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