Save also the end of file time value of the afh_info to disk.
[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 afh_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 /** Data passed from the ls command handler to its callback function. */
114 struct ls_options {
115 /** The given command line flags. */
116 unsigned flags;
117 /** The sorting method given at the command line. */
118 enum ls_sorting_method sorting;
119 /** The given listing mode (short, long, verbose, mbox). */
120 enum ls_listing_mode mode;
121 /** The arguments passed to the ls command. */
122 char **patterns;
123 /** Number of non-option arguments. */
124 int num_patterns;
125 /** Used for long listing mode to align the output fields. */
126 struct ls_widths widths;
127 /** Size of the \a data array. */
128 uint32_t array_size;
129 /** Number of used entries in the data array. */
130 uint32_t num_matching_paths;
131 /** Array of matching entries. */
132 struct ls_data *data;
133 /** Used to sort the array. */
134 struct ls_data **data_ptr;
135 };
136
137 /**
138 * Describes the layout of the mmapped-afs info struct.
139 *
140 * \sa struct afs_info.
141 */
142 enum afsi_offsets {
143 /** Where .last_played is stored. */
144 AFSI_LAST_PLAYED_OFFSET = 0,
145 /** Storage position of the attributes bitmap. */
146 AFSI_ATTRIBUTES_OFFSET = 8,
147 /** Storage position of the .num_played field. */
148 AFSI_NUM_PLAYED_OFFSET = 16,
149 /** Storage position of the .image_id field. */
150 AFSI_IMAGE_ID_OFFSET = 20,
151 /** Storage position of the .lyrics_id field. */
152 AFSI_LYRICS_ID_OFFSET = 24,
153 /** Storage position of the .audio_format_id field. */
154 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
155 /** 3 bytes reserved space for future usage. */
156 AFSI_AUDIO_FORMAT_UNUSED_OFFSET = 29,
157 /** On-disk storage space needed. */
158 AFSI_SIZE = 32
159 };
160
161 /**
162 * Convert a struct afs_info to an osl object.
163 *
164 * \param afsi Pointer to the audio file info to be converted.
165 * \param obj Result pointer.
166 *
167 * \sa load_afsi().
168 */
169 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
170 {
171 char *buf = obj->data;
172
173 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
174 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
175 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
176 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
177 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
178 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
179 afsi->audio_format_id);
180 memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 3);
181 }
182
183 /**
184 * Get the audio file selector info struct stored in an osl object.
185 *
186 * \param afsi Points to the audio_file info structure to be filled in.
187 * \param obj The osl object holding the data.
188 *
189 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
190 *
191 * \sa save_afsi().
192 */
193 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
194 {
195 char *buf = obj->data;
196 if (obj->size < AFSI_SIZE)
197 return -E_BAD_AFSI;
198 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
199 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
200 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
201 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
202 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
203 afsi->audio_format_id = read_u8(buf +
204 AFSI_AUDIO_FORMAT_ID_OFFSET);
205 return 1;
206 }
207
208 /** The columns of the audio file table. */
209 enum audio_file_table_columns {
210 /** The hash on the content of the audio file. */
211 AFTCOL_HASH,
212 /** The full path in the filesystem. */
213 AFTCOL_PATH,
214 /** The audio file selector info. */
215 AFTCOL_AFSI,
216 /** The audio format handler info. */
217 AFTCOL_AFHI,
218 /** The chunk table info and the chunk table of the audio file. */
219 AFTCOL_CHUNKS,
220 /** The number of columns of this table. */
221 NUM_AFT_COLUMNS
222 };
223
224 static struct osl_column_description aft_cols[] = {
225 [AFTCOL_HASH] = {
226 .storage_type = OSL_MAPPED_STORAGE,
227 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
228 .name = "hash",
229 .compare_function = osl_hash_compare,
230 .data_size = HASH_SIZE
231 },
232 [AFTCOL_PATH] = {
233 .storage_type = OSL_MAPPED_STORAGE,
234 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
235 .name = "path",
236 .compare_function = string_compare,
237 },
238 [AFTCOL_AFSI] = {
239 .storage_type = OSL_MAPPED_STORAGE,
240 .storage_flags = OSL_FIXED_SIZE,
241 .name = "afs_info",
242 .data_size = AFSI_SIZE
243 },
244 [AFTCOL_AFHI] = {
245 .storage_type = OSL_MAPPED_STORAGE,
246 .name = "afh_info",
247 },
248 [AFTCOL_CHUNKS] = {
249 .storage_type = OSL_DISK_STORAGE,
250 .name = "chunks",
251 }
252 };
253
254 static struct osl_table_description audio_file_table_desc = {
255 .name = "audio_files",
256 .num_columns = NUM_AFT_COLUMNS,
257 .flags = OSL_LARGE_TABLE,
258 .column_descriptions = aft_cols
259 };
260
261 /* We don't want * dot or dot-dot anywhere. */
262 static int verify_dotfile(const char *rest)
263 {
264 /*
265 * The first character was '.', but that has already been discarded, we
266 * now test the rest.
267 */
268 switch (*rest) {
269 case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
270 return -1;
271 case '.': /* path start with /foo/.. */
272 if (rest[1] == '\0' || rest[1] == '/')
273 return -1; /* /foo/.. or /foo/../bar are not ok */
274 /* /foo/..bar is ok */
275 }
276 return 1;
277 }
278
279 /*
280 * We fundamentally don't like some paths: We don't want double slashes or
281 * slashes at the end that can make pathnames ambiguous.
282 */
283 static int verify_path(const char *orig_path, char **resolved_path)
284 {
285 char c;
286 size_t len;
287 char *path;
288
289 if (*orig_path != '/') /* we only accept absolute paths */
290 return -E_BAD_PATH;
291 len = strlen(orig_path);
292 *resolved_path = para_strdup(orig_path);
293 path = *resolved_path;
294 while (len > 1 && path[--len] == '/')
295 path[len] = '\0'; /* remove slash at the end */
296 c = *path++;
297 while (c) {
298 if (c == '/') {
299 c = *path++;
300 switch (c) {
301 case '/': /* double slash */
302 goto bad_path;
303 case '.':
304 if (verify_dotfile(path) < 0)
305 goto bad_path;
306 default:
307 continue;
308 }
309 }
310 c = *path++;
311 }
312 return 1;
313 bad_path:
314 free(*resolved_path);
315 return -E_BAD_PATH;
316 }
317
318 /** The on-disk layout of a afhi struct. */
319 enum afhi_offsets {
320 /** Where the number of seconds is stored. */
321 AFHI_SECONDS_TOTAL_OFFSET = 0,
322 /** Position of the bitrate. */
323 AFHI_BITRATE_OFFSET = 4,
324 /** Position of the frequency. */
325 AFHI_FREQUENCY_OFFSET = 8,
326 /** Number of channels is stored here. */
327 AFHI_CHANNELS_OFFSET = 12,
328 /** EOF timeout in ms. */
329 AFHI_EOF_OFFSET = 13,
330 /** The tag info position. */
331 AFHI_INFO_STRING_OFFSET = 15,
332 /** Minimal on-disk size of a valid afhi struct. */
333 MIN_AFHI_SIZE = 16
334 };
335
336 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
337 {
338 if (!afhi)
339 return 0;
340 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
341 }
342
343 static void save_afhi(struct afh_info *afhi, char *buf)
344 {
345 if (!afhi)
346 return;
347 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
348 afhi->seconds_total);
349 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
350 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
351 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
352 write_u16(buf + AFHI_EOF_OFFSET, tv2ms(&afhi->eof_tv));
353 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
354 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
355 }
356
357 static void load_afhi(const char *buf, struct afh_info *afhi)
358 {
359 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
360 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
361 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
362 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
363 ms2tv(read_u16(buf + AFHI_EOF_OFFSET), &afhi->eof_tv);
364 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
365 }
366
367 //#define SIZEOF_CHUNK_TABLE(afhi) (((afhi)->chunks_total + 1) * sizeof(uint32_t))
368
369 static unsigned sizeof_chunk_info_buf(struct afh_info *afhi)
370 {
371 if (!afhi)
372 return 0;
373 return 4 * (afhi->chunks_total + 1) + 20;
374
375 }
376
377 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
378 enum chunk_info_offsets{
379 /** The total number of chunks (4 bytes). */
380 CHUNKS_TOTAL_OFFSET = 0,
381 /** The length of the audio file header (4 bytes). */
382 HEADER_LEN_OFFSET = 4,
383 /** The start of the audio file header (4 bytes). */
384 HEADER_OFFSET_OFFSET = 8,
385 /** The seconds part of the chunk time (4 bytes). */
386 CHUNK_TV_TV_SEC_OFFSET = 12,
387 /** The microseconds part of the chunk time (4 bytes). */
388 CHUNK_TV_TV_USEC = 16,
389 /** Chunk table entries start here. */
390 CHUNK_TABLE_OFFSET = 20,
391 };
392
393 static void save_chunk_table(struct afh_info *afhi, char *buf)
394 {
395 int i;
396
397 PARA_DEBUG_LOG("%lu chunks\n", afhi->chunks_total);
398 for (i = 0; i <= afhi->chunks_total; i++)
399 write_u32(buf + 4 * i, afhi->chunk_table[i]);
400 }
401
402 static void load_chunk_table(struct afh_info *afhi, char *buf)
403 {
404 int i;
405 for (i = 0; i <= afhi->chunks_total; i++)
406 afhi->chunk_table[i] = read_u32(buf + 4 * i);
407 }
408
409 /* TODO: audio format handlers could just produce this */
410 static void save_chunk_info(struct afh_info *afhi, char *buf)
411 {
412 if (!afhi)
413 return;
414 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
415 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
416 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
417 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
418 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
419 save_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
420 }
421
422 static int load_chunk_info(struct osl_object *obj, struct afh_info *afhi)
423 {
424 char *buf = obj->data;
425
426 if (obj->size < CHUNK_TABLE_OFFSET)
427 return -E_BAD_DATA_SIZE;
428
429 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
430 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
431 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
432 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
433 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
434
435 if ((afhi->chunks_total + 1) * 4 + CHUNK_TABLE_OFFSET > obj->size)
436 return -E_BAD_DATA_SIZE;
437 afhi->chunk_table = para_malloc((afhi->chunks_total + 1) * 4);
438 load_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
439 return 1;
440 }
441
442 /**
443 * Get the row of the audio file table corresponding to the given path.
444 *
445 * \param path The full path of the audio file.
446 * \param row Result pointer.
447 *
448 * \return The return value of the underlying call to osl_get_row().
449 */
450 int aft_get_row_of_path(const char *path, struct osl_row **row)
451 {
452 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
453
454 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
455 }
456
457 /**
458 * Get the row of the audio file table corresponding to the given hash value.
459 *
460 * \param hash The hash value of the desired audio file.
461 * \param row resul pointer.
462 *
463 * \return The return value of the underlying call to osl_get_row().
464 */
465 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
466 {
467 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
468 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
469 }
470
471 /**
472 * Get the osl object holding the audio file selector info of a row.
473 *
474 * \param row Pointer to a row in the audio file table.
475 * \param obj Result pointer.
476 *
477 * \return The return value of the underlying call to osl_get_object().
478 */
479 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
480 {
481 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
482 }
483
484 /**
485 * Get the osl object holding the audio file selector info, given a path.
486 *
487 *
488 * \param path The full path of the audio file.
489 * \param obj Result pointer.
490 *
491 * \return Positive on success, negative on errors.
492 */
493 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
494 {
495 struct osl_row *row;
496 int ret = aft_get_row_of_path(path, &row);
497 if (ret < 0)
498 return ret;
499 return get_afsi_object_of_row(row, obj);
500 }
501
502 /**
503 * Get the audio file selector info, given a row of the audio file table.
504 *
505 * \param row Pointer to a row in the audio file table.
506 * \param afsi Result pointer.
507 *
508 * \return Positive on success, negative on errors.
509 */
510 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
511 {
512 struct osl_object obj;
513 int ret = get_afsi_object_of_row(row, &obj);
514 if (ret < 0)
515 return ret;
516 return load_afsi(afsi, &obj);
517 }
518
519 /**
520 * Get the audio file selector info, given the path of an audio table.
521 *
522 * \param path The full path of the audio file.
523 * \param afsi Result pointer.
524 *
525 * \return Positive on success, negative on errors.
526 */
527 int get_afsi_of_path(const char *path, struct afs_info *afsi)
528 {
529 struct osl_object obj;
530 int ret = get_afsi_object_of_path(path, &obj);
531 if (ret < 0)
532 return ret;
533 return load_afsi(afsi, &obj);
534 }
535
536 /**
537 * Get the path of an audio file, given a row of the audio file table.
538 *
539 * \param row Pointer to a row in the audio file table.
540 * \param path Result pointer.
541 *
542 * The result is a pointer to mmapped data. The caller must not attempt
543 * to free it.
544 *
545 * \return Standard.
546 */
547 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
548 {
549 struct osl_object path_obj;
550 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
551 &path_obj);
552 if (ret < 0)
553 return ret;
554 *path = path_obj.data;
555 return 1;
556 }
557
558 /**
559 * Get the object containing the hash value of an audio file, given a row.
560 *
561 * \param row Pointer to a row of the audio file table.
562 * \param obj Result pointer.
563 *
564 * \return The return value of the underlying call to osl_get_object().
565 *
566 * \sa get_hash_of_row().
567 */
568 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
569 {
570 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
571 }
572
573 /**
574 * Get the hash value of an audio file, given a row of the audio file table.
575 *
576 * \param row Pointer to a row of the audio file table.
577 * \param hash Result pointer.
578 *
579 * \a hash points to mapped data and must not be freed by the caller.
580 *
581 * \return The return value of the underlying call to
582 * get_hash_object_of_aft_row().
583 */
584 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
585 {
586 struct osl_object obj;
587 int ret = get_hash_object_of_aft_row(row, &obj);
588
589 if (ret < 0)
590 return ret;
591 *hash = obj.data;
592 return 1;
593 }
594
595 /**
596 * Get the audio format handler info, given a row of the audio file table.
597 *
598 * \param row Pointer to a row of the audio file table.
599 * \param afhi Result pointer.
600 *
601 * \return The return value of the underlying call to osl_get_object().
602 *
603 * \sa get_chunk_table_of_row().
604 */
605 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
606 {
607 struct osl_object obj;
608 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
609 &obj);
610 if (ret < 0)
611 return ret;
612 load_afhi(obj.data, afhi);
613 return 1;
614 }
615
616 /* returns shmid on success */
617 static int save_afd(struct audio_file_data *afd)
618 {
619 size_t size = sizeof(*afd)
620 + 4 * (afd->afhi.chunks_total + 1);
621
622 PARA_DEBUG_LOG("size: %zu\n", size);
623 int shmid, ret = shm_new(size);
624 void *shm_afd;
625 char *buf;
626
627 if (ret < 0)
628 return ret;
629 shmid = ret;
630 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
631 if (ret < 0)
632 goto err;
633 *(struct audio_file_data *)shm_afd = *afd;
634 buf = shm_afd;
635 buf += sizeof(*afd);
636 save_chunk_table(&afd->afhi, buf);
637 shm_detach(shm_afd);
638 return shmid;
639 err:
640 shm_destroy(shmid);
641 return ret;
642 }
643
644 int load_afd(int shmid, struct audio_file_data *afd)
645 {
646 void *shm_afd;
647 char *buf;
648 int ret;
649
650 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
651 if (ret < 0)
652 return ret;
653 *afd = *(struct audio_file_data *)shm_afd;
654 buf = shm_afd;
655 buf += sizeof(*afd);
656 afd->afhi.chunk_table = para_malloc((afd->afhi.chunks_total + 1) * 4);
657 load_chunk_table(&afd->afhi, buf);
658 shm_detach(shm_afd);
659 return 1;
660 }
661
662 /**
663 * Mmap the given audio file and update statistics.
664 *
665 * \param aft_row Determines the audio file to be opened and updated.
666 * \param afd Result pointer.
667 *
668 * On success, the numplayed field of the audio file selector info is increased
669 * and the lastplayed time is set to the current time. Finally, the score of
670 * the audio file is updated.
671 *
672 * \return Positive on success, negative on errors.
673 */
674 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
675 {
676 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
677 struct osl_object afsi_obj;
678 struct afs_info new_afsi;
679 int ret = get_hash_of_row(aft_row, &aft_hash);
680 struct afsi_change_event_data aced;
681 struct osl_object map, chunk_table_obj;
682 char *tmp, *path;
683
684 if (ret < 0)
685 return ret;
686 ret = get_audio_file_path_of_row(aft_row, &path);
687 if (ret < 0)
688 return ret;
689 strncpy(afd->path, path, sizeof(afd->path) - 1);
690 afd->path[sizeof(afd->path) - 1] = '\0';
691 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
692 if (ret < 0)
693 return ret;
694 ret = load_afsi(&afd->afsi, &afsi_obj);
695 if (ret < 0)
696 return ret;
697 ret = get_afhi_of_row(aft_row, &afd->afhi);
698 if (ret < 0)
699 return ret;
700 ret = osl_open_disk_object(audio_file_table, aft_row,
701 AFTCOL_CHUNKS, &chunk_table_obj);
702 if (ret < 0)
703 return ret;
704 ret = mmap_full_file(path, O_RDONLY, &map.data,
705 &map.size, &afd->fd);
706 if (ret < 0)
707 goto err;
708 hash_function(map.data, map.size, file_hash);
709 ret = hash_compare(file_hash, aft_hash);
710 para_munmap(map.data, map.size);
711 if (ret) {
712 ret = -E_HASH_MISMATCH;
713 goto err;
714 }
715 new_afsi = afd->afsi;
716 new_afsi.num_played++;
717 new_afsi.last_played = time(NULL);
718 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
719
720 ret = load_chunk_info(&chunk_table_obj, &afd->afhi);
721 if (ret < 0)
722 goto err;
723 ret = get_attribute_text(&afd->afsi.attributes, " ", &tmp);
724 if (ret < 0)
725 goto err;
726 tmp[sizeof(afd->attributes_string) - 1] = '\0';
727 strcpy(afd->attributes_string, tmp); /* OK */
728 free(tmp);
729
730 aced.aft_row = aft_row;
731 aced.old_afsi = &afd->afsi;
732 afs_event(AFSI_CHANGE, NULL, &aced);
733 ret = save_afd(afd);
734 if (ret < 0)
735 goto err;
736 free(afd->afhi.chunk_table);
737 err:
738 osl_close_disk_object(&chunk_table_obj);
739 return ret;
740 }
741
742 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
743 time_t current_time, enum ls_listing_mode lm)
744 {
745 struct tm t;
746
747 if (!localtime_r((time_t *)seconds, &t))
748 return -E_LOCALTIME;
749 if (lm == LS_MODE_MBOX) {
750 if (!strftime(buf, size, "%c", &t))
751 return -E_STRFTIME;
752 return 1;
753 }
754 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
755 if (!strftime(buf, size, "%b %e %k:%M", &t))
756 return -E_STRFTIME;
757 return 1;
758 }
759 if (!strftime(buf, size, "%b %e %Y", &t))
760 return -E_STRFTIME;
761 return 1;
762 }
763
764 /** Compute the number of (decimal) digits of a number. */
765 #define GET_NUM_DIGITS(x, num) { \
766 typeof((x)) _tmp = PARA_ABS(x); \
767 *num = 1; \
768 if ((x)) \
769 while ((_tmp) > 9) { \
770 (_tmp) /= 10; \
771 (*num)++; \
772 } \
773 }
774
775 static short unsigned get_duration_width(int seconds)
776 {
777 short unsigned width;
778 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
779
780 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
781 return 4 + (mins > 9);
782 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
783 GET_NUM_DIGITS(hours, &width);
784 return width + 6;
785 }
786
787 static void get_duration_buf(int seconds, char *buf, short unsigned max_width)
788 {
789 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
790
791 if (!hours) /* m:ss or mm:ss */
792 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
793 else /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
794 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
795 seconds % 60);
796 }
797
798 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
799 {
800 char *att_text, *att_lines;
801
802 get_attribute_text(&afsi->attributes, " ", &att_text);
803 if (!att_text)
804 return para_strdup(att_bitmap);
805 att_lines = make_message("%s\nattributes_txt: %s",
806 att_bitmap, att_text);
807 free(att_text);
808 return att_lines;
809 }
810
811 static char *make_lyrics_line(struct afs_info *afsi)
812 {
813 char *lyrics_name;
814
815 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
816 if (!lyrics_name)
817 return make_message("%u", afsi->lyrics_id);
818 return make_message("%u (%s)", afsi->lyrics_id, lyrics_name);
819 }
820
821 static char *make_image_line(struct afs_info *afsi)
822 {
823 char *image_name;
824 img_get_name_by_id(afsi->image_id, &image_name);
825 if (!image_name)
826 return make_message("%u", afsi->image_id);
827 return make_message("%u (%s)", afsi->image_id, image_name);
828 }
829
830 static int print_list_item(struct ls_data *d, struct ls_options *opts,
831 struct para_buffer *b, time_t current_time)
832 {
833 int ret;
834 char att_buf[65];
835 char last_played_time[30];
836 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
837 char score_buf[30] = "";
838 struct afs_info *afsi = &d->afsi;
839 struct afh_info *afhi = &d->afhi;
840 struct ls_widths *w = &opts->widths;
841 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
842 char asc_hash[2 * HASH_SIZE + 1];
843 char *att_lines, *lyrics_line, *image_line;
844
845 if (opts->mode == LS_MODE_SHORT) {
846 para_printf(b, "%s\n", d->path);
847 return 1;
848 }
849 get_attribute_bitmap(&afsi->attributes, att_buf);
850 ret = get_local_time(&afsi->last_played, last_played_time,
851 sizeof(last_played_time), current_time, opts->mode);
852 if (ret < 0)
853 return ret;
854 get_duration_buf(afhi->seconds_total, duration_buf, w->duration_width);
855 if (have_score) {
856 if (opts->mode == LS_MODE_LONG)
857 sprintf(score_buf, "%*li ", w->score_width, d->score);
858 else
859 sprintf(score_buf, "%li ", d->score);
860 }
861
862 if (opts->mode == LS_MODE_LONG) {
863 para_printf(b,
864 "%s" /* score */
865 "%s " /* attributes */
866 "%*d " /* image_id */
867 "%*d " /* lyrics_id */
868 "%*d " /* bitrate */
869 "%s " /* audio format */
870 "%*d " /* frequency */
871 "%d " /* channels */
872 "%s " /* duration */
873 "%*d " /* num_played */
874 "%s " /* last_played */
875 "%s\n", /* path */
876 score_buf,
877 att_buf,
878 w->image_id_width, afsi->image_id,
879 w->lyrics_id_width, afsi->lyrics_id,
880 w->bitrate_width, afhi->bitrate,
881 audio_format_name(afsi->audio_format_id),
882 w->frequency_width, afhi->frequency,
883 afhi->channels,
884 duration_buf,
885 w->num_played_width, afsi->num_played,
886 last_played_time,
887 d->path
888 );
889 return 1;
890 }
891 hash_to_asc(d->hash, asc_hash);
892 att_lines = make_attribute_lines(att_buf, afsi);
893 lyrics_line = make_lyrics_line(afsi);
894 image_line = make_image_line(afsi);
895 /* TODO: Merge this with status items */
896 if (opts->mode == LS_MODE_VERBOSE) {
897 para_printf(b,
898 "%s: %s\n" /* path */
899 "%s%s%s" /* score */
900 "attributes: %s\n"
901 "hash: %s\n"
902 "image_id: %s\n"
903 "lyrics_id: %s\n"
904 "bitrate: %dkbit/s\n"
905 "format: %s\n"
906 "frequency: %dHz\n"
907 "channels: %d\n"
908 "duration: %s\n"
909 "num_played: %d\n"
910 "last_played: %s\n"
911 "tag info: %s\n",
912 (opts->flags & LS_FLAG_FULL_PATH)?
913 "path" : "file", d->path,
914 have_score? "score: " : "", score_buf,
915 have_score? "\n" : "",
916 att_lines,
917 asc_hash,
918 image_line,
919 lyrics_line,
920 afhi->bitrate,
921 audio_format_name(afsi->audio_format_id),
922 afhi->frequency,
923 afhi->channels,
924 duration_buf,
925 afsi->num_played,
926 last_played_time,
927 afhi->info_string
928 );
929 } else { /* mbox mode */
930 struct osl_object lyrics_def;
931 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
932 para_printf(b,
933 "From foo@localhost %s\n"
934 "Received: from\nTo: bar\nFrom: a\n"
935 "Subject: %s\n\n" /* path */
936 "%s%s%s" /* score */
937 "%s"
938 "hash: %s\n"
939 "image_id: %s\n"
940 "lyrics_id: %s\n"
941 "bitrate: %dkbit/s\n"
942 "format: %s\n"
943 "frequency: %dHz\n"
944 "channels: %d\n"
945 "duration: %s\n"
946 "num_played: %d\n"
947 "tag info: %s\n"
948 "%s%s\n",
949 last_played_time,
950 d->path,
951 have_score? "score: " : "", score_buf,
952 have_score? "\n" : "",
953 att_lines,
954 asc_hash,
955 image_line,
956 lyrics_line,
957 afhi->bitrate,
958 audio_format_name(afsi->audio_format_id),
959 afhi->frequency,
960 afhi->channels,
961 duration_buf,
962 afsi->num_played,
963 afhi->info_string,
964 lyrics_def.data? "Lyrics:\n~~~~~~~\n" : "",
965 lyrics_def.data? (char *)lyrics_def.data : ""
966 );
967 if (lyrics_def.data)
968 osl_close_disk_object(lyrics_def.data);
969 }
970 free(att_lines);
971 free(lyrics_line);
972 free(image_line);
973 return 1;
974 }
975
976 static int ls_audio_format_compare(const void *a, const void *b)
977 {
978 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
979 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
980 }
981
982 static int ls_duration_compare(const void *a, const void *b)
983 {
984 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
985 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
986 }
987
988 static int ls_bitrate_compare(const void *a, const void *b)
989 {
990 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
991 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
992 }
993
994 static int ls_lyrics_id_compare(const void *a, const void *b)
995 {
996 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
997 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
998 }
999
1000 static int ls_image_id_compare(const void *a, const void *b)
1001 {
1002 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1003 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1004 }
1005
1006 static int ls_channels_compare(const void *a, const void *b)
1007 {
1008 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1009 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1010 }
1011
1012 static int ls_frequency_compare(const void *a, const void *b)
1013 {
1014 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1015 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1016 }
1017
1018 static int ls_num_played_compare(const void *a, const void *b)
1019 {
1020 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1021 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1022 }
1023
1024 static int ls_last_played_compare(const void *a, const void *b)
1025 {
1026 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1027 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1028 }
1029
1030 static int ls_score_compare(const void *a, const void *b)
1031 {
1032 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1033 return NUM_COMPARE(d1->score, d2->score);
1034 }
1035
1036 static int ls_path_compare(const void *a, const void *b)
1037 {
1038 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1039 return strcmp(d1->path, d2->path);
1040 }
1041
1042 static int sort_matching_paths(struct ls_options *options)
1043 {
1044 size_t nmemb = options->num_matching_paths;
1045 size_t size = sizeof(*options->data_ptr);
1046 int (*compar)(const void *, const void *);
1047 int i;
1048
1049 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1050 for (i = 0; i < nmemb; i++)
1051 options->data_ptr[i] = options->data + i;
1052
1053 /* In these cases the array is already sorted */
1054 if (options->sorting == LS_SORT_BY_PATH
1055 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1056 && (options->flags & LS_FLAG_FULL_PATH))
1057 return 1;
1058 if (options->sorting == LS_SORT_BY_SCORE &&
1059 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1060 return 1;
1061
1062 switch (options->sorting) {
1063 case LS_SORT_BY_PATH:
1064 compar = ls_path_compare; break;
1065 case LS_SORT_BY_SCORE:
1066 compar = ls_score_compare; break;
1067 case LS_SORT_BY_LAST_PLAYED:
1068 compar = ls_last_played_compare; break;
1069 case LS_SORT_BY_NUM_PLAYED:
1070 compar = ls_num_played_compare; break;
1071 case LS_SORT_BY_FREQUENCY:
1072 compar = ls_frequency_compare; break;
1073 case LS_SORT_BY_CHANNELS:
1074 compar = ls_channels_compare; break;
1075 case LS_SORT_BY_IMAGE_ID:
1076 compar = ls_image_id_compare; break;
1077 case LS_SORT_BY_LYRICS_ID:
1078 compar = ls_lyrics_id_compare; break;
1079 case LS_SORT_BY_BITRATE:
1080 compar = ls_bitrate_compare; break;
1081 case LS_SORT_BY_DURATION:
1082 compar = ls_duration_compare; break;
1083 case LS_SORT_BY_AUDIO_FORMAT:
1084 compar = ls_audio_format_compare; break;
1085 default:
1086 return -E_BAD_SORT;
1087 }
1088 qsort(options->data_ptr, nmemb, size, compar);
1089 return 1;
1090 }
1091
1092 /* row is either an aft_row or a row of the score table */
1093 /* TODO: Only compute widths if we need them */
1094 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1095 {
1096 int ret, i;
1097 struct ls_options *options = ls_opts;
1098 struct ls_data *d;
1099 struct ls_widths *w;
1100 unsigned short num_digits;
1101 unsigned tmp;
1102 struct osl_row *aft_row;
1103 long score;
1104 char *path;
1105
1106 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1107 ret = get_score_and_aft_row(row, &score, &aft_row);
1108 if (ret < 0)
1109 return ret;
1110 } else
1111 aft_row = row;
1112 ret = get_audio_file_path_of_row(aft_row, &path);
1113 if (ret < 0)
1114 return ret;
1115 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1116 char *p = strrchr(path, '/');
1117 if (p)
1118 path = p + 1;
1119 }
1120 if (options->num_patterns) {
1121 for (i = 0; i < options->num_patterns; i++) {
1122 ret = fnmatch(options->patterns[i], path, 0);
1123 if (!ret)
1124 break;
1125 if (ret == FNM_NOMATCH)
1126 continue;
1127 return -E_FNMATCH;
1128 }
1129 if (i >= options->num_patterns) /* no match */
1130 return 1;
1131 }
1132 tmp = options->num_matching_paths++;
1133 if (options->num_matching_paths > options->array_size) {
1134 options->array_size++;
1135 options->array_size *= 2;
1136 options->data = para_realloc(options->data, options->array_size
1137 * sizeof(*options->data));
1138 }
1139 d = options->data + tmp;
1140 ret = get_afsi_of_row(aft_row, &d->afsi);
1141 if (ret < 0)
1142 return ret;
1143 ret = get_afhi_of_row(aft_row, &d->afhi);
1144 if (ret < 0)
1145 return ret;
1146 d->path = path;
1147 ret = get_hash_of_row(aft_row, &d->hash);
1148 if (ret < 0)
1149 return ret;
1150 w = &options->widths;
1151 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1152 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1153 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1154 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1155 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1156 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1157 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1158 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1159 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1160 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1161 /* get the number of chars to print this amount of time */
1162 tmp = get_duration_width(d->afhi.seconds_total);
1163 w->duration_width = PARA_MAX(w->duration_width, tmp);
1164 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1165 GET_NUM_DIGITS(score, &num_digits);
1166 num_digits++; /* add one for the sign (space or "-") */
1167 w->score_width = PARA_MAX(w->score_width, num_digits);
1168 d->score = score;
1169 }
1170 return 1;
1171 }
1172
1173 static int com_ls_callback(const struct osl_object *query,
1174 struct osl_object *ls_output)
1175 {
1176 struct ls_options *opts = query->data;
1177 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1178 struct para_buffer b = {.buf = NULL, .size = 0};
1179 int i = 0, ret;
1180 time_t current_time;
1181
1182
1183 if (opts->num_patterns) {
1184 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1185 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1186 opts->patterns[i] = p;
1187 p += strlen(p) + 1;
1188 }
1189 } else
1190 opts->patterns = NULL;
1191 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1192 ret = admissible_file_loop(opts, prepare_ls_row);
1193 else
1194 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1195 prepare_ls_row);
1196 if (ret < 0)
1197 goto out;
1198 ret = opts->num_patterns? -E_NO_MATCH : 0;
1199 if (!opts->num_matching_paths)
1200 goto out;
1201 ret = sort_matching_paths(opts);
1202 if (ret < 0)
1203 goto out;
1204 time(&current_time);
1205 if (opts->flags & LS_FLAG_REVERSE)
1206 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1207 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1208 if (ret < 0)
1209 break;
1210 }
1211 else
1212 for (i = 0; i < opts->num_matching_paths; i++) {
1213 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1214 if (ret < 0)
1215 break;
1216 }
1217 ret = 1;
1218 out:
1219 ls_output->data = b.buf;
1220 ls_output->size = b.size;
1221 free(opts->data);
1222 free(opts->data_ptr);
1223 free(opts->patterns);
1224 return ret;
1225 }
1226
1227 /*
1228 * TODO: flags -h (sort by hash)
1229 */
1230 int com_ls(int fd, int argc, char * const * const argv)
1231 {
1232 int i, ret;
1233 unsigned flags = 0;
1234 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1235 enum ls_listing_mode mode = LS_MODE_SHORT;
1236 struct ls_options opts = {.patterns = NULL};
1237 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1238 ls_output;
1239
1240 for (i = 1; i < argc; i++) {
1241 const char *arg = argv[i];
1242 if (arg[0] != '-')
1243 break;
1244 if (!strcmp(arg, "--")) {
1245 i++;
1246 break;
1247 }
1248 if (!strncmp(arg, "-l", 2)) {
1249 if (!*(arg + 2)) {
1250 mode = LS_MODE_LONG;
1251 continue;
1252 }
1253 if (*(arg + 3))
1254 return -E_AFT_SYNTAX;
1255 switch(*(arg + 2)) {
1256 case 's':
1257 mode = LS_MODE_SHORT;
1258 continue;
1259 case 'l':
1260 mode = LS_MODE_LONG;
1261 continue;
1262 case 'v':
1263 mode = LS_MODE_VERBOSE;
1264 continue;
1265 case 'm':
1266 mode = LS_MODE_MBOX;
1267 continue;
1268 default:
1269 return -E_AFT_SYNTAX;
1270 }
1271 }
1272 if (!strcmp(arg, "-p")) {
1273 flags |= LS_FLAG_FULL_PATH;
1274 continue;
1275 }
1276 if (!strcmp(arg, "-a")) {
1277 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1278 continue;
1279 }
1280 if (!strcmp(arg, "-r")) {
1281 flags |= LS_FLAG_REVERSE;
1282 continue;
1283 }
1284 if (!strncmp(arg, "-s", 2)) {
1285 if (!*(arg + 2) || *(arg + 3))
1286 return -E_AFT_SYNTAX;
1287 switch(*(arg + 2)) {
1288 case 'p':
1289 sort = LS_SORT_BY_PATH;
1290 continue;
1291 case 's': /* -ss implies -a */
1292 sort = LS_SORT_BY_SCORE;
1293 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1294 continue;
1295 case 'l':
1296 sort = LS_SORT_BY_LAST_PLAYED;
1297 continue;
1298 case 'n':
1299 sort = LS_SORT_BY_NUM_PLAYED;
1300 continue;
1301 case 'f':
1302 sort = LS_SORT_BY_FREQUENCY;
1303 continue;
1304 case 'c':
1305 sort = LS_SORT_BY_CHANNELS;
1306 continue;
1307 case 'i':
1308 sort = LS_SORT_BY_IMAGE_ID;
1309 continue;
1310 case 'y':
1311 sort = LS_SORT_BY_LYRICS_ID;
1312 continue;
1313 case 'b':
1314 sort = LS_SORT_BY_BITRATE;
1315 continue;
1316 case 'd':
1317 sort = LS_SORT_BY_DURATION;
1318 continue;
1319 case 'a':
1320 sort = LS_SORT_BY_AUDIO_FORMAT;
1321 continue;
1322 default:
1323 return -E_AFT_SYNTAX;
1324 }
1325 }
1326 return -E_AFT_SYNTAX;
1327 }
1328 opts.flags = flags;
1329 opts.sorting = sort;
1330 opts.mode = mode;
1331 opts.num_patterns = argc - i;
1332 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1333 argv + i, com_ls_callback, &ls_output);
1334 if (ret > 0) {
1335 ret = send_buffer(fd, (char *)ls_output.data);
1336 free(ls_output.data);
1337 }
1338 return ret;
1339 }
1340
1341 /**
1342 * Call the given function for each file in the audio file table.
1343 *
1344 * \param private_data An arbitrary data pointer, passed to \a func.
1345 * \param func The custom function to be called.
1346 *
1347 * \return The return value of the underlying call to osl_rbtree_loop().
1348 */
1349 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1350 {
1351 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1352 func);
1353 }
1354
1355 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1356 {
1357 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1358 struct osl_row *row;
1359
1360 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1361 return row;
1362 }
1363
1364 enum aft_row_offsets {
1365 AFTROW_AFHI_OFFSET_POS = 0,
1366 AFTROW_CHUNKS_OFFSET_POS = 2,
1367 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1368 AFTROW_FLAGS_OFFSET = 5,
1369 AFTROW_HASH_OFFSET = 9,
1370 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1371 };
1372
1373 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1374 * In this case, afhi won't be stored in the buffer */
1375 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1376 struct afh_info *afhi, uint32_t flags,
1377 uint8_t audio_format_num, struct osl_object *obj)
1378 {
1379 size_t path_len = strlen(path) + 1;
1380 size_t afhi_size = sizeof_afhi_buf(afhi);
1381 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1382 + sizeof_chunk_info_buf(afhi);
1383 char *buf = para_malloc(size);
1384 uint16_t pos;
1385
1386 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1387 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1388
1389 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1390 strcpy(buf + AFTROW_PATH_OFFSET, path);
1391
1392 pos = AFTROW_PATH_OFFSET + path_len;
1393 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1394 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1395 pos + afhi_size - 1);
1396 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1397 save_afhi(afhi, buf + pos);
1398
1399 pos += afhi_size;
1400 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1401 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1402 save_chunk_info(afhi, buf + pos);
1403 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1404 obj->data = buf;
1405 obj->size = size;
1406 }
1407
1408 /*
1409 input:
1410 ~~~~~~
1411 HS: hash sister
1412 PB: path brother
1413 F: force flag given
1414
1415 output:
1416 ~~~~~~~
1417 AFHI: whether afhi and chunk table are computed and sent
1418 ACTION: table modifications to be performed
1419
1420 +---+----+-----+------+---------------------------------------------------+
1421 | HS | PB | F | AFHI | ACTION
1422 +---+----+-----+------+---------------------------------------------------+
1423 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1424 | | update path, keep afsi
1425 +---+----+-----+------+---------------------------------------------------+
1426 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1427 | | otherwise: remove PB, HS: update path, keep afhi,
1428 | | afsi.
1429 +---+----+-----+------+---------------------------------------------------+
1430 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1431 | | HS, keep afsi
1432 +---+----+-----+------+---------------------------------------------------+
1433 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1434 +---+----+-----+------+---------------------------------------------------+
1435 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1436 | | (force has no effect)
1437 +---+----+-----+------+---------------------------------------------------+
1438 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1439 +---+----+-----+------+---------------------------------------------------+
1440 | N | N | Y | Y | (new file) create new entry (force has no effect)
1441 +---+----+-----+------+---------------------------------------------------+
1442 | N | N | N | Y | (new file) create new entry
1443 +---+----+-----+------+---------------------------------------------------+
1444
1445 afhi <=> force or no HS
1446
1447 */
1448
1449 /** Flags passed to the add command. */
1450 enum com_add_flags {
1451 /** Skip paths that exist already. */
1452 ADD_FLAG_LAZY = 1,
1453 /** Force adding. */
1454 ADD_FLAG_FORCE = 2,
1455 /** Print what is being done. */
1456 ADD_FLAG_VERBOSE = 4,
1457 /** Try to add files with unknown suffixes. */
1458 ADD_FLAG_ALL = 8,
1459 };
1460
1461 static int com_add_callback(const struct osl_object *query,
1462 struct osl_object *result)
1463 {
1464 char *buf = query->data, *path;
1465 struct osl_row *pb, *aft_row;
1466 struct osl_row *hs;
1467 struct osl_object objs[NUM_AFT_COLUMNS];
1468 HASH_TYPE *hash;
1469 char asc[2 * HASH_SIZE + 1];
1470 int ret;
1471 char afsi_buf[AFSI_SIZE];
1472 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1473 struct afs_info default_afsi = {.last_played = 0};
1474 struct para_buffer msg = {.buf = NULL};
1475
1476 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1477 hash_to_asc(hash, asc);;
1478 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1479 objs[AFTCOL_HASH].size = HASH_SIZE;
1480
1481 path = buf + AFTROW_PATH_OFFSET;
1482 objs[AFTCOL_PATH].data = path;
1483 objs[AFTCOL_PATH].size = strlen(path) + 1;
1484
1485 PARA_INFO_LOG("request to add %s\n", path);
1486 hs = find_hash_sister(hash);
1487 ret = aft_get_row_of_path(path, &pb);
1488 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1489 return ret;
1490 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1491 if (flags & ADD_FLAG_VERBOSE)
1492 para_printf(&msg, "ignoring duplicate\n");
1493 ret = 1;
1494 goto out;
1495 }
1496 if (hs && hs != pb) {
1497 struct osl_object obj;
1498 if (pb) { /* hs trumps pb, remove pb */
1499 if (flags & ADD_FLAG_VERBOSE)
1500 para_printf(&msg, "removing path brother\n");
1501 ret = osl_del_row(audio_file_table, pb);
1502 if (ret < 0)
1503 goto out;
1504 pb = NULL;
1505 }
1506 /* file rename, update hs' path */
1507 if (flags & ADD_FLAG_VERBOSE) {
1508 ret = osl_get_object(audio_file_table, hs,
1509 AFTCOL_PATH, &obj);
1510 if (ret < 0)
1511 goto out;
1512 para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1513 }
1514 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1515 &objs[AFTCOL_PATH]);
1516 if (ret < 0)
1517 goto out;
1518 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1519 if (!(flags & ADD_FLAG_FORCE))
1520 goto out;
1521 }
1522 /* no hs or force mode, child must have sent afhi */
1523 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1524 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1525
1526 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1527 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1528 ret = -E_NO_AFHI;
1529 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1530 goto out;
1531 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1532 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1533 if (pb && !hs) { /* update pb's hash */
1534 char old_asc[2 * HASH_SIZE + 1];
1535 HASH_TYPE *old_hash;
1536 ret = get_hash_of_row(pb, &old_hash);
1537 if (ret < 0)
1538 goto out;
1539 hash_to_asc(old_hash, old_asc);
1540 if (flags & ADD_FLAG_VERBOSE)
1541 para_printf(&msg, "file change: %s -> %s\n",
1542 old_asc, asc);
1543 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1544 &objs[AFTCOL_HASH]);
1545 if (ret < 0)
1546 goto out;
1547 }
1548 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1549 struct osl_row *row = pb? pb : hs;
1550 /* update afhi and chunk_table */
1551 if (flags & ADD_FLAG_VERBOSE)
1552 para_printf(&msg, "updating afhi and chunk table\n");
1553 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1554 &objs[AFTCOL_AFHI]);
1555 if (ret < 0)
1556 goto out;
1557 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1558 &objs[AFTCOL_CHUNKS]);
1559 if (ret < 0)
1560 goto out;
1561 afs_event(AFHI_CHANGE, &msg, row);
1562 goto out;
1563 }
1564 /* new entry, use default afsi */
1565 if (flags & ADD_FLAG_VERBOSE)
1566 para_printf(&msg, "new file\n");
1567 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1568 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1569
1570 objs[AFTCOL_AFSI].data = &afsi_buf;
1571 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1572 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1573 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1574 out:
1575 if (ret < 0)
1576 para_printf(&msg, "%s\n", PARA_STRERROR(-ret));
1577 if (!msg.buf)
1578 return 0;
1579 result->data = msg.buf;
1580 result->size = msg.size;
1581 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1582 return 1;
1583 }
1584
1585 /** Used by com_add(). */
1586 struct private_add_data {
1587 /** The socket file descriptor. */
1588 int fd;
1589 /** The given add flags. */
1590 uint32_t flags;
1591 };
1592
1593 static int path_brother_callback(const struct osl_object *query,
1594 struct osl_object *result)
1595 {
1596 char *path = query->data;
1597 struct osl_row *path_brother;
1598 int ret = aft_get_row_of_path(path, &path_brother);
1599 if (ret < 0)
1600 return ret;
1601 result->data = para_malloc(sizeof(path_brother));
1602 result->size = sizeof(path_brother);
1603 *(struct osl_row **)(result->data) = path_brother;
1604 return 1;
1605 }
1606
1607 static int hash_sister_callback(const struct osl_object *query,
1608 struct osl_object *result)
1609 {
1610 HASH_TYPE *hash = query->data;
1611 struct osl_row *hash_sister;
1612
1613 hash_sister = find_hash_sister(hash);
1614 if (!hash_sister)
1615 return -E_RB_KEY_NOT_FOUND;
1616 result->data = para_malloc(sizeof(hash_sister));
1617 result->size = sizeof(hash_sister);
1618 *(struct osl_row **)(result->data) = hash_sister;
1619 return 1;
1620 }
1621
1622 static int add_one_audio_file(const char *path, const void *private_data)
1623 {
1624 int ret, ret2;
1625 uint8_t format_num = -1;
1626 const struct private_add_data *pad = private_data;
1627 struct afh_info afhi, *afhi_ptr = NULL;
1628 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1629 struct osl_object map, obj = {.data = NULL}, query, result = {.data = NULL};
1630 HASH_TYPE hash[HASH_SIZE];
1631
1632 afhi.header_offset = 0;
1633 afhi.header_len = 0;
1634 ret = guess_audio_format(path);
1635 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1636 goto out_free;
1637 query.data = (char *)path;
1638 query.size = strlen(path) + 1;
1639 ret = send_callback_request(path_brother_callback, &query, &result);
1640 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1641 goto out_free;
1642 if (ret >= 0) {
1643 pb = *(struct osl_row **)result.data;
1644 free(result.data);
1645 }
1646 ret = 1;
1647 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1648 if (pad->flags & ADD_FLAG_VERBOSE)
1649 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1650 goto out_free;
1651 }
1652 /* We still want to add this file. Compute its hash. */
1653 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, NULL);
1654 if (ret < 0)
1655 goto out_free;
1656 hash_function(map.data, map.size, hash);
1657
1658 /* Check whether database contains file with the same hash. */
1659 query.data = hash;
1660 query.size = HASH_SIZE;
1661 ret = send_callback_request(hash_sister_callback, &query, &result);
1662 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1663 goto out_free;
1664 if (ret >= 0) {
1665 hs = *(struct osl_row **)result.data;
1666 free(result.data);
1667 }
1668 /* Return success if we already know this file. */
1669 ret = 1;
1670 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1671 if (pad->flags & ADD_FLAG_VERBOSE)
1672 ret = send_va_buffer(pad->fd,
1673 "%s exists, not forcing update\n", path);
1674 goto out_unmap;
1675 }
1676 /*
1677 * we won't recalculate the audio format info and the chunk table if
1678 * there is a hash sister unless in FORCE mode.
1679 */
1680 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1681 ret = compute_afhi(path, map.data, map.size, &afhi);
1682 if (ret < 0)
1683 goto out_unmap;
1684 format_num = ret;
1685 afhi_ptr = &afhi;
1686 }
1687 if (pad->flags & ADD_FLAG_VERBOSE) {
1688 ret = send_va_buffer(pad->fd, "adding %s\n", path);
1689 if (ret < 0)
1690 goto out_unmap;
1691 }
1692 munmap(map.data, map.size);
1693 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1694 /* Ask afs to consider this entry for adding. */
1695 ret = send_callback_request(com_add_callback, &obj, &result);
1696 if (ret >= 0 && result.data && result.size) {
1697 ret2 = send_va_buffer(pad->fd, "%s", (char *)result.data);
1698 free(result.data);
1699 if (ret >= 0 && ret2 < 0)
1700 ret = ret2;
1701 }
1702 goto out_free;
1703
1704 out_unmap:
1705 munmap(map.data, map.size);
1706 out_free:
1707 if (ret < 0 && ret != -E_SEND)
1708 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1709 PARA_STRERROR(-ret));
1710 free(obj.data);
1711 if (afhi_ptr)
1712 free(afhi_ptr->chunk_table);
1713 /* it's not an error if not all files could be added */
1714 return ret == -E_SEND? ret : 1;
1715 }
1716
1717 int com_add(int fd, int argc, char * const * const argv)
1718 {
1719 int i, ret;
1720 struct private_add_data pad = {.fd = fd, .flags = 0};
1721 struct stat statbuf;
1722
1723 for (i = 1; i < argc; i++) {
1724 const char *arg = argv[i];
1725 if (arg[0] != '-')
1726 break;
1727 if (!strcmp(arg, "--")) {
1728 i++;
1729 break;
1730 }
1731 if (!strcmp(arg, "-a")) {
1732 pad.flags |= ADD_FLAG_ALL;
1733 continue;
1734 }
1735 if (!strcmp(arg, "-l")) {
1736 pad.flags |= ADD_FLAG_LAZY;
1737 continue;
1738 }
1739 if (!strcmp(arg, "-f")) {
1740 pad.flags |= ADD_FLAG_FORCE;
1741 continue;
1742 }
1743 if (!strcmp(arg, "-v")) {
1744 pad.flags |= ADD_FLAG_VERBOSE;
1745 continue;
1746 }
1747 }
1748 if (argc <= i)
1749 return -E_AFT_SYNTAX;
1750 for (; i < argc; i++) {
1751 char *path;
1752 ret = verify_path(argv[i], &path);
1753 if (ret < 0) {
1754 ret = send_va_buffer(fd, "%s: %s\n", argv[i], PARA_STRERROR(-ret));
1755 if (ret < 0)
1756 return ret;
1757 continue;
1758 }
1759 ret = stat(path, &statbuf);
1760 if (ret < 0) {
1761 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1762 strerror(errno));
1763 free(path);
1764 if (ret < 0)
1765 return ret;
1766 continue;
1767 }
1768 if (S_ISDIR(statbuf.st_mode))
1769 ret = for_each_file_in_dir(path, add_one_audio_file,
1770 &pad);
1771 else
1772 ret = add_one_audio_file(path, &pad);
1773 if (ret < 0) {
1774 send_va_buffer(fd, "%s: %s\n", path, PARA_STRERROR(-ret));
1775 free(path);
1776 return ret;
1777 }
1778 free(path);
1779 }
1780 return 1;
1781
1782 }
1783
1784 /**
1785 * Flags used by the touch command.
1786 *
1787 * \sa com_touch().
1788 */
1789 enum touch_flags {
1790 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1791 TOUCH_FLAG_FNM_PATHNAME = 1,
1792 /** Activates verbose mode. */
1793 TOUCH_FLAG_VERBOSE = 2
1794 };
1795
1796 /** Options used by com_touch(). */
1797 struct com_touch_options {
1798 /** New num_played value. */
1799 int32_t num_played;
1800 /** New last played count. */
1801 int64_t last_played;
1802 /** new lyrics id. */
1803 int32_t lyrics_id;
1804 /** new image id. */
1805 int32_t image_id;
1806 /** command line flags (see \ref touch_flags). */
1807 unsigned flags;
1808 };
1809
1810 /** Data passed to the action handler of com_touch(). */
1811 struct touch_action_data {
1812 /** Command line options (see \ref com_touch_options). */
1813 struct com_touch_options *cto;
1814 /** Message buffer. */
1815 struct para_buffer pb;
1816 };
1817
1818 static int touch_audio_file(__a_unused struct osl_table *table,
1819 struct osl_row *row, const char *name, void *data)
1820 {
1821 struct touch_action_data *tad = data;
1822 struct osl_object obj;
1823 struct afs_info old_afsi, new_afsi;
1824 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1825 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1826 struct afsi_change_event_data aced;
1827
1828 ret = get_afsi_object_of_row(row, &obj);
1829 if (ret < 0) {
1830 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1831 return 1;
1832 }
1833 ret = load_afsi(&old_afsi, &obj);
1834 if (ret < 0) {
1835 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1836 return 1;
1837 }
1838 new_afsi = old_afsi;
1839 if (no_options) {
1840 new_afsi.num_played++;
1841 new_afsi.last_played = time(NULL);
1842 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1843 para_printf(&tad->pb, "%s: num_played = %u, "
1844 "last_played = now()\n", name,
1845 new_afsi.num_played);
1846 } else {
1847 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1848 para_printf(&tad->pb, "touching %s\n", name);
1849 if (tad->cto->lyrics_id >= 0)
1850 new_afsi.lyrics_id = tad->cto->lyrics_id;
1851 if (tad->cto->image_id >= 0)
1852 new_afsi.image_id = tad->cto->image_id;
1853 if (tad->cto->num_played >= 0)
1854 new_afsi.num_played = tad->cto->num_played;
1855 if (tad->cto->last_played >= 0)
1856 new_afsi.last_played = tad->cto->last_played;
1857 }
1858 save_afsi(&new_afsi, &obj); /* in-place update */
1859 aced.aft_row = row;
1860 aced.old_afsi = &old_afsi;
1861 afs_event(AFSI_CHANGE, &tad->pb, &aced);
1862 return 1;
1863 }
1864
1865 static int com_touch_callback(const struct osl_object *query,
1866 struct osl_object *result)
1867 {
1868 struct touch_action_data tad = {.cto = query->data};
1869 int ret;
1870 struct pattern_match_data pmd = {
1871 .table = audio_file_table,
1872 .loop_col_num = AFTCOL_HASH,
1873 .match_col_num = AFTCOL_PATH,
1874 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1875 .size = query->size - sizeof(*tad.cto)},
1876 .data = &tad,
1877 .action = touch_audio_file
1878 };
1879 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1880 pmd.fnmatch_flags |= FNM_PATHNAME;
1881 ret = for_each_matching_row(&pmd);
1882 if (ret < 0)
1883 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1884 if (tad.pb.buf) {
1885 result->data = tad.pb.buf;
1886 result->size = tad.pb.size;
1887 return 1;
1888 }
1889 return ret < 0? ret : 0;
1890 }
1891
1892 int com_touch(int fd, int argc, char * const * const argv)
1893 {
1894 struct com_touch_options cto = {
1895 .num_played = -1,
1896 .last_played = -1,
1897 .lyrics_id = -1,
1898 .image_id = -1
1899 };
1900 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1901 result;
1902 int i, ret;
1903
1904
1905 for (i = 1; i < argc; i++) {
1906 const char *arg = argv[i];
1907 if (arg[0] != '-')
1908 break;
1909 if (!strcmp(arg, "--")) {
1910 i++;
1911 break;
1912 }
1913 if (!strncmp(arg, "-n", 2)) {
1914 ret = para_atoi32(arg + 2, &cto.num_played);
1915 if (ret < 0)
1916 return ret;
1917 continue;
1918 }
1919 if (!strncmp(arg, "-l", 2)) {
1920 ret = para_atoi64(arg + 2, &cto.last_played);
1921 if (ret < 0)
1922 return ret;
1923 continue;
1924 }
1925 if (!strncmp(arg, "-y", 2)) {
1926 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1927 if (ret < 0)
1928 return ret;
1929 continue;
1930 }
1931 if (!strncmp(arg, "-i", 2)) {
1932 ret = para_atoi32(arg + 2, &cto.image_id);
1933 if (ret < 0)
1934 return ret;
1935 continue;
1936 }
1937 if (!strcmp(arg, "-p")) {
1938 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1939 continue;
1940 }
1941 if (!strcmp(arg, "-v")) {
1942 cto.flags |= TOUCH_FLAG_VERBOSE;
1943 continue;
1944 }
1945 break; /* non-option starting with dash */
1946 }
1947 if (i >= argc)
1948 return -E_AFT_SYNTAX;
1949 ret = send_option_arg_callback_request(&query, argc - i,
1950 argv + i, com_touch_callback, &result);
1951 if (ret > 0) {
1952 send_buffer(fd, (char *)result.data);
1953 free(result.data);
1954 } else if (ret < 0)
1955 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1956 return ret;
1957 }
1958
1959 /** Flags for com_rm(). */
1960 enum rm_flags {
1961 /** -v */
1962 RM_FLAG_VERBOSE = 1,
1963 /** -f */
1964 RM_FLAG_FORCE = 2,
1965 /** -p */
1966 RM_FLAG_FNM_PATHNAME = 4
1967 };
1968
1969 /** Data passed to the action handler of com_rm(). */
1970 struct com_rm_action_data {
1971 /** Command line flags ((see \ref rm_flags). */
1972 uint32_t flags;
1973 /** Message buffer. */
1974 struct para_buffer pb;
1975 /** Number of audio files removed. */
1976 unsigned num_removed;
1977 };
1978
1979 static int remove_audio_file(__a_unused struct osl_table *table,
1980 struct osl_row *row, const char *name, void *data)
1981 {
1982 struct com_rm_action_data *crd = data;
1983 int ret;
1984
1985 if (crd->flags & RM_FLAG_VERBOSE)
1986 para_printf(&crd->pb, "removing %s\n", name);
1987 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
1988 ret = osl_del_row(audio_file_table, row);
1989 if (ret < 0)
1990 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1991 else
1992 crd->num_removed++;
1993 return 1;
1994 }
1995
1996 static int com_rm_callback(const struct osl_object *query,
1997 __a_unused struct osl_object *result)
1998 {
1999 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data};
2000 int ret;
2001 struct pattern_match_data pmd = {
2002 .table = audio_file_table,
2003 .loop_col_num = AFTCOL_HASH,
2004 .match_col_num = AFTCOL_PATH,
2005 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2006 .size = query->size - sizeof(uint32_t)},
2007 .data = &crd,
2008 .action = remove_audio_file
2009 };
2010 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2011 pmd.fnmatch_flags |= FNM_PATHNAME;
2012 ret = for_each_matching_row(&pmd);
2013 if (ret < 0)
2014 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
2015 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2016 para_printf(&crd.pb, "no matches -- nothing removed\n");
2017 else {
2018 if (crd.flags & RM_FLAG_VERBOSE)
2019 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2020 }
2021 if (crd.pb.buf) {
2022 result->data = crd.pb.buf;
2023 result->size = crd.pb.size;
2024 return 1;
2025 }
2026 return ret < 0? ret : 0;
2027 }
2028
2029 /* TODO options: -r (recursive) */
2030 int com_rm(int fd, int argc, char * const * const argv)
2031 {
2032 uint32_t flags = 0;
2033 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
2034 result;
2035 int i, ret;
2036
2037 for (i = 1; i < argc; i++) {
2038 const char *arg = argv[i];
2039 if (arg[0] != '-')
2040 break;
2041 if (!strcmp(arg, "--")) {
2042 i++;
2043 break;
2044 }
2045 if (!strcmp(arg, "-f")) {
2046 flags |= RM_FLAG_FORCE;
2047 continue;
2048 }
2049 if (!strcmp(arg, "-p")) {
2050 flags |= RM_FLAG_FNM_PATHNAME;
2051 continue;
2052 }
2053 if (!strcmp(arg, "-v")) {
2054 flags |= RM_FLAG_VERBOSE;
2055 continue;
2056 }
2057 break;
2058 }
2059 if (i >= argc)
2060 return -E_AFT_SYNTAX;
2061 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2062 com_rm_callback, &result);
2063 if (ret > 0) {
2064 send_buffer(fd, (char *)result.data);
2065 free(result.data);
2066 } else if (ret < 0)
2067 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2068 return ret;
2069 }
2070
2071 /**
2072 * Flags used by the cpsi command.
2073 *
2074 * \sa com_cpsi().
2075 */
2076 enum cpsi_flags {
2077 /** Whether the lyrics id should be copied. */
2078 CPSI_FLAG_COPY_LYRICS_ID = 1,
2079 /** Whether the image id should be copied. */
2080 CPSI_FLAG_COPY_IMAGE_ID = 2,
2081 /** Whether the lastplayed time should be copied. */
2082 CPSI_FLAG_COPY_LASTPLAYED = 4,
2083 /** Whether the numplayed count should be copied. */
2084 CPSI_FLAG_COPY_NUMPLAYED = 8,
2085 /** Whether the attributes should be copied. */
2086 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2087 /** Activates verbose mode. */
2088 CPSI_FLAG_VERBOSE = 32,
2089 };
2090
2091 /** Data passed to the action handler of com_cpsi(). */
2092 struct cpsi_action_data {
2093 /** command line flags (see \ref cpsi_flags). */
2094 unsigned flags;
2095 /** Number of audio files changed. */
2096 unsigned num_copied;
2097 /** Message buffer. */
2098 struct para_buffer pb;
2099 /** Values are copied from here. */
2100 struct afs_info source_afsi;
2101 };
2102
2103 static int copy_selector_info(__a_unused struct osl_table *table,
2104 struct osl_row *row, const char *name, void *data)
2105 {
2106 struct cpsi_action_data *cad = data;
2107 struct osl_object target_afsi_obj;
2108 int ret;
2109 struct afs_info old_afsi, target_afsi;
2110 struct afsi_change_event_data aced;
2111
2112 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2113 if (ret < 0)
2114 return ret;
2115 load_afsi(&target_afsi, &target_afsi_obj);
2116 old_afsi = target_afsi;
2117 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2118 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2119 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2120 target_afsi.image_id = cad->source_afsi.image_id;
2121 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2122 target_afsi.last_played = cad->source_afsi.last_played;
2123 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2124 target_afsi.num_played = cad->source_afsi.num_played;
2125 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2126 target_afsi.attributes = cad->source_afsi.attributes;
2127 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2128 cad->num_copied++;
2129 if (cad->flags & CPSI_FLAG_VERBOSE)
2130 para_printf(&cad->pb, "copied afsi to %s\n", name);
2131 aced.aft_row = row;
2132 aced.old_afsi = &old_afsi;
2133 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2134 return 1;
2135 }
2136
2137 static int com_cpsi_callback(const struct osl_object *query,
2138 struct osl_object *result)
2139 {
2140 struct cpsi_action_data cad = {.flags = *(unsigned *)query->data};
2141 int ret;
2142 char *source_path = (char *)query->data + sizeof(cad.flags);
2143
2144 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2145 if (ret < 0)
2146 goto out;
2147 struct pattern_match_data pmd = {
2148 .table = audio_file_table,
2149 .loop_col_num = AFTCOL_HASH,
2150 .match_col_num = AFTCOL_PATH,
2151 .patterns = {.data = source_path + strlen(source_path) + 1,
2152 .size = query->size - sizeof(cad.flags)
2153 - strlen(source_path) - 1},
2154 .data = &cad,
2155 .action = copy_selector_info
2156 };
2157 ret = for_each_matching_row(&pmd);
2158 out:
2159 if (ret < 0)
2160 para_printf(&cad.pb, "%s\n", PARA_STRERROR(-ret));
2161 if (cad.flags & CPSI_FLAG_VERBOSE) {
2162 if (cad.num_copied)
2163 para_printf(&cad.pb, "copied requested afsi from %s "
2164 "to %u files\n",
2165 source_path, cad.num_copied);
2166 else
2167 para_printf(&cad.pb, "nothing copied\n");
2168 }
2169 if (cad.pb.buf) {
2170 result->data = cad.pb.buf;
2171 result->size = cad.pb.size;
2172 return 1;
2173 }
2174 return ret < 0? ret : 0;
2175 }
2176
2177 int com_cpsi(int fd, int argc, char * const * const argv)
2178 {
2179 unsigned flags = 0;
2180 int i, ret;
2181 struct osl_object options = {.data = &flags, .size = sizeof(flags)},
2182 result;
2183
2184 for (i = 1; i < argc; i++) {
2185 const char *arg = argv[i];
2186 if (arg[0] != '-')
2187 break;
2188 if (!strcmp(arg, "--")) {
2189 i++;
2190 break;
2191 }
2192 if (!strcmp(arg, "-y")) {
2193 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2194 continue;
2195 }
2196 if (!strcmp(arg, "-i")) {
2197 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2198 continue;
2199 }
2200 if (!strcmp(arg, "-l")) {
2201 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2202 continue;
2203 }
2204 if (!strcmp(arg, "-n")) {
2205 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2206 continue;
2207 }
2208 if (!strcmp(arg, "-a")) {
2209 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2210 continue;
2211 }
2212 if (!strcmp(arg, "-v")) {
2213 flags |= CPSI_FLAG_VERBOSE;
2214 continue;
2215 }
2216 break;
2217 }
2218 if (i + 1 >= argc) /* need at least souce file and pattern */
2219 return -E_AFT_SYNTAX;
2220 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2221 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2222 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2223 com_cpsi_callback, &result);
2224 if (ret > 0) {
2225 send_buffer(fd, (char *)result.data);
2226 free(result.data);
2227 } else
2228 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2229 return ret;
2230 }
2231
2232 /* TODO: optionally fix problems by removing offending rows */
2233 static int check_audio_file(struct osl_row *row, void *data)
2234 {
2235 char *path;
2236 struct para_buffer *pb = data;
2237 struct stat statbuf;
2238 int ret = get_audio_file_path_of_row(row, &path);
2239 struct afs_info afsi;
2240 char *blob_name;
2241
2242 if (ret < 0) {
2243 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
2244 return 1;
2245 }
2246 if (stat(path, &statbuf) < 0)
2247 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2248 else {
2249 if (!S_ISREG(statbuf.st_mode))
2250 para_printf(pb, "%s: not a regular file\n", path);
2251 }
2252 ret = get_afsi_of_row(row, &afsi);
2253 if (ret < 0) {
2254 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
2255 return 1;
2256 }
2257 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2258 if (ret < 0)
2259 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2260 PARA_STRERROR(-ret));
2261 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2262 if (ret < 0)
2263 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2264 PARA_STRERROR(-ret));
2265 return 1;
2266 }
2267
2268 /**
2269 * Check the audio file table for inconsistencies.
2270 *
2271 * \param query Unused.
2272 * \param result Contains message string upon return.
2273 *
2274 * This function always succeeds.
2275 *
2276 * \sa com_check().
2277 */
2278 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
2279 {
2280 struct para_buffer pb = {.buf = NULL};
2281
2282 para_printf(&pb, "checking audio file table...\n");
2283 audio_file_loop(&pb, check_audio_file);
2284 result->data = pb.buf;
2285 result->size = pb.size;
2286 return 1;
2287
2288 }
2289
2290 /**
2291 * Close the audio file table.
2292 *
2293 * \param flags Usual flags that are passed to osl_close_table().
2294 *
2295 * \sa osl_close_table().
2296 */
2297 static void aft_close(void)
2298 {
2299 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2300 audio_file_table = NULL;
2301 }
2302
2303 /**
2304 * Open the audio file table.
2305 *
2306 * \param dir The database directory.
2307 *
2308 * \return Standard.
2309 *
2310 * \sa osl_open_table().
2311 */
2312 static int aft_open(const char *dir)
2313 {
2314 int ret;
2315
2316 audio_file_table_desc.dir = dir;
2317 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2318 if (ret >= 0) {
2319 unsigned num;
2320 osl_get_num_rows(audio_file_table, &num);
2321 PARA_INFO_LOG("audio file table contains %d files\n", num);
2322 return ret;
2323 }
2324 PARA_INFO_LOG("failed to open audio file table\n");
2325 audio_file_table = NULL;
2326 if (ret >= 0 || is_errno(-ret, ENOENT))
2327 return 1;
2328 return ret;
2329 }
2330
2331 static int aft_create(const char *dir)
2332 {
2333 audio_file_table_desc.dir = dir;
2334 return osl_create_table(&audio_file_table_desc);
2335 }
2336
2337 static int clear_attribute(struct osl_row *row, void *data)
2338 {
2339 struct rmatt_event_data *red = data;
2340 struct afs_info afsi;
2341 struct osl_object obj;
2342 int ret = get_afsi_object_of_row(row, &obj);
2343 uint64_t mask = ~(1ULL << red->bitnum);
2344
2345 if (ret < 0)
2346 return ret;
2347 ret = load_afsi(&afsi, &obj);
2348 if (ret < 0)
2349 return ret;
2350 afsi.attributes &= mask;
2351 save_afsi(&afsi, &obj);
2352 return 1;
2353 }
2354
2355 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2356 void *data)
2357 {
2358 switch(event) {
2359 case ATTRIBUTE_REMOVE: {
2360 const struct rmatt_event_data *red = data;
2361 para_printf(pb, "clearing attribute %s (bit %u) from all "
2362 "entries in the audio file table\n", red->name,
2363 red->bitnum);
2364 return audio_file_loop(data, clear_attribute);
2365 }
2366 default:
2367 return 1;
2368 }
2369 }
2370
2371 void aft_init(struct afs_table *t)
2372 {
2373 t->name = audio_file_table_desc.name;
2374 t->open = aft_open;
2375 t->close = aft_close;
2376 t->create = aft_create;
2377 t->event_handler = aft_event_handler;
2378 }