Fix com_pause().
[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 /** The total number of chunks (4 bytes). */
317 CHUNKS_TOTAL_OFFSET = 20,
318 /** The length of the audio file header (4 bytes). */
319 HEADER_LEN_OFFSET = 24,
320 /** The start of the audio file header (4 bytes). */
321 HEADER_OFFSET_OFFSET = 28,
322 /** The seconds part of the chunk time (4 bytes). */
323 CHUNK_TV_TV_SEC_OFFSET = 32,
324 /** The microseconds part of the chunk time (4 bytes). */
325 CHUNK_TV_TV_USEC_OFFSET = 36,
326 /** Number of channels is stored here. (1 byte) */
327 AFHI_CHANNELS_OFFSET = 40,
328 /** EOF timeout in ms. (2 byte) */
329 AFHI_EOF_OFFSET = 41,
330 /** The tag info position. */
331 AFHI_INFO_STRING_OFFSET = 43,
332 /** Minimal on-disk size of a valid afhi struct. */
333 MIN_AFHI_SIZE = 44
334 };
335
336 static unsigned sizeof_afhi_buf(const struct afh_info *afhi)
337 {
338 if (!afhi)
339 return 0;
340 return strlen(afhi->info_string) + MIN_AFHI_SIZE;
341 }
342
343 static void save_afhi(struct afh_info *afhi, char *buf)
344 {
345 if (!afhi)
346 return;
347 write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET, afhi->seconds_total);
348 write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
349 write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
350 write_u32(buf + AFHI_HEADER_OFFSET_OFFSET, afhi->header_offset);
351 write_u32(buf + AFHI_HEADER_LEN_OFFSET, afhi->header_len);
352 write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
353 write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
354 write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
355 write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
356 write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
357 write_u32(buf + CHUNK_TV_TV_USEC_OFFSET, afhi->chunk_tv.tv_usec);
358 write_u16(buf + AFHI_EOF_OFFSET, tv2ms(&afhi->eof_tv));
359 strcpy(buf + AFHI_INFO_STRING_OFFSET, afhi->info_string); /* OK */
360 }
361
362 static void load_afhi(const char *buf, struct afh_info *afhi)
363 {
364 afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
365 afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
366 afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
367 afhi->header_offset = read_u32(buf + AFHI_HEADER_OFFSET_OFFSET);
368 afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_OFFSET);
369 afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
370 afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
371 afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
372 afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
373 afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
374 afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC_OFFSET);
375 ms2tv(read_u16(buf + AFHI_EOF_OFFSET), &afhi->eof_tv);
376 strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
377 }
378
379 static unsigned sizeof_chunk_table(struct afh_info *afhi)
380 {
381 if (!afhi)
382 return 0;
383 return 4 * (afhi->chunks_total + 1);
384 }
385
386 static void save_chunk_table(struct afh_info *afhi, char *buf)
387 {
388 int i;
389
390 for (i = 0; i <= afhi->chunks_total; i++)
391 write_u32(buf + 4 * i, afhi->chunk_table[i]);
392 }
393
394 static void load_chunk_table(struct afh_info *afhi, char *buf)
395 {
396 int i;
397
398 afhi->chunk_table = para_malloc(sizeof_chunk_table(afhi));
399 for (i = 0; i <= afhi->chunks_total; i++)
400 afhi->chunk_table[i] = read_u32(buf + 4 * i);
401 }
402
403 /**
404 * Get the row of the audio file table corresponding to the given path.
405 *
406 * \param path The full path of the audio file.
407 * \param row Result pointer.
408 *
409 * \return The return value of the underlying call to osl_get_row().
410 */
411 int aft_get_row_of_path(const char *path, struct osl_row **row)
412 {
413 struct osl_object obj = {.data = (char *)path, .size = strlen(path) + 1};
414
415 return osl_get_row(audio_file_table, AFTCOL_PATH, &obj, row);
416 }
417
418 /**
419 * Get the row of the audio file table corresponding to the given hash value.
420 *
421 * \param hash The hash value of the desired audio file.
422 * \param row resul pointer.
423 *
424 * \return The return value of the underlying call to osl_get_row().
425 */
426 int aft_get_row_of_hash(HASH_TYPE *hash, struct osl_row **row)
427 {
428 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
429 return osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row);
430 }
431
432 /**
433 * Get the osl object holding the audio file selector info of a row.
434 *
435 * \param row Pointer to a row in the audio file table.
436 * \param obj Result pointer.
437 *
438 * \return The return value of the underlying call to osl_get_object().
439 */
440 int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
441 {
442 return osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj);
443 }
444
445 /**
446 * Get the osl object holding the audio file selector info, given a path.
447 *
448 *
449 * \param path The full path of the audio file.
450 * \param obj Result pointer.
451 *
452 * \return Positive on success, negative on errors.
453 */
454 int get_afsi_object_of_path(const char *path, struct osl_object *obj)
455 {
456 struct osl_row *row;
457 int ret = aft_get_row_of_path(path, &row);
458 if (ret < 0)
459 return ret;
460 return get_afsi_object_of_row(row, obj);
461 }
462
463 /**
464 * Get the audio file selector info, given a row of the audio file table.
465 *
466 * \param row Pointer to a row in the audio file table.
467 * \param afsi Result pointer.
468 *
469 * \return Positive on success, negative on errors.
470 */
471 int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi)
472 {
473 struct osl_object obj;
474 int ret = get_afsi_object_of_row(row, &obj);
475 if (ret < 0)
476 return ret;
477 return load_afsi(afsi, &obj);
478 }
479
480 /**
481 * Get the audio file selector info, given the path of an audio table.
482 *
483 * \param path The full path of the audio file.
484 * \param afsi Result pointer.
485 *
486 * \return Positive on success, negative on errors.
487 */
488 int get_afsi_of_path(const char *path, struct afs_info *afsi)
489 {
490 struct osl_object obj;
491 int ret = get_afsi_object_of_path(path, &obj);
492 if (ret < 0)
493 return ret;
494 return load_afsi(afsi, &obj);
495 }
496
497 /**
498 * Get the path of an audio file, given a row of the audio file table.
499 *
500 * \param row Pointer to a row in the audio file table.
501 * \param path Result pointer.
502 *
503 * The result is a pointer to mmapped data. The caller must not attempt
504 * to free it.
505 *
506 * \return Standard.
507 */
508 int get_audio_file_path_of_row(const struct osl_row *row, char **path)
509 {
510 struct osl_object path_obj;
511 int ret = osl_get_object(audio_file_table, row, AFTCOL_PATH,
512 &path_obj);
513 if (ret < 0)
514 return ret;
515 *path = path_obj.data;
516 return 1;
517 }
518
519 /**
520 * Get the object containing the hash value of an audio file, given a row.
521 *
522 * \param row Pointer to a row of the audio file table.
523 * \param obj Result pointer.
524 *
525 * \return The return value of the underlying call to osl_get_object().
526 *
527 * \sa get_hash_of_row().
528 */
529 static int get_hash_object_of_aft_row(const struct osl_row *row, struct osl_object *obj)
530 {
531 return osl_get_object(audio_file_table, row, AFTCOL_HASH, obj);
532 }
533
534 /**
535 * Get the hash value of an audio file, given a row of the audio file table.
536 *
537 * \param row Pointer to a row of the audio file table.
538 * \param hash Result pointer.
539 *
540 * \a hash points to mapped data and must not be freed by the caller.
541 *
542 * \return The return value of the underlying call to
543 * get_hash_object_of_aft_row().
544 */
545 static int get_hash_of_row(const struct osl_row *row, HASH_TYPE **hash)
546 {
547 struct osl_object obj;
548 int ret = get_hash_object_of_aft_row(row, &obj);
549
550 if (ret < 0)
551 return ret;
552 *hash = obj.data;
553 return 1;
554 }
555
556 /**
557 * Get the audio format handler info, given a row of the audio file table.
558 *
559 * \param row Pointer to a row of the audio file table.
560 * \param afhi Result pointer.
561 *
562 * \return The return value of the underlying call to osl_get_object().
563 *
564 * \sa get_chunk_table_of_row().
565 */
566 int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi)
567 {
568 struct osl_object obj;
569 int ret = osl_get_object(audio_file_table, row, AFTCOL_AFHI,
570 &obj);
571 if (ret < 0)
572 return ret;
573 load_afhi(obj.data, afhi);
574 return 1;
575 }
576
577 /* returns shmid on success */
578 static int save_afd(struct audio_file_data *afd)
579 {
580 size_t size = sizeof(*afd) + sizeof_chunk_table(&afd->afhi);
581
582 PARA_DEBUG_LOG("size: %zu\n", size);
583 int shmid, ret = shm_new(size);
584 void *shm_afd;
585 char *buf;
586
587 if (ret < 0)
588 return ret;
589 shmid = ret;
590 ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
591 if (ret < 0)
592 goto err;
593 *(struct audio_file_data *)shm_afd = *afd;
594 buf = shm_afd;
595 buf += sizeof(*afd);
596 save_chunk_table(&afd->afhi, buf);
597 shm_detach(shm_afd);
598 return shmid;
599 err:
600 shm_destroy(shmid);
601 return ret;
602 }
603
604 int load_afd(int shmid, struct audio_file_data *afd)
605 {
606 void *shm_afd;
607 char *buf;
608 int ret;
609
610 ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
611 if (ret < 0)
612 return ret;
613 *afd = *(struct audio_file_data *)shm_afd;
614 buf = shm_afd;
615 buf += sizeof(*afd);
616 load_chunk_table(&afd->afhi, buf);
617 shm_detach(shm_afd);
618 return 1;
619 }
620
621 /**
622 * Mmap the given audio file and update statistics.
623 *
624 * \param aft_row Determines the audio file to be opened and updated.
625 * \param afd Result pointer.
626 *
627 * On success, the numplayed field of the audio file selector info is increased
628 * and the lastplayed time is set to the current time. Finally, the score of
629 * the audio file is updated.
630 *
631 * \return Positive shmid on success, negative on errors.
632 */
633 int open_and_update_audio_file(struct osl_row *aft_row,
634 struct audio_file_data *afd, long score)
635 {
636 HASH_TYPE *aft_hash, file_hash[HASH_SIZE];
637 struct osl_object afsi_obj;
638 struct afs_info old_afsi, new_afsi;
639 int ret = get_hash_of_row(aft_row, &aft_hash);
640 struct afsi_change_event_data aced;
641 struct osl_object map, chunk_table_obj;
642 char *path;
643
644 if (ret < 0)
645 return ret;
646 ret = get_audio_file_path_of_row(aft_row, &path);
647 if (ret < 0)
648 return ret;
649 ret = get_afsi_object_of_row(aft_row, &afsi_obj);
650 if (ret < 0)
651 return ret;
652 ret = load_afsi(&old_afsi, &afsi_obj);
653 if (ret < 0)
654 return ret;
655 ret = get_afhi_of_row(aft_row, &afd->afhi);
656 if (ret < 0)
657 return ret;
658 ret = osl_open_disk_object(audio_file_table, aft_row,
659 AFTCOL_CHUNKS, &chunk_table_obj);
660 if (ret < 0)
661 return ret;
662 ret = mmap_full_file(path, O_RDONLY, &map.data,
663 &map.size, &afd->fd);
664 if (ret < 0)
665 goto err;
666 hash_function(map.data, map.size, file_hash);
667 ret = hash_compare(file_hash, aft_hash);
668 para_munmap(map.data, map.size);
669 if (ret) {
670 ret = -E_HASH_MISMATCH;
671 goto err;
672 }
673 new_afsi = old_afsi;
674 new_afsi.num_played++;
675 new_afsi.last_played = time(NULL);
676 save_afsi(&new_afsi, &afsi_obj); /* in-place update */
677
678 load_chunk_table(&afd->afhi, chunk_table_obj.data);
679 {
680 struct ls_data d = {
681 .afhi = afd->afhi,
682 .afsi = old_afsi,
683 .path = path,
684 .score = score,
685 .hash = file_hash
686 };
687 struct para_buffer pb = {.buf = NULL};
688 ret = make_status_items(&d, &pb);
689 if (ret < 0)
690 goto err;
691 strncpy(afd->verbose_ls_output, pb.buf, VERBOSE_LS_OUTPUT_SIZE);
692 afd->verbose_ls_output[VERBOSE_LS_OUTPUT_SIZE - 1] = '\0';
693 free(pb.buf);
694 }
695 aced.aft_row = aft_row;
696 aced.old_afsi = &old_afsi;
697 afs_event(AFSI_CHANGE, NULL, &aced);
698 ret = save_afd(afd);
699 free(afd->afhi.chunk_table);
700 if (ret < 0)
701 goto err;
702 err:
703 osl_close_disk_object(&chunk_table_obj);
704 return ret;
705 }
706
707 static int get_local_time(uint64_t *seconds, char *buf, size_t size,
708 time_t current_time, enum ls_listing_mode lm)
709 {
710 struct tm t;
711
712 if (!localtime_r((time_t *)seconds, &t))
713 return -E_LOCALTIME;
714 if (lm == LS_MODE_MBOX) {
715 if (!strftime(buf, size, "%c", &t))
716 return -E_STRFTIME;
717 return 1;
718 }
719 if (*seconds + 6 * 30 * 24 * 3600 > current_time) {
720 if (!strftime(buf, size, "%b %e %k:%M", &t))
721 return -E_STRFTIME;
722 return 1;
723 }
724 if (!strftime(buf, size, "%b %e %Y", &t))
725 return -E_STRFTIME;
726 return 1;
727 }
728
729 /** Compute the number of (decimal) digits of a number. */
730 #define GET_NUM_DIGITS(x, num) { \
731 typeof((x)) _tmp = PARA_ABS(x); \
732 *num = 1; \
733 if ((x)) \
734 while ((_tmp) > 9) { \
735 (_tmp) /= 10; \
736 (*num)++; \
737 } \
738 }
739
740 static short unsigned get_duration_width(int seconds)
741 {
742 short unsigned width;
743 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
744
745 if (!hours) /* less than one hour => m:ss or mm:ss => 4 or 5 digits */
746 return 4 + (mins > 9);
747 /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
748 GET_NUM_DIGITS(hours, &width);
749 return width + 6;
750 }
751
752 static void get_duration_buf(int seconds, char *buf, struct ls_options *opts)
753 {
754 unsigned hours = seconds / 3600, mins = (seconds % 3600) / 60;
755 short unsigned max_width;
756
757 if (!hours) { /* m:ss or mm:ss */
758 max_width = opts->mode == LS_MODE_LONG?
759 opts->widths.duration_width : 4;
760 sprintf(buf, "%*u:%02u", max_width - 3, mins, seconds % 60);
761 } else { /* more than one hour => h:mm:ss, hh:mm:ss, hhh:mm:ss, ... */
762 max_width = opts->mode == LS_MODE_LONG?
763 opts->widths.duration_width : 7;
764 sprintf(buf, "%*u:%02u:%02u", max_width - 6, hours, mins,
765 seconds % 60);
766 }
767 }
768
769 static char *make_attribute_lines(const char *att_bitmap, struct afs_info *afsi)
770 {
771 char *att_text, *att_lines;
772
773 get_attribute_text(&afsi->attributes, " ", &att_text);
774 if (!att_text)
775 return para_strdup(att_bitmap);
776 att_lines = make_message("%s: %s\n%s: %s",
777 status_item_list[SI_ATTRIBUTES_BITMAP], att_bitmap,
778 status_item_list[SI_ATTRIBUTES_TXT], att_text);
779 free(att_text);
780 return att_lines;
781 }
782
783 static char *make_lyrics_lines(struct afs_info *afsi)
784 {
785 char *lyrics_name;
786
787 lyr_get_name_by_id(afsi->lyrics_id, &lyrics_name);
788 return make_message("%s: %u\n%s: %s\n",
789 status_item_list[SI_LYRICS_ID], afsi->lyrics_id,
790 status_item_list[SI_LYRICS_NAME], lyrics_name?
791 lyrics_name : "(none)");
792 }
793
794 static char *make_image_lines(struct afs_info *afsi)
795 {
796 char *image_name;
797 img_get_name_by_id(afsi->image_id, &image_name);
798 return make_message("%s: %u\n%s: %s\n",
799 status_item_list[SI_IMAGE_ID], afsi->image_id,
800 status_item_list[SI_IMAGE_NAME], image_name?
801 image_name : "(none)");
802 }
803
804 static char *make_filename_lines(const char *path, unsigned flags)
805 {
806 char *basename, *dirname;
807 char *ret;
808
809 if (!(flags & LS_FLAG_FULL_PATH))
810 return make_message("%s: %s\n%s:\n",
811 status_item_list[SI_BASENAME], path,
812 status_item_list[SI_DIRECTORY]);
813 basename = para_basename(path),
814 dirname = para_dirname(path);
815 ret = make_message("%s: %s\n%s: %s\n%s: %s\n",
816 status_item_list[SI_PATH], path,
817 status_item_list[SI_DIRECTORY], dirname,
818 status_item_list[SI_BASENAME], basename);
819 free(basename);
820 free(dirname);
821 return ret;
822 }
823
824 static int print_list_item(struct ls_data *d, struct ls_options *opts,
825 struct para_buffer *b, time_t current_time)
826 {
827 int ret;
828 char att_buf[65];
829 char last_played_time[30];
830 char duration_buf[30]; /* nobody has an audio file long enough to overflow this */
831 char score_buf[30] = "";
832 struct afs_info *afsi = &d->afsi;
833 struct afh_info *afhi = &d->afhi;
834 struct ls_widths *w = &opts->widths;
835 int have_score = opts->flags & LS_FLAG_ADMISSIBLE_ONLY;
836 char asc_hash[2 * HASH_SIZE + 1];
837 char *att_lines, *lyrics_lines, *image_lines, *filename_lines;
838
839 if (opts->mode == LS_MODE_SHORT) {
840 para_printf(b, "%s\n", d->path);
841 return 1;
842 }
843 get_attribute_bitmap(&afsi->attributes, att_buf);
844 ret = get_local_time(&afsi->last_played, last_played_time,
845 sizeof(last_played_time), current_time, opts->mode);
846 if (ret < 0)
847 return ret;
848 get_duration_buf(afhi->seconds_total, duration_buf, opts);
849 if (have_score) {
850 if (opts->mode == LS_MODE_LONG)
851 sprintf(score_buf, "%*li ", w->score_width, d->score);
852 else
853 sprintf(score_buf, "%li ", d->score);
854 }
855
856 if (opts->mode == LS_MODE_LONG) {
857 para_printf(b,
858 "%s" /* score */
859 "%s " /* attributes */
860 "%*d " /* image_id */
861 "%*d " /* lyrics_id */
862 "%*d " /* bitrate */
863 "%s " /* audio format */
864 "%*d " /* frequency */
865 "%d " /* channels */
866 "%s " /* duration */
867 "%*d " /* num_played */
868 "%s " /* last_played */
869 "%s\n", /* path */
870 score_buf,
871 att_buf,
872 w->image_id_width, afsi->image_id,
873 w->lyrics_id_width, afsi->lyrics_id,
874 w->bitrate_width, afhi->bitrate,
875 audio_format_name(afsi->audio_format_id),
876 w->frequency_width, afhi->frequency,
877 afhi->channels,
878 duration_buf,
879 w->num_played_width, afsi->num_played,
880 last_played_time,
881 d->path
882 );
883 return 1;
884 }
885 hash_to_asc(d->hash, asc_hash);
886 att_lines = make_attribute_lines(att_buf, afsi);
887 lyrics_lines = make_lyrics_lines(afsi);
888 image_lines = make_image_lines(afsi);
889 filename_lines = make_filename_lines(d->path, opts->flags);
890 if (opts->mode == LS_MODE_VERBOSE) {
891 para_printf(b,
892 "%s" /* filename stuff */
893 "%s%s%s%s" /* score */
894 "%s\n" /* attributes */
895 "%s: %s\n" /* hash */
896 "%s" /* image id, image name */
897 "%s" /* lyrics */
898 "%s: %dkbit/s\n" /* bitrate */
899 "%s: %s\n" /* format */
900 "%s: %dHz\n" /* frequency */
901 "%s: %d\n" /* channels */
902 "%s: %s\n" /* duration */
903 "%s: %lu\n" /* seconds total */
904 "%s: %d\n" /* num_played */
905 "%s: %s\n" /* last_played */
906 "%s", /* tag info */
907 filename_lines,
908 have_score? status_item_list[SI_SCORE] : "",
909 have_score? ": " : "",
910 score_buf,
911 have_score? "\n" : "",
912 att_lines,
913 status_item_list[SI_HASH], asc_hash,
914 image_lines,
915 lyrics_lines,
916 status_item_list[SI_BITRATE], afhi->bitrate,
917 status_item_list[SI_FORMAT], audio_format_name(afsi->audio_format_id),
918 status_item_list[SI_FREQUENCY], afhi->frequency,
919 status_item_list[SI_CHANNELS], afhi->channels,
920 status_item_list[SI_DURATION], duration_buf,
921 status_item_list[SI_SECONDS_TOTAL], afhi->seconds_total,
922 status_item_list[SI_NUM_PLAYED], afsi->num_played,
923 status_item_list[SI_LAST_PLAYED], last_played_time,
924 afhi->info_string
925 );
926 } else { /* mbox mode */ /* FIXME: merge with verbose output */
927 struct osl_object lyrics_def;
928 lyr_get_def_by_id(afsi->lyrics_id, &lyrics_def);
929 para_printf(b,
930 "From foo@localhost %s\n"
931 "Received: from\nTo: bar\nFrom: a\n"
932 "Subject: %s\n\n" /* path */
933 "%s%s%s" /* score */
934 "%s\n" /* attributes */
935 "hash: %s\n"
936 "%s\n" /* image id, image name */
937 "lyrics_id: %s\n"
938 "bitrate: %dkbit/s\n"
939 "format: %s\n"
940 "frequency: %dHz\n"
941 "channels: %d\n"
942 "duration: %s\n"
943 "num_played: %d\n"
944 "%s\n" /* tag info */
945 "%s%s\n",
946 last_played_time,
947 d->path,
948 have_score? "score: " : "", score_buf,
949 have_score? "\n" : "",
950 att_lines,
951 asc_hash,
952 image_lines,
953 lyrics_lines,
954 afhi->bitrate,
955 audio_format_name(afsi->audio_format_id),
956 afhi->frequency,
957 afhi->channels,
958 duration_buf,
959 afsi->num_played,
960 afhi->info_string,
961 lyrics_def.data? "Lyrics:\n~~~~~~~\n" : "",
962 lyrics_def.data? (char *)lyrics_def.data : ""
963 );
964 if (lyrics_def.data)
965 osl_close_disk_object(lyrics_def.data);
966 }
967 free(att_lines);
968 free(lyrics_lines);
969 free(image_lines);
970 free(filename_lines);
971 return 1;
972 }
973
974 void make_empty_status_items(char *buf)
975 {
976 sprintf(buf,
977 "%s: \n" /* path */
978 "%s: \n" /* dirname */
979 "%s: \n" /* basename */
980 "%s: \n" /* score */
981 "%s: \n" /* attributes bitnmap */
982 "%s: \n" /* attributes txt */
983 "%s: \n" /* hash */
984 "%s: \n" /* image id */
985 "%s: \n" /* image name */
986 "%s: \n" /* lyrics id */
987 "%s: \n" /* lyrics name */
988 "%s: \n" /* bitrate */
989 "%s: \n" /* format */
990 "%s: \n" /* frequency */
991 "%s: \n" /* channels */
992 "%s: \n" /* duration */
993 "%s: \n" /* seconds total */
994 "%s: \n" /* num played */
995 "%s: \n" /* last played */
996 ,
997 status_item_list[SI_PATH],
998 status_item_list[SI_DIRECTORY],
999 status_item_list[SI_BASENAME],
1000 status_item_list[SI_SCORE],
1001 status_item_list[SI_ATTRIBUTES_BITMAP],
1002 status_item_list[SI_ATTRIBUTES_TXT],
1003 status_item_list[SI_HASH],
1004 status_item_list[SI_IMAGE_ID],
1005 status_item_list[SI_IMAGE_NAME],
1006 status_item_list[SI_LYRICS_ID],
1007 status_item_list[SI_LYRICS_NAME],
1008 status_item_list[SI_BITRATE],
1009 status_item_list[SI_FORMAT],
1010 status_item_list[SI_FREQUENCY],
1011 status_item_list[SI_CHANNELS],
1012 status_item_list[SI_DURATION],
1013 status_item_list[SI_SECONDS_TOTAL],
1014 status_item_list[SI_NUM_PLAYED],
1015 status_item_list[SI_LAST_PLAYED]
1016 );
1017 }
1018
1019 int make_status_items(struct ls_data *d, struct para_buffer *pb)
1020 {
1021 struct ls_options opts = {
1022 .flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
1023 .mode = LS_MODE_VERBOSE,
1024 };
1025 time_t current_time;
1026
1027 time(&current_time);
1028 return print_list_item(d, &opts, pb, current_time);
1029 }
1030
1031
1032 static int ls_audio_format_compare(const void *a, const void *b)
1033 {
1034 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1035 return NUM_COMPARE(d1->afsi.audio_format_id, d2->afsi.audio_format_id);
1036 }
1037
1038 static int ls_duration_compare(const void *a, const void *b)
1039 {
1040 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1041 return NUM_COMPARE(d1->afhi.seconds_total, d2->afhi.seconds_total);
1042 }
1043
1044 static int ls_bitrate_compare(const void *a, const void *b)
1045 {
1046 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1047 return NUM_COMPARE(d1->afhi.bitrate, d2->afhi.bitrate);
1048 }
1049
1050 static int ls_lyrics_id_compare(const void *a, const void *b)
1051 {
1052 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1053 return NUM_COMPARE(d1->afsi.lyrics_id, d2->afsi.lyrics_id);
1054 }
1055
1056 static int ls_image_id_compare(const void *a, const void *b)
1057 {
1058 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1059 return NUM_COMPARE(d1->afsi.image_id, d2->afsi.image_id);
1060 }
1061
1062 static int ls_channels_compare(const void *a, const void *b)
1063 {
1064 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1065 return NUM_COMPARE(d1->afhi.channels, d2->afhi.channels);
1066 }
1067
1068 static int ls_frequency_compare(const void *a, const void *b)
1069 {
1070 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1071 return NUM_COMPARE(d1->afhi.frequency, d2->afhi.frequency);
1072 }
1073
1074 static int ls_num_played_compare(const void *a, const void *b)
1075 {
1076 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1077 return NUM_COMPARE(d1->afsi.num_played, d2->afsi.num_played);
1078 }
1079
1080 static int ls_last_played_compare(const void *a, const void *b)
1081 {
1082 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1083 return NUM_COMPARE(d1->afsi.last_played, d2->afsi.last_played);
1084 }
1085
1086 static int ls_score_compare(const void *a, const void *b)
1087 {
1088 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1089 return NUM_COMPARE(d1->score, d2->score);
1090 }
1091
1092 static int ls_path_compare(const void *a, const void *b)
1093 {
1094 struct ls_data *d1 = *(struct ls_data **)a, *d2 = *(struct ls_data **)b;
1095 return strcmp(d1->path, d2->path);
1096 }
1097
1098 static int sort_matching_paths(struct ls_options *options)
1099 {
1100 size_t nmemb = options->num_matching_paths;
1101 size_t size = sizeof(*options->data_ptr);
1102 int (*compar)(const void *, const void *);
1103 int i;
1104
1105 options->data_ptr = para_malloc(nmemb * sizeof(*options->data_ptr));
1106 for (i = 0; i < nmemb; i++)
1107 options->data_ptr[i] = options->data + i;
1108
1109 /* In these cases the array is already sorted */
1110 if (options->sorting == LS_SORT_BY_PATH
1111 && !(options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1112 && (options->flags & LS_FLAG_FULL_PATH))
1113 return 1;
1114 if (options->sorting == LS_SORT_BY_SCORE &&
1115 options->flags & LS_FLAG_ADMISSIBLE_ONLY)
1116 return 1;
1117
1118 switch (options->sorting) {
1119 case LS_SORT_BY_PATH:
1120 compar = ls_path_compare; break;
1121 case LS_SORT_BY_SCORE:
1122 compar = ls_score_compare; break;
1123 case LS_SORT_BY_LAST_PLAYED:
1124 compar = ls_last_played_compare; break;
1125 case LS_SORT_BY_NUM_PLAYED:
1126 compar = ls_num_played_compare; break;
1127 case LS_SORT_BY_FREQUENCY:
1128 compar = ls_frequency_compare; break;
1129 case LS_SORT_BY_CHANNELS:
1130 compar = ls_channels_compare; break;
1131 case LS_SORT_BY_IMAGE_ID:
1132 compar = ls_image_id_compare; break;
1133 case LS_SORT_BY_LYRICS_ID:
1134 compar = ls_lyrics_id_compare; break;
1135 case LS_SORT_BY_BITRATE:
1136 compar = ls_bitrate_compare; break;
1137 case LS_SORT_BY_DURATION:
1138 compar = ls_duration_compare; break;
1139 case LS_SORT_BY_AUDIO_FORMAT:
1140 compar = ls_audio_format_compare; break;
1141 default:
1142 return -E_BAD_SORT;
1143 }
1144 qsort(options->data_ptr, nmemb, size, compar);
1145 return 1;
1146 }
1147
1148 /* row is either an aft_row or a row of the score table */
1149 /* TODO: Only compute widths if we need them */
1150 static int prepare_ls_row(struct osl_row *row, void *ls_opts)
1151 {
1152 int ret, i;
1153 struct ls_options *options = ls_opts;
1154 struct ls_data *d;
1155 struct ls_widths *w;
1156 unsigned short num_digits;
1157 unsigned tmp;
1158 struct osl_row *aft_row;
1159 long score;
1160 char *path;
1161
1162 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1163 ret = get_score_and_aft_row(row, &score, &aft_row);
1164 if (ret < 0)
1165 return ret;
1166 } else
1167 aft_row = row;
1168 ret = get_audio_file_path_of_row(aft_row, &path);
1169 if (ret < 0)
1170 return ret;
1171 if (!(options->flags & LS_FLAG_FULL_PATH)) {
1172 char *p = strrchr(path, '/');
1173 if (p)
1174 path = p + 1;
1175 }
1176 if (options->num_patterns) {
1177 for (i = 0; i < options->num_patterns; i++) {
1178 ret = fnmatch(options->patterns[i], path, 0);
1179 if (!ret)
1180 break;
1181 if (ret == FNM_NOMATCH)
1182 continue;
1183 return -E_FNMATCH;
1184 }
1185 if (i >= options->num_patterns) /* no match */
1186 return 1;
1187 }
1188 tmp = options->num_matching_paths++;
1189 if (options->num_matching_paths > options->array_size) {
1190 options->array_size++;
1191 options->array_size *= 2;
1192 options->data = para_realloc(options->data, options->array_size
1193 * sizeof(*options->data));
1194 }
1195 d = options->data + tmp;
1196 ret = get_afsi_of_row(aft_row, &d->afsi);
1197 if (ret < 0)
1198 return ret;
1199 ret = get_afhi_of_row(aft_row, &d->afhi);
1200 if (ret < 0)
1201 return ret;
1202 d->path = path;
1203 ret = get_hash_of_row(aft_row, &d->hash);
1204 if (ret < 0)
1205 return ret;
1206 w = &options->widths;
1207 GET_NUM_DIGITS(d->afsi.image_id, &num_digits);
1208 w->image_id_width = PARA_MAX(w->image_id_width, num_digits);
1209 GET_NUM_DIGITS(d->afsi.lyrics_id, &num_digits);
1210 w->lyrics_id_width = PARA_MAX(w->lyrics_id_width, num_digits);
1211 GET_NUM_DIGITS(d->afhi.bitrate, &num_digits);
1212 w->bitrate_width = PARA_MAX(w->bitrate_width, num_digits);
1213 GET_NUM_DIGITS(d->afhi.frequency, &num_digits);
1214 w->frequency_width = PARA_MAX(w->frequency_width, num_digits);
1215 GET_NUM_DIGITS(d->afsi.num_played, &num_digits);
1216 w->num_played_width = PARA_MAX(w->num_played_width, num_digits);
1217 /* get the number of chars to print this amount of time */
1218 tmp = get_duration_width(d->afhi.seconds_total);
1219 w->duration_width = PARA_MAX(w->duration_width, tmp);
1220 if (options->flags & LS_FLAG_ADMISSIBLE_ONLY) {
1221 GET_NUM_DIGITS(score, &num_digits);
1222 num_digits++; /* add one for the sign (space or "-") */
1223 w->score_width = PARA_MAX(w->score_width, num_digits);
1224 d->score = score;
1225 }
1226 return 1;
1227 }
1228
1229 static int com_ls_callback(const struct osl_object *query,
1230 struct osl_object *ls_output)
1231 {
1232 struct ls_options *opts = query->data;
1233 char *p, *pattern_start = (char *)query->data + sizeof(*opts);
1234 struct para_buffer b = {.buf = NULL, .size = 0};
1235 int i = 0, ret;
1236 time_t current_time;
1237
1238
1239 if (opts->num_patterns) {
1240 opts->patterns = para_malloc(opts->num_patterns * sizeof(char *));
1241 for (i = 0, p = pattern_start; i < opts->num_patterns; i++) {
1242 opts->patterns[i] = p;
1243 p += strlen(p) + 1;
1244 }
1245 } else
1246 opts->patterns = NULL;
1247 if (opts->flags & LS_FLAG_ADMISSIBLE_ONLY)
1248 ret = admissible_file_loop(opts, prepare_ls_row);
1249 else
1250 ret = osl_rbtree_loop(audio_file_table, AFTCOL_PATH, opts,
1251 prepare_ls_row);
1252 if (ret < 0)
1253 goto out;
1254 ret = opts->num_patterns? -E_NO_MATCH : 0;
1255 if (!opts->num_matching_paths)
1256 goto out;
1257 ret = sort_matching_paths(opts);
1258 if (ret < 0)
1259 goto out;
1260 time(&current_time);
1261 if (opts->flags & LS_FLAG_REVERSE)
1262 for (i = opts->num_matching_paths - 1; i >= 0; i--) {
1263 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1264 if (ret < 0)
1265 break;
1266 }
1267 else
1268 for (i = 0; i < opts->num_matching_paths; i++) {
1269 ret = print_list_item(opts->data_ptr[i], opts, &b, current_time);
1270 if (ret < 0)
1271 break;
1272 }
1273 ret = 1;
1274 out:
1275 ls_output->data = b.buf;
1276 ls_output->size = b.size;
1277 free(opts->data);
1278 free(opts->data_ptr);
1279 free(opts->patterns);
1280 return ret;
1281 }
1282
1283 /*
1284 * TODO: flags -h (sort by hash)
1285 */
1286 int com_ls(int fd, int argc, char * const * const argv)
1287 {
1288 int i, ret;
1289 unsigned flags = 0;
1290 enum ls_sorting_method sort = LS_SORT_BY_PATH;
1291 enum ls_listing_mode mode = LS_MODE_SHORT;
1292 struct ls_options opts = {.patterns = NULL};
1293 struct osl_object query = {.data = &opts, .size = sizeof(opts)},
1294 ls_output;
1295
1296 for (i = 1; i < argc; i++) {
1297 const char *arg = argv[i];
1298 if (arg[0] != '-')
1299 break;
1300 if (!strcmp(arg, "--")) {
1301 i++;
1302 break;
1303 }
1304 if (!strncmp(arg, "-l", 2)) {
1305 if (!*(arg + 2)) {
1306 mode = LS_MODE_LONG;
1307 continue;
1308 }
1309 if (*(arg + 3))
1310 return -E_AFT_SYNTAX;
1311 switch(*(arg + 2)) {
1312 case 's':
1313 mode = LS_MODE_SHORT;
1314 continue;
1315 case 'l':
1316 mode = LS_MODE_LONG;
1317 continue;
1318 case 'v':
1319 mode = LS_MODE_VERBOSE;
1320 continue;
1321 case 'm':
1322 mode = LS_MODE_MBOX;
1323 continue;
1324 default:
1325 return -E_AFT_SYNTAX;
1326 }
1327 }
1328 if (!strcmp(arg, "-p")) {
1329 flags |= LS_FLAG_FULL_PATH;
1330 continue;
1331 }
1332 if (!strcmp(arg, "-a")) {
1333 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1334 continue;
1335 }
1336 if (!strcmp(arg, "-r")) {
1337 flags |= LS_FLAG_REVERSE;
1338 continue;
1339 }
1340 if (!strncmp(arg, "-s", 2)) {
1341 if (!*(arg + 2) || *(arg + 3))
1342 return -E_AFT_SYNTAX;
1343 switch(*(arg + 2)) {
1344 case 'p':
1345 sort = LS_SORT_BY_PATH;
1346 continue;
1347 case 's': /* -ss implies -a */
1348 sort = LS_SORT_BY_SCORE;
1349 flags |= LS_FLAG_ADMISSIBLE_ONLY;
1350 continue;
1351 case 'l':
1352 sort = LS_SORT_BY_LAST_PLAYED;
1353 continue;
1354 case 'n':
1355 sort = LS_SORT_BY_NUM_PLAYED;
1356 continue;
1357 case 'f':
1358 sort = LS_SORT_BY_FREQUENCY;
1359 continue;
1360 case 'c':
1361 sort = LS_SORT_BY_CHANNELS;
1362 continue;
1363 case 'i':
1364 sort = LS_SORT_BY_IMAGE_ID;
1365 continue;
1366 case 'y':
1367 sort = LS_SORT_BY_LYRICS_ID;
1368 continue;
1369 case 'b':
1370 sort = LS_SORT_BY_BITRATE;
1371 continue;
1372 case 'd':
1373 sort = LS_SORT_BY_DURATION;
1374 continue;
1375 case 'a':
1376 sort = LS_SORT_BY_AUDIO_FORMAT;
1377 continue;
1378 default:
1379 return -E_AFT_SYNTAX;
1380 }
1381 }
1382 return -E_AFT_SYNTAX;
1383 }
1384 opts.flags = flags;
1385 opts.sorting = sort;
1386 opts.mode = mode;
1387 opts.num_patterns = argc - i;
1388 ret = send_option_arg_callback_request(&query, opts.num_patterns,
1389 argv + i, com_ls_callback, &ls_output);
1390 if (ret > 0) {
1391 ret = send_buffer(fd, (char *)ls_output.data);
1392 free(ls_output.data);
1393 }
1394 return ret;
1395 }
1396
1397 /**
1398 * Call the given function for each file in the audio file table.
1399 *
1400 * \param private_data An arbitrary data pointer, passed to \a func.
1401 * \param func The custom function to be called.
1402 *
1403 * \return The return value of the underlying call to osl_rbtree_loop().
1404 */
1405 int audio_file_loop(void *private_data, osl_rbtree_loop_func *func)
1406 {
1407 return osl_rbtree_loop(audio_file_table, AFTCOL_HASH, private_data,
1408 func);
1409 }
1410
1411 static struct osl_row *find_hash_sister(HASH_TYPE *hash)
1412 {
1413 const struct osl_object obj = {.data = hash, .size = HASH_SIZE};
1414 struct osl_row *row;
1415
1416 osl_get_row(audio_file_table, AFTCOL_HASH, &obj, &row);
1417 return row;
1418 }
1419
1420 enum aft_row_offsets {
1421 AFTROW_AFHI_OFFSET_POS = 0,
1422 AFTROW_CHUNKS_OFFSET_POS = 2,
1423 AFTROW_AUDIO_FORMAT_OFFSET = 4,
1424 AFTROW_FLAGS_OFFSET = 5,
1425 AFTROW_HASH_OFFSET = 9,
1426 AFTROW_PATH_OFFSET = (AFTROW_HASH_OFFSET + HASH_SIZE),
1427 };
1428
1429 /* never save the afsi, as the server knows it too. Note that afhi might be NULL.
1430 * In this case, afhi won't be stored in the buffer */
1431 static void save_audio_file_info(HASH_TYPE *hash, const char *path,
1432 struct afh_info *afhi, uint32_t flags,
1433 uint8_t audio_format_num, struct osl_object *obj)
1434 {
1435 size_t path_len = strlen(path) + 1;
1436 size_t afhi_size = sizeof_afhi_buf(afhi);
1437 size_t size = AFTROW_PATH_OFFSET + path_len + afhi_size
1438 + sizeof_chunk_table(afhi);
1439 char *buf = para_malloc(size);
1440 uint16_t pos;
1441
1442 write_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET, audio_format_num);
1443 write_u32(buf + AFTROW_FLAGS_OFFSET, flags);
1444
1445 memcpy(buf + AFTROW_HASH_OFFSET, hash, HASH_SIZE);
1446 strcpy(buf + AFTROW_PATH_OFFSET, path);
1447
1448 pos = AFTROW_PATH_OFFSET + path_len;
1449 PARA_DEBUG_LOG("size: %zu, afhi starts at %d\n", size, pos);
1450 PARA_DEBUG_LOG("last afhi byte: %p, pos %zu\n", buf + pos + afhi_size - 1,
1451 pos + afhi_size - 1);
1452 write_u16(buf + AFTROW_AFHI_OFFSET_POS, pos);
1453 save_afhi(afhi, buf + pos);
1454
1455 pos += afhi_size;
1456 PARA_DEBUG_LOG("size: %zu, chunks start at %d\n", size, pos);
1457 write_u16(buf + AFTROW_CHUNKS_OFFSET_POS, pos);
1458 save_chunk_table(afhi, buf + pos);
1459 PARA_DEBUG_LOG("last byte in buf: %p\n", buf + size - 1);
1460 obj->data = buf;
1461 obj->size = size;
1462 }
1463
1464 /*
1465 input:
1466 ~~~~~~
1467 HS: hash sister
1468 PB: path brother
1469 F: force flag given
1470
1471 output:
1472 ~~~~~~~
1473 AFHI: whether afhi and chunk table are computed and sent
1474 ACTION: table modifications to be performed
1475
1476 +---+----+-----+------+---------------------------------------------------+
1477 | HS | PB | F | AFHI | ACTION
1478 +---+----+-----+------+---------------------------------------------------+
1479 | Y | Y | Y | Y | if HS != PB: remove PB. HS: force afhi update,
1480 | | update path, keep afsi
1481 +---+----+-----+------+---------------------------------------------------+
1482 | Y | Y | N | N | if HS == PB: do not send callback request at all.
1483 | | otherwise: remove PB, HS: update path, keep afhi,
1484 | | afsi.
1485 +---+----+-----+------+---------------------------------------------------+
1486 | Y | N | Y | Y | (rename) force afhi update of HS, update path of
1487 | | HS, keep afsi
1488 +---+----+-----+------+---------------------------------------------------+
1489 | Y | N | N | N | (file rename) update path of HS, keep afsi, afhi
1490 +---+----+-----+------+---------------------------------------------------+
1491 | N | Y | Y | Y | (file change) update afhi, hash, of PB, keep afsi
1492 | | (force has no effect)
1493 +---+----+-----+------+---------------------------------------------------+
1494 | N | Y | N | Y | (file change) update afhi, hash of PB, keep afsi
1495 +---+----+-----+------+---------------------------------------------------+
1496 | N | N | Y | Y | (new file) create new entry (force has no effect)
1497 +---+----+-----+------+---------------------------------------------------+
1498 | N | N | N | Y | (new file) create new entry
1499 +---+----+-----+------+---------------------------------------------------+
1500
1501 afhi <=> force or no HS
1502
1503 */
1504
1505 /** Flags passed to the add command. */
1506 enum com_add_flags {
1507 /** Skip paths that exist already. */
1508 ADD_FLAG_LAZY = 1,
1509 /** Force adding. */
1510 ADD_FLAG_FORCE = 2,
1511 /** Print what is being done. */
1512 ADD_FLAG_VERBOSE = 4,
1513 /** Try to add files with unknown suffixes. */
1514 ADD_FLAG_ALL = 8,
1515 };
1516
1517 static int com_add_callback(const struct osl_object *query,
1518 struct osl_object *result)
1519 {
1520 char *buf = query->data, *path;
1521 struct osl_row *pb, *aft_row;
1522 struct osl_row *hs;
1523 struct osl_object objs[NUM_AFT_COLUMNS];
1524 HASH_TYPE *hash;
1525 char asc[2 * HASH_SIZE + 1];
1526 int ret;
1527 char afsi_buf[AFSI_SIZE];
1528 uint32_t flags = read_u32(buf + AFTROW_FLAGS_OFFSET);
1529 struct afs_info default_afsi = {.last_played = 0};
1530 struct para_buffer msg = {.buf = NULL};
1531
1532 hash = (HASH_TYPE *)buf + AFTROW_HASH_OFFSET;
1533 hash_to_asc(hash, asc);;
1534 objs[AFTCOL_HASH].data = buf + AFTROW_HASH_OFFSET;
1535 objs[AFTCOL_HASH].size = HASH_SIZE;
1536
1537 path = buf + AFTROW_PATH_OFFSET;
1538 objs[AFTCOL_PATH].data = path;
1539 objs[AFTCOL_PATH].size = strlen(path) + 1;
1540
1541 PARA_INFO_LOG("request to add %s\n", path);
1542 hs = find_hash_sister(hash);
1543 ret = aft_get_row_of_path(path, &pb);
1544 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1545 return ret;
1546 if (hs && pb && hs == pb && !(flags & ADD_FLAG_FORCE)) {
1547 if (flags & ADD_FLAG_VERBOSE)
1548 para_printf(&msg, "ignoring duplicate\n");
1549 ret = 1;
1550 goto out;
1551 }
1552 if (hs && hs != pb) {
1553 struct osl_object obj;
1554 if (pb) { /* hs trumps pb, remove pb */
1555 if (flags & ADD_FLAG_VERBOSE)
1556 para_printf(&msg, "removing path brother\n");
1557 ret = osl_del_row(audio_file_table, pb);
1558 if (ret < 0)
1559 goto out;
1560 pb = NULL;
1561 }
1562 /* file rename, update hs' path */
1563 if (flags & ADD_FLAG_VERBOSE) {
1564 ret = osl_get_object(audio_file_table, hs,
1565 AFTCOL_PATH, &obj);
1566 if (ret < 0)
1567 goto out;
1568 para_printf(&msg, "renamed from %s\n", (char *)obj.data);
1569 }
1570 ret = osl_update_object(audio_file_table, hs, AFTCOL_PATH,
1571 &objs[AFTCOL_PATH]);
1572 if (ret < 0)
1573 goto out;
1574 afs_event(AUDIO_FILE_RENAME, &msg, hs);
1575 if (!(flags & ADD_FLAG_FORCE))
1576 goto out;
1577 }
1578 /* no hs or force mode, child must have sent afhi */
1579 uint16_t afhi_offset = read_u16(buf + AFTROW_AFHI_OFFSET_POS);
1580 uint16_t chunks_offset = read_u16(buf + AFTROW_CHUNKS_OFFSET_POS);
1581
1582 objs[AFTCOL_AFHI].data = buf + afhi_offset;
1583 objs[AFTCOL_AFHI].size = chunks_offset - afhi_offset;
1584 ret = -E_NO_AFHI;
1585 if (!objs[AFTCOL_AFHI].size) /* "impossible" */
1586 goto out;
1587 objs[AFTCOL_CHUNKS].data = buf + chunks_offset;
1588 objs[AFTCOL_CHUNKS].size = query->size - chunks_offset;
1589 if (pb && !hs) { /* update pb's hash */
1590 char old_asc[2 * HASH_SIZE + 1];
1591 HASH_TYPE *old_hash;
1592 ret = get_hash_of_row(pb, &old_hash);
1593 if (ret < 0)
1594 goto out;
1595 hash_to_asc(old_hash, old_asc);
1596 if (flags & ADD_FLAG_VERBOSE)
1597 para_printf(&msg, "file change: %s -> %s\n",
1598 old_asc, asc);
1599 ret = osl_update_object(audio_file_table, pb, AFTCOL_HASH,
1600 &objs[AFTCOL_HASH]);
1601 if (ret < 0)
1602 goto out;
1603 }
1604 if (hs || pb) { /* (hs != NULL and pb != NULL) implies hs == pb */
1605 struct osl_row *row = pb? pb : hs;
1606 /* update afhi and chunk_table */
1607 if (flags & ADD_FLAG_VERBOSE)
1608 para_printf(&msg, "updating afhi and chunk table\n");
1609 ret = osl_update_object(audio_file_table, row, AFTCOL_AFHI,
1610 &objs[AFTCOL_AFHI]);
1611 if (ret < 0)
1612 goto out;
1613 ret = osl_update_object(audio_file_table, row, AFTCOL_CHUNKS,
1614 &objs[AFTCOL_CHUNKS]);
1615 if (ret < 0)
1616 goto out;
1617 afs_event(AFHI_CHANGE, &msg, row);
1618 goto out;
1619 }
1620 /* new entry, use default afsi */
1621 if (flags & ADD_FLAG_VERBOSE)
1622 para_printf(&msg, "new file\n");
1623 default_afsi.last_played = time(NULL) - 365 * 24 * 60 * 60;
1624 default_afsi.audio_format_id = read_u8(buf + AFTROW_AUDIO_FORMAT_OFFSET);
1625
1626 objs[AFTCOL_AFSI].data = &afsi_buf;
1627 objs[AFTCOL_AFSI].size = AFSI_SIZE;
1628 save_afsi(&default_afsi, &objs[AFTCOL_AFSI]);
1629 ret = osl_add_and_get_row(audio_file_table, objs, &aft_row);
1630 afs_event(AUDIO_FILE_ADD, &msg, aft_row);
1631 out:
1632 if (ret < 0)
1633 para_printf(&msg, "%s\n", PARA_STRERROR(-ret));
1634 if (!msg.buf)
1635 return 0;
1636 result->data = msg.buf;
1637 result->size = msg.size;
1638 return 1;
1639 }
1640
1641 /** Used by com_add(). */
1642 struct private_add_data {
1643 /** The socket file descriptor. */
1644 int fd;
1645 /** The given add flags. */
1646 uint32_t flags;
1647 };
1648
1649 static int path_brother_callback(const struct osl_object *query,
1650 struct osl_object *result)
1651 {
1652 char *path = query->data;
1653 struct osl_row *path_brother;
1654 int ret = aft_get_row_of_path(path, &path_brother);
1655 if (ret < 0)
1656 return ret;
1657 result->data = para_malloc(sizeof(path_brother));
1658 result->size = sizeof(path_brother);
1659 *(struct osl_row **)(result->data) = path_brother;
1660 return 1;
1661 }
1662
1663 static int hash_sister_callback(const struct osl_object *query,
1664 struct osl_object *result)
1665 {
1666 HASH_TYPE *hash = query->data;
1667 struct osl_row *hash_sister;
1668
1669 hash_sister = find_hash_sister(hash);
1670 if (!hash_sister)
1671 return -E_RB_KEY_NOT_FOUND;
1672 result->data = para_malloc(sizeof(hash_sister));
1673 result->size = sizeof(hash_sister);
1674 *(struct osl_row **)(result->data) = hash_sister;
1675 return 1;
1676 }
1677
1678 static int add_one_audio_file(const char *path, const void *private_data)
1679 {
1680 int ret, ret2;
1681 uint8_t format_num = -1;
1682 const struct private_add_data *pad = private_data;
1683 struct afh_info afhi, *afhi_ptr = NULL;
1684 struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
1685 struct osl_object map, obj = {.data = NULL}, query, result = {.data = NULL};
1686 HASH_TYPE hash[HASH_SIZE];
1687
1688 afhi.header_offset = 0;
1689 afhi.header_len = 0;
1690 ret = guess_audio_format(path);
1691 if (ret < 0 && !(pad->flags & ADD_FLAG_ALL))
1692 goto out_free;
1693 query.data = (char *)path;
1694 query.size = strlen(path) + 1;
1695 ret = send_callback_request(path_brother_callback, &query, &result);
1696 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1697 goto out_free;
1698 if (ret >= 0) {
1699 pb = *(struct osl_row **)result.data;
1700 free(result.data);
1701 }
1702 ret = 1;
1703 if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
1704 if (pad->flags & ADD_FLAG_VERBOSE)
1705 ret = send_va_buffer(pad->fd, "lazy-ignore: %s\n", path);
1706 goto out_free;
1707 }
1708 /* We still want to add this file. Compute its hash. */
1709 ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, NULL);
1710 if (ret < 0)
1711 goto out_free;
1712 hash_function(map.data, map.size, hash);
1713
1714 /* Check whether database contains file with the same hash. */
1715 query.data = hash;
1716 query.size = HASH_SIZE;
1717 ret = send_callback_request(hash_sister_callback, &query, &result);
1718 if (ret < 0 && ret != -E_RB_KEY_NOT_FOUND)
1719 goto out_free;
1720 if (ret >= 0) {
1721 hs = *(struct osl_row **)result.data;
1722 free(result.data);
1723 }
1724 /* Return success if we already know this file. */
1725 ret = 1;
1726 if (pb && hs && hs == pb && (!(pad->flags & ADD_FLAG_FORCE))) {
1727 if (pad->flags & ADD_FLAG_VERBOSE)
1728 ret = send_va_buffer(pad->fd,
1729 "%s exists, not forcing update\n", path);
1730 goto out_unmap;
1731 }
1732 /*
1733 * we won't recalculate the audio format info and the chunk table if
1734 * there is a hash sister unless in FORCE mode.
1735 */
1736 if (!hs || (pad->flags & ADD_FLAG_FORCE)) {
1737 ret = compute_afhi(path, map.data, map.size, &afhi);
1738 if (ret < 0)
1739 goto out_unmap;
1740 format_num = ret;
1741 afhi_ptr = &afhi;
1742 }
1743 if (pad->flags & ADD_FLAG_VERBOSE) {
1744 ret = send_va_buffer(pad->fd, "adding %s\n", path);
1745 if (ret < 0)
1746 goto out_unmap;
1747 }
1748 munmap(map.data, map.size);
1749 save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
1750 /* Ask afs to consider this entry for adding. */
1751 ret = send_callback_request(com_add_callback, &obj, &result);
1752 if (ret > 0) {
1753 ret2 = send_va_buffer(pad->fd, "%s", (char *)result.data);
1754 free(result.data);
1755 if (ret >= 0 && ret2 < 0)
1756 ret = ret2;
1757 }
1758 goto out_free;
1759
1760 out_unmap:
1761 munmap(map.data, map.size);
1762 out_free:
1763 if (ret < 0 && ret != -E_SEND)
1764 send_va_buffer(pad->fd, "failed to add %s (%s)\n", path,
1765 PARA_STRERROR(-ret));
1766 free(obj.data);
1767 if (afhi_ptr)
1768 free(afhi_ptr->chunk_table);
1769 /* it's not an error if not all files could be added */
1770 return ret == -E_SEND? ret : 1;
1771 }
1772
1773 int com_add(int fd, int argc, char * const * const argv)
1774 {
1775 int i, ret;
1776 struct private_add_data pad = {.fd = fd, .flags = 0};
1777 struct stat statbuf;
1778
1779 for (i = 1; i < argc; i++) {
1780 const char *arg = argv[i];
1781 if (arg[0] != '-')
1782 break;
1783 if (!strcmp(arg, "--")) {
1784 i++;
1785 break;
1786 }
1787 if (!strcmp(arg, "-a")) {
1788 pad.flags |= ADD_FLAG_ALL;
1789 continue;
1790 }
1791 if (!strcmp(arg, "-l")) {
1792 pad.flags |= ADD_FLAG_LAZY;
1793 continue;
1794 }
1795 if (!strcmp(arg, "-f")) {
1796 pad.flags |= ADD_FLAG_FORCE;
1797 continue;
1798 }
1799 if (!strcmp(arg, "-v")) {
1800 pad.flags |= ADD_FLAG_VERBOSE;
1801 continue;
1802 }
1803 }
1804 if (argc <= i)
1805 return -E_AFT_SYNTAX;
1806 for (; i < argc; i++) {
1807 char *path;
1808 ret = verify_path(argv[i], &path);
1809 if (ret < 0) {
1810 ret = send_va_buffer(fd, "%s: %s\n", argv[i], PARA_STRERROR(-ret));
1811 if (ret < 0)
1812 return ret;
1813 continue;
1814 }
1815 ret = stat(path, &statbuf);
1816 if (ret < 0) {
1817 ret = send_va_buffer(fd, "failed to stat %s (%s)\n", path,
1818 strerror(errno));
1819 free(path);
1820 if (ret < 0)
1821 return ret;
1822 continue;
1823 }
1824 if (S_ISDIR(statbuf.st_mode))
1825 ret = for_each_file_in_dir(path, add_one_audio_file,
1826 &pad);
1827 else
1828 ret = add_one_audio_file(path, &pad);
1829 if (ret < 0) {
1830 send_va_buffer(fd, "%s: %s\n", path, PARA_STRERROR(-ret));
1831 free(path);
1832 return ret;
1833 }
1834 free(path);
1835 }
1836 return 1;
1837
1838 }
1839
1840 /**
1841 * Flags used by the touch command.
1842 *
1843 * \sa com_touch().
1844 */
1845 enum touch_flags {
1846 /** Whether the \p FNM_PATHNAME flag should be passed to fnmatch(). */
1847 TOUCH_FLAG_FNM_PATHNAME = 1,
1848 /** Activates verbose mode. */
1849 TOUCH_FLAG_VERBOSE = 2
1850 };
1851
1852 /** Options used by com_touch(). */
1853 struct com_touch_options {
1854 /** New num_played value. */
1855 int32_t num_played;
1856 /** New last played count. */
1857 int64_t last_played;
1858 /** new lyrics id. */
1859 int32_t lyrics_id;
1860 /** new image id. */
1861 int32_t image_id;
1862 /** command line flags (see \ref touch_flags). */
1863 unsigned flags;
1864 };
1865
1866 /** Data passed to the action handler of com_touch(). */
1867 struct touch_action_data {
1868 /** Command line options (see \ref com_touch_options). */
1869 struct com_touch_options *cto;
1870 /** Message buffer. */
1871 struct para_buffer pb;
1872 };
1873
1874 static int touch_audio_file(__a_unused struct osl_table *table,
1875 struct osl_row *row, const char *name, void *data)
1876 {
1877 struct touch_action_data *tad = data;
1878 struct osl_object obj;
1879 struct afs_info old_afsi, new_afsi;
1880 int ret, no_options = tad->cto->num_played < 0 && tad->cto->last_played < 0 &&
1881 tad->cto->lyrics_id < 0 && tad->cto->image_id < 0;
1882 struct afsi_change_event_data aced;
1883
1884 ret = get_afsi_object_of_row(row, &obj);
1885 if (ret < 0) {
1886 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1887 return 1;
1888 }
1889 ret = load_afsi(&old_afsi, &obj);
1890 if (ret < 0) {
1891 para_printf(&tad->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
1892 return 1;
1893 }
1894 new_afsi = old_afsi;
1895 if (no_options) {
1896 new_afsi.num_played++;
1897 new_afsi.last_played = time(NULL);
1898 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1899 para_printf(&tad->pb, "%s: num_played = %u, "
1900 "last_played = now()\n", name,
1901 new_afsi.num_played);
1902 } else {
1903 if (tad->cto->flags & TOUCH_FLAG_VERBOSE)
1904 para_printf(&tad->pb, "touching %s\n", name);
1905 if (tad->cto->lyrics_id >= 0)
1906 new_afsi.lyrics_id = tad->cto->lyrics_id;
1907 if (tad->cto->image_id >= 0)
1908 new_afsi.image_id = tad->cto->image_id;
1909 if (tad->cto->num_played >= 0)
1910 new_afsi.num_played = tad->cto->num_played;
1911 if (tad->cto->last_played >= 0)
1912 new_afsi.last_played = tad->cto->last_played;
1913 }
1914 save_afsi(&new_afsi, &obj); /* in-place update */
1915 aced.aft_row = row;
1916 aced.old_afsi = &old_afsi;
1917 afs_event(AFSI_CHANGE, &tad->pb, &aced);
1918 return 1;
1919 }
1920
1921 static int com_touch_callback(const struct osl_object *query,
1922 struct osl_object *result)
1923 {
1924 struct touch_action_data tad = {.cto = query->data};
1925 int ret;
1926 struct pattern_match_data pmd = {
1927 .table = audio_file_table,
1928 .loop_col_num = AFTCOL_HASH,
1929 .match_col_num = AFTCOL_PATH,
1930 .patterns = {.data = (char *)query->data + sizeof(*tad.cto),
1931 .size = query->size - sizeof(*tad.cto)},
1932 .data = &tad,
1933 .action = touch_audio_file
1934 };
1935 if (tad.cto->flags & TOUCH_FLAG_FNM_PATHNAME)
1936 pmd.fnmatch_flags |= FNM_PATHNAME;
1937 ret = for_each_matching_row(&pmd);
1938 if (ret < 0)
1939 para_printf(&tad.pb, "%s\n", PARA_STRERROR(-ret));
1940 if (tad.pb.buf) {
1941 result->data = tad.pb.buf;
1942 result->size = tad.pb.size;
1943 return 1;
1944 }
1945 return ret < 0? ret : 0;
1946 }
1947
1948 int com_touch(int fd, int argc, char * const * const argv)
1949 {
1950 struct com_touch_options cto = {
1951 .num_played = -1,
1952 .last_played = -1,
1953 .lyrics_id = -1,
1954 .image_id = -1
1955 };
1956 struct osl_object query = {.data = &cto, .size = sizeof(cto)},
1957 result;
1958 int i, ret;
1959
1960
1961 for (i = 1; i < argc; i++) {
1962 const char *arg = argv[i];
1963 if (arg[0] != '-')
1964 break;
1965 if (!strcmp(arg, "--")) {
1966 i++;
1967 break;
1968 }
1969 if (!strncmp(arg, "-n", 2)) {
1970 ret = para_atoi32(arg + 2, &cto.num_played);
1971 if (ret < 0)
1972 return ret;
1973 continue;
1974 }
1975 if (!strncmp(arg, "-l", 2)) {
1976 ret = para_atoi64(arg + 2, &cto.last_played);
1977 if (ret < 0)
1978 return ret;
1979 continue;
1980 }
1981 if (!strncmp(arg, "-y", 2)) {
1982 ret = para_atoi32(arg + 2, &cto.lyrics_id);
1983 if (ret < 0)
1984 return ret;
1985 continue;
1986 }
1987 if (!strncmp(arg, "-i", 2)) {
1988 ret = para_atoi32(arg + 2, &cto.image_id);
1989 if (ret < 0)
1990 return ret;
1991 continue;
1992 }
1993 if (!strcmp(arg, "-p")) {
1994 cto.flags |= TOUCH_FLAG_FNM_PATHNAME;
1995 continue;
1996 }
1997 if (!strcmp(arg, "-v")) {
1998 cto.flags |= TOUCH_FLAG_VERBOSE;
1999 continue;
2000 }
2001 break; /* non-option starting with dash */
2002 }
2003 if (i >= argc)
2004 return -E_AFT_SYNTAX;
2005 ret = send_option_arg_callback_request(&query, argc - i,
2006 argv + i, com_touch_callback, &result);
2007 if (ret > 0) {
2008 send_buffer(fd, (char *)result.data);
2009 free(result.data);
2010 } else if (ret < 0)
2011 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2012 return ret;
2013 }
2014
2015 /** Flags for com_rm(). */
2016 enum rm_flags {
2017 /** -v */
2018 RM_FLAG_VERBOSE = 1,
2019 /** -f */
2020 RM_FLAG_FORCE = 2,
2021 /** -p */
2022 RM_FLAG_FNM_PATHNAME = 4
2023 };
2024
2025 /** Data passed to the action handler of com_rm(). */
2026 struct com_rm_action_data {
2027 /** Command line flags ((see \ref rm_flags). */
2028 uint32_t flags;
2029 /** Message buffer. */
2030 struct para_buffer pb;
2031 /** Number of audio files removed. */
2032 unsigned num_removed;
2033 };
2034
2035 static int remove_audio_file(__a_unused struct osl_table *table,
2036 struct osl_row *row, const char *name, void *data)
2037 {
2038 struct com_rm_action_data *crd = data;
2039 int ret;
2040
2041 if (crd->flags & RM_FLAG_VERBOSE)
2042 para_printf(&crd->pb, "removing %s\n", name);
2043 afs_event(AUDIO_FILE_REMOVE, &crd->pb, row);
2044 ret = osl_del_row(audio_file_table, row);
2045 if (ret < 0)
2046 para_printf(&crd->pb, "%s: %s\n", name, PARA_STRERROR(-ret));
2047 else
2048 crd->num_removed++;
2049 return 1;
2050 }
2051
2052 static int com_rm_callback(const struct osl_object *query,
2053 __a_unused struct osl_object *result)
2054 {
2055 struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data};
2056 int ret;
2057 struct pattern_match_data pmd = {
2058 .table = audio_file_table,
2059 .loop_col_num = AFTCOL_HASH,
2060 .match_col_num = AFTCOL_PATH,
2061 .patterns = {.data = (char *)query->data + sizeof(uint32_t),
2062 .size = query->size - sizeof(uint32_t)},
2063 .data = &crd,
2064 .action = remove_audio_file
2065 };
2066 if (crd.flags & RM_FLAG_FNM_PATHNAME)
2067 pmd.fnmatch_flags |= FNM_PATHNAME;
2068 ret = for_each_matching_row(&pmd);
2069 if (ret < 0)
2070 para_printf(&crd.pb, "%s\n", PARA_STRERROR(-ret));
2071 if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
2072 para_printf(&crd.pb, "no matches -- nothing removed\n");
2073 else {
2074 if (crd.flags & RM_FLAG_VERBOSE)
2075 para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
2076 }
2077 if (crd.pb.buf) {
2078 result->data = crd.pb.buf;
2079 result->size = crd.pb.size;
2080 return 1;
2081 }
2082 return ret < 0? ret : 0;
2083 }
2084
2085 /* TODO options: -r (recursive) */
2086 int com_rm(int fd, int argc, char * const * const argv)
2087 {
2088 uint32_t flags = 0;
2089 struct osl_object query = {.data = &flags, .size = sizeof(flags)},
2090 result;
2091 int i, ret;
2092
2093 for (i = 1; i < argc; i++) {
2094 const char *arg = argv[i];
2095 if (arg[0] != '-')
2096 break;
2097 if (!strcmp(arg, "--")) {
2098 i++;
2099 break;
2100 }
2101 if (!strcmp(arg, "-f")) {
2102 flags |= RM_FLAG_FORCE;
2103 continue;
2104 }
2105 if (!strcmp(arg, "-p")) {
2106 flags |= RM_FLAG_FNM_PATHNAME;
2107 continue;
2108 }
2109 if (!strcmp(arg, "-v")) {
2110 flags |= RM_FLAG_VERBOSE;
2111 continue;
2112 }
2113 break;
2114 }
2115 if (i >= argc)
2116 return -E_AFT_SYNTAX;
2117 ret = send_option_arg_callback_request(&query, argc - i, argv + i,
2118 com_rm_callback, &result);
2119 if (ret > 0) {
2120 send_buffer(fd, (char *)result.data);
2121 free(result.data);
2122 } else if (ret < 0)
2123 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2124 return ret;
2125 }
2126
2127 /**
2128 * Flags used by the cpsi command.
2129 *
2130 * \sa com_cpsi().
2131 */
2132 enum cpsi_flags {
2133 /** Whether the lyrics id should be copied. */
2134 CPSI_FLAG_COPY_LYRICS_ID = 1,
2135 /** Whether the image id should be copied. */
2136 CPSI_FLAG_COPY_IMAGE_ID = 2,
2137 /** Whether the lastplayed time should be copied. */
2138 CPSI_FLAG_COPY_LASTPLAYED = 4,
2139 /** Whether the numplayed count should be copied. */
2140 CPSI_FLAG_COPY_NUMPLAYED = 8,
2141 /** Whether the attributes should be copied. */
2142 CPSI_FLAG_COPY_ATTRIBUTES = 16,
2143 /** Activates verbose mode. */
2144 CPSI_FLAG_VERBOSE = 32,
2145 };
2146
2147 /** Data passed to the action handler of com_cpsi(). */
2148 struct cpsi_action_data {
2149 /** command line flags (see \ref cpsi_flags). */
2150 unsigned flags;
2151 /** Number of audio files changed. */
2152 unsigned num_copied;
2153 /** Message buffer. */
2154 struct para_buffer pb;
2155 /** Values are copied from here. */
2156 struct afs_info source_afsi;
2157 };
2158
2159 static int copy_selector_info(__a_unused struct osl_table *table,
2160 struct osl_row *row, const char *name, void *data)
2161 {
2162 struct cpsi_action_data *cad = data;
2163 struct osl_object target_afsi_obj;
2164 int ret;
2165 struct afs_info old_afsi, target_afsi;
2166 struct afsi_change_event_data aced;
2167
2168 ret = get_afsi_object_of_row(row, &target_afsi_obj);
2169 if (ret < 0)
2170 return ret;
2171 load_afsi(&target_afsi, &target_afsi_obj);
2172 old_afsi = target_afsi;
2173 if (cad->flags & CPSI_FLAG_COPY_LYRICS_ID)
2174 target_afsi.lyrics_id = cad->source_afsi.lyrics_id;
2175 if (cad->flags & CPSI_FLAG_COPY_IMAGE_ID)
2176 target_afsi.image_id = cad->source_afsi.image_id;
2177 if (cad->flags & CPSI_FLAG_COPY_LASTPLAYED)
2178 target_afsi.last_played = cad->source_afsi.last_played;
2179 if (cad->flags & CPSI_FLAG_COPY_NUMPLAYED)
2180 target_afsi.num_played = cad->source_afsi.num_played;
2181 if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
2182 target_afsi.attributes = cad->source_afsi.attributes;
2183 save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
2184 cad->num_copied++;
2185 if (cad->flags & CPSI_FLAG_VERBOSE)
2186 para_printf(&cad->pb, "copied afsi to %s\n", name);
2187 aced.aft_row = row;
2188 aced.old_afsi = &old_afsi;
2189 afs_event(AFSI_CHANGE, &cad->pb, &aced);
2190 return 1;
2191 }
2192
2193 static int com_cpsi_callback(const struct osl_object *query,
2194 struct osl_object *result)
2195 {
2196 struct cpsi_action_data cad = {.flags = *(unsigned *)query->data};
2197 int ret;
2198 char *source_path = (char *)query->data + sizeof(cad.flags);
2199
2200 ret = get_afsi_of_path(source_path, &cad.source_afsi);
2201 if (ret < 0)
2202 goto out;
2203 struct pattern_match_data pmd = {
2204 .table = audio_file_table,
2205 .loop_col_num = AFTCOL_HASH,
2206 .match_col_num = AFTCOL_PATH,
2207 .patterns = {.data = source_path + strlen(source_path) + 1,
2208 .size = query->size - sizeof(cad.flags)
2209 - strlen(source_path) - 1},
2210 .data = &cad,
2211 .action = copy_selector_info
2212 };
2213 ret = for_each_matching_row(&pmd);
2214 out:
2215 if (ret < 0)
2216 para_printf(&cad.pb, "%s\n", PARA_STRERROR(-ret));
2217 if (cad.flags & CPSI_FLAG_VERBOSE) {
2218 if (cad.num_copied)
2219 para_printf(&cad.pb, "copied requested afsi from %s "
2220 "to %u files\n",
2221 source_path, cad.num_copied);
2222 else
2223 para_printf(&cad.pb, "nothing copied\n");
2224 }
2225 if (cad.pb.buf) {
2226 result->data = cad.pb.buf;
2227 result->size = cad.pb.size;
2228 return 1;
2229 }
2230 return ret < 0? ret : 0;
2231 }
2232
2233 int com_cpsi(int fd, int argc, char * const * const argv)
2234 {
2235 unsigned flags = 0;
2236 int i, ret;
2237 struct osl_object options = {.data = &flags, .size = sizeof(flags)},
2238 result;
2239
2240 for (i = 1; i < argc; i++) {
2241 const char *arg = argv[i];
2242 if (arg[0] != '-')
2243 break;
2244 if (!strcmp(arg, "--")) {
2245 i++;
2246 break;
2247 }
2248 if (!strcmp(arg, "-y")) {
2249 flags |= CPSI_FLAG_COPY_LYRICS_ID;
2250 continue;
2251 }
2252 if (!strcmp(arg, "-i")) {
2253 flags |= CPSI_FLAG_COPY_IMAGE_ID;
2254 continue;
2255 }
2256 if (!strcmp(arg, "-l")) {
2257 flags |= CPSI_FLAG_COPY_LASTPLAYED;
2258 continue;
2259 }
2260 if (!strcmp(arg, "-n")) {
2261 flags |= CPSI_FLAG_COPY_NUMPLAYED;
2262 continue;
2263 }
2264 if (!strcmp(arg, "-a")) {
2265 flags |= CPSI_FLAG_COPY_ATTRIBUTES;
2266 continue;
2267 }
2268 if (!strcmp(arg, "-v")) {
2269 flags |= CPSI_FLAG_VERBOSE;
2270 continue;
2271 }
2272 break;
2273 }
2274 if (i + 1 >= argc) /* need at least souce file and pattern */
2275 return -E_AFT_SYNTAX;
2276 if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
2277 flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
2278 ret = send_option_arg_callback_request(&options, argc - i, argv + i,
2279 com_cpsi_callback, &result);
2280 if (ret > 0) {
2281 send_buffer(fd, (char *)result.data);
2282 free(result.data);
2283 } else
2284 send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
2285 return ret;
2286 }
2287
2288 /* TODO: optionally fix problems by removing offending rows */
2289 static int check_audio_file(struct osl_row *row, void *data)
2290 {
2291 char *path;
2292 struct para_buffer *pb = data;
2293 struct stat statbuf;
2294 int ret = get_audio_file_path_of_row(row, &path);
2295 struct afs_info afsi;
2296 char *blob_name;
2297
2298 if (ret < 0) {
2299 para_printf(pb, "%s\n", PARA_STRERROR(-ret));
2300 return 1;
2301 }
2302 if (stat(path, &statbuf) < 0)
2303 para_printf(pb, "%s: stat error (%s)\n", path, strerror(errno));
2304 else {
2305 if (!S_ISREG(statbuf.st_mode))
2306 para_printf(pb, "%s: not a regular file\n", path);
2307 }
2308 ret = get_afsi_of_row(row, &afsi);
2309 if (ret < 0) {
2310 para_printf(pb, "%s: %s\n", path, PARA_STRERROR(-ret));
2311 return 1;
2312 }
2313 ret = lyr_get_name_by_id(afsi.lyrics_id, &blob_name);
2314 if (ret < 0)
2315 para_printf(pb, "%s lyrics id %u: %s\n", path, afsi.lyrics_id,
2316 PARA_STRERROR(-ret));
2317 ret = img_get_name_by_id(afsi.image_id, &blob_name);
2318 if (ret < 0)
2319 para_printf(pb, "%s image id %u: %s\n", path, afsi.image_id,
2320 PARA_STRERROR(-ret));
2321 return 1;
2322 }
2323
2324 /**
2325 * Check the audio file table for inconsistencies.
2326 *
2327 * \param query Unused.
2328 * \param result Contains message string upon return.
2329 *
2330 * This function always succeeds.
2331 *
2332 * \sa com_check().
2333 */
2334 int aft_check_callback(__a_unused const struct osl_object *query, struct osl_object *result)
2335 {
2336 struct para_buffer pb = {.buf = NULL};
2337
2338 para_printf(&pb, "checking audio file table...\n");
2339 audio_file_loop(&pb, check_audio_file);
2340 result->data = pb.buf;
2341 result->size = pb.size;
2342 return 1;
2343
2344 }
2345
2346 /**
2347 * Close the audio file table.
2348 *
2349 * \param flags Usual flags that are passed to osl_close_table().
2350 *
2351 * \sa osl_close_table().
2352 */
2353 static void aft_close(void)
2354 {
2355 osl_close_table(audio_file_table, OSL_MARK_CLEAN);
2356 audio_file_table = NULL;
2357 }
2358
2359 /**
2360 * Open the audio file table.
2361 *
2362 * \param dir The database directory.
2363 *
2364 * \return Standard.
2365 *
2366 * \sa osl_open_table().
2367 */
2368 static int aft_open(const char *dir)
2369 {
2370 int ret;
2371
2372 audio_file_table_desc.dir = dir;
2373 ret = osl_open_table(&audio_file_table_desc, &audio_file_table);
2374 if (ret >= 0) {
2375 unsigned num;
2376 osl_get_num_rows(audio_file_table, &num);
2377 PARA_INFO_LOG("audio file table contains %d files\n", num);
2378 return ret;
2379 }
2380 PARA_INFO_LOG("failed to open audio file table\n");
2381 audio_file_table = NULL;
2382 if (ret >= 0 || is_errno(-ret, ENOENT))
2383 return 1;
2384 return ret;
2385 }
2386
2387 static int aft_create(const char *dir)
2388 {
2389 audio_file_table_desc.dir = dir;
2390 return osl_create_table(&audio_file_table_desc);
2391 }
2392
2393 static int clear_attribute(struct osl_row *row, void *data)
2394 {
2395 struct rmatt_event_data *red = data;
2396 struct afs_info afsi;
2397 struct osl_object obj;
2398 int ret = get_afsi_object_of_row(row, &obj);
2399 uint64_t mask = ~(1ULL << red->bitnum);
2400
2401 if (ret < 0)
2402 return ret;
2403 ret = load_afsi(&afsi, &obj);
2404 if (ret < 0)
2405 return ret;
2406 afsi.attributes &= mask;
2407 save_afsi(&afsi, &obj);
2408 return 1;
2409 }
2410
2411 static int aft_event_handler(enum afs_events event, struct para_buffer *pb,
2412 void *data)
2413 {
2414 switch(event) {
2415 case ATTRIBUTE_REMOVE: {
2416 const struct rmatt_event_data *red = data;
2417 para_printf(pb, "clearing attribute %s (bit %u) from all "
2418 "entries in the audio file table\n", red->name,
2419 red->bitnum);
2420 return audio_file_loop(data, clear_attribute);
2421 }
2422 default:
2423 return 1;
2424 }
2425 }
2426
2427 void aft_init(struct afs_table *t)
2428 {
2429 t->name = audio_file_table_desc.name;
2430 t->open = aft_open;
2431 t->close = aft_close;
2432 t->create = aft_create;
2433 t->event_handler = aft_event_handler;
2434 }