866f269f0081219f012e60374cb466c7e64fcd1e
[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
10 int mp3_get_file_info(char *map, size_t numbytes,
11 struct audio_format_info *afi); /* FXIME */
12
13 #define AFS_AUDIO_FILE_DIR "/home/mp3"
14
15 static void *audio_file_table;
16
17 /**
18 * Describes the structure of the mmapped-afs info struct.
19 *
20 * \sa struct afs_info.
21 */
22 enum afsi_offsets {
23 /** Where .last_played is stored. */
24 AFSI_LAST_PLAYED_OFFSET = 0,
25 /** Storage position of the attributes bitmap. */
26 AFSI_ATTRIBUTES_OFFSET = 8,
27 /** Storage position of the .num_played field. */
28 AFSI_NUM_PLAYED_OFFSET = 16,
29 /** Storage position of the .image_id field. */
30 AFSI_IMAGE_ID_OFFSET = 20,
31 /** Storage position of the .lyrics_id field. */
32 AFSI_LYRICS_ID_OFFSET = 24,
33 /** Storage position of the .audio_format_id field. */
34 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
35 /** On-disk storage space needed. */
36 AFSI_SIZE = 29
37 };
38
39 /**
40 * Convert a struct afs_info to an osl object.
41 *
42 * \param afsi Pointer to the audio file info to be converted.
43 * \param obj Result pointer.
44 *
45 * \sa load_afsi().
46 */
47 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
48 {
49 struct afs_info default_afs_info = {
50 .last_played = time(NULL) - 365 * 24 * 60 * 60,
51 .attributes = 0,
52 .num_played = 0,
53 .image_id = 0,
54 .lyrics_id = 0,
55 .audio_format_id = 5, /* FIXME */
56 };
57 char *buf = obj->data;
58
59 if (!afsi)
60 afsi = &default_afs_info;
61
62 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
63 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
64 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
65 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
66 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
67 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
68 afsi->audio_format_id);
69 }
70
71 /**
72 * Get the audio file selector info struct stored in an osl object.
73 *
74 * \param afsi Points to the audio_file info structure to be filled in.
75 * \param obj The osl object holding the data.
76 *
77 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
78 *
79 * \sa save_afsi().
80 */
81 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
82 {
83 char *buf = obj->data;
84 if (obj->size < AFSI_SIZE)
85 return -E_BAD_AFS;
86 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
87 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
88 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
89 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
90 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
91 afsi->audio_format_id = read_u8(buf +
92 AFSI_AUDIO_FORMAT_ID_OFFSET);
93 return 1;
94 }
95
96 /** The columns of the audio file table. */
97 enum audio_file_table_columns {
98 /** The hash on the content of the audio file. */
99 AFTCOL_HASH,
100 /** The full path in the filesystem. */
101 AFTCOL_PATH,
102 /** The audio file selector info. */
103 AFTCOL_AFSI,
104 /** The audio format handler info. */
105 AFTCOL_AFHI,
106 /** The chunk table info and the chunk table of the audio file. */
107 AFTCOL_CHUNKS,
108 /** The number of columns of this table. */
109 NUM_AFT_COLUMNS
110 };
111
112 static struct osl_column_description aft_cols[] = {
113 [AFTCOL_HASH] = {
114 .storage_type = OSL_MAPPED_STORAGE,
115 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
116 .name = "hash",
117 .compare_function = osl_hash_compare,
118 .data_size = HASH_SIZE
119 },
120 [AFTCOL_PATH] = {
121 .storage_type = OSL_MAPPED_STORAGE,
122 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
123 .name = "path",
124 .compare_function = string_compare,
125 },
126 [AFTCOL_AFSI] = {
127 .storage_type = OSL_MAPPED_STORAGE,
128 .storage_flags = OSL_FIXED_SIZE,
129 .name = "afs_info",
130 .data_size = AFSI_SIZE
131 },
132 [AFTCOL_AFHI] = {
133 .storage_type = OSL_MAPPED_STORAGE,
134 .name = "afh_info",
135 },
136 [AFTCOL_CHUNKS] = {
137 .storage_type = OSL_DISK_STORAGE,
138 .name = "chunks",
139 }
140 };
141
142 static const struct osl_table_description audio_file_table_desc = {
143 .dir = DATABASE_DIR,
144 .name = "audio_files",
145 .num_columns = NUM_AFT_COLUMNS,
146 .flags = OSL_LARGE_TABLE,
147 .column_descriptions = aft_cols
148 };
149
150 static char *prefix_path(const char *prefix, int len, const char *path)
151 {
152 int speclen;
153 char *n;
154
155 for (;;) {
156 char c;
157 if (*path != '.')
158 break;
159 c = path[1];
160 /* "." */
161 if (!c) {
162 path++;
163 break;
164 }
165 /* "./" */
166 if (c == '/') {
167 path += 2;
168 continue;
169 }
170 if (c != '.')
171 break;
172 c = path[2];
173 if (!c)
174 path += 2;
175 else if (c == '/')
176 path += 3;
177 else
178 break;
179 /* ".." and "../" */
180 /* Remove last component of the prefix */
181 do {
182 if (!len)
183 return NULL;
184 len--;
185 } while (len && prefix[len-1] != '/');
186 continue;
187 }
188 if (!len)
189 return para_strdup(path);
190 speclen = strlen(path);
191 n = para_malloc(speclen + len + 1);
192 memcpy(n, prefix, len);
193 memcpy(n + len, path, speclen+1);
194 return n;
195 }
196
197 /*
198 * We fundamentally don't like some paths: we don't want
199 * dot or dot-dot anywhere.
200 *
201 * Also, we don't want double slashes or slashes at the
202 * end that can make pathnames ambiguous.
203 */
204 static int verify_dotfile(const char *rest)
205 {
206 /*
207 * The first character was '.', but that has already been discarded, we
208 * now test the rest.
209 */
210 switch (*rest) {
211 /* "." is not allowed */
212 case '\0': case '/':
213 return 1;
214
215 case '.':
216 if (rest[1] == '\0' || rest[1] == '/')
217 return -1;
218 }
219 return 1;
220 }
221
222 static int verify_path(const char *path, char **resolved_path)
223 {
224 const char *orig_path = path;
225 char c;
226 const char prefix[] = AFS_AUDIO_FILE_DIR "/";
227 const size_t prefix_len = strlen(prefix);
228
229 PARA_DEBUG_LOG("path: %s\n", path);
230 c = *path++;
231 if (!c)
232 return -E_BAD_PATH;
233 while (c) {
234 if (c == '/') {
235 c = *path++;
236 switch (c) {
237 default:
238 continue;
239 case '/': case '\0':
240 break;
241 case '.':
242 if (verify_dotfile(path) > 0)
243 continue;
244 }
245 *resolved_path = NULL;
246 return -E_BAD_PATH;
247 }
248 c = *path++;
249 }
250 if (*orig_path == '/')
251 *resolved_path = prefix_path("", 0, orig_path);
252 else
253 *resolved_path = prefix_path(prefix, prefix_len, orig_path);
254 PARA_DEBUG_LOG("resolved: %s\n", *resolved_path);
255 return *resolved_path? 1: -E_BAD_PATH;
256 }
257
258 enum afhi_offsets {
259 AFHI_SECONDS_TOTAL_OFFSET = 0,
260 AFHI_BITRATE_OFFSET = 4,
261 AFHI_FREQUENCY_OFFSET = 8,
262 AFHI_CHANNELS_OFFSET = 12,
263 AFHI_INFO_STRING_OFFSET = 13,
264 MIN_AFHI_SIZE = 14
265 };
266
267 static unsigned sizeof_afhi_buf(const struct audio_format_info *afhi)
268 {
269 if (!afhi)
270 return 0;
271 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
272 }
273
274 static void save_afhi(struct audio_format_info *afhi, char *buf)
275 {
276 if (!afhi)
277 return;
278 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
279 afhi->seconds_total);
280 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
281 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
282 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
283 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
284 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
285 }
286
287 static void load_afhi(const char *buf, struct audio_format_info *afhi)
288 {
289 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
290 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
291 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
292 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
293 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
294 }
295
296 static unsigned sizeof_chunk_info_buf(struct audio_format_info *afhi)
297 {
298 if (!afhi)
299 return 0;
300 return 4 * afhi->chunks_total + 20;
301
302 }
303
304 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
305 enum chunk_info_offsets {
306 /** The total number of chunks (4 bytes). */
307 CHUNKS_TOTAL_OFFSET = 0,
308 /** The length of the audio file header (4 bytes). */
309 HEADER_LEN_OFFSET = 4,
310 /** The start of the audio file header (4 bytes). */
311 HEADER_OFFSET_OFFSET = 8,
312 /** The seconds part of the chunk time (4 bytes). */
313 CHUNK_TV_TV_SEC_OFFSET = 12,
314 /** The microseconds part of the chunk time (4 bytes). */
315 CHUNK_TV_TV_USEC = 16,
316 /** Chunk table entries start here. */
317 CHUNK_TABLE_OFFSET = 20,
318 };
319
320 /* TODO: audio format handlers could just produce this */
321 static void save_chunk_info(struct audio_format_info *afhi, char *buf)
322 {
323 int i;
324
325 if (!afhi)
326 return;
327 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
328 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
329 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
330 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
331 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
332 for (i = 0; i < afhi->chunks_total; i++)
333 write_u32(buf + CHUNK_TABLE_OFFSET + 4 * i, afhi->chunk_table[i]);
334 }
335
336 static int load_chunk_info(struct osl_object *obj, struct audio_format_info *afhi)
337 {
338 char *buf = obj->data;
339 int i;
340
341 if (obj->size < CHUNK_TABLE_OFFSET)
342 return -E_BAD_DATA_SIZE;
343
344 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
345 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
346 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
347 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
348 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
349
350 if (afhi->chunks_total * 4 + CHUNK_TABLE_OFFSET > obj->size)
351 return -E_BAD_DATA_SIZE;
352 afhi->chunk_table = para_malloc(afhi->chunks_total * sizeof(size_t));
353 for (i = 0; i < afhi->chunks_total; i++)
354 afhi->chunk_table[i] = read_u32(buf + CHUNK_TABLE_OFFSET + 4 * i);
355 return 1;
356 }
357
358 /**
359 * Get the row of the audio file table corresponding to the given path.
360 *
361 * \param path The full path of the audio file.
362 * \param row Result pointer.
363 *
364 * \return The return value of the underlying call to osl_get_row().
365 */
366 int aft_get_row_of_path(char *path, struct osl_row **row)
367 {
368 struct osl_object obj = {.data = path, .size = strlen(path) + 1};
369 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
370 }
371
372 /**
373 * Get the row of the audio file table corresponding to the given hash value.
374 *
375 * \param hash The hash value of the desired audio file.
376 * \param row resul pointer.
377 *
378 * \return The return value of the underlying call to osl_get_row().
379 */
380 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
381 {
382 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
383 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
384 }
385
386 /**
387 * Get the osl object holding the audio file selector info of a row.
388 *
389 * \param row Pointer to a row in the audio file table.
390 * \param obj Result pointer.
391 *
392 * \return The return value of the underlying call to osl_get_object().
393 */
394 int get_afsi_object_of_row(const void *row, struct osl_object *obj)
395 {
396 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
397 }
398
399 /**
400 * Get the osl object holding the audio file selector info, given a path.
401 *
402 *
403 * \param path The full path of the audio file.
404 * \param obj Result pointer.
405 *
406 * \return Positive on success, negative on errors.
407 */
408 int get_afsi_object_of_path(char *path, struct osl_object *obj)
409 {
410 struct osl_row *row;
411 int ret = aft_get_row_of_path(path, &row);
412 if (ret < 0)
413 return ret;
414 return get_afsi_object_of_row(row, obj);
415 }
416
417 /**
418 * Get the audio file selector info, given a row of the audio file table.
419 *
420 * \param row Pointer to a row in the audio file table.
421 * \param afsi Result pointer.
422 *
423 * \return Positive on success, negative on errors.
424 */
425 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
426 {
427 struct osl_object obj;
428 int ret = get_afsi_object_of_row(row, &obj);
429 if (ret < 0)
430 return ret;
431 return load_afsi(afsi, &obj);
432 }
433
434 /**
435 * Get the path of an audio file, given a row of the audio file table.
436 *
437 * \param row Pointer to a row in the audio file table.
438 * \param path Result pointer.
439 *
440 * \return Positive on success, negative on errors.
441 */
442 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
443 {
444 struct osl_object path_obj;
445 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
446 &path_obj);
447 if (ret < 0)
448 return ret;
449 *path = path_obj.data;
450 return 1;
451 }
452
453 /**
454 * Get the object containing the hash value of an audio file, given a row.
455 *
456 * \param row Pointer to a row of the audio file table.
457 * \param obj Result pointer.
458 *
459 * \return The return value of the underlying call to osl_get_object().
460 *
461 * \sa get_hash_of_row().
462 */
463 int get_hash_object_of_aft_row(const void *row, struct osl_object *obj)
464 {
465 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
466 }
467
468 /**
469 * Get the hash value of an audio file, given a row of the audio file table.
470 *
471 * \param row Pointer to a row of the audio file table.
472 * \param hash Result pointer.
473 *
474 * \a hash points to mapped data and must not be freed by the caller.
475 *
476 * \return The return value of the underlying call to
477 * get_hash_object_of_aft_row().
478 */
479 static int get_hash_of_row(const void *row, HASH_TYPE **hash)
480 {
481 struct osl_object obj;
482 int ret = get_hash_object_of_aft_row(row, &obj);
483
484 if (ret < 0)
485 return ret;
486 *hash = obj.data;
487 return 1;
488 }
489
490 /**
491 * Get the audio format handler info, given a row of the audio file table.
492 *
493 * \param row Pointer to a row of the audio file table.
494 * \param afhi Result pointer.
495 *
496 * \return The return value of the underlying call to osl_get_object().
497 *
498 * \sa get_chunk_table_of_row().
499 */
500 int get_afhi_of_row(const void *row, struct audio_format_info *afhi)
501 {
502 struct osl_object obj;
503 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
504 &obj);
505 if (ret < 0)
506 return ret;
507 load_afhi(obj.data, afhi);
508 return 1;
509 }
510
511 /**
512 * Get the chunk table of an audio file, given a row of the audio file table.
513 *
514 * \param row Pointer to a row of the audio file table.
515 * \param afhi Result pointer.
516 *
517 * \return The return value of the underlying call to osl_open_disk_object().
518 *
519 * \sa get_afhi_of_row().
520 */
521 int get_chunk_table_of_row(const void *row, struct audio_format_info *afhi)
522 {
523 struct osl_object obj;
524 int ret = osl_open_disk_object(audio_file_table, row, AFTCOL_CHUNKS,
525 &obj);
526 if (ret < 0)
527 return ret;
528 ret = load_chunk_info(&obj, afhi);
529 osl_close_disk_object(&obj);
530 return ret;
531 }
532
533 /**
534 * Mmap the given audio file and update statistics.
535 *
536 * \param aft_row Determines the audio file to be opened and updated.
537 * \param afd Result pointer.
538 *
539 * On success, the numplayed field of the audio file selector info is increased
540 * and the lastplayed time is set to the current time. Finally, the score of
541 * the audio file is updated.
542 *
543 * \return Positive on success, negative on errors.
544 */
545 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
546 {
547 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
548 struct osl_object afsi_obj;
549 struct afs_info new_afsi;
550 int ret = get_hash_of_row(aft_row, &aft_hash);
551
552 if (ret < 0)
553 return ret;
554 ret = get_audio_file_path_of_row(aft_row, &afd->path);
555 if (ret < 0)
556 return ret;
557 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
558 if (ret < 0)
559 return ret;
560 ret = load_afsi(&afd->afsi, &afsi_obj);
561 if (ret < 0)
562 return ret;
563 ret = get_afhi_of_row(aft_row, &afd->afhi);
564 if (ret < 0)
565 return ret;
566 ret = get_chunk_table_of_row(aft_row, &afd->afhi);
567 if (ret < 0)
568 return ret;
569 ret = mmap_full_file(afd->path, O_RDONLY, &afd->map);
570 if (ret < 0)
571 goto err;
572 hash_function(afd->map.data, afd->map.size, file_hash);
573 ret = -E_HASH_MISMATCH;
574 if (hash_compare(file_hash, aft_hash))
575 goto err;
576 new_afsi = afd->afsi;
577 new_afsi.num_played++;
578 new_afsi.last_played = time(NULL);
579 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
580 if (afd->current_play_mode == PLAY_MODE_PLAYLIST)
581 ret = playlist_update_audio_file(aft_row);
582 else
583 ret = mood_update_audio_file(aft_row, &afd->afsi);
584 return ret;
585 err:
586 free(afd->afhi.chunk_table);
587 return ret;
588 }
589
590 time_t now;
591
592 static int get_local_time(uint64_t *seconds, char *buf, size_t size)
593 {
594 struct tm t;
595
596 if (!localtime_r((time_t *)seconds, &t))
597 return -E_LOCALTIME;
598 if (*seconds + 6 * 30 * 24 * 3600 > now) {
599 if (!strftime(buf, size, "%b %e %k:%M", &t))
600 return -E_STRFTIME;
601 return 1;
602 }
603 if (!strftime(buf, size, "%b %e %Y", &t))
604 return -E_STRFTIME;
605 return 1;
606 }
607
608 #define GET_NUM_DIGITS(x, num) { \
609 typeof((x)) _tmp = PARA_ABS(x); \
610 *num = 1; \
611 if ((x)) \
612 while ((_tmp) > 9) { \
613 (_tmp) /= 10; \
614 (*num)++; \
615 } \
616 }
617
618 static short unsigned get_duration(int seconds_total, char *buf, short unsigned max_width)
619 {
620 short unsigned width;
621 int s = seconds_total;
622 unsigned hours = s / 3600, mins = (s % 3600) / 60, secs = s % 60;
623
624 if (s < 3600) { /* less than one hour => m:ss or mm:ss */
625 GET_NUM_DIGITS(mins, &width); /* 1 or 2 */
626 width += 3; /* 4 or 5 */
627 if (buf)
628 sprintf(buf, "%*u:%02u", max_width - width + 1, mins, secs);
629 return width;
630 }
631 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
632 GET_NUM_DIGITS(hours, &width);
633 width += 6;
634 if (buf)
635 sprintf(buf, "%*u:%02u:%02u", max_width - width + 1, hours, mins, secs);
636 return width;
637 }
638
639 static char *make_attribute_line(const char *att_bitmap, struct afs_info *afsi)
640 {
641 char *att_text, *att_line;
642
643 get_attribute_text(&afsi->attributes, " ", &att_text);
644 if (!att_text)
645 return para_strdup(att_bitmap);
646 att_line = make_message("%s (%s)", att_bitmap, att_text);
647 free(att_text);
648 return att_line;
649 }
650
651 static char *make_lyrics_line(struct afs_info *afsi)
652 {
653 char *lyrics_name;
654 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
655 if (!lyrics_name)
656 return make_message("%u", afsi->lyrics_id);
657 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
658 }
659
660 static char *make_image_line(struct afs_info *afsi)
661 {
662 char *image_name;
663 img_get_name_by_id(afsi->image_id, &image_name);
664 if (!image_name)
665 return make_message("%u", afsi->image_id);
666 return make_message("%u (%s)", afsi->image_id, image_name);
667 }
668
669 static int print_list_item(struct ls_data *d, struct ls_options *opts,
670 struct para_buffer *b)
671 {
672 int ret;
673 char att_buf[65];
674 char last_played_time[30];
675 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
676 char score_buf[30] = "";
677 struct afs_info *afsi = &d->afsi;
678 struct audio_format_info *afhi = &d->afhi;
679 struct ls_widths *w = &opts->widths;
680 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
681
682 if (opts->mode == LS_MODE_SHORT) {
683 para_printf(b, "%s\n", d->path);
684 return 1;
685 }
686 get_attribute_bitmap(&afsi->attributes, att_buf);
687 ret = get_local_time(&afsi->last_played, last_played_time,
688 sizeof(last_played_time));
689 if (ret < 0)
690 return ret;
691 get_duration(afhi->seconds_total, duration_buf, w->duration_width);
692 if (have_score) {
693 if (opts->mode == LS_MODE_LONG)
694 sprintf(score_buf, "%*li ", w->score_width, d->score);
695 else
696 sprintf(score_buf, "%li ", d->score);
697 }
698
699 if (opts->mode == LS_MODE_LONG) {
700 para_printf(b,
701 "%s" /* score */
702 "%s " /* attributes */
703 "%*d " /* image_id */
704 "%*d " /* lyrics_id */
705 "%*d " /* bitrate */
706 "%s " /* audio format */
707 "%*d " /* frequency */
708 "%d " /* channels */
709 "%s " /* duration */
710 "%*d " /* num_played */
711 "%s " /* last_played */
712 "%s\n", /* path */
713 score_buf,
714 att_buf,
715 w->image_id_width, afsi->image_id,
716 w->lyrics_id_width, afsi->lyrics_id,
717 w->bitrate_width, afhi->bitrate,
718 "mp3", /* FIXME */
719 w->frequency_width, afhi->frequency,
720 afhi->channels,
721 duration_buf,
722 w->num_played_width, afsi->num_played,
723 last_played_time,
724 d->path
725 );
726 return 1;
727 }
728 if (opts->mode == LS_MODE_VERBOSE) {
729 char asc_hash[2 * HASH_SIZE + 1];
730 char *att_line, *lyrics_line, *image_line;
731
732 hash_to_asc(d->hash, asc_hash);
733 att_line = make_attribute_line(att_buf, afsi);
734 lyrics_line = make_lyrics_line(afsi);
735 image_line = make_image_line(afsi);
736 para_printf(b,
737 "%s: %s\n" /* path */
738 "%s%s%s" /* score */
739 "attributes: %s\n"
740 "hash: %s\n"
741 "image_id: %s\n"
742 "lyrics_id: %s\n"
743 "bitrate: %dkbit/s\n"
744 "format: %s\n"
745 "frequency: %dHz\n"
746 "channels: %d\n"
747 "duration: %s\n"
748 "num_played: %d\n"
749 "last_played: %s\n\n",
750 (opts->flags & LS_FLAG_FULL_PATH)?
751 "path" : "file", d->path,
752 have_score? "score: " : "", score_buf,
753 have_score? "\n" : "",
754 att_line,
755 asc_hash,
756 image_line,
757 lyrics_line,
758 afhi->bitrate,
759 "mp3", /* FIXME */
760 afhi->frequency,
761 afhi->channels,
762 duration_buf,
763 afsi->num_played,
764 last_played_time
765 );
766 free(att_line);
767 free(lyrics_line);
768 free(image_line);
769 return 1;
770 }
771 return 1;
772 }
773
774 static int ls_audio_format_compare(const void *a, const void *b)
775 {
776 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
777 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
778 }
779
780 static int ls_duration_compare(const void *a, const void *b)
781 {
782 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
783 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
784 }
785
786 static int ls_bitrate_compare(const void *a, const void *b)
787 {
788 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
789 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
790 }
791
792 static int ls_lyrics_id_compare(const void *a, const void *b)
793 {
794 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
795 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
796 }
797
798 static int ls_image_id_compare(const void *a, const void *b)
799 {
800 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
801 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
802 }
803
804 static int ls_channels_compare(const void *a, const void *b)
805 {
806 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
807 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
808 }
809
810 static int ls_frequency_compare(const void *a, const void *b)
811 {
812 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
813 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
814 }
815
816 static int ls_num_played_compare(const void *a, const void *b)
817 {
818 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
819 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
820 }
821
822 static int ls_last_played_compare(const void *a, const void *b)
823 {
824 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
825 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
826 }
827
828 static int ls_score_compare(const void *a, const void *b)
829 {
830 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
831 return NUM_COMPARE(d1->score, d2->score);
832 }
833
834 static int ls_path_compare(const void *a, const void *b)
835 {
836 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
837 return strcmp(d1->path, d2->path);
838 }
839
840 static int sort_matching_paths(struct ls_options *options)
841 {
842 size_t nmemb = options->num_matching_paths;
843 size_t size = sizeof(uint32_t);
844 int (*compar)(const void *, const void *);
845 int i;
846
847 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
848 for (i = 0; i < nmemb; i++)
849 options->data_ptr[i] = options->data + i;
850
851 /* In these cases the array is already sorted */
852 if (options->sorting == LS_SORT_BY_PATH
853 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
854 && (options->flags & LS_FLAG_FULL_PATH))
855 return 1;
856 if (options->sorting == LS_SORT_BY_SCORE &&
857 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
858 return 1;
859
860 switch (options->sorting) {
861 case LS_SORT_BY_PATH:
862 compar = ls_path_compare; break;
863 case LS_SORT_BY_SCORE:
864 compar = ls_score_compare; break;
865 case LS_SORT_BY_LAST_PLAYED:
866 compar = ls_last_played_compare; break;
867 case LS_SORT_BY_NUM_PLAYED:
868 compar = ls_num_played_compare; break;
869 case LS_SORT_BY_FREQUENCY:
870 compar = ls_frequency_compare; break;
871 case LS_SORT_BY_CHANNELS:
872 compar = ls_channels_compare; break;
873 case LS_SORT_BY_IMAGE_ID:
874 compar = ls_image_id_compare; break;
875 case LS_SORT_BY_LYRICS_ID:
876 compar = ls_lyrics_id_compare; break;
877 case LS_SORT_BY_BITRATE:
878 compar = ls_bitrate_compare; break;
879 case LS_SORT_BY_DURATION:
880 compar = ls_duration_compare; break;
881 case LS_SORT_BY_AUDIO_FORMAT:
882 compar = ls_audio_format_compare; break;
883 default:
884 return -E_BAD_SORT;
885 }
886 qsort(options->data_ptr, nmemb, size, compar);
887 return 1;
888 }
889
890 /* row is either an aft_row or a row of the score table */
891 /* TODO: Only compute widths if we need them */
892 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
893 {
894 int ret, i;
895 struct ls_options *options = ls_opts;
896 struct ls_data *d;
897 struct ls_widths *w;
898 unsigned short num_digits;
899 unsigned tmp;
900 struct osl_row *aft_row;
901 long score;
902 char *path;
903
904 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
905 ret = get_score_and_aft_row(row, &score, &aft_row);
906 if (ret < 0)
907 return ret;
908 } else
909 aft_row = row;
910 ret = get_audio_file_path_of_row(aft_row, &path);
911 if (ret < 0)
912 return ret;
913 if (!(options->flags & LS_FLAG_FULL_PATH)) {
914 char *p = strrchr(path, '/');
915 if (p)
916 path = p + 1;
917 }
918 if (options->num_patterns) {
919 for (i = 0; i < options->num_patterns; i++) {
920 ret = fnmatch(options->patterns[i], path, FNM_PATHNAME);
921 if (!ret)
922 break;
923 if (ret == FNM_NOMATCH)
924 continue;
925 return -E_FNMATCH;
926 }
927 if (i >= options->num_patterns) /* no match */
928 return 1;
929 }
930 tmp = options->num_matching_paths++;
931 if (options->num_matching_paths > options->array_size) {
932 options->array_size++;
933 options->array_size *= 2;
934 options->data = para_realloc(options->data, options->array_size
935 * sizeof(*options->data));
936 }
937 d = options->data + tmp;
938 ret = get_afsi_of_row(aft_row, &d->afsi);
939 if (ret < 0)
940 return ret;
941 ret = get_afhi_of_row(aft_row, &d->afhi);
942 if (ret < 0)
943 return ret;
944 d->path = path;
945 ret = get_hash_of_row(aft_row, &d->hash);
946 if (ret < 0)
947 return ret;
948 w = &options->widths;
949 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
950 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
951 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
952 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
953 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
954 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
955 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
956 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
957 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
958 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
959 /* just get the number of chars to print this amount of time */
960 tmp = get_duration(d->afhi.seconds_total, NULL, 0);
961 w->duration_width = PARA_MAX(w->duration_width, tmp);
962 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
963 GET_NUM_DIGITS(score, &num_digits);
964 num_digits++; /* add one for the sign (space or "-") */
965 w->score_width = PARA_MAX(w->score_width, num_digits);
966 d->score = score;
967 }
968 return 1;
969 }
970
971 static int com_ls_callback(const struct osl_object *query,
972 struct osl_object *ls_output)
973 {
974 struct ls_options *opts = query->data;
975 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
976 struct para_buffer b = {.buf = NULL, .size = 0};
977 int i = 0, ret;
978
979 PARA_NOTICE_LOG("%d patterns\n", opts->num_patterns);
980 if (opts->num_patterns) {
981 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
982 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
983 opts->patterns[i] = p;
984 p += strlen(p) + 1;
985 PARA_NOTICE_LOG("pattern %d: %s\n", i, opts->patterns[i]);
986 }
987 } else
988 opts->patterns = NULL;
989 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
990 ret = admissible_file_loop(opts, prepare_ls_row);
991 else
992 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
993 prepare_ls_row);
994 if (ret < 0)
995 goto out;
996 ret = opts->num_patterns? -E_NO_MATCH : 1;
997 if (!opts->num_matching_paths) {
998 PARA_NOTICE_LOG("no match, ret: %d\n", ret);
999 goto out;
1000 }
1001 ret = sort_matching_paths(opts);
1002 if (ret < 0)
1003 goto out;
1004 if (opts->flags & LS_FLAG_REVERSE)
1005 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1006 ret = print_list_item(opts->data_ptr[i], opts, &b);
1007 if (ret < 0)
1008 break;
1009 }
1010 else
1011 for (i = 0; i < opts->num_matching_paths; i++) {
1012 ret = print_list_item(opts->data_ptr[i], opts, &b);
1013 if (ret < 0)
1014 break;
1015 }
1016 ret = 1;
1017 out:
1018 ls_output->data = b.buf;
1019 ls_output->size = b.size;
1020 free(opts->data);
1021 free(opts->data_ptr);
1022 free(opts->patterns);
1023 return ret;
1024 }
1025
1026 /*
1027 * TODO: flags -h (sort by hash)
1028 *
1029 * long list: list hash, attributes as (xx--x-x-), file size, lastplayed
1030 * full list: list everything, including afsi, afhi, atts as clear text
1031 *
1032 * */
1033 int com_afs_ls(int fd, int argc, const char **argv)
1034 {
1035 int i, ret;
1036 unsigned flags = 0;
1037 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1038 enum ls_listing_mode mode = LS_MODE_SHORT;
1039 struct ls_options opts = {.patterns = NULL};
1040 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1041 ls_output;
1042
1043 for (i = 1; i < argc; i++) {
1044 const char *arg = argv[i];
1045 if (arg[0] != '-')
1046 break;
1047 if (!strcmp(arg, "--")) {
1048 i++;
1049 break;
1050 }
1051 if (!strncmp(arg, "-l", 2)) {
1052 if (!*(arg + 2)) {
1053 mode = LS_MODE_LONG;
1054 continue;
1055 }
1056 if (*(arg + 3))
1057 return -E_AFT_SYNTAX;
1058 switch(*(arg + 2)) {
1059 case 's':
1060 mode = LS_MODE_SHORT;
1061 continue;
1062 case 'l':
1063 mode = LS_MODE_LONG;
1064 continue;
1065 case 'v':
1066 mode = LS_MODE_VERBOSE;
1067 continue;
1068 case 'm':
1069 mode = LS_MODE_MBOX;
1070 continue;
1071 default:
1072 return -E_AFT_SYNTAX;
1073 }
1074 }
1075 if (!strcmp(arg, "-p")) {
1076 flags |= LS_FLAG_FULL_PATH;
1077 continue;
1078 }
1079 if (!strcmp(arg, "-a")) {
1080 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1081 continue;
1082 }
1083 if (!strcmp(arg, "-r")) {
1084 flags |= LS_FLAG_REVERSE;
1085 continue;
1086 }
1087 if (!strncmp(arg, "-s", 2)) {
1088 if (!*(arg + 2) || *(arg + 3))
1089 return -E_AFT_SYNTAX;
1090 switch(*(arg + 2)) {
1091 case 'p':
1092 sort = LS_SORT_BY_PATH;
1093 continue;
1094 case 's': /* -ss implies -a */
1095 sort = LS_SORT_BY_SCORE;
1096 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1097 continue;
1098 case 'l':
1099 sort = LS_SORT_BY_LAST_PLAYED;
1100 continue;
1101 case 'n':
1102 sort = LS_SORT_BY_NUM_PLAYED;
1103 continue;
1104 case 'f':
1105 sort = LS_SORT_BY_FREQUENCY;
1106 continue;
1107 case 'c':
1108 sort = LS_SORT_BY_CHANNELS;
1109 continue;
1110 case 'i':
1111 sort = LS_SORT_BY_IMAGE_ID;
1112 continue;
1113 case 'y':
1114 sort = LS_SORT_BY_LYRICS_ID;
1115 continue;
1116 case 'b':
1117 sort = LS_SORT_BY_BITRATE;
1118 continue;
1119 case 'd':
1120 sort = LS_SORT_BY_DURATION;
1121 continue;
1122 case 'a':
1123 sort = LS_SORT_BY_AUDIO_FORMAT;
1124 continue;
1125 default:
1126 return -E_AFT_SYNTAX;
1127 }
1128 }
1129 return -E_AFT_SYNTAX;
1130 }
1131 time(&now);
1132 opts.flags = flags;
1133 opts.sorting = sort;
1134 opts.mode = mode;
1135 opts.num_patterns = argc - i;
1136 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1137 argv + i, com_ls_callback, &ls_output);
1138 if (ret >= 0 && ls_output.data) {
1139 send_buffer(fd, (char *)ls_output.data);
1140 free(ls_output.data);
1141 }
1142 return ret;
1143 }
1144
1145 /**
1146 * Call the given function for each file in the audio file table.
1147 *
1148 * \param private_data An arbitrary data pointer, passed to \a func.
1149 * \param func The custom function to be called.
1150 *
1151 * \return The return value of the underlying call to osl_rbtree_loop().
1152 */
1153 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1154 {
1155 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1156 func);
1157 }
1158
1159 static void *find_hash_sister(HASH_TYPE *hash)
1160 {
1161 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1162 struct osl_row *row;
1163
1164 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1165 return row;
1166 }
1167
1168 #define AFTROW_HEADER_SIZE 4
1169
1170 enum aft_row_offsets {
1171 AFTROW_AFHI_OFFSET_POS = 0,
1172 AFTROW_CHUNKS_OFFSET_POS = 2,
1173 AFTROW_HASH_OFFSET = AFTROW_HEADER_SIZE,
1174 AFTROW_FLAGS_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1175 AFTROW_PATH_OFFSET = (AFTROW_FLAGS_OFFSET + 4)
1176 };
1177
1178 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1179 * In this case, afhi won't be stored in the buffer */
1180 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1181 struct audio_format_info *afhi,
1182 uint32_t flags, struct osl_object *obj)
1183 {
1184 size_t path_len = strlen(path) + 1;
1185 size_t afhi_size = sizeof_afhi_buf(afhi);
1186 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1187 + sizeof_chunk_info_buf(afhi);
1188 char *buf = para_malloc(size);
1189 uint16_t pos;
1190
1191 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1192 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1193 strcpy(buf + AFTROW_PATH_OFFSET, path);
1194
1195 pos = AFTROW_PATH_OFFSET + path_len;
1196 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1197 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1198 pos + afhi_size - 1);
1199 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1200 save_afhi(afhi, buf + pos);
1201
1202 pos += afhi_size;
1203 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1204 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1205 save_chunk_info(afhi, buf + pos);
1206 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1207 obj->data = buf;
1208 obj->size = size;
1209 }
1210
1211 /*
1212 input:
1213 ~~~~~~
1214 HS: hash sister
1215 PB: path brother
1216 F: force flag given
1217
1218 output:
1219 ~~~~~~~
1220 AFHI: whether afhi and chunk table are computed and sent
1221 ACTION: table modifications to be performed
1222
1223 +---+----+-----+------+---------------------------------------------------+
1224 | HS | PB | F | AFHI | ACTION
1225 +---+----+-----+------+---------------------------------------------------+
1226 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1227 | | update path, keep afsi
1228 +---+----+-----+------+---------------------------------------------------+
1229 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1230 | | otherwise: remove PB, HS: update path, keep afhi,
1231 | | afsi.
1232 +---+----+-----+------+---------------------------------------------------+
1233 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1234 | | HS, keep afsi
1235 +---+----+-----+------+---------------------------------------------------+
1236 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1237 +---+----+-----+------+---------------------------------------------------+
1238 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1239 | | (force has no effect)
1240 +---+----+-----+------+---------------------------------------------------+
1241 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1242 +---+----+-----+------+---------------------------------------------------+
1243 | N | N | Y | Y | (new file) create new entry (force has no effect)
1244 +---+----+-----+------+---------------------------------------------------+
1245 | N | N | N | Y | (new file) create new entry
1246 +---+----+-----+------+---------------------------------------------------+
1247
1248 afhi <=> force or no HS
1249
1250 */
1251
1252
1253 #define ADD_FLAG_LAZY 1
1254 #define ADD_FLAG_FORCE 2
1255 #define ADD_FLAG_VERBOSE 4
1256
1257 static int com_add_callback(const struct osl_object *query,
1258 __a_unused struct osl_object *result)
1259 {
1260 char *buf = query->data, *path;
1261 struct osl_row *pb, *aft_row;
1262 const struct osl_row *hs;
1263 struct osl_object objs[NUM_AFT_COLUMNS];
1264 HASH_TYPE *hash;
1265 char asc[2 * HASH_SIZE + 1];
1266 int ret;
1267 char afsi_buf[AFSI_SIZE];
1268 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1269
1270 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1271 hash_to_asc(hash, asc);;
1272 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1273 objs[AFTCOL_HASH].size = HASH_SIZE;
1274
1275 path = buf + AFTROW_PATH_OFFSET;
1276 objs[AFTCOL_PATH].data = path;
1277 objs[AFTCOL_PATH].size = strlen(path) + 1;
1278
1279 PARA_DEBUG_LOG("request to add %s with hash %s\n", path, asc);
1280 hs = find_hash_sister(hash);
1281 ret = aft_get_row_of_path(path, &pb);
1282 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1283 return ret;
1284 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1285 if (flags & ADD_FLAG_VERBOSE)
1286 PARA_NOTICE_LOG("ignoring duplicate %p\n", path);
1287 return 1;
1288 }
1289 if (hs && hs != pb) {
1290 struct osl_object obj;
1291 if (pb) { /* hs trumps pb, remove pb */
1292 if (flags & ADD_FLAG_VERBOSE)
1293 PARA_NOTICE_LOG("removing path brother\n");
1294 ret = osl_del_row(audio_file_table, pb);
1295 if (ret < 0)
1296 return ret;
1297 pb = NULL;
1298 }
1299 /* file rename, update hs' path */
1300 ret = osl_get_object(audio_file_table, hs, AFTCOL_PATH, &obj);
1301 if (flags & ADD_FLAG_VERBOSE)
1302 PARA_NOTICE_LOG("rename %s -> %s\n", (char *)obj.data, path);
1303 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1304 &objs[AFTCOL_PATH]);
1305 if (ret < 0)
1306 return ret;
1307 if (!(flags & ADD_FLAG_FORCE))
1308 return ret;
1309 }
1310 /* no hs or force mode, child must have sent afhi */
1311 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1312 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1313
1314 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1315 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1316 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1317 return -E_NO_AFHI;
1318 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1319 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1320 if (pb && !hs) { /* update pb's hash */
1321 char old_asc[2 * HASH_SIZE + 1];
1322 HASH_TYPE *old_hash;
1323 ret = get_hash_of_row(pb, &old_hash);
1324 if (ret < 0)
1325 return ret;
1326 hash_to_asc(old_hash, old_asc);
1327 if (flags & ADD_FLAG_VERBOSE)
1328 PARA_NOTICE_LOG("file change: %s %s -> %s\n", path,
1329 old_asc, asc);
1330 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1331 &objs[AFTCOL_HASH]);
1332 if (ret < 0)
1333 return ret;
1334 }
1335 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1336 const void *row = pb? pb : hs;
1337 /* update afhi and chunk_table */
1338 if (flags & ADD_FLAG_VERBOSE)
1339 PARA_NOTICE_LOG("updating audio format handler info (%zd bytes)\n",
1340 objs[AFTCOL_AFHI].size);
1341 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1342 &objs[AFTCOL_AFHI]);
1343 if (ret < 0)
1344 return ret;
1345 if (flags & ADD_FLAG_VERBOSE)
1346 PARA_NOTICE_LOG("updating chunk table\n");
1347 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1348 &objs[AFTCOL_CHUNKS]);
1349 if (ret < 0)
1350 return ret;
1351 ret = mood_update_audio_file(row, NULL);
1352 if (ret < 0)
1353 return ret;
1354 }
1355 /* new entry, use default afsi */
1356 if (flags & ADD_FLAG_VERBOSE)
1357 PARA_NOTICE_LOG("adding %s\n", path);
1358 objs[AFTCOL_AFSI].data = &afsi_buf;
1359 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1360 save_afsi(NULL, &objs[AFTCOL_AFSI]);
1361 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1362 if (ret < 0)
1363 return ret;
1364 return mood_update_audio_file(aft_row, NULL);
1365 }
1366
1367 struct private_add_data {
1368 int fd;
1369 uint32_t flags;
1370 };
1371
1372 static int add_one_audio_file(const char *arg, const void *private_data)
1373 {
1374 int ret;
1375 const struct private_add_data *pad = private_data;
1376 struct audio_format_info afhi, *afhi_ptr = NULL;
1377 struct osl_row *pb, *hs; /* path brother/hash sister */
1378 struct osl_object map, obj = {.data = NULL};
1379 char *path;
1380 HASH_TYPE hash[HASH_SIZE];
1381
1382 afhi.header_offset = 0;
1383 afhi.header_len = 0;
1384 ret = verify_path(arg, &path);
1385 if (ret < 0)
1386 return ret;
1387 ret = aft_get_row_of_path(path, &pb);
1388 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1389 goto out_free;
1390 ret = 1;
1391 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1392 if (pad->flags & ADD_FLAG_VERBOSE)
1393 PARA_NOTICE_LOG("lazy-ignore: %s\n", path);
1394 goto out_free;
1395 }
1396 /* we still want to add this file. Compute its hash and look it up */
1397 ret = mmap_full_file(path, O_RDONLY, &map);
1398 if (ret < 0)
1399 goto out_free;
1400 hash_function(map.data, map.size, hash);
1401 hs = find_hash_sister(hash);
1402 /*
1403 * return success if we're pretty sure that we already know this file
1404 */
1405 ret = 1;
1406 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1407 if (pad->flags & ADD_FLAG_VERBOSE)
1408 PARA_NOTICE_LOG("not forcing update: %s\n", path);
1409 goto out_unmap;
1410 }
1411 /*
1412 * we won't recalculate the audio format info and the chunk table if
1413 * there is a hash sister unless in FORCE mode.
1414 */
1415 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1416 ret = mp3_get_file_info(map.data, map.size, &afhi);
1417 if (ret < 0) {
1418 PARA_WARNING_LOG("audio format of %s not recognized, skipping\n", path);
1419 ret = 1;
1420 goto out_unmap;
1421 }
1422 afhi_ptr = &afhi;
1423 }
1424 munmap(map.data, map.size);
1425 save_audio_file_info(hash, path, afhi_ptr, pad->flags, &obj);
1426 /* ask parent to consider this entry for adding */
1427 ret = send_callback_request(com_add_callback, &obj, NULL);
1428 goto out_free;
1429
1430 out_unmap:
1431 munmap(map.data, map.size);
1432 out_free:
1433 free(obj.data);
1434 free(path);
1435 if (afhi_ptr)
1436 free(afhi_ptr->chunk_table);
1437 return ret;
1438 }
1439
1440 int com_add(int fd, int argc, char **argv)
1441 {
1442 int i, ret;
1443 struct private_add_data pad = {.fd = fd, .flags = 0};
1444 struct stat statbuf;
1445
1446 for (i = 1; i < argc; i++) {
1447 const char *arg = argv[i];
1448 if (arg[0] != '-')
1449 break;
1450 if (!strcmp(arg, "--")) {
1451 i++;
1452 break;
1453 }
1454 if (!strcmp(arg, "-l")) {
1455 pad.flags |= ADD_FLAG_LAZY;
1456 continue;
1457 }
1458 if (!strcmp(arg, "-f")) {
1459 pad.flags |= ADD_FLAG_FORCE;
1460 continue;
1461 }
1462 if (!strcmp(arg, "-v")) {
1463 pad.flags |= ADD_FLAG_VERBOSE;
1464 continue;
1465 }
1466 }
1467 if (argc <= i)
1468 return -E_AFT_SYNTAX;
1469 for (; i < argc; i++) {
1470 ret = stat(argv[i], &statbuf);
1471 if (ret < 0)
1472 return -E_AFS_STAT;
1473 if (S_ISDIR(statbuf.st_mode)) {
1474 ret = for_each_file_in_dir(argv[i],
1475 add_one_audio_file, &pad);
1476 if (ret < 0)
1477 return ret;
1478 continue;
1479 }
1480 ret = add_one_audio_file(argv[i], &pad);
1481 if (ret < 0)
1482 goto out;
1483 }
1484 ret = 1;
1485 out:
1486 return ret;
1487
1488 }
1489
1490 struct com_touch_options {
1491 long num_played;
1492 long last_played;
1493 long lyrics_id;
1494 long image_id;
1495 };
1496
1497 static int com_touch_callback(const struct osl_object *query,
1498 __a_unused struct osl_object *result)
1499 {
1500 struct com_touch_options *cto = query->data;
1501 char *p = (char *)query->data + sizeof(*cto);
1502 size_t len;
1503 int ret, no_options = cto->num_played < 0 && cto->last_played < 0 &&
1504 cto->lyrics_id < 0 && cto->image_id < 0;
1505
1506 for (;p < (char *)query->data + query->size; p += len + 1) {
1507 struct afs_info old_afsi, new_afsi;
1508 struct osl_object obj;
1509 struct osl_row *row;
1510
1511 len = strlen(p);
1512 ret = aft_get_row_of_path(p, &row);
1513 if (ret < 0)
1514 return ret;
1515 ret = get_afsi_object_of_row(row, &obj);
1516 if (ret < 0)
1517 return ret;
1518 ret = load_afsi(&old_afsi, &obj);
1519 if (ret < 0)
1520 return ret;
1521 new_afsi = old_afsi;
1522 if (no_options) {
1523 new_afsi.num_played++;
1524 new_afsi.last_played = time(NULL);
1525 } else {
1526 if (cto->lyrics_id >= 0)
1527 new_afsi.lyrics_id = cto->lyrics_id;
1528 if (cto->image_id >= 0)
1529 new_afsi.image_id = cto->image_id;
1530 if (cto->num_played >= 0)
1531 new_afsi.num_played = cto->num_played;
1532 if (cto->last_played >= 0)
1533 new_afsi.last_played = cto->last_played;
1534 }
1535 save_afsi(&new_afsi, &obj); /* in-place update */
1536 ret = mood_update_audio_file(row, &old_afsi);
1537 if (ret < 0)
1538 return ret;
1539 }
1540 return 1;
1541 }
1542
1543 int com_touch(__a_unused int fd, int argc, const char **argv)
1544 {
1545 struct com_touch_options cto = {
1546 .num_played = -1,
1547 .last_played = -1,
1548 .lyrics_id = -1,
1549 .image_id = -1
1550 };
1551 struct osl_object options = {.data = &cto, .size = sizeof(cto)};
1552 int i, ret;
1553
1554
1555 for (i = 1; i < argc; i++) {
1556 const char *arg = argv[i];
1557 if (arg[0] != '-')
1558 break;
1559 if (!strcmp(arg, "--")) {
1560 i++;
1561 break;
1562 }
1563 if (!strncmp(arg, "-n", 2)) {
1564 ret = para_atol(arg + 2, &cto.num_played);
1565 if (ret < 0)
1566 goto err;
1567 continue;
1568 }
1569 if (!strncmp(arg, "-l", 2)) {
1570 ret = para_atol(arg + 2, &cto.last_played);
1571 if (ret < 0)
1572 goto err;
1573 continue;
1574 }
1575 if (!strncmp(arg, "-y", 2)) {
1576 ret = para_atol(arg + 2, &cto.lyrics_id);
1577 if (ret < 0)
1578 goto err;
1579 continue;
1580 }
1581 if (!strncmp(arg, "-i", 2)) {
1582 ret = para_atol(arg + 2, &cto.image_id);
1583 if (ret < 0)
1584 goto err;
1585 continue;
1586 }
1587 }
1588 ret = -E_AFT_SYNTAX;
1589 if (i >= argc)
1590 goto err;
1591 return send_option_arg_callback_request(&options, argc - i,
1592 argv + i, com_touch_callback, NULL);
1593 err:
1594 return ret;
1595 }
1596
1597 struct com_rm_options {
1598 uint32_t flags;
1599 };
1600
1601 static int com_rm_callback(const struct osl_object *query,
1602 __a_unused struct osl_object *result)
1603 {
1604 struct com_rm_options *cro = query->data;
1605 char *p = (char *)query->data + sizeof(*cro);
1606 size_t len;
1607 int ret;
1608
1609 for (;p < (char *)query->data + query->size; p += len + 1) {
1610 struct osl_row *row;
1611
1612 len = strlen(p);
1613 ret = aft_get_row_of_path(p, &row);
1614 if (ret < 0)
1615 return ret;
1616 ret = mood_delete_audio_file(row);
1617 if (ret < 0)
1618 return ret;
1619 ret = osl_del_row(audio_file_table, row);
1620 if (ret < 0)
1621 return ret;
1622 }
1623 return 1;
1624 }
1625
1626 /*
1627 * TODO options: -v verbose, -f dont stop if file not found
1628 * -h remove by hash, use fnmatch
1629 *
1630 * */
1631
1632 int com_afs_rm(__a_unused int fd, int argc, const char **argv)
1633 {
1634 struct com_rm_options cro = {.flags = 0};
1635 struct osl_object options = {.data = &cro, .size = sizeof(cro)};
1636 int i, ret;
1637
1638 for (i = 1; i < argc; i++) {
1639 const char *arg = argv[i];
1640 if (arg[0] != '-')
1641 break;
1642 if (!strcmp(arg, "--")) {
1643 i++;
1644 break;
1645 }
1646 }
1647 ret = -E_AFT_SYNTAX;
1648 if (i >= argc)
1649 goto err;
1650 return send_option_arg_callback_request(&options, argc - i,
1651 argv + i, com_rm_callback, NULL);
1652 err:
1653 return ret;
1654 }
1655
1656 /**
1657 * Close the audio file table.
1658 *
1659 * \param flags Ususal flags that are passed to osl_close_table().
1660 *
1661 * \sa osl_close_table().
1662 */
1663 void aft_shutdown(enum osl_close_flags flags)
1664 {
1665 osl_close_table(audio_file_table, flags);
1666 }
1667
1668 /**
1669 * Open the audio file table.
1670 *
1671 * \param ti Gets initialized by this function
1672 *
1673 * \return Positive on success, negative on errors.
1674 *
1675 * \sa osl_open_table().
1676 */
1677 int aft_init(struct table_info *ti)
1678 {
1679 int ret;
1680
1681 ti->desc = &audio_file_table_desc;
1682 ret = osl_open_table(ti->desc, &ti->table);
1683 if (ret >= 0) {
1684 unsigned num;
1685 audio_file_table = ti->table;
1686 osl_get_num_rows(audio_file_table, &num);
1687 PARA_INFO_LOG("audio file table contains %d files\n", num);
1688 return ret;
1689 }
1690 audio_file_table = NULL;
1691 return ret == -E_NOENT? 1 : ret;
1692 }