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