Implement com_cpsi().
[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(const char *path, struct osl_row **row)
461 {
462 struct osl_object obj = {.data = (char *)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(const 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 audio file selector info, given the path of an audio table.
531 *
532 * \param path The full path of the audio file.
533 * \param afsi Result pointer.
534 *
535 * \return Positive on success, negative on errors.
536 */
537 int get_afsi_of_path(const char *path, struct afs_info *afsi)
538 {
539 struct osl_object obj;
540 int ret = get_afsi_object_of_path(path, &obj);
541 if (ret < 0)
542 return ret;
543 return load_afsi(afsi, &obj);
544 }
545
546 /**
547 * Get the path of an audio file, given a row of the audio file table.
548 *
549 * \param row Pointer to a row in the audio file table.
550 * \param path Result pointer.
551 *
552 * \return Positive on success, negative on errors.
553 */
554 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
555 {
556 struct osl_object path_obj;
557 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
558 &path_obj);
559 if (ret < 0)
560 return ret;
561 *path = path_obj.data;
562 return 1;
563 }
564
565 /**
566 * Get the object containing the hash value of an audio file, given a row.
567 *
568 * \param row Pointer to a row of the audio file table.
569 * \param obj Result pointer.
570 *
571 * \return The return value of the underlying call to osl_get_object().
572 *
573 * \sa get_hash_of_row().
574 */
575 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
576 {
577 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
578 }
579
580 /**
581 * Get the hash value of an audio file, given a row of the audio file table.
582 *
583 * \param row Pointer to a row of the audio file table.
584 * \param hash Result pointer.
585 *
586 * \a hash points to mapped data and must not be freed by the caller.
587 *
588 * \return The return value of the underlying call to
589 * get_hash_object_of_aft_row().
590 */
591 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
592 {
593 struct osl_object obj;
594 int ret = get_hash_object_of_aft_row(row, &obj);
595
596 if (ret < 0)
597 return ret;
598 *hash = obj.data;
599 return 1;
600 }
601
602 /**
603 * Get the audio format handler info, given a row of the audio file table.
604 *
605 * \param row Pointer to a row of the audio file table.
606 * \param afhi Result pointer.
607 *
608 * \return The return value of the underlying call to osl_get_object().
609 *
610 * \sa get_chunk_table_of_row().
611 */
612 int get_afhi_of_row(const struct osl_row *row, struct audio_format_info *afhi)
613 {
614 struct osl_object obj;
615 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
616 &obj);
617 if (ret < 0)
618 return ret;
619 load_afhi(obj.data, afhi);
620 return 1;
621 }
622
623 /**
624 * Get the chunk table of an audio file, given a row of the audio file table.
625 *
626 * \param row Pointer to a row of the audio file table.
627 * \param afhi Result pointer.
628 *
629 * \return The return value of the underlying call to osl_open_disk_object().
630 *
631 * \sa get_afhi_of_row().
632 */
633 static int get_chunk_table_of_row(const struct osl_row *row, struct audio_format_info *afhi)
634 {
635 struct osl_object obj;
636 int ret = osl_open_disk_object(audio_file_table, row, AFTCOL_CHUNKS,
637 &obj);
638 if (ret < 0)
639 return ret;
640 ret = load_chunk_info(&obj, afhi);
641 osl_close_disk_object(&obj);
642 return ret;
643 }
644
645 /**
646 * Mmap the given audio file and update statistics.
647 *
648 * \param aft_row Determines the audio file to be opened and updated.
649 * \param afd Result pointer.
650 *
651 * On success, the numplayed field of the audio file selector info is increased
652 * and the lastplayed time is set to the current time. Finally, the score of
653 * the audio file is updated.
654 *
655 * \return Positive on success, negative on errors.
656 */
657 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
658 {
659 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
660 struct osl_object afsi_obj;
661 struct afs_info new_afsi;
662 int ret = get_hash_of_row(aft_row, &aft_hash);
663
664 if (ret < 0)
665 return ret;
666 ret = get_audio_file_path_of_row(aft_row, &afd->path);
667 if (ret < 0)
668 return ret;
669 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
670 if (ret < 0)
671 return ret;
672 ret = load_afsi(&afd->afsi, &afsi_obj);
673 if (ret < 0)
674 return ret;
675 ret = get_afhi_of_row(aft_row, &afd->afhi);
676 if (ret < 0)
677 return ret;
678 ret = get_chunk_table_of_row(aft_row, &afd->afhi);
679 if (ret < 0)
680 return ret;
681 ret = mmap_full_file(afd->path, O_RDONLY, &afd->map);
682 if (ret < 0)
683 goto err;
684 hash_function(afd->map.data, afd->map.size, file_hash);
685 ret = -E_HASH_MISMATCH;
686 if (hash_compare(file_hash, aft_hash))
687 goto err;
688 new_afsi = afd->afsi;
689 new_afsi.num_played++;
690 new_afsi.last_played = time(NULL);
691 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
692 if (afd->current_play_mode == PLAY_MODE_PLAYLIST)
693 ret = playlist_update_audio_file(aft_row);
694 else
695 ret = mood_update_audio_file(aft_row, &afd->afsi);
696 return ret;
697 err:
698 free(afd->afhi.chunk_table);
699 return ret;
700 }
701
702 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
703 time_t current_time, enum ls_listing_mode lm)
704 {
705 struct tm t;
706
707 if (!localtime_r((time_t *)seconds, &t))
708 return -E_LOCALTIME;
709 if (lm == LS_MODE_MBOX) {
710 if (!strftime(buf, size, "%c", &t))
711 return -E_STRFTIME;
712 return 1;
713 }
714 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
715 if (!strftime(buf, size, "%b %e %k:%M", &t))
716 return -E_STRFTIME;
717 return 1;
718 }
719 if (!strftime(buf, size, "%b %e %Y", &t))
720 return -E_STRFTIME;
721 return 1;
722 }
723
724 #define GET_NUM_DIGITS(x, num) { \
725 typeof((x)) _tmp = PARA_ABS(x); \
726 *num = 1; \
727 if ((x)) \
728 while ((_tmp) > 9) { \
729 (_tmp) /= 10; \
730 (*num)++; \
731 } \
732 }
733
734 static short unsigned get_duration_width(int seconds)
735 {
736 short unsigned width;
737 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
738
739 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
740 return 4 + (mins > 9);
741 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
742 GET_NUM_DIGITS(hours, &width);
743 return width + 6;
744 }
745
746 static void get_duration_buf(int seconds, char *buf, short unsigned max_width)
747 {
748 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
749
750 if (!hours) /* m:ss or mm:ss */
751 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
752 else /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
753 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
754 seconds % 60);
755 }
756
757 static char *make_attribute_line(const char *att_bitmap, struct afs_info *afsi)
758 {
759 char *att_text, *att_line;
760
761 get_attribute_text(&afsi->attributes, " ", &att_text);
762 if (!att_text)
763 return para_strdup(att_bitmap);
764 att_line = make_message("%s (%s)", att_bitmap, att_text);
765 free(att_text);
766 return att_line;
767 }
768
769 static char *make_lyrics_line(struct afs_info *afsi)
770 {
771 char *lyrics_name;
772
773 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
774 if (!lyrics_name)
775 return make_message("%u", afsi->lyrics_id);
776 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
777 }
778
779 static char *make_image_line(struct afs_info *afsi)
780 {
781 char *image_name;
782 img_get_name_by_id(afsi->image_id, &image_name);
783 if (!image_name)
784 return make_message("%u", afsi->image_id);
785 return make_message("%u (%s)", afsi->image_id, image_name);
786 }
787
788 static int print_list_item(struct ls_data *d, struct ls_options *opts,
789 struct para_buffer *b, time_t current_time)
790 {
791 int ret;
792 char att_buf[65];
793 char last_played_time[30];
794 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
795 char score_buf[30] = "";
796 struct afs_info *afsi = &d->afsi;
797 struct audio_format_info *afhi = &d->afhi;
798 struct ls_widths *w = &opts->widths;
799 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
800 char asc_hash[2 * HASH_SIZE + 1];
801 char *att_line, *lyrics_line, *image_line;
802
803 if (opts->mode == LS_MODE_SHORT) {
804 para_printf(b, "%s\n", d->path);
805 return 1;
806 }
807 get_attribute_bitmap(&afsi->attributes, att_buf);
808 ret = get_local_time(&afsi->last_played, last_played_time,
809 sizeof(last_played_time), current_time, opts->mode);
810 if (ret < 0)
811 return ret;
812 get_duration_buf(afhi->seconds_total, duration_buf, w->duration_width);
813 if (have_score) {
814 if (opts->mode == LS_MODE_LONG)
815 sprintf(score_buf, "%*li ", w->score_width, d->score);
816 else
817 sprintf(score_buf, "%li ", d->score);
818 }
819
820 PARA_NOTICE_LOG("id: %s, %d\n", d->path, afsi->audio_format_id);
821 if (opts->mode == LS_MODE_LONG) {
822 para_printf(b,
823 "%s" /* score */
824 "%s " /* attributes */
825 "%*d " /* image_id */
826 "%*d " /* lyrics_id */
827 "%*d " /* bitrate */
828 "%s " /* audio format */
829 "%*d " /* frequency */
830 "%d " /* channels */
831 "%s " /* duration */
832 "%*d " /* num_played */
833 "%s " /* last_played */
834 "%s\n", /* path */
835 score_buf,
836 att_buf,
837 w->image_id_width, afsi->image_id,
838 w->lyrics_id_width, afsi->lyrics_id,
839 w->bitrate_width, afhi->bitrate,
840 audio_format_name(afsi->audio_format_id),
841 w->frequency_width, afhi->frequency,
842 afhi->channels,
843 duration_buf,
844 w->num_played_width, afsi->num_played,
845 last_played_time,
846 d->path
847 );
848 return 1;
849 }
850 hash_to_asc(d->hash, asc_hash);
851 att_line = make_attribute_line(att_buf, afsi);
852 lyrics_line = make_lyrics_line(afsi);
853 image_line = make_image_line(afsi);
854 if (opts->mode == LS_MODE_VERBOSE) {
855
856 para_printf(b,
857 "%s: %s\n" /* path */
858 "%s%s%s" /* score */
859 "attributes: %s\n"
860 "hash: %s\n"
861 "image_id: %s\n"
862 "lyrics_id: %s\n"
863 "bitrate: %dkbit/s\n"
864 "format: %s\n"
865 "frequency: %dHz\n"
866 "channels: %d\n"
867 "duration: %s\n"
868 "num_played: %d\n"
869 "last_played: %s\n"
870 "tag info: %s\n",
871 (opts->flags & LS_FLAG_FULL_PATH)?
872 "path" : "file", d->path,
873 have_score? "score: " : "", score_buf,
874 have_score? "\n" : "",
875 att_line,
876 asc_hash,
877 image_line,
878 lyrics_line,
879 afhi->bitrate,
880 audio_format_name(afsi->audio_format_id),
881 afhi->frequency,
882 afhi->channels,
883 duration_buf,
884 afsi->num_played,
885 last_played_time,
886 afhi->info_string
887 );
888 } else { /* mbox mode */
889 struct osl_object lyrics_def;
890 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
891 para_printf(b,
892 "From foo@localhost %s\n"
893 "Received: from\nTo: bar\nFrom: a\n"
894 "Subject: %s\n\n" /* path */
895 "%s%s%s" /* score */
896 "attributes: %s\n"
897 "hash: %s\n"
898 "image_id: %s\n"
899 "lyrics_id: %s\n"
900 "bitrate: %dkbit/s\n"
901 "format: %s\n"
902 "frequency: %dHz\n"
903 "channels: %d\n"
904 "duration: %s\n"
905 "num_played: %d\n"
906 "tag info: %s\n"
907 "%s%s\n",
908 last_played_time,
909 d->path,
910 have_score? "score: " : "", score_buf,
911 have_score? "\n" : "",
912 att_line,
913 asc_hash,
914 image_line,
915 lyrics_line,
916 afhi->bitrate,
917 audio_format_name(afsi->audio_format_id),
918 afhi->frequency,
919 afhi->channels,
920 duration_buf,
921 afsi->num_played,
922 afhi->info_string,
923 lyrics_def.data? "Lyrics:\n~~~~~~~\n" : "",
924 lyrics_def.data? (char *)lyrics_def.data : ""
925 );
926 if (lyrics_def.data)
927 osl_close_disk_object(lyrics_def.data);
928 }
929 free(att_line);
930 free(lyrics_line);
931 free(image_line);
932 return 1;
933 }
934
935 static int ls_audio_format_compare(const void *a, const void *b)
936 {
937 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
938 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
939 }
940
941 static int ls_duration_compare(const void *a, const void *b)
942 {
943 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
944 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
945 }
946
947 static int ls_bitrate_compare(const void *a, const void *b)
948 {
949 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
950 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
951 }
952
953 static int ls_lyrics_id_compare(const void *a, const void *b)
954 {
955 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
956 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
957 }
958
959 static int ls_image_id_compare(const void *a, const void *b)
960 {
961 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
962 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
963 }
964
965 static int ls_channels_compare(const void *a, const void *b)
966 {
967 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
968 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
969 }
970
971 static int ls_frequency_compare(const void *a, const void *b)
972 {
973 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
974 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
975 }
976
977 static int ls_num_played_compare(const void *a, const void *b)
978 {
979 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
980 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
981 }
982
983 static int ls_last_played_compare(const void *a, const void *b)
984 {
985 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
986 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
987 }
988
989 static int ls_score_compare(const void *a, const void *b)
990 {
991 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
992 return NUM_COMPARE(d1->score, d2->score);
993 }
994
995 static int ls_path_compare(const void *a, const void *b)
996 {
997 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
998 return strcmp(d1->path, d2->path);
999 }
1000
1001 static int sort_matching_paths(struct ls_options *options)
1002 {
1003 size_t nmemb = options->num_matching_paths;
1004 size_t size = sizeof(*options->data_ptr);
1005 int (*compar)(const void *, const void *);
1006 int i;
1007
1008 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1009 for (i = 0; i < nmemb; i++)
1010 options->data_ptr[i] = options->data + i;
1011
1012 /* In these cases the array is already sorted */
1013 if (options->sorting == LS_SORT_BY_PATH
1014 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1015 && (options->flags & LS_FLAG_FULL_PATH))
1016 return 1;
1017 if (options->sorting == LS_SORT_BY_SCORE &&
1018 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1019 return 1;
1020
1021 switch (options->sorting) {
1022 case LS_SORT_BY_PATH:
1023 compar = ls_path_compare; break;
1024 case LS_SORT_BY_SCORE:
1025 compar = ls_score_compare; break;
1026 case LS_SORT_BY_LAST_PLAYED:
1027 compar = ls_last_played_compare; break;
1028 case LS_SORT_BY_NUM_PLAYED:
1029 compar = ls_num_played_compare; break;
1030 case LS_SORT_BY_FREQUENCY:
1031 compar = ls_frequency_compare; break;
1032 case LS_SORT_BY_CHANNELS:
1033 compar = ls_channels_compare; break;
1034 case LS_SORT_BY_IMAGE_ID:
1035 compar = ls_image_id_compare; break;
1036 case LS_SORT_BY_LYRICS_ID:
1037 compar = ls_lyrics_id_compare; break;
1038 case LS_SORT_BY_BITRATE:
1039 compar = ls_bitrate_compare; break;
1040 case LS_SORT_BY_DURATION:
1041 compar = ls_duration_compare; break;
1042 case LS_SORT_BY_AUDIO_FORMAT:
1043 compar = ls_audio_format_compare; break;
1044 default:
1045 return -E_BAD_SORT;
1046 }
1047 qsort(options->data_ptr, nmemb, size, compar);
1048 return 1;
1049 }
1050
1051 /* row is either an aft_row or a row of the score table */
1052 /* TODO: Only compute widths if we need them */
1053 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1054 {
1055 int ret, i;
1056 struct ls_options *options = ls_opts;
1057 struct ls_data *d;
1058 struct ls_widths *w;
1059 unsigned short num_digits;
1060 unsigned tmp;
1061 struct osl_row *aft_row;
1062 long score;
1063 char *path;
1064
1065 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1066 ret = get_score_and_aft_row(row, &score, &aft_row);
1067 if (ret < 0)
1068 return ret;
1069 } else
1070 aft_row = row;
1071 ret = get_audio_file_path_of_row(aft_row, &path);
1072 if (ret < 0)
1073 return ret;
1074 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1075 char *p = strrchr(path, '/');
1076 if (p)
1077 path = p + 1;
1078 }
1079 if (options->num_patterns) {
1080 for (i = 0; i < options->num_patterns; i++) {
1081 ret = fnmatch(options->patterns[i], path, 0);
1082 if (!ret)
1083 break;
1084 if (ret == FNM_NOMATCH)
1085 continue;
1086 return -E_FNMATCH;
1087 }
1088 if (i >= options->num_patterns) /* no match */
1089 return 1;
1090 }
1091 tmp = options->num_matching_paths++;
1092 if (options->num_matching_paths > options->array_size) {
1093 options->array_size++;
1094 options->array_size *= 2;
1095 options->data = para_realloc(options->data, options->array_size
1096 * sizeof(*options->data));
1097 }
1098 d = options->data + tmp;
1099 ret = get_afsi_of_row(aft_row, &d->afsi);
1100 if (ret < 0)
1101 return ret;
1102 ret = get_afhi_of_row(aft_row, &d->afhi);
1103 if (ret < 0)
1104 return ret;
1105 d->path = path;
1106 ret = get_hash_of_row(aft_row, &d->hash);
1107 if (ret < 0)
1108 return ret;
1109 w = &options->widths;
1110 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1111 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1112 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1113 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1114 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1115 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1116 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1117 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1118 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1119 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1120 /* get the number of chars to print this amount of time */
1121 tmp = get_duration_width(d->afhi.seconds_total);
1122 w->duration_width = PARA_MAX(w->duration_width, tmp);
1123 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1124 GET_NUM_DIGITS(score, &num_digits);
1125 num_digits++; /* add one for the sign (space or "-") */
1126 w->score_width = PARA_MAX(w->score_width, num_digits);
1127 d->score = score;
1128 }
1129 return 1;
1130 }
1131
1132 static int com_ls_callback(const struct osl_object *query,
1133 struct osl_object *ls_output)
1134 {
1135 struct ls_options *opts = query->data;
1136 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1137 struct para_buffer b = {.buf = NULL, .size = 0};
1138 int i = 0, ret;
1139 time_t current_time;
1140
1141
1142 PARA_NOTICE_LOG("%d patterns\n", opts->num_patterns);
1143 if (opts->num_patterns) {
1144 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1145 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1146 opts->patterns[i] = p;
1147 p += strlen(p) + 1;
1148 PARA_NOTICE_LOG("pattern %d: %s\n", i, opts->patterns[i]);
1149 }
1150 } else
1151 opts->patterns = NULL;
1152 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1153 ret = admissible_file_loop(opts, prepare_ls_row);
1154 else
1155 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1156 prepare_ls_row);
1157 if (ret < 0)
1158 goto out;
1159 ret = opts->num_patterns? -E_NO_MATCH : 0;
1160 if (!opts->num_matching_paths) {
1161 PARA_NOTICE_LOG("no match, ret: %d\n", ret);
1162 goto out;
1163 }
1164 ret = sort_matching_paths(opts);
1165 if (ret < 0)
1166 goto out;
1167 time(&current_time);
1168 if (opts->flags & LS_FLAG_REVERSE)
1169 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1170 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1171 if (ret < 0)
1172 break;
1173 }
1174 else
1175 for (i = 0; i < opts->num_matching_paths; i++) {
1176 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1177 if (ret < 0)
1178 break;
1179 }
1180 ret = 1;
1181 out:
1182 ls_output->data = b.buf;
1183 PARA_NOTICE_LOG("ls_outoute.data: %p\n", ls_output->data);
1184 ls_output->size = b.size;
1185 free(opts->data);
1186 free(opts->data_ptr);
1187 free(opts->patterns);
1188 return ret;
1189 }
1190
1191 /*
1192 * TODO: flags -h (sort by hash) -lm (list in mbox format)
1193 *
1194 * long list: list hash, attributes as (xx--x-x-), file size, lastplayed
1195 * full list: list everything, including afsi, afhi, atts as clear text
1196 *
1197 * */
1198 int com_afs_ls(int fd, int argc, char * const * const argv)
1199 {
1200 int i, ret;
1201 unsigned flags = 0;
1202 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1203 enum ls_listing_mode mode = LS_MODE_SHORT;
1204 struct ls_options opts = {.patterns = NULL};
1205 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1206 ls_output;
1207
1208 for (i = 1; i < argc; i++) {
1209 const char *arg = argv[i];
1210 if (arg[0] != '-')
1211 break;
1212 if (!strcmp(arg, "--")) {
1213 i++;
1214 break;
1215 }
1216 if (!strncmp(arg, "-l", 2)) {
1217 if (!*(arg + 2)) {
1218 mode = LS_MODE_LONG;
1219 continue;
1220 }
1221 if (*(arg + 3))
1222 return -E_AFT_SYNTAX;
1223 switch(*(arg + 2)) {
1224 case 's':
1225 mode = LS_MODE_SHORT;
1226 continue;
1227 case 'l':
1228 mode = LS_MODE_LONG;
1229 continue;
1230 case 'v':
1231 mode = LS_MODE_VERBOSE;
1232 continue;
1233 case 'm':
1234 mode = LS_MODE_MBOX;
1235 continue;
1236 default:
1237 return -E_AFT_SYNTAX;
1238 }
1239 }
1240 if (!strcmp(arg, "-p")) {
1241 flags |= LS_FLAG_FULL_PATH;
1242 continue;
1243 }
1244 if (!strcmp(arg, "-a")) {
1245 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1246 continue;
1247 }
1248 if (!strcmp(arg, "-r")) {
1249 flags |= LS_FLAG_REVERSE;
1250 continue;
1251 }
1252 if (!strncmp(arg, "-s", 2)) {
1253 if (!*(arg + 2) || *(arg + 3))
1254 return -E_AFT_SYNTAX;
1255 switch(*(arg + 2)) {
1256 case 'p':
1257 sort = LS_SORT_BY_PATH;
1258 continue;
1259 case 's': /* -ss implies -a */
1260 sort = LS_SORT_BY_SCORE;
1261 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1262 continue;
1263 case 'l':
1264 sort = LS_SORT_BY_LAST_PLAYED;
1265 continue;
1266 case 'n':
1267 sort = LS_SORT_BY_NUM_PLAYED;
1268 continue;
1269 case 'f':
1270 sort = LS_SORT_BY_FREQUENCY;
1271 continue;
1272 case 'c':
1273 sort = LS_SORT_BY_CHANNELS;
1274 continue;
1275 case 'i':
1276 sort = LS_SORT_BY_IMAGE_ID;
1277 continue;
1278 case 'y':
1279 sort = LS_SORT_BY_LYRICS_ID;
1280 continue;
1281 case 'b':
1282 sort = LS_SORT_BY_BITRATE;
1283 continue;
1284 case 'd':
1285 sort = LS_SORT_BY_DURATION;
1286 continue;
1287 case 'a':
1288 sort = LS_SORT_BY_AUDIO_FORMAT;
1289 continue;
1290 default:
1291 return -E_AFT_SYNTAX;
1292 }
1293 }
1294 return -E_AFT_SYNTAX;
1295 }
1296 opts.flags = flags;
1297 opts.sorting = sort;
1298 opts.mode = mode;
1299 opts.num_patterns = argc - i;
1300 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1301 argv + i, com_ls_callback, &ls_output);
1302 if (ret > 0) {
1303 ret = send_buffer(fd, (char *)ls_output.data);
1304 free(ls_output.data);
1305 }
1306 return ret;
1307 }
1308
1309 /**
1310 * Call the given function for each file in the audio file table.
1311 *
1312 * \param private_data An arbitrary data pointer, passed to \a func.
1313 * \param func The custom function to be called.
1314 *
1315 * \return The return value of the underlying call to osl_rbtree_loop().
1316 */
1317 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1318 {
1319 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1320 func);
1321 }
1322
1323 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1324 {
1325 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1326 struct osl_row *row;
1327
1328 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1329 return row;
1330 }
1331
1332 enum aft_row_offsets {
1333 AFTROW_AFHI_OFFSET_POS = 0,
1334 AFTROW_CHUNKS_OFFSET_POS = 2,
1335 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1336 AFTROW_FLAGS_OFFSET = 5,
1337 AFTROW_HASH_OFFSET = 9,
1338 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1339 };
1340
1341 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1342 * In this case, afhi won't be stored in the buffer */
1343 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1344 struct audio_format_info *afhi, uint32_t flags,
1345 uint8_t audio_format_num, struct osl_object *obj)
1346 {
1347 size_t path_len = strlen(path) + 1;
1348 size_t afhi_size = sizeof_afhi_buf(afhi);
1349 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1350 + sizeof_chunk_info_buf(afhi);
1351 char *buf = para_malloc(size);
1352 uint16_t pos;
1353
1354 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1355 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1356
1357 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1358 strcpy(buf + AFTROW_PATH_OFFSET, path);
1359
1360 pos = AFTROW_PATH_OFFSET + path_len;
1361 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1362 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1363 pos + afhi_size - 1);
1364 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1365 save_afhi(afhi, buf + pos);
1366
1367 pos += afhi_size;
1368 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1369 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1370 save_chunk_info(afhi, buf + pos);
1371 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1372 obj->data = buf;
1373 obj->size = size;
1374 }
1375
1376 /*
1377 input:
1378 ~~~~~~
1379 HS: hash sister
1380 PB: path brother
1381 F: force flag given
1382
1383 output:
1384 ~~~~~~~
1385 AFHI: whether afhi and chunk table are computed and sent
1386 ACTION: table modifications to be performed
1387
1388 +---+----+-----+------+---------------------------------------------------+
1389 | HS | PB | F | AFHI | ACTION
1390 +---+----+-----+------+---------------------------------------------------+
1391 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1392 | | update path, keep afsi
1393 +---+----+-----+------+---------------------------------------------------+
1394 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1395 | | otherwise: remove PB, HS: update path, keep afhi,
1396 | | afsi.
1397 +---+----+-----+------+---------------------------------------------------+
1398 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1399 | | HS, keep afsi
1400 +---+----+-----+------+---------------------------------------------------+
1401 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1402 +---+----+-----+------+---------------------------------------------------+
1403 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1404 | | (force has no effect)
1405 +---+----+-----+------+---------------------------------------------------+
1406 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1407 +---+----+-----+------+---------------------------------------------------+
1408 | N | N | Y | Y | (new file) create new entry (force has no effect)
1409 +---+----+-----+------+---------------------------------------------------+
1410 | N | N | N | Y | (new file) create new entry
1411 +---+----+-----+------+---------------------------------------------------+
1412
1413 afhi <=> force or no HS
1414
1415 */
1416
1417
1418 #define ADD_FLAG_LAZY 1
1419 #define ADD_FLAG_FORCE 2
1420 #define ADD_FLAG_VERBOSE 4
1421 #define ADD_FLAG_ALL 8
1422
1423 /* TODO: change log messages so that they get written to the result buffer */
1424
1425 static int com_add_callback(const struct osl_object *query,
1426 __a_unused struct osl_object *result)
1427 {
1428 char *buf = query->data, *path;
1429 struct osl_row *pb, *aft_row;
1430 const struct osl_row *hs;
1431 struct osl_object objs[NUM_AFT_COLUMNS];
1432 HASH_TYPE *hash;
1433 char asc[2 * HASH_SIZE + 1];
1434 int ret;
1435 char afsi_buf[AFSI_SIZE];
1436 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1437 struct afs_info default_afsi = {.last_played = 0};
1438
1439 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1440 hash_to_asc(hash, asc);;
1441 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1442 objs[AFTCOL_HASH].size = HASH_SIZE;
1443
1444 path = buf + AFTROW_PATH_OFFSET;
1445 objs[AFTCOL_PATH].data = path;
1446 objs[AFTCOL_PATH].size = strlen(path) + 1;
1447
1448 PARA_INFO_LOG("request to add %s\n", path);
1449 hs = find_hash_sister(hash);
1450 ret = aft_get_row_of_path(path, &pb);
1451 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1452 return ret;
1453 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1454 if (flags & ADD_FLAG_VERBOSE)
1455 PARA_NOTICE_LOG("ignoring duplicate %p\n", path);
1456 return 1;
1457 }
1458 if (hs && hs != pb) {
1459 struct osl_object obj;
1460 if (pb) { /* hs trumps pb, remove pb */
1461 if (flags & ADD_FLAG_VERBOSE)
1462 PARA_NOTICE_LOG("removing path brother\n");
1463 ret = osl_del_row(audio_file_table, pb);
1464 if (ret < 0)
1465 return ret;
1466 pb = NULL;
1467 }
1468 /* file rename, update hs' path */
1469 ret = osl_get_object(audio_file_table, hs, AFTCOL_PATH, &obj);
1470 if (flags & ADD_FLAG_VERBOSE)
1471 PARA_NOTICE_LOG("rename %s -> %s\n", (char *)obj.data, path);
1472 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1473 &objs[AFTCOL_PATH]);
1474 if (ret < 0)
1475 return ret;
1476 if (!(flags & ADD_FLAG_FORCE))
1477 return ret;
1478 }
1479 /* no hs or force mode, child must have sent afhi */
1480 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1481 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1482
1483 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1484 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1485 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1486 return -E_NO_AFHI;
1487 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1488 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1489 if (pb && !hs) { /* update pb's hash */
1490 char old_asc[2 * HASH_SIZE + 1];
1491 HASH_TYPE *old_hash;
1492 ret = get_hash_of_row(pb, &old_hash);
1493 if (ret < 0)
1494 return ret;
1495 hash_to_asc(old_hash, old_asc);
1496 if (flags & ADD_FLAG_VERBOSE)
1497 PARA_NOTICE_LOG("file change: %s %s -> %s\n", path,
1498 old_asc, asc);
1499 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1500 &objs[AFTCOL_HASH]);
1501 if (ret < 0)
1502 return ret;
1503 }
1504 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1505 const struct osl_row *row = pb? pb : hs;
1506 /* update afhi and chunk_table */
1507 if (flags & ADD_FLAG_VERBOSE)
1508 PARA_DEBUG_LOG("updating audio format handler info (%zd bytes)\n",
1509 objs[AFTCOL_AFHI].size);
1510 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1511 &objs[AFTCOL_AFHI]);
1512 if (ret < 0)
1513 return ret;
1514 if (flags & ADD_FLAG_VERBOSE)
1515 PARA_DEBUG_LOG("updating chunk table\n");
1516 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1517 &objs[AFTCOL_CHUNKS]);
1518 if (ret < 0)
1519 return ret;
1520 return mood_update_audio_file(row, NULL);
1521 }
1522 /* new entry, use default afsi */
1523 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1524 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1525
1526 objs[AFTCOL_AFSI].data = &afsi_buf;
1527 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1528 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1529 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1530 if (ret < 0)
1531 return ret;
1532 return mood_update_audio_file(aft_row, NULL);
1533 }
1534
1535 struct private_add_data {
1536 int fd;
1537 uint32_t flags;
1538 };
1539
1540 static int path_brother_callback(const struct osl_object *query,
1541 struct osl_object *result)
1542 {
1543 char *path = query->data;
1544 struct osl_row *path_brother;
1545 int ret = aft_get_row_of_path(path, &path_brother);
1546 if (ret < 0)
1547 return ret;
1548 result->data = para_malloc(sizeof(path_brother));
1549 result->size = sizeof(path_brother);
1550 *(struct osl_row **)(result->data) = path_brother;
1551 return 1;
1552 }
1553
1554 static int hash_sister_callback(const struct osl_object *query,
1555 struct osl_object *result)
1556 {
1557 HASH_TYPE *hash = query->data;
1558 struct osl_row *hash_sister;
1559
1560 hash_sister = find_hash_sister(hash);
1561 if (!hash_sister)
1562 return -E_RB_KEY_NOT_FOUND;
1563 result->data = para_malloc(sizeof(hash_sister));
1564 result->size = sizeof(hash_sister);
1565 *(struct osl_row **)(result->data) = hash_sister;
1566 return 1;
1567 }
1568
1569 static int add_one_audio_file(const char *arg, const void *private_data)
1570 {
1571 int ret;
1572 uint8_t format_num = -1;
1573 const struct private_add_data *pad = private_data;
1574 struct audio_format_info afhi, *afhi_ptr = NULL;
1575 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1576 struct osl_object map, obj = {.data = NULL}, query, result;
1577 char *path = NULL;
1578 HASH_TYPE hash[HASH_SIZE];
1579
1580 afhi.header_offset = 0;
1581 afhi.header_len = 0;
1582 ret = verify_path(arg, &path);
1583 if (ret < 0)
1584 goto out_free;
1585 ret = guess_audio_format(path);
1586 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL)) {
1587 if (pad->flags & ADD_FLAG_VERBOSE)
1588 ret = send_va_buffer(pad->fd, "%s: %s\n",
1589 PARA_STRERROR(-ret), path);
1590 ret = 1;
1591 goto out_free;
1592 }
1593 query.data = path;
1594 query.size = strlen(path) + 1;
1595 ret = send_callback_request(path_brother_callback, &query, &result);
1596 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1597 goto out_free;
1598 if (ret >= 0) {
1599 pb = *(struct osl_row **)result.data;
1600 free(result.data);
1601 }
1602 ret = 1;
1603 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1604 if (pad->flags & ADD_FLAG_VERBOSE)
1605 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1606 goto out_free;
1607 }
1608 /* We still want to add this file. Compute its hash. */
1609 ret = mmap_full_file(path, O_RDONLY, &map);
1610 if (ret < 0)
1611 goto out_free;
1612 hash_function(map.data, map.size, hash);
1613
1614 /* Check whether database contains file with the same hash. */
1615 query.data = hash;
1616 query.size = HASH_SIZE;
1617 ret = send_callback_request(hash_sister_callback, &query, &result);
1618 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1619 goto out_free;
1620 if (ret >= 0) {
1621 hs = *(struct osl_row **)result.data;
1622 free(result.data);
1623 }
1624 /* Return success if we already know this file. */
1625 ret = 1;
1626 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1627 if (pad->flags & ADD_FLAG_VERBOSE)
1628 ret = send_va_buffer(pad->fd,
1629 "not forcing update: %s\n", path);
1630 goto out_unmap;
1631 }
1632 /*
1633 * we won't recalculate the audio format info and the chunk table if
1634 * there is a hash sister unless in FORCE mode.
1635 */
1636 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1637 ret = compute_afhi(path, map.data, map.size, &afhi);
1638 if (ret < 0)
1639 goto out_unmap;
1640 format_num = ret;
1641 afhi_ptr = &afhi;
1642 }
1643 if (pad->flags & ADD_FLAG_VERBOSE) {
1644 ret = send_va_buffer(pad->fd, "adding %s\n", path);
1645 if (ret < 0)
1646 goto out_unmap;
1647 }
1648 munmap(map.data, map.size);
1649 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1650 /* Ask afs to consider this entry for adding. */
1651 ret = send_callback_request(com_add_callback, &obj, NULL);
1652 goto out_free;
1653
1654 out_unmap:
1655 munmap(map.data, map.size);
1656 out_free:
1657 if (ret < 0 && ret != -E_SEND)
1658 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path?
1659 path : arg, PARA_STRERROR(-ret));
1660 free(obj.data);
1661 free(path);
1662 if (afhi_ptr)
1663 free(afhi_ptr->chunk_table);
1664 /* it's not an error if not all files could be added */
1665 return ret == -E_SEND? ret : 1;
1666 }
1667
1668 int com_add(int fd, int argc, char * const * const argv)
1669 {
1670 int i, ret;
1671 struct private_add_data pad = {.fd = fd, .flags = 0};
1672 struct stat statbuf;
1673
1674 for (i = 1; i < argc; i++) {
1675 const char *arg = argv[i];
1676 if (arg[0] != '-')
1677 break;
1678 if (!strcmp(arg, "--")) {
1679 i++;
1680 break;
1681 }
1682 if (!strcmp(arg, "-a")) {
1683 pad.flags |= ADD_FLAG_ALL;
1684 continue;
1685 }
1686 if (!strcmp(arg, "-l")) {
1687 pad.flags |= ADD_FLAG_LAZY;
1688 continue;
1689 }
1690 if (!strcmp(arg, "-f")) {
1691 pad.flags |= ADD_FLAG_FORCE;
1692 continue;
1693 }
1694 if (!strcmp(arg, "-v")) {
1695 pad.flags |= ADD_FLAG_VERBOSE;
1696 continue;
1697 }
1698 }
1699 if (argc <= i)
1700 return -E_AFT_SYNTAX;
1701 for (; i < argc; i++) {
1702 char *path = para_strdup(argv[i]);
1703 size_t len = strlen(path);
1704 while (len > 1 && path[--len] == '/')
1705 path[len] = '\0';
1706 ret = stat(path, &statbuf);
1707 if (ret < 0)
1708 PARA_NOTICE_LOG("failed to stat %s (%s)", path,
1709 strerror(errno));
1710 else {
1711 if (S_ISDIR(statbuf.st_mode))
1712 ret = for_each_file_in_dir(path, add_one_audio_file,
1713 &pad);
1714 else
1715 ret = add_one_audio_file(path, &pad);
1716 if (ret < 0) {
1717 send_va_buffer(fd, "%s: %s\n", path, PARA_STRERROR(-ret));
1718 free(path);
1719 return ret;
1720 }
1721 }
1722 free(path);
1723 }
1724 ret = 1;
1725 return ret;
1726
1727 }
1728
1729 enum touch_flags {
1730 TOUCH_FLAG_FNM_PATHNAME = 1,
1731 TOUCH_FLAG_VERBOSE = 2
1732 };
1733
1734 struct com_touch_options {
1735 int32_t num_played;
1736 int64_t last_played;
1737 int32_t lyrics_id;
1738 int32_t image_id;
1739 unsigned flags;
1740 };
1741
1742 struct touch_action_data {
1743 struct com_touch_options *cto;
1744 struct para_buffer pb;
1745 };
1746
1747 static int touch_audio_file(__a_unused struct osl_table *table,
1748 struct osl_row *row, const char *name, void *data)
1749 {
1750 struct touch_action_data *tad = data;
1751 struct osl_object obj;
1752 struct afs_info old_afsi, new_afsi;
1753 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1754 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1755
1756 ret = get_afsi_object_of_row(row, &obj);
1757 if (ret < 0) {
1758 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1759 return 1;
1760 }
1761 ret = load_afsi(&old_afsi, &obj);
1762 if (ret < 0) {
1763 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1764 return 1;
1765 }
1766 new_afsi = old_afsi;
1767 if (no_options) {
1768 new_afsi.num_played++;
1769 new_afsi.last_played = time(NULL);
1770 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1771 para_printf(&tad->pb, "%s: num_played = %u, "
1772 "last_played = now()\n", name,
1773 new_afsi.num_played);
1774 } else {
1775 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1776 para_printf(&tad->pb, "touching %s\n", name);
1777 if (tad->cto->lyrics_id >= 0)
1778 new_afsi.lyrics_id = tad->cto->lyrics_id;
1779 if (tad->cto->image_id >= 0)
1780 new_afsi.image_id = tad->cto->image_id;
1781 if (tad->cto->num_played >= 0)
1782 new_afsi.num_played = tad->cto->num_played;
1783 if (tad->cto->last_played >= 0)
1784 new_afsi.last_played = tad->cto->last_played;
1785 }
1786 save_afsi(&new_afsi, &obj); /* in-place update */
1787 ret = mood_update_audio_file(row, &old_afsi);
1788 if (ret < 0)
1789 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1790 return 1;
1791 }
1792
1793 static int com_touch_callback(const struct osl_object *query,
1794 struct osl_object *result)
1795 {
1796 struct touch_action_data tad = {.cto = query->data};
1797 int ret;
1798 struct pattern_match_data pmd = {
1799 .table = audio_file_table,
1800 .loop_col_num = AFTCOL_HASH,
1801 .match_col_num = AFTCOL_PATH,
1802 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1803 .size = query->size - sizeof(*tad.cto)},
1804 .data = &tad,
1805 .action = touch_audio_file
1806 };
1807 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1808 pmd.fnmatch_flags |= FNM_PATHNAME;
1809 ret = for_each_matching_row(&pmd);
1810 if (ret < 0)
1811 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1812 if (tad.pb.buf) {
1813 result->data = tad.pb.buf;
1814 result->size = tad.pb.size;
1815 return 1;
1816 }
1817 return ret < 0? ret : 0;
1818 }
1819
1820 int com_touch(int fd, int argc, char * const * const argv)
1821 {
1822 struct com_touch_options cto = {
1823 .num_played = -1,
1824 .last_played = -1,
1825 .lyrics_id = -1,
1826 .image_id = -1
1827 };
1828 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1829 result;
1830 int i, ret;
1831
1832
1833 for (i = 1; i < argc; i++) {
1834 const char *arg = argv[i];
1835 if (arg[0] != '-')
1836 break;
1837 if (!strcmp(arg, "--")) {
1838 i++;
1839 break;
1840 }
1841 if (!strncmp(arg, "-n", 2)) {
1842 ret = para_atoi32(arg + 2, &cto.num_played);
1843 if (ret < 0)
1844 return ret;
1845 continue;
1846 }
1847 if (!strncmp(arg, "-l", 2)) {
1848 ret = para_atoi64(arg + 2, &cto.last_played);
1849 if (ret < 0)
1850 return ret;
1851 continue;
1852 }
1853 if (!strncmp(arg, "-y", 2)) {
1854 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1855 if (ret < 0)
1856 return ret;
1857 continue;
1858 }
1859 if (!strncmp(arg, "-i", 2)) {
1860 ret = para_atoi32(arg + 2, &cto.image_id);
1861 if (ret < 0)
1862 return ret;
1863 continue;
1864 }
1865 if (!strcmp(arg, "-p")) {
1866 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1867 continue;
1868 }
1869 if (!strcmp(arg, "-v")) {
1870 cto.flags |= TOUCH_FLAG_VERBOSE;
1871 continue;
1872 }
1873 break; /* non-option starting with dash */
1874 }
1875 if (i >= argc)
1876 return -E_AFT_SYNTAX;
1877 ret = send_option_arg_callback_request(&query, argc - i,
1878 argv + i, com_touch_callback, &result);
1879 if (ret > 0) {
1880 send_buffer(fd, (char *)result.data);
1881 free(result.data);
1882 } else
1883 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1884 return ret;
1885 }
1886
1887 enum rm_flags {
1888 RM_FLAG_VERBOSE = 1,
1889 RM_FLAG_FORCE = 2,
1890 RM_FLAG_FNM_PATHNAME = 4
1891 };
1892
1893 struct com_rm_data {
1894 uint32_t flags;
1895 struct para_buffer pb;
1896 unsigned num_removed;
1897 };
1898
1899 static int remove_audio_file(__a_unused struct osl_table *table,
1900 struct osl_row *row, const char *name, void *data)
1901 {
1902 struct com_rm_data *crd = data;
1903 int ret;
1904
1905 if (crd->flags & RM_FLAG_VERBOSE)
1906 para_printf(&crd->pb, "removing %s\n", name);
1907 ret = mood_delete_audio_file(row);
1908 if (ret < 0)
1909 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1910 ret = osl_del_row(audio_file_table, row);
1911 if (ret < 0)
1912 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1913 else
1914 crd->num_removed++;
1915 return 1;
1916 }
1917
1918 static int com_rm_callback(const struct osl_object *query,
1919 __a_unused struct osl_object *result)
1920 {
1921 struct com_rm_data crd = {.flags = *(uint32_t *)query->data};
1922 int ret;
1923 struct pattern_match_data pmd = {
1924 .table = audio_file_table,
1925 .loop_col_num = AFTCOL_HASH,
1926 .match_col_num = AFTCOL_PATH,
1927 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
1928 .size = query->size - sizeof(uint32_t)},
1929 .data = &crd,
1930 .action = remove_audio_file
1931 };
1932 if (crd.flags & RM_FLAG_FNM_PATHNAME)
1933 pmd.fnmatch_flags |= FNM_PATHNAME;
1934 ret = for_each_matching_row(&pmd);
1935 if (ret < 0)
1936 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
1937 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
1938 para_printf(&crd.pb, "no matches -- nothing removed\n");
1939 else {
1940 if (crd.flags & RM_FLAG_VERBOSE)
1941 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
1942 }
1943 if (crd.pb.buf) {
1944 result->data = crd.pb.buf;
1945 result->size = crd.pb.size;
1946 return 1;
1947 }
1948 return ret < 0? ret : 0;
1949 }
1950
1951 /* TODO options: -r (recursive) */
1952 int com_afs_rm(int fd, int argc, char * const * const argv)
1953 {
1954 uint32_t flags = 0;
1955 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
1956 result;
1957 int i, ret;
1958
1959 for (i = 1; i < argc; i++) {
1960 const char *arg = argv[i];
1961 if (arg[0] != '-')
1962 break;
1963 if (!strcmp(arg, "--")) {
1964 i++;
1965 break;
1966 }
1967 if (!strcmp(arg, "-f")) {
1968 flags |= RM_FLAG_FORCE;
1969 continue;
1970 }
1971 if (!strcmp(arg, "-p")) {
1972 flags |= RM_FLAG_FNM_PATHNAME;
1973 continue;
1974 }
1975 if (!strcmp(arg, "-v")) {
1976 flags |= RM_FLAG_VERBOSE;
1977 continue;
1978 }
1979 break;
1980 }
1981 if (i >= argc)
1982 return -E_AFT_SYNTAX;
1983 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
1984 com_rm_callback, &result);
1985 if (ret > 0) {
1986 send_buffer(fd, (char *)result.data);
1987 free(result.data);
1988 } else
1989 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1990 return ret;
1991 }
1992
1993 enum cpsi_flags {
1994 CPSI_FLAG_COPY_LYRICS_ID = 1,
1995 CPSI_FLAG_COPY_IMAGE_ID = 2,
1996 CPSI_FLAG_COPY_LASTPLAYED = 4,
1997 CPSI_FLAG_COPY_NUMPLAYED = 8,
1998 CPSI_FLAG_COPY_ATTRIBUTES = 16,
1999 CPSI_FLAG_VERBOSE = 32,
2000 };
2001
2002 struct cpsi_action_data {
2003 unsigned flags;
2004 unsigned num_copied;
2005 struct para_buffer pb;
2006 struct afs_info source_afsi;
2007 };
2008
2009 static int copy_selector_info(__a_unused struct osl_table *table,
2010 struct osl_row *row, const char *name, void *data)
2011 {
2012 struct cpsi_action_data *cad = data;
2013 struct osl_object target_afsi_obj;
2014 int ret;
2015 struct afs_info target_afsi;
2016
2017 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2018 if (ret < 0)
2019 return ret;
2020 load_afsi(&target_afsi, &target_afsi_obj);
2021 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2022 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2023 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2024 target_afsi.image_id = cad->source_afsi.image_id;
2025 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2026 target_afsi.last_played = cad->source_afsi.last_played;
2027 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2028 target_afsi.num_played = cad->source_afsi.num_played;
2029 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2030 target_afsi.attributes = cad->source_afsi.attributes;
2031 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2032 cad->num_copied++;
2033 if (cad->flags & CPSI_FLAG_VERBOSE)
2034 para_printf(&cad->pb, "copied afsi to %s\n", name);
2035 return 1;
2036 }
2037
2038 static int com_cpsi_callback(const struct osl_object *query,
2039 struct osl_object *result)
2040 {
2041 struct cpsi_action_data cad = {.flags = *(unsigned *)query->data};
2042 int ret;
2043 char *source_path = (char *)query->data + sizeof(cad.flags);
2044
2045 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2046 if (ret < 0)
2047 goto out;
2048 struct pattern_match_data pmd = {
2049 .table = audio_file_table,
2050 .loop_col_num = AFTCOL_HASH,
2051 .match_col_num = AFTCOL_PATH,
2052 .patterns = {.data = source_path + strlen(source_path) + 1,
2053 .size = query->size - sizeof(cad.flags)
2054 - strlen(source_path) - 1},
2055 .data = &cad,
2056 .action = copy_selector_info
2057 };
2058 ret = for_each_matching_row(&pmd);
2059 out:
2060 if (ret < 0)
2061 para_printf(&cad.pb, "%s\n", PARA_STRERROR(-ret));
2062 if (cad.flags & CPSI_FLAG_VERBOSE) {
2063 if (cad.num_copied)
2064 para_printf(&cad.pb, "copied requested afsi from %s "
2065 "to %u files\n",
2066 source_path, cad.num_copied);
2067 else
2068 para_printf(&cad.pb, "nothing copied\n");
2069 }
2070 if (cad.pb.buf) {
2071 result->data = cad.pb.buf;
2072 result->size = cad.pb.size;
2073 return 1;
2074 }
2075 return ret < 0? ret : 0;
2076 }
2077
2078 int com_cpsi(int fd, int argc, char * const * const argv)
2079 {
2080 unsigned flags = 0;
2081 int i, ret;
2082 struct osl_object options = {.data = &flags, .size = sizeof(flags)},
2083 result;
2084
2085 for (i = 1; i < argc; i++) {
2086 const char *arg = argv[i];
2087 if (arg[0] != '-')
2088 break;
2089 if (!strcmp(arg, "--")) {
2090 i++;
2091 break;
2092 }
2093 if (!strcmp(arg, "-y")) {
2094 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2095 continue;
2096 }
2097 if (!strcmp(arg, "-i")) {
2098 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2099 continue;
2100 }
2101 if (!strcmp(arg, "-l")) {
2102 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2103 continue;
2104 }
2105 if (!strcmp(arg, "-n")) {
2106 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2107 continue;
2108 }
2109 if (!strcmp(arg, "-a")) {
2110 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2111 continue;
2112 }
2113 if (!strcmp(arg, "-v")) {
2114 flags |= CPSI_FLAG_VERBOSE;
2115 continue;
2116 }
2117 break;
2118 }
2119 if (i + 1 >= argc) /* need at least souce file and pattern */
2120 return -E_AFT_SYNTAX;
2121 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2122 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2123 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2124 com_cpsi_callback, &result);
2125 if (ret > 0) {
2126 send_buffer(fd, (char *)result.data);
2127 free(result.data);
2128 } else
2129 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2130 return ret;
2131 }
2132
2133 /* TODO: optionally fix problems by removing offending rows */
2134 static int check_audio_file(struct osl_row *row, void *data)
2135 {
2136 char *path;
2137 struct para_buffer *pb = data;
2138 struct stat statbuf;
2139 int ret = get_audio_file_path_of_row(row, &path);
2140 struct afs_info afsi;
2141 char *blob_name;
2142
2143 if (ret < 0) {
2144 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
2145 return 1;
2146 }
2147 if (stat(path, &statbuf) < 0)
2148 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2149 else {
2150 if (!S_ISREG(statbuf.st_mode))
2151 para_printf(pb, "%s: not a regular file\n", path);
2152 }
2153 ret = get_afsi_of_row(row, &afsi);
2154 if (ret < 0) {
2155 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
2156 return 1;
2157 }
2158 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2159 if (ret < 0)
2160 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2161 PARA_STRERROR(-ret));
2162 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2163 if (ret < 0)
2164 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2165 PARA_STRERROR(-ret));
2166 return 1;
2167 }
2168
2169 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
2170 {
2171 struct para_buffer pb = {.buf = NULL};
2172
2173 para_printf(&pb, "checking audio file table...\n");
2174 audio_file_loop(&pb, check_audio_file);
2175 result->data = pb.buf;
2176 result->size = pb.size;
2177 return 1;
2178
2179 }
2180
2181
2182
2183 /**
2184 * Close the audio file table.
2185 *
2186 * \param flags Ususal flags that are passed to osl_close_table().
2187 *
2188 * \sa osl_close_table().
2189 */
2190 void aft_shutdown(enum osl_close_flags flags)
2191 {
2192 osl_close_table(audio_file_table, flags);
2193 audio_file_table = NULL;
2194 }
2195
2196 /**
2197 * Open the audio file table.
2198 *
2199 * \param ti Gets initialized by this function.
2200 * \param db The database directory.
2201 *
2202 * \return Positive on success, negative on errors.
2203 *
2204 * \sa osl_open_table().
2205 */
2206 int aft_init(struct table_info *ti, const char *db)
2207 {
2208 int ret;
2209
2210 audio_file_table_desc.dir = db;
2211 ti->desc = &audio_file_table_desc;
2212 ret = osl_open_table(ti->desc, &audio_file_table);
2213 if (ret >= 0) {
2214 unsigned num;
2215 osl_get_num_rows(audio_file_table, &num);
2216 PARA_INFO_LOG("audio file table contains %d files\n", num);
2217 return ret;
2218 }
2219 PARA_INFO_LOG("failed to open audio file table\n");
2220 audio_file_table = NULL;
2221 return ret == -E_NOENT? 1 : ret;
2222 }