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