-l", 2)) {
1200 if (!*(arg + 2)) {
1201 mode = LS_MODE_LONG;
1202 continue;
1203 }
1204 if (*(arg + 3))
1205 return -E_AFT_SYNTAX;
1206 switch(*(arg + 2)) {
1207 case 's':
1208 mode = LS_MODE_SHORT;
1209 continue;
1210 case 'l':
1211 mode = LS_MODE_LONG;
1212 continue;
1213 case 'v':
1214 mode = LS_MODE_VERBOSE;
1215 continue;
1216 case 'm':
1217 mode = LS_MODE_MBOX;
1218 continue;
1219 default:
1220 return -E_AFT_SYNTAX;
1221 }
1222 }
1223 if (!strcmp(arg, "-p")) {
1224 flags |= LS_FLAG_FULL_PATH;
1225 continue;
1226 }
1227 if (!strcmp(arg, "-a")) {
1228 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1229 continue;
1230 }
1231 if (!strcmp(arg, "-r")) {
1232 flags |= LS_FLAG_REVERSE;
1233 continue;
1234 }
1235 if (!strncmp(arg, "-s", 2)) {
1236 if (!*(arg + 2) || *(arg + 3))
1237 return -E_AFT_SYNTAX;
1238 switch(*(arg + 2)) {
1239 case 'p':
1240 sort = LS_SORT_BY_PATH;
1241 continue;
1242 case 's': /* -ss implies -a */
1243 sort = LS_SORT_BY_SCORE;
1244 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1245 continue;
1246 case 'l':
1247 sort = LS_SORT_BY_LAST_PLAYED;
1248 continue;
1249 case 'n':
1250 sort = LS_SORT_BY_NUM_PLAYED;
1251 continue;
1252 case 'f':
1253 sort = LS_SORT_BY_FREQUENCY;
1254 continue;
1255 case 'c':
1256 sort = LS_SORT_BY_CHANNELS;
1257 continue;
1258 case 'i':
1259 sort = LS_SORT_BY_IMAGE_ID;
1260 continue;
1261 case 'y':
1262 sort = LS_SORT_BY_LYRICS_ID;
1263 continue;
1264 case 'b':
1265 sort = LS_SORT_BY_BITRATE;
1266 continue;
1267 case 'd':
1268 sort = LS_SORT_BY_DURATION;
1269 continue;
1270 case 'a':
1271 sort = LS_SORT_BY_AUDIO_FORMAT;
1272 continue;
1273 default:
1274 return -E_AFT_SYNTAX;
1275 }
1276 }
1277 return -E_AFT_SYNTAX;
1278 }
1279 opts.flags = flags;
1280 opts.sorting = sort;
1281 opts.mode = mode;
1282 opts.num_patterns = argc - i;
1283 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1284 argv + i, com_ls_callback, &ls_output);
1285 if (ret > 0) {
1286 ret = send_buffer(fd, (char *)ls_output.data);
1287 free(ls_output.data);
1288 }
1289 return ret;
1290 }
1291
1292 /**
1293 * Call the given function for each file in the audio file table.
1294 *
1295 * \param private_data An arbitrary data pointer, passed to \a func.
1296 * \param func The custom function to be called.
1297 *
1298 * \return The return value of the underlying call to osl_rbtree_loop().
1299 */
1300 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1301 {
1302 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1303 func);
1304 }
1305
1306 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1307 {
1308 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1309 struct osl_row *row;
1310
1311 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1312 return row;
1313 }
1314
1315 enum aft_row_offsets {
1316 AFTROW_AFHI_OFFSET_POS = 0,
1317 AFTROW_CHUNKS_OFFSET_POS = 2,
1318 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1319 AFTROW_FLAGS_OFFSET = 5,
1320 AFTROW_HASH_OFFSET = 9,
1321 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1322 };
1323
1324 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1325 * In this case, afhi won't be stored in the buffer */
1326 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1327 struct audio_format_info *afhi, uint32_t flags,
1328 uint8_t audio_format_num, struct osl_object *obj)
1329 {
1330 size_t path_len = strlen(path) + 1;
1331 size_t afhi_size = sizeof_afhi_buf(afhi);
1332 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1333 + sizeof_chunk_info_buf(afhi);
1334 char *buf = para_malloc(size);
1335 uint16_t pos;
1336
1337 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1338 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1339
1340 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1341 strcpy(buf + AFTROW_PATH_OFFSET, path);
1342
1343 pos = AFTROW_PATH_OFFSET + path_len;
1344 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1345 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1346 pos + afhi_size - 1);
1347 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1348 save_afhi(afhi, buf + pos);
1349
1350 pos += afhi_size;
1351 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1352 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1353 save_chunk_info(afhi, buf + pos);
1354 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1355 obj->data = buf;
1356 obj->size = size;
1357 }
1358
1359 /*
1360 input:
1361 ~~~~~~
1362 HS: hash sister
1363 PB: path brother
1364 F: force flag given
1365
1366 output:
1367 ~~~~~~~
1368 AFHI: whether afhi and chunk table are computed and sent
1369 ACTION: table modifications to be performed
1370
1371 +---+----+-----+------+---------------------------------------------------+
1372 | HS | PB | F | AFHI | ACTION
1373 +---+----+-----+------+---------------------------------------------------+
1374 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1375 | | update path, keep afsi
1376 +---+----+-----+------+---------------------------------------------------+
1377 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1378 | | otherwise: remove PB, HS: update path, keep afhi,
1379 | | afsi.
1380 +---+----+-----+------+---------------------------------------------------+
1381 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1382 | | HS, keep afsi
1383 +---+----+-----+------+---------------------------------------------------+
1384 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1385 +---+----+-----+------+---------------------------------------------------+
1386 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1387 | | (force has no effect)
1388 +---+----+-----+------+---------------------------------------------------+
1389 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1390 +---+----+-----+------+---------------------------------------------------+
1391 | N | N | Y | Y | (new file) create new entry (force has no effect)
1392 +---+----+-----+------+---------------------------------------------------+
1393 | N | N | N | Y | (new file) create new entry
1394 +---+----+-----+------+---------------------------------------------------+
1395
1396 afhi <=> force or no HS
1397
1398 */
1399
1400
1401 #define ADD_FLAG_LAZY 1
1402 #define ADD_FLAG_FORCE 2
1403 #define ADD_FLAG_VERBOSE 4
1404
1405 /* TODO: change log messages so that they get written to the result buffer */
1406
1407 static int com_add_callback(const struct osl_object *query,
1408 __a_unused struct osl_object *result)
1409 {
1410 char *buf = query->data, *path;
1411 struct osl_row *pb, *aft_row;
1412 const struct osl_row *hs;
1413 struct osl_object objs[NUM_AFT_COLUMNS];
1414 HASH_TYPE *hash;
1415 char asc[2 * HASH_SIZE + 1];
1416 int ret;
1417 char afsi_buf[AFSI_SIZE];
1418 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1419 struct afs_info default_afsi = {.last_played = 0};
1420
1421 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1422 hash_to_asc(hash, asc);;
1423 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1424 objs[AFTCOL_HASH].size = HASH_SIZE;
1425
1426 path = buf + AFTROW_PATH_OFFSET;
1427 objs[AFTCOL_PATH].data = path;
1428 objs[AFTCOL_PATH].size = strlen(path) + 1;
1429
1430 PARA_INFO_LOG("request to add %s\n", path);
1431 hs = find_hash_sister(hash);
1432 ret = aft_get_row_of_path(path, &pb);
1433 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1434 return ret;
1435 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1436 if (flags & ADD_FLAG_VERBOSE)
1437 PARA_NOTICE_LOG("ignoring duplicate %p\n", path);
1438 return 1;
1439 }
1440 if (hs && hs != pb) {
1441 struct osl_object obj;
1442 if (pb) { /* hs trumps pb, remove pb */
1443 if (flags & ADD_FLAG_VERBOSE)
1444 PARA_NOTICE_LOG("removing path brother\n");
1445 ret = osl_del_row(audio_file_table, pb);
1446 if (ret < 0)
1447 return ret;
1448 pb = NULL;
1449 }
1450 /* file rename, update hs' path */
1451 ret = osl_get_object(audio_file_table, hs, AFTCOL_PATH, &obj);
1452 if (flags & ADD_FLAG_VERBOSE)
1453 PARA_NOTICE_LOG("rename %s -> %s\n", (char *)obj.data, path);
1454 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1455 &objs[AFTCOL_PATH]);
1456 if (ret < 0)
1457 return ret;
1458 if (!(flags & ADD_FLAG_FORCE))
1459 return ret;
1460 }
1461 /* no hs or force mode, child must have sent afhi */
1462 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1463 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1464
1465 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1466 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1467 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1468 return -E_NO_AFHI;
1469 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1470 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1471 if (pb && !hs) { /* update pb's hash */
1472 char old_asc[2 * HASH_SIZE + 1];
1473 HASH_TYPE *old_hash;
1474 ret = get_hash_of_row(pb, &old_hash);
1475 if (ret < 0)
1476 return ret;
1477 hash_to_asc(old_hash, old_asc);
1478 if (flags & ADD_FLAG_VERBOSE)
1479 PARA_NOTICE_LOG("file change: %s %s -> %s\n", path,
1480 old_asc, asc);
1481 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1482 &objs[AFTCOL_HASH]);
1483 if (ret < 0)
1484 return ret;
1485 }
1486 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1487 const struct osl_row *row = pb? pb : hs;
1488 /* update afhi and chunk_table */
1489 if (flags & ADD_FLAG_VERBOSE)
1490 PARA_DEBUG_LOG("updating audio format handler info (%zd bytes)\n",
1491 objs[AFTCOL_AFHI].size);
1492 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1493 &objs[AFTCOL_AFHI]);
1494 if (ret < 0)
1495 return ret;
1496 if (flags & ADD_FLAG_VERBOSE)
1497 PARA_DEBUG_LOG("updating chunk table\n");
1498 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1499 &objs[AFTCOL_CHUNKS]);
1500 if (ret < 0)
1501 return ret;
1502 return mood_update_audio_file(row, NULL);
1503 }
1504 /* new entry, use default afsi */
1505 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1506 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1507
1508 objs[AFTCOL_AFSI].data = &afsi_buf;
1509 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1510 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1511 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1512 if (ret < 0)
1513 return ret;
1514 return mood_update_audio_file(aft_row, NULL);
1515 }
1516
1517 struct private_add_data {
1518 int fd;
1519 uint32_t flags;
1520 };
1521
1522 static int path_brother_callback(const struct osl_object *query,
1523 struct osl_object *result)
1524 {
1525 char *path = query->data;
1526 struct osl_row *path_brother;
1527 int ret = aft_get_row_of_path(path, &path_brother);
1528 if (ret < 0)
1529 return ret;
1530 result->data = para_malloc(sizeof(path_brother));
1531 result->size = sizeof(path_brother);
1532 *(struct osl_row **)(result->data) = path_brother;
1533 return 1;
1534 }
1535
1536 static int hash_sister_callback(const struct osl_object *query,
1537 struct osl_object *result)
1538 {
1539 HASH_TYPE *hash = query->data;
1540 struct osl_row *hash_sister;
1541
1542 hash_sister = find_hash_sister(hash);
1543 if (!hash_sister)
1544 return -E_RB_KEY_NOT_FOUND;
1545 result->data = para_malloc(sizeof(hash_sister));
1546 result->size = sizeof(hash_sister);
1547 *(struct osl_row **)(result->data) = hash_sister;
1548 return 1;
1549 }
1550
1551 static int add_one_audio_file(const char *arg, const void *private_data)
1552 {
1553 int ret;
1554 uint8_t format_num = -1;
1555 const struct private_add_data *pad = private_data;
1556 struct audio_format_info afhi, *afhi_ptr = NULL;
1557 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1558 struct osl_object map, obj = {.data = NULL}, query, result;
1559 char *path = NULL;
1560 HASH_TYPE hash[HASH_SIZE];
1561
1562 afhi.header_offset = 0;
1563 afhi.header_len = 0;
1564 ret = verify_path(arg, &path);
1565 if (ret < 0)
1566 goto out_free;
1567 query.data = path;
1568 query.size = strlen(path) + 1;
1569 ret = send_callback_request(path_brother_callback, &query, &result);
1570 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1571 goto out_free;
1572 if (ret >= 0) {
1573 pb = *(struct osl_row **)result.data;
1574 free(result.data);
1575 }
1576 ret = 1;
1577 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1578 if (pad->flags & ADD_FLAG_VERBOSE)
1579 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1580 goto out_free;
1581 }
1582 /* We still want to add this file. Compute its hash. */
1583 ret = mmap_full_file(path, O_RDONLY, &map);
1584 if (ret < 0)
1585 goto out_free;
1586 hash_function(map.data, map.size, hash);
1587
1588 /* Check whether database contains file with the same hash. */
1589 query.data = hash;
1590 query.size = HASH_SIZE;
1591 ret = send_callback_request(hash_sister_callback, &query, &result);
1592 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1593 goto out_free;
1594 if (ret >= 0) {
1595 hs = *(struct osl_row **)result.data;
1596 free(result.data);
1597 }
1598 /* Return success if we already know this file. */
1599 ret = 1;
1600 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1601 if (pad->flags & ADD_FLAG_VERBOSE)
1602 ret = send_va_buffer(pad->fd,
1603 "not forcing update: %s\n", path);
1604 goto out_unmap;
1605 }
1606 /*
1607 * we won't recalculate the audio format info and the chunk table if
1608 * there is a hash sister unless in FORCE mode.
1609 */
1610 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1611 ret = compute_afhi(path, map.data, map.size, &afhi);
1612 if (ret < 0)
1613 goto out_unmap;
1614 format_num = ret;
1615 afhi_ptr = &afhi;
1616 }
1617 if (pad->flags & ADD_FLAG_VERBOSE)
1618 send_va_buffer(pad->fd, "adding %s\n", path);
1619 munmap(map.data, map.size);
1620 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1621 /* Ask afs to consider this entry for adding. */
1622 ret = send_callback_request(com_add_callback, &obj, NULL);
1623 goto out_free;
1624
1625 out_unmap:
1626 munmap(map.data, map.size);
1627 out_free:
1628 if (ret < 0)
1629 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path?
1630 path : arg, PARA_STRERROR(-ret));
1631 free(obj.data);
1632 free(path);
1633 if (afhi_ptr)
1634 free(afhi_ptr->chunk_table);
1635 return 1; /* it's not an error if not all files could be added */
1636 }
1637
1638 int com_add(int fd, int argc, char * const * const argv)
1639 {
1640 int i, ret;
1641 struct private_add_data pad = {.fd = fd, .flags = 0};
1642 struct stat statbuf;
1643
1644 for (i = 1; i < argc; i++) {
1645 const char *arg = argv[i];
1646 if (arg[0] != '-')
1647 break;
1648 if (!strcmp(arg, "--")) {
1649 i++;
1650 break;
1651 }
1652 if (!strcmp(arg, "-l")) {
1653 pad.flags |= ADD_FLAG_LAZY;
1654 continue;
1655 }
1656 if (!strcmp(arg, "-f")) {
1657 pad.flags |= ADD_FLAG_FORCE;
1658 continue;
1659 }
1660 if (!strcmp(arg, "-v")) {
1661 pad.flags |= ADD_FLAG_VERBOSE;
1662 continue;
1663 }
1664 }
1665 if (argc <= i)
1666 return -E_AFT_SYNTAX;
1667 for (; i < argc; i++) {
1668 char *path = para_strdup(argv[i]);
1669 size_t len = strlen(path);
1670 while (len > 1 && path[--len] == '/')
1671 path[len] = '\0';
1672 ret = stat(path, &statbuf);
1673 if (ret < 0)
1674 PARA_NOTICE_LOG("failed to stat %s (%s)", path,
1675 strerror(errno));
1676 else
1677 if (S_ISDIR(statbuf.st_mode))
1678 for_each_file_in_dir(path, add_one_audio_file,
1679 &pad);
1680 else
1681 add_one_audio_file(path, &pad);
1682 free(path);
1683 }
1684 ret = 1;
1685 return ret;
1686
1687 }
1688
1689 enum touch_flags {
1690 TOUCH_FLAG_FNM_PATHNAME = 1,
1691 TOUCH_FLAG_VERBOSE = 2
1692 };
1693
1694 struct com_touch_options {
1695 int32_t num_played;
1696 int64_t last_played;
1697 int32_t lyrics_id;
1698 int32_t image_id;
1699 unsigned flags;
1700 };
1701
1702 struct touch_action_data {
1703 struct com_touch_options *cto;
1704 struct para_buffer pb;
1705 };
1706
1707 static int touch_audio_file(__a_unused struct osl_table *table,
1708 struct osl_row *row, const char *name, void *data)
1709 {
1710 struct touch_action_data *tad = data;
1711 struct osl_object obj;
1712 struct afs_info old_afsi, new_afsi;
1713 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1714 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1715
1716 ret = get_afsi_object_of_row(row, &obj);
1717 if (ret < 0) {
1718 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1719 return 1;
1720 }
1721 ret = load_afsi(&old_afsi, &obj);
1722 if (ret < 0) {
1723 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1724 return 1;
1725 }
1726 new_afsi = old_afsi;
1727 if (no_options) {
1728 new_afsi.num_played++;
1729 new_afsi.last_played = time(NULL);
1730 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1731 para_printf(&tad->pb, "%s: num_played = %u, "
1732 "last_played = now()\n", name,
1733 new_afsi.num_played);
1734 } else {
1735 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1736 para_printf(&tad->pb, "touching %s\n", name);
1737 if (tad->cto->lyrics_id >= 0)
1738 new_afsi.lyrics_id = tad->cto->lyrics_id;
1739 if (tad->cto->image_id >= 0)
1740 new_afsi.image_id = tad->cto->image_id;
1741 if (tad->cto->num_played >= 0)
1742 new_afsi.num_played = tad->cto->num_played;
1743 if (tad->cto->last_played >= 0)
1744 new_afsi.last_played = tad->cto->last_played;
1745 }
1746 save_afsi(&new_afsi, &obj); /* in-place update */
1747 ret = mood_update_audio_file(row, &old_afsi);
1748 if (ret < 0)
1749 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1750 return 1;
1751 }
1752
1753 static int com_touch_callback(const struct osl_object *query,
1754 struct osl_object *result)
1755 {
1756 struct touch_action_data tad = {.cto = query->data};
1757 int ret;
1758 struct pattern_match_data pmd = {
1759 .table = audio_file_table,
1760 .loop_col_num = AFTCOL_HASH,
1761 .match_col_num = AFTCOL_PATH,
1762 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1763 .size = query->size - sizeof(*tad.cto)},
1764 .data = &tad,
1765 .action = touch_audio_file
1766 };
1767 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1768 pmd.fnmatch_flags |= FNM_PATHNAME;
1769 ret = for_each_matching_row(&pmd);
1770 if (ret < 0)
1771 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1772 if (tad.pb.buf) {
1773 result->data = tad.pb.buf;
1774 result->size = tad.pb.size;
1775 return 1;
1776 }
1777 return ret < 0? ret : 0;
1778 }
1779
1780
1781 int com_touch(int fd, int argc, char * const * const argv)
1782 {
1783 struct com_touch_options cto = {
1784 .num_played = -1,
1785 .last_played = -1,
1786 .lyrics_id = -1,
1787 .image_id = -1
1788 };
1789 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1790 result;
1791 int i, ret;
1792
1793
1794 for (i = 1; i < argc; i++) {
1795 const char *arg = argv[i];
1796 if (arg[0] != '-')
1797 break;
1798 if (!strcmp(arg, "--")) {
1799 i++;
1800 break;
1801 }
1802 if (!strncmp(arg, "-n", 2)) {
1803 ret = para_atoi32(arg + 2, &cto.num_played);
1804 if (ret < 0)
1805 return ret;
1806 continue;
1807 }
1808 if (!strncmp(arg, "-l", 2)) {
1809 ret = para_atoi64(arg + 2, &cto.last_played);
1810 if (ret < 0)
1811 return ret;
1812 continue;
1813 }
1814 if (!strncmp(arg, "-y", 2)) {
1815 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1816 if (ret < 0)
1817 return ret;
1818 continue;
1819 }
1820 if (!strncmp(arg, "-i", 2)) {
1821 ret = para_atoi32(arg + 2, &cto.image_id);
1822 if (ret < 0)
1823 return ret;
1824 continue;
1825 }
1826 if (!strcmp(arg, "-p")) {
1827 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1828 continue;
1829 }
1830 if (!strcmp(arg, "-v")) {
1831 cto.flags |= TOUCH_FLAG_VERBOSE;
1832 continue;
1833 }
1834 break; /* non-option starting with dash */
1835 }
1836 if (i >= argc)
1837 return -E_AFT_SYNTAX;
1838 ret = send_option_arg_callback_request(&query, argc - i,
1839 argv + i, com_touch_callback, &result);
1840 if (ret > 0) {
1841 send_buffer(fd, (char *)result.data);
1842 free(result.data);
1843 } else
1844 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1845 return ret;
1846 }
1847
1848 enum rm_flags {
1849 RM_FLAG_VERBOSE = 1,
1850 RM_FLAG_FORCE = 2,
1851 RM_FLAG_FNM_PATHNAME = 4
1852 };
1853
1854 struct com_rm_data {
1855 uint32_t flags;
1856 struct para_buffer pb;
1857 unsigned num_removed;
1858 };
1859
1860 static int remove_audio_file(__a_unused struct osl_table *table,
1861 struct osl_row *row, const char *name, void *data)
1862 {
1863 struct com_rm_data *crd = data;
1864 int ret;
1865
1866 if (crd->flags & RM_FLAG_VERBOSE)
1867 para_printf(&crd->pb, "removing %s\n", name);
1868 ret = mood_delete_audio_file(row);
1869 if (ret < 0)
1870 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1871 ret = osl_del_row(audio_file_table, row);
1872 if (ret < 0)
1873 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1874 else
1875 crd->num_removed++;
1876 return 1;
1877 }
1878
1879 static int com_rm_callback(const struct osl_object *query,
1880 __a_unused struct osl_object *result)
1881 {
1882 struct com_rm_data crd = {.flags = *(uint32_t *)query->data};
1883 int ret;
1884 struct pattern_match_data pmd = {
1885 .table = audio_file_table,
1886 .loop_col_num = AFTCOL_HASH,
1887 .match_col_num = AFTCOL_PATH,
1888 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
1889 .size = query->size - sizeof(uint32_t)},
1890 .data = &crd,
1891 .action = remove_audio_file
1892 };
1893 if (crd.flags & RM_FLAG_FNM_PATHNAME)
1894 pmd.fnmatch_flags |= FNM_PATHNAME;
1895 ret = for_each_matching_row(&pmd);
1896 if (ret < 0)
1897 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
1898 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
1899 para_printf(&crd.pb, "no matches -- nothing removed\n");
1900 else {
1901 if (crd.flags & RM_FLAG_VERBOSE)
1902 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
1903 }
1904 if (crd.pb.buf) {
1905 result->data = crd.pb.buf;
1906 result->size = crd.pb.size;
1907 return 1;
1908 }
1909 return ret < 0? ret : 0;
1910 }
1911
1912 /* TODO options: -r (recursive) */
1913 int com_afs_rm(int fd, int argc, char * const * const argv)
1914 {
1915 uint32_t flags = 0;
1916 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
1917 result;
1918 int i, ret;
1919
1920 for (i = 1; i < argc; i++) {
1921 const char *arg = argv[i];
1922 if (arg[0] != '-')
1923 break;
1924 if (!strcmp(arg, "--")) {
1925 i++;
1926 break;
1927 }
1928 if (!strcmp(arg, "-f")) {
1929 flags |= RM_FLAG_FORCE;
1930 continue;
1931 }
1932 if (!strcmp(arg, "-p")) {
1933 flags |= RM_FLAG_FNM_PATHNAME;
1934 continue;
1935 }
1936 if (!strcmp(arg, "-v")) {
1937 flags |= RM_FLAG_VERBOSE;
1938 continue;
1939 }
1940 break;
1941 }
1942 if (i >= argc)
1943 return -E_AFT_SYNTAX;
1944 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
1945 com_rm_callback, &result);
1946 if (ret > 0) {
1947 send_buffer(fd, (char *)result.data);
1948 free(result.data);
1949 } else
1950 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1951 return ret;
1952 }
1953
1954 /* TODO: optionally fix problems by removing offending rows */
1955 static int check_audio_file(struct osl_row *row, void *data)
1956 {
1957 char *path;
1958 struct para_buffer *pb = data;
1959 struct stat statbuf;
1960 int ret = get_audio_file_path_of_row(row, &path);
1961 struct afs_info afsi;
1962 char *blob_name;
1963
1964 if (ret < 0) {
1965 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
1966 return 1;
1967 }
1968 if (stat(path, &statbuf) < 0)
1969 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
1970 else {
1971 if (!S_ISREG(statbuf.st_mode))
1972 para_printf(pb, "%s: not a regular file\n", path);
1973 }
1974 ret = get_afsi_of_row(row, &afsi);
1975 if (ret < 0) {
1976 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
1977 return 1;
1978 }
1979 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
1980 if (ret < 0)
1981 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
1982 PARA_STRERROR(-ret));
1983 ret = img_get_name_by_id(afsi.image_id, &blob_name);
1984 if (ret < 0)
1985 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
1986 PARA_STRERROR(-ret));
1987 return 1;
1988 }
1989
1990 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
1991 {
1992 struct para_buffer pb = {.buf = NULL};
1993
1994 para_printf(&pb, "checking audio file table...\n");
1995 audio_file_loop(&pb, check_audio_file);
1996 result->data = pb.buf;
1997 result->size = pb.size;
1998 return 1;
1999
2000 }
2001
2002 /**
2003 * Close the audio file table.
2004 *
2005 * \param flags Ususal flags that are passed to osl_close_table().
2006 *
2007 * \sa osl_close_table().
2008 */
2009 void aft_shutdown(enum osl_close_flags flags)
2010 {
2011 osl_close_table(audio_file_table, flags);
2012 audio_file_table = NULL;
2013 }
2014
2015 /**
2016 * Open the audio file table.
2017 *
2018 * \param ti Gets initialized by this function.
2019 * \param db The database directory.
2020 *
2021 * \return Positive on success, negative on errors.
2022 *
2023 * \sa osl_open_table().
2024 */
2025 int aft_init(struct table_info *ti, const char *db)
2026 {
2027 int ret;
2028
2029 audio_file_table_desc.dir = db;
2030 ti->desc = &audio_file_table_desc;
2031 ret = osl_open_table(ti->desc, &audio_file_table);
2032 if (ret >= 0) {
2033 unsigned num;
2034 osl_get_num_rows(audio_file_table, &num);
2035 PARA_INFO_LOG("audio file table contains %d files\n", num);
2036 return ret;
2037 }
2038 PARA_INFO_LOG("failed to open audio file table\n");
2039 audio_file_table = NULL;
2040 return ret == -E_NOENT? 1 : ret;
2041 }