423731f6b70e770f4b84924bbf9e3640b8e8ba51
[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_AFSI;
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 struct osl_row *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 static int get_hash_object_of_aft_row(const struct osl_row *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 struct osl_row *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 static int get_afhi_of_row(const struct osl_row *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 static int get_chunk_table_of_row(const struct osl_row *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 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
576 time_t current_time)
577 {
578 struct tm t;
579
580 if (!localtime_r((time_t *)seconds, &t))
581 return -E_LOCALTIME;
582 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
583 if (!strftime(buf, size, "%b %e %k:%M", &t))
584 return -E_STRFTIME;
585 return 1;
586 }
587 if (!strftime(buf, size, "%b %e %Y", &t))
588 return -E_STRFTIME;
589 return 1;
590 }
591
592 #define GET_NUM_DIGITS(x, num) { \
593 typeof((x)) _tmp = PARA_ABS(x); \
594 *num = 1; \
595 if ((x)) \
596 while ((_tmp) > 9) { \
597 (_tmp) /= 10; \
598 (*num)++; \
599 } \
600 }
601
602 static short unsigned get_duration_width(int seconds)
603 {
604 short unsigned width;
605 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
606
607 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
608 return 4 + (mins > 9);
609 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
610 GET_NUM_DIGITS(hours, &width);
611 return width + 6;
612 }
613
614 static void get_duration_buf(int seconds, char *buf, short unsigned max_width)
615 {
616 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
617
618 if (!hours) /* m:ss or mm:ss */
619 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
620 else /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
621 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
622 seconds % 60);
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, time_t current_time)
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), current_time);
675 if (ret < 0)
676 return ret;
677 get_duration_buf(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 PARA_NOTICE_LOG("id: %s, %d\n", d->path, afsi->audio_format_id);
686 if (opts->mode == LS_MODE_LONG) {
687 para_printf(b,
688 "%s" /* score */
689 "%s " /* attributes */
690 "%*d " /* image_id */
691 "%*d " /* lyrics_id */
692 "%*d " /* bitrate */
693 "%s " /* audio format */
694 "%*d " /* frequency */
695 "%d " /* channels */
696 "%s " /* duration */
697 "%*d " /* num_played */
698 "%s " /* last_played */
699 "%s\n", /* path */
700 score_buf,
701 att_buf,
702 w->image_id_width, afsi->image_id,
703 w->lyrics_id_width, afsi->lyrics_id,
704 w->bitrate_width, afhi->bitrate,
705 audio_format_name(afsi->audio_format_id),
706 w->frequency_width, afhi->frequency,
707 afhi->channels,
708 duration_buf,
709 w->num_played_width, afsi->num_played,
710 last_played_time,
711 d->path
712 );
713 return 1;
714 }
715 if (opts->mode == LS_MODE_VERBOSE) {
716 char asc_hash[2 * HASH_SIZE + 1];
717 char *att_line, *lyrics_line, *image_line;
718
719 hash_to_asc(d->hash, asc_hash);
720 att_line = make_attribute_line(att_buf, afsi);
721 lyrics_line = make_lyrics_line(afsi);
722 image_line = make_image_line(afsi);
723 para_printf(b,
724 "%s: %s\n" /* path */
725 "%s%s%s" /* score */
726 "attributes: %s\n"
727 "hash: %s\n"
728 "image_id: %s\n"
729 "lyrics_id: %s\n"
730 "bitrate: %dkbit/s\n"
731 "format: %s\n"
732 "frequency: %dHz\n"
733 "channels: %d\n"
734 "duration: %s\n"
735 "num_played: %d\n"
736 "last_played: %s\n\n",
737 (opts->flags & LS_FLAG_FULL_PATH)?
738 "path" : "file", d->path,
739 have_score? "score: " : "", score_buf,
740 have_score? "\n" : "",
741 att_line,
742 asc_hash,
743 image_line,
744 lyrics_line,
745 afhi->bitrate,
746 audio_format_name(afsi->audio_format_id),
747 afhi->frequency,
748 afhi->channels,
749 duration_buf,
750 afsi->num_played,
751 last_played_time
752 );
753 free(att_line);
754 free(lyrics_line);
755 free(image_line);
756 return 1;
757 }
758 return 1;
759 }
760
761 static int ls_audio_format_compare(const void *a, const void *b)
762 {
763 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
764 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
765 }
766
767 static int ls_duration_compare(const void *a, const void *b)
768 {
769 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
770 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
771 }
772
773 static int ls_bitrate_compare(const void *a, const void *b)
774 {
775 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
776 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
777 }
778
779 static int ls_lyrics_id_compare(const void *a, const void *b)
780 {
781 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
782 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
783 }
784
785 static int ls_image_id_compare(const void *a, const void *b)
786 {
787 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
788 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
789 }
790
791 static int ls_channels_compare(const void *a, const void *b)
792 {
793 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
794 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
795 }
796
797 static int ls_frequency_compare(const void *a, const void *b)
798 {
799 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
800 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
801 }
802
803 static int ls_num_played_compare(const void *a, const void *b)
804 {
805 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
806 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
807 }
808
809 static int ls_last_played_compare(const void *a, const void *b)
810 {
811 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
812 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
813 }
814
815 static int ls_score_compare(const void *a, const void *b)
816 {
817 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
818 return NUM_COMPARE(d1->score, d2->score);
819 }
820
821 static int ls_path_compare(const void *a, const void *b)
822 {
823 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
824 return strcmp(d1->path, d2->path);
825 }
826
827 static int sort_matching_paths(struct ls_options *options)
828 {
829 size_t nmemb = options->num_matching_paths;
830 size_t size = sizeof(*options->data_ptr);
831 int (*compar)(const void *, const void *);
832 int i;
833
834 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
835 for (i = 0; i < nmemb; i++)
836 options->data_ptr[i] = options->data + i;
837
838 /* In these cases the array is already sorted */
839 if (options->sorting == LS_SORT_BY_PATH
840 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
841 && (options->flags & LS_FLAG_FULL_PATH))
842 return 1;
843 if (options->sorting == LS_SORT_BY_SCORE &&
844 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
845 return 1;
846
847 switch (options->sorting) {
848 case LS_SORT_BY_PATH:
849 compar = ls_path_compare; break;
850 case LS_SORT_BY_SCORE:
851 compar = ls_score_compare; break;
852 case LS_SORT_BY_LAST_PLAYED:
853 compar = ls_last_played_compare; break;
854 case LS_SORT_BY_NUM_PLAYED:
855 compar = ls_num_played_compare; break;
856 case LS_SORT_BY_FREQUENCY:
857 compar = ls_frequency_compare; break;
858 case LS_SORT_BY_CHANNELS:
859 compar = ls_channels_compare; break;
860 case LS_SORT_BY_IMAGE_ID:
861 compar = ls_image_id_compare; break;
862 case LS_SORT_BY_LYRICS_ID:
863 compar = ls_lyrics_id_compare; break;
864 case LS_SORT_BY_BITRATE:
865 compar = ls_bitrate_compare; break;
866 case LS_SORT_BY_DURATION:
867 compar = ls_duration_compare; break;
868 case LS_SORT_BY_AUDIO_FORMAT:
869 compar = ls_audio_format_compare; break;
870 default:
871 return -E_BAD_SORT;
872 }
873 qsort(options->data_ptr, nmemb, size, compar);
874 return 1;
875 }
876
877 /* row is either an aft_row or a row of the score table */
878 /* TODO: Only compute widths if we need them */
879 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
880 {
881 int ret, i;
882 struct ls_options *options = ls_opts;
883 struct ls_data *d;
884 struct ls_widths *w;
885 unsigned short num_digits;
886 unsigned tmp;
887 struct osl_row *aft_row;
888 long score;
889 char *path;
890
891 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
892 ret = get_score_and_aft_row(row, &score, &aft_row);
893 if (ret < 0)
894 return ret;
895 } else
896 aft_row = row;
897 ret = get_audio_file_path_of_row(aft_row, &path);
898 if (ret < 0)
899 return ret;
900 if (!(options->flags & LS_FLAG_FULL_PATH)) {
901 char *p = strrchr(path, '/');
902 if (p)
903 path = p + 1;
904 }
905 if (options->num_patterns) {
906 for (i = 0; i < options->num_patterns; i++) {
907 ret = fnmatch(options->patterns[i], path, FNM_PATHNAME);
908 if (!ret)
909 break;
910 if (ret == FNM_NOMATCH)
911 continue;
912 return -E_FNMATCH;
913 }
914 if (i >= options->num_patterns) /* no match */
915 return 1;
916 }
917 tmp = options->num_matching_paths++;
918 if (options->num_matching_paths > options->array_size) {
919 options->array_size++;
920 options->array_size *= 2;
921 options->data = para_realloc(options->data, options->array_size
922 * sizeof(*options->data));
923 }
924 d = options->data + tmp;
925 ret = get_afsi_of_row(aft_row, &d->afsi);
926 if (ret < 0)
927 return ret;
928 ret = get_afhi_of_row(aft_row, &d->afhi);
929 if (ret < 0)
930 return ret;
931 d->path = path;
932 ret = get_hash_of_row(aft_row, &d->hash);
933 if (ret < 0)
934 return ret;
935 w = &options->widths;
936 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
937 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
938 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
939 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
940 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
941 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
942 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
943 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
944 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
945 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
946 /* get the number of chars to print this amount of time */
947 tmp = get_duration_width(d->afhi.seconds_total);
948 w->duration_width = PARA_MAX(w->duration_width, tmp);
949 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
950 GET_NUM_DIGITS(score, &num_digits);
951 num_digits++; /* add one for the sign (space or "-") */
952 w->score_width = PARA_MAX(w->score_width, num_digits);
953 d->score = score;
954 }
955 return 1;
956 }
957
958 static int com_ls_callback(const struct osl_object *query,
959 struct osl_object *ls_output)
960 {
961 struct ls_options *opts = query->data;
962 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
963 struct para_buffer b = {.buf = NULL, .size = 0};
964 int i = 0, ret;
965 time_t current_time;
966
967
968 PARA_NOTICE_LOG("%d patterns\n", opts->num_patterns);
969 if (opts->num_patterns) {
970 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
971 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
972 opts->patterns[i] = p;
973 p += strlen(p) + 1;
974 PARA_NOTICE_LOG("pattern %d: %s\n", i, opts->patterns[i]);
975 }
976 } else
977 opts->patterns = NULL;
978 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
979 ret = admissible_file_loop(opts, prepare_ls_row);
980 else
981 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
982 prepare_ls_row);
983 if (ret < 0)
984 goto out;
985 ret = opts->num_patterns? -E_NO_MATCH : 0;
986 if (!opts->num_matching_paths) {
987 PARA_NOTICE_LOG("no match, ret: %d\n", ret);
988 goto out;
989 }
990 ret = sort_matching_paths(opts);
991 if (ret < 0)
992 goto out;
993 time(&current_time);
994 if (opts->flags & LS_FLAG_REVERSE)
995 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
996 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
997 if (ret < 0)
998 break;
999 }
1000 else
1001 for (i = 0; i < opts->num_matching_paths; i++) {
1002 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1003 if (ret < 0)
1004 break;
1005 }
1006 ret = 1;
1007 out:
1008 ls_output->data = b.buf;
1009 PARA_NOTICE_LOG("ls_outoute.data: %p\n", ls_output->data);
1010 ls_output->size = b.size;
1011 free(opts->data);
1012 free(opts->data_ptr);
1013 free(opts->patterns);
1014 return ret;
1015 }
1016
1017 /*
1018 * TODO: flags -h (sort by hash) -lm (list in mbox format)
1019 *
1020 * long list: list hash, attributes as (xx--x-x-), file size, lastplayed
1021 * full list: list everything, including afsi, afhi, atts as clear text
1022 *
1023 * */
1024 int com_afs_ls(int fd, int argc, char * const * const argv)
1025 {
1026 int i, ret;
1027 unsigned flags = 0;
1028 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1029 enum ls_listing_mode mode = LS_MODE_SHORT;
1030 struct ls_options opts = {.patterns = NULL};
1031 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1032 ls_output;
1033
1034 for (i = 1; i < argc; i++) {
1035 const char *arg = argv[i];
1036 if (arg[0] != '-')
1037 break;
1038 if (!strcmp(arg, "--")) {
1039 i++;
1040 break;
1041 }
1042 if (!strncmp(arg, "-l", 2)) {
1043 if (!*(arg + 2)) {
1044 mode = LS_MODE_LONG;
1045 continue;
1046 }
1047 if (*(arg + 3))
1048 return -E_AFT_SYNTAX;
1049 switch(*(arg + 2)) {
1050 case 's':
1051 mode = LS_MODE_SHORT;
1052 continue;
1053 case 'l':
1054 mode = LS_MODE_LONG;
1055 continue;
1056 case 'v':
1057 mode = LS_MODE_VERBOSE;
1058 continue;
1059 case 'm':
1060 mode = LS_MODE_MBOX;
1061 continue;
1062 default:
1063 return -E_AFT_SYNTAX;
1064 }
1065 }
1066 if (!strcmp(arg, "-p")) {
1067 flags |= LS_FLAG_FULL_PATH;
1068 continue;
1069 }
1070 if (!strcmp(arg, "-a")) {
1071 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1072 continue;
1073 }
1074 if (!strcmp(arg, "-r")) {
1075 flags |= LS_FLAG_REVERSE;
1076 continue;
1077 }
1078 if (!strncmp(arg, "-s", 2)) {
1079 if (!*(arg + 2) || *(arg + 3))
1080 return -E_AFT_SYNTAX;
1081 switch(*(arg + 2)) {
1082 case 'p':
1083 sort = LS_SORT_BY_PATH;
1084 continue;
1085 case 's': /* -ss implies -a */
1086 sort = LS_SORT_BY_SCORE;
1087 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1088 continue;
1089 case 'l':
1090 sort = LS_SORT_BY_LAST_PLAYED;
1091 continue;
1092 case 'n':
1093 sort = LS_SORT_BY_NUM_PLAYED;
1094 continue;
1095 case 'f':
1096 sort = LS_SORT_BY_FREQUENCY;
1097 continue;
1098 case 'c':
1099 sort = LS_SORT_BY_CHANNELS;
1100 continue;
1101 case 'i':
1102 sort = LS_SORT_BY_IMAGE_ID;
1103 continue;
1104 case 'y':
1105 sort = LS_SORT_BY_LYRICS_ID;
1106 continue;
1107 case 'b':
1108 sort = LS_SORT_BY_BITRATE;
1109 continue;
1110 case 'd':
1111 sort = LS_SORT_BY_DURATION;
1112 continue;
1113 case 'a':
1114 sort = LS_SORT_BY_AUDIO_FORMAT;
1115 continue;
1116 default:
1117 return -E_AFT_SYNTAX;
1118 }
1119 }
1120 return -E_AFT_SYNTAX;
1121 }
1122 opts.flags = flags;
1123 opts.sorting = sort;
1124 opts.mode = mode;
1125 opts.num_patterns = argc - i;
1126 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1127 argv + i, com_ls_callback, &ls_output);
1128 if (ret > 0) {
1129 ret = send_buffer(fd, (char *)ls_output.data);
1130 free(ls_output.data);
1131 }
1132 return ret;
1133 }
1134
1135 /**
1136 * Call the given function for each file in the audio file table.
1137 *
1138 * \param private_data An arbitrary data pointer, passed to \a func.
1139 * \param func The custom function to be called.
1140 *
1141 * \return The return value of the underlying call to osl_rbtree_loop().
1142 */
1143 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1144 {
1145 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1146 func);
1147 }
1148
1149 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1150 {
1151 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1152 struct osl_row *row;
1153
1154 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1155 return row;
1156 }
1157
1158 enum aft_row_offsets {
1159 AFTROW_AFHI_OFFSET_POS = 0,
1160 AFTROW_CHUNKS_OFFSET_POS = 2,
1161 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1162 AFTROW_FLAGS_OFFSET = 5,
1163 AFTROW_HASH_OFFSET = 9,
1164 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1165 };
1166
1167 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1168 * In this case, afhi won't be stored in the buffer */
1169 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1170 struct audio_format_info *afhi, uint32_t flags,
1171 uint8_t audio_format_num, struct osl_object *obj)
1172 {
1173 size_t path_len = strlen(path) + 1;
1174 size_t afhi_size = sizeof_afhi_buf(afhi);
1175 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1176 + sizeof_chunk_info_buf(afhi);
1177 char *buf = para_malloc(size);
1178 uint16_t pos;
1179
1180 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1181 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1182
1183 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1184 strcpy(buf + AFTROW_PATH_OFFSET, path);
1185
1186 pos = AFTROW_PATH_OFFSET + path_len;
1187 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1188 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1189 pos + afhi_size - 1);
1190 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1191 save_afhi(afhi, buf + pos);
1192
1193 pos += afhi_size;
1194 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1195 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1196 save_chunk_info(afhi, buf + pos);
1197 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1198 obj->data = buf;
1199 obj->size = size;
1200 }
1201
1202 /*
1203 input:
1204 ~~~~~~
1205 HS: hash sister
1206 PB: path brother
1207 F: force flag given
1208
1209 output:
1210 ~~~~~~~
1211 AFHI: whether afhi and chunk table are computed and sent
1212 ACTION: table modifications to be performed
1213
1214 +---+----+-----+------+---------------------------------------------------+
1215 | HS | PB | F | AFHI | ACTION
1216 +---+----+-----+------+---------------------------------------------------+
1217 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1218 | | update path, keep afsi
1219 +---+----+-----+------+---------------------------------------------------+
1220 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1221 | | otherwise: remove PB, HS: update path, keep afhi,
1222 | | afsi.
1223 +---+----+-----+------+---------------------------------------------------+
1224 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1225 | | HS, keep afsi
1226 +---+----+-----+------+---------------------------------------------------+
1227 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1228 +---+----+-----+------+---------------------------------------------------+
1229 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1230 | | (force has no effect)
1231 +---+----+-----+------+---------------------------------------------------+
1232 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1233 +---+----+-----+------+---------------------------------------------------+
1234 | N | N | Y | Y | (new file) create new entry (force has no effect)
1235 +---+----+-----+------+---------------------------------------------------+
1236 | N | N | N | Y | (new file) create new entry
1237 +---+----+-----+------+---------------------------------------------------+
1238
1239 afhi <=> force or no HS
1240
1241 */
1242
1243
1244 #define ADD_FLAG_LAZY 1
1245 #define ADD_FLAG_FORCE 2
1246 #define ADD_FLAG_VERBOSE 4
1247
1248 /* TODO: change log messages so that they get written to the result buffer */
1249
1250 static int com_add_callback(const struct osl_object *query,
1251 __a_unused struct osl_object *result)
1252 {
1253 char *buf = query->data, *path;
1254 struct osl_row *pb, *aft_row;
1255 const struct osl_row *hs;
1256 struct osl_object objs[NUM_AFT_COLUMNS];
1257 HASH_TYPE *hash;
1258 char asc[2 * HASH_SIZE + 1];
1259 int ret;
1260 char afsi_buf[AFSI_SIZE];
1261 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1262 struct afs_info default_afsi = {.last_played = 0};
1263
1264 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1265 hash_to_asc(hash, asc);;
1266 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1267 objs[AFTCOL_HASH].size = HASH_SIZE;
1268
1269 path = buf + AFTROW_PATH_OFFSET;
1270 objs[AFTCOL_PATH].data = path;
1271 objs[AFTCOL_PATH].size = strlen(path) + 1;
1272
1273 PARA_INFO_LOG("request to add %s\n", path);
1274 hs = find_hash_sister(hash);
1275 ret = aft_get_row_of_path(path, &pb);
1276 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1277 return ret;
1278 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1279 if (flags & ADD_FLAG_VERBOSE)
1280 PARA_NOTICE_LOG("ignoring duplicate %p\n", path);
1281 return 1;
1282 }
1283 if (hs && hs != pb) {
1284 struct osl_object obj;
1285 if (pb) { /* hs trumps pb, remove pb */
1286 if (flags & ADD_FLAG_VERBOSE)
1287 PARA_NOTICE_LOG("removing path brother\n");
1288 ret = osl_del_row(audio_file_table, pb);
1289 if (ret < 0)
1290 return ret;
1291 pb = NULL;
1292 }
1293 /* file rename, update hs' path */
1294 ret = osl_get_object(audio_file_table, hs, AFTCOL_PATH, &obj);
1295 if (flags & ADD_FLAG_VERBOSE)
1296 PARA_NOTICE_LOG("rename %s -> %s\n", (char *)obj.data, path);
1297 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1298 &objs[AFTCOL_PATH]);
1299 if (ret < 0)
1300 return ret;
1301 if (!(flags & ADD_FLAG_FORCE))
1302 return ret;
1303 }
1304 /* no hs or force mode, child must have sent afhi */
1305 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1306 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1307
1308 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1309 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1310 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1311 return -E_NO_AFHI;
1312 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1313 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1314 if (pb && !hs) { /* update pb's hash */
1315 char old_asc[2 * HASH_SIZE + 1];
1316 HASH_TYPE *old_hash;
1317 ret = get_hash_of_row(pb, &old_hash);
1318 if (ret < 0)
1319 return ret;
1320 hash_to_asc(old_hash, old_asc);
1321 if (flags & ADD_FLAG_VERBOSE)
1322 PARA_NOTICE_LOG("file change: %s %s -> %s\n", path,
1323 old_asc, asc);
1324 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1325 &objs[AFTCOL_HASH]);
1326 if (ret < 0)
1327 return ret;
1328 }
1329 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1330 const struct osl_row *row = pb? pb : hs;
1331 /* update afhi and chunk_table */
1332 if (flags & ADD_FLAG_VERBOSE)
1333 PARA_DEBUG_LOG("updating audio format handler info (%zd bytes)\n",
1334 objs[AFTCOL_AFHI].size);
1335 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1336 &objs[AFTCOL_AFHI]);
1337 if (ret < 0)
1338 return ret;
1339 if (flags & ADD_FLAG_VERBOSE)
1340 PARA_DEBUG_LOG("updating chunk table\n");
1341 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1342 &objs[AFTCOL_CHUNKS]);
1343 if (ret < 0)
1344 return ret;
1345 return mood_update_audio_file(row, NULL);
1346 }
1347 /* new entry, use default afsi */
1348 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1349 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1350
1351 objs[AFTCOL_AFSI].data = &afsi_buf;
1352 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1353 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1354 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1355 if (ret < 0)
1356 return ret;
1357 return mood_update_audio_file(aft_row, NULL);
1358 }
1359
1360 struct private_add_data {
1361 int fd;
1362 uint32_t flags;
1363 };
1364
1365 static int path_brother_callback(const struct osl_object *query,
1366 struct osl_object *result)
1367 {
1368 char *path = query->data;
1369 struct osl_row *path_brother;
1370 int ret = aft_get_row_of_path(path, &path_brother);
1371 if (ret < 0)
1372 return ret;
1373 result->data = para_malloc(sizeof(path_brother));
1374 result->size = sizeof(path_brother);
1375 *(struct osl_row **)(result->data) = path_brother;
1376 return 1;
1377 }
1378
1379 static int hash_sister_callback(const struct osl_object *query,
1380 struct osl_object *result)
1381 {
1382 HASH_TYPE *hash = query->data;
1383 struct osl_row *hash_sister;
1384
1385 hash_sister = find_hash_sister(hash);
1386 if (!hash_sister)
1387 return -E_RB_KEY_NOT_FOUND;
1388 result->data = para_malloc(sizeof(hash_sister));
1389 result->size = sizeof(hash_sister);
1390 *(struct osl_row **)(result->data) = hash_sister;
1391 return 1;
1392 }
1393
1394 static int add_one_audio_file(const char *arg, const void *private_data)
1395 {
1396 int ret;
1397 uint8_t format_num = -1;
1398 const struct private_add_data *pad = private_data;
1399 struct audio_format_info afhi, *afhi_ptr = NULL;
1400 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1401 struct osl_object map, obj = {.data = NULL}, query, result;
1402 char *path = NULL;
1403 HASH_TYPE hash[HASH_SIZE];
1404
1405 afhi.header_offset = 0;
1406 afhi.header_len = 0;
1407 ret = verify_path(arg, &path);
1408 if (ret < 0)
1409 goto out_free;
1410 query.data = path;
1411 query.size = strlen(path) + 1;
1412 ret = send_callback_request(path_brother_callback, &query, &result);
1413 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1414 goto out_free;
1415 if (ret >= 0) {
1416 pb = *(struct osl_row **)result.data;
1417 free(result.data);
1418 }
1419 ret = 1;
1420 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1421 if (pad->flags & ADD_FLAG_VERBOSE)
1422 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1423 goto out_free;
1424 }
1425 /* We still want to add this file. Compute its hash. */
1426 ret = mmap_full_file(path, O_RDONLY, &map);
1427 if (ret < 0)
1428 goto out_free;
1429 hash_function(map.data, map.size, hash);
1430
1431 /* Check whether database contains file with the same hash. */
1432 query.data = hash;
1433 query.size = HASH_SIZE;
1434 ret = send_callback_request(hash_sister_callback, &query, &result);
1435 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1436 goto out_free;
1437 if (ret >= 0) {
1438 hs = *(struct osl_row **)result.data;
1439 free(result.data);
1440 }
1441 /* Return success if we already know this file. */
1442 ret = 1;
1443 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1444 if (pad->flags & ADD_FLAG_VERBOSE)
1445 ret = send_va_buffer(pad->fd,
1446 "not forcing update: %s\n", path);
1447 goto out_unmap;
1448 }
1449 /*
1450 * we won't recalculate the audio format info and the chunk table if
1451 * there is a hash sister unless in FORCE mode.
1452 */
1453 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1454 ret = compute_afhi(path, map.data, map.size, &afhi);
1455 if (ret < 0)
1456 goto out_unmap;
1457 format_num = ret;
1458 afhi_ptr = &afhi;
1459 }
1460 if (pad->flags & ADD_FLAG_VERBOSE)
1461 send_va_buffer(pad->fd, "adding %s\n", path);
1462 munmap(map.data, map.size);
1463 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1464 /* Ask afs to consider this entry for adding. */
1465 ret = send_callback_request(com_add_callback, &obj, NULL);
1466 goto out_free;
1467
1468 out_unmap:
1469 munmap(map.data, map.size);
1470 out_free:
1471 if (ret < 0)
1472 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path?
1473 path : arg, PARA_STRERROR(-ret));
1474 free(obj.data);
1475 free(path);
1476 if (afhi_ptr)
1477 free(afhi_ptr->chunk_table);
1478 return 1; /* it's not an error if not all files could be added */
1479 }
1480
1481 int com_add(int fd, int argc, char * const * const argv)
1482 {
1483 int i, ret;
1484 struct private_add_data pad = {.fd = fd, .flags = 0};
1485 struct stat statbuf;
1486
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 audio_file_table = NULL;
1709 }
1710
1711 /**
1712 * Open the audio file table.
1713 *
1714 * \param ti Gets initialized by this function.
1715 * \param db The database directory.
1716 *
1717 * \return Positive on success, negative on errors.
1718 *
1719 * \sa osl_open_table().
1720 */
1721 int aft_init(struct table_info *ti, const char *db)
1722 {
1723 int ret;
1724
1725 audio_file_table_desc.dir = db;
1726 ti->desc = &audio_file_table_desc;
1727 ret = osl_open_table(ti->desc, &ti->table);
1728 if (ret >= 0) {
1729 unsigned num;
1730 audio_file_table = ti->table;
1731 osl_get_num_rows(audio_file_table, &num);
1732 PARA_INFO_LOG("audio file table contains %d files\n", num);
1733 return ret;
1734 }
1735 PARA_INFO_LOG("failed to open audio file table\n");
1736 audio_file_table = NULL;
1737 return ret == -E_NOENT? 1 : ret;
1738 }