aft.c: Fix a possible memory leak.
[paraslash.git] / aft.c
1 /*
2 * Copyright (C) 2007 Andre Noll <maan@systemlinux.org>
3 *
4 * Licensed under the GPL v2. For licencing details see COPYING.
5 */
6
7 /** \file aft.c Audio file table functions. */
8
9 #include <dirent.h> /* readdir() */
10 #include "para.h"
11 #include "error.h"
12 #include "string.h"
13 #include <sys/mman.h>
14 #include <fnmatch.h>
15 #include "afh.h"
16 #include "afs.h"
17 #include "net.h"
18 #include "vss.h"
19 #include "fd.h"
20 #include "ipc.h"
21
22 static struct osl_table *audio_file_table;
23
24 /** The different sorting methods of the ls command. */
25 enum ls_sorting_method {
26 /** -sp (default) */
27 LS_SORT_BY_PATH,
28 /** -ss */
29 LS_SORT_BY_SCORE,
30 /** -sl */
31 LS_SORT_BY_LAST_PLAYED,
32 /** -sn */
33 LS_SORT_BY_NUM_PLAYED,
34 /** -sf */
35 LS_SORT_BY_FREQUENCY,
36 /** -sc */
37 LS_SORT_BY_CHANNELS,
38 /** -si */
39 LS_SORT_BY_IMAGE_ID,
40 /** -sy */
41 LS_SORT_BY_LYRICS_ID,
42 /** -sb */
43 LS_SORT_BY_BITRATE,
44 /** -sd */
45 LS_SORT_BY_DURATION,
46 /** -sa */
47 LS_SORT_BY_AUDIO_FORMAT,
48 /** -sh */
49 LS_SORT_BY_HASH,
50 };
51
52 /** The different listing modes of the ls command. */
53 enum ls_listing_mode {
54 /** Default listing mode. */
55 LS_MODE_SHORT,
56 /** -l or -ll */
57 LS_MODE_LONG,
58 /** -lv */
59 LS_MODE_VERBOSE,
60 /** -lm */
61 LS_MODE_MBOX
62 };
63
64 /** The flags accepted by the ls command. */
65 enum ls_flags {
66 /** -p */
67 LS_FLAG_FULL_PATH = 1,
68 /** -a */
69 LS_FLAG_ADMISSIBLE_ONLY = 2,
70 /** -r */
71 LS_FLAG_REVERSE = 4,
72 };
73
74 /**
75 * The size of the individual output fields of the ls command.
76 *
77 * These depend on the actual content being listed. If, for instance only files
78 * with duration less than an hour are being listed, then the duration with is
79 * made smaller because then the duration is listed as mm:ss rather than
80 * hh:mm:ss.
81 */
82 struct ls_widths {
83 /** size of the score field. */
84 unsigned short score_width;
85 /** size of the image id field. */
86 unsigned short image_id_width;
87 /** size of the lyrics id field. */
88 unsigned short lyrics_id_width;
89 /** size of the bitrate field. */
90 unsigned short bitrate_width;
91 /** size of the frequency field. */
92 unsigned short frequency_width;
93 /** size of the duration field. */
94 unsigned short duration_width;
95 /** size of the num played field. */
96 unsigned short num_played_width;
97 };
98
99 /** Data passed from the ls command handler to its callback function. */
100 struct ls_options {
101 /** The given command line flags. */
102 unsigned flags;
103 /** The sorting method given at the command line. */
104 enum ls_sorting_method sorting;
105 /** The given listing mode (short, long, verbose, mbox). */
106 enum ls_listing_mode mode;
107 /** The arguments passed to the ls command. */
108 char **patterns;
109 /** Number of non-option arguments. */
110 int num_patterns;
111 /** Used for long listing mode to align the output fields. */
112 struct ls_widths widths;
113 /** Size of the \a data array. */
114 uint32_t array_size;
115 /** Number of used entries in the data array. */
116 uint32_t num_matching_paths;
117 /** Array of matching entries. */
118 struct ls_data *data;
119 /** Used to sort the array. */
120 struct ls_data **data_ptr;
121 };
122
123 /**
124 * Describes the layout of the mmapped-afs info struct.
125 *
126 * \sa struct afs_info.
127 */
128 enum afsi_offsets {
129 /** Where .last_played is stored. */
130 AFSI_LAST_PLAYED_OFFSET = 0,
131 /** Storage position of the attributes bitmap. */
132 AFSI_ATTRIBUTES_OFFSET = 8,
133 /** Storage position of the .num_played field. */
134 AFSI_NUM_PLAYED_OFFSET = 16,
135 /** Storage position of the .image_id field. */
136 AFSI_IMAGE_ID_OFFSET = 20,
137 /** Storage position of the .lyrics_id field. */
138 AFSI_LYRICS_ID_OFFSET = 24,
139 /** Storage position of the .audio_format_id field. */
140 AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
141 /** 3 bytes reserved space for future usage. */
142 AFSI_AUDIO_FORMAT_UNUSED_OFFSET = 29,
143 /** On-disk storage space needed. */
144 AFSI_SIZE = 32
145 };
146
147 /**
148 * Convert a struct afs_info to an osl object.
149 *
150 * \param afsi Pointer to the audio file info to be converted.
151 * \param obj Result pointer.
152 *
153 * \sa load_afsi().
154 */
155 void save_afsi(struct afs_info *afsi, struct osl_object *obj)
156 {
157 char *buf = obj->data;
158
159 write_u64(buf + AFSI_LAST_PLAYED_OFFSET, afsi->last_played);
160 write_u64(buf + AFSI_ATTRIBUTES_OFFSET, afsi->attributes);
161 write_u32(buf + AFSI_NUM_PLAYED_OFFSET, afsi->num_played);
162 write_u32(buf + AFSI_IMAGE_ID_OFFSET, afsi->image_id);
163 write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
164 write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
165 afsi->audio_format_id);
166 memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 3);
167 }
168
169 /**
170 * Get the audio file selector info struct stored in an osl object.
171 *
172 * \param afsi Points to the audio_file info structure to be filled in.
173 * \param obj The osl object holding the data.
174 *
175 * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
176 *
177 * \sa save_afsi().
178 */
179 int load_afsi(struct afs_info *afsi, struct osl_object *obj)
180 {
181 char *buf = obj->data;
182 if (obj->size < AFSI_SIZE)
183 return -E_BAD_AFSI;
184 afsi->last_played = read_u64(buf + AFSI_LAST_PLAYED_OFFSET);
185 afsi->attributes = read_u64(buf + AFSI_ATTRIBUTES_OFFSET);
186 afsi->num_played = read_u32(buf + AFSI_NUM_PLAYED_OFFSET);
187 afsi->image_id = read_u32(buf + AFSI_IMAGE_ID_OFFSET);
188 afsi->lyrics_id = read_u32(buf + AFSI_LYRICS_ID_OFFSET);
189 afsi->audio_format_id = read_u8(buf +
190 AFSI_AUDIO_FORMAT_ID_OFFSET);
191 return 1;
192 }
193
194 /** The columns of the audio file table. */
195 enum audio_file_table_columns {
196 /** The hash on the content of the audio file. */
197 AFTCOL_HASH,
198 /** The full path in the filesystem. */
199 AFTCOL_PATH,
200 /** The audio file selector info. */
201 AFTCOL_AFSI,
202 /** The audio format handler info. */
203 AFTCOL_AFHI,
204 /** The chunk table info and the chunk table of the audio file. */
205 AFTCOL_CHUNKS,
206 /** The number of columns of this table. */
207 NUM_AFT_COLUMNS
208 };
209
210 static struct osl_column_description aft_cols[] = {
211 [AFTCOL_HASH] = {
212 .storage_type = OSL_MAPPED_STORAGE,
213 .storage_flags = OSL_RBTREE | OSL_FIXED_SIZE | OSL_UNIQUE,
214 .name = "hash",
215 .compare_function = osl_hash_compare,
216 .data_size = HASH_SIZE
217 },
218 [AFTCOL_PATH] = {
219 .storage_type = OSL_MAPPED_STORAGE,
220 .storage_flags = OSL_RBTREE | OSL_UNIQUE,
221 .name = "path",
222 .compare_function = string_compare,
223 },
224 [AFTCOL_AFSI] = {
225 .storage_type = OSL_MAPPED_STORAGE,
226 .storage_flags = OSL_FIXED_SIZE,
227 .name = "afs_info",
228 .data_size = AFSI_SIZE
229 },
230 [AFTCOL_AFHI] = {
231 .storage_type = OSL_MAPPED_STORAGE,
232 .name = "afh_info",
233 },
234 [AFTCOL_CHUNKS] = {
235 .storage_type = OSL_DISK_STORAGE,
236 .name = "chunks",
237 }
238 };
239
240 static struct osl_table_description audio_file_table_desc = {
241 .name = "audio_files",
242 .num_columns = NUM_AFT_COLUMNS,
243 .flags = OSL_LARGE_TABLE,
244 .column_descriptions = aft_cols
245 };
246
247 /* We don't want * dot or dot-dot anywhere. */
248 static int verify_dotfile(const char *rest)
249 {
250 /*
251 * The first character was '.', but that has already been discarded, we
252 * now test the rest.
253 */
254 switch (*rest) {
255 case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
256 return -1;
257 case '.': /* path start with /foo/.. */
258 if (rest[1] == '\0' || rest[1] == '/')
259 return -1; /* /foo/.. or /foo/../bar are not ok */
260 /* /foo/..bar is ok */
261 }
262 return 1;
263 }
264
265 /*
266 * We fundamentally don't like some paths: We don't want double slashes or
267 * slashes at the end that can make pathnames ambiguous.
268 */
269 static int verify_path(const char *orig_path, char **resolved_path)
270 {
271 char c;
272 size_t len;
273 char *path;
274
275 if (*orig_path != '/') /* we only accept absolute paths */
276 return -E_BAD_PATH;
277 len = strlen(orig_path);
278 *resolved_path = para_strdup(orig_path);
279 path = *resolved_path;
280 while (len > 1 && path[--len] == '/')
281 path[len] = '\0'; /* remove slash at the end */
282 c = *path++;
283 while (c) {
284 if (c == '/') {
285 c = *path++;
286 switch (c) {
287 case '/': /* double slash */
288 goto bad_path;
289 case '.':
290 if (verify_dotfile(path) < 0)
291 goto bad_path;
292 default:
293 continue;
294 }
295 }
296 c = *path++;
297 }
298 return 1;
299 bad_path:
300 free(*resolved_path);
301 return -E_BAD_PATH;
302 }
303
304 /** The on-disk layout of a afhi struct. */
305 enum afhi_offsets {
306 /** Where the number of seconds is stored. */
307 AFHI_SECONDS_TOTAL_OFFSET = 0,
308 /** Position of the bitrate. */
309 AFHI_BITRATE_OFFSET = 4,
310 /** Position of the frequency. */
311 AFHI_FREQUENCY_OFFSET = 8,
312 /** Location of the audio file header. */
313 AFHI_HEADER_OFFSET_OFFSET = 12,
314 /* Length of the audio file header. Zero means: No header. */
315 AFHI_HEADER_LEN_OFFSET = 16,
316 /** Number of channels is stored here. */
317 AFHI_CHANNELS_OFFSET = 20,
318 /** EOF timeout in ms. */
319 AFHI_EOF_OFFSET = 21,
320 /** The tag info position. */
321 AFHI_INFO_STRING_OFFSET = 23,
322 /** Minimal on-disk size of a valid afhi struct. */
323 MIN_AFHI_SIZE = 24
324 };
325
326 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
327 {
328 if (!afhi)
329 return 0;
330 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
331 }
332
333 static void save_afhi(struct afh_info *afhi, char *buf)
334 {
335 if (!afhi)
336 return;
337 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET,
338 afhi->seconds_total);
339 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
340 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
341 write_u32(buf + AFHI_HEADER_OFFSET_OFFSET, afhi->header_offset);
342 write_u32(buf + AFHI_HEADER_LEN_OFFSET, afhi->header_len);
343 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
344 write_u16(buf + AFHI_EOF_OFFSET, tv2ms(&afhi->eof_tv));
345 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
346 PARA_DEBUG_LOG("last byte written: %p\n", buf + AFHI_INFO_STRING_OFFSET + strlen(afhi->info_string));
347 }
348
349 static void load_afhi(const char *buf, struct afh_info *afhi)
350 {
351 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
352 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
353 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
354 afhi->header_offset = read_u32(buf + AFHI_HEADER_OFFSET_OFFSET);
355 afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_OFFSET);
356 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
357 ms2tv(read_u16(buf + AFHI_EOF_OFFSET), &afhi->eof_tv);
358 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
359 }
360
361 //#define SIZEOF_CHUNK_TABLE(afhi) (((afhi)->chunks_total + 1) * sizeof(uint32_t))
362
363 static unsigned sizeof_chunk_info_buf(struct afh_info *afhi)
364 {
365 if (!afhi)
366 return 0;
367 return 4 * (afhi->chunks_total + 1) + 20;
368
369 }
370
371 /** The offsets of the data contained in the AFTCOL_CHUNKS column. */
372 enum chunk_info_offsets{
373 /** The total number of chunks (4 bytes). */
374 CHUNKS_TOTAL_OFFSET = 0,
375 /** The length of the audio file header (4 bytes). */
376 HEADER_LEN_OFFSET = 4,
377 /** The start of the audio file header (4 bytes). */
378 HEADER_OFFSET_OFFSET = 8,
379 /** The seconds part of the chunk time (4 bytes). */
380 CHUNK_TV_TV_SEC_OFFSET = 12,
381 /** The microseconds part of the chunk time (4 bytes). */
382 CHUNK_TV_TV_USEC = 16,
383 /** Chunk table entries start here. */
384 CHUNK_TABLE_OFFSET = 20,
385 };
386
387 static void save_chunk_table(struct afh_info *afhi, char *buf)
388 {
389 int i;
390
391 PARA_DEBUG_LOG("%lu chunks\n", afhi->chunks_total);
392 for (i = 0; i <= afhi->chunks_total; i++)
393 write_u32(buf + 4 * i, afhi->chunk_table[i]);
394 }
395
396 static void load_chunk_table(struct afh_info *afhi, char *buf)
397 {
398 int i;
399 for (i = 0; i <= afhi->chunks_total; i++)
400 afhi->chunk_table[i] = read_u32(buf + 4 * i);
401 }
402
403 /* TODO: audio format handlers could just produce this */
404 static void save_chunk_info(struct afh_info *afhi, char *buf)
405 {
406 if (!afhi)
407 return;
408 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
409 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
410 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
411 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
412 write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
413 save_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
414 }
415
416 static int load_chunk_info(struct osl_object *obj, struct afh_info *afhi)
417 {
418 char *buf = obj->data;
419
420 if (obj->size < CHUNK_TABLE_OFFSET)
421 return -E_BAD_DATA_SIZE;
422
423 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
424 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
425 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
426 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
427 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
428
429 if ((afhi->chunks_total + 1) * 4 + CHUNK_TABLE_OFFSET > obj->size)
430 return -E_BAD_DATA_SIZE;
431 afhi->chunk_table = para_malloc((afhi->chunks_total + 1) * 4);
432 load_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
433 return 1;
434 }
435
436 /**
437 * Get the row of the audio file table corresponding to the given path.
438 *
439 * \param path The full path of the audio file.
440 * \param row Result pointer.
441 *
442 * \return The return value of the underlying call to osl_get_row().
443 */
444 int aft_get_row_of_path(const char *path, struct osl_row **row)
445 {
446 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
447
448 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
449 }
450
451 /**
452 * Get the row of the audio file table corresponding to the given hash value.
453 *
454 * \param hash The hash value of the desired audio file.
455 * \param row resul pointer.
456 *
457 * \return The return value of the underlying call to osl_get_row().
458 */
459 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
460 {
461 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
462 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
463 }
464
465 /**
466 * Get the osl object holding the audio file selector info of a row.
467 *
468 * \param row Pointer to a row in the audio file table.
469 * \param obj Result pointer.
470 *
471 * \return The return value of the underlying call to osl_get_object().
472 */
473 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
474 {
475 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
476 }
477
478 /**
479 * Get the osl object holding the audio file selector info, given a path.
480 *
481 *
482 * \param path The full path of the audio file.
483 * \param obj Result pointer.
484 *
485 * \return Positive on success, negative on errors.
486 */
487 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
488 {
489 struct osl_row *row;
490 int ret = aft_get_row_of_path(path, &row);
491 if (ret < 0)
492 return ret;
493 return get_afsi_object_of_row(row, obj);
494 }
495
496 /**
497 * Get the audio file selector info, given a row of the audio file table.
498 *
499 * \param row Pointer to a row in the audio file table.
500 * \param afsi Result pointer.
501 *
502 * \return Positive on success, negative on errors.
503 */
504 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
505 {
506 struct osl_object obj;
507 int ret = get_afsi_object_of_row(row, &obj);
508 if (ret < 0)
509 return ret;
510 return load_afsi(afsi, &obj);
511 }
512
513 /**
514 * Get the audio file selector info, given the path of an audio table.
515 *
516 * \param path The full path of the audio file.
517 * \param afsi Result pointer.
518 *
519 * \return Positive on success, negative on errors.
520 */
521 int get_afsi_of_path(const char *path, struct afs_info *afsi)
522 {
523 struct osl_object obj;
524 int ret = get_afsi_object_of_path(path, &obj);
525 if (ret < 0)
526 return ret;
527 return load_afsi(afsi, &obj);
528 }
529
530 /**
531 * Get the path of an audio file, given a row of the audio file table.
532 *
533 * \param row Pointer to a row in the audio file table.
534 * \param path Result pointer.
535 *
536 * The result is a pointer to mmapped data. The caller must not attempt
537 * to free it.
538 *
539 * \return Standard.
540 */
541 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
542 {
543 struct osl_object path_obj;
544 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
545 &path_obj);
546 if (ret < 0)
547 return ret;
548 *path = path_obj.data;
549 return 1;
550 }
551
552 /**
553 * Get the object containing the hash value of an audio file, given a row.
554 *
555 * \param row Pointer to a row of the audio file table.
556 * \param obj Result pointer.
557 *
558 * \return The return value of the underlying call to osl_get_object().
559 *
560 * \sa get_hash_of_row().
561 */
562 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
563 {
564 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
565 }
566
567 /**
568 * Get the hash value of an audio file, given a row of the audio file table.
569 *
570 * \param row Pointer to a row of the audio file table.
571 * \param hash Result pointer.
572 *
573 * \a hash points to mapped data and must not be freed by the caller.
574 *
575 * \return The return value of the underlying call to
576 * get_hash_object_of_aft_row().
577 */
578 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
579 {
580 struct osl_object obj;
581 int ret = get_hash_object_of_aft_row(row, &obj);
582
583 if (ret < 0)
584 return ret;
585 *hash = obj.data;
586 return 1;
587 }
588
589 /**
590 * Get the audio format handler info, given a row of the audio file table.
591 *
592 * \param row Pointer to a row of the audio file table.
593 * \param afhi Result pointer.
594 *
595 * \return The return value of the underlying call to osl_get_object().
596 *
597 * \sa get_chunk_table_of_row().
598 */
599 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
600 {
601 struct osl_object obj;
602 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
603 &obj);
604 if (ret < 0)
605 return ret;
606 load_afhi(obj.data, afhi);
607 return 1;
608 }
609
610 /* returns shmid on success */
611 static int save_afd(struct audio_file_data *afd)
612 {
613 size_t size = sizeof(*afd)
614 + 4 * (afd->afhi.chunks_total + 1);
615
616 PARA_DEBUG_LOG("size: %zu\n", size);
617 int shmid, ret = shm_new(size);
618 void *shm_afd;
619 char *buf;
620
621 if (ret < 0)
622 return ret;
623 shmid = ret;
624 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
625 if (ret < 0)
626 goto err;
627 *(struct audio_file_data *)shm_afd = *afd;
628 buf = shm_afd;
629 buf += sizeof(*afd);
630 save_chunk_table(&afd->afhi, buf);
631 shm_detach(shm_afd);
632 return shmid;
633 err:
634 shm_destroy(shmid);
635 return ret;
636 }
637
638 int load_afd(int shmid, struct audio_file_data *afd)
639 {
640 void *shm_afd;
641 char *buf;
642 int ret;
643
644 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
645 if (ret < 0)
646 return ret;
647 *afd = *(struct audio_file_data *)shm_afd;
648 buf = shm_afd;
649 buf += sizeof(*afd);
650 afd->afhi.chunk_table = para_malloc((afd->afhi.chunks_total + 1) * 4);
651 load_chunk_table(&afd->afhi, buf);
652 shm_detach(shm_afd);
653 return 1;
654 }
655
656 /**
657 * Mmap the given audio file and update statistics.
658 *
659 * \param aft_row Determines the audio file to be opened and updated.
660 * \param afd Result pointer.
661 *
662 * On success, the numplayed field of the audio file selector info is increased
663 * and the lastplayed time is set to the current time. Finally, the score of
664 * the audio file is updated.
665 *
666 * \return Positive shmid on success, negative on errors.
667 */
668 int open_and_update_audio_file(struct osl_row *aft_row,
669 struct audio_file_data *afd, long score)
670 {
671 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
672 struct osl_object afsi_obj;
673 struct afs_info old_afsi, new_afsi;
674 int ret = get_hash_of_row(aft_row, &aft_hash);
675 struct afsi_change_event_data aced;
676 struct osl_object map, chunk_table_obj;
677 char *path;
678
679 if (ret < 0)
680 return ret;
681 ret = get_audio_file_path_of_row(aft_row, &path);
682 if (ret < 0)
683 return ret;
684 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
685 if (ret < 0)
686 return ret;
687 ret = load_afsi(&old_afsi, &afsi_obj);
688 if (ret < 0)
689 return ret;
690 ret = get_afhi_of_row(aft_row, &afd->afhi);
691 if (ret < 0)
692 return ret;
693 ret = osl_open_disk_object(audio_file_table, aft_row,
694 AFTCOL_CHUNKS, &chunk_table_obj);
695 if (ret < 0)
696 return ret;
697 ret = mmap_full_file(path, O_RDONLY, &map.data,
698 &map.size, &afd->fd);
699 if (ret < 0)
700 goto err;
701 hash_function(map.data, map.size, file_hash);
702 ret = hash_compare(file_hash, aft_hash);
703 para_munmap(map.data, map.size);
704 if (ret) {
705 ret = -E_HASH_MISMATCH;
706 goto err;
707 }
708 new_afsi = old_afsi;
709 new_afsi.num_played++;
710 new_afsi.last_played = time(NULL);
711 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
712
713 ret = load_chunk_info(&chunk_table_obj, &afd->afhi);
714 if (ret < 0)
715 goto err;
716 {
717 struct ls_data d = {
718 .afhi = afd->afhi,
719 .afsi = old_afsi,
720 .path = path,
721 .score = score,
722 .hash = file_hash
723 };
724 struct para_buffer pb = {.buf = NULL};
725 ret = make_status_items(&d, &pb);
726 if (ret < 0)
727 goto err;
728 strncpy(afd->verbose_ls_output, pb.buf, VERBOSE_LS_OUTPUT_SIZE);
729 afd->verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE - 1] = '\0';
730 free(pb.buf);
731 }
732 aced.aft_row = aft_row;
733 aced.old_afsi = &old_afsi;
734 afs_event(AFSI_CHANGE, NULL, &aced);
735 ret = save_afd(afd);
736 free(afd->afhi.chunk_table);
737 if (ret < 0)
738 goto err;
739 err:
740 osl_close_disk_object(&chunk_table_obj);
741 return ret;
742 }
743
744 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
745 time_t current_time, enum ls_listing_mode lm)
746 {
747 struct tm t;
748
749 if (!localtime_r((time_t *)seconds, &t))
750 return -E_LOCALTIME;
751 if (lm == LS_MODE_MBOX) {
752 if (!strftime(buf, size, "%c", &t))
753 return -E_STRFTIME;
754 return 1;
755 }
756 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
757 if (!strftime(buf, size, "%b %e %k:%M", &t))
758 return -E_STRFTIME;
759 return 1;
760 }
761 if (!strftime(buf, size, "%b %e %Y", &t))
762 return -E_STRFTIME;
763 return 1;
764 }
765
766 /** Compute the number of (decimal) digits of a number. */
767 #define GET_NUM_DIGITS(x, num) { \
768 typeof((x)) _tmp = PARA_ABS(x); \
769 *num = 1; \
770 if ((x)) \
771 while ((_tmp) > 9) { \
772 (_tmp) /= 10; \
773 (*num)++; \
774 } \
775 }
776
777 static short unsigned get_duration_width(int seconds)
778 {
779 short unsigned width;
780 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
781
782 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
783 return 4 + (mins > 9);
784 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
785 GET_NUM_DIGITS(hours, &width);
786 return width + 6;
787 }
788
789 static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
790 {
791 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
792 short unsigned max_width;
793
794 if (!hours) { /* m:ss or mm:ss */
795 max_width = opts->mode == LS_MODE_LONG?
796 opts->widths.duration_width : 4;
797 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
798 } else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
799 max_width = opts->mode == LS_MODE_LONG?
800 opts->widths.duration_width : 7;
801 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
802 seconds % 60);
803 }
804 }
805
806 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
807 {
808 char *att_text, *att_lines;
809
810 get_attribute_text(&afsi->attributes, " ", &att_text);
811 if (!att_text)
812 return para_strdup(att_bitmap);
813 att_lines = make_message("%s: %s\n%s: %s",
814 status_item_list[SI_ATTRIBUTES_BITMAP], att_bitmap,
815 status_item_list[SI_ATTRIBUTES_TXT], att_text);
816 free(att_text);
817 return att_lines;
818 }
819
820 static char *make_lyrics_lines(struct afs_info *afsi)
821 {
822 char *lyrics_name;
823
824 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
825 return make_message("lyrics_id: %u\nlyrics_name: %s\n",
826 afsi->lyrics_id, lyrics_name? lyrics_name : "(none)");
827 }
828
829 static char *make_image_lines(struct afs_info *afsi)
830 {
831 char *image_name;
832 img_get_name_by_id(afsi->image_id, &image_name);
833 return make_message("image_id: %u\nimage_name: %s\n",
834 afsi->image_id, image_name? image_name : "(none)");
835 }
836
837 static char *make_filename_lines(const char *path, unsigned flags)
838 {
839 char *basename, *dirname;
840 char *ret;
841
842 if (!(flags & LS_FLAG_FULL_PATH))
843 return make_message("%s: %s\n%s:\n", "basename", path,
844 "dir");
845 basename = para_basename(path),
846 dirname = para_dirname(path);
847 ret = make_message("%s: %s\n%s: %s\n%s: %s\n", "path", path,
848 "dir", dirname, "basename", basename);
849 free(basename);
850 free(dirname);
851 return ret;
852 }
853
854 static int print_list_item(struct ls_data *d, struct ls_options *opts,
855 struct para_buffer *b, time_t current_time)
856 {
857 int ret;
858 char att_buf[65];
859 char last_played_time[30];
860 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
861 char score_buf[30] = "";
862 struct afs_info *afsi = &d->afsi;
863 struct afh_info *afhi = &d->afhi;
864 struct ls_widths *w = &opts->widths;
865 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
866 char asc_hash[2 * HASH_SIZE + 1];
867 char *att_lines, *lyrics_lines, *image_lines, *filename_lines;
868
869 if (opts->mode == LS_MODE_SHORT) {
870 para_printf(b, "%s\n", d->path);
871 return 1;
872 }
873 get_attribute_bitmap(&afsi->attributes, att_buf);
874 ret = get_local_time(&afsi->last_played, last_played_time,
875 sizeof(last_played_time), current_time, opts->mode);
876 if (ret < 0)
877 return ret;
878 get_duration_buf(afhi->seconds_total, duration_buf, opts);
879 if (have_score) {
880 if (opts->mode == LS_MODE_LONG)
881 sprintf(score_buf, "%*li ", w->score_width, d->score);
882 else
883 sprintf(score_buf, "%li ", d->score);
884 }
885
886 if (opts->mode == LS_MODE_LONG) {
887 para_printf(b,
888 "%s" /* score */
889 "%s " /* attributes */
890 "%*d " /* image_id */
891 "%*d " /* lyrics_id */
892 "%*d " /* bitrate */
893 "%s " /* audio format */
894 "%*d " /* frequency */
895 "%d " /* channels */
896 "%s " /* duration */
897 "%*d " /* num_played */
898 "%s " /* last_played */
899 "%s\n", /* path */
900 score_buf,
901 att_buf,
902 w->image_id_width, afsi->image_id,
903 w->lyrics_id_width, afsi->lyrics_id,
904 w->bitrate_width, afhi->bitrate,
905 audio_format_name(afsi->audio_format_id),
906 w->frequency_width, afhi->frequency,
907 afhi->channels,
908 duration_buf,
909 w->num_played_width, afsi->num_played,
910 last_played_time,
911 d->path
912 );
913 return 1;
914 }
915 hash_to_asc(d->hash, asc_hash);
916 att_lines = make_attribute_lines(att_buf, afsi);
917 lyrics_lines = make_lyrics_lines(afsi);
918 image_lines = make_image_lines(afsi);
919 filename_lines = make_filename_lines(d->path, opts->flags);
920 if (opts->mode == LS_MODE_VERBOSE) {
921 para_printf(b,
922 "%s" /* filename stuff */
923 "%s%s%s" /* score */
924 "%s\n" /* attributes */
925 "hash: %s\n"
926 "%s" /* image id, image name */
927 "%s" /* lyrics */
928 "%s: %dkbit/s\n" /* bitrate */
929 "format: %s\n"
930 "%s: %dHz\n" /* frequency */
931 "channels: %d\n"
932 "duration: %s\n"
933 "seconds_total: %lu\n"
934 "num_played: %d\n"
935 "last_played: %s\n"
936 "%s\n", /* tag info */
937 filename_lines,
938 have_score? "score: " : "", score_buf,
939 have_score? "\n" : "",
940 att_lines,
941 asc_hash,
942 image_lines,
943 lyrics_lines,
944 status_item_list[SI_BITRATE], afhi->bitrate,
945 audio_format_name(afsi->audio_format_id),
946 status_item_list[SI_FREQUENCY], afhi->frequency,
947 afhi->channels,
948 duration_buf,
949 afhi->seconds_total,
950 afsi->num_played,
951 last_played_time,
952 afhi->info_string
953 );
954 } else { /* mbox mode */
955 struct osl_object lyrics_def;
956 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
957 para_printf(b,
958 "From foo@localhost %s\n"
959 "Received: from\nTo: bar\nFrom: a\n"
960 "Subject: %s\n\n" /* path */
961 "%s%s%s" /* score */
962 "%s\n" /* attributes */
963 "hash: %s\n"
964 "%s\n" /* image id, image name */
965 "lyrics_id: %s\n"
966 "bitrate: %dkbit/s\n"
967 "format: %s\n"
968 "frequency: %dHz\n"
969 "channels: %d\n"
970 "duration: %s\n"
971 "num_played: %d\n"
972 "%s\n" /* tag info */
973 "%s%s\n",
974 last_played_time,
975 d->path,
976 have_score? "score: " : "", score_buf,
977 have_score? "\n" : "",
978 att_lines,
979 asc_hash,
980 image_lines,
981 lyrics_lines,
982 afhi->bitrate,
983 audio_format_name(afsi->audio_format_id),
984 afhi->frequency,
985 afhi->channels,
986 duration_buf,
987 afsi->num_played,
988 afhi->info_string,
989 lyrics_def.data? "Lyrics:\n~~~~~~~\n" : "",
990 lyrics_def.data? (char *)lyrics_def.data : ""
991 );
992 if (lyrics_def.data)
993 osl_close_disk_object(lyrics_def.data);
994 }
995 free(att_lines);
996 free(lyrics_lines);
997 free(image_lines);
998 free(filename_lines);
999 return 1;
1000 }
1001
1002 int make_status_items(struct ls_data *d, struct para_buffer *pb)
1003 {
1004 struct ls_options opts = {
1005 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
1006 .mode = LS_MODE_VERBOSE,
1007 };
1008 time_t current_time;
1009
1010 time(&current_time);
1011 return print_list_item(d, &opts, pb, current_time);
1012 }
1013
1014
1015 static int ls_audio_format_compare(const void *a, const void *b)
1016 {
1017 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1018 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1019 }
1020
1021 static int ls_duration_compare(const void *a, const void *b)
1022 {
1023 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1024 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1025 }
1026
1027 static int ls_bitrate_compare(const void *a, const void *b)
1028 {
1029 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1030 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1031 }
1032
1033 static int ls_lyrics_id_compare(const void *a, const void *b)
1034 {
1035 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1036 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1037 }
1038
1039 static int ls_image_id_compare(const void *a, const void *b)
1040 {
1041 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1042 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1043 }
1044
1045 static int ls_channels_compare(const void *a, const void *b)
1046 {
1047 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1048 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1049 }
1050
1051 static int ls_frequency_compare(const void *a, const void *b)
1052 {
1053 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1054 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1055 }
1056
1057 static int ls_num_played_compare(const void *a, const void *b)
1058 {
1059 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1060 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1061 }
1062
1063 static int ls_last_played_compare(const void *a, const void *b)
1064 {
1065 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1066 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1067 }
1068
1069 static int ls_score_compare(const void *a, const void *b)
1070 {
1071 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1072 return NUM_COMPARE(d1->score, d2->score);
1073 }
1074
1075 static int ls_path_compare(const void *a, const void *b)
1076 {
1077 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1078 return strcmp(d1->path, d2->path);
1079 }
1080
1081 static int sort_matching_paths(struct ls_options *options)
1082 {
1083 size_t nmemb = options->num_matching_paths;
1084 size_t size = sizeof(*options->data_ptr);
1085 int (*compar)(const void *, const void *);
1086 int i;
1087
1088 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1089 for (i = 0; i < nmemb; i++)
1090 options->data_ptr[i] = options->data + i;
1091
1092 /* In these cases the array is already sorted */
1093 if (options->sorting == LS_SORT_BY_PATH
1094 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1095 && (options->flags & LS_FLAG_FULL_PATH))
1096 return 1;
1097 if (options->sorting == LS_SORT_BY_SCORE &&
1098 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1099 return 1;
1100
1101 switch (options->sorting) {
1102 case LS_SORT_BY_PATH:
1103 compar = ls_path_compare; break;
1104 case LS_SORT_BY_SCORE:
1105 compar = ls_score_compare; break;
1106 case LS_SORT_BY_LAST_PLAYED:
1107 compar = ls_last_played_compare; break;
1108 case LS_SORT_BY_NUM_PLAYED:
1109 compar = ls_num_played_compare; break;
1110 case LS_SORT_BY_FREQUENCY:
1111 compar = ls_frequency_compare; break;
1112 case LS_SORT_BY_CHANNELS:
1113 compar = ls_channels_compare; break;
1114 case LS_SORT_BY_IMAGE_ID:
1115 compar = ls_image_id_compare; break;
1116 case LS_SORT_BY_LYRICS_ID:
1117 compar = ls_lyrics_id_compare; break;
1118 case LS_SORT_BY_BITRATE:
1119 compar = ls_bitrate_compare; break;
1120 case LS_SORT_BY_DURATION:
1121 compar = ls_duration_compare; break;
1122 case LS_SORT_BY_AUDIO_FORMAT:
1123 compar = ls_audio_format_compare; break;
1124 default:
1125 return -E_BAD_SORT;
1126 }
1127 qsort(options->data_ptr, nmemb, size, compar);
1128 return 1;
1129 }
1130
1131 /* row is either an aft_row or a row of the score table */
1132 /* TODO: Only compute widths if we need them */
1133 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1134 {
1135 int ret, i;
1136 struct ls_options *options = ls_opts;
1137 struct ls_data *d;
1138 struct ls_widths *w;
1139 unsigned short num_digits;
1140 unsigned tmp;
1141 struct osl_row *aft_row;
1142 long score;
1143 char *path;
1144
1145 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1146 ret = get_score_and_aft_row(row, &score, &aft_row);
1147 if (ret < 0)
1148 return ret;
1149 } else
1150 aft_row = row;
1151 ret = get_audio_file_path_of_row(aft_row, &path);
1152 if (ret < 0)
1153 return ret;
1154 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1155 char *p = strrchr(path, '/');
1156 if (p)
1157 path = p + 1;
1158 }
1159 if (options->num_patterns) {
1160 for (i = 0; i < options->num_patterns; i++) {
1161 ret = fnmatch(options->patterns[i], path, 0);
1162 if (!ret)
1163 break;
1164 if (ret == FNM_NOMATCH)
1165 continue;
1166 return -E_FNMATCH;
1167 }
1168 if (i >= options->num_patterns) /* no match */
1169 return 1;
1170 }
1171 tmp = options->num_matching_paths++;
1172 if (options->num_matching_paths > options->array_size) {
1173 options->array_size++;
1174 options->array_size *= 2;
1175 options->data = para_realloc(options->data, options->array_size
1176 * sizeof(*options->data));
1177 }
1178 d = options->data + tmp;
1179 ret = get_afsi_of_row(aft_row, &d->afsi);
1180 if (ret < 0)
1181 return ret;
1182 ret = get_afhi_of_row(aft_row, &d->afhi);
1183 if (ret < 0)
1184 return ret;
1185 d->path = path;
1186 ret = get_hash_of_row(aft_row, &d->hash);
1187 if (ret < 0)
1188 return ret;
1189 w = &options->widths;
1190 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1191 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1192 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1193 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1194 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1195 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1196 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1197 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1198 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1199 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1200 /* get the number of chars to print this amount of time */
1201 tmp = get_duration_width(d->afhi.seconds_total);
1202 w->duration_width = PARA_MAX(w->duration_width, tmp);
1203 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1204 GET_NUM_DIGITS(score, &num_digits);
1205 num_digits++; /* add one for the sign (space or "-") */
1206 w->score_width = PARA_MAX(w->score_width, num_digits);
1207 d->score = score;
1208 }
1209 return 1;
1210 }
1211
1212 static int com_ls_callback(const struct osl_object *query,
1213 struct osl_object *ls_output)
1214 {
1215 struct ls_options *opts = query->data;
1216 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1217 struct para_buffer b = {.buf = NULL, .size = 0};
1218 int i = 0, ret;
1219 time_t current_time;
1220
1221
1222 if (opts->num_patterns) {
1223 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1224 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1225 opts->patterns[i] = p;
1226 p += strlen(p) + 1;
1227 }
1228 } else
1229 opts->patterns = NULL;
1230 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1231 ret = admissible_file_loop(opts, prepare_ls_row);
1232 else
1233 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1234 prepare_ls_row);
1235 if (ret < 0)
1236 goto out;
1237 ret = opts->num_patterns? -E_NO_MATCH : 0;
1238 if (!opts->num_matching_paths)
1239 goto out;
1240 ret = sort_matching_paths(opts);
1241 if (ret < 0)
1242 goto out;
1243 time(&current_time);
1244 if (opts->flags & LS_FLAG_REVERSE)
1245 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1246 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1247 if (ret < 0)
1248 break;
1249 }
1250 else
1251 for (i = 0; i < opts->num_matching_paths; i++) {
1252 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1253 if (ret < 0)
1254 break;
1255 }
1256 ret = 1;
1257 out:
1258 ls_output->data = b.buf;
1259 ls_output->size = b.size;
1260 free(opts->data);
1261 free(opts->data_ptr);
1262 free(opts->patterns);
1263 return ret;
1264 }
1265
1266 /*
1267 * TODO: flags -h (sort by hash)
1268 */
1269 int com_ls(int fd, int argc, char * const * const argv)
1270 {
1271 int i, ret;
1272 unsigned flags = 0;
1273 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1274 enum ls_listing_mode mode = LS_MODE_SHORT;
1275 struct ls_options opts = {.patterns = NULL};
1276 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1277 ls_output;
1278
1279 for (i = 1; i < argc; i++) {
1280 const char *arg = argv[i];
1281 if (arg[0] != '-')
1282 break;
1283 if (!strcmp(arg, "--")) {
1284 i++;
1285 break;
1286 }
1287 if (!strncmp(arg, "-l", 2)) {
1288 if (!*(arg + 2)) {
1289 mode = LS_MODE_LONG;
1290 continue;
1291 }
1292 if (*(arg + 3))
1293 return -E_AFT_SYNTAX;
1294 switch(*(arg + 2)) {
1295 case 's':
1296 mode = LS_MODE_SHORT;
1297 continue;
1298 case 'l':
1299 mode = LS_MODE_LONG;
1300 continue;
1301 case 'v':
1302 mode = LS_MODE_VERBOSE;
1303 continue;
1304 case 'm':
1305 mode = LS_MODE_MBOX;
1306 continue;
1307 default:
1308 return -E_AFT_SYNTAX;
1309 }
1310 }
1311 if (!strcmp(arg, "-p")) {
1312 flags |= LS_FLAG_FULL_PATH;
1313 continue;
1314 }
1315 if (!strcmp(arg, "-a")) {
1316 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1317 continue;
1318 }
1319 if (!strcmp(arg, "-r")) {
1320 flags |= LS_FLAG_REVERSE;
1321 continue;
1322 }
1323 if (!strncmp(arg, "-s", 2)) {
1324 if (!*(arg + 2) || *(arg + 3))
1325 return -E_AFT_SYNTAX;
1326 switch(*(arg + 2)) {
1327 case 'p':
1328 sort = LS_SORT_BY_PATH;
1329 continue;
1330 case 's': /* -ss implies -a */
1331 sort = LS_SORT_BY_SCORE;
1332 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1333 continue;
1334 case 'l':
1335 sort = LS_SORT_BY_LAST_PLAYED;
1336 continue;
1337 case 'n':
1338 sort = LS_SORT_BY_NUM_PLAYED;
1339 continue;
1340 case 'f':
1341 sort = LS_SORT_BY_FREQUENCY;
1342 continue;
1343 case 'c':
1344 sort = LS_SORT_BY_CHANNELS;
1345 continue;
1346 case 'i':
1347 sort = LS_SORT_BY_IMAGE_ID;
1348 continue;
1349 case 'y':
1350 sort = LS_SORT_BY_LYRICS_ID;
1351 continue;
1352 case 'b':
1353 sort = LS_SORT_BY_BITRATE;
1354 continue;
1355 case 'd':
1356 sort = LS_SORT_BY_DURATION;
1357 continue;
1358 case 'a':
1359 sort = LS_SORT_BY_AUDIO_FORMAT;
1360 continue;
1361 default:
1362 return -E_AFT_SYNTAX;
1363 }
1364 }
1365 return -E_AFT_SYNTAX;
1366 }
1367 opts.flags = flags;
1368 opts.sorting = sort;
1369 opts.mode = mode;
1370 opts.num_patterns = argc - i;
1371 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1372 argv + i, com_ls_callback, &ls_output);
1373 if (ret > 0) {
1374 ret = send_buffer(fd, (char *)ls_output.data);
1375 free(ls_output.data);
1376 }
1377 return ret;
1378 }
1379
1380 /**
1381 * Call the given function for each file in the audio file table.
1382 *
1383 * \param private_data An arbitrary data pointer, passed to \a func.
1384 * \param func The custom function to be called.
1385 *
1386 * \return The return value of the underlying call to osl_rbtree_loop().
1387 */
1388 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1389 {
1390 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1391 func);
1392 }
1393
1394 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1395 {
1396 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1397 struct osl_row *row;
1398
1399 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1400 return row;
1401 }
1402
1403 enum aft_row_offsets {
1404 AFTROW_AFHI_OFFSET_POS = 0,
1405 AFTROW_CHUNKS_OFFSET_POS = 2,
1406 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1407 AFTROW_FLAGS_OFFSET = 5,
1408 AFTROW_HASH_OFFSET = 9,
1409 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1410 };
1411
1412 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1413 * In this case, afhi won't be stored in the buffer */
1414 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1415 struct afh_info *afhi, uint32_t flags,
1416 uint8_t audio_format_num, struct osl_object *obj)
1417 {
1418 size_t path_len = strlen(path) + 1;
1419 size_t afhi_size = sizeof_afhi_buf(afhi);
1420 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1421 + sizeof_chunk_info_buf(afhi);
1422 char *buf = para_malloc(size);
1423 uint16_t pos;
1424
1425 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1426 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1427
1428 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1429 strcpy(buf + AFTROW_PATH_OFFSET, path);
1430
1431 pos = AFTROW_PATH_OFFSET + path_len;
1432 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1433 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1434 pos + afhi_size - 1);
1435 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1436 save_afhi(afhi, buf + pos);
1437
1438 pos += afhi_size;
1439 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1440 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1441 save_chunk_info(afhi, buf + pos);
1442 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1443 obj->data = buf;
1444 obj->size = size;
1445 }
1446
1447 /*
1448 input:
1449 ~~~~~~
1450 HS: hash sister
1451 PB: path brother
1452 F: force flag given
1453
1454 output:
1455 ~~~~~~~
1456 AFHI: whether afhi and chunk table are computed and sent
1457 ACTION: table modifications to be performed
1458
1459 +---+----+-----+------+---------------------------------------------------+
1460 | HS | PB | F | AFHI | ACTION
1461 +---+----+-----+------+---------------------------------------------------+
1462 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1463 | | update path, keep afsi
1464 +---+----+-----+------+---------------------------------------------------+
1465 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1466 | | otherwise: remove PB, HS: update path, keep afhi,
1467 | | afsi.
1468 +---+----+-----+------+---------------------------------------------------+
1469 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1470 | | HS, keep afsi
1471 +---+----+-----+------+---------------------------------------------------+
1472 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1473 +---+----+-----+------+---------------------------------------------------+
1474 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1475 | | (force has no effect)
1476 +---+----+-----+------+---------------------------------------------------+
1477 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1478 +---+----+-----+------+---------------------------------------------------+
1479 | N | N | Y | Y | (new file) create new entry (force has no effect)
1480 +---+----+-----+------+---------------------------------------------------+
1481 | N | N | N | Y | (new file) create new entry
1482 +---+----+-----+------+---------------------------------------------------+
1483
1484 afhi <=> force or no HS
1485
1486 */
1487
1488 /** Flags passed to the add command. */
1489 enum com_add_flags {
1490 /** Skip paths that exist already. */
1491 ADD_FLAG_LAZY = 1,
1492 /** Force adding. */
1493 ADD_FLAG_FORCE = 2,
1494 /** Print what is being done. */
1495 ADD_FLAG_VERBOSE = 4,
1496 /** Try to add files with unknown suffixes. */
1497 ADD_FLAG_ALL = 8,
1498 };
1499
1500 static int com_add_callback(const struct osl_object *query,
1501 struct osl_object *result)
1502 {
1503 char *buf = query->data, *path;
1504 struct osl_row *pb, *aft_row;
1505 struct osl_row *hs;
1506 struct osl_object objs[NUM_AFT_COLUMNS];
1507 HASH_TYPE *hash;
1508 char asc[2 * HASH_SIZE + 1];
1509 int ret;
1510 char afsi_buf[AFSI_SIZE];
1511 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1512 struct afs_info default_afsi = {.last_played = 0};
1513 struct para_buffer msg = {.buf = NULL};
1514
1515 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1516 hash_to_asc(hash, asc);;
1517 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1518 objs[AFTCOL_HASH].size = HASH_SIZE;
1519
1520 path = buf + AFTROW_PATH_OFFSET;
1521 objs[AFTCOL_PATH].data = path;
1522 objs[AFTCOL_PATH].size = strlen(path) + 1;
1523
1524 PARA_INFO_LOG("request to add %s\n", path);
1525 hs = find_hash_sister(hash);
1526 ret = aft_get_row_of_path(path, &pb);
1527 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1528 return ret;
1529 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1530 if (flags & ADD_FLAG_VERBOSE)
1531 para_printf(&msg, "ignoring duplicate\n");
1532 ret = 1;
1533 goto out;
1534 }
1535 if (hs && hs != pb) {
1536 struct osl_object obj;
1537 if (pb) { /* hs trumps pb, remove pb */
1538 if (flags & ADD_FLAG_VERBOSE)
1539 para_printf(&msg, "removing path brother\n");
1540 ret = osl_del_row(audio_file_table, pb);
1541 if (ret < 0)
1542 goto out;
1543 pb = NULL;
1544 }
1545 /* file rename, update hs' path */
1546 if (flags & ADD_FLAG_VERBOSE) {
1547 ret = osl_get_object(audio_file_table, hs,
1548 AFTCOL_PATH, &obj);
1549 if (ret < 0)
1550 goto out;
1551 para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1552 }
1553 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1554 &objs[AFTCOL_PATH]);
1555 if (ret < 0)
1556 goto out;
1557 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1558 if (!(flags & ADD_FLAG_FORCE))
1559 goto out;
1560 }
1561 /* no hs or force mode, child must have sent afhi */
1562 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1563 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1564
1565 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1566 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1567 ret = -E_NO_AFHI;
1568 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1569 goto out;
1570 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1571 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1572 if (pb && !hs) { /* update pb's hash */
1573 char old_asc[2 * HASH_SIZE + 1];
1574 HASH_TYPE *old_hash;
1575 ret = get_hash_of_row(pb, &old_hash);
1576 if (ret < 0)
1577 goto out;
1578 hash_to_asc(old_hash, old_asc);
1579 if (flags & ADD_FLAG_VERBOSE)
1580 para_printf(&msg, "file change: %s -> %s\n",
1581 old_asc, asc);
1582 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1583 &objs[AFTCOL_HASH]);
1584 if (ret < 0)
1585 goto out;
1586 }
1587 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1588 struct osl_row *row = pb? pb : hs;
1589 /* update afhi and chunk_table */
1590 if (flags & ADD_FLAG_VERBOSE)
1591 para_printf(&msg, "updating afhi and chunk table\n");
1592 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1593 &objs[AFTCOL_AFHI]);
1594 if (ret < 0)
1595 goto out;
1596 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1597 &objs[AFTCOL_CHUNKS]);
1598 if (ret < 0)
1599 goto out;
1600 afs_event(AFHI_CHANGE, &msg, row);
1601 goto out;
1602 }
1603 /* new entry, use default afsi */
1604 if (flags & ADD_FLAG_VERBOSE)
1605 para_printf(&msg, "new file\n");
1606 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1607 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1608
1609 objs[AFTCOL_AFSI].data = &afsi_buf;
1610 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1611 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1612 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1613 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1614 out:
1615 if (ret < 0)
1616 para_printf(&msg, "%s\n", PARA_STRERROR(-ret));
1617 if (!msg.buf)
1618 return 0;
1619 result->data = msg.buf;
1620 result->size = msg.size;
1621 return 1;
1622 }
1623
1624 /** Used by com_add(). */
1625 struct private_add_data {
1626 /** The socket file descriptor. */
1627 int fd;
1628 /** The given add flags. */
1629 uint32_t flags;
1630 };
1631
1632 static int path_brother_callback(const struct osl_object *query,
1633 struct osl_object *result)
1634 {
1635 char *path = query->data;
1636 struct osl_row *path_brother;
1637 int ret = aft_get_row_of_path(path, &path_brother);
1638 if (ret < 0)
1639 return ret;
1640 result->data = para_malloc(sizeof(path_brother));
1641 result->size = sizeof(path_brother);
1642 *(struct osl_row **)(result->data) = path_brother;
1643 return 1;
1644 }
1645
1646 static int hash_sister_callback(const struct osl_object *query,
1647 struct osl_object *result)
1648 {
1649 HASH_TYPE *hash = query->data;
1650 struct osl_row *hash_sister;
1651
1652 hash_sister = find_hash_sister(hash);
1653 if (!hash_sister)
1654 return -E_RB_KEY_NOT_FOUND;
1655 result->data = para_malloc(sizeof(hash_sister));
1656 result->size = sizeof(hash_sister);
1657 *(struct osl_row **)(result->data) = hash_sister;
1658 return 1;
1659 }
1660
1661 static int add_one_audio_file(const char *path, const void *private_data)
1662 {
1663 int ret, ret2;
1664 uint8_t format_num = -1;
1665 const struct private_add_data *pad = private_data;
1666 struct afh_info afhi, *afhi_ptr = NULL;
1667 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1668 struct osl_object map, obj = {.data = NULL}, query, result = {.data = NULL};
1669 HASH_TYPE hash[HASH_SIZE];
1670
1671 afhi.header_offset = 0;
1672 afhi.header_len = 0;
1673 ret = guess_audio_format(path);
1674 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1675 goto out_free;
1676 query.data = (char *)path;
1677 query.size = strlen(path) + 1;
1678 ret = send_callback_request(path_brother_callback, &query, &result);
1679 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1680 goto out_free;
1681 if (ret >= 0) {
1682 pb = *(struct osl_row **)result.data;
1683 free(result.data);
1684 }
1685 ret = 1;
1686 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1687 if (pad->flags & ADD_FLAG_VERBOSE)
1688 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1689 goto out_free;
1690 }
1691 /* We still want to add this file. Compute its hash. */
1692 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, NULL);
1693 if (ret < 0)
1694 goto out_free;
1695 hash_function(map.data, map.size, hash);
1696
1697 /* Check whether database contains file with the same hash. */
1698 query.data = hash;
1699 query.size = HASH_SIZE;
1700 ret = send_callback_request(hash_sister_callback, &query, &result);
1701 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1702 goto out_free;
1703 if (ret >= 0) {
1704 hs = *(struct osl_row **)result.data;
1705 free(result.data);
1706 }
1707 /* Return success if we already know this file. */
1708 ret = 1;
1709 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1710 if (pad->flags & ADD_FLAG_VERBOSE)
1711 ret = send_va_buffer(pad->fd,
1712 "%s exists, not forcing update\n", path);
1713 goto out_unmap;
1714 }
1715 /*
1716 * we won't recalculate the audio format info and the chunk table if
1717 * there is a hash sister unless in FORCE mode.
1718 */
1719 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1720 ret = compute_afhi(path, map.data, map.size, &afhi);
1721 if (ret < 0)
1722 goto out_unmap;
1723 format_num = ret;
1724 afhi_ptr = &afhi;
1725 }
1726 if (pad->flags & ADD_FLAG_VERBOSE) {
1727 ret = send_va_buffer(pad->fd, "adding %s\n", path);
1728 if (ret < 0)
1729 goto out_unmap;
1730 }
1731 munmap(map.data, map.size);
1732 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1733 /* Ask afs to consider this entry for adding. */
1734 ret = send_callback_request(com_add_callback, &obj, &result);
1735 if (ret > 0) {
1736 ret2 = send_va_buffer(pad->fd, "%s", (char *)result.data);
1737 free(result.data);
1738 if (ret >= 0 && ret2 < 0)
1739 ret = ret2;
1740 }
1741 goto out_free;
1742
1743 out_unmap:
1744 munmap(map.data, map.size);
1745 out_free:
1746 if (ret < 0 && ret != -E_SEND)
1747 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1748 PARA_STRERROR(-ret));
1749 free(obj.data);
1750 if (afhi_ptr)
1751 free(afhi_ptr->chunk_table);
1752 /* it's not an error if not all files could be added */
1753 return ret == -E_SEND? ret : 1;
1754 }
1755
1756 int com_add(int fd, int argc, char * const * const argv)
1757 {
1758 int i, ret;
1759 struct private_add_data pad = {.fd = fd, .flags = 0};
1760 struct stat statbuf;
1761
1762 for (i = 1; i < argc; i++) {
1763 const char *arg = argv[i];
1764 if (arg[0] != '-')
1765 break;
1766 if (!strcmp(arg, "--")) {
1767 i++;
1768 break;
1769 }
1770 if (!strcmp(arg, "-a")) {
1771 pad.flags |= ADD_FLAG_ALL;
1772 continue;
1773 }
1774 if (!strcmp(arg, "-l")) {
1775 pad.flags |= ADD_FLAG_LAZY;
1776 continue;
1777 }
1778 if (!strcmp(arg, "-f")) {
1779 pad.flags |= ADD_FLAG_FORCE;
1780 continue;
1781 }
1782 if (!strcmp(arg, "-v")) {
1783 pad.flags |= ADD_FLAG_VERBOSE;
1784 continue;
1785 }
1786 }
1787 if (argc <= i)
1788 return -E_AFT_SYNTAX;
1789 for (; i < argc; i++) {
1790 char *path;
1791 ret = verify_path(argv[i], &path);
1792 if (ret < 0) {
1793 ret = send_va_buffer(fd, "%s: %s\n", argv[i], PARA_STRERROR(-ret));
1794 if (ret < 0)
1795 return ret;
1796 continue;
1797 }
1798 ret = stat(path, &statbuf);
1799 if (ret < 0) {
1800 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1801 strerror(errno));
1802 free(path);
1803 if (ret < 0)
1804 return ret;
1805 continue;
1806 }
1807 if (S_ISDIR(statbuf.st_mode))
1808 ret = for_each_file_in_dir(path, add_one_audio_file,
1809 &pad);
1810 else
1811 ret = add_one_audio_file(path, &pad);
1812 if (ret < 0) {
1813 send_va_buffer(fd, "%s: %s\n", path, PARA_STRERROR(-ret));
1814 free(path);
1815 return ret;
1816 }
1817 free(path);
1818 }
1819 return 1;
1820
1821 }
1822
1823 /**
1824 * Flags used by the touch command.
1825 *
1826 * \sa com_touch().
1827 */
1828 enum touch_flags {
1829 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1830 TOUCH_FLAG_FNM_PATHNAME = 1,
1831 /** Activates verbose mode. */
1832 TOUCH_FLAG_VERBOSE = 2
1833 };
1834
1835 /** Options used by com_touch(). */
1836 struct com_touch_options {
1837 /** New num_played value. */
1838 int32_t num_played;
1839 /** New last played count. */
1840 int64_t last_played;
1841 /** new lyrics id. */
1842 int32_t lyrics_id;
1843 /** new image id. */
1844 int32_t image_id;
1845 /** command line flags (see \ref touch_flags). */
1846 unsigned flags;
1847 };
1848
1849 /** Data passed to the action handler of com_touch(). */
1850 struct touch_action_data {
1851 /** Command line options (see \ref com_touch_options). */
1852 struct com_touch_options *cto;
1853 /** Message buffer. */
1854 struct para_buffer pb;
1855 };
1856
1857 static int touch_audio_file(__a_unused struct osl_table *table,
1858 struct osl_row *row, const char *name, void *data)
1859 {
1860 struct touch_action_data *tad = data;
1861 struct osl_object obj;
1862 struct afs_info old_afsi, new_afsi;
1863 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1864 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1865 struct afsi_change_event_data aced;
1866
1867 ret = get_afsi_object_of_row(row, &obj);
1868 if (ret < 0) {
1869 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1870 return 1;
1871 }
1872 ret = load_afsi(&old_afsi, &obj);
1873 if (ret < 0) {
1874 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1875 return 1;
1876 }
1877 new_afsi = old_afsi;
1878 if (no_options) {
1879 new_afsi.num_played++;
1880 new_afsi.last_played = time(NULL);
1881 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1882 para_printf(&tad->pb, "%s: num_played = %u, "
1883 "last_played = now()\n", name,
1884 new_afsi.num_played);
1885 } else {
1886 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1887 para_printf(&tad->pb, "touching %s\n", name);
1888 if (tad->cto->lyrics_id >= 0)
1889 new_afsi.lyrics_id = tad->cto->lyrics_id;
1890 if (tad->cto->image_id >= 0)
1891 new_afsi.image_id = tad->cto->image_id;
1892 if (tad->cto->num_played >= 0)
1893 new_afsi.num_played = tad->cto->num_played;
1894 if (tad->cto->last_played >= 0)
1895 new_afsi.last_played = tad->cto->last_played;
1896 }
1897 save_afsi(&new_afsi, &obj); /* in-place update */
1898 aced.aft_row = row;
1899 aced.old_afsi = &old_afsi;
1900 afs_event(AFSI_CHANGE, &tad->pb, &aced);
1901 return 1;
1902 }
1903
1904 static int com_touch_callback(const struct osl_object *query,
1905 struct osl_object *result)
1906 {
1907 struct touch_action_data tad = {.cto = query->data};
1908 int ret;
1909 struct pattern_match_data pmd = {
1910 .table = audio_file_table,
1911 .loop_col_num = AFTCOL_HASH,
1912 .match_col_num = AFTCOL_PATH,
1913 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1914 .size = query->size - sizeof(*tad.cto)},
1915 .data = &tad,
1916 .action = touch_audio_file
1917 };
1918 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1919 pmd.fnmatch_flags |= FNM_PATHNAME;
1920 ret = for_each_matching_row(&pmd);
1921 if (ret < 0)
1922 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1923 if (tad.pb.buf) {
1924 result->data = tad.pb.buf;
1925 result->size = tad.pb.size;
1926 return 1;
1927 }
1928 return ret < 0? ret : 0;
1929 }
1930
1931 int com_touch(int fd, int argc, char * const * const argv)
1932 {
1933 struct com_touch_options cto = {
1934 .num_played = -1,
1935 .last_played = -1,
1936 .lyrics_id = -1,
1937 .image_id = -1
1938 };
1939 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1940 result;
1941 int i, ret;
1942
1943
1944 for (i = 1; i < argc; i++) {
1945 const char *arg = argv[i];
1946 if (arg[0] != '-')
1947 break;
1948 if (!strcmp(arg, "--")) {
1949 i++;
1950 break;
1951 }
1952 if (!strncmp(arg, "-n", 2)) {
1953 ret = para_atoi32(arg + 2, &cto.num_played);
1954 if (ret < 0)
1955 return ret;
1956 continue;
1957 }
1958 if (!strncmp(arg, "-l", 2)) {
1959 ret = para_atoi64(arg + 2, &cto.last_played);
1960 if (ret < 0)
1961 return ret;
1962 continue;
1963 }
1964 if (!strncmp(arg, "-y", 2)) {
1965 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1966 if (ret < 0)
1967 return ret;
1968 continue;
1969 }
1970 if (!strncmp(arg, "-i", 2)) {
1971 ret = para_atoi32(arg + 2, &cto.image_id);
1972 if (ret < 0)
1973 return ret;
1974 continue;
1975 }
1976 if (!strcmp(arg, "-p")) {
1977 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1978 continue;
1979 }
1980 if (!strcmp(arg, "-v")) {
1981 cto.flags |= TOUCH_FLAG_VERBOSE;
1982 continue;
1983 }
1984 break; /* non-option starting with dash */
1985 }
1986 if (i >= argc)
1987 return -E_AFT_SYNTAX;
1988 ret = send_option_arg_callback_request(&query, argc - i,
1989 argv + i, com_touch_callback, &result);
1990 if (ret > 0) {
1991 send_buffer(fd, (char *)result.data);
1992 free(result.data);
1993 } else if (ret < 0)
1994 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
1995 return ret;
1996 }
1997
1998 /** Flags for com_rm(). */
1999 enum rm_flags {
2000 /** -v */
2001 RM_FLAG_VERBOSE = 1,
2002 /** -f */
2003 RM_FLAG_FORCE = 2,
2004 /** -p */
2005 RM_FLAG_FNM_PATHNAME = 4
2006 };
2007
2008 /** Data passed to the action handler of com_rm(). */
2009 struct com_rm_action_data {
2010 /** Command line flags ((see \ref rm_flags). */
2011 uint32_t flags;
2012 /** Message buffer. */
2013 struct para_buffer pb;
2014 /** Number of audio files removed. */
2015 unsigned num_removed;
2016 };
2017
2018 static int remove_audio_file(__a_unused struct osl_table *table,
2019 struct osl_row *row, const char *name, void *data)
2020 {
2021 struct com_rm_action_data *crd = data;
2022 int ret;
2023
2024 if (crd->flags & RM_FLAG_VERBOSE)
2025 para_printf(&crd->pb, "removing %s\n", name);
2026 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2027 ret = osl_del_row(audio_file_table, row);
2028 if (ret < 0)
2029 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
2030 else
2031 crd->num_removed++;
2032 return 1;
2033 }
2034
2035 static int com_rm_callback(const struct osl_object *query,
2036 __a_unused struct osl_object *result)
2037 {
2038 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data};
2039 int ret;
2040 struct pattern_match_data pmd = {
2041 .table = audio_file_table,
2042 .loop_col_num = AFTCOL_HASH,
2043 .match_col_num = AFTCOL_PATH,
2044 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2045 .size = query->size - sizeof(uint32_t)},
2046 .data = &crd,
2047 .action = remove_audio_file
2048 };
2049 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2050 pmd.fnmatch_flags |= FNM_PATHNAME;
2051 ret = for_each_matching_row(&pmd);
2052 if (ret < 0)
2053 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
2054 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2055 para_printf(&crd.pb, "no matches -- nothing removed\n");
2056 else {
2057 if (crd.flags & RM_FLAG_VERBOSE)
2058 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2059 }
2060 if (crd.pb.buf) {
2061 result->data = crd.pb.buf;
2062 result->size = crd.pb.size;
2063 return 1;
2064 }
2065 return ret < 0? ret : 0;
2066 }
2067
2068 /* TODO options: -r (recursive) */
2069 int com_rm(int fd, int argc, char * const * const argv)
2070 {
2071 uint32_t flags = 0;
2072 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
2073 result;
2074 int i, ret;
2075
2076 for (i = 1; i < argc; i++) {
2077 const char *arg = argv[i];
2078 if (arg[0] != '-')
2079 break;
2080 if (!strcmp(arg, "--")) {
2081 i++;
2082 break;
2083 }
2084 if (!strcmp(arg, "-f")) {
2085 flags |= RM_FLAG_FORCE;
2086 continue;
2087 }
2088 if (!strcmp(arg, "-p")) {
2089 flags |= RM_FLAG_FNM_PATHNAME;
2090 continue;
2091 }
2092 if (!strcmp(arg, "-v")) {
2093 flags |= RM_FLAG_VERBOSE;
2094 continue;
2095 }
2096 break;
2097 }
2098 if (i >= argc)
2099 return -E_AFT_SYNTAX;
2100 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2101 com_rm_callback, &result);
2102 if (ret > 0) {
2103 send_buffer(fd, (char *)result.data);
2104 free(result.data);
2105 } else if (ret < 0)
2106 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2107 return ret;
2108 }
2109
2110 /**
2111 * Flags used by the cpsi command.
2112 *
2113 * \sa com_cpsi().
2114 */
2115 enum cpsi_flags {
2116 /** Whether the lyrics id should be copied. */
2117 CPSI_FLAG_COPY_LYRICS_ID = 1,
2118 /** Whether the image id should be copied. */
2119 CPSI_FLAG_COPY_IMAGE_ID = 2,
2120 /** Whether the lastplayed time should be copied. */
2121 CPSI_FLAG_COPY_LASTPLAYED = 4,
2122 /** Whether the numplayed count should be copied. */
2123 CPSI_FLAG_COPY_NUMPLAYED = 8,
2124 /** Whether the attributes should be copied. */
2125 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2126 /** Activates verbose mode. */
2127 CPSI_FLAG_VERBOSE = 32,
2128 };
2129
2130 /** Data passed to the action handler of com_cpsi(). */
2131 struct cpsi_action_data {
2132 /** command line flags (see \ref cpsi_flags). */
2133 unsigned flags;
2134 /** Number of audio files changed. */
2135 unsigned num_copied;
2136 /** Message buffer. */
2137 struct para_buffer pb;
2138 /** Values are copied from here. */
2139 struct afs_info source_afsi;
2140 };
2141
2142 static int copy_selector_info(__a_unused struct osl_table *table,
2143 struct osl_row *row, const char *name, void *data)
2144 {
2145 struct cpsi_action_data *cad = data;
2146 struct osl_object target_afsi_obj;
2147 int ret;
2148 struct afs_info old_afsi, target_afsi;
2149 struct afsi_change_event_data aced;
2150
2151 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2152 if (ret < 0)
2153 return ret;
2154 load_afsi(&target_afsi, &target_afsi_obj);
2155 old_afsi = target_afsi;
2156 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2157 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2158 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2159 target_afsi.image_id = cad->source_afsi.image_id;
2160 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2161 target_afsi.last_played = cad->source_afsi.last_played;
2162 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2163 target_afsi.num_played = cad->source_afsi.num_played;
2164 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2165 target_afsi.attributes = cad->source_afsi.attributes;
2166 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2167 cad->num_copied++;
2168 if (cad->flags & CPSI_FLAG_VERBOSE)
2169 para_printf(&cad->pb, "copied afsi to %s\n", name);
2170 aced.aft_row = row;
2171 aced.old_afsi = &old_afsi;
2172 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2173 return 1;
2174 }
2175
2176 static int com_cpsi_callback(const struct osl_object *query,
2177 struct osl_object *result)
2178 {
2179 struct cpsi_action_data cad = {.flags = *(unsigned *)query->data};
2180 int ret;
2181 char *source_path = (char *)query->data + sizeof(cad.flags);
2182
2183 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2184 if (ret < 0)
2185 goto out;
2186 struct pattern_match_data pmd = {
2187 .table = audio_file_table,
2188 .loop_col_num = AFTCOL_HASH,
2189 .match_col_num = AFTCOL_PATH,
2190 .patterns = {.data = source_path + strlen(source_path) + 1,
2191 .size = query->size - sizeof(cad.flags)
2192 - strlen(source_path) - 1},
2193 .data = &cad,
2194 .action = copy_selector_info
2195 };
2196 ret = for_each_matching_row(&pmd);
2197 out:
2198 if (ret < 0)
2199 para_printf(&cad.pb, "%s\n", PARA_STRERROR(-ret));
2200 if (cad.flags & CPSI_FLAG_VERBOSE) {
2201 if (cad.num_copied)
2202 para_printf(&cad.pb, "copied requested afsi from %s "
2203 "to %u files\n",
2204 source_path, cad.num_copied);
2205 else
2206 para_printf(&cad.pb, "nothing copied\n");
2207 }
2208 if (cad.pb.buf) {
2209 result->data = cad.pb.buf;
2210 result->size = cad.pb.size;
2211 return 1;
2212 }
2213 return ret < 0? ret : 0;
2214 }
2215
2216 int com_cpsi(int fd, int argc, char * const * const argv)
2217 {
2218 unsigned flags = 0;
2219 int i, ret;
2220 struct osl_object options = {.data = &flags, .size = sizeof(flags)},
2221 result;
2222
2223 for (i = 1; i < argc; i++) {
2224 const char *arg = argv[i];
2225 if (arg[0] != '-')
2226 break;
2227 if (!strcmp(arg, "--")) {
2228 i++;
2229 break;
2230 }
2231 if (!strcmp(arg, "-y")) {
2232 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2233 continue;
2234 }
2235 if (!strcmp(arg, "-i")) {
2236 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2237 continue;
2238 }
2239 if (!strcmp(arg, "-l")) {
2240 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2241 continue;
2242 }
2243 if (!strcmp(arg, "-n")) {
2244 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2245 continue;
2246 }
2247 if (!strcmp(arg, "-a")) {
2248 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2249 continue;
2250 }
2251 if (!strcmp(arg, "-v")) {
2252 flags |= CPSI_FLAG_VERBOSE;
2253 continue;
2254 }
2255 break;
2256 }
2257 if (i + 1 >= argc) /* need at least souce file and pattern */
2258 return -E_AFT_SYNTAX;
2259 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2260 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2261 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2262 com_cpsi_callback, &result);
2263 if (ret > 0) {
2264 send_buffer(fd, (char *)result.data);
2265 free(result.data);
2266 } else
2267 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2268 return ret;
2269 }
2270
2271 /* TODO: optionally fix problems by removing offending rows */
2272 static int check_audio_file(struct osl_row *row, void *data)
2273 {
2274 char *path;
2275 struct para_buffer *pb = data;
2276 struct stat statbuf;
2277 int ret = get_audio_file_path_of_row(row, &path);
2278 struct afs_info afsi;
2279 char *blob_name;
2280
2281 if (ret < 0) {
2282 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
2283 return 1;
2284 }
2285 if (stat(path, &statbuf) < 0)
2286 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2287 else {
2288 if (!S_ISREG(statbuf.st_mode))
2289 para_printf(pb, "%s: not a regular file\n", path);
2290 }
2291 ret = get_afsi_of_row(row, &afsi);
2292 if (ret < 0) {
2293 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
2294 return 1;
2295 }
2296 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2297 if (ret < 0)
2298 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2299 PARA_STRERROR(-ret));
2300 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2301 if (ret < 0)
2302 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2303 PARA_STRERROR(-ret));
2304 return 1;
2305 }
2306
2307 /**
2308 * Check the audio file table for inconsistencies.
2309 *
2310 * \param query Unused.
2311 * \param result Contains message string upon return.
2312 *
2313 * This function always succeeds.
2314 *
2315 * \sa com_check().
2316 */
2317 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
2318 {
2319 struct para_buffer pb = {.buf = NULL};
2320
2321 para_printf(&pb, "checking audio file table...\n");
2322 audio_file_loop(&pb, check_audio_file);
2323 result->data = pb.buf;
2324 result->size = pb.size;
2325 return 1;
2326
2327 }
2328
2329 /**
2330 * Close the audio file table.
2331 *
2332 * \param flags Usual flags that are passed to osl_close_table().
2333 *
2334 * \sa osl_close_table().
2335 */
2336 static void aft_close(void)
2337 {
2338 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2339 audio_file_table = NULL;
2340 }
2341
2342 /**
2343 * Open the audio file table.
2344 *
2345 * \param dir The database directory.
2346 *
2347 * \return Standard.
2348 *
2349 * \sa osl_open_table().
2350 */
2351 static int aft_open(const char *dir)
2352 {
2353 int ret;
2354
2355 audio_file_table_desc.dir = dir;
2356 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2357 if (ret >= 0) {
2358 unsigned num;
2359 osl_get_num_rows(audio_file_table, &num);
2360 PARA_INFO_LOG("audio file table contains %d files\n", num);
2361 return ret;
2362 }
2363 PARA_INFO_LOG("failed to open audio file table\n");
2364 audio_file_table = NULL;
2365 if (ret >= 0 || is_errno(-ret, ENOENT))
2366 return 1;
2367 return ret;
2368 }
2369
2370 static int aft_create(const char *dir)
2371 {
2372 audio_file_table_desc.dir = dir;
2373 return osl_create_table(&audio_file_table_desc);
2374 }
2375
2376 static int clear_attribute(struct osl_row *row, void *data)
2377 {
2378 struct rmatt_event_data *red = data;
2379 struct afs_info afsi;
2380 struct osl_object obj;
2381 int ret = get_afsi_object_of_row(row, &obj);
2382 uint64_t mask = ~(1ULL << red->bitnum);
2383
2384 if (ret < 0)
2385 return ret;
2386 ret = load_afsi(&afsi, &obj);
2387 if (ret < 0)
2388 return ret;
2389 afsi.attributes &= mask;
2390 save_afsi(&afsi, &obj);
2391 return 1;
2392 }
2393
2394 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2395 void *data)
2396 {
2397 switch(event) {
2398 case ATTRIBUTE_REMOVE: {
2399 const struct rmatt_event_data *red = data;
2400 para_printf(pb, "clearing attribute %s (bit %u) from all "
2401 "entries in the audio file table\n", red->name,
2402 red->bitnum);
2403 return audio_file_loop(data, clear_attribute);
2404 }
2405 default:
2406 return 1;
2407 }
2408 }
2409
2410 void aft_init(struct afs_table *t)
2411 {
2412 t->name = audio_file_table_desc.name;
2413 t->open = aft_open;
2414 t->close = aft_close;
2415 t->create = aft_create;
2416 t->event_handler = aft_event_handler;
2417 }