Get rid of afd->path.
[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->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
355 afhi->header_offset = read_u32(buf + AFHI_HEADER_OFFSET_OFFSET);
356 afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_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 on success, negative on errors.
667 */
668 int open_and_update_audio_file(struct osl_row *aft_row, struct audio_file_data *afd)
669 {
670 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
671 struct osl_object afsi_obj;
672 struct afs_info new_afsi;
673 int ret = get_hash_of_row(aft_row, &aft_hash);
674 struct afsi_change_event_data aced;
675 struct osl_object map, chunk_table_obj;
676 char *path;
677
678 if (ret < 0)
679 return ret;
680 ret = get_audio_file_path_of_row(aft_row, &path);
681 if (ret < 0)
682 return ret;
683 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
684 if (ret < 0)
685 return ret;
686 ret = load_afsi(&afd->afsi, &afsi_obj);
687 if (ret < 0)
688 return ret;
689 ret = get_afhi_of_row(aft_row, &afd->afhi);
690 if (ret < 0)
691 return ret;
692 ret = osl_open_disk_object(audio_file_table, aft_row,
693 AFTCOL_CHUNKS, &chunk_table_obj);
694 if (ret < 0)
695 return ret;
696 ret = mmap_full_file(path, O_RDONLY, &map.data,
697 &map.size, &afd->fd);
698 if (ret < 0)
699 goto err;
700 hash_function(map.data, map.size, file_hash);
701 ret = hash_compare(file_hash, aft_hash);
702 para_munmap(map.data, map.size);
703 if (ret) {
704 ret = -E_HASH_MISMATCH;
705 goto err;
706 }
707 new_afsi = afd->afsi;
708 new_afsi.num_played++;
709 new_afsi.last_played = time(NULL);
710 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
711
712 ret = load_chunk_info(&chunk_table_obj, &afd->afhi);
713 if (ret < 0)
714 goto err;
715 {
716 struct ls_data d = {
717 .afhi = afd->afhi,
718 .afsi = afd->afsi,
719 .path = path,
720 .score = afd->score,
721 .hash = file_hash
722 };
723 struct para_buffer pb = {.buf = NULL};
724 ret = make_status_items(&d, &pb);
725 if (ret < 0)
726 goto err;
727 strncpy(afd->afs_status_info, pb.buf, AFS_STATUS_INFO_SIZE);
728 afd->afs_status_info[AFS_STATUS_INFO_SIZE - 1] = '\0';
729 free(pb.buf);
730 }
731 aced.aft_row = aft_row;
732 aced.old_afsi = &afd->afsi;
733 afs_event(AFSI_CHANGE, NULL, &aced);
734 ret = save_afd(afd);
735 if (ret < 0)
736 goto err;
737 free(afd->afhi.chunk_table);
738 err:
739 osl_close_disk_object(&chunk_table_obj);
740 return ret;
741 }
742
743 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
744 time_t current_time, enum ls_listing_mode lm)
745 {
746 struct tm t;
747
748 if (!localtime_r((time_t *)seconds, &t))
749 return -E_LOCALTIME;
750 if (lm == LS_MODE_MBOX) {
751 if (!strftime(buf, size, "%c", &t))
752 return -E_STRFTIME;
753 return 1;
754 }
755 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
756 if (!strftime(buf, size, "%b %e %k:%M", &t))
757 return -E_STRFTIME;
758 return 1;
759 }
760 if (!strftime(buf, size, "%b %e %Y", &t))
761 return -E_STRFTIME;
762 return 1;
763 }
764
765 /** Compute the number of (decimal) digits of a number. */
766 #define GET_NUM_DIGITS(x, num) { \
767 typeof((x)) _tmp = PARA_ABS(x); \
768 *num = 1; \
769 if ((x)) \
770 while ((_tmp) > 9) { \
771 (_tmp) /= 10; \
772 (*num)++; \
773 } \
774 }
775
776 static short unsigned get_duration_width(int seconds)
777 {
778 short unsigned width;
779 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
780
781 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
782 return 4 + (mins > 9);
783 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
784 GET_NUM_DIGITS(hours, &width);
785 return width + 6;
786 }
787
788 static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
789 {
790 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
791 short unsigned max_width;
792
793 if (!hours) { /* m:ss or mm:ss */
794 max_width = opts->mode == LS_MODE_LONG?
795 opts->widths.duration_width : 4;
796 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
797 } else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
798 max_width = opts->mode == LS_MODE_LONG?
799 opts->widths.duration_width : 7;
800 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
801 seconds % 60);
802 }
803 }
804
805 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
806 {
807 char *att_text, *att_lines;
808
809 get_attribute_text(&afsi->attributes, " ", &att_text);
810 if (!att_text)
811 return para_strdup(att_bitmap);
812 att_lines = make_message("attributes: %s\nattributes_txt: %s",
813 att_bitmap, att_text);
814 free(att_text);
815 return att_lines;
816 }
817
818 static char *make_lyrics_lines(struct afs_info *afsi)
819 {
820 char *lyrics_name;
821
822 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
823 return make_message("lyrics_id: %u\nlyrics_name: %s\n",
824 afsi->lyrics_id, lyrics_name? lyrics_name : "(none)");
825 }
826
827 static char *make_image_lines(struct afs_info *afsi)
828 {
829 char *image_name;
830 img_get_name_by_id(afsi->image_id, &image_name);
831 return make_message("image_id: %u\nimage_name: %s\n",
832 afsi->image_id, image_name? image_name : "(none)");
833 }
834
835 static char *make_filename_lines(const char *path, unsigned flags)
836 {
837 char *basename, *dirname;
838 char *ret;
839
840 if (!(flags & LS_FLAG_FULL_PATH))
841 return make_message("%s: %s\n%s:\n", "basename", path,
842 "dir");
843 basename = para_basename(path),
844 dirname = para_dirname(path);
845 ret = make_message("%s: %s\n%s: %s\n%s: %s\n", "path", path,
846 "dir", dirname, "basename", basename);
847 free(basename);
848 free(dirname);
849 return ret;
850 }
851
852 static int print_list_item(struct ls_data *d, struct ls_options *opts,
853 struct para_buffer *b, time_t current_time)
854 {
855 int ret;
856 char att_buf[65];
857 char last_played_time[30];
858 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
859 char score_buf[30] = "";
860 struct afs_info *afsi = &d->afsi;
861 struct afh_info *afhi = &d->afhi;
862 struct ls_widths *w = &opts->widths;
863 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
864 char asc_hash[2 * HASH_SIZE + 1];
865 char *att_lines, *lyrics_lines, *image_lines, *filename_lines;
866
867 if (opts->mode == LS_MODE_SHORT) {
868 para_printf(b, "%s\n", d->path);
869 return 1;
870 }
871 get_attribute_bitmap(&afsi->attributes, att_buf);
872 ret = get_local_time(&afsi->last_played, last_played_time,
873 sizeof(last_played_time), current_time, opts->mode);
874 if (ret < 0)
875 return ret;
876 get_duration_buf(afhi->seconds_total, duration_buf, opts);
877 if (have_score) {
878 if (opts->mode == LS_MODE_LONG)
879 sprintf(score_buf, "%*li ", w->score_width, d->score);
880 else
881 sprintf(score_buf, "%li ", d->score);
882 }
883
884 if (opts->mode == LS_MODE_LONG) {
885 para_printf(b,
886 "%s" /* score */
887 "%s " /* attributes */
888 "%*d " /* image_id */
889 "%*d " /* lyrics_id */
890 "%*d " /* bitrate */
891 "%s " /* audio format */
892 "%*d " /* frequency */
893 "%d " /* channels */
894 "%s " /* duration */
895 "%*d " /* num_played */
896 "%s " /* last_played */
897 "%s\n", /* path */
898 score_buf,
899 att_buf,
900 w->image_id_width, afsi->image_id,
901 w->lyrics_id_width, afsi->lyrics_id,
902 w->bitrate_width, afhi->bitrate,
903 audio_format_name(afsi->audio_format_id),
904 w->frequency_width, afhi->frequency,
905 afhi->channels,
906 duration_buf,
907 w->num_played_width, afsi->num_played,
908 last_played_time,
909 d->path
910 );
911 return 1;
912 }
913 hash_to_asc(d->hash, asc_hash);
914 att_lines = make_attribute_lines(att_buf, afsi);
915 lyrics_lines = make_lyrics_lines(afsi);
916 image_lines = make_image_lines(afsi);
917 filename_lines = make_filename_lines(d->path, opts->flags);
918 if (opts->mode == LS_MODE_VERBOSE) {
919 para_printf(b,
920 "%s" /* filename stuff */
921 "%s%s%s" /* score */
922 "%s\n" /* attributes */
923 "hash: %s\n"
924 "%s" /* image id, image name */
925 "%s" /* lyrics */
926 "bitrate: %dkbit/s\n"
927 "format: %s\n"
928 "frequency: %dHz\n"
929 "channels: %d\n"
930 "duration: %s\n"
931 "seconds_total: %lu\n"
932 "num_played: %d\n"
933 "last_played: %s\n"
934 "tag info: %s\n",
935 filename_lines,
936 have_score? "score: " : "", score_buf,
937 have_score? "\n" : "",
938 att_lines,
939 asc_hash,
940 image_lines,
941 lyrics_lines,
942 afhi->bitrate,
943 audio_format_name(afsi->audio_format_id),
944 afhi->frequency,
945 afhi->channels,
946 duration_buf,
947 afhi->seconds_total,
948 afsi->num_played,
949 last_played_time,
950 afhi->info_string
951 );
952 } else { /* mbox mode */
953 struct osl_object lyrics_def;
954 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
955 para_printf(b,
956 "From foo@localhost %s\n"
957 "Received: from\nTo: bar\nFrom: a\n"
958 "Subject: %s\n\n" /* path */
959 "%s%s%s" /* score */
960 "%s\n" /* attributes */
961 "hash: %s\n"
962 "%s\n" /* image id, image name */
963 "lyrics_id: %s\n"
964 "bitrate: %dkbit/s\n"
965 "format: %s\n"
966 "frequency: %dHz\n"
967 "channels: %d\n"
968 "duration: %s\n"
969 "num_played: %d\n"
970 "tag info: %s\n"
971 "%s%s\n",
972 last_played_time,
973 d->path,
974 have_score? "score: " : "", score_buf,
975 have_score? "\n" : "",
976 att_lines,
977 asc_hash,
978 image_lines,
979 lyrics_lines,
980 afhi->bitrate,
981 audio_format_name(afsi->audio_format_id),
982 afhi->frequency,
983 afhi->channels,
984 duration_buf,
985 afsi->num_played,
986 afhi->info_string,
987 lyrics_def.data? "Lyrics:\n~~~~~~~\n" : "",
988 lyrics_def.data? (char *)lyrics_def.data : ""
989 );
990 if (lyrics_def.data)
991 osl_close_disk_object(lyrics_def.data);
992 }
993 free(att_lines);
994 free(lyrics_lines);
995 free(image_lines);
996 free(filename_lines);
997 return 1;
998 }
999
1000 int make_status_items(struct ls_data *d, struct para_buffer *pb)
1001 {
1002 struct ls_options opts = {
1003 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
1004 .mode = LS_MODE_VERBOSE,
1005 };
1006 time_t current_time;
1007
1008 time(&current_time);
1009 return print_list_item(d, &opts, pb, current_time);
1010 }
1011
1012
1013 static int ls_audio_format_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->afsi.audio_format_id, d2->afsi.audio_format_id);
1017 }
1018
1019 static int ls_duration_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->afhi.seconds_total, d2->afhi.seconds_total);
1023 }
1024
1025 static int ls_bitrate_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->afhi.bitrate, d2->afhi.bitrate);
1029 }
1030
1031 static int ls_lyrics_id_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->afsi.lyrics_id, d2->afsi.lyrics_id);
1035 }
1036
1037 static int ls_image_id_compare(const void *a, const void *b)
1038 {
1039 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1040 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1041 }
1042
1043 static int ls_channels_compare(const void *a, const void *b)
1044 {
1045 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1046 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1047 }
1048
1049 static int ls_frequency_compare(const void *a, const void *b)
1050 {
1051 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1052 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1053 }
1054
1055 static int ls_num_played_compare(const void *a, const void *b)
1056 {
1057 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1058 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1059 }
1060
1061 static int ls_last_played_compare(const void *a, const void *b)
1062 {
1063 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1064 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1065 }
1066
1067 static int ls_score_compare(const void *a, const void *b)
1068 {
1069 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1070 return NUM_COMPARE(d1->score, d2->score);
1071 }
1072
1073 static int ls_path_compare(const void *a, const void *b)
1074 {
1075 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1076 return strcmp(d1->path, d2->path);
1077 }
1078
1079 static int sort_matching_paths(struct ls_options *options)
1080 {
1081 size_t nmemb = options->num_matching_paths;
1082 size_t size = sizeof(*options->data_ptr);
1083 int (*compar)(const void *, const void *);
1084 int i;
1085
1086 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1087 for (i = 0; i < nmemb; i++)
1088 options->data_ptr[i] = options->data + i;
1089
1090 /* In these cases the array is already sorted */
1091 if (options->sorting == LS_SORT_BY_PATH
1092 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1093 && (options->flags & LS_FLAG_FULL_PATH))
1094 return 1;
1095 if (options->sorting == LS_SORT_BY_SCORE &&
1096 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1097 return 1;
1098
1099 switch (options->sorting) {
1100 case LS_SORT_BY_PATH:
1101 compar = ls_path_compare; break;
1102 case LS_SORT_BY_SCORE:
1103 compar = ls_score_compare; break;
1104 case LS_SORT_BY_LAST_PLAYED:
1105 compar = ls_last_played_compare; break;
1106 case LS_SORT_BY_NUM_PLAYED:
1107 compar = ls_num_played_compare; break;
1108 case LS_SORT_BY_FREQUENCY:
1109 compar = ls_frequency_compare; break;
1110 case LS_SORT_BY_CHANNELS:
1111 compar = ls_channels_compare; break;
1112 case LS_SORT_BY_IMAGE_ID:
1113 compar = ls_image_id_compare; break;
1114 case LS_SORT_BY_LYRICS_ID:
1115 compar = ls_lyrics_id_compare; break;
1116 case LS_SORT_BY_BITRATE:
1117 compar = ls_bitrate_compare; break;
1118 case LS_SORT_BY_DURATION:
1119 compar = ls_duration_compare; break;
1120 case LS_SORT_BY_AUDIO_FORMAT:
1121 compar = ls_audio_format_compare; break;
1122 default:
1123 return -E_BAD_SORT;
1124 }
1125 qsort(options->data_ptr, nmemb, size, compar);
1126 return 1;
1127 }
1128
1129 /* row is either an aft_row or a row of the score table */
1130 /* TODO: Only compute widths if we need them */
1131 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1132 {
1133 int ret, i;
1134 struct ls_options *options = ls_opts;
1135 struct ls_data *d;
1136 struct ls_widths *w;
1137 unsigned short num_digits;
1138 unsigned tmp;
1139 struct osl_row *aft_row;
1140 long score;
1141 char *path;
1142
1143 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1144 ret = get_score_and_aft_row(row, &score, &aft_row);
1145 if (ret < 0)
1146 return ret;
1147 } else
1148 aft_row = row;
1149 ret = get_audio_file_path_of_row(aft_row, &path);
1150 if (ret < 0)
1151 return ret;
1152 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1153 char *p = strrchr(path, '/');
1154 if (p)
1155 path = p + 1;
1156 }
1157 if (options->num_patterns) {
1158 for (i = 0; i < options->num_patterns; i++) {
1159 ret = fnmatch(options->patterns[i], path, 0);
1160 if (!ret)
1161 break;
1162 if (ret == FNM_NOMATCH)
1163 continue;
1164 return -E_FNMATCH;
1165 }
1166 if (i >= options->num_patterns) /* no match */
1167 return 1;
1168 }
1169 tmp = options->num_matching_paths++;
1170 if (options->num_matching_paths > options->array_size) {
1171 options->array_size++;
1172 options->array_size *= 2;
1173 options->data = para_realloc(options->data, options->array_size
1174 * sizeof(*options->data));
1175 }
1176 d = options->data + tmp;
1177 ret = get_afsi_of_row(aft_row, &d->afsi);
1178 if (ret < 0)
1179 return ret;
1180 ret = get_afhi_of_row(aft_row, &d->afhi);
1181 if (ret < 0)
1182 return ret;
1183 d->path = path;
1184 ret = get_hash_of_row(aft_row, &d->hash);
1185 if (ret < 0)
1186 return ret;
1187 w = &options->widths;
1188 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1189 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1190 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1191 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1192 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1193 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1194 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1195 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1196 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1197 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1198 /* get the number of chars to print this amount of time */
1199 tmp = get_duration_width(d->afhi.seconds_total);
1200 w->duration_width = PARA_MAX(w->duration_width, tmp);
1201 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1202 GET_NUM_DIGITS(score, &num_digits);
1203 num_digits++; /* add one for the sign (space or "-") */
1204 w->score_width = PARA_MAX(w->score_width, num_digits);
1205 d->score = score;
1206 }
1207 return 1;
1208 }
1209
1210 static int com_ls_callback(const struct osl_object *query,
1211 struct osl_object *ls_output)
1212 {
1213 struct ls_options *opts = query->data;
1214 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1215 struct para_buffer b = {.buf = NULL, .size = 0};
1216 int i = 0, ret;
1217 time_t current_time;
1218
1219
1220 if (opts->num_patterns) {
1221 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1222 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1223 opts->patterns[i] = p;
1224 p += strlen(p) + 1;
1225 }
1226 } else
1227 opts->patterns = NULL;
1228 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1229 ret = admissible_file_loop(opts, prepare_ls_row);
1230 else
1231 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1232 prepare_ls_row);
1233 if (ret < 0)
1234 goto out;
1235 ret = opts->num_patterns? -E_NO_MATCH : 0;
1236 if (!opts->num_matching_paths)
1237 goto out;
1238 ret = sort_matching_paths(opts);
1239 if (ret < 0)
1240 goto out;
1241 time(&current_time);
1242 if (opts->flags & LS_FLAG_REVERSE)
1243 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1244 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1245 if (ret < 0)
1246 break;
1247 }
1248 else
1249 for (i = 0; i < opts->num_matching_paths; i++) {
1250 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1251 if (ret < 0)
1252 break;
1253 }
1254 ret = 1;
1255 out:
1256 ls_output->data = b.buf;
1257 ls_output->size = b.size;
1258 free(opts->data);
1259 free(opts->data_ptr);
1260 free(opts->patterns);
1261 return ret;
1262 }
1263
1264 /*
1265 * TODO: flags -h (sort by hash)
1266 */
1267 int com_ls(int fd, int argc, char * const * const argv)
1268 {
1269 int i, ret;
1270 unsigned flags = 0;
1271 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1272 enum ls_listing_mode mode = LS_MODE_SHORT;
1273 struct ls_options opts = {.patterns = NULL};
1274 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1275 ls_output;
1276
1277 for (i = 1; i < argc; i++) {
1278 const char *arg = argv[i];
1279 if (arg[0] != '-')
1280 break;
1281 if (!strcmp(arg, "--")) {
1282 i++;
1283 break;
1284 }
1285 if (!strncmp(arg, "-l", 2)) {
1286 if (!*(arg + 2)) {
1287 mode = LS_MODE_LONG;
1288 continue;
1289 }
1290 if (*(arg + 3))
1291 return -E_AFT_SYNTAX;
1292 switch(*(arg + 2)) {
1293 case 's':
1294 mode = LS_MODE_SHORT;
1295 continue;
1296 case 'l':
1297 mode = LS_MODE_LONG;
1298 continue;
1299 case 'v':
1300 mode = LS_MODE_VERBOSE;
1301 continue;
1302 case 'm':
1303 mode = LS_MODE_MBOX;
1304 continue;
1305 default:
1306 return -E_AFT_SYNTAX;
1307 }
1308 }
1309 if (!strcmp(arg, "-p")) {
1310 flags |= LS_FLAG_FULL_PATH;
1311 continue;
1312 }
1313 if (!strcmp(arg, "-a")) {
1314 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1315 continue;
1316 }
1317 if (!strcmp(arg, "-r")) {
1318 flags |= LS_FLAG_REVERSE;
1319 continue;
1320 }
1321 if (!strncmp(arg, "-s", 2)) {
1322 if (!*(arg + 2) || *(arg + 3))
1323 return -E_AFT_SYNTAX;
1324 switch(*(arg + 2)) {
1325 case 'p':
1326 sort = LS_SORT_BY_PATH;
1327 continue;
1328 case 's': /* -ss implies -a */
1329 sort = LS_SORT_BY_SCORE;
1330 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1331 continue;
1332 case 'l':
1333 sort = LS_SORT_BY_LAST_PLAYED;
1334 continue;
1335 case 'n':
1336 sort = LS_SORT_BY_NUM_PLAYED;
1337 continue;
1338 case 'f':
1339 sort = LS_SORT_BY_FREQUENCY;
1340 continue;
1341 case 'c':
1342 sort = LS_SORT_BY_CHANNELS;
1343 continue;
1344 case 'i':
1345 sort = LS_SORT_BY_IMAGE_ID;
1346 continue;
1347 case 'y':
1348 sort = LS_SORT_BY_LYRICS_ID;
1349 continue;
1350 case 'b':
1351 sort = LS_SORT_BY_BITRATE;
1352 continue;
1353 case 'd':
1354 sort = LS_SORT_BY_DURATION;
1355 continue;
1356 case 'a':
1357 sort = LS_SORT_BY_AUDIO_FORMAT;
1358 continue;
1359 default:
1360 return -E_AFT_SYNTAX;
1361 }
1362 }
1363 return -E_AFT_SYNTAX;
1364 }
1365 opts.flags = flags;
1366 opts.sorting = sort;
1367 opts.mode = mode;
1368 opts.num_patterns = argc - i;
1369 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1370 argv + i, com_ls_callback, &ls_output);
1371 if (ret > 0) {
1372 ret = send_buffer(fd, (char *)ls_output.data);
1373 free(ls_output.data);
1374 }
1375 return ret;
1376 }
1377
1378 /**
1379 * Call the given function for each file in the audio file table.
1380 *
1381 * \param private_data An arbitrary data pointer, passed to \a func.
1382 * \param func The custom function to be called.
1383 *
1384 * \return The return value of the underlying call to osl_rbtree_loop().
1385 */
1386 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1387 {
1388 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1389 func);
1390 }
1391
1392 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1393 {
1394 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1395 struct osl_row *row;
1396
1397 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1398 return row;
1399 }
1400
1401 enum aft_row_offsets {
1402 AFTROW_AFHI_OFFSET_POS = 0,
1403 AFTROW_CHUNKS_OFFSET_POS = 2,
1404 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1405 AFTROW_FLAGS_OFFSET = 5,
1406 AFTROW_HASH_OFFSET = 9,
1407 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1408 };
1409
1410 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1411 * In this case, afhi won't be stored in the buffer */
1412 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1413 struct afh_info *afhi, uint32_t flags,
1414 uint8_t audio_format_num, struct osl_object *obj)
1415 {
1416 size_t path_len = strlen(path) + 1;
1417 size_t afhi_size = sizeof_afhi_buf(afhi);
1418 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1419 + sizeof_chunk_info_buf(afhi);
1420 char *buf = para_malloc(size);
1421 uint16_t pos;
1422
1423 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1424 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1425
1426 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1427 strcpy(buf + AFTROW_PATH_OFFSET, path);
1428
1429 pos = AFTROW_PATH_OFFSET + path_len;
1430 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1431 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1432 pos + afhi_size - 1);
1433 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1434 save_afhi(afhi, buf + pos);
1435
1436 pos += afhi_size;
1437 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1438 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1439 save_chunk_info(afhi, buf + pos);
1440 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1441 obj->data = buf;
1442 obj->size = size;
1443 }
1444
1445 /*
1446 input:
1447 ~~~~~~
1448 HS: hash sister
1449 PB: path brother
1450 F: force flag given
1451
1452 output:
1453 ~~~~~~~
1454 AFHI: whether afhi and chunk table are computed and sent
1455 ACTION: table modifications to be performed
1456
1457 +---+----+-----+------+---------------------------------------------------+
1458 | HS | PB | F | AFHI | ACTION
1459 +---+----+-----+------+---------------------------------------------------+
1460 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1461 | | update path, keep afsi
1462 +---+----+-----+------+---------------------------------------------------+
1463 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1464 | | otherwise: remove PB, HS: update path, keep afhi,
1465 | | afsi.
1466 +---+----+-----+------+---------------------------------------------------+
1467 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1468 | | HS, keep afsi
1469 +---+----+-----+------+---------------------------------------------------+
1470 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1471 +---+----+-----+------+---------------------------------------------------+
1472 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1473 | | (force has no effect)
1474 +---+----+-----+------+---------------------------------------------------+
1475 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1476 +---+----+-----+------+---------------------------------------------------+
1477 | N | N | Y | Y | (new file) create new entry (force has no effect)
1478 +---+----+-----+------+---------------------------------------------------+
1479 | N | N | N | Y | (new file) create new entry
1480 +---+----+-----+------+---------------------------------------------------+
1481
1482 afhi <=> force or no HS
1483
1484 */
1485
1486 /** Flags passed to the add command. */
1487 enum com_add_flags {
1488 /** Skip paths that exist already. */
1489 ADD_FLAG_LAZY = 1,
1490 /** Force adding. */
1491 ADD_FLAG_FORCE = 2,
1492 /** Print what is being done. */
1493 ADD_FLAG_VERBOSE = 4,
1494 /** Try to add files with unknown suffixes. */
1495 ADD_FLAG_ALL = 8,
1496 };
1497
1498 static int com_add_callback(const struct osl_object *query,
1499 struct osl_object *result)
1500 {
1501 char *buf = query->data, *path;
1502 struct osl_row *pb, *aft_row;
1503 struct osl_row *hs;
1504 struct osl_object objs[NUM_AFT_COLUMNS];
1505 HASH_TYPE *hash;
1506 char asc[2 * HASH_SIZE + 1];
1507 int ret;
1508 char afsi_buf[AFSI_SIZE];
1509 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1510 struct afs_info default_afsi = {.last_played = 0};
1511 struct para_buffer msg = {.buf = NULL};
1512
1513 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1514 hash_to_asc(hash, asc);;
1515 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1516 objs[AFTCOL_HASH].size = HASH_SIZE;
1517
1518 path = buf + AFTROW_PATH_OFFSET;
1519 objs[AFTCOL_PATH].data = path;
1520 objs[AFTCOL_PATH].size = strlen(path) + 1;
1521
1522 PARA_INFO_LOG("request to add %s\n", path);
1523 hs = find_hash_sister(hash);
1524 ret = aft_get_row_of_path(path, &pb);
1525 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1526 return ret;
1527 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1528 if (flags & ADD_FLAG_VERBOSE)
1529 para_printf(&msg, "ignoring duplicate\n");
1530 ret = 1;
1531 goto out;
1532 }
1533 if (hs && hs != pb) {
1534 struct osl_object obj;
1535 if (pb) { /* hs trumps pb, remove pb */
1536 if (flags & ADD_FLAG_VERBOSE)
1537 para_printf(&msg, "removing path brother\n");
1538 ret = osl_del_row(audio_file_table, pb);
1539 if (ret < 0)
1540 goto out;
1541 pb = NULL;
1542 }
1543 /* file rename, update hs' path */
1544 if (flags & ADD_FLAG_VERBOSE) {
1545 ret = osl_get_object(audio_file_table, hs,
1546 AFTCOL_PATH, &obj);
1547 if (ret < 0)
1548 goto out;
1549 para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1550 }
1551 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1552 &objs[AFTCOL_PATH]);
1553 if (ret < 0)
1554 goto out;
1555 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1556 if (!(flags & ADD_FLAG_FORCE))
1557 goto out;
1558 }
1559 /* no hs or force mode, child must have sent afhi */
1560 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1561 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1562
1563 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1564 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1565 ret = -E_NO_AFHI;
1566 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1567 goto out;
1568 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1569 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1570 if (pb && !hs) { /* update pb's hash */
1571 char old_asc[2 * HASH_SIZE + 1];
1572 HASH_TYPE *old_hash;
1573 ret = get_hash_of_row(pb, &old_hash);
1574 if (ret < 0)
1575 goto out;
1576 hash_to_asc(old_hash, old_asc);
1577 if (flags & ADD_FLAG_VERBOSE)
1578 para_printf(&msg, "file change: %s -> %s\n",
1579 old_asc, asc);
1580 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1581 &objs[AFTCOL_HASH]);
1582 if (ret < 0)
1583 goto out;
1584 }
1585 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1586 struct osl_row *row = pb? pb : hs;
1587 /* update afhi and chunk_table */
1588 if (flags & ADD_FLAG_VERBOSE)
1589 para_printf(&msg, "updating afhi and chunk table\n");
1590 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1591 &objs[AFTCOL_AFHI]);
1592 if (ret < 0)
1593 goto out;
1594 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1595 &objs[AFTCOL_CHUNKS]);
1596 if (ret < 0)
1597 goto out;
1598 afs_event(AFHI_CHANGE, &msg, row);
1599 goto out;
1600 }
1601 /* new entry, use default afsi */
1602 if (flags & ADD_FLAG_VERBOSE)
1603 para_printf(&msg, "new file\n");
1604 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1605 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1606
1607 objs[AFTCOL_AFSI].data = &afsi_buf;
1608 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1609 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1610 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1611 out:
1612 if (ret < 0)
1613 para_printf(&msg, "%s\n", PARA_STRERROR(-ret));
1614 if (!msg.buf)
1615 return 0;
1616 result->data = msg.buf;
1617 result->size = msg.size;
1618 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1619 return 1;
1620 }
1621
1622 /** Used by com_add(). */
1623 struct private_add_data {
1624 /** The socket file descriptor. */
1625 int fd;
1626 /** The given add flags. */
1627 uint32_t flags;
1628 };
1629
1630 static int path_brother_callback(const struct osl_object *query,
1631 struct osl_object *result)
1632 {
1633 char *path = query->data;
1634 struct osl_row *path_brother;
1635 int ret = aft_get_row_of_path(path, &path_brother);
1636 if (ret < 0)
1637 return ret;
1638 result->data = para_malloc(sizeof(path_brother));
1639 result->size = sizeof(path_brother);
1640 *(struct osl_row **)(result->data) = path_brother;
1641 return 1;
1642 }
1643
1644 static int hash_sister_callback(const struct osl_object *query,
1645 struct osl_object *result)
1646 {
1647 HASH_TYPE *hash = query->data;
1648 struct osl_row *hash_sister;
1649
1650 hash_sister = find_hash_sister(hash);
1651 if (!hash_sister)
1652 return -E_RB_KEY_NOT_FOUND;
1653 result->data = para_malloc(sizeof(hash_sister));
1654 result->size = sizeof(hash_sister);
1655 *(struct osl_row **)(result->data) = hash_sister;
1656 return 1;
1657 }
1658
1659 static int add_one_audio_file(const char *path, const void *private_data)
1660 {
1661 int ret, ret2;
1662 uint8_t format_num = -1;
1663 const struct private_add_data *pad = private_data;
1664 struct afh_info afhi, *afhi_ptr = NULL;
1665 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1666 struct osl_object map, obj = {.data = NULL}, query, result = {.data = NULL};
1667 HASH_TYPE hash[HASH_SIZE];
1668
1669 afhi.header_offset = 0;
1670 afhi.header_len = 0;
1671 ret = guess_audio_format(path);
1672 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1673 goto out_free;
1674 query.data = (char *)path;
1675 query.size = strlen(path) + 1;
1676 ret = send_callback_request(path_brother_callback, &query, &result);
1677 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1678 goto out_free;
1679 if (ret >= 0) {
1680 pb = *(struct osl_row **)result.data;
1681 free(result.data);
1682 }
1683 ret = 1;
1684 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1685 if (pad->flags & ADD_FLAG_VERBOSE)
1686 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1687 goto out_free;
1688 }
1689 /* We still want to add this file. Compute its hash. */
1690 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, NULL);
1691 if (ret < 0)
1692 goto out_free;
1693 hash_function(map.data, map.size, hash);
1694
1695 /* Check whether database contains file with the same hash. */
1696 query.data = hash;
1697 query.size = HASH_SIZE;
1698 ret = send_callback_request(hash_sister_callback, &query, &result);
1699 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1700 goto out_free;
1701 if (ret >= 0) {
1702 hs = *(struct osl_row **)result.data;
1703 free(result.data);
1704 }
1705 /* Return success if we already know this file. */
1706 ret = 1;
1707 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1708 if (pad->flags & ADD_FLAG_VERBOSE)
1709 ret = send_va_buffer(pad->fd,
1710 "%s exists, not forcing update\n", path);
1711 goto out_unmap;
1712 }
1713 /*
1714 * we won't recalculate the audio format info and the chunk table if
1715 * there is a hash sister unless in FORCE mode.
1716 */
1717 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1718 ret = compute_afhi(path, map.data, map.size, &afhi);
1719 if (ret < 0)
1720 goto out_unmap;
1721 format_num = ret;
1722 afhi_ptr = &afhi;
1723 }
1724 if (pad->flags & ADD_FLAG_VERBOSE) {
1725 ret = send_va_buffer(pad->fd, "adding %s\n", path);
1726 if (ret < 0)
1727 goto out_unmap;
1728 }
1729 munmap(map.data, map.size);
1730 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1731 /* Ask afs to consider this entry for adding. */
1732 ret = send_callback_request(com_add_callback, &obj, &result);
1733 if (ret > 0) {
1734 ret2 = send_va_buffer(pad->fd, "%s", (char *)result.data);
1735 free(result.data);
1736 if (ret >= 0 && ret2 < 0)
1737 ret = ret2;
1738 }
1739 goto out_free;
1740
1741 out_unmap:
1742 munmap(map.data, map.size);
1743 out_free:
1744 if (ret < 0 && ret != -E_SEND)
1745 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1746 PARA_STRERROR(-ret));
1747 free(obj.data);
1748 if (afhi_ptr)
1749 free(afhi_ptr->chunk_table);
1750 /* it's not an error if not all files could be added */
1751 return ret == -E_SEND? ret : 1;
1752 }
1753
1754 int com_add(int fd, int argc, char * const * const argv)
1755 {
1756 int i, ret;
1757 struct private_add_data pad = {.fd = fd, .flags = 0};
1758 struct stat statbuf;
1759
1760 for (i = 1; i < argc; i++) {
1761 const char *arg = argv[i];
1762 if (arg[0] != '-')
1763 break;
1764 if (!strcmp(arg, "--")) {
1765 i++;
1766 break;
1767 }
1768 if (!strcmp(arg, "-a")) {
1769 pad.flags |= ADD_FLAG_ALL;
1770 continue;
1771 }
1772 if (!strcmp(arg, "-l")) {
1773 pad.flags |= ADD_FLAG_LAZY;
1774 continue;
1775 }
1776 if (!strcmp(arg, "-f")) {
1777 pad.flags |= ADD_FLAG_FORCE;
1778 continue;
1779 }
1780 if (!strcmp(arg, "-v")) {
1781 pad.flags |= ADD_FLAG_VERBOSE;
1782 continue;
1783 }
1784 }
1785 if (argc <= i)
1786 return -E_AFT_SYNTAX;
1787 for (; i < argc; i++) {
1788 char *path;
1789 ret = verify_path(argv[i], &path);
1790 if (ret < 0) {
1791 ret = send_va_buffer(fd, "%s: %s\n", argv[i], PARA_STRERROR(-ret));
1792 if (ret < 0)
1793 return ret;
1794 continue;
1795 }
1796 ret = stat(path, &statbuf);
1797 if (ret < 0) {
1798 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1799 strerror(errno));
1800 free(path);
1801 if (ret < 0)
1802 return ret;
1803 continue;
1804 }
1805 if (S_ISDIR(statbuf.st_mode))
1806 ret = for_each_file_in_dir(path, add_one_audio_file,
1807 &pad);
1808 else
1809 ret = add_one_audio_file(path, &pad);
1810 if (ret < 0) {
1811 send_va_buffer(fd, "%s: %s\n", path, PARA_STRERROR(-ret));
1812 free(path);
1813 return ret;
1814 }
1815 free(path);
1816 }
1817 return 1;
1818
1819 }
1820
1821 /**
1822 * Flags used by the touch command.
1823 *
1824 * \sa com_touch().
1825 */
1826 enum touch_flags {
1827 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1828 TOUCH_FLAG_FNM_PATHNAME = 1,
1829 /** Activates verbose mode. */
1830 TOUCH_FLAG_VERBOSE = 2
1831 };
1832
1833 /** Options used by com_touch(). */
1834 struct com_touch_options {
1835 /** New num_played value. */
1836 int32_t num_played;
1837 /** New last played count. */
1838 int64_t last_played;
1839 /** new lyrics id. */
1840 int32_t lyrics_id;
1841 /** new image id. */
1842 int32_t image_id;
1843 /** command line flags (see \ref touch_flags). */
1844 unsigned flags;
1845 };
1846
1847 /** Data passed to the action handler of com_touch(). */
1848 struct touch_action_data {
1849 /** Command line options (see \ref com_touch_options). */
1850 struct com_touch_options *cto;
1851 /** Message buffer. */
1852 struct para_buffer pb;
1853 };
1854
1855 static int touch_audio_file(__a_unused struct osl_table *table,
1856 struct osl_row *row, const char *name, void *data)
1857 {
1858 struct touch_action_data *tad = data;
1859 struct osl_object obj;
1860 struct afs_info old_afsi, new_afsi;
1861 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1862 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1863 struct afsi_change_event_data aced;
1864
1865 ret = get_afsi_object_of_row(row, &obj);
1866 if (ret < 0) {
1867 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1868 return 1;
1869 }
1870 ret = load_afsi(&old_afsi, &obj);
1871 if (ret < 0) {
1872 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1873 return 1;
1874 }
1875 new_afsi = old_afsi;
1876 if (no_options) {
1877 new_afsi.num_played++;
1878 new_afsi.last_played = time(NULL);
1879 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1880 para_printf(&tad->pb, "%s: num_played = %u, "
1881 "last_played = now()\n", name,
1882 new_afsi.num_played);
1883 } else {
1884 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1885 para_printf(&tad->pb, "touching %s\n", name);
1886 if (tad->cto->lyrics_id >= 0)
1887 new_afsi.lyrics_id = tad->cto->lyrics_id;
1888 if (tad->cto->image_id >= 0)
1889 new_afsi.image_id = tad->cto->image_id;
1890 if (tad->cto->num_played >= 0)
1891 new_afsi.num_played = tad->cto->num_played;
1892 if (tad->cto->last_played >= 0)
1893 new_afsi.last_played = tad->cto->last_played;
1894 }
1895 save_afsi(&new_afsi, &obj); /* in-place update */
1896 aced.aft_row = row;
1897 aced.old_afsi = &old_afsi;
1898 afs_event(AFSI_CHANGE, &tad->pb, &aced);
1899 return 1;
1900 }
1901
1902 static int com_touch_callback(const struct osl_object *query,
1903 struct osl_object *result)
1904 {
1905 struct touch_action_data tad = {.cto = query->data};
1906 int ret;
1907 struct pattern_match_data pmd = {
1908 .table = audio_file_table,
1909 .loop_col_num = AFTCOL_HASH,
1910 .match_col_num = AFTCOL_PATH,
1911 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1912 .size = query->size - sizeof(*tad.cto)},
1913 .data = &tad,
1914 .action = touch_audio_file
1915 };
1916 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1917 pmd.fnmatch_flags |= FNM_PATHNAME;
1918 ret = for_each_matching_row(&pmd);
1919 if (ret < 0)
1920 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1921 if (tad.pb.buf) {
1922 result->data = tad.pb.buf;
1923 result->size = tad.pb.size;
1924 return 1;
1925 }
1926 return ret < 0? ret : 0;
1927 }
1928
1929 int com_touch(int fd, int argc, char * const * const argv)
1930 {
1931 struct com_touch_options cto = {
1932 .num_played = -1,
1933 .last_played = -1,
1934 .lyrics_id = -1,
1935 .image_id = -1
1936 };
1937 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1938 result;
1939 int i, ret;
1940
1941
1942 for (i = 1; i < argc; i++) {
1943 const char *arg = argv[i];
1944 if (arg[0] != '-')
1945 break;
1946 if (!strcmp(arg, "--")) {
1947 i++;
1948 break;
1949 }
1950 if (!strncmp(arg, "-n", 2)) {
1951 ret = para_atoi32(arg + 2, &cto.num_played);
1952 if (ret < 0)
1953 return ret;
1954 continue;
1955 }
1956 if (!strncmp(arg, "-l", 2)) {
1957 ret = para_atoi64(arg + 2, &cto.last_played);
1958 if (ret < 0)
1959 return ret;
1960 continue;
1961 }
1962 if (!strncmp(arg, "-y", 2)) {
1963 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1964 if (ret < 0)
1965 return ret;
1966 continue;
1967 }
1968 if (!strncmp(arg, "-i", 2)) {
1969 ret = para_atoi32(arg + 2, &cto.image_id);
1970 if (ret < 0)
1971 return ret;
1972 continue;
1973 }
1974 if (!strcmp(arg, "-p")) {
1975 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1976 continue;
1977 }
1978 if (!strcmp(arg, "-v")) {
1979 cto.flags |= TOUCH_FLAG_VERBOSE;
1980 continue;
1981 }
1982 break; /* non-option starting with dash */
1983 }
1984 if (i >= argc)
1985 return -E_AFT_SYNTAX;
1986 ret = send_option_arg_callback_request(&query, argc - i,
1987 argv + i, com_touch_callback, &result);
1988 if (ret > 0) {
1989 send_buffer(fd, (char *)result.data);
1990 free(result.data);
1991 } else if (ret < 0)
1992 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1993 return ret;
1994 }
1995
1996 /** Flags for com_rm(). */
1997 enum rm_flags {
1998 /** -v */
1999 RM_FLAG_VERBOSE = 1,
2000 /** -f */
2001 RM_FLAG_FORCE = 2,
2002 /** -p */
2003 RM_FLAG_FNM_PATHNAME = 4
2004 };
2005
2006 /** Data passed to the action handler of com_rm(). */
2007 struct com_rm_action_data {
2008 /** Command line flags ((see \ref rm_flags). */
2009 uint32_t flags;
2010 /** Message buffer. */
2011 struct para_buffer pb;
2012 /** Number of audio files removed. */
2013 unsigned num_removed;
2014 };
2015
2016 static int remove_audio_file(__a_unused struct osl_table *table,
2017 struct osl_row *row, const char *name, void *data)
2018 {
2019 struct com_rm_action_data *crd = data;
2020 int ret;
2021
2022 if (crd->flags & RM_FLAG_VERBOSE)
2023 para_printf(&crd->pb, "removing %s\n", name);
2024 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2025 ret = osl_del_row(audio_file_table, row);
2026 if (ret < 0)
2027 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
2028 else
2029 crd->num_removed++;
2030 return 1;
2031 }
2032
2033 static int com_rm_callback(const struct osl_object *query,
2034 __a_unused struct osl_object *result)
2035 {
2036 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data};
2037 int ret;
2038 struct pattern_match_data pmd = {
2039 .table = audio_file_table,
2040 .loop_col_num = AFTCOL_HASH,
2041 .match_col_num = AFTCOL_PATH,
2042 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2043 .size = query->size - sizeof(uint32_t)},
2044 .data = &crd,
2045 .action = remove_audio_file
2046 };
2047 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2048 pmd.fnmatch_flags |= FNM_PATHNAME;
2049 ret = for_each_matching_row(&pmd);
2050 if (ret < 0)
2051 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
2052 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2053 para_printf(&crd.pb, "no matches -- nothing removed\n");
2054 else {
2055 if (crd.flags & RM_FLAG_VERBOSE)
2056 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2057 }
2058 if (crd.pb.buf) {
2059 result->data = crd.pb.buf;
2060 result->size = crd.pb.size;
2061 return 1;
2062 }
2063 return ret < 0? ret : 0;
2064 }
2065
2066 /* TODO options: -r (recursive) */
2067 int com_rm(int fd, int argc, char * const * const argv)
2068 {
2069 uint32_t flags = 0;
2070 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
2071 result;
2072 int i, ret;
2073
2074 for (i = 1; i < argc; i++) {
2075 const char *arg = argv[i];
2076 if (arg[0] != '-')
2077 break;
2078 if (!strcmp(arg, "--")) {
2079 i++;
2080 break;
2081 }
2082 if (!strcmp(arg, "-f")) {
2083 flags |= RM_FLAG_FORCE;
2084 continue;
2085 }
2086 if (!strcmp(arg, "-p")) {
2087 flags |= RM_FLAG_FNM_PATHNAME;
2088 continue;
2089 }
2090 if (!strcmp(arg, "-v")) {
2091 flags |= RM_FLAG_VERBOSE;
2092 continue;
2093 }
2094 break;
2095 }
2096 if (i >= argc)
2097 return -E_AFT_SYNTAX;
2098 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2099 com_rm_callback, &result);
2100 if (ret > 0) {
2101 send_buffer(fd, (char *)result.data);
2102 free(result.data);
2103 } else if (ret < 0)
2104 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2105 return ret;
2106 }
2107
2108 /**
2109 * Flags used by the cpsi command.
2110 *
2111 * \sa com_cpsi().
2112 */
2113 enum cpsi_flags {
2114 /** Whether the lyrics id should be copied. */
2115 CPSI_FLAG_COPY_LYRICS_ID = 1,
2116 /** Whether the image id should be copied. */
2117 CPSI_FLAG_COPY_IMAGE_ID = 2,
2118 /** Whether the lastplayed time should be copied. */
2119 CPSI_FLAG_COPY_LASTPLAYED = 4,
2120 /** Whether the numplayed count should be copied. */
2121 CPSI_FLAG_COPY_NUMPLAYED = 8,
2122 /** Whether the attributes should be copied. */
2123 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2124 /** Activates verbose mode. */
2125 CPSI_FLAG_VERBOSE = 32,
2126 };
2127
2128 /** Data passed to the action handler of com_cpsi(). */
2129 struct cpsi_action_data {
2130 /** command line flags (see \ref cpsi_flags). */
2131 unsigned flags;
2132 /** Number of audio files changed. */
2133 unsigned num_copied;
2134 /** Message buffer. */
2135 struct para_buffer pb;
2136 /** Values are copied from here. */
2137 struct afs_info source_afsi;
2138 };
2139
2140 static int copy_selector_info(__a_unused struct osl_table *table,
2141 struct osl_row *row, const char *name, void *data)
2142 {
2143 struct cpsi_action_data *cad = data;
2144 struct osl_object target_afsi_obj;
2145 int ret;
2146 struct afs_info old_afsi, target_afsi;
2147 struct afsi_change_event_data aced;
2148
2149 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2150 if (ret < 0)
2151 return ret;
2152 load_afsi(&target_afsi, &target_afsi_obj);
2153 old_afsi = target_afsi;
2154 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2155 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2156 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2157 target_afsi.image_id = cad->source_afsi.image_id;
2158 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2159 target_afsi.last_played = cad->source_afsi.last_played;
2160 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2161 target_afsi.num_played = cad->source_afsi.num_played;
2162 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2163 target_afsi.attributes = cad->source_afsi.attributes;
2164 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2165 cad->num_copied++;
2166 if (cad->flags & CPSI_FLAG_VERBOSE)
2167 para_printf(&cad->pb, "copied afsi to %s\n", name);
2168 aced.aft_row = row;
2169 aced.old_afsi = &old_afsi;
2170 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2171 return 1;
2172 }
2173
2174 static int com_cpsi_callback(const struct osl_object *query,
2175 struct osl_object *result)
2176 {
2177 struct cpsi_action_data cad = {.flags = *(unsigned *)query->data};
2178 int ret;
2179 char *source_path = (char *)query->data + sizeof(cad.flags);
2180
2181 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2182 if (ret < 0)
2183 goto out;
2184 struct pattern_match_data pmd = {
2185 .table = audio_file_table,
2186 .loop_col_num = AFTCOL_HASH,
2187 .match_col_num = AFTCOL_PATH,
2188 .patterns = {.data = source_path + strlen(source_path) + 1,
2189 .size = query->size - sizeof(cad.flags)
2190 - strlen(source_path) - 1},
2191 .data = &cad,
2192 .action = copy_selector_info
2193 };
2194 ret = for_each_matching_row(&pmd);
2195 out:
2196 if (ret < 0)
2197 para_printf(&cad.pb, "%s\n", PARA_STRERROR(-ret));
2198 if (cad.flags & CPSI_FLAG_VERBOSE) {
2199 if (cad.num_copied)
2200 para_printf(&cad.pb, "copied requested afsi from %s "
2201 "to %u files\n",
2202 source_path, cad.num_copied);
2203 else
2204 para_printf(&cad.pb, "nothing copied\n");
2205 }
2206 if (cad.pb.buf) {
2207 result->data = cad.pb.buf;
2208 result->size = cad.pb.size;
2209 return 1;
2210 }
2211 return ret < 0? ret : 0;
2212 }
2213
2214 int com_cpsi(int fd, int argc, char * const * const argv)
2215 {
2216 unsigned flags = 0;
2217 int i, ret;
2218 struct osl_object options = {.data = &flags, .size = sizeof(flags)},
2219 result;
2220
2221 for (i = 1; i < argc; i++) {
2222 const char *arg = argv[i];
2223 if (arg[0] != '-')
2224 break;
2225 if (!strcmp(arg, "--")) {
2226 i++;
2227 break;
2228 }
2229 if (!strcmp(arg, "-y")) {
2230 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2231 continue;
2232 }
2233 if (!strcmp(arg, "-i")) {
2234 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2235 continue;
2236 }
2237 if (!strcmp(arg, "-l")) {
2238 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2239 continue;
2240 }
2241 if (!strcmp(arg, "-n")) {
2242 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2243 continue;
2244 }
2245 if (!strcmp(arg, "-a")) {
2246 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2247 continue;
2248 }
2249 if (!strcmp(arg, "-v")) {
2250 flags |= CPSI_FLAG_VERBOSE;
2251 continue;
2252 }
2253 break;
2254 }
2255 if (i + 1 >= argc) /* need at least souce file and pattern */
2256 return -E_AFT_SYNTAX;
2257 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2258 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2259 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2260 com_cpsi_callback, &result);
2261 if (ret > 0) {
2262 send_buffer(fd, (char *)result.data);
2263 free(result.data);
2264 } else
2265 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2266 return ret;
2267 }
2268
2269 /* TODO: optionally fix problems by removing offending rows */
2270 static int check_audio_file(struct osl_row *row, void *data)
2271 {
2272 char *path;
2273 struct para_buffer *pb = data;
2274 struct stat statbuf;
2275 int ret = get_audio_file_path_of_row(row, &path);
2276 struct afs_info afsi;
2277 char *blob_name;
2278
2279 if (ret < 0) {
2280 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
2281 return 1;
2282 }
2283 if (stat(path, &statbuf) < 0)
2284 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2285 else {
2286 if (!S_ISREG(statbuf.st_mode))
2287 para_printf(pb, "%s: not a regular file\n", path);
2288 }
2289 ret = get_afsi_of_row(row, &afsi);
2290 if (ret < 0) {
2291 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
2292 return 1;
2293 }
2294 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2295 if (ret < 0)
2296 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2297 PARA_STRERROR(-ret));
2298 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2299 if (ret < 0)
2300 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2301 PARA_STRERROR(-ret));
2302 return 1;
2303 }
2304
2305 /**
2306 * Check the audio file table for inconsistencies.
2307 *
2308 * \param query Unused.
2309 * \param result Contains message string upon return.
2310 *
2311 * This function always succeeds.
2312 *
2313 * \sa com_check().
2314 */
2315 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
2316 {
2317 struct para_buffer pb = {.buf = NULL};
2318
2319 para_printf(&pb, "checking audio file table...\n");
2320 audio_file_loop(&pb, check_audio_file);
2321 result->data = pb.buf;
2322 result->size = pb.size;
2323 return 1;
2324
2325 }
2326
2327 /**
2328 * Close the audio file table.
2329 *
2330 * \param flags Usual flags that are passed to osl_close_table().
2331 *
2332 * \sa osl_close_table().
2333 */
2334 static void aft_close(void)
2335 {
2336 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2337 audio_file_table = NULL;
2338 }
2339
2340 /**
2341 * Open the audio file table.
2342 *
2343 * \param dir The database directory.
2344 *
2345 * \return Standard.
2346 *
2347 * \sa osl_open_table().
2348 */
2349 static int aft_open(const char *dir)
2350 {
2351 int ret;
2352
2353 audio_file_table_desc.dir = dir;
2354 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2355 if (ret >= 0) {
2356 unsigned num;
2357 osl_get_num_rows(audio_file_table, &num);
2358 PARA_INFO_LOG("audio file table contains %d files\n", num);
2359 return ret;
2360 }
2361 PARA_INFO_LOG("failed to open audio file table\n");
2362 audio_file_table = NULL;
2363 if (ret >= 0 || is_errno(-ret, ENOENT))
2364 return 1;
2365 return ret;
2366 }
2367
2368 static int aft_create(const char *dir)
2369 {
2370 audio_file_table_desc.dir = dir;
2371 return osl_create_table(&audio_file_table_desc);
2372 }
2373
2374 static int clear_attribute(struct osl_row *row, void *data)
2375 {
2376 struct rmatt_event_data *red = data;
2377 struct afs_info afsi;
2378 struct osl_object obj;
2379 int ret = get_afsi_object_of_row(row, &obj);
2380 uint64_t mask = ~(1ULL << red->bitnum);
2381
2382 if (ret < 0)
2383 return ret;
2384 ret = load_afsi(&afsi, &obj);
2385 if (ret < 0)
2386 return ret;
2387 afsi.attributes &= mask;
2388 save_afsi(&afsi, &obj);
2389 return 1;
2390 }
2391
2392 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2393 void *data)
2394 {
2395 switch(event) {
2396 case ATTRIBUTE_REMOVE: {
2397 const struct rmatt_event_data *red = data;
2398 para_printf(pb, "clearing attribute %s (bit %u) from all "
2399 "entries in the audio file table\n", red->name,
2400 red->bitnum);
2401 return audio_file_loop(data, clear_attribute);
2402 }
2403 default:
2404 return 1;
2405 }
2406 }
2407
2408 void aft_init(struct afs_table *t)
2409 {
2410 t->name = audio_file_table_desc.name;
2411 t->open = aft_open;
2412 t->close = aft_close;
2413 t->create = aft_create;
2414 t->event_handler = aft_event_handler;
2415 }