Remove some system errors from errno.h
[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 static struct osl_table *audio_file_table;
20
21 /** The different sorting methods of the ls command. */
22 enum ls_sorting_method {
23 /** -sp (default) */
24 LS_SORT_BY_PATH,
25 /** -ss */
26 LS_SORT_BY_SCORE,
27 /** -sl */
28 LS_SORT_BY_LAST_PLAYED,
29 /** -sn */
30 LS_SORT_BY_NUM_PLAYED,
31 /** -sf */
32 LS_SORT_BY_FREQUENCY,
33 /** -sc */
34 LS_SORT_BY_CHANNELS,
35 /** -si */
36 LS_SORT_BY_IMAGE_ID,
37 /** -sy */
38 LS_SORT_BY_LYRICS_ID,
39 /** -sb */
40 LS_SORT_BY_BITRATE,
41 /** -sd */
42 LS_SORT_BY_DURATION,
43 /** -sa */
44 LS_SORT_BY_AUDIO_FORMAT,
45 /** -sh */
46 LS_SORT_BY_HASH,
47 };
48
49 /** The different listing modes of the ls command. */
50 enum ls_listing_mode {
51 /** Default listing mode. */
52 LS_MODE_SHORT,
53 /** -l or -ll */
54 LS_MODE_LONG,
55 /** -lv */
56 LS_MODE_VERBOSE,
57 /** -lm */
58 LS_MODE_MBOX
59 };
60
61 /** The flags accepted by the ls command. */
62 enum ls_flags {
63 /** -p */
64 LS_FLAG_FULL_PATH = 1,
65 /** -a */
66 LS_FLAG_ADMISSIBLE_ONLY = 2,
67 /** -r */
68 LS_FLAG_REVERSE = 4,
69 };
70
71 /**
72 * The size of the individual output fields of the ls command.
73 *
74 * These depend on the actual content being listed. If, for instance only files
75 * with duration less than an hour are being listed, then the duration with is
76 * made smaller because then the duration is listed as mm:ss rather than
77 * hh:mm:ss.
78 */
79 struct ls_widths {
80 /** size of the score field. */
81 unsigned short score_width;
82 /** size of the image id field. */
83 unsigned short image_id_width;
84 /** size of the lyrics id field. */
85 unsigned short lyrics_id_width;
86 /** size of the bitrate field. */
87 unsigned short bitrate_width;
88 /** size of the frequency field. */
89 unsigned short frequency_width;
90 /** size of the duration field. */
91 unsigned short duration_width;
92 /** size of the num played field. */
93 unsigned short num_played_width;
94 };
95
96 /** Data passed to the different compare functions (called by qsort()). */
97 struct ls_data {
98 /** Usual audio format handler information. */
99 struct audio_format_info afhi;
100 /** Audio file selector information. */
101 struct afs_info afsi;
102 /** The full path of the audio file. */
103 char *path;
104 /** The score value (if -a was given). */
105 long score;
106 /** The sha1 hash of audio file. */
107 HASH_TYPE *hash;
108 };
109
110 struct ls_options {
111 unsigned flags;
112 enum ls_sorting_method sorting;
113 enum ls_listing_mode mode;
114 char **patterns;
115 int num_patterns;
116 struct ls_widths widths;
117 uint32_t array_size;
118 uint32_t num_matching_paths;
119 struct ls_data *data;
120 struct ls_data **data_ptr;
121 };
122
123 /**
124 * Describes the layout of the mmapped-afs info struct.
125 *
126 * \sa struct afs_info.
127 */
128 enum afsi_offsets {
129 /** Where .last_played is stored. */
130 AFSI_LAST_PLAYED_OFFSET = 0,
131 /** Storage position of the attributes bitmap. */
132 AFSI_ATTRIBUTES_OFFSET = 8,
133 /** Storage position of the .num_played field. */
134 AFSI_NUM_PLAYED_OFFSET = 16,
135 /** Storage position of the .image_id field. */
136 AFSI_IMAGE_ID_OFFSET = 20,
137 /** Storage position of the .lyrics_id field. */
138 AFSI_LYRICS_ID_OFFSET = 24,
139 /** Storage position of the .audio_format_id field. */
140 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
141 /** On-disk storage space needed. */
142 AFSI_SIZE = 29
143 };
144
145 /**
146 * Convert a struct afs_info to an osl object.
147 *
148 * \param afsi Pointer to the audio file info to be converted.
149 * \param obj Result pointer.
150 *
151 * \sa load_afsi().
152 */
153 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
154 {
155 char *buf = obj->data;
156
157 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
158 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
159 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
160 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
161 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
162 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
163 afsi->audio_format_id);
164 }
165
166 /**
167 * Get the audio file selector info struct stored in an osl object.
168 *
169 * \param afsi Points to the audio_file info structure to be filled in.
170 * \param obj The osl object holding the data.
171 *
172 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
173 *
174 * \sa save_afsi().
175 */
176 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
177 {
178 char *buf = obj->data;
179 if (obj->size < AFSI_SIZE)
180 return -E_BAD_AFSI;
181 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
182 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
183 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
184 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
185 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
186 afsi->audio_format_id = read_u8(buf +
187 AFSI_AUDIO_FORMAT_ID_OFFSET);
188 return 1;
189 }
190
191 /** The columns of the audio file table. */
192 enum audio_file_table_columns {
193 /** The hash on the content of the audio file. */
194 AFTCOL_HASH,
195 /** The full path in the filesystem. */
196 AFTCOL_PATH,
197 /** The audio file selector info. */
198 AFTCOL_AFSI,
199 /** The audio format handler info. */
200 AFTCOL_AFHI,
201 /** The chunk table info and the chunk table of the audio file. */
202 AFTCOL_CHUNKS,
203 /** The number of columns of this table. */
204 NUM_AFT_COLUMNS
205 };
206
207 static struct osl_column_description aft_cols[] = {
208 [AFTCOL_HASH] = {
209 .storage_type = OSL_MAPPED_STORAGE,
210 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
211 .name = "hash",
212 .compare_function = osl_hash_compare,
213 .data_size = HASH_SIZE
214 },
215 [AFTCOL_PATH] = {
216 .storage_type = OSL_MAPPED_STORAGE,
217 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
218 .name = "path",
219 .compare_function = string_compare,
220 },
221 [AFTCOL_AFSI] = {
222 .storage_type = OSL_MAPPED_STORAGE,
223 .storage_flags = OSL_FIXED_SIZE,
224 .name = "afs_info",
225 .data_size = AFSI_SIZE
226 },
227 [AFTCOL_AFHI] = {
228 .storage_type = OSL_MAPPED_STORAGE,
229 .name = "afh_info",
230 },
231 [AFTCOL_CHUNKS] = {
232 .storage_type = OSL_DISK_STORAGE,
233 .name = "chunks",
234 }
235 };
236
237 static struct osl_table_description audio_file_table_desc = {
238 .name = "audio_files",
239 .num_columns = NUM_AFT_COLUMNS,
240 .flags = OSL_LARGE_TABLE,
241 .column_descriptions = aft_cols
242 };
243
244 /* We don't want * dot or dot-dot anywhere. */
245 static int verify_dotfile(const char *rest)
246 {
247 /*
248 * The first character was '.', but that has already been discarded, we
249 * now test the rest.
250 */
251 switch (*rest) {
252 case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
253 return -1;
254 case '.': /* path start with /foo/.. */
255 if (rest[1] == '\0' || rest[1] == '/')
256 return -1; /* /foo/.. or /foo/../bar are not ok */
257 /* /foo/..bar is ok */
258 }
259 return 1;
260 }
261
262 /*
263 * We fundamentally don't like some paths: We don't want double slashes or
264 * slashes at the end that can make pathnames ambiguous.
265 */
266 static int verify_path(const char *orig_path, char **resolved_path)
267 {
268 char c;
269 size_t len;
270 char *path;
271
272 if (*orig_path != '/') /* we only accept absolute paths */
273 return -E_BAD_PATH;
274 len = strlen(orig_path);
275 *resolved_path = para_strdup(orig_path);
276 path = *resolved_path;
277 while (len > 1 && path[--len] == '/')
278 path[len] = '\0'; /* remove slash at the end */
279 c = *path++;
280 while (c) {
281 if (c == '/') {
282 c = *path++;
283 switch (c) {
284 case '/': /* double slash */
285 goto bad_path;
286 case '.':
287 if (verify_dotfile(path) < 0)
288 goto bad_path;
289 default:
290 continue;
291 }
292 }
293 c = *path++;
294 }
295 return 1;
296 bad_path:
297 free(*resolved_path);
298 return -E_BAD_PATH;
299 }
300
301 /** The on-disk layout of a afhi struct. */
302 enum afhi_offsets {
303 /** Where the number of seconds is stored. */
304 AFHI_SECONDS_TOTAL_OFFSET = 0,
305 /** Position of the bitrate. */
306 AFHI_BITRATE_OFFSET = 4,
307 /** Position of the frequency. */
308 AFHI_FREQUENCY_OFFSET = 8,
309 /** Number of channels is stored here. */
310 AFHI_CHANNELS_OFFSET = 12,
311 /** The tag info position. */
312 AFHI_INFO_STRING_OFFSET = 13,
313 /** Minimal on-disk size of a valid afhi struct. */
314 MIN_AFHI_SIZE = 14
315 };
316
317 static unsigned sizeof_afhi_buf(const struct audio_format_info *afhi)
318 {
319 if (!afhi)
320 return 0;
321 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
322 }
323
324 static void save_afhi(struct audio_format_info *afhi, char *buf)
325 {
326 if (!afhi)
327 return;
328 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
329 afhi->seconds_total);
330 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
331 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
332 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
333 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
334 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
335 }
336
337 static void load_afhi(const char *buf, struct audio_format_info *afhi)
338 {
339 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
340 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
341 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
342 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
343 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
344 }
345
346 static unsigned sizeof_chunk_info_buf(struct audio_format_info *afhi)
347 {
348 if (!afhi)
349 return 0;
350 return 4 * afhi->chunks_total + 20;
351
352 }
353
354 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
355 enum chunk_info_offsets{
356 /** The total number of chunks (4 bytes). */
357 CHUNKS_TOTAL_OFFSET = 0,
358 /** The length of the audio file header (4 bytes). */
359 HEADER_LEN_OFFSET = 4,
360 /** The start of the audio file header (4 bytes). */
361 HEADER_OFFSET_OFFSET = 8,
362 /** The seconds part of the chunk time (4 bytes). */
363 CHUNK_TV_TV_SEC_OFFSET = 12,
364 /** The microseconds part of the chunk time (4 bytes). */
365 CHUNK_TV_TV_USEC = 16,
366 /** Chunk table entries start here. */
367 CHUNK_TABLE_OFFSET = 20,
368 };
369
370 /* TODO: audio format handlers could just produce this */
371 static void save_chunk_info(struct audio_format_info *afhi, char *buf)
372 {
373 int i;
374
375 if (!afhi)
376 return;
377 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
378 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
379 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
380 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
381 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
382 for (i = 0; i < afhi->chunks_total; i++)
383 write_u32(buf + CHUNK_TABLE_OFFSET + 4 * i, afhi->chunk_table[i]);
384 }
385
386 static int load_chunk_info(struct osl_object *obj, struct audio_format_info *afhi)
387 {
388 char *buf = obj->data;
389 int i;
390
391 if (obj->size < CHUNK_TABLE_OFFSET)
392 return -E_BAD_DATA_SIZE;
393
394 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
395 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
396 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
397 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
398 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
399
400 if (afhi->chunks_total * 4 + CHUNK_TABLE_OFFSET > obj->size)
401 return -E_BAD_DATA_SIZE;
402 afhi->chunk_table = para_malloc(afhi->chunks_total * sizeof(size_t));
403 for (i = 0; i < afhi->chunks_total; i++)
404 afhi->chunk_table[i] = read_u32(buf + CHUNK_TABLE_OFFSET + 4 * i);
405 return 1;
406 }
407
408 /**
409 * Get the row of the audio file table corresponding to the given path.
410 *
411 * \param path The full path of the audio file.
412 * \param row Result pointer.
413 *
414 * \return The return value of the underlying call to osl_get_row().
415 */
416 int aft_get_row_of_path(const char *path, struct osl_row **row)
417 {
418 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
419
420 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
421 }
422
423 /**
424 * Get the row of the audio file table corresponding to the given hash value.
425 *
426 * \param hash The hash value of the desired audio file.
427 * \param row resul pointer.
428 *
429 * \return The return value of the underlying call to osl_get_row().
430 */
431 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
432 {
433 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
434 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
435 }
436
437 /**
438 * Get the osl object holding the audio file selector info of a row.
439 *
440 * \param row Pointer to a row in the audio file table.
441 * \param obj Result pointer.
442 *
443 * \return The return value of the underlying call to osl_get_object().
444 */
445 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
446 {
447 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
448 }
449
450 /**
451 * Get the osl object holding the audio file selector info, given a path.
452 *
453 *
454 * \param path The full path of the audio file.
455 * \param obj Result pointer.
456 *
457 * \return Positive on success, negative on errors.
458 */
459 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
460 {
461 struct osl_row *row;
462 int ret = aft_get_row_of_path(path, &row);
463 if (ret < 0)
464 return ret;
465 return get_afsi_object_of_row(row, obj);
466 }
467
468 /**
469 * Get the audio file selector info, given a row of the audio file table.
470 *
471 * \param row Pointer to a row in the audio file table.
472 * \param afsi Result pointer.
473 *
474 * \return Positive on success, negative on errors.
475 */
476 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
477 {
478 struct osl_object obj;
479 int ret = get_afsi_object_of_row(row, &obj);
480 if (ret < 0)
481 return ret;
482 return load_afsi(afsi, &obj);
483 }
484
485 /**
486 * Get the audio file selector info, given the path of an audio table.
487 *
488 * \param path The full path of the audio file.
489 * \param afsi Result pointer.
490 *
491 * \return Positive on success, negative on errors.
492 */
493 int get_afsi_of_path(const char *path, struct afs_info *afsi)
494 {
495 struct osl_object obj;
496 int ret = get_afsi_object_of_path(path, &obj);
497 if (ret < 0)
498 return ret;
499 return load_afsi(afsi, &obj);
500 }
501
502 /**
503 * Get the path of an audio file, given a row of the audio file table.
504 *
505 * \param row Pointer to a row in the audio file table.
506 * \param path Result pointer.
507 *
508 * \return Positive on success, negative on errors.
509 */
510 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
511 {
512 struct osl_object path_obj;
513 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
514 &path_obj);
515 if (ret < 0)
516 return ret;
517 *path = path_obj.data;
518 return 1;
519 }
520
521 /**
522 * Get the object containing the hash value of an audio file, given a row.
523 *
524 * \param row Pointer to a row of the audio file table.
525 * \param obj Result pointer.
526 *
527 * \return The return value of the underlying call to osl_get_object().
528 *
529 * \sa get_hash_of_row().
530 */
531 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
532 {
533 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
534 }
535
536 /**
537 * Get the hash value of an audio file, given a row of the audio file table.
538 *
539 * \param row Pointer to a row of the audio file table.
540 * \param hash Result pointer.
541 *
542 * \a hash points to mapped data and must not be freed by the caller.
543 *
544 * \return The return value of the underlying call to
545 * get_hash_object_of_aft_row().
546 */
547 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
548 {
549 struct osl_object obj;
550 int ret = get_hash_object_of_aft_row(row, &obj);
551
552 if (ret < 0)
553 return ret;
554 *hash = obj.data;
555 return 1;
556 }
557
558 /**
559 * Get the audio format handler info, given a row of the audio file table.
560 *
561 * \param row Pointer to a row of the audio file table.
562 * \param afhi Result pointer.
563 *
564 * \return The return value of the underlying call to osl_get_object().
565 *
566 * \sa get_chunk_table_of_row().
567 */
568 int get_afhi_of_row(const struct osl_row *row, struct audio_format_info *afhi)
569 {
570 struct osl_object obj;
571 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
572 &obj);
573 if (ret < 0)
574 return ret;
575 load_afhi(obj.data, afhi);
576 return 1;
577 }
578
579 /**
580 * Get the chunk table of an audio file, given a row of the audio file table.
581 *
582 * \param row Pointer to a row of the audio file table.
583 * \param afhi Result pointer.
584 *
585 * \return The return value of the underlying call to osl_open_disk_object().
586 *
587 * \sa get_afhi_of_row().
588 */
589 static int get_chunk_table_of_row(const struct osl_row *row, struct audio_format_info *afhi)
590 {
591 struct osl_object obj;
592 int ret = osl_open_disk_object(audio_file_table, row, AFTCOL_CHUNKS,
593 &obj);
594 if (ret < 0)
595 return ret;
596 ret = load_chunk_info(&obj, afhi);
597 osl_close_disk_object(&obj);
598 return ret;
599 }
600
601 /**
602 * Mmap the given audio file and update statistics.
603 *
604 * \param aft_row Determines the audio file to be opened and updated.
605 * \param afd Result pointer.
606 *
607 * On success, the numplayed field of the audio file selector info is increased
608 * and the lastplayed time is set to the current time. Finally, the score of
609 * the audio file is updated.
610 *
611 * \return Positive on success, negative on errors.
612 */
613 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
614 {
615 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
616 struct osl_object afsi_obj;
617 struct afs_info new_afsi;
618 int ret = get_hash_of_row(aft_row, &aft_hash);
619
620 if (ret < 0)
621 return ret;
622 ret = get_audio_file_path_of_row(aft_row, &afd->path);
623 if (ret < 0)
624 return ret;
625 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
626 if (ret < 0)
627 return ret;
628 ret = load_afsi(&afd->afsi, &afsi_obj);
629 if (ret < 0)
630 return ret;
631 ret = get_afhi_of_row(aft_row, &afd->afhi);
632 if (ret < 0)
633 return ret;
634 ret = get_chunk_table_of_row(aft_row, &afd->afhi);
635 if (ret < 0)
636 return ret;
637 ret = mmap_full_file(afd->path, O_RDONLY, &afd->map);
638 if (ret < 0)
639 goto err;
640 hash_function(afd->map.data, afd->map.size, file_hash);
641 ret = -E_HASH_MISMATCH;
642 if (hash_compare(file_hash, aft_hash))
643 goto err;
644 new_afsi = afd->afsi;
645 new_afsi.num_played++;
646 new_afsi.last_played = time(NULL);
647 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
648 if (afd->current_play_mode == PLAY_MODE_PLAYLIST)
649 ret = playlist_update_audio_file(aft_row);
650 else
651 ret = mood_update_audio_file(aft_row, &afd->afsi);
652 return ret;
653 err:
654 free(afd->afhi.chunk_table);
655 return ret;
656 }
657
658 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
659 time_t current_time, enum ls_listing_mode lm)
660 {
661 struct tm t;
662
663 if (!localtime_r((time_t *)seconds, &t))
664 return -E_LOCALTIME;
665 if (lm == LS_MODE_MBOX) {
666 if (!strftime(buf, size, "%c", &t))
667 return -E_STRFTIME;
668 return 1;
669 }
670 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
671 if (!strftime(buf, size, "%b %e %k:%M", &t))
672 return -E_STRFTIME;
673 return 1;
674 }
675 if (!strftime(buf, size, "%b %e %Y", &t))
676 return -E_STRFTIME;
677 return 1;
678 }
679
680 /** Compute the number of (decimal) digits of a number. */
681 #define GET_NUM_DIGITS(x, num) { \
682 typeof((x)) _tmp = PARA_ABS(x); \
683 *num = 1; \
684 if ((x)) \
685 while ((_tmp) > 9) { \
686 (_tmp) /= 10; \
687 (*num)++; \
688 } \
689 }
690
691 static short unsigned get_duration_width(int seconds)
692 {
693 short unsigned width;
694 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
695
696 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
697 return 4 + (mins > 9);
698 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
699 GET_NUM_DIGITS(hours, &width);
700 return width + 6;
701 }
702
703 static void get_duration_buf(int seconds, char *buf, short unsigned max_width)
704 {
705 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
706
707 if (!hours) /* m:ss or mm:ss */
708 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
709 else /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
710 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
711 seconds % 60);
712 }
713
714 static char *make_attribute_line(const char *att_bitmap, struct afs_info *afsi)
715 {
716 char *att_text, *att_line;
717
718 get_attribute_text(&afsi->attributes, " ", &att_text);
719 if (!att_text)
720 return para_strdup(att_bitmap);
721 att_line = make_message("%s (%s)", att_bitmap, att_text);
722 free(att_text);
723 return att_line;
724 }
725
726 static char *make_lyrics_line(struct afs_info *afsi)
727 {
728 char *lyrics_name;
729
730 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
731 if (!lyrics_name)
732 return make_message("%u", afsi->lyrics_id);
733 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
734 }
735
736 static char *make_image_line(struct afs_info *afsi)
737 {
738 char *image_name;
739 img_get_name_by_id(afsi->image_id, &image_name);
740 if (!image_name)
741 return make_message("%u", afsi->image_id);
742 return make_message("%u (%s)", afsi->image_id, image_name);
743 }
744
745 static int print_list_item(struct ls_data *d, struct ls_options *opts,
746 struct para_buffer *b, time_t current_time)
747 {
748 int ret;
749 char att_buf[65];
750 char last_played_time[30];
751 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
752 char score_buf[30] = "";
753 struct afs_info *afsi = &d->afsi;
754 struct audio_format_info *afhi = &d->afhi;
755 struct ls_widths *w = &opts->widths;
756 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
757 char asc_hash[2 * HASH_SIZE + 1];
758 char *att_line, *lyrics_line, *image_line;
759
760 if (opts->mode == LS_MODE_SHORT) {
761 para_printf(b, "%s\n", d->path);
762 return 1;
763 }
764 get_attribute_bitmap(&afsi->attributes, att_buf);
765 ret = get_local_time(&afsi->last_played, last_played_time,
766 sizeof(last_played_time), current_time, opts->mode);
767 if (ret < 0)
768 return ret;
769 get_duration_buf(afhi->seconds_total, duration_buf, w->duration_width);
770 if (have_score) {
771 if (opts->mode == LS_MODE_LONG)
772 sprintf(score_buf, "%*li ", w->score_width, d->score);
773 else
774 sprintf(score_buf, "%li ", d->score);
775 }
776
777 PARA_NOTICE_LOG("id: %s, %d\n", d->path, afsi->audio_format_id);
778 if (opts->mode == LS_MODE_LONG) {
779 para_printf(b,
780 "%s" /* score */
781 "%s " /* attributes */
782 "%*d " /* image_id */
783 "%*d " /* lyrics_id */
784 "%*d " /* bitrate */
785 "%s " /* audio format */
786 "%*d " /* frequency */
787 "%d " /* channels */
788 "%s " /* duration */
789 "%*d " /* num_played */
790 "%s " /* last_played */
791 "%s\n", /* path */
792 score_buf,
793 att_buf,
794 w->image_id_width, afsi->image_id,
795 w->lyrics_id_width, afsi->lyrics_id,
796 w->bitrate_width, afhi->bitrate,
797 audio_format_name(afsi->audio_format_id),
798 w->frequency_width, afhi->frequency,
799 afhi->channels,
800 duration_buf,
801 w->num_played_width, afsi->num_played,
802 last_played_time,
803 d->path
804 );
805 return 1;
806 }
807 hash_to_asc(d->hash, asc_hash);
808 att_line = make_attribute_line(att_buf, afsi);
809 lyrics_line = make_lyrics_line(afsi);
810 image_line = make_image_line(afsi);
811 if (opts->mode == LS_MODE_VERBOSE) {
812
813 para_printf(b,
814 "%s: %s\n" /* path */
815 "%s%s%s" /* score */
816 "attributes: %s\n"
817 "hash: %s\n"
818 "image_id: %s\n"
819 "lyrics_id: %s\n"
820 "bitrate: %dkbit/s\n"
821 "format: %s\n"
822 "frequency: %dHz\n"
823 "channels: %d\n"
824 "duration: %s\n"
825 "num_played: %d\n"
826 "last_played: %s\n"
827 "tag info: %s\n",
828 (opts->flags & LS_FLAG_FULL_PATH)?
829 "path" : "file", d->path,
830 have_score? "score: " : "", score_buf,
831 have_score? "\n" : "",
832 att_line,
833 asc_hash,
834 image_line,
835 lyrics_line,
836 afhi->bitrate,
837 audio_format_name(afsi->audio_format_id),
838 afhi->frequency,
839 afhi->channels,
840 duration_buf,
841 afsi->num_played,
842 last_played_time,
843 afhi->info_string
844 );
845 } else { /* mbox mode */
846 struct osl_object lyrics_def;
847 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
848 para_printf(b,
849 "From foo@localhost %s\n"
850 "Received: from\nTo: bar\nFrom: a\n"
851 "Subject: %s\n\n" /* path */
852 "%s%s%s" /* score */
853 "attributes: %s\n"
854 "hash: %s\n"
855 "image_id: %s\n"
856 "lyrics_id: %s\n"
857 "bitrate: %dkbit/s\n"
858 "format: %s\n"
859 "frequency: %dHz\n"
860 "channels: %d\n"
861 "duration: %s\n"
862 "num_played: %d\n"
863 "tag info: %s\n"
864 "%s%s\n",
865 last_played_time,
866 d->path,
867 have_score? "score: " : "", score_buf,
868 have_score? "\n" : "",
869 att_line,
870 asc_hash,
871 image_line,
872 lyrics_line,
873 afhi->bitrate,
874 audio_format_name(afsi->audio_format_id),
875 afhi->frequency,
876 afhi->channels,
877 duration_buf,
878 afsi->num_played,
879 afhi->info_string,
880 lyrics_def.data? "Lyrics:\n~~~~~~~\n" : "",
881 lyrics_def.data? (char *)lyrics_def.data : ""
882 );
883 if (lyrics_def.data)
884 osl_close_disk_object(lyrics_def.data);
885 }
886 free(att_line);
887 free(lyrics_line);
888 free(image_line);
889 return 1;
890 }
891
892 static int ls_audio_format_compare(const void *a, const void *b)
893 {
894 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
895 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
896 }
897
898 static int ls_duration_compare(const void *a, const void *b)
899 {
900 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
901 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
902 }
903
904 static int ls_bitrate_compare(const void *a, const void *b)
905 {
906 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
907 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
908 }
909
910 static int ls_lyrics_id_compare(const void *a, const void *b)
911 {
912 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
913 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
914 }
915
916 static int ls_image_id_compare(const void *a, const void *b)
917 {
918 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
919 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
920 }
921
922 static int ls_channels_compare(const void *a, const void *b)
923 {
924 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
925 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
926 }
927
928 static int ls_frequency_compare(const void *a, const void *b)
929 {
930 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
931 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
932 }
933
934 static int ls_num_played_compare(const void *a, const void *b)
935 {
936 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
937 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
938 }
939
940 static int ls_last_played_compare(const void *a, const void *b)
941 {
942 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
943 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
944 }
945
946 static int ls_score_compare(const void *a, const void *b)
947 {
948 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
949 return NUM_COMPARE(d1->score, d2->score);
950 }
951
952 static int ls_path_compare(const void *a, const void *b)
953 {
954 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
955 return strcmp(d1->path, d2->path);
956 }
957
958 static int sort_matching_paths(struct ls_options *options)
959 {
960 size_t nmemb = options->num_matching_paths;
961 size_t size = sizeof(*options->data_ptr);
962 int (*compar)(const void *, const void *);
963 int i;
964
965 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
966 for (i = 0; i < nmemb; i++)
967 options->data_ptr[i] = options->data + i;
968
969 /* In these cases the array is already sorted */
970 if (options->sorting == LS_SORT_BY_PATH
971 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
972 && (options->flags & LS_FLAG_FULL_PATH))
973 return 1;
974 if (options->sorting == LS_SORT_BY_SCORE &&
975 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
976 return 1;
977
978 switch (options->sorting) {
979 case LS_SORT_BY_PATH:
980 compar = ls_path_compare; break;
981 case LS_SORT_BY_SCORE:
982 compar = ls_score_compare; break;
983 case LS_SORT_BY_LAST_PLAYED:
984 compar = ls_last_played_compare; break;
985 case LS_SORT_BY_NUM_PLAYED:
986 compar = ls_num_played_compare; break;
987 case LS_SORT_BY_FREQUENCY:
988 compar = ls_frequency_compare; break;
989 case LS_SORT_BY_CHANNELS:
990 compar = ls_channels_compare; break;
991 case LS_SORT_BY_IMAGE_ID:
992 compar = ls_image_id_compare; break;
993 case LS_SORT_BY_LYRICS_ID:
994 compar = ls_lyrics_id_compare; break;
995 case LS_SORT_BY_BITRATE:
996 compar = ls_bitrate_compare; break;
997 case LS_SORT_BY_DURATION:
998 compar = ls_duration_compare; break;
999 case LS_SORT_BY_AUDIO_FORMAT:
1000 compar = ls_audio_format_compare; break;
1001 default:
1002 return -E_BAD_SORT;
1003 }
1004 qsort(options->data_ptr, nmemb, size, compar);
1005 return 1;
1006 }
1007
1008 /* row is either an aft_row or a row of the score table */
1009 /* TODO: Only compute widths if we need them */
1010 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1011 {
1012 int ret, i;
1013 struct ls_options *options = ls_opts;
1014 struct ls_data *d;
1015 struct ls_widths *w;
1016 unsigned short num_digits;
1017 unsigned tmp;
1018 struct osl_row *aft_row;
1019 long score;
1020 char *path;
1021
1022 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1023 ret = get_score_and_aft_row(row, &score, &aft_row);
1024 if (ret < 0)
1025 return ret;
1026 } else
1027 aft_row = row;
1028 ret = get_audio_file_path_of_row(aft_row, &path);
1029 if (ret < 0)
1030 return ret;
1031 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1032 char *p = strrchr(path, '/');
1033 if (p)
1034 path = p + 1;
1035 }
1036 if (options->num_patterns) {
1037 for (i = 0; i < options->num_patterns; i++) {
1038 ret = fnmatch(options->patterns[i], path, 0);
1039 if (!ret)
1040 break;
1041 if (ret == FNM_NOMATCH)
1042 continue;
1043 return -E_FNMATCH;
1044 }
1045 if (i >= options->num_patterns) /* no match */
1046 return 1;
1047 }
1048 tmp = options->num_matching_paths++;
1049 if (options->num_matching_paths > options->array_size) {
1050 options->array_size++;
1051 options->array_size *= 2;
1052 options->data = para_realloc(options->data, options->array_size
1053 * sizeof(*options->data));
1054 }
1055 d = options->data + tmp;
1056 ret = get_afsi_of_row(aft_row, &d->afsi);
1057 if (ret < 0)
1058 return ret;
1059 ret = get_afhi_of_row(aft_row, &d->afhi);
1060 if (ret < 0)
1061 return ret;
1062 d->path = path;
1063 ret = get_hash_of_row(aft_row, &d->hash);
1064 if (ret < 0)
1065 return ret;
1066 w = &options->widths;
1067 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1068 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1069 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1070 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1071 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1072 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1073 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1074 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1075 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1076 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1077 /* get the number of chars to print this amount of time */
1078 tmp = get_duration_width(d->afhi.seconds_total);
1079 w->duration_width = PARA_MAX(w->duration_width, tmp);
1080 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1081 GET_NUM_DIGITS(score, &num_digits);
1082 num_digits++; /* add one for the sign (space or "-") */
1083 w->score_width = PARA_MAX(w->score_width, num_digits);
1084 d->score = score;
1085 }
1086 return 1;
1087 }
1088
1089 static int com_ls_callback(const struct osl_object *query,
1090 struct osl_object *ls_output)
1091 {
1092 struct ls_options *opts = query->data;
1093 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1094 struct para_buffer b = {.buf = NULL, .size = 0};
1095 int i = 0, ret;
1096 time_t current_time;
1097
1098
1099 PARA_NOTICE_LOG("%d patterns\n", opts->num_patterns);
1100 if (opts->num_patterns) {
1101 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1102 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1103 opts->patterns[i] = p;
1104 p += strlen(p) + 1;
1105 PARA_NOTICE_LOG("pattern %d: %s\n", i, opts->patterns[i]);
1106 }
1107 } else
1108 opts->patterns = NULL;
1109 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1110 ret = admissible_file_loop(opts, prepare_ls_row);
1111 else
1112 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1113 prepare_ls_row);
1114 if (ret < 0)
1115 goto out;
1116 ret = opts->num_patterns? -E_NO_MATCH : 0;
1117 if (!opts->num_matching_paths) {
1118 PARA_NOTICE_LOG("no match, ret: %d\n", ret);
1119 goto out;
1120 }
1121 ret = sort_matching_paths(opts);
1122 if (ret < 0)
1123 goto out;
1124 time(&current_time);
1125 if (opts->flags & LS_FLAG_REVERSE)
1126 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1127 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1128 if (ret < 0)
1129 break;
1130 }
1131 else
1132 for (i = 0; i < opts->num_matching_paths; i++) {
1133 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1134 if (ret < 0)
1135 break;
1136 }
1137 ret = 1;
1138 out:
1139 ls_output->data = b.buf;
1140 PARA_NOTICE_LOG("ls_outoute.data: %p\n", ls_output->data);
1141 ls_output->size = b.size;
1142 free(opts->data);
1143 free(opts->data_ptr);
1144 free(opts->patterns);
1145 return ret;
1146 }
1147
1148 /*
1149 * TODO: flags -h (sort by hash) -lm (list in mbox format)
1150 *
1151 * long list: list hash, attributes as (xx--x-x-), file size, lastplayed
1152 * full list: list everything, including afsi, afhi, atts as clear text
1153 *
1154 * */
1155 int com_afs_ls(int fd, int argc, char * const * const argv)
1156 {
1157 int i, ret;
1158 unsigned flags = 0;
1159 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1160 enum ls_listing_mode mode = LS_MODE_SHORT;
1161 struct ls_options opts = {.patterns = NULL};
1162 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1163 ls_output;
1164
1165 for (i = 1; i < argc; i++) {
1166 const char *arg = argv[i];
1167 if (arg[0] != '-')
1168 break;
1169 if (!strcmp(arg, "--")) {
1170 i++;
1171 break;
1172 }
1173 if (!strncmp(arg, "-l", 2)) {
1174 if (!*(arg + 2)) {
1175 mode = LS_MODE_LONG;
1176 continue;
1177 }
1178 if (*(arg + 3))
1179 return -E_AFT_SYNTAX;
1180 switch(*(arg + 2)) {
1181 case 's':
1182 mode = LS_MODE_SHORT;
1183 continue;
1184 case 'l':
1185 mode = LS_MODE_LONG;
1186 continue;
1187 case 'v':
1188 mode = LS_MODE_VERBOSE;
1189 continue;
1190 case 'm':
1191 mode = LS_MODE_MBOX;
1192 continue;
1193 default:
1194 return -E_AFT_SYNTAX;
1195 }
1196 }
1197 if (!strcmp(arg, "-p")) {
1198 flags |= LS_FLAG_FULL_PATH;
1199 continue;
1200 }
1201 if (!strcmp(arg, "-a")) {
1202 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1203 continue;
1204 }
1205 if (!strcmp(arg, "-r")) {
1206 flags |= LS_FLAG_REVERSE;
1207 continue;
1208 }
1209 if (!strncmp(arg, "-s", 2)) {
1210 if (!*(arg + 2) || *(arg + 3))
1211 return -E_AFT_SYNTAX;
1212 switch(*(arg + 2)) {
1213 case 'p':
1214 sort = LS_SORT_BY_PATH;
1215 continue;
1216 case 's': /* -ss implies -a */
1217 sort = LS_SORT_BY_SCORE;
1218 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1219 continue;
1220 case 'l':
1221 sort = LS_SORT_BY_LAST_PLAYED;
1222 continue;
1223 case 'n':
1224 sort = LS_SORT_BY_NUM_PLAYED;
1225 continue;
1226 case 'f':
1227 sort = LS_SORT_BY_FREQUENCY;
1228 continue;
1229 case 'c':
1230 sort = LS_SORT_BY_CHANNELS;
1231 continue;
1232 case 'i':
1233 sort = LS_SORT_BY_IMAGE_ID;
1234 continue;
1235 case 'y':
1236 sort = LS_SORT_BY_LYRICS_ID;
1237 continue;
1238 case 'b':
1239 sort = LS_SORT_BY_BITRATE;
1240 continue;
1241 case 'd':
1242 sort = LS_SORT_BY_DURATION;
1243 continue;
1244 case 'a':
1245 sort = LS_SORT_BY_AUDIO_FORMAT;
1246 continue;
1247 default:
1248 return -E_AFT_SYNTAX;
1249 }
1250 }
1251 return -E_AFT_SYNTAX;
1252 }
1253 opts.flags = flags;
1254 opts.sorting = sort;
1255 opts.mode = mode;
1256 opts.num_patterns = argc - i;
1257 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1258 argv + i, com_ls_callback, &ls_output);
1259 if (ret > 0) {
1260 ret = send_buffer(fd, (char *)ls_output.data);
1261 free(ls_output.data);
1262 }
1263 return ret;
1264 }
1265
1266 /**
1267 * Call the given function for each file in the audio file table.
1268 *
1269 * \param private_data An arbitrary data pointer, passed to \a func.
1270 * \param func The custom function to be called.
1271 *
1272 * \return The return value of the underlying call to osl_rbtree_loop().
1273 */
1274 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1275 {
1276 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1277 func);
1278 }
1279
1280 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1281 {
1282 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1283 struct osl_row *row;
1284
1285 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1286 return row;
1287 }
1288
1289 enum aft_row_offsets {
1290 AFTROW_AFHI_OFFSET_POS = 0,
1291 AFTROW_CHUNKS_OFFSET_POS = 2,
1292 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1293 AFTROW_FLAGS_OFFSET = 5,
1294 AFTROW_HASH_OFFSET = 9,
1295 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1296 };
1297
1298 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1299 * In this case, afhi won't be stored in the buffer */
1300 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1301 struct audio_format_info *afhi, uint32_t flags,
1302 uint8_t audio_format_num, struct osl_object *obj)
1303 {
1304 size_t path_len = strlen(path) + 1;
1305 size_t afhi_size = sizeof_afhi_buf(afhi);
1306 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1307 + sizeof_chunk_info_buf(afhi);
1308 char *buf = para_malloc(size);
1309 uint16_t pos;
1310
1311 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1312 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1313
1314 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1315 strcpy(buf + AFTROW_PATH_OFFSET, path);
1316
1317 pos = AFTROW_PATH_OFFSET + path_len;
1318 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1319 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1320 pos + afhi_size - 1);
1321 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1322 save_afhi(afhi, buf + pos);
1323
1324 pos += afhi_size;
1325 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1326 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1327 save_chunk_info(afhi, buf + pos);
1328 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1329 obj->data = buf;
1330 obj->size = size;
1331 }
1332
1333 /*
1334 input:
1335 ~~~~~~
1336 HS: hash sister
1337 PB: path brother
1338 F: force flag given
1339
1340 output:
1341 ~~~~~~~
1342 AFHI: whether afhi and chunk table are computed and sent
1343 ACTION: table modifications to be performed
1344
1345 +---+----+-----+------+---------------------------------------------------+
1346 | HS | PB | F | AFHI | ACTION
1347 +---+----+-----+------+---------------------------------------------------+
1348 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1349 | | update path, keep afsi
1350 +---+----+-----+------+---------------------------------------------------+
1351 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1352 | | otherwise: remove PB, HS: update path, keep afhi,
1353 | | afsi.
1354 +---+----+-----+------+---------------------------------------------------+
1355 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1356 | | HS, keep afsi
1357 +---+----+-----+------+---------------------------------------------------+
1358 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1359 +---+----+-----+------+---------------------------------------------------+
1360 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1361 | | (force has no effect)
1362 +---+----+-----+------+---------------------------------------------------+
1363 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1364 +---+----+-----+------+---------------------------------------------------+
1365 | N | N | Y | Y | (new file) create new entry (force has no effect)
1366 +---+----+-----+------+---------------------------------------------------+
1367 | N | N | N | Y | (new file) create new entry
1368 +---+----+-----+------+---------------------------------------------------+
1369
1370 afhi <=> force or no HS
1371
1372 */
1373
1374 /** Flags passed to the add command. */
1375 enum com_add_flags {
1376 /** Skip paths that exist already. */
1377 ADD_FLAG_LAZY = 1,
1378 /** Force adding. */
1379 ADD_FLAG_FORCE = 2,
1380 /** Print what is being done. */
1381 ADD_FLAG_VERBOSE = 4,
1382 /** Try to add files with unknown suffixes. */
1383 ADD_FLAG_ALL = 8,
1384 };
1385
1386 static int com_add_callback(const struct osl_object *query,
1387 struct osl_object *result)
1388 {
1389 char *buf = query->data, *path;
1390 struct osl_row *pb, *aft_row;
1391 const struct osl_row *hs;
1392 struct osl_object objs[NUM_AFT_COLUMNS];
1393 HASH_TYPE *hash;
1394 char asc[2 * HASH_SIZE + 1];
1395 int ret;
1396 char afsi_buf[AFSI_SIZE];
1397 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1398 struct afs_info default_afsi = {.last_played = 0};
1399 struct para_buffer msg = {.buf = NULL};
1400
1401 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1402 hash_to_asc(hash, asc);;
1403 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1404 objs[AFTCOL_HASH].size = HASH_SIZE;
1405
1406 path = buf + AFTROW_PATH_OFFSET;
1407 objs[AFTCOL_PATH].data = path;
1408 objs[AFTCOL_PATH].size = strlen(path) + 1;
1409
1410 PARA_INFO_LOG("request to add %s\n", path);
1411 hs = find_hash_sister(hash);
1412 ret = aft_get_row_of_path(path, &pb);
1413 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1414 return ret;
1415 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1416 if (flags & ADD_FLAG_VERBOSE)
1417 para_printf(&msg, "ignoring duplicate\n");
1418 ret = 1;
1419 goto out;
1420 }
1421 if (hs && hs != pb) {
1422 struct osl_object obj;
1423 if (pb) { /* hs trumps pb, remove pb */
1424 if (flags & ADD_FLAG_VERBOSE)
1425 para_printf(&msg, "removing path brother\n");
1426 ret = osl_del_row(audio_file_table, pb);
1427 if (ret < 0)
1428 goto out;
1429 pb = NULL;
1430 }
1431 /* file rename, update hs' path */
1432 ret = osl_get_object(audio_file_table, hs, AFTCOL_PATH, &obj);
1433 if (flags & ADD_FLAG_VERBOSE)
1434 para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1435 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1436 &objs[AFTCOL_PATH]);
1437 if (ret < 0)
1438 goto out;
1439 if (!(flags & ADD_FLAG_FORCE))
1440 goto out;
1441 }
1442 /* no hs or force mode, child must have sent afhi */
1443 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1444 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1445
1446 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1447 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1448 ret = -E_NO_AFHI;
1449 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1450 goto out;
1451 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1452 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1453 if (pb && !hs) { /* update pb's hash */
1454 char old_asc[2 * HASH_SIZE + 1];
1455 HASH_TYPE *old_hash;
1456 ret = get_hash_of_row(pb, &old_hash);
1457 if (ret < 0)
1458 goto out;
1459 hash_to_asc(old_hash, old_asc);
1460 if (flags & ADD_FLAG_VERBOSE)
1461 para_printf(&msg, "file change: %s -> %s\n",
1462 old_asc, asc);
1463 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1464 &objs[AFTCOL_HASH]);
1465 if (ret < 0)
1466 goto out;
1467 }
1468 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1469 const struct osl_row *row = pb? pb : hs;
1470 /* update afhi and chunk_table */
1471 if (flags & ADD_FLAG_VERBOSE)
1472 para_printf(&msg, "updating afhi and chunk table\n");
1473 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1474 &objs[AFTCOL_AFHI]);
1475 if (ret < 0)
1476 goto out;
1477 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1478 &objs[AFTCOL_CHUNKS]);
1479 goto out;
1480 }
1481 /* new entry, use default afsi */
1482 if (flags & ADD_FLAG_VERBOSE)
1483 para_printf(&msg, "new file\n");
1484 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1485 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1486
1487 objs[AFTCOL_AFSI].data = &afsi_buf;
1488 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1489 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1490 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1491 out:
1492 if (ret < 0)
1493 para_printf(&msg, "%s\n", PARA_STRERROR(-ret));
1494 if (!msg.buf)
1495 return 0;
1496 result->data = msg.buf;
1497 result->size = msg.size;
1498 return 1;
1499 // mood_update_audio_file(aft_row, NULL);
1500 }
1501
1502 struct private_add_data {
1503 int fd;
1504 uint32_t flags;
1505 };
1506
1507 static int path_brother_callback(const struct osl_object *query,
1508 struct osl_object *result)
1509 {
1510 char *path = query->data;
1511 struct osl_row *path_brother;
1512 int ret = aft_get_row_of_path(path, &path_brother);
1513 if (ret < 0)
1514 return ret;
1515 result->data = para_malloc(sizeof(path_brother));
1516 result->size = sizeof(path_brother);
1517 *(struct osl_row **)(result->data) = path_brother;
1518 return 1;
1519 }
1520
1521 static int hash_sister_callback(const struct osl_object *query,
1522 struct osl_object *result)
1523 {
1524 HASH_TYPE *hash = query->data;
1525 struct osl_row *hash_sister;
1526
1527 hash_sister = find_hash_sister(hash);
1528 if (!hash_sister)
1529 return -E_RB_KEY_NOT_FOUND;
1530 result->data = para_malloc(sizeof(hash_sister));
1531 result->size = sizeof(hash_sister);
1532 *(struct osl_row **)(result->data) = hash_sister;
1533 return 1;
1534 }
1535
1536 static int add_one_audio_file(const char *path, const void *private_data)
1537 {
1538 int ret, ret2;
1539 uint8_t format_num = -1;
1540 const struct private_add_data *pad = private_data;
1541 struct audio_format_info afhi, *afhi_ptr = NULL;
1542 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1543 struct osl_object map, obj = {.data = NULL}, query, result;
1544 HASH_TYPE hash[HASH_SIZE];
1545
1546 afhi.header_offset = 0;
1547 afhi.header_len = 0;
1548 ret = guess_audio_format(path);
1549 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1550 goto out_free;
1551 query.data = (char *)path;
1552 query.size = strlen(path) + 1;
1553 ret = send_callback_request(path_brother_callback, &query, &result);
1554 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1555 goto out_free;
1556 if (ret >= 0) {
1557 pb = *(struct osl_row **)result.data;
1558 free(result.data);
1559 }
1560 ret = 1;
1561 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1562 if (pad->flags & ADD_FLAG_VERBOSE)
1563 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1564 goto out_free;
1565 }
1566 /* We still want to add this file. Compute its hash. */
1567 ret = mmap_full_file(path, O_RDONLY, &map);
1568 if (ret < 0)
1569 goto out_free;
1570 hash_function(map.data, map.size, hash);
1571
1572 /* Check whether database contains file with the same hash. */
1573 query.data = hash;
1574 query.size = HASH_SIZE;
1575 ret = send_callback_request(hash_sister_callback, &query, &result);
1576 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1577 goto out_free;
1578 if (ret >= 0) {
1579 hs = *(struct osl_row **)result.data;
1580 free(result.data);
1581 }
1582 /* Return success if we already know this file. */
1583 ret = 1;
1584 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1585 if (pad->flags & ADD_FLAG_VERBOSE)
1586 ret = send_va_buffer(pad->fd,
1587 "%s exists, not forcing update\n", path);
1588 goto out_unmap;
1589 }
1590 /*
1591 * we won't recalculate the audio format info and the chunk table if
1592 * there is a hash sister unless in FORCE mode.
1593 */
1594 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1595 ret = compute_afhi(path, map.data, map.size, &afhi);
1596 if (ret < 0)
1597 goto out_unmap;
1598 format_num = ret;
1599 afhi_ptr = &afhi;
1600 }
1601 if (pad->flags & ADD_FLAG_VERBOSE) {
1602 ret = send_va_buffer(pad->fd, "adding %s\n", path);
1603 if (ret < 0)
1604 goto out_unmap;
1605 }
1606 munmap(map.data, map.size);
1607 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1608 /* Ask afs to consider this entry for adding. */
1609 ret = send_callback_request(com_add_callback, &obj, &result);
1610 if (result.data && result.size) {
1611 ret2 = send_va_buffer(pad->fd, "%s", (char *)result.data);
1612 free(result.data);
1613 if (ret >= 0 && ret2 < 0)
1614 ret = ret2;
1615 }
1616 goto out_free;
1617
1618 out_unmap:
1619 munmap(map.data, map.size);
1620 out_free:
1621 if (ret < 0 && ret != -E_SEND)
1622 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1623 PARA_STRERROR(-ret));
1624 free(obj.data);
1625 if (afhi_ptr)
1626 free(afhi_ptr->chunk_table);
1627 /* it's not an error if not all files could be added */
1628 return ret == -E_SEND? ret : 1;
1629 }
1630
1631 int com_add(int fd, int argc, char * const * const argv)
1632 {
1633 int i, ret;
1634 struct private_add_data pad = {.fd = fd, .flags = 0};
1635 struct stat statbuf;
1636
1637 for (i = 1; i < argc; i++) {
1638 const char *arg = argv[i];
1639 if (arg[0] != '-')
1640 break;
1641 if (!strcmp(arg, "--")) {
1642 i++;
1643 break;
1644 }
1645 if (!strcmp(arg, "-a")) {
1646 pad.flags |= ADD_FLAG_ALL;
1647 continue;
1648 }
1649 if (!strcmp(arg, "-l")) {
1650 pad.flags |= ADD_FLAG_LAZY;
1651 continue;
1652 }
1653 if (!strcmp(arg, "-f")) {
1654 pad.flags |= ADD_FLAG_FORCE;
1655 continue;
1656 }
1657 if (!strcmp(arg, "-v")) {
1658 pad.flags |= ADD_FLAG_VERBOSE;
1659 continue;
1660 }
1661 }
1662 if (argc <= i)
1663 return -E_AFT_SYNTAX;
1664 for (; i < argc; i++) {
1665 char *path;
1666 ret = verify_path(argv[i], &path);
1667 if (ret < 0) {
1668 ret = send_va_buffer(fd, "%s: %s\n", argv[i], PARA_STRERROR(-ret));
1669 if (ret < 0)
1670 return ret;
1671 continue;
1672 }
1673 ret = stat(path, &statbuf);
1674 if (ret < 0) {
1675 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1676 strerror(errno));
1677 free(path);
1678 if (ret < 0)
1679 return ret;
1680 continue;
1681 }
1682 if (S_ISDIR(statbuf.st_mode))
1683 ret = for_each_file_in_dir(path, add_one_audio_file,
1684 &pad);
1685 else
1686 ret = add_one_audio_file(path, &pad);
1687 if (ret < 0) {
1688 send_va_buffer(fd, "%s: %s\n", path, PARA_STRERROR(-ret));
1689 free(path);
1690 return ret;
1691 }
1692 free(path);
1693 }
1694 return 1;
1695
1696 }
1697
1698 /**
1699 * Flags used by the touch command.
1700 *
1701 * \sa com_touch().
1702 */
1703 enum touch_flags {
1704 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1705 TOUCH_FLAG_FNM_PATHNAME = 1,
1706 /** Activates verbose mode. */
1707 TOUCH_FLAG_VERBOSE = 2
1708 };
1709
1710 struct com_touch_options {
1711 int32_t num_played;
1712 int64_t last_played;
1713 int32_t lyrics_id;
1714 int32_t image_id;
1715 unsigned flags;
1716 };
1717
1718 struct touch_action_data {
1719 struct com_touch_options *cto;
1720 struct para_buffer pb;
1721 };
1722
1723 static int touch_audio_file(__a_unused struct osl_table *table,
1724 struct osl_row *row, const char *name, void *data)
1725 {
1726 struct touch_action_data *tad = data;
1727 struct osl_object obj;
1728 struct afs_info old_afsi, new_afsi;
1729 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1730 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1731
1732 ret = get_afsi_object_of_row(row, &obj);
1733 if (ret < 0) {
1734 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1735 return 1;
1736 }
1737 ret = load_afsi(&old_afsi, &obj);
1738 if (ret < 0) {
1739 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1740 return 1;
1741 }
1742 new_afsi = old_afsi;
1743 if (no_options) {
1744 new_afsi.num_played++;
1745 new_afsi.last_played = time(NULL);
1746 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1747 para_printf(&tad->pb, "%s: num_played = %u, "
1748 "last_played = now()\n", name,
1749 new_afsi.num_played);
1750 } else {
1751 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1752 para_printf(&tad->pb, "touching %s\n", name);
1753 if (tad->cto->lyrics_id >= 0)
1754 new_afsi.lyrics_id = tad->cto->lyrics_id;
1755 if (tad->cto->image_id >= 0)
1756 new_afsi.image_id = tad->cto->image_id;
1757 if (tad->cto->num_played >= 0)
1758 new_afsi.num_played = tad->cto->num_played;
1759 if (tad->cto->last_played >= 0)
1760 new_afsi.last_played = tad->cto->last_played;
1761 }
1762 save_afsi(&new_afsi, &obj); /* in-place update */
1763 ret = mood_update_audio_file(row, &old_afsi);
1764 if (ret < 0)
1765 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1766 return 1;
1767 }
1768
1769 static int com_touch_callback(const struct osl_object *query,
1770 struct osl_object *result)
1771 {
1772 struct touch_action_data tad = {.cto = query->data};
1773 int ret;
1774 struct pattern_match_data pmd = {
1775 .table = audio_file_table,
1776 .loop_col_num = AFTCOL_HASH,
1777 .match_col_num = AFTCOL_PATH,
1778 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1779 .size = query->size - sizeof(*tad.cto)},
1780 .data = &tad,
1781 .action = touch_audio_file
1782 };
1783 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1784 pmd.fnmatch_flags |= FNM_PATHNAME;
1785 ret = for_each_matching_row(&pmd);
1786 if (ret < 0)
1787 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1788 if (tad.pb.buf) {
1789 result->data = tad.pb.buf;
1790 result->size = tad.pb.size;
1791 return 1;
1792 }
1793 return ret < 0? ret : 0;
1794 }
1795
1796 int com_touch(int fd, int argc, char * const * const argv)
1797 {
1798 struct com_touch_options cto = {
1799 .num_played = -1,
1800 .last_played = -1,
1801 .lyrics_id = -1,
1802 .image_id = -1
1803 };
1804 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1805 result;
1806 int i, ret;
1807
1808
1809 for (i = 1; i < argc; i++) {
1810 const char *arg = argv[i];
1811 if (arg[0] != '-')
1812 break;
1813 if (!strcmp(arg, "--")) {
1814 i++;
1815 break;
1816 }
1817 if (!strncmp(arg, "-n", 2)) {
1818 ret = para_atoi32(arg + 2, &cto.num_played);
1819 if (ret < 0)
1820 return ret;
1821 continue;
1822 }
1823 if (!strncmp(arg, "-l", 2)) {
1824 ret = para_atoi64(arg + 2, &cto.last_played);
1825 if (ret < 0)
1826 return ret;
1827 continue;
1828 }
1829 if (!strncmp(arg, "-y", 2)) {
1830 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1831 if (ret < 0)
1832 return ret;
1833 continue;
1834 }
1835 if (!strncmp(arg, "-i", 2)) {
1836 ret = para_atoi32(arg + 2, &cto.image_id);
1837 if (ret < 0)
1838 return ret;
1839 continue;
1840 }
1841 if (!strcmp(arg, "-p")) {
1842 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1843 continue;
1844 }
1845 if (!strcmp(arg, "-v")) {
1846 cto.flags |= TOUCH_FLAG_VERBOSE;
1847 continue;
1848 }
1849 break; /* non-option starting with dash */
1850 }
1851 if (i >= argc)
1852 return -E_AFT_SYNTAX;
1853 ret = send_option_arg_callback_request(&query, argc - i,
1854 argv + i, com_touch_callback, &result);
1855 if (ret > 0) {
1856 send_buffer(fd, (char *)result.data);
1857 free(result.data);
1858 } else
1859 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1860 return ret;
1861 }
1862
1863 enum rm_flags {
1864 RM_FLAG_VERBOSE = 1,
1865 RM_FLAG_FORCE = 2,
1866 RM_FLAG_FNM_PATHNAME = 4
1867 };
1868
1869 struct com_rm_data {
1870 uint32_t flags;
1871 struct para_buffer pb;
1872 unsigned num_removed;
1873 };
1874
1875 static int remove_audio_file(__a_unused struct osl_table *table,
1876 struct osl_row *row, const char *name, void *data)
1877 {
1878 struct com_rm_data *crd = data;
1879 int ret;
1880
1881 if (crd->flags & RM_FLAG_VERBOSE)
1882 para_printf(&crd->pb, "removing %s\n", name);
1883 ret = mood_delete_audio_file(row);
1884 if (ret < 0)
1885 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1886 ret = osl_del_row(audio_file_table, row);
1887 if (ret < 0)
1888 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1889 else
1890 crd->num_removed++;
1891 return 1;
1892 }
1893
1894 static int com_rm_callback(const struct osl_object *query,
1895 __a_unused struct osl_object *result)
1896 {
1897 struct com_rm_data crd = {.flags = *(uint32_t *)query->data};
1898 int ret;
1899 struct pattern_match_data pmd = {
1900 .table = audio_file_table,
1901 .loop_col_num = AFTCOL_HASH,
1902 .match_col_num = AFTCOL_PATH,
1903 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
1904 .size = query->size - sizeof(uint32_t)},
1905 .data = &crd,
1906 .action = remove_audio_file
1907 };
1908 if (crd.flags & RM_FLAG_FNM_PATHNAME)
1909 pmd.fnmatch_flags |= FNM_PATHNAME;
1910 ret = for_each_matching_row(&pmd);
1911 if (ret < 0)
1912 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
1913 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
1914 para_printf(&crd.pb, "no matches -- nothing removed\n");
1915 else {
1916 if (crd.flags & RM_FLAG_VERBOSE)
1917 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
1918 }
1919 if (crd.pb.buf) {
1920 result->data = crd.pb.buf;
1921 result->size = crd.pb.size;
1922 return 1;
1923 }
1924 return ret < 0? ret : 0;
1925 }
1926
1927 /* TODO options: -r (recursive) */
1928 int com_afs_rm(int fd, int argc, char * const * const argv)
1929 {
1930 uint32_t flags = 0;
1931 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
1932 result;
1933 int i, ret;
1934
1935 for (i = 1; i < argc; i++) {
1936 const char *arg = argv[i];
1937 if (arg[0] != '-')
1938 break;
1939 if (!strcmp(arg, "--")) {
1940 i++;
1941 break;
1942 }
1943 if (!strcmp(arg, "-f")) {
1944 flags |= RM_FLAG_FORCE;
1945 continue;
1946 }
1947 if (!strcmp(arg, "-p")) {
1948 flags |= RM_FLAG_FNM_PATHNAME;
1949 continue;
1950 }
1951 if (!strcmp(arg, "-v")) {
1952 flags |= RM_FLAG_VERBOSE;
1953 continue;
1954 }
1955 break;
1956 }
1957 if (i >= argc)
1958 return -E_AFT_SYNTAX;
1959 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
1960 com_rm_callback, &result);
1961 if (ret > 0) {
1962 send_buffer(fd, (char *)result.data);
1963 free(result.data);
1964 } else
1965 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1966 return ret;
1967 }
1968
1969 /**
1970 * Flags used by the cpsi command.
1971 *
1972 * \sa com_cpsi().
1973 */
1974 enum cpsi_flags {
1975 /** Whether the lyrics id should be copied. */
1976 CPSI_FLAG_COPY_LYRICS_ID = 1,
1977 /** Whether the image id should be copied. */
1978 CPSI_FLAG_COPY_IMAGE_ID = 2,
1979 /** Whether the lastplayed time should be copied. */
1980 CPSI_FLAG_COPY_LASTPLAYED = 4,
1981 /** Whether the numplayed count should be copied. */
1982 CPSI_FLAG_COPY_NUMPLAYED = 8,
1983 /** Whether the attributes should be copied. */
1984 CPSI_FLAG_COPY_ATTRIBUTES = 16,
1985 /** Activates verbose mode. */
1986 CPSI_FLAG_VERBOSE = 32,
1987 };
1988
1989 struct cpsi_action_data {
1990 unsigned flags;
1991 unsigned num_copied;
1992 struct para_buffer pb;
1993 struct afs_info source_afsi;
1994 };
1995
1996 static int copy_selector_info(__a_unused struct osl_table *table,
1997 struct osl_row *row, const char *name, void *data)
1998 {
1999 struct cpsi_action_data *cad = data;
2000 struct osl_object target_afsi_obj;
2001 int ret;
2002 struct afs_info target_afsi;
2003
2004 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2005 if (ret < 0)
2006 return ret;
2007 load_afsi(&target_afsi, &target_afsi_obj);
2008 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2009 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2010 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2011 target_afsi.image_id = cad->source_afsi.image_id;
2012 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2013 target_afsi.last_played = cad->source_afsi.last_played;
2014 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2015 target_afsi.num_played = cad->source_afsi.num_played;
2016 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2017 target_afsi.attributes = cad->source_afsi.attributes;
2018 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2019 cad->num_copied++;
2020 if (cad->flags & CPSI_FLAG_VERBOSE)
2021 para_printf(&cad->pb, "copied afsi to %s\n", name);
2022 return 1;
2023 }
2024
2025 static int com_cpsi_callback(const struct osl_object *query,
2026 struct osl_object *result)
2027 {
2028 struct cpsi_action_data cad = {.flags = *(unsigned *)query->data};
2029 int ret;
2030 char *source_path = (char *)query->data + sizeof(cad.flags);
2031
2032 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2033 if (ret < 0)
2034 goto out;
2035 struct pattern_match_data pmd = {
2036 .table = audio_file_table,
2037 .loop_col_num = AFTCOL_HASH,
2038 .match_col_num = AFTCOL_PATH,
2039 .patterns = {.data = source_path + strlen(source_path) + 1,
2040 .size = query->size - sizeof(cad.flags)
2041 - strlen(source_path) - 1},
2042 .data = &cad,
2043 .action = copy_selector_info
2044 };
2045 ret = for_each_matching_row(&pmd);
2046 out:
2047 if (ret < 0)
2048 para_printf(&cad.pb, "%s\n", PARA_STRERROR(-ret));
2049 if (cad.flags & CPSI_FLAG_VERBOSE) {
2050 if (cad.num_copied)
2051 para_printf(&cad.pb, "copied requested afsi from %s "
2052 "to %u files\n",
2053 source_path, cad.num_copied);
2054 else
2055 para_printf(&cad.pb, "nothing copied\n");
2056 }
2057 if (cad.pb.buf) {
2058 result->data = cad.pb.buf;
2059 result->size = cad.pb.size;
2060 return 1;
2061 }
2062 return ret < 0? ret : 0;
2063 }
2064
2065 int com_cpsi(int fd, int argc, char * const * const argv)
2066 {
2067 unsigned flags = 0;
2068 int i, ret;
2069 struct osl_object options = {.data = &flags, .size = sizeof(flags)},
2070 result;
2071
2072 for (i = 1; i < argc; i++) {
2073 const char *arg = argv[i];
2074 if (arg[0] != '-')
2075 break;
2076 if (!strcmp(arg, "--")) {
2077 i++;
2078 break;
2079 }
2080 if (!strcmp(arg, "-y")) {
2081 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2082 continue;
2083 }
2084 if (!strcmp(arg, "-i")) {
2085 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2086 continue;
2087 }
2088 if (!strcmp(arg, "-l")) {
2089 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2090 continue;
2091 }
2092 if (!strcmp(arg, "-n")) {
2093 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2094 continue;
2095 }
2096 if (!strcmp(arg, "-a")) {
2097 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2098 continue;
2099 }
2100 if (!strcmp(arg, "-v")) {
2101 flags |= CPSI_FLAG_VERBOSE;
2102 continue;
2103 }
2104 break;
2105 }
2106 if (i + 1 >= argc) /* need at least souce file and pattern */
2107 return -E_AFT_SYNTAX;
2108 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2109 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2110 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2111 com_cpsi_callback, &result);
2112 if (ret > 0) {
2113 send_buffer(fd, (char *)result.data);
2114 free(result.data);
2115 } else
2116 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2117 return ret;
2118 }
2119
2120 /* TODO: optionally fix problems by removing offending rows */
2121 static int check_audio_file(struct osl_row *row, void *data)
2122 {
2123 char *path;
2124 struct para_buffer *pb = data;
2125 struct stat statbuf;
2126 int ret = get_audio_file_path_of_row(row, &path);
2127 struct afs_info afsi;
2128 char *blob_name;
2129
2130 if (ret < 0) {
2131 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
2132 return 1;
2133 }
2134 if (stat(path, &statbuf) < 0)
2135 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2136 else {
2137 if (!S_ISREG(statbuf.st_mode))
2138 para_printf(pb, "%s: not a regular file\n", path);
2139 }
2140 ret = get_afsi_of_row(row, &afsi);
2141 if (ret < 0) {
2142 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
2143 return 1;
2144 }
2145 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2146 if (ret < 0)
2147 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2148 PARA_STRERROR(-ret));
2149 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2150 if (ret < 0)
2151 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2152 PARA_STRERROR(-ret));
2153 return 1;
2154 }
2155
2156 /**
2157 * Check the audio file table for inconsistencies.
2158 *
2159 * \param query Unused.
2160 * \param result Contains message string upon return.
2161 *
2162 * This function always succeeds.
2163 *
2164 * \sa com_check().
2165 */
2166 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
2167 {
2168 struct para_buffer pb = {.buf = NULL};
2169
2170 para_printf(&pb, "checking audio file table...\n");
2171 audio_file_loop(&pb, check_audio_file);
2172 result->data = pb.buf;
2173 result->size = pb.size;
2174 return 1;
2175
2176 }
2177
2178 /**
2179 * Close the audio file table.
2180 *
2181 * \param flags Ususal flags that are passed to osl_close_table().
2182 *
2183 * \sa osl_close_table().
2184 */
2185 void aft_shutdown(enum osl_close_flags flags)
2186 {
2187 osl_close_table(audio_file_table, flags);
2188 audio_file_table = NULL;
2189 }
2190
2191 /**
2192 * Open the audio file table.
2193 *
2194 * \param ti Gets initialized by this function.
2195 * \param db The database directory.
2196 *
2197 * \return Positive on success, negative on errors.
2198 *
2199 * \sa osl_open_table().
2200 */
2201 int aft_init(struct table_info *ti, const char *db)
2202 {
2203 int ret;
2204
2205 audio_file_table_desc.dir = db;
2206 ti->desc = &audio_file_table_desc;
2207 ret = osl_open_table(ti->desc, &audio_file_table);
2208 if (ret >= 0) {
2209 unsigned num;
2210 osl_get_num_rows(audio_file_table, &num);
2211 PARA_INFO_LOG("audio file table contains %d files\n", num);
2212 return ret;
2213 }
2214 PARA_INFO_LOG("failed to open audio file table\n");
2215 audio_file_table = NULL;
2216 if (ret >= 0 || is_errno(-ret, ENOENT))
2217 return 1;
2218 return ret;
2219 }