Get rid of mmd->filename.
[paraslash.git] / aft.c
1 /*
2 * Copyright (C) 2007 Andre Noll <maan@systemlinux.org>
3 *
4 * Licensed under the GPL v2. For licencing details see COPYING.
5 */
6
7 /** \file aft.c Audio file table functions. */
8
9 #include <dirent.h> /* readdir() */
10 #include "para.h"
11 #include "error.h"
12 #include "string.h"
13 #include <sys/mman.h>
14 #include <fnmatch.h>
15 #include "afh.h"
16 #include "afs.h"
17 #include "net.h"
18 #include "vss.h"
19 #include "fd.h"
20 #include "ipc.h"
21
22 static struct osl_table *audio_file_table;
23
24 /** The different sorting methods of the ls command. */
25 enum ls_sorting_method {
26 /** -sp (default) */
27 LS_SORT_BY_PATH,
28 /** -ss */
29 LS_SORT_BY_SCORE,
30 /** -sl */
31 LS_SORT_BY_LAST_PLAYED,
32 /** -sn */
33 LS_SORT_BY_NUM_PLAYED,
34 /** -sf */
35 LS_SORT_BY_FREQUENCY,
36 /** -sc */
37 LS_SORT_BY_CHANNELS,
38 /** -si */
39 LS_SORT_BY_IMAGE_ID,
40 /** -sy */
41 LS_SORT_BY_LYRICS_ID,
42 /** -sb */
43 LS_SORT_BY_BITRATE,
44 /** -sd */
45 LS_SORT_BY_DURATION,
46 /** -sa */
47 LS_SORT_BY_AUDIO_FORMAT,
48 /** -sh */
49 LS_SORT_BY_HASH,
50 };
51
52 /** The different listing modes of the ls command. */
53 enum ls_listing_mode {
54 /** Default listing mode. */
55 LS_MODE_SHORT,
56 /** -l or -ll */
57 LS_MODE_LONG,
58 /** -lv */
59 LS_MODE_VERBOSE,
60 /** -lm */
61 LS_MODE_MBOX
62 };
63
64 /** The flags accepted by the ls command. */
65 enum ls_flags {
66 /** -p */
67 LS_FLAG_FULL_PATH = 1,
68 /** -a */
69 LS_FLAG_ADMISSIBLE_ONLY = 2,
70 /** -r */
71 LS_FLAG_REVERSE = 4,
72 };
73
74 /**
75 * The size of the individual output fields of the ls command.
76 *
77 * These depend on the actual content being listed. If, for instance only files
78 * with duration less than an hour are being listed, then the duration with is
79 * made smaller because then the duration is listed as mm:ss rather than
80 * hh:mm:ss.
81 */
82 struct ls_widths {
83 /** size of the score field. */
84 unsigned short score_width;
85 /** size of the image id field. */
86 unsigned short image_id_width;
87 /** size of the lyrics id field. */
88 unsigned short lyrics_id_width;
89 /** size of the bitrate field. */
90 unsigned short bitrate_width;
91 /** size of the frequency field. */
92 unsigned short frequency_width;
93 /** size of the duration field. */
94 unsigned short duration_width;
95 /** size of the num played field. */
96 unsigned short num_played_width;
97 };
98
99 /** Data passed to the different compare functions (called by qsort()). */
100 struct ls_data {
101 /** Usual audio format handler information. */
102 struct audio_format_info afhi;
103 /** Audio file selector information. */
104 struct afs_info afsi;
105 /** The full path of the audio file. */
106 char *path;
107 /** The score value (if -a was given). */
108 long score;
109 /** The sha1 hash of audio file. */
110 HASH_TYPE *hash;
111 };
112
113 struct ls_options {
114 unsigned flags;
115 enum ls_sorting_method sorting;
116 enum ls_listing_mode mode;
117 char **patterns;
118 int num_patterns;
119 struct ls_widths widths;
120 uint32_t array_size;
121 uint32_t num_matching_paths;
122 struct ls_data *data;
123 struct ls_data **data_ptr;
124 };
125
126 /**
127 * Describes the layout of the mmapped-afs info struct.
128 *
129 * \sa struct afs_info.
130 */
131 enum afsi_offsets {
132 /** Where .last_played is stored. */
133 AFSI_LAST_PLAYED_OFFSET = 0,
134 /** Storage position of the attributes bitmap. */
135 AFSI_ATTRIBUTES_OFFSET = 8,
136 /** Storage position of the .num_played field. */
137 AFSI_NUM_PLAYED_OFFSET = 16,
138 /** Storage position of the .image_id field. */
139 AFSI_IMAGE_ID_OFFSET = 20,
140 /** Storage position of the .lyrics_id field. */
141 AFSI_LYRICS_ID_OFFSET = 24,
142 /** Storage position of the .audio_format_id field. */
143 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
144 /** 3 bytes reserved space for future usage. */
145 AFSI_AUDIO_FORMAT_UNUSED_OFFSET = 29,
146 /** On-disk storage space needed. */
147 AFSI_SIZE = 32
148 };
149
150 /**
151 * Convert a struct afs_info to an osl object.
152 *
153 * \param afsi Pointer to the audio file info to be converted.
154 * \param obj Result pointer.
155 *
156 * \sa load_afsi().
157 */
158 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
159 {
160 char *buf = obj->data;
161
162 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
163 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
164 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
165 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
166 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
167 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
168 afsi->audio_format_id);
169 memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 3);
170 }
171
172 /**
173 * Get the audio file selector info struct stored in an osl object.
174 *
175 * \param afsi Points to the audio_file info structure to be filled in.
176 * \param obj The osl object holding the data.
177 *
178 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
179 *
180 * \sa save_afsi().
181 */
182 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
183 {
184 char *buf = obj->data;
185 if (obj->size < AFSI_SIZE)
186 return -E_BAD_AFSI;
187 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
188 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
189 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
190 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
191 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
192 afsi->audio_format_id = read_u8(buf +
193 AFSI_AUDIO_FORMAT_ID_OFFSET);
194 return 1;
195 }
196
197 /** The columns of the audio file table. */
198 enum audio_file_table_columns {
199 /** The hash on the content of the audio file. */
200 AFTCOL_HASH,
201 /** The full path in the filesystem. */
202 AFTCOL_PATH,
203 /** The audio file selector info. */
204 AFTCOL_AFSI,
205 /** The audio format handler info. */
206 AFTCOL_AFHI,
207 /** The chunk table info and the chunk table of the audio file. */
208 AFTCOL_CHUNKS,
209 /** The number of columns of this table. */
210 NUM_AFT_COLUMNS
211 };
212
213 static struct osl_column_description aft_cols[] = {
214 [AFTCOL_HASH] = {
215 .storage_type = OSL_MAPPED_STORAGE,
216 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
217 .name = "hash",
218 .compare_function = osl_hash_compare,
219 .data_size = HASH_SIZE
220 },
221 [AFTCOL_PATH] = {
222 .storage_type = OSL_MAPPED_STORAGE,
223 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
224 .name = "path",
225 .compare_function = string_compare,
226 },
227 [AFTCOL_AFSI] = {
228 .storage_type = OSL_MAPPED_STORAGE,
229 .storage_flags = OSL_FIXED_SIZE,
230 .name = "afs_info",
231 .data_size = AFSI_SIZE
232 },
233 [AFTCOL_AFHI] = {
234 .storage_type = OSL_MAPPED_STORAGE,
235 .name = "afh_info",
236 },
237 [AFTCOL_CHUNKS] = {
238 .storage_type = OSL_DISK_STORAGE,
239 .name = "chunks",
240 }
241 };
242
243 static struct osl_table_description audio_file_table_desc = {
244 .name = "audio_files",
245 .num_columns = NUM_AFT_COLUMNS,
246 .flags = OSL_LARGE_TABLE,
247 .column_descriptions = aft_cols
248 };
249
250 /* We don't want * dot or dot-dot anywhere. */
251 static int verify_dotfile(const char *rest)
252 {
253 /*
254 * The first character was '.', but that has already been discarded, we
255 * now test the rest.
256 */
257 switch (*rest) {
258 case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
259 return -1;
260 case '.': /* path start with /foo/.. */
261 if (rest[1] == '\0' || rest[1] == '/')
262 return -1; /* /foo/.. or /foo/../bar are not ok */
263 /* /foo/..bar is ok */
264 }
265 return 1;
266 }
267
268 /*
269 * We fundamentally don't like some paths: We don't want double slashes or
270 * slashes at the end that can make pathnames ambiguous.
271 */
272 static int verify_path(const char *orig_path, char **resolved_path)
273 {
274 char c;
275 size_t len;
276 char *path;
277
278 if (*orig_path != '/') /* we only accept absolute paths */
279 return -E_BAD_PATH;
280 len = strlen(orig_path);
281 *resolved_path = para_strdup(orig_path);
282 path = *resolved_path;
283 while (len > 1 && path[--len] == '/')
284 path[len] = '\0'; /* remove slash at the end */
285 c = *path++;
286 while (c) {
287 if (c == '/') {
288 c = *path++;
289 switch (c) {
290 case '/': /* double slash */
291 goto bad_path;
292 case '.':
293 if (verify_dotfile(path) < 0)
294 goto bad_path;
295 default:
296 continue;
297 }
298 }
299 c = *path++;
300 }
301 return 1;
302 bad_path:
303 free(*resolved_path);
304 return -E_BAD_PATH;
305 }
306
307 /** The on-disk layout of a afhi struct. */
308 enum afhi_offsets {
309 /** Where the number of seconds is stored. */
310 AFHI_SECONDS_TOTAL_OFFSET = 0,
311 /** Position of the bitrate. */
312 AFHI_BITRATE_OFFSET = 4,
313 /** Position of the frequency. */
314 AFHI_FREQUENCY_OFFSET = 8,
315 /** Number of channels is stored here. */
316 AFHI_CHANNELS_OFFSET = 12,
317 /** The tag info position. */
318 AFHI_INFO_STRING_OFFSET = 13,
319 /** Minimal on-disk size of a valid afhi struct. */
320 MIN_AFHI_SIZE = 14
321 };
322
323 static unsigned sizeof_afhi_buf(const struct audio_format_info *afhi)
324 {
325 if (!afhi)
326 return 0;
327 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
328 }
329
330 static void save_afhi(struct audio_format_info *afhi, char *buf)
331 {
332 if (!afhi)
333 return;
334 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
335 afhi->seconds_total);
336 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
337 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
338 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
339 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
340 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
341 }
342
343 static void load_afhi(const char *buf, struct audio_format_info *afhi)
344 {
345 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
346 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
347 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
348 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
349 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
350 }
351
352 //#define SIZEOF_CHUNK_TABLE(afhi) (((afhi)->chunks_total + 1) * sizeof(uint32_t))
353
354 static unsigned sizeof_chunk_info_buf(struct audio_format_info *afhi)
355 {
356 if (!afhi)
357 return 0;
358 return 4 * (afhi->chunks_total + 1) + 20;
359
360 }
361
362 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
363 enum chunk_info_offsets{
364 /** The total number of chunks (4 bytes). */
365 CHUNKS_TOTAL_OFFSET = 0,
366 /** The length of the audio file header (4 bytes). */
367 HEADER_LEN_OFFSET = 4,
368 /** The start of the audio file header (4 bytes). */
369 HEADER_OFFSET_OFFSET = 8,
370 /** The seconds part of the chunk time (4 bytes). */
371 CHUNK_TV_TV_SEC_OFFSET = 12,
372 /** The microseconds part of the chunk time (4 bytes). */
373 CHUNK_TV_TV_USEC = 16,
374 /** Chunk table entries start here. */
375 CHUNK_TABLE_OFFSET = 20,
376 };
377
378 static void save_chunk_table(struct audio_format_info *afhi, char *buf)
379 {
380 int i;
381
382 PARA_NOTICE_LOG("%lu chunks\n", afhi->chunks_total);
383 for (i = 0; i <= afhi->chunks_total; i++)
384 write_u32(buf + 4 * i, afhi->chunk_table[i]);
385 }
386
387 static void load_chunk_table(struct audio_format_info *afhi, char *buf)
388 {
389 int i;
390 for (i = 0; i <= afhi->chunks_total; i++)
391 afhi->chunk_table[i] = read_u32(buf + 4 * i);
392 }
393
394 /* TODO: audio format handlers could just produce this */
395 static void save_chunk_info(struct audio_format_info *afhi, char *buf)
396 {
397 if (!afhi)
398 return;
399 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
400 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
401 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
402 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
403 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
404 save_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
405 }
406
407 static int load_chunk_info(struct osl_object *obj, struct audio_format_info *afhi)
408 {
409 char *buf = obj->data;
410
411 if (obj->size < CHUNK_TABLE_OFFSET)
412 return -E_BAD_DATA_SIZE;
413
414 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
415 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
416 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
417 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
418 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
419
420 if ((afhi->chunks_total + 1) * 4 + CHUNK_TABLE_OFFSET > obj->size)
421 return -E_BAD_DATA_SIZE;
422 afhi->chunk_table = para_malloc((afhi->chunks_total + 1) * 4);
423 load_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
424 return 1;
425 }
426
427 /**
428 * Get the row of the audio file table corresponding to the given path.
429 *
430 * \param path The full path of the audio file.
431 * \param row Result pointer.
432 *
433 * \return The return value of the underlying call to osl_get_row().
434 */
435 int aft_get_row_of_path(const char *path, struct osl_row **row)
436 {
437 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
438
439 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
440 }
441
442 /**
443 * Get the row of the audio file table corresponding to the given hash value.
444 *
445 * \param hash The hash value of the desired audio file.
446 * \param row resul pointer.
447 *
448 * \return The return value of the underlying call to osl_get_row().
449 */
450 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
451 {
452 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
453 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
454 }
455
456 /**
457 * Get the osl object holding the audio file selector info of a row.
458 *
459 * \param row Pointer to a row in the audio file table.
460 * \param obj Result pointer.
461 *
462 * \return The return value of the underlying call to osl_get_object().
463 */
464 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
465 {
466 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
467 }
468
469 /**
470 * Get the osl object holding the audio file selector info, given a path.
471 *
472 *
473 * \param path The full path of the audio file.
474 * \param obj Result pointer.
475 *
476 * \return Positive on success, negative on errors.
477 */
478 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
479 {
480 struct osl_row *row;
481 int ret = aft_get_row_of_path(path, &row);
482 if (ret < 0)
483 return ret;
484 return get_afsi_object_of_row(row, obj);
485 }
486
487 /**
488 * Get the audio file selector info, given a row of the audio file table.
489 *
490 * \param row Pointer to a row in the audio file table.
491 * \param afsi Result pointer.
492 *
493 * \return Positive on success, negative on errors.
494 */
495 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
496 {
497 struct osl_object obj;
498 int ret = get_afsi_object_of_row(row, &obj);
499 if (ret < 0)
500 return ret;
501 return load_afsi(afsi, &obj);
502 }
503
504 /**
505 * Get the audio file selector info, given the path of an audio table.
506 *
507 * \param path The full path of the audio file.
508 * \param afsi Result pointer.
509 *
510 * \return Positive on success, negative on errors.
511 */
512 int get_afsi_of_path(const char *path, struct afs_info *afsi)
513 {
514 struct osl_object obj;
515 int ret = get_afsi_object_of_path(path, &obj);
516 if (ret < 0)
517 return ret;
518 return load_afsi(afsi, &obj);
519 }
520
521 /**
522 * Get the path of an audio file, given a row of the audio file table.
523 *
524 * \param row Pointer to a row in the audio file table.
525 * \param path Result pointer.
526 *
527 * The result is a pointer to mmapped data. The caller must not attempt
528 * to free it.
529 *
530 * \return Standard.
531 */
532 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
533 {
534 struct osl_object path_obj;
535 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
536 &path_obj);
537 if (ret < 0)
538 return ret;
539 *path = path_obj.data;
540 return 1;
541 }
542
543 /**
544 * Get the object containing the hash value of an audio file, given a row.
545 *
546 * \param row Pointer to a row of the audio file table.
547 * \param obj Result pointer.
548 *
549 * \return The return value of the underlying call to osl_get_object().
550 *
551 * \sa get_hash_of_row().
552 */
553 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
554 {
555 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
556 }
557
558 /**
559 * Get the hash value of an audio file, given a row of the audio file table.
560 *
561 * \param row Pointer to a row of the audio file table.
562 * \param hash Result pointer.
563 *
564 * \a hash points to mapped data and must not be freed by the caller.
565 *
566 * \return The return value of the underlying call to
567 * get_hash_object_of_aft_row().
568 */
569 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
570 {
571 struct osl_object obj;
572 int ret = get_hash_object_of_aft_row(row, &obj);
573
574 if (ret < 0)
575 return ret;
576 *hash = obj.data;
577 return 1;
578 }
579
580 /**
581 * Get the audio format handler info, given a row of the audio file table.
582 *
583 * \param row Pointer to a row of the audio file table.
584 * \param afhi Result pointer.
585 *
586 * \return The return value of the underlying call to osl_get_object().
587 *
588 * \sa get_chunk_table_of_row().
589 */
590 int get_afhi_of_row(const struct osl_row *row, struct audio_format_info *afhi)
591 {
592 struct osl_object obj;
593 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
594 &obj);
595 if (ret < 0)
596 return ret;
597 load_afhi(obj.data, afhi);
598 return 1;
599 }
600
601 /* returns shmid on success */
602 static int save_afd(struct audio_file_data *afd)
603 {
604 size_t size = sizeof(*afd)
605 + 4 * (afd->afhi.chunks_total + 1);
606
607 PARA_NOTICE_LOG("size: %zu\n", size);
608 int shmid, ret = shm_new(size);
609 void *shm_afd;
610 char *buf;
611
612 if (ret < 0)
613 return ret;
614 shmid = ret;
615 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
616 if (ret < 0)
617 goto err;
618 *(struct audio_file_data *)shm_afd = *afd;
619 buf = shm_afd;
620 buf += sizeof(*afd);
621 save_chunk_table(&afd->afhi, buf);
622 shm_detach(shm_afd);
623 return shmid;
624 err:
625 shm_destroy(shmid);
626 return ret;
627 }
628
629 int load_afd(int shmid, struct audio_file_data *afd)
630 {
631 void *shm_afd;
632 char *buf;
633 int ret;
634
635 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
636 if (ret < 0)
637 return ret;
638 *afd = *(struct audio_file_data *)shm_afd;
639 buf = shm_afd;
640 buf += sizeof(*afd);
641 afd->afhi.chunk_table = para_malloc((afd->afhi.chunks_total + 1) * 4);
642 load_chunk_table(&afd->afhi, buf);
643 shm_detach(shm_afd);
644 return 1;
645 }
646
647 /**
648 * Mmap the given audio file and update statistics.
649 *
650 * \param aft_row Determines the audio file to be opened and updated.
651 * \param afd Result pointer.
652 *
653 * On success, the numplayed field of the audio file selector info is increased
654 * and the lastplayed time is set to the current time. Finally, the score of
655 * the audio file is updated.
656 *
657 * \return Positive on success, negative on errors.
658 */
659 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
660 {
661 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
662 struct osl_object afsi_obj;
663 struct afs_info new_afsi;
664 int ret = get_hash_of_row(aft_row, &aft_hash);
665 struct afsi_change_event_data aced;
666 struct osl_object map, chunk_table_obj;
667 char *tmp, *path;
668
669 if (ret < 0)
670 return ret;
671 ret = get_audio_file_path_of_row(aft_row, &path);
672 if (ret < 0)
673 return ret;
674 strncpy(afd->path, path, sizeof(afd->path) - 1);
675 afd->path[sizeof(afd->path) - 1] = '\0';
676 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
677 if (ret < 0)
678 return ret;
679 ret = load_afsi(&afd->afsi, &afsi_obj);
680 if (ret < 0)
681 return ret;
682 ret = get_afhi_of_row(aft_row, &afd->afhi);
683 if (ret < 0)
684 return ret;
685 ret = osl_open_disk_object(audio_file_table, aft_row,
686 AFTCOL_CHUNKS, &chunk_table_obj);
687 if (ret < 0)
688 return ret;
689 ret = mmap_full_file(path, O_RDONLY, &map.data,
690 &map.size, &afd->fd);
691 if (ret < 0)
692 goto err;
693 hash_function(map.data, map.size, file_hash);
694 ret = hash_compare(file_hash, aft_hash);
695 para_munmap(map.data, map.size);
696 if (ret) {
697 ret = -E_HASH_MISMATCH;
698 goto err;
699 }
700 new_afsi = afd->afsi;
701 new_afsi.num_played++;
702 new_afsi.last_played = time(NULL);
703 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
704
705 ret = load_chunk_info(&chunk_table_obj, &afd->afhi);
706 if (ret < 0)
707 goto err;
708 ret = get_attribute_text(&afd->afsi.attributes, " ", &tmp);
709 if (ret < 0)
710 goto err;
711 tmp[sizeof(afd->attributes_string) - 1] = '\0';
712 strcpy(afd->attributes_string, tmp); /* OK */
713 free(tmp);
714
715 aced.aft_row = aft_row;
716 aced.old_afsi = &afd->afsi;
717 afs_event(AFSI_CHANGE, NULL, &aced);
718 ret = save_afd(afd);
719 if (ret < 0)
720 goto err;
721 free(afd->afhi.chunk_table);
722 err:
723 osl_close_disk_object(&chunk_table_obj);
724 return ret;
725 }
726
727 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
728 time_t current_time, enum ls_listing_mode lm)
729 {
730 struct tm t;
731
732 if (!localtime_r((time_t *)seconds, &t))
733 return -E_LOCALTIME;
734 if (lm == LS_MODE_MBOX) {
735 if (!strftime(buf, size, "%c", &t))
736 return -E_STRFTIME;
737 return 1;
738 }
739 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
740 if (!strftime(buf, size, "%b %e %k:%M", &t))
741 return -E_STRFTIME;
742 return 1;
743 }
744 if (!strftime(buf, size, "%b %e %Y", &t))
745 return -E_STRFTIME;
746 return 1;
747 }
748
749 /** Compute the number of (decimal) digits of a number. */
750 #define GET_NUM_DIGITS(x, num) { \
751 typeof((x)) _tmp = PARA_ABS(x); \
752 *num = 1; \
753 if ((x)) \
754 while ((_tmp) > 9) { \
755 (_tmp) /= 10; \
756 (*num)++; \
757 } \
758 }
759
760 static short unsigned get_duration_width(int seconds)
761 {
762 short unsigned width;
763 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
764
765 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
766 return 4 + (mins > 9);
767 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
768 GET_NUM_DIGITS(hours, &width);
769 return width + 6;
770 }
771
772 static void get_duration_buf(int seconds, char *buf, short unsigned max_width)
773 {
774 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
775
776 if (!hours) /* m:ss or mm:ss */
777 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
778 else /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
779 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
780 seconds % 60);
781 }
782
783 static char *make_attribute_line(const char *att_bitmap, struct afs_info *afsi)
784 {
785 char *att_text, *att_line;
786
787 get_attribute_text(&afsi->attributes, " ", &att_text);
788 if (!att_text)
789 return para_strdup(att_bitmap);
790 att_line = make_message("%s (%s)", att_bitmap, att_text);
791 free(att_text);
792 return att_line;
793 }
794
795 static char *make_lyrics_line(struct afs_info *afsi)
796 {
797 char *lyrics_name;
798
799 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
800 if (!lyrics_name)
801 return make_message("%u", afsi->lyrics_id);
802 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
803 }
804
805 static char *make_image_line(struct afs_info *afsi)
806 {
807 char *image_name;
808 img_get_name_by_id(afsi->image_id, &image_name);
809 if (!image_name)
810 return make_message("%u", afsi->image_id);
811 return make_message("%u (%s)", afsi->image_id, image_name);
812 }
813
814 static int print_list_item(struct ls_data *d, struct ls_options *opts,
815 struct para_buffer *b, time_t current_time)
816 {
817 int ret;
818 char att_buf[65];
819 char last_played_time[30];
820 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
821 char score_buf[30] = "";
822 struct afs_info *afsi = &d->afsi;
823 struct audio_format_info *afhi = &d->afhi;
824 struct ls_widths *w = &opts->widths;
825 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
826 char asc_hash[2 * HASH_SIZE + 1];
827 char *att_line, *lyrics_line, *image_line;
828
829 if (opts->mode == LS_MODE_SHORT) {
830 para_printf(b, "%s\n", d->path);
831 return 1;
832 }
833 get_attribute_bitmap(&afsi->attributes, att_buf);
834 ret = get_local_time(&afsi->last_played, last_played_time,
835 sizeof(last_played_time), current_time, opts->mode);
836 if (ret < 0)
837 return ret;
838 get_duration_buf(afhi->seconds_total, duration_buf, w->duration_width);
839 if (have_score) {
840 if (opts->mode == LS_MODE_LONG)
841 sprintf(score_buf, "%*li ", w->score_width, d->score);
842 else
843 sprintf(score_buf, "%li ", d->score);
844 }
845
846 if (opts->mode == LS_MODE_LONG) {
847 para_printf(b,
848 "%s" /* score */
849 "%s " /* attributes */
850 "%*d " /* image_id */
851 "%*d " /* lyrics_id */
852 "%*d " /* bitrate */
853 "%s " /* audio format */
854 "%*d " /* frequency */
855 "%d " /* channels */
856 "%s " /* duration */
857 "%*d " /* num_played */
858 "%s " /* last_played */
859 "%s\n", /* path */
860 score_buf,
861 att_buf,
862 w->image_id_width, afsi->image_id,
863 w->lyrics_id_width, afsi->lyrics_id,
864 w->bitrate_width, afhi->bitrate,
865 audio_format_name(afsi->audio_format_id),
866 w->frequency_width, afhi->frequency,
867 afhi->channels,
868 duration_buf,
869 w->num_played_width, afsi->num_played,
870 last_played_time,
871 d->path
872 );
873 return 1;
874 }
875 hash_to_asc(d->hash, asc_hash);
876 att_line = make_attribute_line(att_buf, afsi);
877 lyrics_line = make_lyrics_line(afsi);
878 image_line = make_image_line(afsi);
879 if (opts->mode == LS_MODE_VERBOSE) {
880
881 para_printf(b,
882 "%s: %s\n" /* path */
883 "%s%s%s" /* score */
884 "attributes: %s\n"
885 "hash: %s\n"
886 "image_id: %s\n"
887 "lyrics_id: %s\n"
888 "bitrate: %dkbit/s\n"
889 "format: %s\n"
890 "frequency: %dHz\n"
891 "channels: %d\n"
892 "duration: %s\n"
893 "num_played: %d\n"
894 "last_played: %s\n"
895 "tag info: %s\n",
896 (opts->flags & LS_FLAG_FULL_PATH)?
897 "path" : "file", d->path,
898 have_score? "score: " : "", score_buf,
899 have_score? "\n" : "",
900 att_line,
901 asc_hash,
902 image_line,
903 lyrics_line,
904 afhi->bitrate,
905 audio_format_name(afsi->audio_format_id),
906 afhi->frequency,
907 afhi->channels,
908 duration_buf,
909 afsi->num_played,
910 last_played_time,
911 afhi->info_string
912 );
913 } else { /* mbox mode */
914 struct osl_object lyrics_def;
915 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
916 para_printf(b,
917 "From foo@localhost %s\n"
918 "Received: from\nTo: bar\nFrom: a\n"
919 "Subject: %s\n\n" /* path */
920 "%s%s%s" /* score */
921 "attributes: %s\n"
922 "hash: %s\n"
923 "image_id: %s\n"
924 "lyrics_id: %s\n"
925 "bitrate: %dkbit/s\n"
926 "format: %s\n"
927 "frequency: %dHz\n"
928 "channels: %d\n"
929 "duration: %s\n"
930 "num_played: %d\n"
931 "tag info: %s\n"
932 "%s%s\n",
933 last_played_time,
934 d->path,
935 have_score? "score: " : "", score_buf,
936 have_score? "\n" : "",
937 att_line,
938 asc_hash,
939 image_line,
940 lyrics_line,
941 afhi->bitrate,
942 audio_format_name(afsi->audio_format_id),
943 afhi->frequency,
944 afhi->channels,
945 duration_buf,
946 afsi->num_played,
947 afhi->info_string,
948 lyrics_def.data? "Lyrics:\n~~~~~~~\n" : "",
949 lyrics_def.data? (char *)lyrics_def.data : ""
950 );
951 if (lyrics_def.data)
952 osl_close_disk_object(lyrics_def.data);
953 }
954 free(att_line);
955 free(lyrics_line);
956 free(image_line);
957 return 1;
958 }
959
960 static int ls_audio_format_compare(const void *a, const void *b)
961 {
962 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
963 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
964 }
965
966 static int ls_duration_compare(const void *a, const void *b)
967 {
968 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
969 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
970 }
971
972 static int ls_bitrate_compare(const void *a, const void *b)
973 {
974 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
975 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
976 }
977
978 static int ls_lyrics_id_compare(const void *a, const void *b)
979 {
980 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
981 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
982 }
983
984 static int ls_image_id_compare(const void *a, const void *b)
985 {
986 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
987 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
988 }
989
990 static int ls_channels_compare(const void *a, const void *b)
991 {
992 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
993 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
994 }
995
996 static int ls_frequency_compare(const void *a, const void *b)
997 {
998 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
999 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1000 }
1001
1002 static int ls_num_played_compare(const void *a, const void *b)
1003 {
1004 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1005 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1006 }
1007
1008 static int ls_last_played_compare(const void *a, const void *b)
1009 {
1010 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1011 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1012 }
1013
1014 static int ls_score_compare(const void *a, const void *b)
1015 {
1016 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1017 return NUM_COMPARE(d1->score, d2->score);
1018 }
1019
1020 static int ls_path_compare(const void *a, const void *b)
1021 {
1022 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1023 return strcmp(d1->path, d2->path);
1024 }
1025
1026 static int sort_matching_paths(struct ls_options *options)
1027 {
1028 size_t nmemb = options->num_matching_paths;
1029 size_t size = sizeof(*options->data_ptr);
1030 int (*compar)(const void *, const void *);
1031 int i;
1032
1033 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1034 for (i = 0; i < nmemb; i++)
1035 options->data_ptr[i] = options->data + i;
1036
1037 /* In these cases the array is already sorted */
1038 if (options->sorting == LS_SORT_BY_PATH
1039 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1040 && (options->flags & LS_FLAG_FULL_PATH))
1041 return 1;
1042 if (options->sorting == LS_SORT_BY_SCORE &&
1043 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1044 return 1;
1045
1046 switch (options->sorting) {
1047 case LS_SORT_BY_PATH:
1048 compar = ls_path_compare; break;
1049 case LS_SORT_BY_SCORE:
1050 compar = ls_score_compare; break;
1051 case LS_SORT_BY_LAST_PLAYED:
1052 compar = ls_last_played_compare; break;
1053 case LS_SORT_BY_NUM_PLAYED:
1054 compar = ls_num_played_compare; break;
1055 case LS_SORT_BY_FREQUENCY:
1056 compar = ls_frequency_compare; break;
1057 case LS_SORT_BY_CHANNELS:
1058 compar = ls_channels_compare; break;
1059 case LS_SORT_BY_IMAGE_ID:
1060 compar = ls_image_id_compare; break;
1061 case LS_SORT_BY_LYRICS_ID:
1062 compar = ls_lyrics_id_compare; break;
1063 case LS_SORT_BY_BITRATE:
1064 compar = ls_bitrate_compare; break;
1065 case LS_SORT_BY_DURATION:
1066 compar = ls_duration_compare; break;
1067 case LS_SORT_BY_AUDIO_FORMAT:
1068 compar = ls_audio_format_compare; break;
1069 default:
1070 return -E_BAD_SORT;
1071 }
1072 qsort(options->data_ptr, nmemb, size, compar);
1073 return 1;
1074 }
1075
1076 /* row is either an aft_row or a row of the score table */
1077 /* TODO: Only compute widths if we need them */
1078 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1079 {
1080 int ret, i;
1081 struct ls_options *options = ls_opts;
1082 struct ls_data *d;
1083 struct ls_widths *w;
1084 unsigned short num_digits;
1085 unsigned tmp;
1086 struct osl_row *aft_row;
1087 long score;
1088 char *path;
1089
1090 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1091 ret = get_score_and_aft_row(row, &score, &aft_row);
1092 if (ret < 0)
1093 return ret;
1094 } else
1095 aft_row = row;
1096 ret = get_audio_file_path_of_row(aft_row, &path);
1097 if (ret < 0)
1098 return ret;
1099 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1100 char *p = strrchr(path, '/');
1101 if (p)
1102 path = p + 1;
1103 }
1104 if (options->num_patterns) {
1105 for (i = 0; i < options->num_patterns; i++) {
1106 ret = fnmatch(options->patterns[i], path, 0);
1107 if (!ret)
1108 break;
1109 if (ret == FNM_NOMATCH)
1110 continue;
1111 return -E_FNMATCH;
1112 }
1113 if (i >= options->num_patterns) /* no match */
1114 return 1;
1115 }
1116 tmp = options->num_matching_paths++;
1117 if (options->num_matching_paths > options->array_size) {
1118 options->array_size++;
1119 options->array_size *= 2;
1120 options->data = para_realloc(options->data, options->array_size
1121 * sizeof(*options->data));
1122 }
1123 d = options->data + tmp;
1124 ret = get_afsi_of_row(aft_row, &d->afsi);
1125 if (ret < 0)
1126 return ret;
1127 ret = get_afhi_of_row(aft_row, &d->afhi);
1128 if (ret < 0)
1129 return ret;
1130 d->path = path;
1131 ret = get_hash_of_row(aft_row, &d->hash);
1132 if (ret < 0)
1133 return ret;
1134 w = &options->widths;
1135 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1136 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1137 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1138 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1139 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1140 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1141 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1142 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1143 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1144 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1145 /* get the number of chars to print this amount of time */
1146 tmp = get_duration_width(d->afhi.seconds_total);
1147 w->duration_width = PARA_MAX(w->duration_width, tmp);
1148 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1149 GET_NUM_DIGITS(score, &num_digits);
1150 num_digits++; /* add one for the sign (space or "-") */
1151 w->score_width = PARA_MAX(w->score_width, num_digits);
1152 d->score = score;
1153 }
1154 return 1;
1155 }
1156
1157 static int com_ls_callback(const struct osl_object *query,
1158 struct osl_object *ls_output)
1159 {
1160 struct ls_options *opts = query->data;
1161 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1162 struct para_buffer b = {.buf = NULL, .size = 0};
1163 int i = 0, ret;
1164 time_t current_time;
1165
1166
1167 if (opts->num_patterns) {
1168 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1169 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1170 opts->patterns[i] = p;
1171 p += strlen(p) + 1;
1172 }
1173 } else
1174 opts->patterns = NULL;
1175 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1176 ret = admissible_file_loop(opts, prepare_ls_row);
1177 else
1178 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1179 prepare_ls_row);
1180 if (ret < 0)
1181 goto out;
1182 ret = opts->num_patterns? -E_NO_MATCH : 0;
1183 if (!opts->num_matching_paths)
1184 goto out;
1185 ret = sort_matching_paths(opts);
1186 if (ret < 0)
1187 goto out;
1188 time(&current_time);
1189 if (opts->flags & LS_FLAG_REVERSE)
1190 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1191 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1192 if (ret < 0)
1193 break;
1194 }
1195 else
1196 for (i = 0; i < opts->num_matching_paths; i++) {
1197 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1198 if (ret < 0)
1199 break;
1200 }
1201 ret = 1;
1202 out:
1203 ls_output->data = b.buf;
1204 ls_output->size = b.size;
1205 free(opts->data);
1206 free(opts->data_ptr);
1207 free(opts->patterns);
1208 return ret;
1209 }
1210
1211 /*
1212 * TODO: flags -h (sort by hash) -lm (list in mbox format)
1213 *
1214 * long list: list hash, attributes as (xx--x-x-), file size, lastplayed
1215 * full list: list everything, including afsi, afhi, atts as clear text
1216 *
1217 * */
1218 int com_ls(int fd, int argc, char * const * const argv)
1219 {
1220 int i, ret;
1221 unsigned flags = 0;
1222 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1223 enum ls_listing_mode mode = LS_MODE_SHORT;
1224 struct ls_options opts = {.patterns = NULL};
1225 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1226 ls_output;
1227
1228 for (i = 1; i < argc; i++) {
1229 const char *arg = argv[i];
1230 if (arg[0] != '-')
1231 break;
1232 if (!strcmp(arg, "--")) {
1233 i++;
1234 break;
1235 }
1236 if (!strncmp(arg, "-l", 2)) {
1237 if (!*(arg + 2)) {
1238 mode = LS_MODE_LONG;
1239 continue;
1240 }
1241 if (*(arg + 3))
1242 return -E_AFT_SYNTAX;
1243 switch(*(arg + 2)) {
1244 case 's':
1245 mode = LS_MODE_SHORT;
1246 continue;
1247 case 'l':
1248 mode = LS_MODE_LONG;
1249 continue;
1250 case 'v':
1251 mode = LS_MODE_VERBOSE;
1252 continue;
1253 case 'm':
1254 mode = LS_MODE_MBOX;
1255 continue;
1256 default:
1257 return -E_AFT_SYNTAX;
1258 }
1259 }
1260 if (!strcmp(arg, "-p")) {
1261 flags |= LS_FLAG_FULL_PATH;
1262 continue;
1263 }
1264 if (!strcmp(arg, "-a")) {
1265 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1266 continue;
1267 }
1268 if (!strcmp(arg, "-r")) {
1269 flags |= LS_FLAG_REVERSE;
1270 continue;
1271 }
1272 if (!strncmp(arg, "-s", 2)) {
1273 if (!*(arg + 2) || *(arg + 3))
1274 return -E_AFT_SYNTAX;
1275 switch(*(arg + 2)) {
1276 case 'p':
1277 sort = LS_SORT_BY_PATH;
1278 continue;
1279 case 's': /* -ss implies -a */
1280 sort = LS_SORT_BY_SCORE;
1281 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1282 continue;
1283 case 'l':
1284 sort = LS_SORT_BY_LAST_PLAYED;
1285 continue;
1286 case 'n':
1287 sort = LS_SORT_BY_NUM_PLAYED;
1288 continue;
1289 case 'f':
1290 sort = LS_SORT_BY_FREQUENCY;
1291 continue;
1292 case 'c':
1293 sort = LS_SORT_BY_CHANNELS;
1294 continue;
1295 case 'i':
1296 sort = LS_SORT_BY_IMAGE_ID;
1297 continue;
1298 case 'y':
1299 sort = LS_SORT_BY_LYRICS_ID;
1300 continue;
1301 case 'b':
1302 sort = LS_SORT_BY_BITRATE;
1303 continue;
1304 case 'd':
1305 sort = LS_SORT_BY_DURATION;
1306 continue;
1307 case 'a':
1308 sort = LS_SORT_BY_AUDIO_FORMAT;
1309 continue;
1310 default:
1311 return -E_AFT_SYNTAX;
1312 }
1313 }
1314 return -E_AFT_SYNTAX;
1315 }
1316 opts.flags = flags;
1317 opts.sorting = sort;
1318 opts.mode = mode;
1319 opts.num_patterns = argc - i;
1320 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1321 argv + i, com_ls_callback, &ls_output);
1322 if (ret > 0) {
1323 ret = send_buffer(fd, (char *)ls_output.data);
1324 free(ls_output.data);
1325 }
1326 return ret;
1327 }
1328
1329 /**
1330 * Call the given function for each file in the audio file table.
1331 *
1332 * \param private_data An arbitrary data pointer, passed to \a func.
1333 * \param func The custom function to be called.
1334 *
1335 * \return The return value of the underlying call to osl_rbtree_loop().
1336 */
1337 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1338 {
1339 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1340 func);
1341 }
1342
1343 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1344 {
1345 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1346 struct osl_row *row;
1347
1348 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1349 return row;
1350 }
1351
1352 enum aft_row_offsets {
1353 AFTROW_AFHI_OFFSET_POS = 0,
1354 AFTROW_CHUNKS_OFFSET_POS = 2,
1355 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1356 AFTROW_FLAGS_OFFSET = 5,
1357 AFTROW_HASH_OFFSET = 9,
1358 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1359 };
1360
1361 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1362 * In this case, afhi won't be stored in the buffer */
1363 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1364 struct audio_format_info *afhi, uint32_t flags,
1365 uint8_t audio_format_num, struct osl_object *obj)
1366 {
1367 size_t path_len = strlen(path) + 1;
1368 size_t afhi_size = sizeof_afhi_buf(afhi);
1369 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1370 + sizeof_chunk_info_buf(afhi);
1371 char *buf = para_malloc(size);
1372 uint16_t pos;
1373
1374 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1375 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1376
1377 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1378 strcpy(buf + AFTROW_PATH_OFFSET, path);
1379
1380 pos = AFTROW_PATH_OFFSET + path_len;
1381 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1382 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1383 pos + afhi_size - 1);
1384 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1385 save_afhi(afhi, buf + pos);
1386
1387 pos += afhi_size;
1388 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1389 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1390 save_chunk_info(afhi, buf + pos);
1391 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1392 obj->data = buf;
1393 obj->size = size;
1394 }
1395
1396 /*
1397 input:
1398 ~~~~~~
1399 HS: hash sister
1400 PB: path brother
1401 F: force flag given
1402
1403 output:
1404 ~~~~~~~
1405 AFHI: whether afhi and chunk table are computed and sent
1406 ACTION: table modifications to be performed
1407
1408 +---+----+-----+------+---------------------------------------------------+
1409 | HS | PB | F | AFHI | ACTION
1410 +---+----+-----+------+---------------------------------------------------+
1411 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1412 | | update path, keep afsi
1413 +---+----+-----+------+---------------------------------------------------+
1414 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1415 | | otherwise: remove PB, HS: update path, keep afhi,
1416 | | afsi.
1417 +---+----+-----+------+---------------------------------------------------+
1418 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1419 | | HS, keep afsi
1420 +---+----+-----+------+---------------------------------------------------+
1421 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1422 +---+----+-----+------+---------------------------------------------------+
1423 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1424 | | (force has no effect)
1425 +---+----+-----+------+---------------------------------------------------+
1426 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1427 +---+----+-----+------+---------------------------------------------------+
1428 | N | N | Y | Y | (new file) create new entry (force has no effect)
1429 +---+----+-----+------+---------------------------------------------------+
1430 | N | N | N | Y | (new file) create new entry
1431 +---+----+-----+------+---------------------------------------------------+
1432
1433 afhi <=> force or no HS
1434
1435 */
1436
1437 /** Flags passed to the add command. */
1438 enum com_add_flags {
1439 /** Skip paths that exist already. */
1440 ADD_FLAG_LAZY = 1,
1441 /** Force adding. */
1442 ADD_FLAG_FORCE = 2,
1443 /** Print what is being done. */
1444 ADD_FLAG_VERBOSE = 4,
1445 /** Try to add files with unknown suffixes. */
1446 ADD_FLAG_ALL = 8,
1447 };
1448
1449 static int com_add_callback(const struct osl_object *query,
1450 struct osl_object *result)
1451 {
1452 char *buf = query->data, *path;
1453 struct osl_row *pb, *aft_row;
1454 struct osl_row *hs;
1455 struct osl_object objs[NUM_AFT_COLUMNS];
1456 HASH_TYPE *hash;
1457 char asc[2 * HASH_SIZE + 1];
1458 int ret;
1459 char afsi_buf[AFSI_SIZE];
1460 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1461 struct afs_info default_afsi = {.last_played = 0};
1462 struct para_buffer msg = {.buf = NULL};
1463
1464 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1465 hash_to_asc(hash, asc);;
1466 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1467 objs[AFTCOL_HASH].size = HASH_SIZE;
1468
1469 path = buf + AFTROW_PATH_OFFSET;
1470 objs[AFTCOL_PATH].data = path;
1471 objs[AFTCOL_PATH].size = strlen(path) + 1;
1472
1473 PARA_INFO_LOG("request to add %s\n", path);
1474 hs = find_hash_sister(hash);
1475 ret = aft_get_row_of_path(path, &pb);
1476 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1477 return ret;
1478 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1479 if (flags & ADD_FLAG_VERBOSE)
1480 para_printf(&msg, "ignoring duplicate\n");
1481 ret = 1;
1482 goto out;
1483 }
1484 if (hs && hs != pb) {
1485 struct osl_object obj;
1486 if (pb) { /* hs trumps pb, remove pb */
1487 if (flags & ADD_FLAG_VERBOSE)
1488 para_printf(&msg, "removing path brother\n");
1489 ret = osl_del_row(audio_file_table, pb);
1490 if (ret < 0)
1491 goto out;
1492 pb = NULL;
1493 }
1494 /* file rename, update hs' path */
1495 if (flags & ADD_FLAG_VERBOSE) {
1496 ret = osl_get_object(audio_file_table, hs,
1497 AFTCOL_PATH, &obj);
1498 if (ret < 0)
1499 goto out;
1500 para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1501 }
1502 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1503 &objs[AFTCOL_PATH]);
1504 if (ret < 0)
1505 goto out;
1506 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1507 if (!(flags & ADD_FLAG_FORCE))
1508 goto out;
1509 }
1510 /* no hs or force mode, child must have sent afhi */
1511 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1512 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1513
1514 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1515 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1516 ret = -E_NO_AFHI;
1517 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1518 goto out;
1519 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1520 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1521 if (pb && !hs) { /* update pb's hash */
1522 char old_asc[2 * HASH_SIZE + 1];
1523 HASH_TYPE *old_hash;
1524 ret = get_hash_of_row(pb, &old_hash);
1525 if (ret < 0)
1526 goto out;
1527 hash_to_asc(old_hash, old_asc);
1528 if (flags & ADD_FLAG_VERBOSE)
1529 para_printf(&msg, "file change: %s -> %s\n",
1530 old_asc, asc);
1531 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1532 &objs[AFTCOL_HASH]);
1533 if (ret < 0)
1534 goto out;
1535 }
1536 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1537 struct osl_row *row = pb? pb : hs;
1538 /* update afhi and chunk_table */
1539 if (flags & ADD_FLAG_VERBOSE)
1540 para_printf(&msg, "updating afhi and chunk table\n");
1541 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1542 &objs[AFTCOL_AFHI]);
1543 if (ret < 0)
1544 goto out;
1545 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1546 &objs[AFTCOL_CHUNKS]);
1547 if (ret < 0)
1548 goto out;
1549 afs_event(AFHI_CHANGE, &msg, row);
1550 goto out;
1551 }
1552 /* new entry, use default afsi */
1553 if (flags & ADD_FLAG_VERBOSE)
1554 para_printf(&msg, "new file\n");
1555 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1556 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1557
1558 objs[AFTCOL_AFSI].data = &afsi_buf;
1559 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1560 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1561 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1562 out:
1563 if (ret < 0)
1564 para_printf(&msg, "%s\n", PARA_STRERROR(-ret));
1565 if (!msg.buf)
1566 return 0;
1567 result->data = msg.buf;
1568 result->size = msg.size;
1569 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1570 return 1;
1571 }
1572
1573 struct private_add_data {
1574 int fd;
1575 uint32_t flags;
1576 };
1577
1578 static int path_brother_callback(const struct osl_object *query,
1579 struct osl_object *result)
1580 {
1581 char *path = query->data;
1582 struct osl_row *path_brother;
1583 int ret = aft_get_row_of_path(path, &path_brother);
1584 if (ret < 0)
1585 return ret;
1586 result->data = para_malloc(sizeof(path_brother));
1587 result->size = sizeof(path_brother);
1588 *(struct osl_row **)(result->data) = path_brother;
1589 return 1;
1590 }
1591
1592 static int hash_sister_callback(const struct osl_object *query,
1593 struct osl_object *result)
1594 {
1595 HASH_TYPE *hash = query->data;
1596 struct osl_row *hash_sister;
1597
1598 hash_sister = find_hash_sister(hash);
1599 if (!hash_sister)
1600 return -E_RB_KEY_NOT_FOUND;
1601 result->data = para_malloc(sizeof(hash_sister));
1602 result->size = sizeof(hash_sister);
1603 *(struct osl_row **)(result->data) = hash_sister;
1604 return 1;
1605 }
1606
1607 static int add_one_audio_file(const char *path, const void *private_data)
1608 {
1609 int ret, ret2;
1610 uint8_t format_num = -1;
1611 const struct private_add_data *pad = private_data;
1612 struct audio_format_info afhi, *afhi_ptr = NULL;
1613 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1614 struct osl_object map, obj = {.data = NULL}, query, result = {.data = NULL};
1615 HASH_TYPE hash[HASH_SIZE];
1616
1617 afhi.header_offset = 0;
1618 afhi.header_len = 0;
1619 ret = guess_audio_format(path);
1620 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1621 goto out_free;
1622 query.data = (char *)path;
1623 query.size = strlen(path) + 1;
1624 ret = send_callback_request(path_brother_callback, &query, &result);
1625 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1626 goto out_free;
1627 if (ret >= 0) {
1628 pb = *(struct osl_row **)result.data;
1629 free(result.data);
1630 }
1631 ret = 1;
1632 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1633 if (pad->flags & ADD_FLAG_VERBOSE)
1634 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1635 goto out_free;
1636 }
1637 /* We still want to add this file. Compute its hash. */
1638 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, NULL);
1639 if (ret < 0)
1640 goto out_free;
1641 hash_function(map.data, map.size, hash);
1642
1643 /* Check whether database contains file with the same hash. */
1644 query.data = hash;
1645 query.size = HASH_SIZE;
1646 ret = send_callback_request(hash_sister_callback, &query, &result);
1647 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1648 goto out_free;
1649 if (ret >= 0) {
1650 hs = *(struct osl_row **)result.data;
1651 free(result.data);
1652 }
1653 /* Return success if we already know this file. */
1654 ret = 1;
1655 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1656 if (pad->flags & ADD_FLAG_VERBOSE)
1657 ret = send_va_buffer(pad->fd,
1658 "%s exists, not forcing update\n", path);
1659 goto out_unmap;
1660 }
1661 /*
1662 * we won't recalculate the audio format info and the chunk table if
1663 * there is a hash sister unless in FORCE mode.
1664 */
1665 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1666 ret = compute_afhi(path, map.data, map.size, &afhi);
1667 if (ret < 0)
1668 goto out_unmap;
1669 format_num = ret;
1670 afhi_ptr = &afhi;
1671 }
1672 if (pad->flags & ADD_FLAG_VERBOSE) {
1673 ret = send_va_buffer(pad->fd, "adding %s\n", path);
1674 if (ret < 0)
1675 goto out_unmap;
1676 }
1677 munmap(map.data, map.size);
1678 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1679 /* Ask afs to consider this entry for adding. */
1680 ret = send_callback_request(com_add_callback, &obj, &result);
1681 if (ret >= 0 && result.data && result.size) {
1682 ret2 = send_va_buffer(pad->fd, "%s", (char *)result.data);
1683 free(result.data);
1684 if (ret >= 0 && ret2 < 0)
1685 ret = ret2;
1686 }
1687 goto out_free;
1688
1689 out_unmap:
1690 munmap(map.data, map.size);
1691 out_free:
1692 if (ret < 0 && ret != -E_SEND)
1693 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1694 PARA_STRERROR(-ret));
1695 free(obj.data);
1696 if (afhi_ptr)
1697 free(afhi_ptr->chunk_table);
1698 /* it's not an error if not all files could be added */
1699 return ret == -E_SEND? ret : 1;
1700 }
1701
1702 int com_add(int fd, int argc, char * const * const argv)
1703 {
1704 int i, ret;
1705 struct private_add_data pad = {.fd = fd, .flags = 0};
1706 struct stat statbuf;
1707
1708 for (i = 1; i < argc; i++) {
1709 const char *arg = argv[i];
1710 if (arg[0] != '-')
1711 break;
1712 if (!strcmp(arg, "--")) {
1713 i++;
1714 break;
1715 }
1716 if (!strcmp(arg, "-a")) {
1717 pad.flags |= ADD_FLAG_ALL;
1718 continue;
1719 }
1720 if (!strcmp(arg, "-l")) {
1721 pad.flags |= ADD_FLAG_LAZY;
1722 continue;
1723 }
1724 if (!strcmp(arg, "-f")) {
1725 pad.flags |= ADD_FLAG_FORCE;
1726 continue;
1727 }
1728 if (!strcmp(arg, "-v")) {
1729 pad.flags |= ADD_FLAG_VERBOSE;
1730 continue;
1731 }
1732 }
1733 if (argc <= i)
1734 return -E_AFT_SYNTAX;
1735 for (; i < argc; i++) {
1736 char *path;
1737 ret = verify_path(argv[i], &path);
1738 if (ret < 0) {
1739 ret = send_va_buffer(fd, "%s: %s\n", argv[i], PARA_STRERROR(-ret));
1740 if (ret < 0)
1741 return ret;
1742 continue;
1743 }
1744 ret = stat(path, &statbuf);
1745 if (ret < 0) {
1746 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1747 strerror(errno));
1748 free(path);
1749 if (ret < 0)
1750 return ret;
1751 continue;
1752 }
1753 if (S_ISDIR(statbuf.st_mode))
1754 ret = for_each_file_in_dir(path, add_one_audio_file,
1755 &pad);
1756 else
1757 ret = add_one_audio_file(path, &pad);
1758 if (ret < 0) {
1759 send_va_buffer(fd, "%s: %s\n", path, PARA_STRERROR(-ret));
1760 free(path);
1761 return ret;
1762 }
1763 free(path);
1764 }
1765 return 1;
1766
1767 }
1768
1769 /**
1770 * Flags used by the touch command.
1771 *
1772 * \sa com_touch().
1773 */
1774 enum touch_flags {
1775 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1776 TOUCH_FLAG_FNM_PATHNAME = 1,
1777 /** Activates verbose mode. */
1778 TOUCH_FLAG_VERBOSE = 2
1779 };
1780
1781 struct com_touch_options {
1782 int32_t num_played;
1783 int64_t last_played;
1784 int32_t lyrics_id;
1785 int32_t image_id;
1786 unsigned flags;
1787 };
1788
1789 struct touch_action_data {
1790 struct com_touch_options *cto;
1791 struct para_buffer pb;
1792 };
1793
1794 static int touch_audio_file(__a_unused struct osl_table *table,
1795 struct osl_row *row, const char *name, void *data)
1796 {
1797 struct touch_action_data *tad = data;
1798 struct osl_object obj;
1799 struct afs_info old_afsi, new_afsi;
1800 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1801 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1802 struct afsi_change_event_data aced;
1803
1804 ret = get_afsi_object_of_row(row, &obj);
1805 if (ret < 0) {
1806 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1807 return 1;
1808 }
1809 ret = load_afsi(&old_afsi, &obj);
1810 if (ret < 0) {
1811 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1812 return 1;
1813 }
1814 new_afsi = old_afsi;
1815 if (no_options) {
1816 new_afsi.num_played++;
1817 new_afsi.last_played = time(NULL);
1818 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1819 para_printf(&tad->pb, "%s: num_played = %u, "
1820 "last_played = now()\n", name,
1821 new_afsi.num_played);
1822 } else {
1823 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1824 para_printf(&tad->pb, "touching %s\n", name);
1825 if (tad->cto->lyrics_id >= 0)
1826 new_afsi.lyrics_id = tad->cto->lyrics_id;
1827 if (tad->cto->image_id >= 0)
1828 new_afsi.image_id = tad->cto->image_id;
1829 if (tad->cto->num_played >= 0)
1830 new_afsi.num_played = tad->cto->num_played;
1831 if (tad->cto->last_played >= 0)
1832 new_afsi.last_played = tad->cto->last_played;
1833 }
1834 save_afsi(&new_afsi, &obj); /* in-place update */
1835 aced.aft_row = row;
1836 aced.old_afsi = &old_afsi;
1837 afs_event(AFSI_CHANGE, &tad->pb, &aced);
1838 return 1;
1839 }
1840
1841 static int com_touch_callback(const struct osl_object *query,
1842 struct osl_object *result)
1843 {
1844 struct touch_action_data tad = {.cto = query->data};
1845 int ret;
1846 struct pattern_match_data pmd = {
1847 .table = audio_file_table,
1848 .loop_col_num = AFTCOL_HASH,
1849 .match_col_num = AFTCOL_PATH,
1850 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1851 .size = query->size - sizeof(*tad.cto)},
1852 .data = &tad,
1853 .action = touch_audio_file
1854 };
1855 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1856 pmd.fnmatch_flags |= FNM_PATHNAME;
1857 ret = for_each_matching_row(&pmd);
1858 if (ret < 0)
1859 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1860 if (tad.pb.buf) {
1861 result->data = tad.pb.buf;
1862 result->size = tad.pb.size;
1863 return 1;
1864 }
1865 return ret < 0? ret : 0;
1866 }
1867
1868 int com_touch(int fd, int argc, char * const * const argv)
1869 {
1870 struct com_touch_options cto = {
1871 .num_played = -1,
1872 .last_played = -1,
1873 .lyrics_id = -1,
1874 .image_id = -1
1875 };
1876 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1877 result;
1878 int i, ret;
1879
1880
1881 for (i = 1; i < argc; i++) {
1882 const char *arg = argv[i];
1883 if (arg[0] != '-')
1884 break;
1885 if (!strcmp(arg, "--")) {
1886 i++;
1887 break;
1888 }
1889 if (!strncmp(arg, "-n", 2)) {
1890 ret = para_atoi32(arg + 2, &cto.num_played);
1891 if (ret < 0)
1892 return ret;
1893 continue;
1894 }
1895 if (!strncmp(arg, "-l", 2)) {
1896 ret = para_atoi64(arg + 2, &cto.last_played);
1897 if (ret < 0)
1898 return ret;
1899 continue;
1900 }
1901 if (!strncmp(arg, "-y", 2)) {
1902 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1903 if (ret < 0)
1904 return ret;
1905 continue;
1906 }
1907 if (!strncmp(arg, "-i", 2)) {
1908 ret = para_atoi32(arg + 2, &cto.image_id);
1909 if (ret < 0)
1910 return ret;
1911 continue;
1912 }
1913 if (!strcmp(arg, "-p")) {
1914 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1915 continue;
1916 }
1917 if (!strcmp(arg, "-v")) {
1918 cto.flags |= TOUCH_FLAG_VERBOSE;
1919 continue;
1920 }
1921 break; /* non-option starting with dash */
1922 }
1923 if (i >= argc)
1924 return -E_AFT_SYNTAX;
1925 ret = send_option_arg_callback_request(&query, argc - i,
1926 argv + i, com_touch_callback, &result);
1927 if (ret > 0) {
1928 send_buffer(fd, (char *)result.data);
1929 free(result.data);
1930 } else
1931 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1932 return ret;
1933 }
1934
1935 enum rm_flags {
1936 RM_FLAG_VERBOSE = 1,
1937 RM_FLAG_FORCE = 2,
1938 RM_FLAG_FNM_PATHNAME = 4
1939 };
1940
1941 struct com_rm_data {
1942 uint32_t flags;
1943 struct para_buffer pb;
1944 unsigned num_removed;
1945 };
1946
1947 static int remove_audio_file(__a_unused struct osl_table *table,
1948 struct osl_row *row, const char *name, void *data)
1949 {
1950 struct com_rm_data *crd = data;
1951 int ret;
1952
1953 if (crd->flags & RM_FLAG_VERBOSE)
1954 para_printf(&crd->pb, "removing %s\n", name);
1955 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
1956 ret = osl_del_row(audio_file_table, row);
1957 if (ret < 0)
1958 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1959 else
1960 crd->num_removed++;
1961 return 1;
1962 }
1963
1964 static int com_rm_callback(const struct osl_object *query,
1965 __a_unused struct osl_object *result)
1966 {
1967 struct com_rm_data crd = {.flags = *(uint32_t *)query->data};
1968 int ret;
1969 struct pattern_match_data pmd = {
1970 .table = audio_file_table,
1971 .loop_col_num = AFTCOL_HASH,
1972 .match_col_num = AFTCOL_PATH,
1973 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
1974 .size = query->size - sizeof(uint32_t)},
1975 .data = &crd,
1976 .action = remove_audio_file
1977 };
1978 if (crd.flags & RM_FLAG_FNM_PATHNAME)
1979 pmd.fnmatch_flags |= FNM_PATHNAME;
1980 ret = for_each_matching_row(&pmd);
1981 if (ret < 0)
1982 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
1983 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
1984 para_printf(&crd.pb, "no matches -- nothing removed\n");
1985 else {
1986 if (crd.flags & RM_FLAG_VERBOSE)
1987 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
1988 }
1989 if (crd.pb.buf) {
1990 result->data = crd.pb.buf;
1991 result->size = crd.pb.size;
1992 return 1;
1993 }
1994 return ret < 0? ret : 0;
1995 }
1996
1997 /* TODO options: -r (recursive) */
1998 int com_rm(int fd, int argc, char * const * const argv)
1999 {
2000 uint32_t flags = 0;
2001 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
2002 result;
2003 int i, ret;
2004
2005 for (i = 1; i < argc; i++) {
2006 const char *arg = argv[i];
2007 if (arg[0] != '-')
2008 break;
2009 if (!strcmp(arg, "--")) {
2010 i++;
2011 break;
2012 }
2013 if (!strcmp(arg, "-f")) {
2014 flags |= RM_FLAG_FORCE;
2015 continue;
2016 }
2017 if (!strcmp(arg, "-p")) {
2018 flags |= RM_FLAG_FNM_PATHNAME;
2019 continue;
2020 }
2021 if (!strcmp(arg, "-v")) {
2022 flags |= RM_FLAG_VERBOSE;
2023 continue;
2024 }
2025 break;
2026 }
2027 if (i >= argc)
2028 return -E_AFT_SYNTAX;
2029 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2030 com_rm_callback, &result);
2031 if (ret > 0) {
2032 send_buffer(fd, (char *)result.data);
2033 free(result.data);
2034 } else if (ret < 0)
2035 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2036 return ret;
2037 }
2038
2039 /**
2040 * Flags used by the cpsi command.
2041 *
2042 * \sa com_cpsi().
2043 */
2044 enum cpsi_flags {
2045 /** Whether the lyrics id should be copied. */
2046 CPSI_FLAG_COPY_LYRICS_ID = 1,
2047 /** Whether the image id should be copied. */
2048 CPSI_FLAG_COPY_IMAGE_ID = 2,
2049 /** Whether the lastplayed time should be copied. */
2050 CPSI_FLAG_COPY_LASTPLAYED = 4,
2051 /** Whether the numplayed count should be copied. */
2052 CPSI_FLAG_COPY_NUMPLAYED = 8,
2053 /** Whether the attributes should be copied. */
2054 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2055 /** Activates verbose mode. */
2056 CPSI_FLAG_VERBOSE = 32,
2057 };
2058
2059 struct cpsi_action_data {
2060 unsigned flags;
2061 unsigned num_copied;
2062 struct para_buffer pb;
2063 struct afs_info source_afsi;
2064 };
2065
2066 static int copy_selector_info(__a_unused struct osl_table *table,
2067 struct osl_row *row, const char *name, void *data)
2068 {
2069 struct cpsi_action_data *cad = data;
2070 struct osl_object target_afsi_obj;
2071 int ret;
2072 struct afs_info old_afsi, target_afsi;
2073 struct afsi_change_event_data aced;
2074
2075 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2076 if (ret < 0)
2077 return ret;
2078 load_afsi(&target_afsi, &target_afsi_obj);
2079 old_afsi = target_afsi;
2080 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2081 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2082 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2083 target_afsi.image_id = cad->source_afsi.image_id;
2084 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2085 target_afsi.last_played = cad->source_afsi.last_played;
2086 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2087 target_afsi.num_played = cad->source_afsi.num_played;
2088 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2089 target_afsi.attributes = cad->source_afsi.attributes;
2090 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2091 cad->num_copied++;
2092 if (cad->flags & CPSI_FLAG_VERBOSE)
2093 para_printf(&cad->pb, "copied afsi to %s\n", name);
2094 aced.aft_row = row;
2095 aced.old_afsi = &old_afsi;
2096 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2097 return 1;
2098 }
2099
2100 static int com_cpsi_callback(const struct osl_object *query,
2101 struct osl_object *result)
2102 {
2103 struct cpsi_action_data cad = {.flags = *(unsigned *)query->data};
2104 int ret;
2105 char *source_path = (char *)query->data + sizeof(cad.flags);
2106
2107 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2108 if (ret < 0)
2109 goto out;
2110 struct pattern_match_data pmd = {
2111 .table = audio_file_table,
2112 .loop_col_num = AFTCOL_HASH,
2113 .match_col_num = AFTCOL_PATH,
2114 .patterns = {.data = source_path + strlen(source_path) + 1,
2115 .size = query->size - sizeof(cad.flags)
2116 - strlen(source_path) - 1},
2117 .data = &cad,
2118 .action = copy_selector_info
2119 };
2120 ret = for_each_matching_row(&pmd);
2121 out:
2122 if (ret < 0)
2123 para_printf(&cad.pb, "%s\n", PARA_STRERROR(-ret));
2124 if (cad.flags & CPSI_FLAG_VERBOSE) {
2125 if (cad.num_copied)
2126 para_printf(&cad.pb, "copied requested afsi from %s "
2127 "to %u files\n",
2128 source_path, cad.num_copied);
2129 else
2130 para_printf(&cad.pb, "nothing copied\n");
2131 }
2132 if (cad.pb.buf) {
2133 result->data = cad.pb.buf;
2134 result->size = cad.pb.size;
2135 return 1;
2136 }
2137 return ret < 0? ret : 0;
2138 }
2139
2140 int com_cpsi(int fd, int argc, char * const * const argv)
2141 {
2142 unsigned flags = 0;
2143 int i, ret;
2144 struct osl_object options = {.data = &flags, .size = sizeof(flags)},
2145 result;
2146
2147 for (i = 1; i < argc; i++) {
2148 const char *arg = argv[i];
2149 if (arg[0] != '-')
2150 break;
2151 if (!strcmp(arg, "--")) {
2152 i++;
2153 break;
2154 }
2155 if (!strcmp(arg, "-y")) {
2156 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2157 continue;
2158 }
2159 if (!strcmp(arg, "-i")) {
2160 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2161 continue;
2162 }
2163 if (!strcmp(arg, "-l")) {
2164 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2165 continue;
2166 }
2167 if (!strcmp(arg, "-n")) {
2168 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2169 continue;
2170 }
2171 if (!strcmp(arg, "-a")) {
2172 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2173 continue;
2174 }
2175 if (!strcmp(arg, "-v")) {
2176 flags |= CPSI_FLAG_VERBOSE;
2177 continue;
2178 }
2179 break;
2180 }
2181 if (i + 1 >= argc) /* need at least souce file and pattern */
2182 return -E_AFT_SYNTAX;
2183 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2184 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2185 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2186 com_cpsi_callback, &result);
2187 if (ret > 0) {
2188 send_buffer(fd, (char *)result.data);
2189 free(result.data);
2190 } else
2191 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2192 return ret;
2193 }
2194
2195 /* TODO: optionally fix problems by removing offending rows */
2196 static int check_audio_file(struct osl_row *row, void *data)
2197 {
2198 char *path;
2199 struct para_buffer *pb = data;
2200 struct stat statbuf;
2201 int ret = get_audio_file_path_of_row(row, &path);
2202 struct afs_info afsi;
2203 char *blob_name;
2204
2205 if (ret < 0) {
2206 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
2207 return 1;
2208 }
2209 if (stat(path, &statbuf) < 0)
2210 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2211 else {
2212 if (!S_ISREG(statbuf.st_mode))
2213 para_printf(pb, "%s: not a regular file\n", path);
2214 }
2215 ret = get_afsi_of_row(row, &afsi);
2216 if (ret < 0) {
2217 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
2218 return 1;
2219 }
2220 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2221 if (ret < 0)
2222 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2223 PARA_STRERROR(-ret));
2224 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2225 if (ret < 0)
2226 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2227 PARA_STRERROR(-ret));
2228 return 1;
2229 }
2230
2231 /**
2232 * Check the audio file table for inconsistencies.
2233 *
2234 * \param query Unused.
2235 * \param result Contains message string upon return.
2236 *
2237 * This function always succeeds.
2238 *
2239 * \sa com_check().
2240 */
2241 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
2242 {
2243 struct para_buffer pb = {.buf = NULL};
2244
2245 para_printf(&pb, "checking audio file table...\n");
2246 audio_file_loop(&pb, check_audio_file);
2247 result->data = pb.buf;
2248 result->size = pb.size;
2249 return 1;
2250
2251 }
2252
2253 /**
2254 * Close the audio file table.
2255 *
2256 * \param flags Ususal flags that are passed to osl_close_table().
2257 *
2258 * \sa osl_close_table().
2259 */
2260 static void aft_close(void)
2261 {
2262 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2263 audio_file_table = NULL;
2264 }
2265
2266 /**
2267 * Open the audio file table.
2268 *
2269 * \param dir The database directory.
2270 *
2271 * \return Standard.
2272 *
2273 * \sa osl_open_table().
2274 */
2275 static int aft_open(const char *dir)
2276 {
2277 int ret;
2278
2279 audio_file_table_desc.dir = dir;
2280 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2281 if (ret >= 0) {
2282 unsigned num;
2283 osl_get_num_rows(audio_file_table, &num);
2284 PARA_INFO_LOG("audio file table contains %d files\n", num);
2285 return ret;
2286 }
2287 PARA_INFO_LOG("failed to open audio file table\n");
2288 audio_file_table = NULL;
2289 if (ret >= 0 || is_errno(-ret, ENOENT))
2290 return 1;
2291 return ret;
2292 }
2293
2294 static int aft_create(const char *dir)
2295 {
2296 audio_file_table_desc.dir = dir;
2297 return osl_create_table(&audio_file_table_desc);
2298 }
2299
2300 static int clear_attribute(struct osl_row *row, void *data)
2301 {
2302 struct rmatt_event_data *red = data;
2303 struct afs_info afsi;
2304 struct osl_object obj;
2305 int ret = get_afsi_object_of_row(row, &obj);
2306 uint64_t mask = ~(1ULL << red->bitnum);
2307
2308 if (ret < 0)
2309 return ret;
2310 ret = load_afsi(&afsi, &obj);
2311 if (ret < 0)
2312 return ret;
2313 afsi.attributes &= mask;
2314 save_afsi(&afsi, &obj);
2315 return 1;
2316 }
2317
2318 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2319 void *data)
2320 {
2321 switch(event) {
2322 case ATTRIBUTE_REMOVE: {
2323 const struct rmatt_event_data *red = data;
2324 para_printf(pb, "clearing attribute %s (bit %u) from all "
2325 "entries in the audio file table\n", red->name,
2326 red->bitnum);
2327 return audio_file_loop(data, clear_attribute);
2328 }
2329 default:
2330 return 1;
2331 }
2332 }
2333
2334 void aft_init(struct afs_table *t)
2335 {
2336 t->name = audio_file_table_desc.name;
2337 t->open = aft_open;
2338 t->close = aft_close;
2339 t->create = aft_create;
2340 t->event_handler = aft_event_handler;
2341 }