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