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04846a7658e34979f6bdcab62669b2c1c826a1a6
[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 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
355 }
356
357 /**
358 * Get the row of the audio file table corresponding to the given hash value.
359 *
360 * \param hash The hash value of the desired audio file.
361 * \param row resul pointer.
362 *
363 * \return The return value of the underlying call to osl_get_row().
364 */
365 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
366 {
367 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
368 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
369 }
370
371 /**
372 * Get the osl object holding the audio file selector info of a row.
373 *
374 * \param row Pointer to a row in the audio file table.
375 * \param obj Result pointer.
376 *
377 * \return The return value of the underlying call to osl_get_object().
378 */
379 int get_afsi_object_of_row(const void *row, struct osl_object *obj)
380 {
381 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
382 }
383
384 /**
385 * Get the osl object holding the audio file selector info, given a path.
386 *
387 *
388 * \param path The full path of the audio file.
389 * \param obj Result pointer.
390 *
391 * \return Positive on success, negative on errors.
392 */
393 int get_afsi_object_of_path(char *path, struct osl_object *obj)
394 {
395 struct osl_row *row;
396 int ret = aft_get_row_of_path(path, &row);
397 if (ret < 0)
398 return ret;
399 return get_afsi_object_of_row(row, obj);
400 }
401
402 /**
403 * Get the audio file selector info, given a row of the audio file table.
404 *
405 * \param row Pointer to a row in the audio file table.
406 * \param afsi Result pointer.
407 *
408 * \return Positive on success, negative on errors.
409 */
410 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
411 {
412 struct osl_object obj;
413 int ret = get_afsi_object_of_row(row, &obj);
414 if (ret < 0)
415 return ret;
416 return load_afsi(afsi, &obj);
417 }
418
419 /**
420 * Get the path of an audio file, given a row of the audio file table.
421 *
422 * \param row Pointer to a row in the audio file table.
423 * \param path Result pointer.
424 *
425 * \return Positive on success, negative on errors.
426 */
427 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
428 {
429 struct osl_object path_obj;
430 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
431 &path_obj);
432 if (ret < 0)
433 return ret;
434 *path = path_obj.data;
435 return 1;
436 }
437
438 /**
439 * Get the object containing the hash value of an audio file, given a row.
440 *
441 * \param row Pointer to a row of the audio file table.
442 * \param obj Result pointer.
443 *
444 * \return The return value of the underlying call to osl_get_object().
445 *
446 * \sa get_hash_of_row().
447 */
448 int get_hash_object_of_aft_row(const void *row, struct osl_object *obj)
449 {
450 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
451 }
452
453 /**
454 * Get the hash value of an audio file, given a row of the audio file table.
455 *
456 * \param row Pointer to a row of the audio file table.
457 * \param hash Result pointer.
458 *
459 * \a hash points to mapped data and must not be freed by the caller.
460 *
461 * \return The return value of the underlying call to
462 * get_hash_object_of_aft_row().
463 */
464 static int get_hash_of_row(const void *row, HASH_TYPE **hash)
465 {
466 struct osl_object obj;
467 int ret = get_hash_object_of_aft_row(row, &obj);
468
469 if (ret < 0)
470 return ret;
471 *hash = obj.data;
472 return 1;
473 }
474
475 /**
476 * Get the audio format handler info, given a row of the audio file table.
477 *
478 * \param row Pointer to a row of the audio file table.
479 * \param afhi Result pointer.
480 *
481 * \return The return value of the underlying call to osl_get_object().
482 *
483 * \sa get_chunk_table_of_row().
484 */
485 int get_afhi_of_row(const void *row, struct audio_format_info *afhi)
486 {
487 struct osl_object obj;
488 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
489 &obj);
490 if (ret < 0)
491 return ret;
492 load_afhi(obj.data, afhi);
493 return 1;
494 }
495
496 /**
497 * Get the chunk table of an audio file, given a row of the audio file table.
498 *
499 * \param row Pointer to a row of the audio file table.
500 * \param afhi Result pointer.
501 *
502 * \return The return value of the underlying call to osl_open_disk_object().
503 *
504 * \sa get_afhi_of_row().
505 */
506 int get_chunk_table_of_row(const void *row, struct audio_format_info *afhi)
507 {
508 struct osl_object obj;
509 int ret = osl_open_disk_object(audio_file_table, row, AFTCOL_CHUNKS,
510 &obj);
511 if (ret < 0)
512 return ret;
513 ret = load_chunk_info(&obj, afhi);
514 osl_close_disk_object(&obj);
515 return ret;
516 }
517
518 /**
519 * Mmap the given audio file and update statistics.
520 *
521 * \param aft_row Determines the audio file to be opened and updated.
522 * \param afd Result pointer.
523 *
524 * On success, the numplayed field of the audio file selector info is increased
525 * and the lastplayed time is set to the current time. Finally, the score of
526 * the audio file is updated.
527 *
528 * \return Positive on success, negative on errors.
529 */
530 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
531 {
532 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
533 struct osl_object afsi_obj;
534 struct afs_info new_afsi;
535 int ret = get_hash_of_row(aft_row, &aft_hash);
536
537 if (ret < 0)
538 return ret;
539 ret = get_audio_file_path_of_row(aft_row, &afd->path);
540 if (ret < 0)
541 return ret;
542 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
543 if (ret < 0)
544 return ret;
545 ret = load_afsi(&afd->afsi, &afsi_obj);
546 if (ret < 0)
547 return ret;
548 ret = get_afhi_of_row(aft_row, &afd->afhi);
549 if (ret < 0)
550 return ret;
551 ret = get_chunk_table_of_row(aft_row, &afd->afhi);
552 if (ret < 0)
553 return ret;
554 ret = mmap_full_file(afd->path, O_RDONLY, &afd->map);
555 if (ret < 0)
556 goto err;
557 hash_function(afd->map.data, afd->map.size, file_hash);
558 ret = -E_HASH_MISMATCH;
559 if (hash_compare(file_hash, aft_hash))
560 goto err;
561 new_afsi = afd->afsi;
562 new_afsi.num_played++;
563 new_afsi.last_played = time(NULL);
564 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
565 if (afd->current_play_mode == PLAY_MODE_PLAYLIST)
566 ret = playlist_update_audio_file(aft_row);
567 else
568 ret = mood_update_audio_file(aft_row, &afd->afsi);
569 return ret;
570 err:
571 free(afd->afhi.chunk_table);
572 return ret;
573 }
574
575 time_t now;
576
577 static int get_local_time(uint64_t *seconds, char *buf, size_t size)
578 {
579 struct tm t;
580
581 if (!localtime_r((time_t *)seconds, &t))
582 return -E_LOCALTIME;
583 if (*seconds + 6 * 30 * 24 * 3600 > now) {
584 if (!strftime(buf, size, "%b %e %k:%M", &t))
585 return -E_STRFTIME;
586 return 1;
587 }
588 if (!strftime(buf, size, "%b %e %Y", &t))
589 return -E_STRFTIME;
590 return 1;
591 }
592
593 #define GET_NUM_DIGITS(x, num) { \
594 typeof((x)) _tmp = PARA_ABS(x); \
595 *num = 1; \
596 if ((x)) \
597 while ((_tmp) > 9) { \
598 (_tmp) /= 10; \
599 (*num)++; \
600 } \
601 }
602
603 static short unsigned get_duration(int seconds_total, char *buf, short unsigned max_width)
604 {
605 short unsigned width;
606 int s = seconds_total;
607 unsigned hours = s / 3600, mins = (s % 3600) / 60, secs = s % 60;
608
609 if (s < 3600) { /* less than one hour => m:ss or mm:ss */
610 GET_NUM_DIGITS(mins, &width); /* 1 or 2 */
611 width += 3; /* 4 or 5 */
612 if (buf)
613 sprintf(buf, "%*u:%02u", max_width - width + 1, mins, secs);
614 return width;
615 }
616 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
617 GET_NUM_DIGITS(hours, &width);
618 width += 6;
619 if (buf)
620 sprintf(buf, "%*u:%02u:%02u", max_width - width + 1, hours, mins, secs);
621 return width;
622 }
623
624 static char *make_attribute_line(const char *att_bitmap, struct afs_info *afsi)
625 {
626 char *att_text, *att_line;
627
628 get_attribute_text(&afsi->attributes, " ", &att_text);
629 if (!att_text)
630 return para_strdup(att_bitmap);
631 att_line = make_message("%s (%s)", att_bitmap, att_text);
632 free(att_text);
633 return att_line;
634 }
635
636 static char *make_lyrics_line(struct afs_info *afsi)
637 {
638 char *lyrics_name;
639 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
640 if (!lyrics_name)
641 return make_message("%u", afsi->lyrics_id);
642 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
643 }
644
645 static char *make_image_line(struct afs_info *afsi)
646 {
647 char *image_name;
648 img_get_name_by_id(afsi->image_id, &image_name);
649 if (!image_name)
650 return make_message("%u", afsi->image_id);
651 return make_message("%u (%s)", afsi->image_id, image_name);
652 }
653
654 static int print_list_item(struct ls_data *d, struct ls_options *opts,
655 struct para_buffer *b)
656 {
657 int ret;
658 char att_buf[65];
659 char last_played_time[30];
660 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
661 char score_buf[30] = "";
662 struct afs_info *afsi = &d->afsi;
663 struct audio_format_info *afhi = &d->afhi;
664 struct ls_widths *w = &opts->widths;
665 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
666
667 if (opts->mode == LS_MODE_SHORT) {
668 para_printf(b, "%s\n", d->path);
669 return 1;
670 }
671 get_attribute_bitmap(&afsi->attributes, att_buf);
672 ret = get_local_time(&afsi->last_played, last_played_time,
673 sizeof(last_played_time));
674 if (ret < 0)
675 return ret;
676 get_duration(afhi->seconds_total, duration_buf, w->duration_width);
677 if (have_score) {
678 if (opts->mode == LS_MODE_LONG)
679 sprintf(score_buf, "%*li ", w->score_width, d->score);
680 else
681 sprintf(score_buf, "%li ", d->score);
682 }
683
684 if (opts->mode == LS_MODE_LONG) {
685 para_printf(b,
686 "%s" /* score */
687 "%s " /* attributes */
688 "%*d " /* image_id */
689 "%*d " /* lyrics_id */
690 "%*d " /* bitrate */
691 "%s " /* audio format */
692 "%*d " /* frequency */
693 "%d " /* channels */
694 "%s " /* duration */
695 "%*d " /* num_played */
696 "%s " /* last_played */
697 "%s\n", /* path */
698 score_buf,
699 att_buf,
700 w->image_id_width, afsi->image_id,
701 w->lyrics_id_width, afsi->lyrics_id,
702 w->bitrate_width, afhi->bitrate,
703 audio_format_name(afsi->audio_format_id),
704 w->frequency_width, afhi->frequency,
705 afhi->channels,
706 duration_buf,
707 w->num_played_width, afsi->num_played,
708 last_played_time,
709 d->path
710 );
711 return 1;
712 }
713 if (opts->mode == LS_MODE_VERBOSE) {
714 char asc_hash[2 * HASH_SIZE + 1];
715 char *att_line, *lyrics_line, *image_line;
716
717 hash_to_asc(d->hash, asc_hash);
718 att_line = make_attribute_line(att_buf, afsi);
719 lyrics_line = make_lyrics_line(afsi);
720 image_line = make_image_line(afsi);
721 para_printf(b,
722 "%s: %s\n" /* path */
723 "%s%s%s" /* score */
724 "attributes: %s\n"
725 "hash: %s\n"
726 "image_id: %s\n"
727 "lyrics_id: %s\n"
728 "bitrate: %dkbit/s\n"
729 "format: %s\n"
730 "frequency: %dHz\n"
731 "channels: %d\n"
732 "duration: %s\n"
733 "num_played: %d\n"
734 "last_played: %s\n\n",
735 (opts->flags & LS_FLAG_FULL_PATH)?
736 "path" : "file", d->path,
737 have_score? "score: " : "", score_buf,
738 have_score? "\n" : "",
739 att_line,
740 asc_hash,
741 image_line,
742 lyrics_line,
743 afhi->bitrate,
744 audio_format_name(afsi->audio_format_id),
745 afhi->frequency,
746 afhi->channels,
747 duration_buf,
748 afsi->num_played,
749 last_played_time
750 );
751 free(att_line);
752 free(lyrics_line);
753 free(image_line);
754 return 1;
755 }
756 return 1;
757 }
758
759 static int ls_audio_format_compare(const void *a, const void *b)
760 {
761 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
762 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
763 }
764
765 static int ls_duration_compare(const void *a, const void *b)
766 {
767 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
768 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
769 }
770
771 static int ls_bitrate_compare(const void *a, const void *b)
772 {
773 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
774 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
775 }
776
777 static int ls_lyrics_id_compare(const void *a, const void *b)
778 {
779 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
780 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
781 }
782
783 static int ls_image_id_compare(const void *a, const void *b)
784 {
785 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
786 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
787 }
788
789 static int ls_channels_compare(const void *a, const void *b)
790 {
791 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
792 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
793 }
794
795 static int ls_frequency_compare(const void *a, const void *b)
796 {
797 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
798 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
799 }
800
801 static int ls_num_played_compare(const void *a, const void *b)
802 {
803 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
804 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
805 }
806
807 static int ls_last_played_compare(const void *a, const void *b)
808 {
809 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
810 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
811 }
812
813 static int ls_score_compare(const void *a, const void *b)
814 {
815 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
816 return NUM_COMPARE(d1->score, d2->score);
817 }
818
819 static int ls_path_compare(const void *a, const void *b)
820 {
821 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
822 return strcmp(d1->path, d2->path);
823 }
824
825 static int sort_matching_paths(struct ls_options *options)
826 {
827 size_t nmemb = options->num_matching_paths;
828 size_t size = sizeof(uint32_t);
829 int (*compar)(const void *, const void *);
830 int i;
831
832 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
833 for (i = 0; i < nmemb; i++)
834 options->data_ptr[i] = options->data + i;
835
836 /* In these cases the array is already sorted */
837 if (options->sorting == LS_SORT_BY_PATH
838 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
839 && (options->flags & LS_FLAG_FULL_PATH))
840 return 1;
841 if (options->sorting == LS_SORT_BY_SCORE &&
842 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
843 return 1;
844
845 switch (options->sorting) {
846 case LS_SORT_BY_PATH:
847 compar = ls_path_compare; break;
848 case LS_SORT_BY_SCORE:
849 compar = ls_score_compare; break;
850 case LS_SORT_BY_LAST_PLAYED:
851 compar = ls_last_played_compare; break;
852 case LS_SORT_BY_NUM_PLAYED:
853 compar = ls_num_played_compare; break;
854 case LS_SORT_BY_FREQUENCY:
855 compar = ls_frequency_compare; break;
856 case LS_SORT_BY_CHANNELS:
857 compar = ls_channels_compare; break;
858 case LS_SORT_BY_IMAGE_ID:
859 compar = ls_image_id_compare; break;
860 case LS_SORT_BY_LYRICS_ID:
861 compar = ls_lyrics_id_compare; break;
862 case LS_SORT_BY_BITRATE:
863 compar = ls_bitrate_compare; break;
864 case LS_SORT_BY_DURATION:
865 compar = ls_duration_compare; break;
866 case LS_SORT_BY_AUDIO_FORMAT:
867 compar = ls_audio_format_compare; break;
868 default:
869 return -E_BAD_SORT;
870 }
871 qsort(options->data_ptr, nmemb, size, compar);
872 return 1;
873 }
874
875 /* row is either an aft_row or a row of the score table */
876 /* TODO: Only compute widths if we need them */
877 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
878 {
879 int ret, i;
880 struct ls_options *options = ls_opts;
881 struct ls_data *d;
882 struct ls_widths *w;
883 unsigned short num_digits;
884 unsigned tmp;
885 struct osl_row *aft_row;
886 long score;
887 char *path;
888
889 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
890 ret = get_score_and_aft_row(row, &score, &aft_row);
891 if (ret < 0)
892 return ret;
893 } else
894 aft_row = row;
895 ret = get_audio_file_path_of_row(aft_row, &path);
896 if (ret < 0)
897 return ret;
898 if (!(options->flags & LS_FLAG_FULL_PATH)) {
899 char *p = strrchr(path, '/');
900 if (p)
901 path = p + 1;
902 }
903 if (options->num_patterns) {
904 for (i = 0; i < options->num_patterns; i++) {
905 ret = fnmatch(options->patterns[i], path, FNM_PATHNAME);
906 if (!ret)
907 break;
908 if (ret == FNM_NOMATCH)
909 continue;
910 return -E_FNMATCH;
911 }
912 if (i >= options->num_patterns) /* no match */
913 return 1;
914 }
915 tmp = options->num_matching_paths++;
916 if (options->num_matching_paths > options->array_size) {
917 options->array_size++;
918 options->array_size *= 2;
919 options->data = para_realloc(options->data, options->array_size
920 * sizeof(*options->data));
921 }
922 d = options->data + tmp;
923 ret = get_afsi_of_row(aft_row, &d->afsi);
924 if (ret < 0)
925 return ret;
926 ret = get_afhi_of_row(aft_row, &d->afhi);
927 if (ret < 0)
928 return ret;
929 d->path = path;
930 ret = get_hash_of_row(aft_row, &d->hash);
931 if (ret < 0)
932 return ret;
933 w = &options->widths;
934 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
935 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
936 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
937 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
938 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
939 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
940 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
941 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
942 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
943 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
944 /* just get the number of chars to print this amount of time */
945 tmp = get_duration(d->afhi.seconds_total, NULL, 0);
946 w->duration_width = PARA_MAX(w->duration_width, tmp);
947 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
948 GET_NUM_DIGITS(score, &num_digits);
949 num_digits++; /* add one for the sign (space or "-") */
950 w->score_width = PARA_MAX(w->score_width, num_digits);
951 d->score = score;
952 }
953 return 1;
954 }
955
956 static int com_ls_callback(const struct osl_object *query,
957 struct osl_object *ls_output)
958 {
959 struct ls_options *opts = query->data;
960 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
961 struct para_buffer b = {.buf = NULL, .size = 0};
962 int i = 0, ret;
963
964 PARA_NOTICE_LOG("%d patterns\n", opts->num_patterns);
965 if (opts->num_patterns) {
966 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
967 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
968 opts->patterns[i] = p;
969 p += strlen(p) + 1;
970 PARA_NOTICE_LOG("pattern %d: %s\n", i, opts->patterns[i]);
971 }
972 } else
973 opts->patterns = NULL;
974 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
975 ret = admissible_file_loop(opts, prepare_ls_row);
976 else
977 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
978 prepare_ls_row);
979 if (ret < 0)
980 goto out;
981 ret = opts->num_patterns? -E_NO_MATCH : 0;
982 if (!opts->num_matching_paths) {
983 PARA_NOTICE_LOG("no match, ret: %d\n", ret);
984 goto out;
985 }
986 ret = sort_matching_paths(opts);
987 if (ret < 0)
988 goto out;
989 if (opts->flags & LS_FLAG_REVERSE)
990 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
991 ret = print_list_item(opts->data_ptr[i], opts, &b);
992 if (ret < 0)
993 break;
994 }
995 else
996 for (i = 0; i < opts->num_matching_paths; i++) {
997 ret = print_list_item(opts->data_ptr[i], opts, &b);
998 if (ret < 0)
999 break;
1000 }
1001 ret = 1;
1002 out:
1003 ls_output->data = b.buf;
1004 PARA_NOTICE_LOG("ls_outoute.data: %p\n", ls_output->data);
1005 ls_output->size = b.size;
1006 free(opts->data);
1007 free(opts->data_ptr);
1008 free(opts->patterns);
1009 return ret;
1010 }
1011
1012 /*
1013 * TODO: flags -h (sort by hash)
1014 *
1015 * long list: list hash, attributes as (xx--x-x-), file size, lastplayed
1016 * full list: list everything, including afsi, afhi, atts as clear text
1017 *
1018 * */
1019 int com_afs_ls(int fd, int argc, char * const * const argv)
1020 {
1021 int i, ret;
1022 unsigned flags = 0;
1023 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1024 enum ls_listing_mode mode = LS_MODE_SHORT;
1025 struct ls_options opts = {.patterns = NULL};
1026 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1027 ls_output;
1028
1029 for (i = 1; i < argc; i++) {
1030 const char *arg = argv[i];
1031 if (arg[0] != '-')
1032 break;
1033 if (!strcmp(arg, "--")) {
1034 i++;
1035 break;
1036 }
1037 if (!strncmp(arg, "-l", 2)) {
1038 if (!*(arg + 2)) {
1039 mode = LS_MODE_LONG;
1040 continue;
1041 }
1042 if (*(arg + 3))
1043 return -E_AFT_SYNTAX;
1044 switch(*(arg + 2)) {
1045 case 's':
1046 mode = LS_MODE_SHORT;
1047 continue;
1048 case 'l':
1049 mode = LS_MODE_LONG;
1050 continue;
1051 case 'v':
1052 mode = LS_MODE_VERBOSE;
1053 continue;
1054 case 'm':
1055 mode = LS_MODE_MBOX;
1056 continue;
1057 default:
1058 return -E_AFT_SYNTAX;
1059 }
1060 }
1061 if (!strcmp(arg, "-p")) {
1062 flags |= LS_FLAG_FULL_PATH;
1063 continue;
1064 }
1065 if (!strcmp(arg, "-a")) {
1066 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1067 continue;
1068 }
1069 if (!strcmp(arg, "-r")) {
1070 flags |= LS_FLAG_REVERSE;
1071 continue;
1072 }
1073 if (!strncmp(arg, "-s", 2)) {
1074 if (!*(arg + 2) || *(arg + 3))
1075 return -E_AFT_SYNTAX;
1076 switch(*(arg + 2)) {
1077 case 'p':
1078 sort = LS_SORT_BY_PATH;
1079 continue;
1080 case 's': /* -ss implies -a */
1081 sort = LS_SORT_BY_SCORE;
1082 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1083 continue;
1084 case 'l':
1085 sort = LS_SORT_BY_LAST_PLAYED;
1086 continue;
1087 case 'n':
1088 sort = LS_SORT_BY_NUM_PLAYED;
1089 continue;
1090 case 'f':
1091 sort = LS_SORT_BY_FREQUENCY;
1092 continue;
1093 case 'c':
1094 sort = LS_SORT_BY_CHANNELS;
1095 continue;
1096 case 'i':
1097 sort = LS_SORT_BY_IMAGE_ID;
1098 continue;
1099 case 'y':
1100 sort = LS_SORT_BY_LYRICS_ID;
1101 continue;
1102 case 'b':
1103 sort = LS_SORT_BY_BITRATE;
1104 continue;
1105 case 'd':
1106 sort = LS_SORT_BY_DURATION;
1107 continue;
1108 case 'a':
1109 sort = LS_SORT_BY_AUDIO_FORMAT;
1110 continue;
1111 default:
1112 return -E_AFT_SYNTAX;
1113 }
1114 }
1115 return -E_AFT_SYNTAX;
1116 }
1117 time(&now);
1118 opts.flags = flags;
1119 opts.sorting = sort;
1120 opts.mode = mode;
1121 opts.num_patterns = argc - i;
1122 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1123 argv + i, com_ls_callback, &ls_output);
1124 if (ret > 0) {
1125 ret = send_buffer(fd, (char *)ls_output.data);
1126 free(ls_output.data);
1127 }
1128 return ret;
1129 }
1130
1131 /**
1132 * Call the given function for each file in the audio file table.
1133 *
1134 * \param private_data An arbitrary data pointer, passed to \a func.
1135 * \param func The custom function to be called.
1136 *
1137 * \return The return value of the underlying call to osl_rbtree_loop().
1138 */
1139 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1140 {
1141 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1142 func);
1143 }
1144
1145 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1146 {
1147 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1148 struct osl_row *row;
1149
1150 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1151 return row;
1152 }
1153
1154 enum aft_row_offsets {
1155 AFTROW_AFHI_OFFSET_POS = 0,
1156 AFTROW_CHUNKS_OFFSET_POS = 2,
1157 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1158 AFTROW_FLAGS_OFFSET = 5,
1159 AFTROW_HASH_OFFSET = 9,
1160 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1161 };
1162
1163 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1164 * In this case, afhi won't be stored in the buffer */
1165 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1166 struct audio_format_info *afhi, uint32_t flags,
1167 uint8_t audio_format_num, struct osl_object *obj)
1168 {
1169 size_t path_len = strlen(path) + 1;
1170 size_t afhi_size = sizeof_afhi_buf(afhi);
1171 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1172 + sizeof_chunk_info_buf(afhi);
1173 char *buf = para_malloc(size);
1174 uint16_t pos;
1175
1176 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1177 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1178
1179 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1180 strcpy(buf + AFTROW_PATH_OFFSET, path);
1181
1182 pos = AFTROW_PATH_OFFSET + path_len;
1183 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1184 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1185 pos + afhi_size - 1);
1186 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1187 save_afhi(afhi, buf + pos);
1188
1189 pos += afhi_size;
1190 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1191 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1192 save_chunk_info(afhi, buf + pos);
1193 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1194 obj->data = buf;
1195 obj->size = size;
1196 }
1197
1198 /*
1199 input:
1200 ~~~~~~
1201 HS: hash sister
1202 PB: path brother
1203 F: force flag given
1204
1205 output:
1206 ~~~~~~~
1207 AFHI: whether afhi and chunk table are computed and sent
1208 ACTION: table modifications to be performed
1209
1210 +---+----+-----+------+---------------------------------------------------+
1211 | HS | PB | F | AFHI | ACTION
1212 +---+----+-----+------+---------------------------------------------------+
1213 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1214 | | update path, keep afsi
1215 +---+----+-----+------+---------------------------------------------------+
1216 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1217 | | otherwise: remove PB, HS: update path, keep afhi,
1218 | | afsi.
1219 +---+----+-----+------+---------------------------------------------------+
1220 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1221 | | HS, keep afsi
1222 +---+----+-----+------+---------------------------------------------------+
1223 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1224 +---+----+-----+------+---------------------------------------------------+
1225 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1226 | | (force has no effect)
1227 +---+----+-----+------+---------------------------------------------------+
1228 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1229 +---+----+-----+------+---------------------------------------------------+
1230 | N | N | Y | Y | (new file) create new entry (force has no effect)
1231 +---+----+-----+------+---------------------------------------------------+
1232 | N | N | N | Y | (new file) create new entry
1233 +---+----+-----+------+---------------------------------------------------+
1234
1235 afhi <=> force or no HS
1236
1237 */
1238
1239
1240 #define ADD_FLAG_LAZY 1
1241 #define ADD_FLAG_FORCE 2
1242 #define ADD_FLAG_VERBOSE 4
1243
1244 /* TODO: change log messages so that they get written to the result buffer */
1245
1246 static int com_add_callback(const struct osl_object *query,
1247 __a_unused struct osl_object *result)
1248 {
1249 char *buf = query->data, *path;
1250 struct osl_row *pb, *aft_row;
1251 const struct osl_row *hs;
1252 struct osl_object objs[NUM_AFT_COLUMNS];
1253 HASH_TYPE *hash;
1254 char asc[2 * HASH_SIZE + 1];
1255 int ret;
1256 char afsi_buf[AFSI_SIZE];
1257 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1258 struct afs_info default_afsi = {.last_played = 0};
1259
1260 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1261 hash_to_asc(hash, asc);;
1262 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1263 objs[AFTCOL_HASH].size = HASH_SIZE;
1264
1265 path = buf + AFTROW_PATH_OFFSET;
1266 objs[AFTCOL_PATH].data = path;
1267 objs[AFTCOL_PATH].size = strlen(path) + 1;
1268
1269 PARA_DEBUG_LOG("request to add %s with hash %s\n", path, asc);
1270 hs = find_hash_sister(hash);
1271 ret = aft_get_row_of_path(path, &pb);
1272 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1273 return ret;
1274 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1275 if (flags & ADD_FLAG_VERBOSE)
1276 PARA_NOTICE_LOG("ignoring duplicate %p\n", path);
1277 return 1;
1278 }
1279 if (hs && hs != pb) {
1280 struct osl_object obj;
1281 if (pb) { /* hs trumps pb, remove pb */
1282 if (flags & ADD_FLAG_VERBOSE)
1283 PARA_NOTICE_LOG("removing path brother\n");
1284 ret = osl_del_row(audio_file_table, pb);
1285 if (ret < 0)
1286 return ret;
1287 pb = NULL;
1288 }
1289 /* file rename, update hs' path */
1290 ret = osl_get_object(audio_file_table, hs, AFTCOL_PATH, &obj);
1291 if (flags & ADD_FLAG_VERBOSE)
1292 PARA_NOTICE_LOG("rename %s -> %s\n", (char *)obj.data, path);
1293 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1294 &objs[AFTCOL_PATH]);
1295 if (ret < 0)
1296 return ret;
1297 if (!(flags & ADD_FLAG_FORCE))
1298 return ret;
1299 }
1300 /* no hs or force mode, child must have sent afhi */
1301 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1302 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1303
1304 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1305 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1306 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1307 return -E_NO_AFHI;
1308 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1309 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1310 if (pb && !hs) { /* update pb's hash */
1311 char old_asc[2 * HASH_SIZE + 1];
1312 HASH_TYPE *old_hash;
1313 ret = get_hash_of_row(pb, &old_hash);
1314 if (ret < 0)
1315 return ret;
1316 hash_to_asc(old_hash, old_asc);
1317 if (flags & ADD_FLAG_VERBOSE)
1318 PARA_NOTICE_LOG("file change: %s %s -> %s\n", path,
1319 old_asc, asc);
1320 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1321 &objs[AFTCOL_HASH]);
1322 if (ret < 0)
1323 return ret;
1324 }
1325 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1326 const void *row = pb? pb : hs;
1327 /* update afhi and chunk_table */
1328 if (flags & ADD_FLAG_VERBOSE)
1329 PARA_NOTICE_LOG("updating audio format handler info (%zd bytes)\n",
1330 objs[AFTCOL_AFHI].size);
1331 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1332 &objs[AFTCOL_AFHI]);
1333 if (ret < 0)
1334 return ret;
1335 if (flags & ADD_FLAG_VERBOSE)
1336 PARA_NOTICE_LOG("updating chunk table\n");
1337 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1338 &objs[AFTCOL_CHUNKS]);
1339 if (ret < 0)
1340 return ret;
1341 ret = mood_update_audio_file(row, NULL);
1342 if (ret < 0)
1343 return ret;
1344 }
1345 /* new entry, use default afsi */
1346 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1347 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1348
1349 objs[AFTCOL_AFSI].data = &afsi_buf;
1350 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1351 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1352 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1353 if (ret < 0)
1354 return ret;
1355 return mood_update_audio_file(aft_row, NULL);
1356 }
1357
1358 struct private_add_data {
1359 int fd;
1360 uint32_t flags;
1361 };
1362
1363 static int path_brother_callback(const struct osl_object *query,
1364 struct osl_object *result)
1365 {
1366 char *path = query->data;
1367 struct osl_row *path_brother;
1368 int ret = aft_get_row_of_path(path, &path_brother);
1369 if (ret < 0)
1370 return ret;
1371 result->data = para_malloc(sizeof(path_brother));
1372 result->size = sizeof(path_brother);
1373 *(struct osl_row **)(result->data) = path_brother;
1374 return 1;
1375 }
1376
1377 static int hash_sister_callback(const struct osl_object *query,
1378 struct osl_object *result)
1379 {
1380 HASH_TYPE *hash = query->data;
1381 struct osl_row *hash_sister;
1382
1383 hash_sister = find_hash_sister(hash);
1384 if (!hash_sister)
1385 return -E_RB_KEY_NOT_FOUND;
1386 result->data = para_malloc(sizeof(hash_sister));
1387 result->size = sizeof(hash_sister);
1388 *(struct osl_row **)(result->data) = hash_sister;
1389 return 1;
1390 }
1391
1392 static int add_one_audio_file(const char *arg, const void *private_data)
1393 {
1394 int ret;
1395 uint8_t format_num = -1;
1396 const struct private_add_data *pad = private_data;
1397 struct audio_format_info afhi, *afhi_ptr = NULL;
1398 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1399 struct osl_object map, obj = {.data = NULL}, query, result;
1400 char *path = NULL;
1401 HASH_TYPE hash[HASH_SIZE];
1402
1403 afhi.header_offset = 0;
1404 afhi.header_len = 0;
1405 ret = verify_path(arg, &path);
1406 if (ret < 0)
1407 goto out_free;
1408 query.data = path;
1409 query.size = strlen(path) + 1;
1410 ret = send_callback_request(path_brother_callback, &query, &result);
1411 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1412 goto out_free;
1413 if (ret >= 0) {
1414 pb = *(struct osl_row **)result.data;
1415 free(result.data);
1416 }
1417 ret = 1;
1418 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1419 if (pad->flags & ADD_FLAG_VERBOSE)
1420 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1421 goto out_free;
1422 }
1423 /* We still want to add this file. Compute its hash. */
1424 ret = mmap_full_file(path, O_RDONLY, &map);
1425 if (ret < 0)
1426 goto out_free;
1427 hash_function(map.data, map.size, hash);
1428
1429 /* Check whether database contains file with the same hash. */
1430 query.data = hash;
1431 query.size = HASH_SIZE;
1432 ret = send_callback_request(hash_sister_callback, &query, &result);
1433 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1434 goto out_free;
1435 if (ret >= 0) {
1436 hs = *(struct osl_row **)result.data;
1437 free(result.data);
1438 }
1439 /* Return success if we already know this file. */
1440 ret = 1;
1441 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1442 if (pad->flags & ADD_FLAG_VERBOSE)
1443 ret = send_va_buffer(pad->fd,
1444 "not forcing update: %s\n", path);
1445 goto out_unmap;
1446 }
1447 /*
1448 * we won't recalculate the audio format info and the chunk table if
1449 * there is a hash sister unless in FORCE mode.
1450 */
1451 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1452 ret = compute_afhi(path, map.data, map.size, &afhi);
1453 if (ret < 0)
1454 goto out_unmap;
1455 format_num = ret;
1456 afhi_ptr = &afhi;
1457 }
1458 if (pad->flags & ADD_FLAG_VERBOSE)
1459 send_va_buffer(pad->fd, "adding %s\n", path);
1460 munmap(map.data, map.size);
1461 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1462 /* Ask afs to consider this entry for adding. */
1463 ret = send_callback_request(com_add_callback, &obj, NULL);
1464 goto out_free;
1465
1466 out_unmap:
1467 munmap(map.data, map.size);
1468 out_free:
1469 if (ret < 0)
1470 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path?
1471 path : arg, PARA_STRERROR(-ret));
1472 free(obj.data);
1473 free(path);
1474 if (afhi_ptr)
1475 free(afhi_ptr->chunk_table);
1476 return 1; /* it's not an error if not all files could be added */
1477 }
1478
1479 int com_add(int fd, int argc, char * const * const argv)
1480 {
1481 int i, ret;
1482 struct private_add_data pad = {.fd = fd, .flags = 0};
1483 struct stat statbuf;
1484
1485 for (i = 1; i < argc; i++) {
1486 const char *arg = argv[i];
1487 if (arg[0] != '-')
1488 break;
1489 if (!strcmp(arg, "--")) {
1490 i++;
1491 break;
1492 }
1493 if (!strcmp(arg, "-l")) {
1494 pad.flags |= ADD_FLAG_LAZY;
1495 continue;
1496 }
1497 if (!strcmp(arg, "-f")) {
1498 pad.flags |= ADD_FLAG_FORCE;
1499 continue;
1500 }
1501 if (!strcmp(arg, "-v")) {
1502 pad.flags |= ADD_FLAG_VERBOSE;
1503 continue;
1504 }
1505 }
1506 if (argc <= i)
1507 return -E_AFT_SYNTAX;
1508 for (; i < argc; i++) {
1509 char *path = para_strdup(argv[i]);
1510 size_t len = strlen(path);
1511 while (len > 1 && path[--len] == '/')
1512 path[len] = '\0';
1513 ret = stat(path, &statbuf);
1514 if (ret < 0)
1515 PARA_NOTICE_LOG("failed to stat %s (%s)", path,
1516 strerror(errno));
1517 else
1518 if (S_ISDIR(statbuf.st_mode))
1519 for_each_file_in_dir(path, add_one_audio_file,
1520 &pad);
1521 else
1522 add_one_audio_file(path, &pad);
1523 free(path);
1524 }
1525 ret = 1;
1526 return ret;
1527
1528 }
1529
1530 struct com_touch_options {
1531 long num_played;
1532 long last_played;
1533 long lyrics_id;
1534 long image_id;
1535 };
1536
1537 static int com_touch_callback(const struct osl_object *query,
1538 __a_unused struct osl_object *result)
1539 {
1540 struct com_touch_options *cto = query->data;
1541 char *p = (char *)query->data + sizeof(*cto);
1542 size_t len;
1543 int ret, no_options = cto->num_played < 0 && cto->last_played < 0 &&
1544 cto->lyrics_id < 0 && cto->image_id < 0;
1545
1546 for (;p < (char *)query->data + query->size; p += len + 1) {
1547 struct afs_info old_afsi, new_afsi;
1548 struct osl_object obj;
1549 struct osl_row *row;
1550
1551 len = strlen(p);
1552 ret = aft_get_row_of_path(p, &row);
1553 if (ret < 0)
1554 return ret;
1555 ret = get_afsi_object_of_row(row, &obj);
1556 if (ret < 0)
1557 return ret;
1558 ret = load_afsi(&old_afsi, &obj);
1559 if (ret < 0)
1560 return ret;
1561 new_afsi = old_afsi;
1562 if (no_options) {
1563 new_afsi.num_played++;
1564 new_afsi.last_played = time(NULL);
1565 } else {
1566 if (cto->lyrics_id >= 0)
1567 new_afsi.lyrics_id = cto->lyrics_id;
1568 if (cto->image_id >= 0)
1569 new_afsi.image_id = cto->image_id;
1570 if (cto->num_played >= 0)
1571 new_afsi.num_played = cto->num_played;
1572 if (cto->last_played >= 0)
1573 new_afsi.last_played = cto->last_played;
1574 }
1575 save_afsi(&new_afsi, &obj); /* in-place update */
1576 ret = mood_update_audio_file(row, &old_afsi);
1577 if (ret < 0)
1578 return ret;
1579 }
1580 return 1;
1581 }
1582
1583 int com_touch(__a_unused int fd, int argc, char * const * const argv)
1584 {
1585 struct com_touch_options cto = {
1586 .num_played = -1,
1587 .last_played = -1,
1588 .lyrics_id = -1,
1589 .image_id = -1
1590 };
1591 struct osl_object options = {.data = &cto, .size = sizeof(cto)};
1592 int i, ret;
1593
1594
1595 for (i = 1; i < argc; i++) {
1596 const char *arg = argv[i];
1597 if (arg[0] != '-')
1598 break;
1599 if (!strcmp(arg, "--")) {
1600 i++;
1601 break;
1602 }
1603 if (!strncmp(arg, "-n", 2)) {
1604 ret = para_atol(arg + 2, &cto.num_played);
1605 if (ret < 0)
1606 goto err;
1607 continue;
1608 }
1609 if (!strncmp(arg, "-l", 2)) {
1610 ret = para_atol(arg + 2, &cto.last_played);
1611 if (ret < 0)
1612 goto err;
1613 continue;
1614 }
1615 if (!strncmp(arg, "-y", 2)) {
1616 ret = para_atol(arg + 2, &cto.lyrics_id);
1617 if (ret < 0)
1618 goto err;
1619 continue;
1620 }
1621 if (!strncmp(arg, "-i", 2)) {
1622 ret = para_atol(arg + 2, &cto.image_id);
1623 if (ret < 0)
1624 goto err;
1625 continue;
1626 }
1627 }
1628 ret = -E_AFT_SYNTAX;
1629 if (i >= argc)
1630 goto err;
1631 return send_option_arg_callback_request(&options, argc - i,
1632 argv + i, com_touch_callback, NULL);
1633 err:
1634 return ret;
1635 }
1636
1637 struct com_rm_options {
1638 uint32_t flags;
1639 };
1640
1641 static int com_rm_callback(const struct osl_object *query,
1642 __a_unused struct osl_object *result)
1643 {
1644 struct com_rm_options *cro = query->data;
1645 char *p = (char *)query->data + sizeof(*cro);
1646 size_t len;
1647 int ret;
1648
1649 for (;p < (char *)query->data + query->size; p += len + 1) {
1650 struct osl_row *row;
1651
1652 len = strlen(p);
1653 ret = aft_get_row_of_path(p, &row);
1654 if (ret < 0)
1655 return ret;
1656 ret = mood_delete_audio_file(row);
1657 if (ret < 0)
1658 return ret;
1659 ret = osl_del_row(audio_file_table, row);
1660 if (ret < 0)
1661 return ret;
1662 }
1663 return 1;
1664 }
1665
1666 /*
1667 * TODO options: -v verbose, -f dont stop if file not found
1668 * -h remove by hash, use fnmatch
1669 *
1670 * */
1671
1672 int com_afs_rm(__a_unused int fd, int argc, char * const * const argv)
1673 {
1674 struct com_rm_options cro = {.flags = 0};
1675 struct osl_object options = {.data = &cro, .size = sizeof(cro)};
1676 int i, ret;
1677
1678 for (i = 1; i < argc; i++) {
1679 const char *arg = argv[i];
1680 if (arg[0] != '-')
1681 break;
1682 if (!strcmp(arg, "--")) {
1683 i++;
1684 break;
1685 }
1686 }
1687 ret = -E_AFT_SYNTAX;
1688 if (i >= argc)
1689 goto err;
1690 return send_option_arg_callback_request(&options, argc - i,
1691 argv + i, com_rm_callback, NULL);
1692 err:
1693 return ret;
1694 }
1695
1696 /**
1697 * Close the audio file table.
1698 *
1699 * \param flags Ususal flags that are passed to osl_close_table().
1700 *
1701 * \sa osl_close_table().
1702 */
1703 void aft_shutdown(enum osl_close_flags flags)
1704 {
1705 osl_close_table(audio_file_table, flags);
1706 }
1707
1708 /**
1709 * Open the audio file table.
1710 *
1711 * \param ti Gets initialized by this function.
1712 * \param db The database directory.
1713 *
1714 * \return Positive on success, negative on errors.
1715 *
1716 * \sa osl_open_table().
1717 */
1718 int aft_init(struct table_info *ti, const char *db)
1719 {
1720 int ret;
1721
1722 audio_file_table_desc.dir = db;
1723 ti->desc = &audio_file_table_desc;
1724 ret = osl_open_table(ti->desc, &ti->table);
1725 if (ret >= 0) {
1726 unsigned num;
1727 audio_file_table = ti->table;
1728 osl_get_num_rows(audio_file_table, &num);
1729 PARA_INFO_LOG("audio file table contains %d files\n", num);
1730 return ret;
1731 }
1732 PARA_INFO_LOG("failed to open audio file table\n");
1733 audio_file_table = NULL;
1734 return ret == -E_NOENT? 1 : ret;
1735 }
paraslash - network audio streaming tools