stdin: Increase input buffer size.
[paraslash.git] / aft.c
1 /*
2 * Copyright (C) 2007-2009 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 <sys/shm.h>
16
17 #include "afh.h"
18 #include "afs.h"
19 #include "net.h"
20 #include "vss.h"
21 #include "fd.h"
22 #include "ipc.h"
23 #include "portable_io.h"
24
25 static struct osl_table *audio_file_table;
26
27 /** The different sorting methods of the ls command. */
28 enum ls_sorting_method {
29 /** -sp (default) */
30 LS_SORT_BY_PATH,
31 /** -ss */
32 LS_SORT_BY_SCORE,
33 /** -sl */
34 LS_SORT_BY_LAST_PLAYED,
35 /** -sn */
36 LS_SORT_BY_NUM_PLAYED,
37 /** -sf */
38 LS_SORT_BY_FREQUENCY,
39 /** -sc */
40 LS_SORT_BY_CHANNELS,
41 /** -si */
42 LS_SORT_BY_IMAGE_ID,
43 /** -sy */
44 LS_SORT_BY_LYRICS_ID,
45 /** -sb */
46 LS_SORT_BY_BITRATE,
47 /** -sd */
48 LS_SORT_BY_DURATION,
49 /** -sa */
50 LS_SORT_BY_AUDIO_FORMAT,
51 /** -sh */
52 LS_SORT_BY_HASH,
53 };
54
55 /** The different listing modes of the ls command. */
56 enum ls_listing_mode {
57 /** Default listing mode. */
58 LS_MODE_SHORT,
59 /** -l or -ll */
60 LS_MODE_LONG,
61 /** -lv */
62 LS_MODE_VERBOSE,
63 /** -lm */
64 LS_MODE_MBOX,
65 /** -lc */
66 LS_MODE_CHUNKS
67 };
68
69 /** The flags accepted by the ls command. */
70 enum ls_flags {
71 /** -p */
72 LS_FLAG_FULL_PATH = 1,
73 /** -a */
74 LS_FLAG_ADMISSIBLE_ONLY = 2,
75 /** -r */
76 LS_FLAG_REVERSE = 4,
77 /** -d */
78 LS_FLAG_UNIXDATE = 8,
79 };
80
81 /**
82 * The size of the individual output fields of the ls command.
83 *
84 * These depend on the actual content being listed. If, for instance only files
85 * with duration less than an hour are being listed, then the duration with is
86 * made smaller because then the duration is listed as mm:ss rather than
87 * hh:mm:ss.
88 */
89 struct ls_widths {
90 /** size of the score field. */
91 unsigned short score_width;
92 /** size of the image id field. */
93 unsigned short image_id_width;
94 /** size of the lyrics id field. */
95 unsigned short lyrics_id_width;
96 /** size of the bitrate field. */
97 unsigned short bitrate_width;
98 /** size of the frequency field. */
99 unsigned short frequency_width;
100 /** size of the duration field. */
101 unsigned short duration_width;
102 /** size of the num played field. */
103 unsigned short num_played_width;
104 /** size of the amp field. */
105 unsigned short amp_width;
106 };
107
108 /** Data passed from the ls command handler to its callback function. */
109 struct ls_options {
110 /** The given command line flags. */
111 unsigned flags;
112 /** The sorting method given at the command line. */
113 enum ls_sorting_method sorting;
114 /** The given listing mode (short, long, verbose, mbox). */
115 enum ls_listing_mode mode;
116 /** The arguments passed to the ls command. */
117 char **patterns;
118 /** Number of non-option arguments. */
119 int num_patterns;
120 /** Used for long listing mode to align the output fields. */
121 struct ls_widths widths;
122 /** Size of the \a data array. */
123 uint32_t array_size;
124 /** Number of used entries in the data array. */
125 uint32_t num_matching_paths;
126 /** Array of matching entries. */
127 struct ls_data *data;
128 /** Used to sort the array. */
129 struct ls_data **data_ptr;
130 };
131
132 /**
133 * Describes the layout of the mmapped-afs info struct.
134 *
135 * \sa struct afs_info.
136 */
137 enum afsi_offsets {
138 /** Where .last_played is stored. */
139 AFSI_LAST_PLAYED_OFFSET = 0,
140 /** Storage position of the attributes bitmap. */
141 AFSI_ATTRIBUTES_OFFSET = 8,
142 /** Storage position of the .num_played field. */
143 AFSI_NUM_PLAYED_OFFSET = 16,
144 /** Storage position of the .image_id field. */
145 AFSI_IMAGE_ID_OFFSET = 20,
146 /** Storage position of the .lyrics_id field. */
147 AFSI_LYRICS_ID_OFFSET = 24,
148 /** Storage position of the .audio_format_id field. */
149 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
150 /** Storage position of the amplification field. */
151 AFSI_AMP_OFFSET = 29,
152 /** 2 bytes reserved space for future usage. */
153 AFSI_AUDIO_FORMAT_UNUSED_OFFSET = 30,
154 /** On-disk storage space needed. */
155 AFSI_SIZE = 32
156 };
157
158 /**
159 * Convert a struct afs_info to an osl object.
160 *
161 * \param afsi Pointer to the audio file info to be converted.
162 * \param obj Result pointer.
163 *
164 * \sa load_afsi().
165 */
166 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
167 {
168 char *buf = obj->data;
169
170 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
171 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
172 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
173 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
174 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
175 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
176 afsi->audio_format_id);
177 write_u8(buf + AFSI_AMP_OFFSET, afsi->amp);
178 memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 2);
179 }
180
181 /**
182 * Get the audio file selector info struct stored in an osl object.
183 *
184 * \param afsi Points to the audio_file info structure to be filled in.
185 * \param obj The osl object holding the data.
186 *
187 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
188 *
189 * \sa save_afsi().
190 */
191 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
192 {
193 char *buf = obj->data;
194 if (obj->size < AFSI_SIZE)
195 return -E_BAD_AFSI;
196 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
197 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
198 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
199 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
200 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
201 afsi->audio_format_id = read_u8(buf +
202 AFSI_AUDIO_FORMAT_ID_OFFSET);
203 afsi->amp = read_u8(buf + AFSI_AMP_OFFSET);
204 return 1;
205 }
206
207 /** The columns of the audio file table. */
208 enum audio_file_table_columns {
209 /** The hash on the content of the audio file. */
210 AFTCOL_HASH,
211 /** The full path in the filesystem. */
212 AFTCOL_PATH,
213 /** The audio file selector info. */
214 AFTCOL_AFSI,
215 /** The audio format handler info. */
216 AFTCOL_AFHI,
217 /** The chunk table info and the chunk table of the audio file. */
218 AFTCOL_CHUNKS,
219 /** The number of columns of this table. */
220 NUM_AFT_COLUMNS
221 };
222
223 static struct osl_column_description aft_cols[] = {
224 [AFTCOL_HASH] = {
225 .storage_type = OSL_MAPPED_STORAGE,
226 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
227 .name = "hash",
228 .compare_function = osl_hash_compare,
229 .data_size = HASH_SIZE
230 },
231 [AFTCOL_PATH] = {
232 .storage_type = OSL_MAPPED_STORAGE,
233 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
234 .name = "path",
235 .compare_function = string_compare,
236 },
237 [AFTCOL_AFSI] = {
238 .storage_type = OSL_MAPPED_STORAGE,
239 .storage_flags = OSL_FIXED_SIZE,
240 .name = "afs_info",
241 .data_size = AFSI_SIZE
242 },
243 [AFTCOL_AFHI] = {
244 .storage_type = OSL_MAPPED_STORAGE,
245 .name = "afh_info",
246 },
247 [AFTCOL_CHUNKS] = {
248 .storage_type = OSL_DISK_STORAGE,
249 .name = "chunks",
250 }
251 };
252
253 static struct osl_table_description audio_file_table_desc = {
254 .name = "audio_files",
255 .num_columns = NUM_AFT_COLUMNS,
256 .flags = OSL_LARGE_TABLE,
257 .column_descriptions = aft_cols
258 };
259
260 /* We don't want * dot or dot-dot anywhere. */
261 static int verify_dotfile(const char *rest)
262 {
263 /*
264 * The first character was '.', but that has already been discarded, we
265 * now test the rest.
266 */
267 switch (*rest) {
268 case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
269 return -1;
270 case '.': /* path start with /foo/.. */
271 if (rest[1] == '\0' || rest[1] == '/')
272 return -1; /* /foo/.. or /foo/../bar are not ok */
273 /* /foo/..bar is ok */
274 }
275 return 1;
276 }
277
278 /*
279 * We fundamentally don't like some paths: We don't want double slashes or
280 * slashes at the end that can make pathnames ambiguous.
281 */
282 static int verify_path(const char *orig_path, char **resolved_path)
283 {
284 char c;
285 size_t len;
286 char *path;
287
288 if (*orig_path != '/') /* we only accept absolute paths */
289 return -E_BAD_PATH;
290 len = strlen(orig_path);
291 *resolved_path = para_strdup(orig_path);
292 path = *resolved_path;
293 while (len > 1 && path[--len] == '/')
294 path[len] = '\0'; /* remove slash at the end */
295 c = *path++;
296 while (c) {
297 if (c == '/') {
298 c = *path++;
299 switch (c) {
300 case '/': /* double slash */
301 goto bad_path;
302 case '.':
303 if (verify_dotfile(path) < 0)
304 goto bad_path;
305 default:
306 continue;
307 }
308 }
309 c = *path++;
310 }
311 return 1;
312 bad_path:
313 free(*resolved_path);
314 return -E_BAD_PATH;
315 }
316
317 /** The on-disk layout of a afhi struct. */
318 enum afhi_offsets {
319 /** Where the number of seconds is stored. */
320 AFHI_SECONDS_TOTAL_OFFSET = 0,
321 /** Position of the bitrate. */
322 AFHI_BITRATE_OFFSET = 4,
323 /** Position of the frequency. */
324 AFHI_FREQUENCY_OFFSET = 8,
325 /** Location of the audio file header. */
326 AFHI_HEADER_OFFSET_OFFSET = 12,
327 /* Length of the audio file header. Zero means: No header. */
328 AFHI_HEADER_LEN_OFFSET = 16,
329 /** The total number of chunks (4 bytes). */
330 CHUNKS_TOTAL_OFFSET = 20,
331 /** The length of the audio file header (4 bytes). */
332 HEADER_LEN_OFFSET = 24,
333 /** The start of the audio file header (4 bytes). */
334 HEADER_OFFSET_OFFSET = 28,
335 /** The seconds part of the chunk time (4 bytes). */
336 CHUNK_TV_TV_SEC_OFFSET = 32,
337 /** The microseconds part of the chunk time (4 bytes). */
338 CHUNK_TV_TV_USEC_OFFSET = 36,
339 /** Number of channels is stored here. (1 byte) */
340 AFHI_CHANNELS_OFFSET = 40,
341 /** EOF timeout in ms. (2 byte) */
342 AFHI_EOF_OFFSET = 41,
343 /** The tag info position. */
344 AFHI_INFO_STRING_OFFSET = 43,
345 /** Minimal on-disk size of a valid afhi struct. */
346 MIN_AFHI_SIZE = 44
347 };
348
349 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
350 {
351 if (!afhi)
352 return 0;
353 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
354 }
355
356 static void save_afhi(struct afh_info *afhi, char *buf)
357 {
358 if (!afhi)
359 return;
360 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET, afhi->seconds_total);
361 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
362 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
363 write_u32(buf + AFHI_HEADER_OFFSET_OFFSET, afhi->header_offset);
364 write_u32(buf + AFHI_HEADER_LEN_OFFSET, afhi->header_len);
365 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
366 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
367 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
368 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
369 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
370 write_u32(buf + CHUNK_TV_TV_USEC_OFFSET, afhi->chunk_tv.tv_usec);
371 write_u16(buf + AFHI_EOF_OFFSET, tv2ms(&afhi->eof_tv));
372 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
373 }
374
375 static void load_afhi(const char *buf, struct afh_info *afhi)
376 {
377 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
378 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
379 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
380 afhi->header_offset = read_u32(buf + AFHI_HEADER_OFFSET_OFFSET);
381 afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_OFFSET);
382 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
383 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
384 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
385 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
386 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
387 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC_OFFSET);
388 ms2tv(read_u16(buf + AFHI_EOF_OFFSET), &afhi->eof_tv);
389 afhi->info_string = para_strdup(buf + AFHI_INFO_STRING_OFFSET);
390 }
391
392 static unsigned sizeof_chunk_table(struct afh_info *afhi)
393 {
394 if (!afhi)
395 return 0;
396 return 4 * (afhi->chunks_total + 1);
397 }
398
399 static void save_chunk_table(struct afh_info *afhi, char *buf)
400 {
401 int i;
402
403 for (i = 0; i <= afhi->chunks_total; i++)
404 write_u32(buf + 4 * i, afhi->chunk_table[i]);
405 }
406
407 static void load_chunk_table(struct afh_info *afhi, char *buf)
408 {
409 int i;
410
411 afhi->chunk_table = para_malloc(sizeof_chunk_table(afhi));
412 for (i = 0; i <= afhi->chunks_total; i++)
413 afhi->chunk_table[i] = read_u32(buf + 4 * i);
414 }
415
416 /**
417 * Get the row of the audio file table corresponding to the given path.
418 *
419 * \param path The full path of the audio file.
420 * \param row Result pointer.
421 *
422 * \return The return value of the underlying call to osl_get_row().
423 */
424 int aft_get_row_of_path(const char *path, struct osl_row **row)
425 {
426 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
427
428 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
429 }
430
431 /**
432 * Get the row of the audio file table corresponding to the given hash value.
433 *
434 * \param hash The hash value of the desired audio file.
435 * \param row resul pointer.
436 *
437 * \return The return value of the underlying call to osl_get_row().
438 */
439 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
440 {
441 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
442 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
443 }
444
445 /**
446 * Get the osl object holding the audio file selector info of a row.
447 *
448 * \param row Pointer to a row in the audio file table.
449 * \param obj Result pointer.
450 *
451 * \return The return value of the underlying call to osl_get_object().
452 */
453 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
454 {
455 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
456 }
457
458 /**
459 * Get the osl object holding the audio file selector info, given a path.
460 *
461 *
462 * \param path The full path of the audio file.
463 * \param obj Result pointer.
464 *
465 * \return Positive on success, negative on errors.
466 */
467 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
468 {
469 struct osl_row *row;
470 int ret = aft_get_row_of_path(path, &row);
471 if (ret < 0)
472 return ret;
473 return get_afsi_object_of_row(row, obj);
474 }
475
476 /**
477 * Get the audio file selector info, given a row of the audio file table.
478 *
479 * \param row Pointer to a row in the audio file table.
480 * \param afsi Result pointer.
481 *
482 * \return Positive on success, negative on errors.
483 */
484 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
485 {
486 struct osl_object obj;
487 int ret = get_afsi_object_of_row(row, &obj);
488 if (ret < 0)
489 return ret;
490 return load_afsi(afsi, &obj);
491 }
492
493 /**
494 * Get the audio file selector info, given the path of an audio table.
495 *
496 * \param path The full path of the audio file.
497 * \param afsi Result pointer.
498 *
499 * \return Positive on success, negative on errors.
500 */
501 int get_afsi_of_path(const char *path, struct afs_info *afsi)
502 {
503 struct osl_object obj;
504 int ret = get_afsi_object_of_path(path, &obj);
505 if (ret < 0)
506 return ret;
507 return load_afsi(afsi, &obj);
508 }
509
510 /**
511 * Get the path of an audio file, given a row of the audio file table.
512 *
513 * \param row Pointer to a row in the audio file table.
514 * \param path Result pointer.
515 *
516 * The result is a pointer to mmapped data. The caller must not attempt
517 * to free it.
518 *
519 * \return Standard.
520 */
521 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
522 {
523 struct osl_object path_obj;
524 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
525 &path_obj);
526 if (ret < 0)
527 return ret;
528 *path = path_obj.data;
529 return 1;
530 }
531
532 /**
533 * Get the object containing the hash value of an audio file, given a row.
534 *
535 * \param row Pointer to a row of the audio file table.
536 * \param obj Result pointer.
537 *
538 * \return The return value of the underlying call to osl_get_object().
539 *
540 * \sa get_hash_of_row().
541 */
542 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
543 {
544 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
545 }
546
547 /**
548 * Get the hash value of an audio file, given a row of the audio file table.
549 *
550 * \param row Pointer to a row of the audio file table.
551 * \param hash Result pointer.
552 *
553 * \a hash points to mapped data and must not be freed by the caller.
554 *
555 * \return The return value of the underlying call to
556 * get_hash_object_of_aft_row().
557 */
558 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
559 {
560 struct osl_object obj;
561 int ret = get_hash_object_of_aft_row(row, &obj);
562
563 if (ret < 0)
564 return ret;
565 *hash = obj.data;
566 return 1;
567 }
568
569 /**
570 * Get the audio format handler info, given a row of the audio file table.
571 *
572 * \param row Pointer to a row of the audio file table.
573 * \param afhi Result pointer.
574 *
575 * \return The return value of the underlying call to osl_get_object().
576 *
577 * \sa get_chunk_table_of_row().
578 */
579 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
580 {
581 struct osl_object obj;
582 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
583 &obj);
584 if (ret < 0)
585 return ret;
586 load_afhi(obj.data, afhi);
587 return 1;
588 }
589
590 /* returns shmid on success */
591 static int save_afd(struct audio_file_data *afd)
592 {
593 size_t size = sizeof(*afd) + sizeof_chunk_table(&afd->afhi);
594 int shmid, ret = shm_new(size);
595 void *shm_afd;
596 char *buf;
597
598 if (ret < 0)
599 return ret;
600 shmid = ret;
601 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
602 if (ret < 0)
603 goto err;
604 *(struct audio_file_data *)shm_afd = *afd;
605 buf = shm_afd;
606 buf += sizeof(*afd);
607 save_chunk_table(&afd->afhi, buf);
608 shm_detach(shm_afd);
609 return shmid;
610 err:
611 shm_destroy(shmid);
612 return ret;
613 }
614
615 int load_afd(int shmid, struct audio_file_data *afd)
616 {
617 void *shm_afd;
618 char *buf;
619 int ret;
620
621 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
622 if (ret < 0)
623 return ret;
624 *afd = *(struct audio_file_data *)shm_afd;
625 buf = shm_afd;
626 buf += sizeof(*afd);
627 load_chunk_table(&afd->afhi, buf);
628 shm_detach(shm_afd);
629 return 1;
630 }
631
632 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
633 time_t current_time, enum ls_listing_mode lm)
634 {
635 struct tm t;
636
637 if (!localtime_r((time_t *)seconds, &t))
638 return -E_LOCALTIME;
639 if (lm == LS_MODE_MBOX) {
640 if (!strftime(buf, size, "%c", &t))
641 return -E_STRFTIME;
642 return 1;
643 }
644 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
645 if (!strftime(buf, size, "%b %e %k:%M", &t))
646 return -E_STRFTIME;
647 return 1;
648 }
649 if (!strftime(buf, size, "%b %e %Y", &t))
650 return -E_STRFTIME;
651 return 1;
652 }
653
654 /** Compute the number of (decimal) digits of a number. */
655 #define GET_NUM_DIGITS(x, num) { \
656 typeof((x)) _tmp = PARA_ABS(x); \
657 *num = 1; \
658 if ((_tmp)) \
659 while ((_tmp) > 9) { \
660 (_tmp) /= 10; \
661 (*num)++; \
662 } \
663 }
664
665 static short unsigned get_duration_width(int seconds)
666 {
667 short unsigned width;
668 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
669
670 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
671 return 4 + (mins > 9);
672 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
673 GET_NUM_DIGITS(hours, &width);
674 return width + 6;
675 }
676
677 static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
678 {
679 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
680 short unsigned max_width;
681
682 if (!hours) { /* m:ss or mm:ss */
683 max_width = opts->mode == LS_MODE_LONG?
684 opts->widths.duration_width : 4;
685 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
686 } else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
687 max_width = opts->mode == LS_MODE_LONG?
688 opts->widths.duration_width : 7;
689 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
690 seconds % 60);
691 }
692 }
693
694 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
695 {
696 char *att_text, *att_lines;
697
698 get_attribute_text(&afsi->attributes, " ", &att_text);
699 if (!att_text)
700 return para_strdup(att_bitmap);
701 att_lines = make_message("%s: %s\n%s: %s",
702 status_item_list[SI_ATTRIBUTES_BITMAP], att_bitmap,
703 status_item_list[SI_ATTRIBUTES_TXT], att_text);
704 free(att_text);
705 return att_lines;
706 }
707
708 static char *make_lyrics_lines(struct afs_info *afsi)
709 {
710 char *lyrics_name;
711
712 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
713 return make_message("%s: %u\n%s: %s\n",
714 status_item_list[SI_LYRICS_ID], afsi->lyrics_id,
715 status_item_list[SI_LYRICS_NAME], lyrics_name?
716 lyrics_name : "(none)");
717 }
718
719 static char *make_image_lines(struct afs_info *afsi)
720 {
721 char *image_name;
722 img_get_name_by_id(afsi->image_id, &image_name);
723 return make_message("%s: %u\n%s: %s\n",
724 status_item_list[SI_IMAGE_ID], afsi->image_id,
725 status_item_list[SI_IMAGE_NAME], image_name?
726 image_name : "(none)");
727 }
728
729 static char *make_filename_lines(const char *path, unsigned flags)
730 {
731 char *dirname, *ret;
732 const char *basename;
733
734 if (!(flags & LS_FLAG_FULL_PATH))
735 return make_message("%s: %s\n",
736 status_item_list[SI_BASENAME], path);
737 basename = para_basename(path),
738 dirname = para_dirname(path);
739 ret = make_message("%s: %s\n%s: %s\n%s: %s\n",
740 status_item_list[SI_PATH], path,
741 status_item_list[SI_DIRECTORY], dirname? dirname : "?",
742 status_item_list[SI_BASENAME], basename? basename : "?");
743 free(dirname);
744 return ret;
745 }
746
747 static int print_chunk_table(struct ls_data *d, struct para_buffer *b)
748 {
749 struct osl_object chunk_table_obj;
750 struct osl_row *aft_row;
751 int ret, i;
752 char *buf;
753
754 ret = aft_get_row_of_hash(d->hash, &aft_row);
755 if (ret < 0)
756 return ret;
757 ret = osl_open_disk_object(audio_file_table, aft_row,
758 AFTCOL_CHUNKS, &chunk_table_obj);
759 if (ret < 0)
760 return ret;
761 ret = para_printf(b, "%s\n"
762 "chunk_time: %lu:%lu\nchunk_offsets: ",
763 d->path,
764 (long unsigned) d->afhi.chunk_tv.tv_sec,
765 (long unsigned) d->afhi.chunk_tv.tv_usec
766 );
767 if (ret < 0)
768 goto out;
769 buf = chunk_table_obj.data;
770 for (i = 0; i <= d->afhi.chunks_total; i++) {
771 ret = para_printf(b, "%u ", (unsigned) read_u32(buf + 4 * i));
772 if (ret < 0)
773 goto out;
774 }
775 ret = para_printf(b, "\n");
776 out:
777 osl_close_disk_object(&chunk_table_obj);
778 return ret;
779 }
780
781 static int print_list_item(struct ls_data *d, struct ls_options *opts,
782 struct para_buffer *b, time_t current_time)
783 {
784 int ret;
785 char att_buf[65];
786 char last_played_time[30];
787 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
788 char score_buf[30] = "";
789 struct afs_info *afsi = &d->afsi;
790 struct afh_info *afhi = &d->afhi;
791 struct ls_widths *w = &opts->widths;
792 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
793 char asc_hash[2 * HASH_SIZE + 1];
794 char *att_lines, *lyrics_lines, *image_lines, *filename_lines;
795
796 if (opts->mode == LS_MODE_SHORT) {
797 ret = para_printf(b, "%s\n", d->path);
798 goto out;
799 }
800 if (opts->mode == LS_MODE_CHUNKS) {
801 ret = print_chunk_table(d, b);
802 goto out;
803 }
804 get_attribute_bitmap(&afsi->attributes, att_buf);
805 if (opts->flags & LS_FLAG_UNIXDATE)
806 sprintf(last_played_time, "%llu",
807 (long long unsigned)afsi->last_played);
808 else {
809 ret = get_local_time(&afsi->last_played, last_played_time,
810 sizeof(last_played_time), current_time, opts->mode);
811 if (ret < 0)
812 goto out;
813 }
814 get_duration_buf(afhi->seconds_total, duration_buf, opts);
815 if (have_score) {
816 if (opts->mode == LS_MODE_LONG)
817 sprintf(score_buf, "%*li ", w->score_width, d->score);
818 else
819 sprintf(score_buf, "%li ", d->score);
820 }
821
822 if (opts->mode == LS_MODE_LONG) {
823 ret = para_printf(b,
824 "%s" /* score */
825 "%s " /* attributes */
826 "%*u " /* amp */
827 "%*d " /* image_id */
828 "%*d " /* lyrics_id */
829 "%*d " /* bitrate */
830 "%s " /* audio format */
831 "%*d " /* frequency */
832 "%d " /* channels */
833 "%s " /* duration */
834 "%*d " /* num_played */
835 "%s " /* last_played */
836 "%s\n", /* path */
837 score_buf,
838 att_buf,
839 w->amp_width, afsi->amp,
840 w->image_id_width, afsi->image_id,
841 w->lyrics_id_width, afsi->lyrics_id,
842 w->bitrate_width, afhi->bitrate,
843 audio_format_name(afsi->audio_format_id),
844 w->frequency_width, afhi->frequency,
845 afhi->channels,
846 duration_buf,
847 w->num_played_width, afsi->num_played,
848 last_played_time,
849 d->path
850 );
851 goto out;
852 }
853 hash_to_asc(d->hash, asc_hash);
854 att_lines = make_attribute_lines(att_buf, afsi);
855 lyrics_lines = make_lyrics_lines(afsi);
856 image_lines = make_image_lines(afsi);
857 filename_lines = make_filename_lines(d->path, opts->flags);
858 if (opts->mode == LS_MODE_MBOX) {
859 const char *bn = para_basename(d->path);
860 ret = para_printf(b,
861 "From foo@localhost %s\n"
862 "Received: from\nTo: bar\nFrom: a\n"
863 "Subject: %s\n\n",
864 last_played_time,
865 bn? bn : "?");
866 if (ret < 0)
867 goto out;
868 }
869 ret = para_printf(b,
870 "%s" /* filename stuff */
871 "%s%s%s%s" /* score */
872 "%s\n" /* attributes */
873 "%s: %s\n" /* hash */
874 "%s" /* image id, image name */
875 "%s" /* lyrics */
876 "%s: %dkbit/s\n" /* bitrate */
877 "%s: %s\n" /* format */
878 "%s: %dHz\n" /* frequency */
879 "%s: %d\n" /* channels */
880 "%s: %s\n" /* duration */
881 "%s: %lu\n" /* seconds total */
882 "%s: %s\n" /* last played time */
883 "%s: %d\n" /* num_played */
884 "%s: %u\n" /* ampplification */
885 "%s" /* tag info */
886 "%s: %lu\n" /* chunk time */
887 "%s: %lu\n", /* num chunks */
888 filename_lines,
889 have_score? status_item_list[SI_SCORE] : "",
890 have_score? ": " : "",
891 score_buf,
892 have_score? "\n" : "",
893 att_lines,
894 status_item_list[SI_HASH], asc_hash,
895 image_lines,
896 lyrics_lines,
897 status_item_list[SI_BITRATE], afhi->bitrate,
898 status_item_list[SI_FORMAT], audio_format_name(afsi->audio_format_id),
899 status_item_list[SI_FREQUENCY], afhi->frequency,
900 status_item_list[SI_CHANNELS], afhi->channels,
901 status_item_list[SI_DURATION], duration_buf,
902 status_item_list[SI_SECONDS_TOTAL], afhi->seconds_total,
903 status_item_list[SI_LAST_PLAYED], last_played_time,
904 status_item_list[SI_NUM_PLAYED], afsi->num_played,
905 status_item_list[SI_AMPLIFICATION], afsi->amp,
906 afhi->info_string,
907 status_item_list[SI_CHUNK_TIME], tv2ms(&afhi->chunk_tv),
908 status_item_list[SI_NUM_CHUNKS], afhi->chunks_total
909 );
910 if (ret < 0)
911 goto out;
912 if (opts->mode == LS_MODE_MBOX) {
913 struct osl_object lyrics_def;
914 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
915 if (lyrics_def.data) {
916 ret = para_printf(b, "Lyrics:\n~~~~~~~\n%s",
917 (char *)lyrics_def.data);
918 osl_close_disk_object(&lyrics_def);
919 }
920 }
921 free(att_lines);
922 free(lyrics_lines);
923 free(image_lines);
924 free(filename_lines);
925 out:
926 free(afhi->info_string);
927 return ret;
928 }
929
930 /**
931 * Write a list of audio-file related status items with empty values.
932 *
933 * \param buf Result pointer.
934 *
935 * This is used by vss when currently no audio file is open.
936 */
937 void make_empty_status_items(char *buf)
938 {
939 sprintf(buf,
940 "%s: \n" /* path */
941 "%s: \n" /* dirname */
942 "%s: \n" /* basename */
943 "%s: \n" /* score */
944 "%s: \n" /* attributes bitmap */
945 "%s: \n" /* attributes txt */
946 "%s: \n" /* hash */
947 "%s: \n" /* image id */
948 "%s: \n" /* image name */
949 "%s: \n" /* lyrics id */
950 "%s: \n" /* lyrics name */
951 "%s: \n" /* bitrate */
952 "%s: \n" /* format */
953 "%s: \n" /* frequency */
954 "%s: \n" /* channels */
955 "%s: \n" /* duration */
956 "%s: \n" /* seconds total */
957 "%s: \n" /* num played */
958 "%s: \n" /* last played */
959 "%s: \n" /* audio file info */
960 "%s: \n" /* taginfo1 */
961 "%s: \n" /* taginfo2 */
962 "%s: \n" /* amplification */
963 ,
964 status_item_list[SI_PATH],
965 status_item_list[SI_DIRECTORY],
966 status_item_list[SI_BASENAME],
967 status_item_list[SI_SCORE],
968 status_item_list[SI_ATTRIBUTES_BITMAP],
969 status_item_list[SI_ATTRIBUTES_TXT],
970 status_item_list[SI_HASH],
971 status_item_list[SI_IMAGE_ID],
972 status_item_list[SI_IMAGE_NAME],
973 status_item_list[SI_LYRICS_ID],
974 status_item_list[SI_LYRICS_NAME],
975 status_item_list[SI_BITRATE],
976 status_item_list[SI_FORMAT],
977 status_item_list[SI_FREQUENCY],
978 status_item_list[SI_CHANNELS],
979 status_item_list[SI_DURATION],
980 status_item_list[SI_SECONDS_TOTAL],
981 status_item_list[SI_NUM_PLAYED],
982 status_item_list[SI_LAST_PLAYED],
983 status_item_list[SI_AUDIO_FILE_INFO],
984 status_item_list[SI_TAGINFO1],
985 status_item_list[SI_TAGINFO2],
986 status_item_list[SI_AMPLIFICATION]
987 );
988 }
989
990 static void fixup_taginfo(char *begin, char *end)
991 {
992 char *p = begin;
993
994 for (;;) {
995 p = strchr(p, '\n');
996 if (!p)
997 break;
998 if (p >= end - 1)
999 break;
1000 *p = ' ';
1001 p++;
1002 }
1003 }
1004
1005 /* crap, remove this ASAP. */
1006 static int fixup_info_string(char *info_string)
1007 {
1008 char *t1, *t2, *end;
1009
1010 if (strncmp(info_string, "audio_file_info:", 16))
1011 return -ERRNO_TO_PARA_ERROR(EINVAL);
1012 t1 = strstr(info_string, "\ntaginfo1:");
1013 if (!t1)
1014 return -ERRNO_TO_PARA_ERROR(EINVAL);
1015 t2 = strstr(info_string, "\ntaginfo2: ");
1016 if (!t2)
1017 return -ERRNO_TO_PARA_ERROR(EINVAL);
1018
1019 end = t2 + strlen(t2);
1020 fixup_taginfo(info_string + 16, t1);
1021 fixup_taginfo(t1 + 10, t2);
1022 fixup_taginfo(t2 + 10, end);
1023
1024 if (t1 - info_string < 80 && t2 - t1 < 80 && end - t2 < 80)
1025 return 0;
1026 if (t1 - info_string >= 80) {
1027 memmove(info_string + 80, t1, end - t1);
1028 t1 = info_string + 80;
1029 t2 -= t1 - info_string - 80;
1030 end -= t1 - info_string - 80;
1031 }
1032 if (t2 - t1 >= 80) {
1033 memmove(t1 + 80, t2, end - t2);
1034 end -= t2 - t1 - 80;
1035 t2 = t1 + 80;
1036 }
1037 if (end - t2 >= 80) {
1038 t2[78] = '\n';
1039 t2[79] = '\0';
1040 }
1041 return 1;
1042 }
1043
1044 static int make_status_items(struct audio_file_data *afd,
1045 struct afs_info *afsi, char *path, long score,
1046 HASH_TYPE *hash)
1047 {
1048 struct ls_data d = {
1049 .afhi = afd->afhi,
1050 .afsi = *afsi,
1051 .path = path,
1052 .score = score,
1053 .hash = hash
1054 };
1055 struct ls_options opts = {
1056 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
1057 .mode = LS_MODE_VERBOSE,
1058 };
1059 struct para_buffer pb = {.max_size = VERBOSE_LS_OUTPUT_SIZE - 1};
1060 time_t current_time;
1061 int ret;
1062
1063 ret = fixup_info_string(afd->afhi.info_string);
1064 if (ret < 0) {
1065 PARA_WARNING_LOG("ignoring invalid tag info\n");
1066 afd->afhi.info_string[0] = '\0';
1067 } else if (ret)
1068 PARA_NOTICE_LOG("truncated overlong tag info\n");
1069 time(&current_time);
1070 ret = print_list_item(&d, &opts, &pb, current_time); /* frees info string */
1071 afd->afhi.info_string = NULL;
1072 if (ret < 0)
1073 goto out;
1074 strncpy(afd->verbose_ls_output, pb.buf, VERBOSE_LS_OUTPUT_SIZE);
1075 afd->verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE - 1] = '\0';
1076 out:
1077 free(pb.buf);
1078 return ret;
1079 }
1080
1081 /**
1082 * Mmap the given audio file and update statistics.
1083 *
1084 * \param aft_row Determines the audio file to be opened and updated.
1085 * \param score The score of the audio file.
1086 * \param afd Result pointer.
1087 *
1088 * On success, the numplayed field of the audio file selector info is increased
1089 * and the lastplayed time is set to the current time. Finally, the score of
1090 * the audio file is updated.
1091 *
1092 * \return Positive shmid on success, negative on errors.
1093 */
1094 int open_and_update_audio_file(struct osl_row *aft_row, long score,
1095 struct audio_file_data *afd)
1096 {
1097 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
1098 struct osl_object afsi_obj;
1099 struct afs_info old_afsi, new_afsi;
1100 int ret = get_hash_of_row(aft_row, &aft_hash);
1101 struct afsi_change_event_data aced;
1102 struct osl_object map, chunk_table_obj;
1103 char *path;
1104
1105 if (ret < 0)
1106 return ret;
1107 ret = get_audio_file_path_of_row(aft_row, &path);
1108 if (ret < 0)
1109 return ret;
1110 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
1111 if (ret < 0)
1112 return ret;
1113 ret = load_afsi(&old_afsi, &afsi_obj);
1114 if (ret < 0)
1115 return ret;
1116 ret = get_afhi_of_row(aft_row, &afd->afhi);
1117 if (ret < 0)
1118 return ret;
1119 afd->afhi.chunk_table = NULL;
1120 ret = osl_open_disk_object(audio_file_table, aft_row,
1121 AFTCOL_CHUNKS, &chunk_table_obj);
1122 if (ret < 0)
1123 goto err;
1124 ret = mmap_full_file(path, O_RDONLY, &map.data,
1125 &map.size, &afd->fd);
1126 if (ret < 0)
1127 goto err;
1128 hash_function(map.data, map.size, file_hash);
1129 ret = hash_compare(file_hash, aft_hash);
1130 para_munmap(map.data, map.size);
1131 if (ret) {
1132 ret = -E_HASH_MISMATCH;
1133 goto err;
1134 }
1135 new_afsi = old_afsi;
1136 new_afsi.num_played++;
1137 new_afsi.last_played = time(NULL);
1138 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
1139
1140 load_chunk_table(&afd->afhi, chunk_table_obj.data);
1141 ret = make_status_items(afd, &old_afsi, path, score, file_hash);
1142 if (ret < 0)
1143 goto err;
1144 aced.aft_row = aft_row;
1145 aced.old_afsi = &old_afsi;
1146 afs_event(AFSI_CHANGE, NULL, &aced);
1147 ret = save_afd(afd);
1148 err:
1149 free(afd->afhi.chunk_table);
1150 free(afd->afhi.info_string);
1151 osl_close_disk_object(&chunk_table_obj);
1152 return ret;
1153 }
1154
1155 static int ls_audio_format_compare(const void *a, const void *b)
1156 {
1157 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1158 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1159 }
1160
1161 static int ls_duration_compare(const void *a, const void *b)
1162 {
1163 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1164 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1165 }
1166
1167 static int ls_bitrate_compare(const void *a, const void *b)
1168 {
1169 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1170 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1171 }
1172
1173 static int ls_lyrics_id_compare(const void *a, const void *b)
1174 {
1175 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1176 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1177 }
1178
1179 static int ls_image_id_compare(const void *a, const void *b)
1180 {
1181 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1182 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1183 }
1184
1185 static int ls_channels_compare(const void *a, const void *b)
1186 {
1187 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1188 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1189 }
1190
1191 static int ls_frequency_compare(const void *a, const void *b)
1192 {
1193 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1194 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1195 }
1196
1197 static int ls_num_played_compare(const void *a, const void *b)
1198 {
1199 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1200 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1201 }
1202
1203 static int ls_last_played_compare(const void *a, const void *b)
1204 {
1205 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1206 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1207 }
1208
1209 static int ls_score_compare(const void *a, const void *b)
1210 {
1211 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1212 return NUM_COMPARE(d1->score, d2->score);
1213 }
1214
1215 static int ls_path_compare(const void *a, const void *b)
1216 {
1217 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1218 return strcmp(d1->path, d2->path);
1219 }
1220
1221 static int sort_matching_paths(struct ls_options *options)
1222 {
1223 size_t nmemb = options->num_matching_paths;
1224 size_t size = sizeof(*options->data_ptr);
1225 int (*compar)(const void *, const void *);
1226 int i;
1227
1228 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1229 for (i = 0; i < nmemb; i++)
1230 options->data_ptr[i] = options->data + i;
1231
1232 /* In these cases the array is already sorted */
1233 if (options->sorting == LS_SORT_BY_PATH
1234 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1235 && (options->flags & LS_FLAG_FULL_PATH))
1236 return 1;
1237 if (options->sorting == LS_SORT_BY_SCORE &&
1238 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1239 return 1;
1240
1241 switch (options->sorting) {
1242 case LS_SORT_BY_PATH:
1243 compar = ls_path_compare; break;
1244 case LS_SORT_BY_SCORE:
1245 compar = ls_score_compare; break;
1246 case LS_SORT_BY_LAST_PLAYED:
1247 compar = ls_last_played_compare; break;
1248 case LS_SORT_BY_NUM_PLAYED:
1249 compar = ls_num_played_compare; break;
1250 case LS_SORT_BY_FREQUENCY:
1251 compar = ls_frequency_compare; break;
1252 case LS_SORT_BY_CHANNELS:
1253 compar = ls_channels_compare; break;
1254 case LS_SORT_BY_IMAGE_ID:
1255 compar = ls_image_id_compare; break;
1256 case LS_SORT_BY_LYRICS_ID:
1257 compar = ls_lyrics_id_compare; break;
1258 case LS_SORT_BY_BITRATE:
1259 compar = ls_bitrate_compare; break;
1260 case LS_SORT_BY_DURATION:
1261 compar = ls_duration_compare; break;
1262 case LS_SORT_BY_AUDIO_FORMAT:
1263 compar = ls_audio_format_compare; break;
1264 default:
1265 return -E_BAD_SORT;
1266 }
1267 qsort(options->data_ptr, nmemb, size, compar);
1268 return 1;
1269 }
1270
1271 /* row is either an aft_row or a row of the score table */
1272 /* TODO: Only compute widths if we need them */
1273 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1274 {
1275 int ret, i;
1276 struct ls_options *options = ls_opts;
1277 struct ls_data *d;
1278 struct ls_widths *w;
1279 unsigned short num_digits;
1280 unsigned tmp;
1281 struct osl_row *aft_row;
1282 long score;
1283 char *path;
1284
1285 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1286 ret = get_score_and_aft_row(row, &score, &aft_row);
1287 if (ret < 0)
1288 return ret;
1289 } else
1290 aft_row = row;
1291 ret = get_audio_file_path_of_row(aft_row, &path);
1292 if (ret < 0)
1293 return ret;
1294 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1295 char *p = strrchr(path, '/');
1296 if (p)
1297 path = p + 1;
1298 }
1299 if (options->num_patterns) {
1300 for (i = 0; i < options->num_patterns; i++) {
1301 ret = fnmatch(options->patterns[i], path, 0);
1302 if (!ret)
1303 break;
1304 if (ret == FNM_NOMATCH)
1305 continue;
1306 return -E_FNMATCH;
1307 }
1308 if (i >= options->num_patterns) /* no match */
1309 return 1;
1310 }
1311 tmp = options->num_matching_paths++;
1312 if (options->num_matching_paths > options->array_size) {
1313 options->array_size++;
1314 options->array_size *= 2;
1315 options->data = para_realloc(options->data, options->array_size
1316 * sizeof(*options->data));
1317 }
1318 d = options->data + tmp;
1319 ret = get_afsi_of_row(aft_row, &d->afsi);
1320 if (ret < 0)
1321 return ret;
1322 ret = get_afhi_of_row(aft_row, &d->afhi);
1323 if (ret < 0)
1324 return ret;
1325 d->path = path;
1326 ret = get_hash_of_row(aft_row, &d->hash);
1327 if (ret < 0)
1328 goto err;
1329 w = &options->widths;
1330 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1331 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1332 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1333 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1334 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1335 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1336 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1337 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1338 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1339 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1340 /* get the number of chars to print this amount of time */
1341 num_digits = get_duration_width(d->afhi.seconds_total);
1342 w->duration_width = PARA_MAX(w->duration_width, num_digits);
1343 GET_NUM_DIGITS(d->afsi.amp, &num_digits);
1344 w->amp_width = PARA_MAX(w->amp_width, num_digits);
1345 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1346 GET_NUM_DIGITS(score, &num_digits);
1347 num_digits++; /* add one for the sign (space or "-") */
1348 w->score_width = PARA_MAX(w->score_width, num_digits);
1349 d->score = score;
1350 }
1351 return 1;
1352 err:
1353 free(d->afhi.info_string);
1354 return ret;
1355 }
1356
1357 static void com_ls_callback(int fd, const struct osl_object *query)
1358 {
1359 struct ls_options *opts = query->data;
1360 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1361 struct para_buffer b = {.max_size = SHMMAX,
1362 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1363 int i = 0, ret;
1364 time_t current_time;
1365
1366
1367 if (opts->num_patterns) {
1368 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1369 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1370 opts->patterns[i] = p;
1371 p += strlen(p) + 1;
1372 }
1373 } else
1374 opts->patterns = NULL;
1375 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1376 ret = admissible_file_loop(opts, prepare_ls_row);
1377 else
1378 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1379 prepare_ls_row);
1380 if (ret < 0)
1381 goto out;
1382 if (!opts->num_matching_paths)
1383 goto out;
1384 ret = sort_matching_paths(opts);
1385 if (ret < 0)
1386 goto out;
1387 time(&current_time);
1388 if (opts->flags & LS_FLAG_REVERSE)
1389 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1390 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1391 if (ret < 0)
1392 goto out;
1393 }
1394 else
1395 for (i = 0; i < opts->num_matching_paths; i++) {
1396 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1397 if (ret < 0)
1398 goto out;
1399 }
1400 out:
1401 if (b.offset)
1402 pass_buffer_as_shm(b.buf, b.offset, &fd);
1403 free(b.buf);
1404 free(opts->data);
1405 free(opts->data_ptr);
1406 free(opts->patterns);
1407 }
1408
1409 /*
1410 * TODO: flags -h (sort by hash)
1411 */
1412 int com_ls(int fd, int argc, char * const * const argv)
1413 {
1414 int i, ret;
1415 unsigned flags = 0;
1416 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1417 enum ls_listing_mode mode = LS_MODE_SHORT;
1418 struct ls_options opts = {.patterns = NULL};
1419 struct osl_object query = {.data = &opts, .size = sizeof(opts)};
1420
1421 for (i = 1; i < argc; i++) {
1422 const char *arg = argv[i];
1423 if (arg[0] != '-')
1424 break;
1425 if (!strcmp(arg, "--")) {
1426 i++;
1427 break;
1428 }
1429 if (!strncmp(arg, "-l", 2)) {
1430 if (!*(arg + 2)) {
1431 mode = LS_MODE_LONG;
1432 continue;
1433 }
1434 if (*(arg + 3))
1435 return -E_AFT_SYNTAX;
1436 switch(*(arg + 2)) {
1437 case 's':
1438 mode = LS_MODE_SHORT;
1439 continue;
1440 case 'l':
1441 mode = LS_MODE_LONG;
1442 continue;
1443 case 'v':
1444 mode = LS_MODE_VERBOSE;
1445 continue;
1446 case 'm':
1447 mode = LS_MODE_MBOX;
1448 continue;
1449 case 'c':
1450 mode = LS_MODE_CHUNKS;
1451 continue;
1452 default:
1453 return -E_AFT_SYNTAX;
1454 }
1455 }
1456 if (!strcmp(arg, "-p")) {
1457 flags |= LS_FLAG_FULL_PATH;
1458 continue;
1459 }
1460 if (!strcmp(arg, "-a")) {
1461 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1462 continue;
1463 }
1464 if (!strcmp(arg, "-r")) {
1465 flags |= LS_FLAG_REVERSE;
1466 continue;
1467 }
1468 if (!strcmp(arg, "-d")) {
1469 flags |= LS_FLAG_UNIXDATE;
1470 continue;
1471 }
1472 if (!strncmp(arg, "-s", 2)) {
1473 if (!*(arg + 2) || *(arg + 3))
1474 return -E_AFT_SYNTAX;
1475 switch(*(arg + 2)) {
1476 case 'p':
1477 sort = LS_SORT_BY_PATH;
1478 continue;
1479 case 's': /* -ss implies -a */
1480 sort = LS_SORT_BY_SCORE;
1481 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1482 continue;
1483 case 'l':
1484 sort = LS_SORT_BY_LAST_PLAYED;
1485 continue;
1486 case 'n':
1487 sort = LS_SORT_BY_NUM_PLAYED;
1488 continue;
1489 case 'f':
1490 sort = LS_SORT_BY_FREQUENCY;
1491 continue;
1492 case 'c':
1493 sort = LS_SORT_BY_CHANNELS;
1494 continue;
1495 case 'i':
1496 sort = LS_SORT_BY_IMAGE_ID;
1497 continue;
1498 case 'y':
1499 sort = LS_SORT_BY_LYRICS_ID;
1500 continue;
1501 case 'b':
1502 sort = LS_SORT_BY_BITRATE;
1503 continue;
1504 case 'd':
1505 sort = LS_SORT_BY_DURATION;
1506 continue;
1507 case 'a':
1508 sort = LS_SORT_BY_AUDIO_FORMAT;
1509 continue;
1510 default:
1511 return -E_AFT_SYNTAX;
1512 }
1513 }
1514 return -E_AFT_SYNTAX;
1515 }
1516 opts.flags = flags;
1517 opts.sorting = sort;
1518 opts.mode = mode;
1519 opts.num_patterns = argc - i;
1520 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1521 argv + i, com_ls_callback, send_result, &fd);
1522 return ret;
1523 }
1524
1525 /**
1526 * Call the given function for each file in the audio file table.
1527 *
1528 * \param private_data An arbitrary data pointer, passed to \a func.
1529 * \param func The custom function to be called.
1530 *
1531 * \return The return value of the underlying call to osl_rbtree_loop().
1532 */
1533 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1534 {
1535 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1536 func);
1537 }
1538
1539 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1540 {
1541 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1542 struct osl_row *row;
1543
1544 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1545 return row;
1546 }
1547
1548 /** The format of the data stored by save_audio_file_data(). */
1549 enum com_add_buffer_offsets {
1550 /** afhi (if present) starts here. */
1551 CAB_AFHI_OFFSET_POS = 0,
1552 /** Start of the chunk table (if present). */
1553 CAB_CHUNKS_OFFSET_POS = 2,
1554 /** Audio format id. */
1555 CAB_AUDIO_FORMAT_OFFSET = 4,
1556 /** Flags given to the add command. */
1557 CAB_FLAGS_OFFSET = 5,
1558 /** The hash of the audio file being added. */
1559 CAB_HASH_OFFSET = 9,
1560 /** Start of the path of the audio file. */
1561 CAB_PATH_OFFSET = (CAB_HASH_OFFSET + HASH_SIZE),
1562 };
1563
1564 /*
1565 * Store the given data to a single buffer. Doesn't need the audio file selector
1566 * info struct as the server knows it as well.
1567 *
1568 * It's OK to call this with afhi == NULL. In this case, the audio format
1569 * handler info won't be stored in the buffer.
1570 */
1571 static void save_add_callback_buffer(HASH_TYPE *hash, const char *path,
1572 struct afh_info *afhi, uint32_t flags,
1573 uint8_t audio_format_num, struct osl_object *obj)
1574 {
1575 size_t path_len = strlen(path) + 1;
1576 size_t afhi_size = sizeof_afhi_buf(afhi);
1577 size_t size = CAB_PATH_OFFSET + path_len + afhi_size
1578 + sizeof_chunk_table(afhi);
1579 char *buf = para_malloc(size);
1580 uint16_t pos;
1581
1582 write_u8(buf + CAB_AUDIO_FORMAT_OFFSET, audio_format_num);
1583 write_u32(buf + CAB_FLAGS_OFFSET, flags);
1584
1585 memcpy(buf + CAB_HASH_OFFSET, hash, HASH_SIZE);
1586 strcpy(buf + CAB_PATH_OFFSET, path);
1587
1588 pos = CAB_PATH_OFFSET + path_len;
1589 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1590 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1591 pos + afhi_size - 1);
1592 write_u16(buf + CAB_AFHI_OFFSET_POS, pos);
1593 save_afhi(afhi, buf + pos);
1594
1595 pos += afhi_size;
1596 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1597 write_u16(buf + CAB_CHUNKS_OFFSET_POS, pos);
1598 if (afhi)
1599 save_chunk_table(afhi, buf + pos);
1600 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1601 obj->data = buf;
1602 obj->size = size;
1603 }
1604
1605 /*
1606
1607 Overview of the add command.
1608
1609 Input: What was passed to the callback by the command handler.
1610 ~~~~~~
1611 HS: Hash sister. Whether an audio file with identical hash
1612 already exists in the osl database.
1613
1614 PB: Path brother. Whether a file with the given path exists
1615 in the table.
1616
1617 F: Force flag given. Whether add was called with -f.
1618
1619 output: Action performed by the callback.
1620 ~~~~~~~
1621 AFHI: Whether afhi and chunk table are computed and sent.
1622 ACTION: Table modifications to be done by the callback.
1623
1624 +----+----+---+------+---------------------------------------------------+
1625 | HS | PB | F | AFHI | ACTION
1626 +----+----+---+------+---------------------------------------------------+
1627 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1628 | | update path, keep afsi
1629 +----+----+---+------+---------------------------------------------------+
1630 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1631 | | otherwise: remove PB, HS: update path, keep afhi,
1632 | | afsi.
1633 +----+----+---+------+---------------------------------------------------+
1634 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1635 | | HS, keep afsi
1636 +----+----+---+------+---------------------------------------------------+
1637 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1638 +----+----+---+------+---------------------------------------------------+
1639 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1640 | | (force has no effect)
1641 +----+----+---+------+---------------------------------------------------+
1642 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1643 +----+----+---+------+---------------------------------------------------+
1644 | N | N | Y | Y | (new file) create new entry (force has no effect)
1645 +----+----+---+------+---------------------------------------------------+
1646 | N | N | N | Y | (new file) create new entry
1647 +----+----+---+------+---------------------------------------------------+
1648
1649 Notes:
1650
1651 afhi <=> force or no HS
1652 F => AFHI
1653
1654 */
1655
1656 /** Flags passed to the add command. */
1657 enum com_add_flags {
1658 /** Skip paths that exist already. */
1659 ADD_FLAG_LAZY = 1,
1660 /** Force adding. */
1661 ADD_FLAG_FORCE = 2,
1662 /** Print what is being done. */
1663 ADD_FLAG_VERBOSE = 4,
1664 /** Try to add files with unknown suffixes. */
1665 ADD_FLAG_ALL = 8,
1666 };
1667
1668 static void com_add_callback(int fd, const struct osl_object *query)
1669 {
1670 char *buf = query->data, *path;
1671 struct osl_row *pb, *aft_row;
1672 struct osl_row *hs;
1673 struct osl_object objs[NUM_AFT_COLUMNS];
1674 HASH_TYPE *hash;
1675 char asc[2 * HASH_SIZE + 1];
1676 int ret;
1677 char afsi_buf[AFSI_SIZE];
1678 uint32_t flags = read_u32(buf + CAB_FLAGS_OFFSET);
1679 struct afs_info default_afsi = {.last_played = 0};
1680 struct para_buffer msg = {.max_size = SHMMAX,
1681 .max_size_handler = pass_buffer_as_shm, .private_data = &fd};
1682 uint16_t afhi_offset, chunks_offset;
1683
1684 hash = (HASH_TYPE *)buf + CAB_HASH_OFFSET;
1685 hash_to_asc(hash, asc);;
1686 objs[AFTCOL_HASH].data = buf + CAB_HASH_OFFSET;
1687 objs[AFTCOL_HASH].size = HASH_SIZE;
1688
1689 path = buf + CAB_PATH_OFFSET;
1690 objs[AFTCOL_PATH].data = path;
1691 objs[AFTCOL_PATH].size = strlen(path) + 1;
1692
1693 PARA_INFO_LOG("request to add %s\n", path);
1694 hs = find_hash_sister(hash);
1695 ret = aft_get_row_of_path(path, &pb);
1696 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1697 goto out;
1698 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1699 if (flags & ADD_FLAG_VERBOSE)
1700 ret = para_printf(&msg, "ignoring duplicate\n");
1701 else
1702 ret = 1;
1703 goto out;
1704 }
1705 if (hs && hs != pb) {
1706 struct osl_object obj;
1707 if (pb) { /* hs trumps pb, remove pb */
1708 if (flags & ADD_FLAG_VERBOSE) {
1709 ret = para_printf(&msg, "removing path brother\n");
1710 if (ret < 0)
1711 goto out;
1712 }
1713 ret = osl_del_row(audio_file_table, pb);
1714 if (ret < 0)
1715 goto out;
1716 pb = NULL;
1717 }
1718 /* file rename, update hs' path */
1719 if (flags & ADD_FLAG_VERBOSE) {
1720 ret = osl_get_object(audio_file_table, hs,
1721 AFTCOL_PATH, &obj);
1722 if (ret < 0)
1723 goto out;
1724 ret = para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1725 if (ret < 0)
1726 goto out;
1727 }
1728 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1729 &objs[AFTCOL_PATH]);
1730 if (ret < 0)
1731 goto out;
1732 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1733 if (!(flags & ADD_FLAG_FORCE))
1734 goto out;
1735 }
1736 /* no hs or force mode, child must have sent afhi */
1737 afhi_offset = read_u16(buf + CAB_AFHI_OFFSET_POS);
1738 chunks_offset = read_u16(buf + CAB_CHUNKS_OFFSET_POS);
1739
1740 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1741 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1742 ret = -E_NO_AFHI;
1743 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1744 goto out;
1745 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1746 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1747 if (pb && !hs) { /* update pb's hash */
1748 char old_asc[2 * HASH_SIZE + 1];
1749 HASH_TYPE *old_hash;
1750 ret = get_hash_of_row(pb, &old_hash);
1751 if (ret < 0)
1752 goto out;
1753 hash_to_asc(old_hash, old_asc);
1754 if (flags & ADD_FLAG_VERBOSE) {
1755 ret = para_printf(&msg, "file change: %s -> %s\n",
1756 old_asc, asc);
1757 if (ret < 0)
1758 goto out;
1759 }
1760 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1761 &objs[AFTCOL_HASH]);
1762 if (ret < 0)
1763 goto out;
1764 }
1765 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1766 struct osl_row *row = pb? pb : hs;
1767 /* update afhi and chunk_table */
1768 if (flags & ADD_FLAG_VERBOSE) {
1769 ret = para_printf(&msg, "updating afhi and chunk table\n");
1770 if (ret < 0)
1771 goto out;
1772 }
1773 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1774 &objs[AFTCOL_AFHI]);
1775 if (ret < 0)
1776 goto out;
1777 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1778 &objs[AFTCOL_CHUNKS]);
1779 if (ret < 0)
1780 goto out;
1781 afs_event(AFHI_CHANGE, &msg, row);
1782 goto out;
1783 }
1784 /* new entry, use default afsi */
1785 if (flags & ADD_FLAG_VERBOSE) {
1786 ret = para_printf(&msg, "new file\n");
1787 if (ret < 0)
1788 goto out;
1789 }
1790 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1791 default_afsi.audio_format_id = read_u8(buf + CAB_AUDIO_FORMAT_OFFSET);
1792
1793 objs[AFTCOL_AFSI].data = &afsi_buf;
1794 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1795 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1796 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1797 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1798 out:
1799 if (ret < 0)
1800 para_printf(&msg, "%s\n", para_strerror(-ret));
1801 if (msg.offset)
1802 pass_buffer_as_shm(msg.buf, msg.offset, &fd);
1803 free(msg.buf);
1804 }
1805
1806 /** Used by com_add(). */
1807 struct private_add_data {
1808 /** The socket file descriptor. */
1809 int fd;
1810 /** The given add flags. */
1811 uint32_t flags;
1812 };
1813
1814 static void path_brother_callback(int fd, const struct osl_object *query)
1815 {
1816 char *path = query->data;
1817 struct osl_row *path_brother;
1818 int ret = aft_get_row_of_path(path, &path_brother);
1819 if (ret < 0)
1820 return;
1821 pass_buffer_as_shm((char *)&path_brother, sizeof(path_brother), &fd);
1822 }
1823
1824 static void hash_sister_callback(int fd, const struct osl_object *query)
1825 {
1826 HASH_TYPE *hash = query->data;
1827 struct osl_row *hash_sister;
1828
1829 hash_sister = find_hash_sister(hash);
1830 if (!hash_sister)
1831 return;
1832 pass_buffer_as_shm((char *)&hash_sister, sizeof(hash_sister), &fd);
1833 }
1834
1835 static int get_row_pointer_from_result(struct osl_object *result, void *private)
1836 {
1837 struct osl_row **row = private;
1838 *row = result->data;
1839 return 1;
1840 }
1841
1842 static int add_one_audio_file(const char *path, void *private_data)
1843 {
1844 int ret, send_ret = 1, fd;
1845 uint8_t format_num = -1;
1846 struct private_add_data *pad = private_data;
1847 struct afh_info afhi, *afhi_ptr = NULL;
1848 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1849 struct osl_object map, obj = {.data = NULL}, query;
1850 HASH_TYPE hash[HASH_SIZE];
1851
1852 ret = guess_audio_format(path);
1853 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1854 goto out_free;
1855 query.data = (char *)path;
1856 query.size = strlen(path) + 1;
1857 ret = send_callback_request(path_brother_callback, &query,
1858 get_row_pointer_from_result, &pb);
1859 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1860 goto out_free;
1861 ret = 1;
1862 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1863 if (pad->flags & ADD_FLAG_VERBOSE)
1864 send_ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1865 goto out_free;
1866 }
1867 /* We still want to add this file. Compute its hash. */
1868 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, &fd);
1869 if (ret < 0)
1870 goto out_free;
1871 hash_function(map.data, map.size, hash);
1872
1873 /* Check whether the database contains a file with the same hash. */
1874 query.data = hash;
1875 query.size = HASH_SIZE;
1876 ret = send_callback_request(hash_sister_callback, &query,
1877 get_row_pointer_from_result, &hs);
1878 if (ret < 0)
1879 goto out_unmap;
1880 /* Return success if we already know this file. */
1881 ret = 1;
1882 if (pb && hs && hs == pb && !(pad->flags & ADD_FLAG_FORCE)) {
1883 if (pad->flags & ADD_FLAG_VERBOSE)
1884 send_ret = send_va_buffer(pad->fd,
1885 "%s exists, not forcing update\n", path);
1886 goto out_unmap;
1887 }
1888 /*
1889 * We won't recalculate the audio format info and the chunk table if
1890 * there is a hash sister and FORCE was not given.
1891 */
1892 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1893 ret = compute_afhi(path, map.data, map.size, fd, &afhi);
1894 if (ret < 0)
1895 goto out_unmap;
1896 format_num = ret;
1897 afhi_ptr = &afhi;
1898 }
1899 munmap(map.data, map.size);
1900 close(fd);
1901 if (pad->flags & ADD_FLAG_VERBOSE) {
1902 send_ret = send_va_buffer(pad->fd, "adding %s\n", path);
1903 if (send_ret < 0)
1904 goto out_free;
1905 }
1906 save_add_callback_buffer(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1907 /* Ask afs to consider this entry for adding. */
1908 ret = send_callback_request(com_add_callback, &obj, send_result, &pad->fd);
1909 goto out_free;
1910
1911 out_unmap:
1912 close(fd);
1913 munmap(map.data, map.size);
1914 out_free:
1915 if (ret < 0 && send_ret >= 0)
1916 send_ret = send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1917 para_strerror(-ret));
1918 free(obj.data);
1919 if (afhi_ptr) {
1920 free(afhi_ptr->chunk_table);
1921 free(afhi_ptr->info_string);
1922 }
1923 /* Stop adding files only on send errors. */
1924 return send_ret;
1925 }
1926
1927 int com_add(int fd, int argc, char * const * const argv)
1928 {
1929 int i, ret;
1930 struct private_add_data pad = {.fd = fd, .flags = 0};
1931 struct stat statbuf;
1932
1933 for (i = 1; i < argc; i++) {
1934 const char *arg = argv[i];
1935 if (arg[0] != '-')
1936 break;
1937 if (!strcmp(arg, "--")) {
1938 i++;
1939 break;
1940 }
1941 if (!strcmp(arg, "-a")) {
1942 pad.flags |= ADD_FLAG_ALL;
1943 continue;
1944 }
1945 if (!strcmp(arg, "-l")) {
1946 pad.flags |= ADD_FLAG_LAZY;
1947 continue;
1948 }
1949 if (!strcmp(arg, "-f")) {
1950 pad.flags |= ADD_FLAG_FORCE;
1951 continue;
1952 }
1953 if (!strcmp(arg, "-v")) {
1954 pad.flags |= ADD_FLAG_VERBOSE;
1955 continue;
1956 }
1957 }
1958 if (argc <= i)
1959 return -E_AFT_SYNTAX;
1960 for (; i < argc; i++) {
1961 char *path;
1962 ret = verify_path(argv[i], &path);
1963 if (ret < 0) {
1964 ret = send_va_buffer(fd, "%s: %s\n", argv[i],
1965 para_strerror(-ret));
1966 if (ret < 0)
1967 return ret;
1968 continue;
1969 }
1970 ret = stat(path, &statbuf);
1971 if (ret < 0) {
1972 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1973 strerror(errno));
1974 free(path);
1975 if (ret < 0)
1976 return ret;
1977 continue;
1978 }
1979 if (S_ISDIR(statbuf.st_mode))
1980 ret = for_each_file_in_dir(path, add_one_audio_file,
1981 &pad);
1982 else
1983 ret = add_one_audio_file(path, &pad);
1984 if (ret < 0) {
1985 send_va_buffer(fd, "%s: %s\n", path, para_strerror(-ret));
1986 free(path);
1987 return ret;
1988 }
1989 free(path);
1990 }
1991 return 1;
1992
1993 }
1994
1995 /**
1996 * Flags used by the touch command.
1997 *
1998 * \sa com_touch().
1999 */
2000 enum touch_flags {
2001 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
2002 TOUCH_FLAG_FNM_PATHNAME = 1,
2003 /** Activates verbose mode. */
2004 TOUCH_FLAG_VERBOSE = 2
2005 };
2006
2007 /** Options used by com_touch(). */
2008 struct com_touch_options {
2009 /** New num_played value. */
2010 int32_t num_played;
2011 /** New last played count. */
2012 int64_t last_played;
2013 /** New lyrics id. */
2014 int32_t lyrics_id;
2015 /** New image id. */
2016 int32_t image_id;
2017 /** New amplification value. */
2018 int32_t amp;
2019 /** Command line flags (see \ref touch_flags). */
2020 unsigned flags;
2021 };
2022
2023 /** Data passed to the action handler of com_touch(). */
2024 struct touch_action_data {
2025 /** Command line options (see \ref com_touch_options). */
2026 struct com_touch_options *cto;
2027 /** Message buffer. */
2028 struct para_buffer pb;
2029 /** How many audio files matched the given pattern. */
2030 unsigned num_matches;
2031 };
2032
2033 static int touch_audio_file(__a_unused struct osl_table *table,
2034 struct osl_row *row, const char *name, void *data)
2035 {
2036 struct touch_action_data *tad = data;
2037 struct osl_object obj;
2038 struct afs_info old_afsi, new_afsi;
2039 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
2040 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0 && tad->cto->amp < 0;
2041 struct afsi_change_event_data aced;
2042
2043 ret = get_afsi_object_of_row(row, &obj);
2044 if (ret < 0)
2045 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
2046 ret = load_afsi(&old_afsi, &obj);
2047 if (ret < 0)
2048 return para_printf(&tad->pb, "%s: %s\n", name, para_strerror(-ret));
2049 new_afsi = old_afsi;
2050 if (no_options) {
2051 new_afsi.num_played++;
2052 new_afsi.last_played = time(NULL);
2053 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
2054 ret = para_printf(&tad->pb, "%s: num_played = %u, "
2055 "last_played = now()\n", name,
2056 new_afsi.num_played);
2057 if (ret < 0)
2058 return ret;
2059 }
2060 } else {
2061 if (tad->cto->flags & TOUCH_FLAG_VERBOSE) {
2062 ret = para_printf(&tad->pb, "touching %s\n", name);
2063 if (ret < 0)
2064 return ret;
2065 }
2066 if (tad->cto->lyrics_id >= 0)
2067 new_afsi.lyrics_id = tad->cto->lyrics_id;
2068 if (tad->cto->image_id >= 0)
2069 new_afsi.image_id = tad->cto->image_id;
2070 if (tad->cto->num_played >= 0)
2071 new_afsi.num_played = tad->cto->num_played;
2072 if (tad->cto->last_played >= 0)
2073 new_afsi.last_played = tad->cto->last_played;
2074 if (tad->cto->amp >= 0)
2075 new_afsi.amp = tad->cto->amp;
2076 }
2077 tad->num_matches++;
2078 save_afsi(&new_afsi, &obj); /* in-place update */
2079 aced.aft_row = row;
2080 aced.old_afsi = &old_afsi;
2081 afs_event(AFSI_CHANGE, &tad->pb, &aced);
2082 return 1;
2083 }
2084
2085 static void com_touch_callback(int fd, const struct osl_object *query)
2086 {
2087 struct touch_action_data tad = {.cto = query->data,
2088 .pb = {
2089 .max_size = SHMMAX,
2090 .private_data = &fd,
2091 .max_size_handler = pass_buffer_as_shm
2092 }
2093 };
2094 int ret, ret2 = 0;
2095 struct pattern_match_data pmd = {
2096 .table = audio_file_table,
2097 .loop_col_num = AFTCOL_HASH,
2098 .match_col_num = AFTCOL_PATH,
2099 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
2100 .size = query->size - sizeof(*tad.cto)},
2101 .data = &tad,
2102 .action = touch_audio_file
2103 };
2104 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
2105 pmd.fnmatch_flags |= FNM_PATHNAME;
2106 ret = for_each_matching_row(&pmd);
2107 if (ret < 0)
2108 ret2 = para_printf(&tad.pb, "%s\n", para_strerror(-ret));
2109 else
2110 if (!tad.num_matches)
2111 ret2 = para_printf(&tad.pb, "no matches\n");
2112 if (ret2 >= 0 && tad.pb.offset)
2113 pass_buffer_as_shm(tad.pb.buf, tad.pb.offset, &fd);
2114 free(tad.pb.buf);
2115 }
2116
2117 int com_touch(int fd, int argc, char * const * const argv)
2118 {
2119 struct com_touch_options cto = {
2120 .num_played = -1,
2121 .last_played = -1,
2122 .lyrics_id = -1,
2123 .image_id = -1,
2124 .amp = -1,
2125 };
2126 struct osl_object query = {.data = &cto, .size = sizeof(cto)};
2127 int i, ret;
2128
2129
2130 for (i = 1; i < argc; i++) {
2131 const char *arg = argv[i];
2132 if (arg[0] != '-')
2133 break;
2134 if (!strcmp(arg, "--")) {
2135 i++;
2136 break;
2137 }
2138 if (!strncmp(arg, "-n", 2)) {
2139 ret = para_atoi32(arg + 2, &cto.num_played);
2140 if (ret < 0)
2141 return ret;
2142 continue;
2143 }
2144 if (!strncmp(arg, "-l", 2)) {
2145 ret = para_atoi64(arg + 2, &cto.last_played);
2146 if (ret < 0)
2147 return ret;
2148 continue;
2149 }
2150 if (!strncmp(arg, "-y", 2)) {
2151 ret = para_atoi32(arg + 2, &cto.lyrics_id);
2152 if (ret < 0)
2153 return ret;
2154 continue;
2155 }
2156 if (!strncmp(arg, "-i", 2)) {
2157 ret = para_atoi32(arg + 2, &cto.image_id);
2158 if (ret < 0)
2159 return ret;
2160 continue;
2161 }
2162 if (!strncmp(arg, "-a", 2)) {
2163 int32_t val;
2164 ret = para_atoi32(arg + 2, &val);
2165 if (ret < 0)
2166 return ret;
2167 if (val < 0 || val > 255)
2168 return -ERRNO_TO_PARA_ERROR(EINVAL);
2169 cto.amp = val;
2170 continue;
2171 }
2172 if (!strcmp(arg, "-p")) {
2173 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
2174 continue;
2175 }
2176 if (!strcmp(arg, "-v")) {
2177 cto.flags |= TOUCH_FLAG_VERBOSE;
2178 continue;
2179 }
2180 break; /* non-option starting with dash */
2181 }
2182 if (i >= argc)
2183 return -E_AFT_SYNTAX;
2184 ret = send_option_arg_callback_request(&query, argc - i,
2185 argv + i, com_touch_callback, send_result, &fd);
2186 if (ret < 0)
2187 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2188 return ret;
2189 }
2190
2191 /** Flags for com_rm(). */
2192 enum rm_flags {
2193 /** -v */
2194 RM_FLAG_VERBOSE = 1,
2195 /** -f */
2196 RM_FLAG_FORCE = 2,
2197 /** -p */
2198 RM_FLAG_FNM_PATHNAME = 4
2199 };
2200
2201 /** Data passed to the action handler of com_rm(). */
2202 struct com_rm_action_data {
2203 /** Command line flags ((see \ref rm_flags). */
2204 uint32_t flags;
2205 /** Message buffer. */
2206 struct para_buffer pb;
2207 /** Number of audio files removed. */
2208 unsigned num_removed;
2209 };
2210
2211 static int remove_audio_file(__a_unused struct osl_table *table,
2212 struct osl_row *row, const char *name, void *data)
2213 {
2214 struct com_rm_action_data *crd = data;
2215 int ret;
2216
2217 if (crd->flags & RM_FLAG_VERBOSE) {
2218 ret = para_printf(&crd->pb, "removing %s\n", name);
2219 if (ret < 0)
2220 return ret;
2221 }
2222 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2223 ret = osl_del_row(audio_file_table, row);
2224 if (ret < 0)
2225 para_printf(&crd->pb, "%s: %s\n", name, para_strerror(-ret));
2226 else
2227 crd->num_removed++;
2228 return ret;
2229 }
2230
2231 static void com_rm_callback(int fd, const struct osl_object *query)
2232 {
2233 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data,
2234 .pb = {
2235 .max_size = SHMMAX,
2236 .private_data = &fd,
2237 .max_size_handler = pass_buffer_as_shm
2238 }
2239 };
2240 int ret;
2241 struct pattern_match_data pmd = {
2242 .table = audio_file_table,
2243 .loop_col_num = AFTCOL_HASH,
2244 .match_col_num = AFTCOL_PATH,
2245 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2246 .size = query->size - sizeof(uint32_t)},
2247 .data = &crd,
2248 .action = remove_audio_file
2249 };
2250 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2251 pmd.fnmatch_flags |= FNM_PATHNAME;
2252 ret = for_each_matching_row(&pmd);
2253 if (ret < 0) {
2254 para_printf(&crd.pb, "%s\n", para_strerror(-ret));
2255 return;
2256 }
2257 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2258 ret = para_printf(&crd.pb, "no matches -- nothing removed\n");
2259 else {
2260 if (crd.flags & RM_FLAG_VERBOSE)
2261 ret = para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2262 }
2263 if (ret >= 0 && crd.pb.offset)
2264 pass_buffer_as_shm(crd.pb.buf, crd.pb.offset, &fd);
2265 free(crd.pb.buf);
2266 }
2267
2268 /* TODO options: -r (recursive) */
2269 int com_rm(int fd, int argc, char * const * const argv)
2270 {
2271 uint32_t flags = 0;
2272 struct osl_object query = {.data = &flags, .size = sizeof(flags)};
2273 int i, ret;
2274
2275 for (i = 1; i < argc; i++) {
2276 const char *arg = argv[i];
2277 if (arg[0] != '-')
2278 break;
2279 if (!strcmp(arg, "--")) {
2280 i++;
2281 break;
2282 }
2283 if (!strcmp(arg, "-f")) {
2284 flags |= RM_FLAG_FORCE;
2285 continue;
2286 }
2287 if (!strcmp(arg, "-p")) {
2288 flags |= RM_FLAG_FNM_PATHNAME;
2289 continue;
2290 }
2291 if (!strcmp(arg, "-v")) {
2292 flags |= RM_FLAG_VERBOSE;
2293 continue;
2294 }
2295 break;
2296 }
2297 if (i >= argc)
2298 return -E_AFT_SYNTAX;
2299 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2300 com_rm_callback, send_result, &fd);
2301 if (ret < 0)
2302 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2303 return ret;
2304 }
2305
2306 /**
2307 * Flags used by the cpsi command.
2308 *
2309 * \sa com_cpsi().
2310 */
2311 enum cpsi_flags {
2312 /** Whether the lyrics id should be copied. */
2313 CPSI_FLAG_COPY_LYRICS_ID = 1,
2314 /** Whether the image id should be copied. */
2315 CPSI_FLAG_COPY_IMAGE_ID = 2,
2316 /** Whether the lastplayed time should be copied. */
2317 CPSI_FLAG_COPY_LASTPLAYED = 4,
2318 /** Whether the numplayed count should be copied. */
2319 CPSI_FLAG_COPY_NUMPLAYED = 8,
2320 /** Whether the attributes should be copied. */
2321 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2322 /** Activates verbose mode. */
2323 CPSI_FLAG_VERBOSE = 32,
2324 };
2325
2326 /** Data passed to the action handler of com_cpsi(). */
2327 struct cpsi_action_data {
2328 /** command line flags (see \ref cpsi_flags). */
2329 unsigned flags;
2330 /** Number of audio files changed. */
2331 unsigned num_copied;
2332 /** Message buffer. */
2333 struct para_buffer pb;
2334 /** Values are copied from here. */
2335 struct afs_info source_afsi;
2336 };
2337
2338 static int copy_selector_info(__a_unused struct osl_table *table,
2339 struct osl_row *row, const char *name, void *data)
2340 {
2341 struct cpsi_action_data *cad = data;
2342 struct osl_object target_afsi_obj;
2343 int ret;
2344 struct afs_info old_afsi, target_afsi;
2345 struct afsi_change_event_data aced;
2346
2347 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2348 if (ret < 0)
2349 return ret;
2350 load_afsi(&target_afsi, &target_afsi_obj);
2351 old_afsi = target_afsi;
2352 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2353 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2354 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2355 target_afsi.image_id = cad->source_afsi.image_id;
2356 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2357 target_afsi.last_played = cad->source_afsi.last_played;
2358 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2359 target_afsi.num_played = cad->source_afsi.num_played;
2360 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2361 target_afsi.attributes = cad->source_afsi.attributes;
2362 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2363 cad->num_copied++;
2364 if (cad->flags & CPSI_FLAG_VERBOSE) {
2365 ret = para_printf(&cad->pb, "copied afsi to %s\n", name);
2366 if (ret < 0)
2367 return ret;
2368 }
2369 aced.aft_row = row;
2370 aced.old_afsi = &old_afsi;
2371 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2372 return 1;
2373 }
2374
2375 static void com_cpsi_callback(int fd, const struct osl_object *query)
2376 {
2377 struct cpsi_action_data cad = {
2378 .flags = *(unsigned *)query->data,
2379 .pb = {
2380 .max_size = SHMMAX,
2381 .private_data = &fd,
2382 .max_size_handler = pass_buffer_as_shm
2383 }
2384 };
2385 int ret;
2386 char *source_path = (char *)query->data + sizeof(cad.flags);
2387 struct pattern_match_data pmd = {
2388 .table = audio_file_table,
2389 .loop_col_num = AFTCOL_HASH,
2390 .match_col_num = AFTCOL_PATH,
2391 .patterns = {.data = source_path + strlen(source_path) + 1,
2392 .size = query->size - sizeof(cad.flags)
2393 - strlen(source_path) - 1},
2394 .data = &cad,
2395 .action = copy_selector_info
2396 };
2397
2398 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2399 if (ret < 0)
2400 goto out;
2401 ret = for_each_matching_row(&pmd);
2402 out:
2403 if (ret < 0)
2404 para_printf(&cad.pb, "%s\n", para_strerror(-ret));
2405 else if (cad.flags & CPSI_FLAG_VERBOSE) {
2406 if (cad.num_copied)
2407 para_printf(&cad.pb, "copied requested afsi from %s "
2408 "to %u files\n", source_path, cad.num_copied);
2409 else
2410 para_printf(&cad.pb, "nothing copied\n");
2411 }
2412 if (cad.pb.offset)
2413 pass_buffer_as_shm(cad.pb.buf, cad.pb.offset, &fd);
2414 free(cad.pb.buf);
2415 }
2416
2417 int com_cpsi(int fd, int argc, char * const * const argv)
2418 {
2419 unsigned flags = 0;
2420 int i, ret;
2421 struct osl_object options = {.data = &flags, .size = sizeof(flags)};
2422
2423 for (i = 1; i < argc; i++) {
2424 const char *arg = argv[i];
2425 if (arg[0] != '-')
2426 break;
2427 if (!strcmp(arg, "--")) {
2428 i++;
2429 break;
2430 }
2431 if (!strcmp(arg, "-y")) {
2432 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2433 continue;
2434 }
2435 if (!strcmp(arg, "-i")) {
2436 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2437 continue;
2438 }
2439 if (!strcmp(arg, "-l")) {
2440 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2441 continue;
2442 }
2443 if (!strcmp(arg, "-n")) {
2444 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2445 continue;
2446 }
2447 if (!strcmp(arg, "-a")) {
2448 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2449 continue;
2450 }
2451 if (!strcmp(arg, "-v")) {
2452 flags |= CPSI_FLAG_VERBOSE;
2453 continue;
2454 }
2455 break;
2456 }
2457 if (i + 1 >= argc) /* need at least souce file and pattern */
2458 return -E_AFT_SYNTAX;
2459 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2460 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2461 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2462 com_cpsi_callback, send_result, &fd);
2463 if (ret < 0)
2464 send_va_buffer(fd, "%s\n", para_strerror(-ret));
2465 return ret;
2466 }
2467
2468 /* TODO: optionally fix problems by removing offending rows */
2469 static int check_audio_file(struct osl_row *row, void *data)
2470 {
2471 char *path;
2472 struct para_buffer *pb = data;
2473 struct stat statbuf;
2474 int ret = get_audio_file_path_of_row(row, &path);
2475 struct afs_info afsi;
2476 char *blob_name;
2477
2478 if (ret < 0)
2479 return para_printf(pb, "%s\n", para_strerror(-ret));
2480 if (stat(path, &statbuf) < 0) {
2481 ret = para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2482 if (ret < 0)
2483 return ret;
2484 } else {
2485 if (!S_ISREG(statbuf.st_mode)) {
2486 ret = para_printf(pb, "%s: not a regular file\n", path);
2487 if (ret < 0)
2488 return ret;
2489 }
2490 }
2491 ret = get_afsi_of_row(row, &afsi);
2492 if (ret < 0)
2493 return para_printf(pb, "%s: %s\n", path, para_strerror(-ret));
2494 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2495 if (ret < 0) {
2496 ret = para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2497 para_strerror(-ret));
2498 if (ret < 0)
2499 return ret;
2500 }
2501 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2502 if (ret < 0)
2503 ret = para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2504 para_strerror(-ret));
2505 return ret;
2506 }
2507
2508 /**
2509 * Check the audio file table for inconsistencies.
2510 *
2511 * \param fd The afs socket.
2512 * \param query Unused.
2513 *
2514 * This function always succeeds.
2515 *
2516 * \sa com_check().
2517 */
2518 void aft_check_callback(int fd, __a_unused const struct osl_object *query)
2519 {
2520 struct para_buffer pb = {
2521 .max_size = SHMMAX,
2522 .private_data = &fd,
2523 .max_size_handler = pass_buffer_as_shm
2524 };
2525 int ret = para_printf(&pb, "checking audio file table...\n");
2526
2527 if (ret < 0)
2528 return;
2529 audio_file_loop(&pb, check_audio_file);
2530 if (pb.offset)
2531 pass_buffer_as_shm(pb.buf, pb.offset, &fd);
2532 free(pb.buf);
2533 }
2534
2535 /**
2536 * Close the audio file table.
2537 *
2538 * \param flags Usual flags that are passed to osl_close_table().
2539 *
2540 * \sa osl_close_table().
2541 */
2542 static void aft_close(void)
2543 {
2544 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2545 audio_file_table = NULL;
2546 }
2547
2548 /**
2549 * Open the audio file table.
2550 *
2551 * \param dir The database directory.
2552 *
2553 * \return Standard.
2554 *
2555 * \sa osl_open_table().
2556 */
2557 static int aft_open(const char *dir)
2558 {
2559 int ret;
2560
2561 audio_file_table_desc.dir = dir;
2562 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2563 if (ret >= 0) {
2564 unsigned num;
2565 osl_get_num_rows(audio_file_table, &num);
2566 PARA_INFO_LOG("audio file table contains %d files\n", num);
2567 return ret;
2568 }
2569 PARA_INFO_LOG("failed to open audio file table\n");
2570 audio_file_table = NULL;
2571 if (ret >= 0 || is_errno(-ret, ENOENT))
2572 return 1;
2573 return ret;
2574 }
2575
2576 static int aft_create(const char *dir)
2577 {
2578 audio_file_table_desc.dir = dir;
2579 return osl_create_table(&audio_file_table_desc);
2580 }
2581
2582 static int clear_attribute(struct osl_row *row, void *data)
2583 {
2584 struct rmatt_event_data *red = data;
2585 struct afs_info afsi;
2586 struct osl_object obj;
2587 int ret = get_afsi_object_of_row(row, &obj);
2588 uint64_t mask = ~(1ULL << red->bitnum);
2589
2590 if (ret < 0)
2591 return ret;
2592 ret = load_afsi(&afsi, &obj);
2593 if (ret < 0)
2594 return ret;
2595 afsi.attributes &= mask;
2596 save_afsi(&afsi, &obj);
2597 return 1;
2598 }
2599
2600 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2601 void *data)
2602 {
2603 int ret;
2604
2605 switch(event) {
2606 case ATTRIBUTE_REMOVE: {
2607 const struct rmatt_event_data *red = data;
2608 ret = para_printf(pb, "clearing attribute %s (bit %u) from all "
2609 "entries in the audio file table\n", red->name,
2610 red->bitnum);
2611 if (ret < 0)
2612 return ret;
2613 return audio_file_loop(data, clear_attribute);
2614 }
2615 default:
2616 return 1;
2617 }
2618 }
2619
2620 void aft_init(struct afs_table *t)
2621 {
2622 t->open = aft_open;
2623 t->close = aft_close;
2624 t->create = aft_create;
2625 t->event_handler = aft_event_handler;
2626 }