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