aft.c: Add GPL header.
[paraslash.git] / aft.c
1 /*
2 * Copyright (C) 2007 Andre Noll <maan@systemlinux.org>
3 *
4 * Licensed under the GPL v2. For licencing details see COPYING.
5 */
6
7 /** \file aft.c Audio file table functions. */
8
9 #include "para.h"
10 #include "error.h"
11 #include <sys/mman.h>
12 #include <fnmatch.h>
13 #include "afh.h"
14 #include "afs.h"
15 #include "net.h"
16 #include "string.h"
17 #include "vss.h"
18
19 #define AFS_AUDIO_FILE_DIR "/home/mp3"
20
21 static struct osl_table *audio_file_table;
22
23 /**
24 * Describes the layout of the mmapped-afs info struct.
25 *
26 * \sa struct afs_info.
27 */
28 enum afsi_offsets {
29 /** Where .last_played is stored. */
30 AFSI_LAST_PLAYED_OFFSET = 0,
31 /** Storage position of the attributes bitmap. */
32 AFSI_ATTRIBUTES_OFFSET = 8,
33 /** Storage position of the .num_played field. */
34 AFSI_NUM_PLAYED_OFFSET = 16,
35 /** Storage position of the .image_id field. */
36 AFSI_IMAGE_ID_OFFSET = 20,
37 /** Storage position of the .lyrics_id field. */
38 AFSI_LYRICS_ID_OFFSET = 24,
39 /** Storage position of the .audio_format_id field. */
40 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
41 /** On-disk storage space needed. */
42 AFSI_SIZE = 29
43 };
44
45 /**
46 * Convert a struct afs_info to an osl object.
47 *
48 * \param afsi Pointer to the audio file info to be converted.
49 * \param obj Result pointer.
50 *
51 * \sa load_afsi().
52 */
53 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
54 {
55 char *buf = obj->data;
56
57 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
58 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
59 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
60 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
61 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
62 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
63 afsi->audio_format_id);
64 }
65
66 /**
67 * Get the audio file selector info struct stored in an osl object.
68 *
69 * \param afsi Points to the audio_file info structure to be filled in.
70 * \param obj The osl object holding the data.
71 *
72 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
73 *
74 * \sa save_afsi().
75 */
76 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
77 {
78 char *buf = obj->data;
79 if (obj->size < AFSI_SIZE)
80 return -E_BAD_AFSI;
81 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
82 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
83 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
84 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
85 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
86 afsi->audio_format_id = read_u8(buf +
87 AFSI_AUDIO_FORMAT_ID_OFFSET);
88 return 1;
89 }
90
91 /** The columns of the audio file table. */
92 enum audio_file_table_columns {
93 /** The hash on the content of the audio file. */
94 AFTCOL_HASH,
95 /** The full path in the filesystem. */
96 AFTCOL_PATH,
97 /** The audio file selector info. */
98 AFTCOL_AFSI,
99 /** The audio format handler info. */
100 AFTCOL_AFHI,
101 /** The chunk table info and the chunk table of the audio file. */
102 AFTCOL_CHUNKS,
103 /** The number of columns of this table. */
104 NUM_AFT_COLUMNS
105 };
106
107 static struct osl_column_description aft_cols[] = {
108 [AFTCOL_HASH] = {
109 .storage_type = OSL_MAPPED_STORAGE,
110 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
111 .name = "hash",
112 .compare_function = osl_hash_compare,
113 .data_size = HASH_SIZE
114 },
115 [AFTCOL_PATH] = {
116 .storage_type = OSL_MAPPED_STORAGE,
117 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
118 .name = "path",
119 .compare_function = string_compare,
120 },
121 [AFTCOL_AFSI] = {
122 .storage_type = OSL_MAPPED_STORAGE,
123 .storage_flags = OSL_FIXED_SIZE,
124 .name = "afs_info",
125 .data_size = AFSI_SIZE
126 },
127 [AFTCOL_AFHI] = {
128 .storage_type = OSL_MAPPED_STORAGE,
129 .name = "afh_info",
130 },
131 [AFTCOL_CHUNKS] = {
132 .storage_type = OSL_DISK_STORAGE,
133 .name = "chunks",
134 }
135 };
136
137 static struct osl_table_description audio_file_table_desc = {
138 .name = "audio_files",
139 .num_columns = NUM_AFT_COLUMNS,
140 .flags = OSL_LARGE_TABLE,
141 .column_descriptions = aft_cols
142 };
143
144 static char *prefix_path(const char *prefix, int len, const char *path)
145 {
146 int speclen;
147 char *n;
148
149 for (;;) {
150 char c;
151 if (*path != '.')
152 break;
153 c = path[1];
154 /* "." */
155 if (!c) {
156 path++;
157 break;
158 }
159 /* "./" */
160 if (c == '/') {
161 path += 2;
162 continue;
163 }
164 if (c != '.')
165 break;
166 c = path[2];
167 if (!c)
168 path += 2;
169 else if (c == '/')
170 path += 3;
171 else
172 break;
173 /* ".." and "../" */
174 /* Remove last component of the prefix */
175 do {
176 if (!len)
177 return NULL;
178 len--;
179 } while (len && prefix[len-1] != '/');
180 continue;
181 }
182 if (!len)
183 return para_strdup(path);
184 speclen = strlen(path);
185 n = para_malloc(speclen + len + 1);
186 memcpy(n, prefix, len);
187 memcpy(n + len, path, speclen+1);
188 return n;
189 }
190
191 /*
192 * We fundamentally don't like some paths: we don't want
193 * dot or dot-dot anywhere.
194 *
195 * Also, we don't want double slashes or slashes at the
196 * end that can make pathnames ambiguous.
197 */
198 static int verify_dotfile(const char *rest)
199 {
200 /*
201 * The first character was '.', but that has already been discarded, we
202 * now test the rest.
203 */
204 switch (*rest) {
205 /* "." is not allowed */
206 case '\0': case '/':
207 return 1;
208
209 case '.':
210 if (rest[1] == '\0' || rest[1] == '/')
211 return -1;
212 }
213 return 1;
214 }
215
216 static int verify_path(const char *orig_path, char **resolved_path)
217 {
218 char c;
219 const char prefix[] = AFS_AUDIO_FILE_DIR "/";
220 const char *path = orig_path;
221 const size_t prefix_len = strlen(prefix);
222
223 c = *path++;
224 if (!c)
225 goto bad_path;
226 while (c) {
227 if (c == '/') {
228 c = *path++;
229 switch (c) {
230 default:
231 continue;
232 case '/': /* double slash */
233 goto bad_path;
234 case '.':
235 if (verify_dotfile(path) < 0)
236 goto bad_path;
237 }
238 }
239 c = *path++;
240 }
241 if (*orig_path != '/')
242 *resolved_path = prefix_path(prefix, prefix_len, orig_path);
243 else
244 *resolved_path = para_strdup(orig_path);
245 return 1;
246 bad_path:
247 return -E_BAD_PATH;
248 }
249
250 enum afhi_offsets {
251 AFHI_SECONDS_TOTAL_OFFSET = 0,
252 AFHI_BITRATE_OFFSET = 4,
253 AFHI_FREQUENCY_OFFSET = 8,
254 AFHI_CHANNELS_OFFSET = 12,
255 AFHI_INFO_STRING_OFFSET = 13,
256 MIN_AFHI_SIZE = 14
257 };
258
259 static unsigned sizeof_afhi_buf(const struct audio_format_info *afhi)
260 {
261 if (!afhi)
262 return 0;
263 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
264 }
265
266 static void save_afhi(struct audio_format_info *afhi, char *buf)
267 {
268 if (!afhi)
269 return;
270 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
271 afhi->seconds_total);
272 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
273 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
274 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
275 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
276 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
277 }
278
279 static void load_afhi(const char *buf, struct audio_format_info *afhi)
280 {
281 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
282 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
283 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
284 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
285 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
286 }
287
288 static unsigned sizeof_chunk_info_buf(struct audio_format_info *afhi)
289 {
290 if (!afhi)
291 return 0;
292 return 4 * afhi->chunks_total + 20;
293
294 }
295
296 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
297 enum chunk_info_offsets{
298 /** The total number of chunks (4 bytes). */
299 CHUNKS_TOTAL_OFFSET = 0,
300 /** The length of the audio file header (4 bytes). */
301 HEADER_LEN_OFFSET = 4,
302 /** The start of the audio file header (4 bytes). */
303 HEADER_OFFSET_OFFSET = 8,
304 /** The seconds part of the chunk time (4 bytes). */
305 CHUNK_TV_TV_SEC_OFFSET = 12,
306 /** The microseconds part of the chunk time (4 bytes). */
307 CHUNK_TV_TV_USEC = 16,
308 /** Chunk table entries start here. */
309 CHUNK_TABLE_OFFSET = 20,
310 };
311
312 /* TODO: audio format handlers could just produce this */
313 static void save_chunk_info(struct audio_format_info *afhi, char *buf)
314 {
315 int i;
316
317 if (!afhi)
318 return;
319 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
320 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
321 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
322 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
323 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
324 for (i = 0; i < afhi->chunks_total; i++)
325 write_u32(buf + CHUNK_TABLE_OFFSET + 4 * i, afhi->chunk_table[i]);
326 }
327
328 static int load_chunk_info(struct osl_object *obj, struct audio_format_info *afhi)
329 {
330 char *buf = obj->data;
331 int i;
332
333 if (obj->size < CHUNK_TABLE_OFFSET)
334 return -E_BAD_DATA_SIZE;
335
336 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
337 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
338 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
339 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
340 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
341
342 if (afhi->chunks_total * 4 + CHUNK_TABLE_OFFSET > obj->size)
343 return -E_BAD_DATA_SIZE;
344 afhi->chunk_table = para_malloc(afhi->chunks_total * sizeof(size_t));
345 for (i = 0; i < afhi->chunks_total; i++)
346 afhi->chunk_table[i] = read_u32(buf + CHUNK_TABLE_OFFSET + 4 * i);
347 return 1;
348 }
349
350 /**
351 * Get the row of the audio file table corresponding to the given path.
352 *
353 * \param path The full path of the audio file.
354 * \param row Result pointer.
355 *
356 * \return The return value of the underlying call to osl_get_row().
357 */
358 int aft_get_row_of_path(char *path, struct osl_row **row)
359 {
360 struct osl_object obj = {.data = path, .size = strlen(path) + 1};
361
362 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
363 }
364
365 /**
366 * Get the row of the audio file table corresponding to the given hash value.
367 *
368 * \param hash The hash value of the desired audio file.
369 * \param row resul pointer.
370 *
371 * \return The return value of the underlying call to osl_get_row().
372 */
373 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
374 {
375 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
376 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
377 }
378
379 /**
380 * Get the osl object holding the audio file selector info of a row.
381 *
382 * \param row Pointer to a row in the audio file table.
383 * \param obj Result pointer.
384 *
385 * \return The return value of the underlying call to osl_get_object().
386 */
387 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
388 {
389 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
390 }
391
392 /**
393 * Get the osl object holding the audio file selector info, given a path.
394 *
395 *
396 * \param path The full path of the audio file.
397 * \param obj Result pointer.
398 *
399 * \return Positive on success, negative on errors.
400 */
401 int get_afsi_object_of_path(char *path, struct osl_object *obj)
402 {
403 struct osl_row *row;
404 int ret = aft_get_row_of_path(path, &row);
405 if (ret < 0)
406 return ret;
407 return get_afsi_object_of_row(row, obj);
408 }
409
410 /**
411 * Get the audio file selector info, given a row of the audio file table.
412 *
413 * \param row Pointer to a row in the audio file table.
414 * \param afsi Result pointer.
415 *
416 * \return Positive on success, negative on errors.
417 */
418 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
419 {
420 struct osl_object obj;
421 int ret = get_afsi_object_of_row(row, &obj);
422 if (ret < 0)
423 return ret;
424 return load_afsi(afsi, &obj);
425 }
426
427 /**
428 * Get the path of an audio file, given a row of the audio file table.
429 *
430 * \param row Pointer to a row in the audio file table.
431 * \param path Result pointer.
432 *
433 * \return Positive on success, negative on errors.
434 */
435 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
436 {
437 struct osl_object path_obj;
438 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
439 &path_obj);
440 if (ret < 0)
441 return ret;
442 *path = path_obj.data;
443 return 1;
444 }
445
446 /**
447 * Get the object containing the hash value of an audio file, given a row.
448 *
449 * \param row Pointer to a row of the audio file table.
450 * \param obj Result pointer.
451 *
452 * \return The return value of the underlying call to osl_get_object().
453 *
454 * \sa get_hash_of_row().
455 */
456 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
457 {
458 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
459 }
460
461 /**
462 * Get the hash value of an audio file, given a row of the audio file table.
463 *
464 * \param row Pointer to a row of the audio file table.
465 * \param hash Result pointer.
466 *
467 * \a hash points to mapped data and must not be freed by the caller.
468 *
469 * \return The return value of the underlying call to
470 * get_hash_object_of_aft_row().
471 */
472 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
473 {
474 struct osl_object obj;
475 int ret = get_hash_object_of_aft_row(row, &obj);
476
477 if (ret < 0)
478 return ret;
479 *hash = obj.data;
480 return 1;
481 }
482
483 /**
484 * Get the audio format handler info, given a row of the audio file table.
485 *
486 * \param row Pointer to a row of the audio file table.
487 * \param afhi Result pointer.
488 *
489 * \return The return value of the underlying call to osl_get_object().
490 *
491 * \sa get_chunk_table_of_row().
492 */
493 static int get_afhi_of_row(const struct osl_row *row, struct audio_format_info *afhi)
494 {
495 struct osl_object obj;
496 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
497 &obj);
498 if (ret < 0)
499 return ret;
500 load_afhi(obj.data, afhi);
501 return 1;
502 }
503
504 /**
505 * Get the chunk table of an audio file, given a row of the audio file table.
506 *
507 * \param row Pointer to a row of the audio file table.
508 * \param afhi Result pointer.
509 *
510 * \return The return value of the underlying call to osl_open_disk_object().
511 *
512 * \sa get_afhi_of_row().
513 */
514 static int get_chunk_table_of_row(const struct osl_row *row, struct audio_format_info *afhi)
515 {
516 struct osl_object obj;
517 int ret = osl_open_disk_object(audio_file_table, row, AFTCOL_CHUNKS,
518 &obj);
519 if (ret < 0)
520 return ret;
521 ret = load_chunk_info(&obj, afhi);
522 osl_close_disk_object(&obj);
523 return ret;
524 }
525
526 /**
527 * Mmap the given audio file and update statistics.
528 *
529 * \param aft_row Determines the audio file to be opened and updated.
530 * \param afd Result pointer.
531 *
532 * On success, the numplayed field of the audio file selector info is increased
533 * and the lastplayed time is set to the current time. Finally, the score of
534 * the audio file is updated.
535 *
536 * \return Positive on success, negative on errors.
537 */
538 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
539 {
540 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
541 struct osl_object afsi_obj;
542 struct afs_info new_afsi;
543 int ret = get_hash_of_row(aft_row, &aft_hash);
544
545 if (ret < 0)
546 return ret;
547 ret = get_audio_file_path_of_row(aft_row, &afd->path);
548 if (ret < 0)
549 return ret;
550 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
551 if (ret < 0)
552 return ret;
553 ret = load_afsi(&afd->afsi, &afsi_obj);
554 if (ret < 0)
555 return ret;
556 ret = get_afhi_of_row(aft_row, &afd->afhi);
557 if (ret < 0)
558 return ret;
559 ret = get_chunk_table_of_row(aft_row, &afd->afhi);
560 if (ret < 0)
561 return ret;
562 ret = mmap_full_file(afd->path, O_RDONLY, &afd->map);
563 if (ret < 0)
564 goto err;
565 hash_function(afd->map.data, afd->map.size, file_hash);
566 ret = -E_HASH_MISMATCH;
567 if (hash_compare(file_hash, aft_hash))
568 goto err;
569 new_afsi = afd->afsi;
570 new_afsi.num_played++;
571 new_afsi.last_played = time(NULL);
572 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
573 if (afd->current_play_mode == PLAY_MODE_PLAYLIST)
574 ret = playlist_update_audio_file(aft_row);
575 else
576 ret = mood_update_audio_file(aft_row, &afd->afsi);
577 return ret;
578 err:
579 free(afd->afhi.chunk_table);
580 return ret;
581 }
582
583 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
584 time_t current_time)
585 {
586 struct tm t;
587
588 if (!localtime_r((time_t *)seconds, &t))
589 return -E_LOCALTIME;
590 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
591 if (!strftime(buf, size, "%b %e %k:%M", &t))
592 return -E_STRFTIME;
593 return 1;
594 }
595 if (!strftime(buf, size, "%b %e %Y", &t))
596 return -E_STRFTIME;
597 return 1;
598 }
599
600 #define GET_NUM_DIGITS(x, num) { \
601 typeof((x)) _tmp = PARA_ABS(x); \
602 *num = 1; \
603 if ((x)) \
604 while ((_tmp) > 9) { \
605 (_tmp) /= 10; \
606 (*num)++; \
607 } \
608 }
609
610 static short unsigned get_duration_width(int seconds)
611 {
612 short unsigned width;
613 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
614
615 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
616 return 4 + (mins > 9);
617 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
618 GET_NUM_DIGITS(hours, &width);
619 return width + 6;
620 }
621
622 static void get_duration_buf(int seconds, char *buf, short unsigned max_width)
623 {
624 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
625
626 if (!hours) /* m:ss or mm:ss */
627 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
628 else /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
629 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
630 seconds % 60);
631 }
632
633 static char *make_attribute_line(const char *att_bitmap, struct afs_info *afsi)
634 {
635 char *att_text, *att_line;
636
637 get_attribute_text(&afsi->attributes, " ", &att_text);
638 if (!att_text)
639 return para_strdup(att_bitmap);
640 att_line = make_message("%s (%s)", att_bitmap, att_text);
641 free(att_text);
642 return att_line;
643 }
644
645 static char *make_lyrics_line(struct afs_info *afsi)
646 {
647 char *lyrics_name;
648 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
649 if (!lyrics_name)
650 return make_message("%u", afsi->lyrics_id);
651 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
652 }
653
654 static char *make_image_line(struct afs_info *afsi)
655 {
656 char *image_name;
657 img_get_name_by_id(afsi->image_id, &image_name);
658 if (!image_name)
659 return make_message("%u", afsi->image_id);
660 return make_message("%u (%s)", afsi->image_id, image_name);
661 }
662
663 static int print_list_item(struct ls_data *d, struct ls_options *opts,
664 struct para_buffer *b, time_t current_time)
665 {
666 int ret;
667 char att_buf[65];
668 char last_played_time[30];
669 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
670 char score_buf[30] = "";
671 struct afs_info *afsi = &d->afsi;
672 struct audio_format_info *afhi = &d->afhi;
673 struct ls_widths *w = &opts->widths;
674 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
675
676 if (opts->mode == LS_MODE_SHORT) {
677 para_printf(b, "%s\n", d->path);
678 return 1;
679 }
680 get_attribute_bitmap(&afsi->attributes, att_buf);
681 ret = get_local_time(&afsi->last_played, last_played_time,
682 sizeof(last_played_time), current_time);
683 if (ret < 0)
684 return ret;
685 get_duration_buf(afhi->seconds_total, duration_buf, w->duration_width);
686 if (have_score) {
687 if (opts->mode == LS_MODE_LONG)
688 sprintf(score_buf, "%*li ", w->score_width, d->score);
689 else
690 sprintf(score_buf, "%li ", d->score);
691 }
692
693 PARA_NOTICE_LOG("id: %s, %d\n", d->path, afsi->audio_format_id);
694 if (opts->mode == LS_MODE_LONG) {
695 para_printf(b,
696 "%s" /* score */
697 "%s " /* attributes */
698 "%*d " /* image_id */
699 "%*d " /* lyrics_id */
700 "%*d " /* bitrate */
701 "%s " /* audio format */
702 "%*d " /* frequency */
703 "%d " /* channels */
704 "%s " /* duration */
705 "%*d " /* num_played */
706 "%s " /* last_played */
707 "%s\n", /* path */
708 score_buf,
709 att_buf,
710 w->image_id_width, afsi->image_id,
711 w->lyrics_id_width, afsi->lyrics_id,
712 w->bitrate_width, afhi->bitrate,
713 audio_format_name(afsi->audio_format_id),
714 w->frequency_width, afhi->frequency,
715 afhi->channels,
716 duration_buf,
717 w->num_played_width, afsi->num_played,
718 last_played_time,
719 d->path
720 );
721 return 1;
722 }
723 if (opts->mode == LS_MODE_VERBOSE) {
724 char asc_hash[2 * HASH_SIZE + 1];
725 char *att_line, *lyrics_line, *image_line;
726
727 hash_to_asc(d->hash, asc_hash);
728 att_line = make_attribute_line(att_buf, afsi);
729 lyrics_line = make_lyrics_line(afsi);
730 image_line = make_image_line(afsi);
731 para_printf(b,
732 "%s: %s\n" /* path */
733 "%s%s%s" /* score */
734 "attributes: %s\n"
735 "hash: %s\n"
736 "image_id: %s\n"
737 "lyrics_id: %s\n"
738 "bitrate: %dkbit/s\n"
739 "format: %s\n"
740 "frequency: %dHz\n"
741 "channels: %d\n"
742 "duration: %s\n"
743 "num_played: %d\n"
744 "last_played: %s\n\n",
745 (opts->flags & LS_FLAG_FULL_PATH)?
746 "path" : "file", d->path,
747 have_score? "score: " : "", score_buf,
748 have_score? "\n" : "",
749 att_line,
750 asc_hash,
751 image_line,
752 lyrics_line,
753 afhi->bitrate,
754 audio_format_name(afsi->audio_format_id),
755 afhi->frequency,
756 afhi->channels,
757 duration_buf,
758 afsi->num_played,
759 last_played_time
760 );
761 free(att_line);
762 free(lyrics_line);
763 free(image_line);
764 return 1;
765 }
766 return 1;
767 }
768
769 static int ls_audio_format_compare(const void *a, const void *b)
770 {
771 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
772 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
773 }
774
775 static int ls_duration_compare(const void *a, const void *b)
776 {
777 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
778 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
779 }
780
781 static int ls_bitrate_compare(const void *a, const void *b)
782 {
783 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
784 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
785 }
786
787 static int ls_lyrics_id_compare(const void *a, const void *b)
788 {
789 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
790 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
791 }
792
793 static int ls_image_id_compare(const void *a, const void *b)
794 {
795 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
796 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
797 }
798
799 static int ls_channels_compare(const void *a, const void *b)
800 {
801 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
802 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
803 }
804
805 static int ls_frequency_compare(const void *a, const void *b)
806 {
807 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
808 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
809 }
810
811 static int ls_num_played_compare(const void *a, const void *b)
812 {
813 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
814 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
815 }
816
817 static int ls_last_played_compare(const void *a, const void *b)
818 {
819 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
820 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
821 }
822
823 static int ls_score_compare(const void *a, const void *b)
824 {
825 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
826 return NUM_COMPARE(d1->score, d2->score);
827 }
828
829 static int ls_path_compare(const void *a, const void *b)
830 {
831 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
832 return strcmp(d1->path, d2->path);
833 }
834
835 static int sort_matching_paths(struct ls_options *options)
836 {
837 size_t nmemb = options->num_matching_paths;
838 size_t size = sizeof(*options->data_ptr);
839 int (*compar)(const void *, const void *);
840 int i;
841
842 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
843 for (i = 0; i < nmemb; i++)
844 options->data_ptr[i] = options->data + i;
845
846 /* In these cases the array is already sorted */
847 if (options->sorting == LS_SORT_BY_PATH
848 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
849 && (options->flags & LS_FLAG_FULL_PATH))
850 return 1;
851 if (options->sorting == LS_SORT_BY_SCORE &&
852 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
853 return 1;
854
855 switch (options->sorting) {
856 case LS_SORT_BY_PATH:
857 compar = ls_path_compare; break;
858 case LS_SORT_BY_SCORE:
859 compar = ls_score_compare; break;
860 case LS_SORT_BY_LAST_PLAYED:
861 compar = ls_last_played_compare; break;
862 case LS_SORT_BY_NUM_PLAYED:
863 compar = ls_num_played_compare; break;
864 case LS_SORT_BY_FREQUENCY:
865 compar = ls_frequency_compare; break;
866 case LS_SORT_BY_CHANNELS:
867 compar = ls_channels_compare; break;
868 case LS_SORT_BY_IMAGE_ID:
869 compar = ls_image_id_compare; break;
870 case LS_SORT_BY_LYRICS_ID:
871 compar = ls_lyrics_id_compare; break;
872 case LS_SORT_BY_BITRATE:
873 compar = ls_bitrate_compare; break;
874 case LS_SORT_BY_DURATION:
875 compar = ls_duration_compare; break;
876 case LS_SORT_BY_AUDIO_FORMAT:
877 compar = ls_audio_format_compare; break;
878 default:
879 return -E_BAD_SORT;
880 }
881 qsort(options->data_ptr, nmemb, size, compar);
882 return 1;
883 }
884
885 /* row is either an aft_row or a row of the score table */
886 /* TODO: Only compute widths if we need them */
887 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
888 {
889 int ret, i;
890 struct ls_options *options = ls_opts;
891 struct ls_data *d;
892 struct ls_widths *w;
893 unsigned short num_digits;
894 unsigned tmp;
895 struct osl_row *aft_row;
896 long score;
897 char *path;
898
899 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
900 ret = get_score_and_aft_row(row, &score, &aft_row);
901 if (ret < 0)
902 return ret;
903 } else
904 aft_row = row;
905 ret = get_audio_file_path_of_row(aft_row, &path);
906 if (ret < 0)
907 return ret;
908 if (!(options->flags & LS_FLAG_FULL_PATH)) {
909 char *p = strrchr(path, '/');
910 if (p)
911 path = p + 1;
912 }
913 if (options->num_patterns) {
914 for (i = 0; i < options->num_patterns; i++) {
915 ret = fnmatch(options->patterns[i], path, FNM_PATHNAME);
916 if (!ret)
917 break;
918 if (ret == FNM_NOMATCH)
919 continue;
920 return -E_FNMATCH;
921 }
922 if (i >= options->num_patterns) /* no match */
923 return 1;
924 }
925 tmp = options->num_matching_paths++;
926 if (options->num_matching_paths > options->array_size) {
927 options->array_size++;
928 options->array_size *= 2;
929 options->data = para_realloc(options->data, options->array_size
930 * sizeof(*options->data));
931 }
932 d = options->data + tmp;
933 ret = get_afsi_of_row(aft_row, &d->afsi);
934 if (ret < 0)
935 return ret;
936 ret = get_afhi_of_row(aft_row, &d->afhi);
937 if (ret < 0)
938 return ret;
939 d->path = path;
940 ret = get_hash_of_row(aft_row, &d->hash);
941 if (ret < 0)
942 return ret;
943 w = &options->widths;
944 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
945 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
946 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
947 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
948 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
949 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
950 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
951 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
952 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
953 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
954 /* get the number of chars to print this amount of time */
955 tmp = get_duration_width(d->afhi.seconds_total);
956 w->duration_width = PARA_MAX(w->duration_width, tmp);
957 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
958 GET_NUM_DIGITS(score, &num_digits);
959 num_digits++; /* add one for the sign (space or "-") */
960 w->score_width = PARA_MAX(w->score_width, num_digits);
961 d->score = score;
962 }
963 return 1;
964 }
965
966 static int com_ls_callback(const struct osl_object *query,
967 struct osl_object *ls_output)
968 {
969 struct ls_options *opts = query->data;
970 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
971 struct para_buffer b = {.buf = NULL, .size = 0};
972 int i = 0, ret;
973 time_t current_time;
974
975
976 PARA_NOTICE_LOG("%d patterns\n", opts->num_patterns);
977 if (opts->num_patterns) {
978 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
979 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
980 opts->patterns[i] = p;
981 p += strlen(p) + 1;
982 PARA_NOTICE_LOG("pattern %d: %s\n", i, opts->patterns[i]);
983 }
984 } else
985 opts->patterns = NULL;
986 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
987 ret = admissible_file_loop(opts, prepare_ls_row);
988 else
989 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
990 prepare_ls_row);
991 if (ret < 0)
992 goto out;
993 ret = opts->num_patterns? -E_NO_MATCH : 0;
994 if (!opts->num_matching_paths) {
995 PARA_NOTICE_LOG("no match, ret: %d\n", ret);
996 goto out;
997 }
998 ret = sort_matching_paths(opts);
999 if (ret < 0)
1000 goto out;
1001 time(&current_time);
1002 if (opts->flags & LS_FLAG_REVERSE)
1003 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1004 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1005 if (ret < 0)
1006 break;
1007 }
1008 else
1009 for (i = 0; i < opts->num_matching_paths; i++) {
1010 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1011 if (ret < 0)
1012 break;
1013 }
1014 ret = 1;
1015 out:
1016 ls_output->data = b.buf;
1017 PARA_NOTICE_LOG("ls_outoute.data: %p\n", ls_output->data);
1018 ls_output->size = b.size;
1019 free(opts->data);
1020 free(opts->data_ptr);
1021 free(opts->patterns);
1022 return ret;
1023 }
1024
1025 /*
1026 * TODO: flags -h (sort by hash) -lm (list in mbox format)
1027 *
1028 * long list: list hash, attributes as (xx--x-x-), file size, lastplayed
1029 * full list: list everything, including afsi, afhi, atts as clear text
1030 *
1031 * */
1032 int com_afs_ls(int fd, int argc, char * const * const argv)
1033 {
1034 int i, ret;
1035 unsigned flags = 0;
1036 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1037 enum ls_listing_mode mode = LS_MODE_SHORT;
1038 struct ls_options opts = {.patterns = NULL};
1039 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1040 ls_output;
1041
1042 for (i = 1; i < argc; i++) {
1043 const char *arg = argv[i];
1044 if (arg[0] != '-')
1045 break;
1046 if (!strcmp(arg, "--")) {
1047 i++;
1048 break;
1049 }
1050 if (!strncmp(arg, "-l", 2)) {
1051 if (!*(arg + 2)) {
1052 mode = LS_MODE_LONG;
1053 continue;
1054 }
1055 if (*(arg + 3))
1056 return -E_AFT_SYNTAX;
1057 switch(*(arg + 2)) {
1058 case 's':
1059 mode = LS_MODE_SHORT;
1060 continue;
1061 case 'l':
1062 mode = LS_MODE_LONG;
1063 continue;
1064 case 'v':
1065 mode = LS_MODE_VERBOSE;
1066 continue;
1067 case 'm':
1068 mode = LS_MODE_MBOX;
1069 continue;
1070 default:
1071 return -E_AFT_SYNTAX;
1072 }
1073 }
1074 if (!strcmp(arg, "-p")) {
1075 flags |= LS_FLAG_FULL_PATH;
1076 continue;
1077 }
1078 if (!strcmp(arg, "-a")) {
1079 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1080 continue;
1081 }
1082 if (!strcmp(arg, "-r")) {
1083 flags |= LS_FLAG_REVERSE;
1084 continue;
1085 }
1086 if (!strncmp(arg, "-s", 2)) {
1087 if (!*(arg + 2) || *(arg + 3))
1088 return -E_AFT_SYNTAX;
1089 switch(*(arg + 2)) {
1090 case 'p':
1091 sort = LS_SORT_BY_PATH;
1092 continue;
1093 case 's': /* -ss implies -a */
1094 sort = LS_SORT_BY_SCORE;
1095 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1096 continue;
1097 case 'l':
1098 sort = LS_SORT_BY_LAST_PLAYED;
1099 continue;
1100 case 'n':
1101 sort = LS_SORT_BY_NUM_PLAYED;
1102 continue;
1103 case 'f':
1104 sort = LS_SORT_BY_FREQUENCY;
1105 continue;
1106 case 'c':
1107 sort = LS_SORT_BY_CHANNELS;
1108 continue;
1109 case 'i':
1110 sort = LS_SORT_BY_IMAGE_ID;
1111 continue;
1112 case 'y':
1113 sort = LS_SORT_BY_LYRICS_ID;
1114 continue;
1115 case 'b':
1116 sort = LS_SORT_BY_BITRATE;
1117 continue;
1118 case 'd':
1119 sort = LS_SORT_BY_DURATION;
1120 continue;
1121 case 'a':
1122 sort = LS_SORT_BY_AUDIO_FORMAT;
1123 continue;
1124 default:
1125 return -E_AFT_SYNTAX;
1126 }
1127 }
1128 return -E_AFT_SYNTAX;
1129 }
1130 opts.flags = flags;
1131 opts.sorting = sort;
1132 opts.mode = mode;
1133 opts.num_patterns = argc - i;
1134 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1135 argv + i, com_ls_callback, &ls_output);
1136 if (ret > 0) {
1137 ret = send_buffer(fd, (char *)ls_output.data);
1138 free(ls_output.data);
1139 }
1140 return ret;
1141 }
1142
1143 /**
1144 * Call the given function for each file in the audio file table.
1145 *
1146 * \param private_data An arbitrary data pointer, passed to \a func.
1147 * \param func The custom function to be called.
1148 *
1149 * \return The return value of the underlying call to osl_rbtree_loop().
1150 */
1151 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1152 {
1153 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1154 func);
1155 }
1156
1157 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1158 {
1159 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1160 struct osl_row *row;
1161
1162 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1163 return row;
1164 }
1165
1166 enum aft_row_offsets {
1167 AFTROW_AFHI_OFFSET_POS = 0,
1168 AFTROW_CHUNKS_OFFSET_POS = 2,
1169 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1170 AFTROW_FLAGS_OFFSET = 5,
1171 AFTROW_HASH_OFFSET = 9,
1172 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1173 };
1174
1175 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1176 * In this case, afhi won't be stored in the buffer */
1177 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1178 struct audio_format_info *afhi, uint32_t flags,
1179 uint8_t audio_format_num, struct osl_object *obj)
1180 {
1181 size_t path_len = strlen(path) + 1;
1182 size_t afhi_size = sizeof_afhi_buf(afhi);
1183 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1184 + sizeof_chunk_info_buf(afhi);
1185 char *buf = para_malloc(size);
1186 uint16_t pos;
1187
1188 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1189 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1190
1191 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1192 strcpy(buf + AFTROW_PATH_OFFSET, path);
1193
1194 pos = AFTROW_PATH_OFFSET + path_len;
1195 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1196 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1197 pos + afhi_size - 1);
1198 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1199 save_afhi(afhi, buf + pos);
1200
1201 pos += afhi_size;
1202 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1203 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1204 save_chunk_info(afhi, buf + pos);
1205 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1206 obj->data = buf;
1207 obj->size = size;
1208 }
1209
1210 /*
1211 input:
1212 ~~~~~~
1213 HS: hash sister
1214 PB: path brother
1215 F: force flag given
1216
1217 output:
1218 ~~~~~~~
1219 AFHI: whether afhi and chunk table are computed and sent
1220 ACTION: table modifications to be performed
1221
1222 +---+----+-----+------+---------------------------------------------------+
1223 | HS | PB | F | AFHI | ACTION
1224 +---+----+-----+------+---------------------------------------------------+
1225 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1226 | | update path, keep afsi
1227 +---+----+-----+------+---------------------------------------------------+
1228 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1229 | | otherwise: remove PB, HS: update path, keep afhi,
1230 | | afsi.
1231 +---+----+-----+------+---------------------------------------------------+
1232 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1233 | | HS, keep afsi
1234 +---+----+-----+------+---------------------------------------------------+
1235 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1236 +---+----+-----+------+---------------------------------------------------+
1237 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1238 | | (force has no effect)
1239 +---+----+-----+------+---------------------------------------------------+
1240 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1241 +---+----+-----+------+---------------------------------------------------+
1242 | N | N | Y | Y | (new file) create new entry (force has no effect)
1243 +---+----+-----+------+---------------------------------------------------+
1244 | N | N | N | Y | (new file) create new entry
1245 +---+----+-----+------+---------------------------------------------------+
1246
1247 afhi <=> force or no HS
1248
1249 */
1250
1251
1252 #define ADD_FLAG_LAZY 1
1253 #define ADD_FLAG_FORCE 2
1254 #define ADD_FLAG_VERBOSE 4
1255
1256 /* TODO: change log messages so that they get written to the result buffer */
1257
1258 static int com_add_callback(const struct osl_object *query,
1259 __a_unused struct osl_object *result)
1260 {
1261 char *buf = query->data, *path;
1262 struct osl_row *pb, *aft_row;
1263 const struct osl_row *hs;
1264 struct osl_object objs[NUM_AFT_COLUMNS];
1265 HASH_TYPE *hash;
1266 char asc[2 * HASH_SIZE + 1];
1267 int ret;
1268 char afsi_buf[AFSI_SIZE];
1269 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1270 struct afs_info default_afsi = {.last_played = 0};
1271
1272 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1273 hash_to_asc(hash, asc);;
1274 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1275 objs[AFTCOL_HASH].size = HASH_SIZE;
1276
1277 path = buf + AFTROW_PATH_OFFSET;
1278 objs[AFTCOL_PATH].data = path;
1279 objs[AFTCOL_PATH].size = strlen(path) + 1;
1280
1281 PARA_INFO_LOG("request to add %s\n", path);
1282 hs = find_hash_sister(hash);
1283 ret = aft_get_row_of_path(path, &pb);
1284 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1285 return ret;
1286 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1287 if (flags & ADD_FLAG_VERBOSE)
1288 PARA_NOTICE_LOG("ignoring duplicate %p\n", path);
1289 return 1;
1290 }
1291 if (hs && hs != pb) {
1292 struct osl_object obj;
1293 if (pb) { /* hs trumps pb, remove pb */
1294 if (flags & ADD_FLAG_VERBOSE)
1295 PARA_NOTICE_LOG("removing path brother\n");
1296 ret = osl_del_row(audio_file_table, pb);
1297 if (ret < 0)
1298 return ret;
1299 pb = NULL;
1300 }
1301 /* file rename, update hs' path */
1302 ret = osl_get_object(audio_file_table, hs, AFTCOL_PATH, &obj);
1303 if (flags & ADD_FLAG_VERBOSE)
1304 PARA_NOTICE_LOG("rename %s -> %s\n", (char *)obj.data, path);
1305 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1306 &objs[AFTCOL_PATH]);
1307 if (ret < 0)
1308 return ret;
1309 if (!(flags & ADD_FLAG_FORCE))
1310 return ret;
1311 }
1312 /* no hs or force mode, child must have sent afhi */
1313 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1314 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1315
1316 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1317 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1318 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1319 return -E_NO_AFHI;
1320 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1321 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1322 if (pb && !hs) { /* update pb's hash */
1323 char old_asc[2 * HASH_SIZE + 1];
1324 HASH_TYPE *old_hash;
1325 ret = get_hash_of_row(pb, &old_hash);
1326 if (ret < 0)
1327 return ret;
1328 hash_to_asc(old_hash, old_asc);
1329 if (flags & ADD_FLAG_VERBOSE)
1330 PARA_NOTICE_LOG("file change: %s %s -> %s\n", path,
1331 old_asc, asc);
1332 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1333 &objs[AFTCOL_HASH]);
1334 if (ret < 0)
1335 return ret;
1336 }
1337 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1338 const struct osl_row *row = pb? pb : hs;
1339 /* update afhi and chunk_table */
1340 if (flags & ADD_FLAG_VERBOSE)
1341 PARA_DEBUG_LOG("updating audio format handler info (%zd bytes)\n",
1342 objs[AFTCOL_AFHI].size);
1343 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1344 &objs[AFTCOL_AFHI]);
1345 if (ret < 0)
1346 return ret;
1347 if (flags & ADD_FLAG_VERBOSE)
1348 PARA_DEBUG_LOG("updating chunk table\n");
1349 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1350 &objs[AFTCOL_CHUNKS]);
1351 if (ret < 0)
1352 return ret;
1353 return mood_update_audio_file(row, NULL);
1354 }
1355 /* new entry, use default afsi */
1356 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1357 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1358
1359 objs[AFTCOL_AFSI].data = &afsi_buf;
1360 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1361 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1362 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1363 if (ret < 0)
1364 return ret;
1365 return mood_update_audio_file(aft_row, NULL);
1366 }
1367
1368 struct private_add_data {
1369 int fd;
1370 uint32_t flags;
1371 };
1372
1373 static int path_brother_callback(const struct osl_object *query,
1374 struct osl_object *result)
1375 {
1376 char *path = query->data;
1377 struct osl_row *path_brother;
1378 int ret = aft_get_row_of_path(path, &path_brother);
1379 if (ret < 0)
1380 return ret;
1381 result->data = para_malloc(sizeof(path_brother));
1382 result->size = sizeof(path_brother);
1383 *(struct osl_row **)(result->data) = path_brother;
1384 return 1;
1385 }
1386
1387 static int hash_sister_callback(const struct osl_object *query,
1388 struct osl_object *result)
1389 {
1390 HASH_TYPE *hash = query->data;
1391 struct osl_row *hash_sister;
1392
1393 hash_sister = find_hash_sister(hash);
1394 if (!hash_sister)
1395 return -E_RB_KEY_NOT_FOUND;
1396 result->data = para_malloc(sizeof(hash_sister));
1397 result->size = sizeof(hash_sister);
1398 *(struct osl_row **)(result->data) = hash_sister;
1399 return 1;
1400 }
1401
1402 static int add_one_audio_file(const char *arg, const void *private_data)
1403 {
1404 int ret;
1405 uint8_t format_num = -1;
1406 const struct private_add_data *pad = private_data;
1407 struct audio_format_info afhi, *afhi_ptr = NULL;
1408 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1409 struct osl_object map, obj = {.data = NULL}, query, result;
1410 char *path = NULL;
1411 HASH_TYPE hash[HASH_SIZE];
1412
1413 afhi.header_offset = 0;
1414 afhi.header_len = 0;
1415 ret = verify_path(arg, &path);
1416 if (ret < 0)
1417 goto out_free;
1418 query.data = path;
1419 query.size = strlen(path) + 1;
1420 ret = send_callback_request(path_brother_callback, &query, &result);
1421 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1422 goto out_free;
1423 if (ret >= 0) {
1424 pb = *(struct osl_row **)result.data;
1425 free(result.data);
1426 }
1427 ret = 1;
1428 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1429 if (pad->flags & ADD_FLAG_VERBOSE)
1430 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1431 goto out_free;
1432 }
1433 /* We still want to add this file. Compute its hash. */
1434 ret = mmap_full_file(path, O_RDONLY, &map);
1435 if (ret < 0)
1436 goto out_free;
1437 hash_function(map.data, map.size, hash);
1438
1439 /* Check whether database contains file with the same hash. */
1440 query.data = hash;
1441 query.size = HASH_SIZE;
1442 ret = send_callback_request(hash_sister_callback, &query, &result);
1443 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1444 goto out_free;
1445 if (ret >= 0) {
1446 hs = *(struct osl_row **)result.data;
1447 free(result.data);
1448 }
1449 /* Return success if we already know this file. */
1450 ret = 1;
1451 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1452 if (pad->flags & ADD_FLAG_VERBOSE)
1453 ret = send_va_buffer(pad->fd,
1454 "not forcing update: %s\n", path);
1455 goto out_unmap;
1456 }
1457 /*
1458 * we won't recalculate the audio format info and the chunk table if
1459 * there is a hash sister unless in FORCE mode.
1460 */
1461 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1462 ret = compute_afhi(path, map.data, map.size, &afhi);
1463 if (ret < 0)
1464 goto out_unmap;
1465 format_num = ret;
1466 afhi_ptr = &afhi;
1467 }
1468 if (pad->flags & ADD_FLAG_VERBOSE)
1469 send_va_buffer(pad->fd, "adding %s\n", path);
1470 munmap(map.data, map.size);
1471 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1472 /* Ask afs to consider this entry for adding. */
1473 ret = send_callback_request(com_add_callback, &obj, NULL);
1474 goto out_free;
1475
1476 out_unmap:
1477 munmap(map.data, map.size);
1478 out_free:
1479 if (ret < 0)
1480 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path?
1481 path : arg, PARA_STRERROR(-ret));
1482 free(obj.data);
1483 free(path);
1484 if (afhi_ptr)
1485 free(afhi_ptr->chunk_table);
1486 return 1; /* it's not an error if not all files could be added */
1487 }
1488
1489 int com_add(int fd, int argc, char * const * const argv)
1490 {
1491 int i, ret;
1492 struct private_add_data pad = {.fd = fd, .flags = 0};
1493 struct stat statbuf;
1494
1495 for (i = 1; i < argc; i++) {
1496 const char *arg = argv[i];
1497 if (arg[0] != '-')
1498 break;
1499 if (!strcmp(arg, "--")) {
1500 i++;
1501 break;
1502 }
1503 if (!strcmp(arg, "-l")) {
1504 pad.flags |= ADD_FLAG_LAZY;
1505 continue;
1506 }
1507 if (!strcmp(arg, "-f")) {
1508 pad.flags |= ADD_FLAG_FORCE;
1509 continue;
1510 }
1511 if (!strcmp(arg, "-v")) {
1512 pad.flags |= ADD_FLAG_VERBOSE;
1513 continue;
1514 }
1515 }
1516 if (argc <= i)
1517 return -E_AFT_SYNTAX;
1518 for (; i < argc; i++) {
1519 char *path = para_strdup(argv[i]);
1520 size_t len = strlen(path);
1521 while (len > 1 && path[--len] == '/')
1522 path[len] = '\0';
1523 ret = stat(path, &statbuf);
1524 if (ret < 0)
1525 PARA_NOTICE_LOG("failed to stat %s (%s)", path,
1526 strerror(errno));
1527 else
1528 if (S_ISDIR(statbuf.st_mode))
1529 for_each_file_in_dir(path, add_one_audio_file,
1530 &pad);
1531 else
1532 add_one_audio_file(path, &pad);
1533 free(path);
1534 }
1535 ret = 1;
1536 return ret;
1537
1538 }
1539
1540 struct com_touch_options {
1541 long num_played;
1542 long last_played;
1543 long lyrics_id;
1544 long image_id;
1545 };
1546
1547 static int com_touch_callback(const struct osl_object *query,
1548 __a_unused struct osl_object *result)
1549 {
1550 struct com_touch_options *cto = query->data;
1551 char *p = (char *)query->data + sizeof(*cto);
1552 size_t len;
1553 int ret, no_options = cto->num_played < 0 && cto->last_played < 0 &&
1554 cto->lyrics_id < 0 && cto->image_id < 0;
1555
1556 for (;p < (char *)query->data + query->size; p += len + 1) {
1557 struct afs_info old_afsi, new_afsi;
1558 struct osl_object obj;
1559 struct osl_row *row;
1560
1561 len = strlen(p);
1562 ret = aft_get_row_of_path(p, &row);
1563 if (ret < 0)
1564 return ret;
1565 ret = get_afsi_object_of_row(row, &obj);
1566 if (ret < 0)
1567 return ret;
1568 ret = load_afsi(&old_afsi, &obj);
1569 if (ret < 0)
1570 return ret;
1571 new_afsi = old_afsi;
1572 if (no_options) {
1573 new_afsi.num_played++;
1574 new_afsi.last_played = time(NULL);
1575 } else {
1576 if (cto->lyrics_id >= 0)
1577 new_afsi.lyrics_id = cto->lyrics_id;
1578 if (cto->image_id >= 0)
1579 new_afsi.image_id = cto->image_id;
1580 if (cto->num_played >= 0)
1581 new_afsi.num_played = cto->num_played;
1582 if (cto->last_played >= 0)
1583 new_afsi.last_played = cto->last_played;
1584 }
1585 save_afsi(&new_afsi, &obj); /* in-place update */
1586 ret = mood_update_audio_file(row, &old_afsi);
1587 if (ret < 0)
1588 return ret;
1589 }
1590 return 1;
1591 }
1592
1593 int com_touch(__a_unused int fd, int argc, char * const * const argv)
1594 {
1595 struct com_touch_options cto = {
1596 .num_played = -1,
1597 .last_played = -1,
1598 .lyrics_id = -1,
1599 .image_id = -1
1600 };
1601 struct osl_object options = {.data = &cto, .size = sizeof(cto)};
1602 int i, ret;
1603
1604
1605 for (i = 1; i < argc; i++) {
1606 const char *arg = argv[i];
1607 if (arg[0] != '-')
1608 break;
1609 if (!strcmp(arg, "--")) {
1610 i++;
1611 break;
1612 }
1613 if (!strncmp(arg, "-n", 2)) {
1614 ret = para_atol(arg + 2, &cto.num_played);
1615 if (ret < 0)
1616 goto err;
1617 continue;
1618 }
1619 if (!strncmp(arg, "-l", 2)) {
1620 ret = para_atol(arg + 2, &cto.last_played);
1621 if (ret < 0)
1622 goto err;
1623 continue;
1624 }
1625 if (!strncmp(arg, "-y", 2)) {
1626 ret = para_atol(arg + 2, &cto.lyrics_id);
1627 if (ret < 0)
1628 goto err;
1629 continue;
1630 }
1631 if (!strncmp(arg, "-i", 2)) {
1632 ret = para_atol(arg + 2, &cto.image_id);
1633 if (ret < 0)
1634 goto err;
1635 continue;
1636 }
1637 }
1638 ret = -E_AFT_SYNTAX;
1639 if (i >= argc)
1640 goto err;
1641 return send_option_arg_callback_request(&options, argc - i,
1642 argv + i, com_touch_callback, NULL);
1643 err:
1644 return ret;
1645 }
1646
1647 struct com_rm_options {
1648 uint32_t flags;
1649 };
1650
1651 static int com_rm_callback(const struct osl_object *query,
1652 __a_unused struct osl_object *result)
1653 {
1654 struct com_rm_options *cro = query->data;
1655 char *p = (char *)query->data + sizeof(*cro);
1656 size_t len;
1657 int ret;
1658
1659 for (;p < (char *)query->data + query->size; p += len + 1) {
1660 struct osl_row *row;
1661
1662 len = strlen(p);
1663 ret = aft_get_row_of_path(p, &row);
1664 if (ret < 0)
1665 return ret;
1666 ret = mood_delete_audio_file(row);
1667 if (ret < 0)
1668 return ret;
1669 ret = osl_del_row(audio_file_table, row);
1670 if (ret < 0)
1671 return ret;
1672 }
1673 return 1;
1674 }
1675
1676 /*
1677 * TODO options: -v verbose, -f dont stop if file not found
1678 * -h remove by hash, use fnmatch
1679 *
1680 * */
1681
1682 int com_afs_rm(__a_unused int fd, int argc, char * const * const argv)
1683 {
1684 struct com_rm_options cro = {.flags = 0};
1685 struct osl_object options = {.data = &cro, .size = sizeof(cro)};
1686 int i, ret;
1687
1688 for (i = 1; i < argc; i++) {
1689 const char *arg = argv[i];
1690 if (arg[0] != '-')
1691 break;
1692 if (!strcmp(arg, "--")) {
1693 i++;
1694 break;
1695 }
1696 }
1697 ret = -E_AFT_SYNTAX;
1698 if (i >= argc)
1699 goto err;
1700 return send_option_arg_callback_request(&options, argc - i,
1701 argv + i, com_rm_callback, NULL);
1702 err:
1703 return ret;
1704 }
1705
1706 /* TODO: optionally fix problems by removing offending rows */
1707 static int check_audio_file(struct osl_row *row, void *data)
1708 {
1709 char *path;
1710 struct para_buffer *pb = data;
1711 struct stat statbuf;
1712 int ret = get_audio_file_path_of_row(row, &path);
1713 struct afs_info afsi;
1714 char *blob_name;
1715
1716 if (ret < 0) {
1717 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
1718 return 1;
1719 }
1720 if (stat(path, &statbuf) < 0)
1721 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
1722 else {
1723 if (!S_ISREG(statbuf.st_mode))
1724 para_printf(pb, "%s: not a regular file\n", path);
1725 }
1726 ret = get_afsi_of_row(row, &afsi);
1727 if (ret < 0) {
1728 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
1729 return 1;
1730 }
1731 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
1732 if (ret < 0)
1733 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
1734 PARA_STRERROR(-ret));
1735 ret = img_get_name_by_id(afsi.image_id, &blob_name);
1736 if (ret < 0)
1737 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
1738 PARA_STRERROR(-ret));
1739 return 1;
1740 }
1741
1742 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
1743 {
1744 struct para_buffer pb = {.buf = NULL};
1745
1746 para_printf(&pb, "checking audio file table...\n");
1747 audio_file_loop(&pb, check_audio_file);
1748 result->data = pb.buf;
1749 result->size = pb.size;
1750 return 1;
1751
1752 }
1753
1754 /**
1755 * Close the audio file table.
1756 *
1757 * \param flags Ususal flags that are passed to osl_close_table().
1758 *
1759 * \sa osl_close_table().
1760 */
1761 void aft_shutdown(enum osl_close_flags flags)
1762 {
1763 osl_close_table(audio_file_table, flags);
1764 audio_file_table = NULL;
1765 }
1766
1767 /**
1768 * Open the audio file table.
1769 *
1770 * \param ti Gets initialized by this function.
1771 * \param db The database directory.
1772 *
1773 * \return Positive on success, negative on errors.
1774 *
1775 * \sa osl_open_table().
1776 */
1777 int aft_init(struct table_info *ti, const char *db)
1778 {
1779 int ret;
1780
1781 audio_file_table_desc.dir = db;
1782 ti->desc = &audio_file_table_desc;
1783 ret = osl_open_table(ti->desc, &ti->table);
1784 if (ret >= 0) {
1785 unsigned num;
1786 audio_file_table = ti->table;
1787 osl_get_num_rows(audio_file_table, &num);
1788 PARA_INFO_LOG("audio file table contains %d files\n", num);
1789 return ret;
1790 }
1791 PARA_INFO_LOG("failed to open audio file table\n");
1792 audio_file_table = NULL;
1793 return ret == -E_NOENT? 1 : ret;
1794 }