Rename audio_info status items and get rid of duplicate afh info.
[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 from the ls command handler to its callback function. */
100 struct ls_options {
101 /** The given command line flags. */
102 unsigned flags;
103 /** The sorting method given at the command line. */
104 enum ls_sorting_method sorting;
105 /** The given listing mode (short, long, verbose, mbox). */
106 enum ls_listing_mode mode;
107 /** The arguments passed to the ls command. */
108 char **patterns;
109 /** Number of non-option arguments. */
110 int num_patterns;
111 /** Used for long listing mode to align the output fields. */
112 struct ls_widths widths;
113 /** Size of the \a data array. */
114 uint32_t array_size;
115 /** Number of used entries in the data array. */
116 uint32_t num_matching_paths;
117 /** Array of matching entries. */
118 struct ls_data *data;
119 /** Used to sort the array. */
120 struct ls_data **data_ptr;
121 };
122
123 /**
124 * Describes the layout of the mmapped-afs info struct.
125 *
126 * \sa struct afs_info.
127 */
128 enum afsi_offsets {
129 /** Where .last_played is stored. */
130 AFSI_LAST_PLAYED_OFFSET = 0,
131 /** Storage position of the attributes bitmap. */
132 AFSI_ATTRIBUTES_OFFSET = 8,
133 /** Storage position of the .num_played field. */
134 AFSI_NUM_PLAYED_OFFSET = 16,
135 /** Storage position of the .image_id field. */
136 AFSI_IMAGE_ID_OFFSET = 20,
137 /** Storage position of the .lyrics_id field. */
138 AFSI_LYRICS_ID_OFFSET = 24,
139 /** Storage position of the .audio_format_id field. */
140 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
141 /** 3 bytes reserved space for future usage. */
142 AFSI_AUDIO_FORMAT_UNUSED_OFFSET = 29,
143 /** On-disk storage space needed. */
144 AFSI_SIZE = 32
145 };
146
147 /**
148 * Convert a struct afs_info to an osl object.
149 *
150 * \param afsi Pointer to the audio file info to be converted.
151 * \param obj Result pointer.
152 *
153 * \sa load_afsi().
154 */
155 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
156 {
157 char *buf = obj->data;
158
159 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
160 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
161 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
162 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
163 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
164 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
165 afsi->audio_format_id);
166 memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 3);
167 }
168
169 /**
170 * Get the audio file selector info struct stored in an osl object.
171 *
172 * \param afsi Points to the audio_file info structure to be filled in.
173 * \param obj The osl object holding the data.
174 *
175 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
176 *
177 * \sa save_afsi().
178 */
179 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
180 {
181 char *buf = obj->data;
182 if (obj->size < AFSI_SIZE)
183 return -E_BAD_AFSI;
184 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
185 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
186 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
187 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
188 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
189 afsi->audio_format_id = read_u8(buf +
190 AFSI_AUDIO_FORMAT_ID_OFFSET);
191 return 1;
192 }
193
194 /** The columns of the audio file table. */
195 enum audio_file_table_columns {
196 /** The hash on the content of the audio file. */
197 AFTCOL_HASH,
198 /** The full path in the filesystem. */
199 AFTCOL_PATH,
200 /** The audio file selector info. */
201 AFTCOL_AFSI,
202 /** The audio format handler info. */
203 AFTCOL_AFHI,
204 /** The chunk table info and the chunk table of the audio file. */
205 AFTCOL_CHUNKS,
206 /** The number of columns of this table. */
207 NUM_AFT_COLUMNS
208 };
209
210 static struct osl_column_description aft_cols[] = {
211 [AFTCOL_HASH] = {
212 .storage_type = OSL_MAPPED_STORAGE,
213 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
214 .name = "hash",
215 .compare_function = osl_hash_compare,
216 .data_size = HASH_SIZE
217 },
218 [AFTCOL_PATH] = {
219 .storage_type = OSL_MAPPED_STORAGE,
220 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
221 .name = "path",
222 .compare_function = string_compare,
223 },
224 [AFTCOL_AFSI] = {
225 .storage_type = OSL_MAPPED_STORAGE,
226 .storage_flags = OSL_FIXED_SIZE,
227 .name = "afs_info",
228 .data_size = AFSI_SIZE
229 },
230 [AFTCOL_AFHI] = {
231 .storage_type = OSL_MAPPED_STORAGE,
232 .name = "afh_info",
233 },
234 [AFTCOL_CHUNKS] = {
235 .storage_type = OSL_DISK_STORAGE,
236 .name = "chunks",
237 }
238 };
239
240 static struct osl_table_description audio_file_table_desc = {
241 .name = "audio_files",
242 .num_columns = NUM_AFT_COLUMNS,
243 .flags = OSL_LARGE_TABLE,
244 .column_descriptions = aft_cols
245 };
246
247 /* We don't want * dot or dot-dot anywhere. */
248 static int verify_dotfile(const char *rest)
249 {
250 /*
251 * The first character was '.', but that has already been discarded, we
252 * now test the rest.
253 */
254 switch (*rest) {
255 case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
256 return -1;
257 case '.': /* path start with /foo/.. */
258 if (rest[1] == '\0' || rest[1] == '/')
259 return -1; /* /foo/.. or /foo/../bar are not ok */
260 /* /foo/..bar is ok */
261 }
262 return 1;
263 }
264
265 /*
266 * We fundamentally don't like some paths: We don't want double slashes or
267 * slashes at the end that can make pathnames ambiguous.
268 */
269 static int verify_path(const char *orig_path, char **resolved_path)
270 {
271 char c;
272 size_t len;
273 char *path;
274
275 if (*orig_path != '/') /* we only accept absolute paths */
276 return -E_BAD_PATH;
277 len = strlen(orig_path);
278 *resolved_path = para_strdup(orig_path);
279 path = *resolved_path;
280 while (len > 1 && path[--len] == '/')
281 path[len] = '\0'; /* remove slash at the end */
282 c = *path++;
283 while (c) {
284 if (c == '/') {
285 c = *path++;
286 switch (c) {
287 case '/': /* double slash */
288 goto bad_path;
289 case '.':
290 if (verify_dotfile(path) < 0)
291 goto bad_path;
292 default:
293 continue;
294 }
295 }
296 c = *path++;
297 }
298 return 1;
299 bad_path:
300 free(*resolved_path);
301 return -E_BAD_PATH;
302 }
303
304 /** The on-disk layout of a afhi struct. */
305 enum afhi_offsets {
306 /** Where the number of seconds is stored. */
307 AFHI_SECONDS_TOTAL_OFFSET = 0,
308 /** Position of the bitrate. */
309 AFHI_BITRATE_OFFSET = 4,
310 /** Position of the frequency. */
311 AFHI_FREQUENCY_OFFSET = 8,
312 /** Location of the audio file header. */
313 AFHI_HEADER_OFFSET_OFFSET = 12,
314 /* Length of the audio file header. Zero means: No header. */
315 AFHI_HEADER_LEN_OFFSET = 16,
316 /** Number of channels is stored here. */
317 AFHI_CHANNELS_OFFSET = 20,
318 /** EOF timeout in ms. */
319 AFHI_EOF_OFFSET = 21,
320 /** The tag info position. */
321 AFHI_INFO_STRING_OFFSET = 23,
322 /** Minimal on-disk size of a valid afhi struct. */
323 MIN_AFHI_SIZE = 24
324 };
325
326 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
327 {
328 if (!afhi)
329 return 0;
330 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
331 }
332
333 static void save_afhi(struct afh_info *afhi, char *buf)
334 {
335 if (!afhi)
336 return;
337 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
338 afhi->seconds_total);
339 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
340 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
341 write_u32(buf + AFHI_HEADER_OFFSET_OFFSET, afhi->header_offset);
342 write_u32(buf + AFHI_HEADER_LEN_OFFSET, afhi->header_len);
343 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
344 write_u16(buf + AFHI_EOF_OFFSET, tv2ms(&afhi->eof_tv));
345 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
346 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
347 }
348
349 static void load_afhi(const char *buf, struct afh_info *afhi)
350 {
351 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
352 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
353 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
354 afhi->header_offset = read_u32(buf + AFHI_HEADER_OFFSET_OFFSET);
355 afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_OFFSET);
356 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
357 ms2tv(read_u16(buf + AFHI_EOF_OFFSET), &afhi->eof_tv);
358 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
359 }
360
361 //#define SIZEOF_CHUNK_TABLE(afhi) (((afhi)->chunks_total + 1) * sizeof(uint32_t))
362
363 static unsigned sizeof_chunk_info_buf(struct afh_info *afhi)
364 {
365 if (!afhi)
366 return 0;
367 return 4 * (afhi->chunks_total + 1) + 20;
368
369 }
370
371 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
372 enum chunk_info_offsets{
373 /** The total number of chunks (4 bytes). */
374 CHUNKS_TOTAL_OFFSET = 0,
375 /** The length of the audio file header (4 bytes). */
376 HEADER_LEN_OFFSET = 4,
377 /** The start of the audio file header (4 bytes). */
378 HEADER_OFFSET_OFFSET = 8,
379 /** The seconds part of the chunk time (4 bytes). */
380 CHUNK_TV_TV_SEC_OFFSET = 12,
381 /** The microseconds part of the chunk time (4 bytes). */
382 CHUNK_TV_TV_USEC = 16,
383 /** Chunk table entries start here. */
384 CHUNK_TABLE_OFFSET = 20,
385 };
386
387 static void save_chunk_table(struct afh_info *afhi, char *buf)
388 {
389 int i;
390
391 PARA_DEBUG_LOG("%lu chunks\n", afhi->chunks_total);
392 for (i = 0; i <= afhi->chunks_total; i++)
393 write_u32(buf + 4 * i, afhi->chunk_table[i]);
394 }
395
396 static void load_chunk_table(struct afh_info *afhi, char *buf)
397 {
398 int i;
399 for (i = 0; i <= afhi->chunks_total; i++)
400 afhi->chunk_table[i] = read_u32(buf + 4 * i);
401 }
402
403 /* TODO: audio format handlers could just produce this */
404 static void save_chunk_info(struct afh_info *afhi, char *buf)
405 {
406 if (!afhi)
407 return;
408 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
409 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
410 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
411 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
412 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
413 save_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
414 }
415
416 static int load_chunk_info(struct osl_object *obj, struct afh_info *afhi)
417 {
418 char *buf = obj->data;
419
420 if (obj->size < CHUNK_TABLE_OFFSET)
421 return -E_BAD_DATA_SIZE;
422
423 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
424 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
425 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
426 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
427 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
428
429 if ((afhi->chunks_total + 1) * 4 + CHUNK_TABLE_OFFSET > obj->size)
430 return -E_BAD_DATA_SIZE;
431 afhi->chunk_table = para_malloc((afhi->chunks_total + 1) * 4);
432 load_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
433 return 1;
434 }
435
436 /**
437 * Get the row of the audio file table corresponding to the given path.
438 *
439 * \param path The full path of the audio file.
440 * \param row Result pointer.
441 *
442 * \return The return value of the underlying call to osl_get_row().
443 */
444 int aft_get_row_of_path(const char *path, struct osl_row **row)
445 {
446 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
447
448 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
449 }
450
451 /**
452 * Get the row of the audio file table corresponding to the given hash value.
453 *
454 * \param hash The hash value of the desired audio file.
455 * \param row resul pointer.
456 *
457 * \return The return value of the underlying call to osl_get_row().
458 */
459 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
460 {
461 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
462 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
463 }
464
465 /**
466 * Get the osl object holding the audio file selector info of a row.
467 *
468 * \param row Pointer to a row in the audio file table.
469 * \param obj Result pointer.
470 *
471 * \return The return value of the underlying call to osl_get_object().
472 */
473 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
474 {
475 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
476 }
477
478 /**
479 * Get the osl object holding the audio file selector info, given a path.
480 *
481 *
482 * \param path The full path of the audio file.
483 * \param obj Result pointer.
484 *
485 * \return Positive on success, negative on errors.
486 */
487 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
488 {
489 struct osl_row *row;
490 int ret = aft_get_row_of_path(path, &row);
491 if (ret < 0)
492 return ret;
493 return get_afsi_object_of_row(row, obj);
494 }
495
496 /**
497 * Get the audio file selector info, given a row of the audio file table.
498 *
499 * \param row Pointer to a row in the audio file table.
500 * \param afsi Result pointer.
501 *
502 * \return Positive on success, negative on errors.
503 */
504 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
505 {
506 struct osl_object obj;
507 int ret = get_afsi_object_of_row(row, &obj);
508 if (ret < 0)
509 return ret;
510 return load_afsi(afsi, &obj);
511 }
512
513 /**
514 * Get the audio file selector info, given the path of an audio table.
515 *
516 * \param path The full path of the audio file.
517 * \param afsi Result pointer.
518 *
519 * \return Positive on success, negative on errors.
520 */
521 int get_afsi_of_path(const char *path, struct afs_info *afsi)
522 {
523 struct osl_object obj;
524 int ret = get_afsi_object_of_path(path, &obj);
525 if (ret < 0)
526 return ret;
527 return load_afsi(afsi, &obj);
528 }
529
530 /**
531 * Get the path of an audio file, given a row of the audio file table.
532 *
533 * \param row Pointer to a row in the audio file table.
534 * \param path Result pointer.
535 *
536 * The result is a pointer to mmapped data. The caller must not attempt
537 * to free it.
538 *
539 * \return Standard.
540 */
541 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
542 {
543 struct osl_object path_obj;
544 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
545 &path_obj);
546 if (ret < 0)
547 return ret;
548 *path = path_obj.data;
549 return 1;
550 }
551
552 /**
553 * Get the object containing the hash value of an audio file, given a row.
554 *
555 * \param row Pointer to a row of the audio file table.
556 * \param obj Result pointer.
557 *
558 * \return The return value of the underlying call to osl_get_object().
559 *
560 * \sa get_hash_of_row().
561 */
562 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
563 {
564 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
565 }
566
567 /**
568 * Get the hash value of an audio file, given a row of the audio file table.
569 *
570 * \param row Pointer to a row of the audio file table.
571 * \param hash Result pointer.
572 *
573 * \a hash points to mapped data and must not be freed by the caller.
574 *
575 * \return The return value of the underlying call to
576 * get_hash_object_of_aft_row().
577 */
578 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
579 {
580 struct osl_object obj;
581 int ret = get_hash_object_of_aft_row(row, &obj);
582
583 if (ret < 0)
584 return ret;
585 *hash = obj.data;
586 return 1;
587 }
588
589 /**
590 * Get the audio format handler info, given a row of the audio file table.
591 *
592 * \param row Pointer to a row of the audio file table.
593 * \param afhi Result pointer.
594 *
595 * \return The return value of the underlying call to osl_get_object().
596 *
597 * \sa get_chunk_table_of_row().
598 */
599 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
600 {
601 struct osl_object obj;
602 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
603 &obj);
604 if (ret < 0)
605 return ret;
606 load_afhi(obj.data, afhi);
607 return 1;
608 }
609
610 /* returns shmid on success */
611 static int save_afd(struct audio_file_data *afd)
612 {
613 size_t size = sizeof(*afd)
614 + 4 * (afd->afhi.chunks_total + 1);
615
616 PARA_DEBUG_LOG("size: %zu\n", size);
617 int shmid, ret = shm_new(size);
618 void *shm_afd;
619 char *buf;
620
621 if (ret < 0)
622 return ret;
623 shmid = ret;
624 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
625 if (ret < 0)
626 goto err;
627 *(struct audio_file_data *)shm_afd = *afd;
628 buf = shm_afd;
629 buf += sizeof(*afd);
630 save_chunk_table(&afd->afhi, buf);
631 shm_detach(shm_afd);
632 return shmid;
633 err:
634 shm_destroy(shmid);
635 return ret;
636 }
637
638 int load_afd(int shmid, struct audio_file_data *afd)
639 {
640 void *shm_afd;
641 char *buf;
642 int ret;
643
644 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
645 if (ret < 0)
646 return ret;
647 *afd = *(struct audio_file_data *)shm_afd;
648 buf = shm_afd;
649 buf += sizeof(*afd);
650 afd->afhi.chunk_table = para_malloc((afd->afhi.chunks_total + 1) * 4);
651 load_chunk_table(&afd->afhi, buf);
652 shm_detach(shm_afd);
653 return 1;
654 }
655
656 /**
657 * Mmap the given audio file and update statistics.
658 *
659 * \param aft_row Determines the audio file to be opened and updated.
660 * \param afd Result pointer.
661 *
662 * On success, the numplayed field of the audio file selector info is increased
663 * and the lastplayed time is set to the current time. Finally, the score of
664 * the audio file is updated.
665 *
666 * \return Positive shmid on success, negative on errors.
667 */
668 int open_and_update_audio_file(struct osl_row *aft_row,
669 struct audio_file_data *afd, long score)
670 {
671 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
672 struct osl_object afsi_obj;
673 struct afs_info old_afsi, new_afsi;
674 int ret = get_hash_of_row(aft_row, &aft_hash);
675 struct afsi_change_event_data aced;
676 struct osl_object map, chunk_table_obj;
677 char *path;
678
679 if (ret < 0)
680 return ret;
681 ret = get_audio_file_path_of_row(aft_row, &path);
682 if (ret < 0)
683 return ret;
684 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
685 if (ret < 0)
686 return ret;
687 ret = load_afsi(&old_afsi, &afsi_obj);
688 if (ret < 0)
689 return ret;
690 ret = get_afhi_of_row(aft_row, &afd->afhi);
691 if (ret < 0)
692 return ret;
693 ret = osl_open_disk_object(audio_file_table, aft_row,
694 AFTCOL_CHUNKS, &chunk_table_obj);
695 if (ret < 0)
696 return ret;
697 ret = mmap_full_file(path, O_RDONLY, &map.data,
698 &map.size, &afd->fd);
699 if (ret < 0)
700 goto err;
701 hash_function(map.data, map.size, file_hash);
702 ret = hash_compare(file_hash, aft_hash);
703 para_munmap(map.data, map.size);
704 if (ret) {
705 ret = -E_HASH_MISMATCH;
706 goto err;
707 }
708 new_afsi = old_afsi;
709 new_afsi.num_played++;
710 new_afsi.last_played = time(NULL);
711 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
712
713 ret = load_chunk_info(&chunk_table_obj, &afd->afhi);
714 if (ret < 0)
715 goto err;
716 {
717 struct ls_data d = {
718 .afhi = afd->afhi,
719 .afsi = old_afsi,
720 .path = path,
721 .score = score,
722 .hash = file_hash
723 };
724 struct para_buffer pb = {.buf = NULL};
725 ret = make_status_items(&d, &pb);
726 if (ret < 0)
727 goto err;
728 strncpy(afd->verbose_ls_output, pb.buf, VERBOSE_LS_OUTPUT_SIZE);
729 afd->verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE - 1] = '\0';
730 free(pb.buf);
731 }
732 aced.aft_row = aft_row;
733 aced.old_afsi = &old_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, struct ls_options *opts)
790 {
791 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
792 short unsigned max_width;
793
794 if (!hours) { /* m:ss or mm:ss */
795 max_width = opts->mode == LS_MODE_LONG?
796 opts->widths.duration_width : 4;
797 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
798 } else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
799 max_width = opts->mode == LS_MODE_LONG?
800 opts->widths.duration_width : 7;
801 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
802 seconds % 60);
803 }
804 }
805
806 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
807 {
808 char *att_text, *att_lines;
809
810 get_attribute_text(&afsi->attributes, " ", &att_text);
811 if (!att_text)
812 return para_strdup(att_bitmap);
813 att_lines = make_message("attributes: %s\nattributes_txt: %s",
814 att_bitmap, att_text);
815 free(att_text);
816 return att_lines;
817 }
818
819 static char *make_lyrics_lines(struct afs_info *afsi)
820 {
821 char *lyrics_name;
822
823 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
824 return make_message("lyrics_id: %u\nlyrics_name: %s\n",
825 afsi->lyrics_id, lyrics_name? lyrics_name : "(none)");
826 }
827
828 static char *make_image_lines(struct afs_info *afsi)
829 {
830 char *image_name;
831 img_get_name_by_id(afsi->image_id, &image_name);
832 return make_message("image_id: %u\nimage_name: %s\n",
833 afsi->image_id, image_name? image_name : "(none)");
834 }
835
836 static char *make_filename_lines(const char *path, unsigned flags)
837 {
838 char *basename, *dirname;
839 char *ret;
840
841 if (!(flags & LS_FLAG_FULL_PATH))
842 return make_message("%s: %s\n%s:\n", "basename", path,
843 "dir");
844 basename = para_basename(path),
845 dirname = para_dirname(path);
846 ret = make_message("%s: %s\n%s: %s\n%s: %s\n", "path", path,
847 "dir", dirname, "basename", basename);
848 free(basename);
849 free(dirname);
850 return ret;
851 }
852
853 static int print_list_item(struct ls_data *d, struct ls_options *opts,
854 struct para_buffer *b, time_t current_time)
855 {
856 int ret;
857 char att_buf[65];
858 char last_played_time[30];
859 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
860 char score_buf[30] = "";
861 struct afs_info *afsi = &d->afsi;
862 struct afh_info *afhi = &d->afhi;
863 struct ls_widths *w = &opts->widths;
864 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
865 char asc_hash[2 * HASH_SIZE + 1];
866 char *att_lines, *lyrics_lines, *image_lines, *filename_lines;
867
868 if (opts->mode == LS_MODE_SHORT) {
869 para_printf(b, "%s\n", d->path);
870 return 1;
871 }
872 get_attribute_bitmap(&afsi->attributes, att_buf);
873 ret = get_local_time(&afsi->last_played, last_played_time,
874 sizeof(last_played_time), current_time, opts->mode);
875 if (ret < 0)
876 return ret;
877 get_duration_buf(afhi->seconds_total, duration_buf, opts);
878 if (have_score) {
879 if (opts->mode == LS_MODE_LONG)
880 sprintf(score_buf, "%*li ", w->score_width, d->score);
881 else
882 sprintf(score_buf, "%li ", d->score);
883 }
884
885 if (opts->mode == LS_MODE_LONG) {
886 para_printf(b,
887 "%s" /* score */
888 "%s " /* attributes */
889 "%*d " /* image_id */
890 "%*d " /* lyrics_id */
891 "%*d " /* bitrate */
892 "%s " /* audio format */
893 "%*d " /* frequency */
894 "%d " /* channels */
895 "%s " /* duration */
896 "%*d " /* num_played */
897 "%s " /* last_played */
898 "%s\n", /* path */
899 score_buf,
900 att_buf,
901 w->image_id_width, afsi->image_id,
902 w->lyrics_id_width, afsi->lyrics_id,
903 w->bitrate_width, afhi->bitrate,
904 audio_format_name(afsi->audio_format_id),
905 w->frequency_width, afhi->frequency,
906 afhi->channels,
907 duration_buf,
908 w->num_played_width, afsi->num_played,
909 last_played_time,
910 d->path
911 );
912 return 1;
913 }
914 hash_to_asc(d->hash, asc_hash);
915 att_lines = make_attribute_lines(att_buf, afsi);
916 lyrics_lines = make_lyrics_lines(afsi);
917 image_lines = make_image_lines(afsi);
918 filename_lines = make_filename_lines(d->path, opts->flags);
919 if (opts->mode == LS_MODE_VERBOSE) {
920 para_printf(b,
921 "%s" /* filename stuff */
922 "%s%s%s" /* score */
923 "%s\n" /* attributes */
924 "hash: %s\n"
925 "%s" /* image id, image name */
926 "%s" /* lyrics */
927 "bitrate: %dkbit/s\n"
928 "format: %s\n"
929 "frequency: %dHz\n"
930 "channels: %d\n"
931 "duration: %s\n"
932 "seconds_total: %lu\n"
933 "num_played: %d\n"
934 "last_played: %s\n"
935 "%s\n", /* tag info */
936 filename_lines,
937 have_score? "score: " : "", score_buf,
938 have_score? "\n" : "",
939 att_lines,
940 asc_hash,
941 image_lines,
942 lyrics_lines,
943 afhi->bitrate,
944 audio_format_name(afsi->audio_format_id),
945 afhi->frequency,
946 afhi->channels,
947 duration_buf,
948 afhi->seconds_total,
949 afsi->num_played,
950 last_played_time,
951 afhi->info_string
952 );
953 } else { /* mbox mode */
954 struct osl_object lyrics_def;
955 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
956 para_printf(b,
957 "From foo@localhost %s\n"
958 "Received: from\nTo: bar\nFrom: a\n"
959 "Subject: %s\n\n" /* path */
960 "%s%s%s" /* score */
961 "%s\n" /* attributes */
962 "hash: %s\n"
963 "%s\n" /* image id, image name */
964 "lyrics_id: %s\n"
965 "bitrate: %dkbit/s\n"
966 "format: %s\n"
967 "frequency: %dHz\n"
968 "channels: %d\n"
969 "duration: %s\n"
970 "num_played: %d\n"
971 "%s\n" /* tag info */
972 "%s%s\n",
973 last_played_time,
974 d->path,
975 have_score? "score: " : "", score_buf,
976 have_score? "\n" : "",
977 att_lines,
978 asc_hash,
979 image_lines,
980 lyrics_lines,
981 afhi->bitrate,
982 audio_format_name(afsi->audio_format_id),
983 afhi->frequency,
984 afhi->channels,
985 duration_buf,
986 afsi->num_played,
987 afhi->info_string,
988 lyrics_def.data? "Lyrics:\n~~~~~~~\n" : "",
989 lyrics_def.data? (char *)lyrics_def.data : ""
990 );
991 if (lyrics_def.data)
992 osl_close_disk_object(lyrics_def.data);
993 }
994 free(att_lines);
995 free(lyrics_lines);
996 free(image_lines);
997 free(filename_lines);
998 return 1;
999 }
1000
1001 int make_status_items(struct ls_data *d, struct para_buffer *pb)
1002 {
1003 struct ls_options opts = {
1004 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
1005 .mode = LS_MODE_VERBOSE,
1006 };
1007 time_t current_time;
1008
1009 time(&current_time);
1010 return print_list_item(d, &opts, pb, current_time);
1011 }
1012
1013
1014 static int ls_audio_format_compare(const void *a, const void *b)
1015 {
1016 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1017 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1018 }
1019
1020 static int ls_duration_compare(const void *a, const void *b)
1021 {
1022 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1023 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1024 }
1025
1026 static int ls_bitrate_compare(const void *a, const void *b)
1027 {
1028 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1029 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1030 }
1031
1032 static int ls_lyrics_id_compare(const void *a, const void *b)
1033 {
1034 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1035 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1036 }
1037
1038 static int ls_image_id_compare(const void *a, const void *b)
1039 {
1040 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1041 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1042 }
1043
1044 static int ls_channels_compare(const void *a, const void *b)
1045 {
1046 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1047 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1048 }
1049
1050 static int ls_frequency_compare(const void *a, const void *b)
1051 {
1052 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1053 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1054 }
1055
1056 static int ls_num_played_compare(const void *a, const void *b)
1057 {
1058 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1059 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1060 }
1061
1062 static int ls_last_played_compare(const void *a, const void *b)
1063 {
1064 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1065 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1066 }
1067
1068 static int ls_score_compare(const void *a, const void *b)
1069 {
1070 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1071 return NUM_COMPARE(d1->score, d2->score);
1072 }
1073
1074 static int ls_path_compare(const void *a, const void *b)
1075 {
1076 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1077 return strcmp(d1->path, d2->path);
1078 }
1079
1080 static int sort_matching_paths(struct ls_options *options)
1081 {
1082 size_t nmemb = options->num_matching_paths;
1083 size_t size = sizeof(*options->data_ptr);
1084 int (*compar)(const void *, const void *);
1085 int i;
1086
1087 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1088 for (i = 0; i < nmemb; i++)
1089 options->data_ptr[i] = options->data + i;
1090
1091 /* In these cases the array is already sorted */
1092 if (options->sorting == LS_SORT_BY_PATH
1093 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1094 && (options->flags & LS_FLAG_FULL_PATH))
1095 return 1;
1096 if (options->sorting == LS_SORT_BY_SCORE &&
1097 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1098 return 1;
1099
1100 switch (options->sorting) {
1101 case LS_SORT_BY_PATH:
1102 compar = ls_path_compare; break;
1103 case LS_SORT_BY_SCORE:
1104 compar = ls_score_compare; break;
1105 case LS_SORT_BY_LAST_PLAYED:
1106 compar = ls_last_played_compare; break;
1107 case LS_SORT_BY_NUM_PLAYED:
1108 compar = ls_num_played_compare; break;
1109 case LS_SORT_BY_FREQUENCY:
1110 compar = ls_frequency_compare; break;
1111 case LS_SORT_BY_CHANNELS:
1112 compar = ls_channels_compare; break;
1113 case LS_SORT_BY_IMAGE_ID:
1114 compar = ls_image_id_compare; break;
1115 case LS_SORT_BY_LYRICS_ID:
1116 compar = ls_lyrics_id_compare; break;
1117 case LS_SORT_BY_BITRATE:
1118 compar = ls_bitrate_compare; break;
1119 case LS_SORT_BY_DURATION:
1120 compar = ls_duration_compare; break;
1121 case LS_SORT_BY_AUDIO_FORMAT:
1122 compar = ls_audio_format_compare; break;
1123 default:
1124 return -E_BAD_SORT;
1125 }
1126 qsort(options->data_ptr, nmemb, size, compar);
1127 return 1;
1128 }
1129
1130 /* row is either an aft_row or a row of the score table */
1131 /* TODO: Only compute widths if we need them */
1132 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1133 {
1134 int ret, i;
1135 struct ls_options *options = ls_opts;
1136 struct ls_data *d;
1137 struct ls_widths *w;
1138 unsigned short num_digits;
1139 unsigned tmp;
1140 struct osl_row *aft_row;
1141 long score;
1142 char *path;
1143
1144 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1145 ret = get_score_and_aft_row(row, &score, &aft_row);
1146 if (ret < 0)
1147 return ret;
1148 } else
1149 aft_row = row;
1150 ret = get_audio_file_path_of_row(aft_row, &path);
1151 if (ret < 0)
1152 return ret;
1153 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1154 char *p = strrchr(path, '/');
1155 if (p)
1156 path = p + 1;
1157 }
1158 if (options->num_patterns) {
1159 for (i = 0; i < options->num_patterns; i++) {
1160 ret = fnmatch(options->patterns[i], path, 0);
1161 if (!ret)
1162 break;
1163 if (ret == FNM_NOMATCH)
1164 continue;
1165 return -E_FNMATCH;
1166 }
1167 if (i >= options->num_patterns) /* no match */
1168 return 1;
1169 }
1170 tmp = options->num_matching_paths++;
1171 if (options->num_matching_paths > options->array_size) {
1172 options->array_size++;
1173 options->array_size *= 2;
1174 options->data = para_realloc(options->data, options->array_size
1175 * sizeof(*options->data));
1176 }
1177 d = options->data + tmp;
1178 ret = get_afsi_of_row(aft_row, &d->afsi);
1179 if (ret < 0)
1180 return ret;
1181 ret = get_afhi_of_row(aft_row, &d->afhi);
1182 if (ret < 0)
1183 return ret;
1184 d->path = path;
1185 ret = get_hash_of_row(aft_row, &d->hash);
1186 if (ret < 0)
1187 return ret;
1188 w = &options->widths;
1189 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1190 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1191 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1192 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1193 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1194 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1195 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1196 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1197 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1198 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1199 /* get the number of chars to print this amount of time */
1200 tmp = get_duration_width(d->afhi.seconds_total);
1201 w->duration_width = PARA_MAX(w->duration_width, tmp);
1202 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1203 GET_NUM_DIGITS(score, &num_digits);
1204 num_digits++; /* add one for the sign (space or "-") */
1205 w->score_width = PARA_MAX(w->score_width, num_digits);
1206 d->score = score;
1207 }
1208 return 1;
1209 }
1210
1211 static int com_ls_callback(const struct osl_object *query,
1212 struct osl_object *ls_output)
1213 {
1214 struct ls_options *opts = query->data;
1215 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1216 struct para_buffer b = {.buf = NULL, .size = 0};
1217 int i = 0, ret;
1218 time_t current_time;
1219
1220
1221 if (opts->num_patterns) {
1222 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1223 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1224 opts->patterns[i] = p;
1225 p += strlen(p) + 1;
1226 }
1227 } else
1228 opts->patterns = NULL;
1229 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1230 ret = admissible_file_loop(opts, prepare_ls_row);
1231 else
1232 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1233 prepare_ls_row);
1234 if (ret < 0)
1235 goto out;
1236 ret = opts->num_patterns? -E_NO_MATCH : 0;
1237 if (!opts->num_matching_paths)
1238 goto out;
1239 ret = sort_matching_paths(opts);
1240 if (ret < 0)
1241 goto out;
1242 time(&current_time);
1243 if (opts->flags & LS_FLAG_REVERSE)
1244 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1245 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1246 if (ret < 0)
1247 break;
1248 }
1249 else
1250 for (i = 0; i < opts->num_matching_paths; i++) {
1251 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1252 if (ret < 0)
1253 break;
1254 }
1255 ret = 1;
1256 out:
1257 ls_output->data = b.buf;
1258 ls_output->size = b.size;
1259 free(opts->data);
1260 free(opts->data_ptr);
1261 free(opts->patterns);
1262 return ret;
1263 }
1264
1265 /*
1266 * TODO: flags -h (sort by hash)
1267 */
1268 int com_ls(int fd, int argc, char * const * const argv)
1269 {
1270 int i, ret;
1271 unsigned flags = 0;
1272 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1273 enum ls_listing_mode mode = LS_MODE_SHORT;
1274 struct ls_options opts = {.patterns = NULL};
1275 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1276 ls_output;
1277
1278 for (i = 1; i < argc; i++) {
1279 const char *arg = argv[i];
1280 if (arg[0] != '-')
1281 break;
1282 if (!strcmp(arg, "--")) {
1283 i++;
1284 break;
1285 }
1286 if (!strncmp(arg, "-l", 2)) {
1287 if (!*(arg + 2)) {
1288 mode = LS_MODE_LONG;
1289 continue;
1290 }
1291 if (*(arg + 3))
1292 return -E_AFT_SYNTAX;
1293 switch(*(arg + 2)) {
1294 case 's':
1295 mode = LS_MODE_SHORT;
1296 continue;
1297 case 'l':
1298 mode = LS_MODE_LONG;
1299 continue;
1300 case 'v':
1301 mode = LS_MODE_VERBOSE;
1302 continue;
1303 case 'm':
1304 mode = LS_MODE_MBOX;
1305 continue;
1306 default:
1307 return -E_AFT_SYNTAX;
1308 }
1309 }
1310 if (!strcmp(arg, "-p")) {
1311 flags |= LS_FLAG_FULL_PATH;
1312 continue;
1313 }
1314 if (!strcmp(arg, "-a")) {
1315 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1316 continue;
1317 }
1318 if (!strcmp(arg, "-r")) {
1319 flags |= LS_FLAG_REVERSE;
1320 continue;
1321 }
1322 if (!strncmp(arg, "-s", 2)) {
1323 if (!*(arg + 2) || *(arg + 3))
1324 return -E_AFT_SYNTAX;
1325 switch(*(arg + 2)) {
1326 case 'p':
1327 sort = LS_SORT_BY_PATH;
1328 continue;
1329 case 's': /* -ss implies -a */
1330 sort = LS_SORT_BY_SCORE;
1331 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1332 continue;
1333 case 'l':
1334 sort = LS_SORT_BY_LAST_PLAYED;
1335 continue;
1336 case 'n':
1337 sort = LS_SORT_BY_NUM_PLAYED;
1338 continue;
1339 case 'f':
1340 sort = LS_SORT_BY_FREQUENCY;
1341 continue;
1342 case 'c':
1343 sort = LS_SORT_BY_CHANNELS;
1344 continue;
1345 case 'i':
1346 sort = LS_SORT_BY_IMAGE_ID;
1347 continue;
1348 case 'y':
1349 sort = LS_SORT_BY_LYRICS_ID;
1350 continue;
1351 case 'b':
1352 sort = LS_SORT_BY_BITRATE;
1353 continue;
1354 case 'd':
1355 sort = LS_SORT_BY_DURATION;
1356 continue;
1357 case 'a':
1358 sort = LS_SORT_BY_AUDIO_FORMAT;
1359 continue;
1360 default:
1361 return -E_AFT_SYNTAX;
1362 }
1363 }
1364 return -E_AFT_SYNTAX;
1365 }
1366 opts.flags = flags;
1367 opts.sorting = sort;
1368 opts.mode = mode;
1369 opts.num_patterns = argc - i;
1370 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1371 argv + i, com_ls_callback, &ls_output);
1372 if (ret > 0) {
1373 ret = send_buffer(fd, (char *)ls_output.data);
1374 free(ls_output.data);
1375 }
1376 return ret;
1377 }
1378
1379 /**
1380 * Call the given function for each file in the audio file table.
1381 *
1382 * \param private_data An arbitrary data pointer, passed to \a func.
1383 * \param func The custom function to be called.
1384 *
1385 * \return The return value of the underlying call to osl_rbtree_loop().
1386 */
1387 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1388 {
1389 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1390 func);
1391 }
1392
1393 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1394 {
1395 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1396 struct osl_row *row;
1397
1398 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1399 return row;
1400 }
1401
1402 enum aft_row_offsets {
1403 AFTROW_AFHI_OFFSET_POS = 0,
1404 AFTROW_CHUNKS_OFFSET_POS = 2,
1405 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1406 AFTROW_FLAGS_OFFSET = 5,
1407 AFTROW_HASH_OFFSET = 9,
1408 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1409 };
1410
1411 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1412 * In this case, afhi won't be stored in the buffer */
1413 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1414 struct afh_info *afhi, uint32_t flags,
1415 uint8_t audio_format_num, struct osl_object *obj)
1416 {
1417 size_t path_len = strlen(path) + 1;
1418 size_t afhi_size = sizeof_afhi_buf(afhi);
1419 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1420 + sizeof_chunk_info_buf(afhi);
1421 char *buf = para_malloc(size);
1422 uint16_t pos;
1423
1424 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1425 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1426
1427 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1428 strcpy(buf + AFTROW_PATH_OFFSET, path);
1429
1430 pos = AFTROW_PATH_OFFSET + path_len;
1431 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1432 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1433 pos + afhi_size - 1);
1434 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1435 save_afhi(afhi, buf + pos);
1436
1437 pos += afhi_size;
1438 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1439 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1440 save_chunk_info(afhi, buf + pos);
1441 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1442 obj->data = buf;
1443 obj->size = size;
1444 }
1445
1446 /*
1447 input:
1448 ~~~~~~
1449 HS: hash sister
1450 PB: path brother
1451 F: force flag given
1452
1453 output:
1454 ~~~~~~~
1455 AFHI: whether afhi and chunk table are computed and sent
1456 ACTION: table modifications to be performed
1457
1458 +---+----+-----+------+---------------------------------------------------+
1459 | HS | PB | F | AFHI | ACTION
1460 +---+----+-----+------+---------------------------------------------------+
1461 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1462 | | update path, keep afsi
1463 +---+----+-----+------+---------------------------------------------------+
1464 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1465 | | otherwise: remove PB, HS: update path, keep afhi,
1466 | | afsi.
1467 +---+----+-----+------+---------------------------------------------------+
1468 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1469 | | HS, keep afsi
1470 +---+----+-----+------+---------------------------------------------------+
1471 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1472 +---+----+-----+------+---------------------------------------------------+
1473 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1474 | | (force has no effect)
1475 +---+----+-----+------+---------------------------------------------------+
1476 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1477 +---+----+-----+------+---------------------------------------------------+
1478 | N | N | Y | Y | (new file) create new entry (force has no effect)
1479 +---+----+-----+------+---------------------------------------------------+
1480 | N | N | N | Y | (new file) create new entry
1481 +---+----+-----+------+---------------------------------------------------+
1482
1483 afhi <=> force or no HS
1484
1485 */
1486
1487 /** Flags passed to the add command. */
1488 enum com_add_flags {
1489 /** Skip paths that exist already. */
1490 ADD_FLAG_LAZY = 1,
1491 /** Force adding. */
1492 ADD_FLAG_FORCE = 2,
1493 /** Print what is being done. */
1494 ADD_FLAG_VERBOSE = 4,
1495 /** Try to add files with unknown suffixes. */
1496 ADD_FLAG_ALL = 8,
1497 };
1498
1499 static int com_add_callback(const struct osl_object *query,
1500 struct osl_object *result)
1501 {
1502 char *buf = query->data, *path;
1503 struct osl_row *pb, *aft_row;
1504 struct osl_row *hs;
1505 struct osl_object objs[NUM_AFT_COLUMNS];
1506 HASH_TYPE *hash;
1507 char asc[2 * HASH_SIZE + 1];
1508 int ret;
1509 char afsi_buf[AFSI_SIZE];
1510 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1511 struct afs_info default_afsi = {.last_played = 0};
1512 struct para_buffer msg = {.buf = NULL};
1513
1514 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1515 hash_to_asc(hash, asc);;
1516 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1517 objs[AFTCOL_HASH].size = HASH_SIZE;
1518
1519 path = buf + AFTROW_PATH_OFFSET;
1520 objs[AFTCOL_PATH].data = path;
1521 objs[AFTCOL_PATH].size = strlen(path) + 1;
1522
1523 PARA_INFO_LOG("request to add %s\n", path);
1524 hs = find_hash_sister(hash);
1525 ret = aft_get_row_of_path(path, &pb);
1526 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1527 return ret;
1528 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1529 if (flags & ADD_FLAG_VERBOSE)
1530 para_printf(&msg, "ignoring duplicate\n");
1531 ret = 1;
1532 goto out;
1533 }
1534 if (hs && hs != pb) {
1535 struct osl_object obj;
1536 if (pb) { /* hs trumps pb, remove pb */
1537 if (flags & ADD_FLAG_VERBOSE)
1538 para_printf(&msg, "removing path brother\n");
1539 ret = osl_del_row(audio_file_table, pb);
1540 if (ret < 0)
1541 goto out;
1542 pb = NULL;
1543 }
1544 /* file rename, update hs' path */
1545 if (flags & ADD_FLAG_VERBOSE) {
1546 ret = osl_get_object(audio_file_table, hs,
1547 AFTCOL_PATH, &obj);
1548 if (ret < 0)
1549 goto out;
1550 para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1551 }
1552 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1553 &objs[AFTCOL_PATH]);
1554 if (ret < 0)
1555 goto out;
1556 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1557 if (!(flags & ADD_FLAG_FORCE))
1558 goto out;
1559 }
1560 /* no hs or force mode, child must have sent afhi */
1561 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1562 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1563
1564 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1565 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1566 ret = -E_NO_AFHI;
1567 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1568 goto out;
1569 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1570 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1571 if (pb && !hs) { /* update pb's hash */
1572 char old_asc[2 * HASH_SIZE + 1];
1573 HASH_TYPE *old_hash;
1574 ret = get_hash_of_row(pb, &old_hash);
1575 if (ret < 0)
1576 goto out;
1577 hash_to_asc(old_hash, old_asc);
1578 if (flags & ADD_FLAG_VERBOSE)
1579 para_printf(&msg, "file change: %s -> %s\n",
1580 old_asc, asc);
1581 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1582 &objs[AFTCOL_HASH]);
1583 if (ret < 0)
1584 goto out;
1585 }
1586 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1587 struct osl_row *row = pb? pb : hs;
1588 /* update afhi and chunk_table */
1589 if (flags & ADD_FLAG_VERBOSE)
1590 para_printf(&msg, "updating afhi and chunk table\n");
1591 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1592 &objs[AFTCOL_AFHI]);
1593 if (ret < 0)
1594 goto out;
1595 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1596 &objs[AFTCOL_CHUNKS]);
1597 if (ret < 0)
1598 goto out;
1599 afs_event(AFHI_CHANGE, &msg, row);
1600 goto out;
1601 }
1602 /* new entry, use default afsi */
1603 if (flags & ADD_FLAG_VERBOSE)
1604 para_printf(&msg, "new file\n");
1605 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1606 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1607
1608 objs[AFTCOL_AFSI].data = &afsi_buf;
1609 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1610 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1611 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1612 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1613 out:
1614 if (ret < 0)
1615 para_printf(&msg, "%s\n", PARA_STRERROR(-ret));
1616 if (!msg.buf)
1617 return 0;
1618 result->data = msg.buf;
1619 result->size = msg.size;
1620 return 1;
1621 }
1622
1623 /** Used by com_add(). */
1624 struct private_add_data {
1625 /** The socket file descriptor. */
1626 int fd;
1627 /** The given add flags. */
1628 uint32_t flags;
1629 };
1630
1631 static int path_brother_callback(const struct osl_object *query,
1632 struct osl_object *result)
1633 {
1634 char *path = query->data;
1635 struct osl_row *path_brother;
1636 int ret = aft_get_row_of_path(path, &path_brother);
1637 if (ret < 0)
1638 return ret;
1639 result->data = para_malloc(sizeof(path_brother));
1640 result->size = sizeof(path_brother);
1641 *(struct osl_row **)(result->data) = path_brother;
1642 return 1;
1643 }
1644
1645 static int hash_sister_callback(const struct osl_object *query,
1646 struct osl_object *result)
1647 {
1648 HASH_TYPE *hash = query->data;
1649 struct osl_row *hash_sister;
1650
1651 hash_sister = find_hash_sister(hash);
1652 if (!hash_sister)
1653 return -E_RB_KEY_NOT_FOUND;
1654 result->data = para_malloc(sizeof(hash_sister));
1655 result->size = sizeof(hash_sister);
1656 *(struct osl_row **)(result->data) = hash_sister;
1657 return 1;
1658 }
1659
1660 static int add_one_audio_file(const char *path, const void *private_data)
1661 {
1662 int ret, ret2;
1663 uint8_t format_num = -1;
1664 const struct private_add_data *pad = private_data;
1665 struct afh_info afhi, *afhi_ptr = NULL;
1666 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1667 struct osl_object map, obj = {.data = NULL}, query, result = {.data = NULL};
1668 HASH_TYPE hash[HASH_SIZE];
1669
1670 afhi.header_offset = 0;
1671 afhi.header_len = 0;
1672 ret = guess_audio_format(path);
1673 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1674 goto out_free;
1675 query.data = (char *)path;
1676 query.size = strlen(path) + 1;
1677 ret = send_callback_request(path_brother_callback, &query, &result);
1678 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1679 goto out_free;
1680 if (ret >= 0) {
1681 pb = *(struct osl_row **)result.data;
1682 free(result.data);
1683 }
1684 ret = 1;
1685 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1686 if (pad->flags & ADD_FLAG_VERBOSE)
1687 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1688 goto out_free;
1689 }
1690 /* We still want to add this file. Compute its hash. */
1691 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, NULL);
1692 if (ret < 0)
1693 goto out_free;
1694 hash_function(map.data, map.size, hash);
1695
1696 /* Check whether database contains file with the same hash. */
1697 query.data = hash;
1698 query.size = HASH_SIZE;
1699 ret = send_callback_request(hash_sister_callback, &query, &result);
1700 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1701 goto out_free;
1702 if (ret >= 0) {
1703 hs = *(struct osl_row **)result.data;
1704 free(result.data);
1705 }
1706 /* Return success if we already know this file. */
1707 ret = 1;
1708 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1709 if (pad->flags & ADD_FLAG_VERBOSE)
1710 ret = send_va_buffer(pad->fd,
1711 "%s exists, not forcing update\n", path);
1712 goto out_unmap;
1713 }
1714 /*
1715 * we won't recalculate the audio format info and the chunk table if
1716 * there is a hash sister unless in FORCE mode.
1717 */
1718 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1719 ret = compute_afhi(path, map.data, map.size, &afhi);
1720 if (ret < 0)
1721 goto out_unmap;
1722 format_num = ret;
1723 afhi_ptr = &afhi;
1724 }
1725 if (pad->flags & ADD_FLAG_VERBOSE) {
1726 ret = send_va_buffer(pad->fd, "adding %s\n", path);
1727 if (ret < 0)
1728 goto out_unmap;
1729 }
1730 munmap(map.data, map.size);
1731 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1732 /* Ask afs to consider this entry for adding. */
1733 ret = send_callback_request(com_add_callback, &obj, &result);
1734 if (ret > 0) {
1735 ret2 = send_va_buffer(pad->fd, "%s", (char *)result.data);
1736 free(result.data);
1737 if (ret >= 0 && ret2 < 0)
1738 ret = ret2;
1739 }
1740 goto out_free;
1741
1742 out_unmap:
1743 munmap(map.data, map.size);
1744 out_free:
1745 if (ret < 0 && ret != -E_SEND)
1746 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1747 PARA_STRERROR(-ret));
1748 free(obj.data);
1749 if (afhi_ptr)
1750 free(afhi_ptr->chunk_table);
1751 /* it's not an error if not all files could be added */
1752 return ret == -E_SEND? ret : 1;
1753 }
1754
1755 int com_add(int fd, int argc, char * const * const argv)
1756 {
1757 int i, ret;
1758 struct private_add_data pad = {.fd = fd, .flags = 0};
1759 struct stat statbuf;
1760
1761 for (i = 1; i < argc; i++) {
1762 const char *arg = argv[i];
1763 if (arg[0] != '-')
1764 break;
1765 if (!strcmp(arg, "--")) {
1766 i++;
1767 break;
1768 }
1769 if (!strcmp(arg, "-a")) {
1770 pad.flags |= ADD_FLAG_ALL;
1771 continue;
1772 }
1773 if (!strcmp(arg, "-l")) {
1774 pad.flags |= ADD_FLAG_LAZY;
1775 continue;
1776 }
1777 if (!strcmp(arg, "-f")) {
1778 pad.flags |= ADD_FLAG_FORCE;
1779 continue;
1780 }
1781 if (!strcmp(arg, "-v")) {
1782 pad.flags |= ADD_FLAG_VERBOSE;
1783 continue;
1784 }
1785 }
1786 if (argc <= i)
1787 return -E_AFT_SYNTAX;
1788 for (; i < argc; i++) {
1789 char *path;
1790 ret = verify_path(argv[i], &path);
1791 if (ret < 0) {
1792 ret = send_va_buffer(fd, "%s: %s\n", argv[i], PARA_STRERROR(-ret));
1793 if (ret < 0)
1794 return ret;
1795 continue;
1796 }
1797 ret = stat(path, &statbuf);
1798 if (ret < 0) {
1799 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1800 strerror(errno));
1801 free(path);
1802 if (ret < 0)
1803 return ret;
1804 continue;
1805 }
1806 if (S_ISDIR(statbuf.st_mode))
1807 ret = for_each_file_in_dir(path, add_one_audio_file,
1808 &pad);
1809 else
1810 ret = add_one_audio_file(path, &pad);
1811 if (ret < 0) {
1812 send_va_buffer(fd, "%s: %s\n", path, PARA_STRERROR(-ret));
1813 free(path);
1814 return ret;
1815 }
1816 free(path);
1817 }
1818 return 1;
1819
1820 }
1821
1822 /**
1823 * Flags used by the touch command.
1824 *
1825 * \sa com_touch().
1826 */
1827 enum touch_flags {
1828 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1829 TOUCH_FLAG_FNM_PATHNAME = 1,
1830 /** Activates verbose mode. */
1831 TOUCH_FLAG_VERBOSE = 2
1832 };
1833
1834 /** Options used by com_touch(). */
1835 struct com_touch_options {
1836 /** New num_played value. */
1837 int32_t num_played;
1838 /** New last played count. */
1839 int64_t last_played;
1840 /** new lyrics id. */
1841 int32_t lyrics_id;
1842 /** new image id. */
1843 int32_t image_id;
1844 /** command line flags (see \ref touch_flags). */
1845 unsigned flags;
1846 };
1847
1848 /** Data passed to the action handler of com_touch(). */
1849 struct touch_action_data {
1850 /** Command line options (see \ref com_touch_options). */
1851 struct com_touch_options *cto;
1852 /** Message buffer. */
1853 struct para_buffer pb;
1854 };
1855
1856 static int touch_audio_file(__a_unused struct osl_table *table,
1857 struct osl_row *row, const char *name, void *data)
1858 {
1859 struct touch_action_data *tad = data;
1860 struct osl_object obj;
1861 struct afs_info old_afsi, new_afsi;
1862 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1863 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1864 struct afsi_change_event_data aced;
1865
1866 ret = get_afsi_object_of_row(row, &obj);
1867 if (ret < 0) {
1868 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1869 return 1;
1870 }
1871 ret = load_afsi(&old_afsi, &obj);
1872 if (ret < 0) {
1873 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1874 return 1;
1875 }
1876 new_afsi = old_afsi;
1877 if (no_options) {
1878 new_afsi.num_played++;
1879 new_afsi.last_played = time(NULL);
1880 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1881 para_printf(&tad->pb, "%s: num_played = %u, "
1882 "last_played = now()\n", name,
1883 new_afsi.num_played);
1884 } else {
1885 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1886 para_printf(&tad->pb, "touching %s\n", name);
1887 if (tad->cto->lyrics_id >= 0)
1888 new_afsi.lyrics_id = tad->cto->lyrics_id;
1889 if (tad->cto->image_id >= 0)
1890 new_afsi.image_id = tad->cto->image_id;
1891 if (tad->cto->num_played >= 0)
1892 new_afsi.num_played = tad->cto->num_played;
1893 if (tad->cto->last_played >= 0)
1894 new_afsi.last_played = tad->cto->last_played;
1895 }
1896 save_afsi(&new_afsi, &obj); /* in-place update */
1897 aced.aft_row = row;
1898 aced.old_afsi = &old_afsi;
1899 afs_event(AFSI_CHANGE, &tad->pb, &aced);
1900 return 1;
1901 }
1902
1903 static int com_touch_callback(const struct osl_object *query,
1904 struct osl_object *result)
1905 {
1906 struct touch_action_data tad = {.cto = query->data};
1907 int ret;
1908 struct pattern_match_data pmd = {
1909 .table = audio_file_table,
1910 .loop_col_num = AFTCOL_HASH,
1911 .match_col_num = AFTCOL_PATH,
1912 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1913 .size = query->size - sizeof(*tad.cto)},
1914 .data = &tad,
1915 .action = touch_audio_file
1916 };
1917 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1918 pmd.fnmatch_flags |= FNM_PATHNAME;
1919 ret = for_each_matching_row(&pmd);
1920 if (ret < 0)
1921 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1922 if (tad.pb.buf) {
1923 result->data = tad.pb.buf;
1924 result->size = tad.pb.size;
1925 return 1;
1926 }
1927 return ret < 0? ret : 0;
1928 }
1929
1930 int com_touch(int fd, int argc, char * const * const argv)
1931 {
1932 struct com_touch_options cto = {
1933 .num_played = -1,
1934 .last_played = -1,
1935 .lyrics_id = -1,
1936 .image_id = -1
1937 };
1938 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1939 result;
1940 int i, ret;
1941
1942
1943 for (i = 1; i < argc; i++) {
1944 const char *arg = argv[i];
1945 if (arg[0] != '-')
1946 break;
1947 if (!strcmp(arg, "--")) {
1948 i++;
1949 break;
1950 }
1951 if (!strncmp(arg, "-n", 2)) {
1952 ret = para_atoi32(arg + 2, &cto.num_played);
1953 if (ret < 0)
1954 return ret;
1955 continue;
1956 }
1957 if (!strncmp(arg, "-l", 2)) {
1958 ret = para_atoi64(arg + 2, &cto.last_played);
1959 if (ret < 0)
1960 return ret;
1961 continue;
1962 }
1963 if (!strncmp(arg, "-y", 2)) {
1964 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1965 if (ret < 0)
1966 return ret;
1967 continue;
1968 }
1969 if (!strncmp(arg, "-i", 2)) {
1970 ret = para_atoi32(arg + 2, &cto.image_id);
1971 if (ret < 0)
1972 return ret;
1973 continue;
1974 }
1975 if (!strcmp(arg, "-p")) {
1976 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1977 continue;
1978 }
1979 if (!strcmp(arg, "-v")) {
1980 cto.flags |= TOUCH_FLAG_VERBOSE;
1981 continue;
1982 }
1983 break; /* non-option starting with dash */
1984 }
1985 if (i >= argc)
1986 return -E_AFT_SYNTAX;
1987 ret = send_option_arg_callback_request(&query, argc - i,
1988 argv + i, com_touch_callback, &result);
1989 if (ret > 0) {
1990 send_buffer(fd, (char *)result.data);
1991 free(result.data);
1992 } else if (ret < 0)
1993 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1994 return ret;
1995 }
1996
1997 /** Flags for com_rm(). */
1998 enum rm_flags {
1999 /** -v */
2000 RM_FLAG_VERBOSE = 1,
2001 /** -f */
2002 RM_FLAG_FORCE = 2,
2003 /** -p */
2004 RM_FLAG_FNM_PATHNAME = 4
2005 };
2006
2007 /** Data passed to the action handler of com_rm(). */
2008 struct com_rm_action_data {
2009 /** Command line flags ((see \ref rm_flags). */
2010 uint32_t flags;
2011 /** Message buffer. */
2012 struct para_buffer pb;
2013 /** Number of audio files removed. */
2014 unsigned num_removed;
2015 };
2016
2017 static int remove_audio_file(__a_unused struct osl_table *table,
2018 struct osl_row *row, const char *name, void *data)
2019 {
2020 struct com_rm_action_data *crd = data;
2021 int ret;
2022
2023 if (crd->flags & RM_FLAG_VERBOSE)
2024 para_printf(&crd->pb, "removing %s\n", name);
2025 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2026 ret = osl_del_row(audio_file_table, row);
2027 if (ret < 0)
2028 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
2029 else
2030 crd->num_removed++;
2031 return 1;
2032 }
2033
2034 static int com_rm_callback(const struct osl_object *query,
2035 __a_unused struct osl_object *result)
2036 {
2037 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data};
2038 int ret;
2039 struct pattern_match_data pmd = {
2040 .table = audio_file_table,
2041 .loop_col_num = AFTCOL_HASH,
2042 .match_col_num = AFTCOL_PATH,
2043 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2044 .size = query->size - sizeof(uint32_t)},
2045 .data = &crd,
2046 .action = remove_audio_file
2047 };
2048 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2049 pmd.fnmatch_flags |= FNM_PATHNAME;
2050 ret = for_each_matching_row(&pmd);
2051 if (ret < 0)
2052 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
2053 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2054 para_printf(&crd.pb, "no matches -- nothing removed\n");
2055 else {
2056 if (crd.flags & RM_FLAG_VERBOSE)
2057 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2058 }
2059 if (crd.pb.buf) {
2060 result->data = crd.pb.buf;
2061 result->size = crd.pb.size;
2062 return 1;
2063 }
2064 return ret < 0? ret : 0;
2065 }
2066
2067 /* TODO options: -r (recursive) */
2068 int com_rm(int fd, int argc, char * const * const argv)
2069 {
2070 uint32_t flags = 0;
2071 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
2072 result;
2073 int i, ret;
2074
2075 for (i = 1; i < argc; i++) {
2076 const char *arg = argv[i];
2077 if (arg[0] != '-')
2078 break;
2079 if (!strcmp(arg, "--")) {
2080 i++;
2081 break;
2082 }
2083 if (!strcmp(arg, "-f")) {
2084 flags |= RM_FLAG_FORCE;
2085 continue;
2086 }
2087 if (!strcmp(arg, "-p")) {
2088 flags |= RM_FLAG_FNM_PATHNAME;
2089 continue;
2090 }
2091 if (!strcmp(arg, "-v")) {
2092 flags |= RM_FLAG_VERBOSE;
2093 continue;
2094 }
2095 break;
2096 }
2097 if (i >= argc)
2098 return -E_AFT_SYNTAX;
2099 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2100 com_rm_callback, &result);
2101 if (ret > 0) {
2102 send_buffer(fd, (char *)result.data);
2103 free(result.data);
2104 } else if (ret < 0)
2105 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2106 return ret;
2107 }
2108
2109 /**
2110 * Flags used by the cpsi command.
2111 *
2112 * \sa com_cpsi().
2113 */
2114 enum cpsi_flags {
2115 /** Whether the lyrics id should be copied. */
2116 CPSI_FLAG_COPY_LYRICS_ID = 1,
2117 /** Whether the image id should be copied. */
2118 CPSI_FLAG_COPY_IMAGE_ID = 2,
2119 /** Whether the lastplayed time should be copied. */
2120 CPSI_FLAG_COPY_LASTPLAYED = 4,
2121 /** Whether the numplayed count should be copied. */
2122 CPSI_FLAG_COPY_NUMPLAYED = 8,
2123 /** Whether the attributes should be copied. */
2124 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2125 /** Activates verbose mode. */
2126 CPSI_FLAG_VERBOSE = 32,
2127 };
2128
2129 /** Data passed to the action handler of com_cpsi(). */
2130 struct cpsi_action_data {
2131 /** command line flags (see \ref cpsi_flags). */
2132 unsigned flags;
2133 /** Number of audio files changed. */
2134 unsigned num_copied;
2135 /** Message buffer. */
2136 struct para_buffer pb;
2137 /** Values are copied from here. */
2138 struct afs_info source_afsi;
2139 };
2140
2141 static int copy_selector_info(__a_unused struct osl_table *table,
2142 struct osl_row *row, const char *name, void *data)
2143 {
2144 struct cpsi_action_data *cad = data;
2145 struct osl_object target_afsi_obj;
2146 int ret;
2147 struct afs_info old_afsi, target_afsi;
2148 struct afsi_change_event_data aced;
2149
2150 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2151 if (ret < 0)
2152 return ret;
2153 load_afsi(&target_afsi, &target_afsi_obj);
2154 old_afsi = target_afsi;
2155 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2156 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2157 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2158 target_afsi.image_id = cad->source_afsi.image_id;
2159 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2160 target_afsi.last_played = cad->source_afsi.last_played;
2161 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2162 target_afsi.num_played = cad->source_afsi.num_played;
2163 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2164 target_afsi.attributes = cad->source_afsi.attributes;
2165 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2166 cad->num_copied++;
2167 if (cad->flags & CPSI_FLAG_VERBOSE)
2168 para_printf(&cad->pb, "copied afsi to %s\n", name);
2169 aced.aft_row = row;
2170 aced.old_afsi = &old_afsi;
2171 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2172 return 1;
2173 }
2174
2175 static int com_cpsi_callback(const struct osl_object *query,
2176 struct osl_object *result)
2177 {
2178 struct cpsi_action_data cad = {.flags = *(unsigned *)query->data};
2179 int ret;
2180 char *source_path = (char *)query->data + sizeof(cad.flags);
2181
2182 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2183 if (ret < 0)
2184 goto out;
2185 struct pattern_match_data pmd = {
2186 .table = audio_file_table,
2187 .loop_col_num = AFTCOL_HASH,
2188 .match_col_num = AFTCOL_PATH,
2189 .patterns = {.data = source_path + strlen(source_path) + 1,
2190 .size = query->size - sizeof(cad.flags)
2191 - strlen(source_path) - 1},
2192 .data = &cad,
2193 .action = copy_selector_info
2194 };
2195 ret = for_each_matching_row(&pmd);
2196 out:
2197 if (ret < 0)
2198 para_printf(&cad.pb, "%s\n", PARA_STRERROR(-ret));
2199 if (cad.flags & CPSI_FLAG_VERBOSE) {
2200 if (cad.num_copied)
2201 para_printf(&cad.pb, "copied requested afsi from %s "
2202 "to %u files\n",
2203 source_path, cad.num_copied);
2204 else
2205 para_printf(&cad.pb, "nothing copied\n");
2206 }
2207 if (cad.pb.buf) {
2208 result->data = cad.pb.buf;
2209 result->size = cad.pb.size;
2210 return 1;
2211 }
2212 return ret < 0? ret : 0;
2213 }
2214
2215 int com_cpsi(int fd, int argc, char * const * const argv)
2216 {
2217 unsigned flags = 0;
2218 int i, ret;
2219 struct osl_object options = {.data = &flags, .size = sizeof(flags)},
2220 result;
2221
2222 for (i = 1; i < argc; i++) {
2223 const char *arg = argv[i];
2224 if (arg[0] != '-')
2225 break;
2226 if (!strcmp(arg, "--")) {
2227 i++;
2228 break;
2229 }
2230 if (!strcmp(arg, "-y")) {
2231 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2232 continue;
2233 }
2234 if (!strcmp(arg, "-i")) {
2235 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2236 continue;
2237 }
2238 if (!strcmp(arg, "-l")) {
2239 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2240 continue;
2241 }
2242 if (!strcmp(arg, "-n")) {
2243 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2244 continue;
2245 }
2246 if (!strcmp(arg, "-a")) {
2247 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2248 continue;
2249 }
2250 if (!strcmp(arg, "-v")) {
2251 flags |= CPSI_FLAG_VERBOSE;
2252 continue;
2253 }
2254 break;
2255 }
2256 if (i + 1 >= argc) /* need at least souce file and pattern */
2257 return -E_AFT_SYNTAX;
2258 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2259 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2260 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2261 com_cpsi_callback, &result);
2262 if (ret > 0) {
2263 send_buffer(fd, (char *)result.data);
2264 free(result.data);
2265 } else
2266 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2267 return ret;
2268 }
2269
2270 /* TODO: optionally fix problems by removing offending rows */
2271 static int check_audio_file(struct osl_row *row, void *data)
2272 {
2273 char *path;
2274 struct para_buffer *pb = data;
2275 struct stat statbuf;
2276 int ret = get_audio_file_path_of_row(row, &path);
2277 struct afs_info afsi;
2278 char *blob_name;
2279
2280 if (ret < 0) {
2281 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
2282 return 1;
2283 }
2284 if (stat(path, &statbuf) < 0)
2285 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2286 else {
2287 if (!S_ISREG(statbuf.st_mode))
2288 para_printf(pb, "%s: not a regular file\n", path);
2289 }
2290 ret = get_afsi_of_row(row, &afsi);
2291 if (ret < 0) {
2292 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
2293 return 1;
2294 }
2295 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2296 if (ret < 0)
2297 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2298 PARA_STRERROR(-ret));
2299 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2300 if (ret < 0)
2301 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2302 PARA_STRERROR(-ret));
2303 return 1;
2304 }
2305
2306 /**
2307 * Check the audio file table for inconsistencies.
2308 *
2309 * \param query Unused.
2310 * \param result Contains message string upon return.
2311 *
2312 * This function always succeeds.
2313 *
2314 * \sa com_check().
2315 */
2316 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
2317 {
2318 struct para_buffer pb = {.buf = NULL};
2319
2320 para_printf(&pb, "checking audio file table...\n");
2321 audio_file_loop(&pb, check_audio_file);
2322 result->data = pb.buf;
2323 result->size = pb.size;
2324 return 1;
2325
2326 }
2327
2328 /**
2329 * Close the audio file table.
2330 *
2331 * \param flags Usual flags that are passed to osl_close_table().
2332 *
2333 * \sa osl_close_table().
2334 */
2335 static void aft_close(void)
2336 {
2337 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2338 audio_file_table = NULL;
2339 }
2340
2341 /**
2342 * Open the audio file table.
2343 *
2344 * \param dir The database directory.
2345 *
2346 * \return Standard.
2347 *
2348 * \sa osl_open_table().
2349 */
2350 static int aft_open(const char *dir)
2351 {
2352 int ret;
2353
2354 audio_file_table_desc.dir = dir;
2355 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2356 if (ret >= 0) {
2357 unsigned num;
2358 osl_get_num_rows(audio_file_table, &num);
2359 PARA_INFO_LOG("audio file table contains %d files\n", num);
2360 return ret;
2361 }
2362 PARA_INFO_LOG("failed to open audio file table\n");
2363 audio_file_table = NULL;
2364 if (ret >= 0 || is_errno(-ret, ENOENT))
2365 return 1;
2366 return ret;
2367 }
2368
2369 static int aft_create(const char *dir)
2370 {
2371 audio_file_table_desc.dir = dir;
2372 return osl_create_table(&audio_file_table_desc);
2373 }
2374
2375 static int clear_attribute(struct osl_row *row, void *data)
2376 {
2377 struct rmatt_event_data *red = data;
2378 struct afs_info afsi;
2379 struct osl_object obj;
2380 int ret = get_afsi_object_of_row(row, &obj);
2381 uint64_t mask = ~(1ULL << red->bitnum);
2382
2383 if (ret < 0)
2384 return ret;
2385 ret = load_afsi(&afsi, &obj);
2386 if (ret < 0)
2387 return ret;
2388 afsi.attributes &= mask;
2389 save_afsi(&afsi, &obj);
2390 return 1;
2391 }
2392
2393 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2394 void *data)
2395 {
2396 switch(event) {
2397 case ATTRIBUTE_REMOVE: {
2398 const struct rmatt_event_data *red = data;
2399 para_printf(pb, "clearing attribute %s (bit %u) from all "
2400 "entries in the audio file table\n", red->name,
2401 red->bitnum);
2402 return audio_file_loop(data, clear_attribute);
2403 }
2404 default:
2405 return 1;
2406 }
2407 }
2408
2409 void aft_init(struct afs_table *t)
2410 {
2411 t->name = audio_file_table_desc.name;
2412 t->open = aft_open;
2413 t->close = aft_close;
2414 t->create = aft_create;
2415 t->event_handler = aft_event_handler;
2416 }