7d2424cf3a626e27be056af432300be0911b76b9
[paraslash.git] / error.h
1 /*
2 * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
3 *
4 * Licensed under the GPL v2. For licencing details see COPYING.
5 */
6
7 /** \file error.h list of error messages for all subsystems */
8
9 /** \cond list of all subsystems that support the shiny error facility */
10 enum para_subsystem {
11 SS_CLIENT,
12 SS_GUI,
13 SS_TIME,
14 SS_WAV,
15 SS_COMPRESS,
16 SS_CLOSE_ON_FORK,
17 SS_DAEMON,
18 SS_DCCP_SEND,
19 SS_RINGBUFFER,
20 SS_RECV,
21 SS_NET,
22 SS_ORTP_RECV,
23 SS_CLIENT_COMMON,
24 SS_AUDIOC,
25 SS_SCHED,
26 SS_AUDIOD,
27 SS_AUDIOD_COMMAND,
28 SS_EXEC,
29 SS_STDIN,
30 SS_STDOUT,
31 SS_SIGNAL,
32 SS_STRING,
33 SS_STAT,
34 SS_GRAB_CLIENT,
35 SS_HTTP_RECV,
36 SS_RECV_COMMON,
37 SS_FILTER_CHAIN,
38 SS_OGGDEC,
39 SS_FILTER,
40 SS_COMMAND,
41 SS_RANDOM_SELECTOR,
42 SS_PLAYLIST_SELECTOR,
43 SS_CRYPT,
44 SS_HTTP_SEND,
45 SS_ORTP_SEND,
46 SS_AFS_COMMON,
47 SS_OGG_AFH,
48 SS_MP3_AFH,
49 SS_AAC_AFH,
50 SS_MP3DEC,
51 SS_AACDEC,
52 SS_AAC_COMMON,
53 SS_SERVER,
54 SS_VSS,
55 SS_MYSQL_SELECTOR,
56 SS_IPC,
57 SS_DCCP,
58 SS_DCCP_RECV,
59 SS_FD,
60 SS_WRITE,
61 SS_WRITE_COMMON,
62 SS_ALSA_WRITE,
63 SS_FILE_WRITE,
64 SS_OSX_WRITE,
65 SS_USER_LIST,
66 SS_CHUNK_QUEUE,
67 SS_AFS,
68 SS_OSL,
69 SS_AFT,
70 SS_MOOD,
71 SS_SCORE,
72 SS_ATTRIBUTE,
73 SS_BLOB,
74 SS_PLAYLIST,
75 SS_SHA1,
76 SS_RBTREE,
77 SS_FSCK,
78 NUM_SS
79 };
80
81 /* these do not need error handling (yet) */
82 #define SERVER_ERRORS
83 #define CLIENT_ERRORS
84 #define WAV_ERRORS
85 #define COMPRESS_ERRORS
86 #define TIME_ERRORS
87 #define CLOSE_ON_FORK_ERRORS
88 #define DAEMON_ERRORS
89 #define ORTP_SEND_ERRORS
90 #define GUI_ERRORS
91 #define RINGBUFFER_ERRORS
92 #define SCORE_ERRORS
93 #define SHA1_ERRORS
94
95 extern const char **para_errlist[];
96 /** \endcond */
97
98 #define FSCK_ERRORS \
99 PARA_ERROR(FSCK_SYNTAX, "fsck syntax error"), \
100 PARA_ERROR(RANGE_VIOLATION, "range violation detected, very bad"), \
101 PARA_ERROR(NOT_A_REGULAR_FILE, "not a regular file"), \
102
103
104 #define OSL_ERRORS \
105 PARA_ERROR(BAD_DB_DIR, "invalid database directory"), \
106 PARA_ERROR(NO_COLUMN_DESC, "missing column description"), \
107 PARA_ERROR(BAD_NAME, "invalid name for a column/table"), \
108 PARA_ERROR(BAD_STORAGE_TYPE, "invalid storage type"), \
109 PARA_ERROR(BAD_STORAGE_FLAGS, "invalid storage flags"), \
110 PARA_ERROR(NO_COLUMN_NAME, "missing column name"), \
111 PARA_ERROR(NO_COLUMNS, "at least one column required"), \
112 PARA_ERROR(BAD_COLUMN_NAME, "invalid name for a table column"), \
113 PARA_ERROR(NO_UNIQUE_RBTREE_COLUMN, "need at least one mapped column with OSL_UNIQE and OSL_RBTREE OSL"), \
114 PARA_ERROR(NO_RBTREE_COL, "at least one column needs an rbtree"), \
115 PARA_ERROR(DUPLICATE_COL_NAME, "column name given twice"), \
116 PARA_ERROR(BAD_STORAGE_SIZE, "invalid storage size"), \
117 PARA_ERROR(NO_COMPARE_FUNC, "missing compare function"), \
118 PARA_ERROR(BAD_DATA_SIZE, "wrong data size for fixed-size column"), \
119 PARA_ERROR(NOT_MAPPED, "file not mapped"), \
120 PARA_ERROR(ALREADY_MAPPED, "file already mapped"), \
121 PARA_ERROR(BAD_SIZE, "invalid size specified"), \
122 PARA_ERROR(TRUNC, "failed to truncate file"), \
123 PARA_ERROR(UNLINK, "failed to remove file"), \
124 PARA_ERROR(NOTDIR, "error: not a directory"), \
125 PARA_ERROR(BAD_TABLE, "table not open"), \
126 PARA_ERROR(BAD_TABLE_DESC, "invalid table description"), \
127 PARA_ERROR(RB_KEY_EXISTS, "key already exists in rbtree"), \
128 PARA_ERROR(RB_KEY_NOT_FOUND, "key not found in rbtree"), \
129 PARA_ERROR(BAD_ROW_NUM, "invalid row number"), \
130 PARA_ERROR(INDEX_CORRUPTION, "index corruption detected"), \
131 PARA_ERROR(INVALID_OBJECT, "reference to invalid object"), \
132 PARA_ERROR(STAT, "can not stat file"), \
133 PARA_ERROR(FSTAT, "fstat error"), \
134 PARA_ERROR(RENAME, "rename failed"), \
135 PARA_ERROR(EMPTY, "file empty"), \
136 PARA_ERROR(MMAP, "mmap error"), \
137 PARA_ERROR(MUNMAP, "munmap failed"), \
138 PARA_ERROR(WRITE, "write error"), \
139 PARA_ERROR(LSEEK, "lseek error"), \
140 PARA_ERROR(BUSY, "table is busy"), \
141 PARA_ERROR(SHORT_TABLE, "table too short"), \
142 PARA_ERROR(NO_MAGIC, "missing table header magic"), \
143 PARA_ERROR(VERSION_MISMATCH, "table version not suppoerted"), \
144 PARA_ERROR(BAD_COLUMN_NUM, "invalid column number"), \
145 PARA_ERROR(BAD_TABLE_FLAGS, "invalid flags in table description"), \
146 PARA_ERROR(BAD_ROW, "invalid row"), \
147
148
149 #define RBTREE_ERRORS \
150
151
152 #define AFS_ERRORS \
153 PARA_ERROR(BAD_TABLE_NAME, "invalid table"), \
154 PARA_ERROR(INPUT_TOO_LARGE, "input too large for stdin command"), \
155 PARA_ERROR(READ, "read error"), \
156 PARA_ERROR(ATOL, "failed to convert to long"), \
157
158
159 #define MOOD_ERRORS \
160 PARA_ERROR(MOOD_SYNTAX, "mood syntax error"), \
161 PARA_ERROR(MOOD_REGEX, "invalid regular expression"), \
162 PARA_ERROR(NO_MOOD, "no mood available"), \
163 PARA_ERROR(MOOD_LOADED, "mood loaded"), \
164 PARA_ERROR(MOOD_BUSY, "mood is in use"), \
165 PARA_ERROR(NOT_ADMISSIBLE, "file is not admussible"), \
166
167
168 #define ATTRIBUTE_ERRORS \
169 PARA_ERROR(ATTR_SYNTAX, "attribute syntax error"), \
170 PARA_ERROR(ATTR_EXISTS, "attribute already exists"), \
171 PARA_ERROR(ATTR_TABLE_FULL, "attribute table full"), \
172 PARA_ERROR(NO_ATTRIBUTES, "no attributes defined yet"), \
173
174 #define BLOB_ERRORS \
175 PARA_ERROR(BLOB_SYNTAX, "blob syntax error"), \
176 PARA_ERROR(DUMMY_ROW, "attempted to access blob dummy object"), \
177
178
179 #define PLAYLIST_ERRORS \
180 PARA_ERROR(PLAYLIST_SYNTAX, "playlist syntax error"), \
181 PARA_ERROR(NO_PLAYLIST, "no valid playlist found"), \
182 PARA_ERROR(PLAYLIST_LOADED, ""), /* not really an error */ \
183 PARA_ERROR(PLAYLIST_EMPTY, "attempted to load empty playlist"), \
184
185
186 #define AFT_ERRORS \
187 PARA_ERROR(BAD_AFSI, "invaid afs info"), \
188 PARA_ERROR(LOCALTIME, "localtime() failed"), \
189 PARA_ERROR(STRFTIME, "strftime() failed"), \
190 PARA_ERROR(BAD_PATH, "invalid path"), \
191 PARA_ERROR(BAD_SORT, "invalid sorting method"), \
192 PARA_ERROR(FNMATCH, "fnmatch error"), \
193 PARA_ERROR(NO_MATCH, "no matches"), \
194 PARA_ERROR(NO_AFHI, "audio format handler info required"), \
195 PARA_ERROR(AFT_SYNTAX, "audio file table syntax error"), \
196 PARA_ERROR(HASH_MISMATCH, "hash mismatch, consider re-add"), \
197
198
199 #define USER_LIST_ERRORS \
200 PARA_ERROR(USERLIST, "failed to open user list file"), \
201
202
203 #define OSX_WRITE_ERRORS \
204 PARA_ERROR(STREAM_FORMAT, "could not set stream format"), \
205 PARA_ERROR(ADD_CALLBACK, "can not add callback"), \
206 PARA_ERROR(OPEN_COMP, "OpenAComponent() error"), \
207 PARA_ERROR(UNIT_INIT, "AudioUnitInitialize() error"), \
208 PARA_ERROR(UNIT_START, "AudioUnitStart() error"), \
209 PARA_ERROR(DEFAULT_COMP, "can not find default audio output component"), \
210
211
212 #define AUDIOC_ERRORS \
213 PARA_ERROR(AUDIOC_SYNTAX, "audioc syntax error"), \
214 PARA_ERROR(AUDIOC_READ, "audioc read error"), \
215 PARA_ERROR(AUDIOC_WRITE, "audioc write error"), \
216 PARA_ERROR(INIT_SOCK_ADDR, "can not init socket"), \
217 PARA_ERROR(AUDIOC_CONNECT, "audioc connect error"), \
218 PARA_ERROR(AUDIOC_OVERRUN, "audioc buffer overrun"), \
219
220
221
222 #define CLIENT_COMMON_ERRORS \
223 PARA_ERROR(CLIENT_SYNTAX, "syntax error"), \
224 PARA_ERROR(INVALID_CHALLENGE, "did not receive valid challenge"), \
225 PARA_ERROR(NO_CONFIG, "config file not found"), \
226 PARA_ERROR(CLIENT_AUTH, "authentication failed"), \
227 PARA_ERROR(SERVER_EOF, "connection closed by para_server"), \
228 PARA_ERROR(INPUT_EOF, "end of input"), \
229 PARA_ERROR(HANDSHAKE_COMPLETE, ""), /* not really an error */ \
230
231
232 #define SCHED_ERRORS \
233 PARA_ERROR(TASK_KILLED, "task killed"), \
234 PARA_ERROR(NO_SUCH_TASK, "task not found"), \
235 PARA_ERROR(NOT_INITIALIZED, "scheduler not yet initialized"), \
236
237
238 #define STDIN_ERRORS \
239 PARA_ERROR(STDIN_READ, "failed to read from stdin"), \
240 PARA_ERROR(STDIN_EOF, "end of file"), \
241
242
243 #define STDOUT_ERRORS \
244 PARA_ERROR(STDOUT_WRITE, "failed to write to stdout"), \
245 PARA_ERROR(STDOUT_EOF, "end of file"), \
246
247
248 #define NET_ERRORS \
249 PARA_ERROR(SEND, "send error"), \
250 PARA_ERROR(RECV, "receive error"), \
251 PARA_ERROR(SOCKET, "socket error"), \
252 PARA_ERROR(CONNECT, "connect error"), \
253 PARA_ERROR(ACCEPT, "accept error"), \
254 PARA_ERROR(SETSOCKOPT, "failed to set socket options"), \
255 PARA_ERROR(BIND, "bind error"), \
256 PARA_ERROR(NAME_TOO_LONG, "name too long for struct sockaddr_un"), \
257 PARA_ERROR(CHMOD, "failed to set socket mode"), \
258 PARA_ERROR(SENDMSG, "sendmsg() failed"), \
259 PARA_ERROR(RECVMSG, "recvmsg() failed"), \
260 PARA_ERROR(SCM_CREDENTIALS, "did not receive SCM credentials"), \
261 PARA_ERROR(LISTEN, "listen error"), \
262 PARA_ERROR(RECV_PATTERN, "did not receive expected pattern"), \
263 PARA_ERROR(HOST_INFO, "gethostbyname() failed"), \
264
265
266 #define ORTP_RECV_ERRORS \
267 PARA_ERROR(MSG_TO_BUF, "failed to extract rtp packet"), \
268 PARA_ERROR(ORTP_SYNTAX, "ottp syntax error"), \
269 PARA_ERROR(TOO_MANY_BAD_CHUNKS, "too many consecutive bad chunks"), \
270 PARA_ERROR(INVALID_HEADER, "invalid header packet"), \
271 PARA_ERROR(OVERRUN, "outout buffer overrun"), \
272 PARA_ERROR(ORTP_RECV_EOF, "ortp_recv: end of file"), \
273
274
275 #define HTTP_RECV_ERRORS \
276 PARA_ERROR(HTTP_RECV_EOF, "http_recv: end of file"), \
277 PARA_ERROR(HTTP_RECV_OVERRUN, "http_recv: outout buffer overrun"), \
278
279
280 #define RECV_ERRORS \
281 PARA_ERROR(RECV_SYNTAX, "recv syntax error"), \
282
283
284 #define RECV_COMMON_ERRORS \
285
286
287 #define AUDIOD_ERRORS \
288 PARA_ERROR(NO_MORE_SLOTS, "no more empty slots"), \
289 PARA_ERROR(MISSING_COLON, "syntax error: missing colon"), \
290 PARA_ERROR(UNSUPPORTED_AUDIO_FORMAT, "given audio format not supported"), \
291 PARA_ERROR(SIGNAL_CAUGHT, "caught signal"), \
292
293
294 #define AUDIOD_COMMAND_ERRORS \
295 PARA_ERROR(CLIENT_WRITE, "client write error"), \
296 PARA_ERROR(AUDIOD_SYNTAX, "syntax error"), \
297 PARA_ERROR(UCRED_PERM, "permission denied"), \
298 PARA_ERROR(INVALID_AUDIOD_CMD, "invalid command"), \
299
300
301 #define FILTER_CHAIN_ERRORS \
302 PARA_ERROR(UNSUPPORTED_FILTER, "given filter not supported"), \
303 PARA_ERROR(BAD_FILTER_OPTIONS, "invalid filter option given"), \
304 PARA_ERROR(FC_EOF, "filter chain: eof"), \
305
306
307 #define STAT_ERRORS \
308 PARA_ERROR(TOO_MANY_CLIENTS, "maximal number of stat clients exceeded"), \
309 PARA_ERROR(UNKNOWN_STAT_ITEM, "status item not recognized"), \
310
311
312 #define OGGDEC_ERRORS \
313 PARA_ERROR(OGGDEC_READ, "read from media returned an error"), \
314 PARA_ERROR(OGGDEC_NOTVORBIS, "bitstream is not vorbis data"), \
315 PARA_ERROR(OGGDEC_VERSION, "vorbis version mismatch"), \
316 PARA_ERROR(OGGDEC_BADHEADER, "invalid vorbis bitstream header"), \
317 PARA_ERROR(OGGDEC_FAULT, "bug or heap/stack corruption"), \
318 PARA_ERROR(OGGDEC_BADLINK, "invalid stream section or requested link corrupt"), \
319
320
321 #define GRAB_CLIENT_ERRORS \
322 PARA_ERROR(PEDANTIC_GRAB, "fd not ready and pedantic grab requested"), \
323 PARA_ERROR(GC_WRITE, "grab client write error"), \
324 PARA_ERROR(BAD_GC_SLOT, "invalid slot requested by grab client"), \
325 PARA_ERROR(BAD_GC_FILTER_NUM, "invalid filter number given"), \
326 PARA_ERROR(GC_SYNTAX, "grab client syntax error"), \
327 PARA_ERROR(GC_HELP_GIVEN, ""), /* not really an error */ \
328 PARA_ERROR(GC_VERSION_GIVEN, ""), /* not really an error */ \
329
330
331 #define MP3DEC_ERRORS \
332 PARA_ERROR(MAD_FRAME_DECODE, "mad frame decode error"), \
333 PARA_ERROR(MP3DEC_OVERRUN, "mp3 output buffer overrun"), \
334
335
336 #define FILTER_ERRORS \
337 PARA_ERROR(NO_FILTERS, "at least one filter must be given"), \
338 PARA_ERROR(FILTER_SYNTAX, "syntax error"), \
339
340
341 #define SIGNAL_ERRORS \
342 PARA_ERROR(SIGNAL_SIG_ERR, "signal() retured SIG_ERR"), \
343 PARA_ERROR(SIGNAL_READ, "read error from signal pipe"), \
344 PARA_ERROR(WAITPID, "waitpid error"), \
345 PARA_ERROR(SIGNAL_PIPE, "failed to setup signal pipe"), \
346
347
348 #define STRING_ERRORS \
349 PARA_ERROR(MKSTEMP, "mkstemp error: unable to create tmp file"), \
350 PARA_ERROR(FCHMOD, "fchmod error: can not set mode"), \
351
352
353 #define EXEC_ERRORS \
354 PARA_ERROR(DUP_PIPE, "exec error: can not create pipe"), \
355 PARA_ERROR(NULL_OPEN, "can not open /dev/null"), \
356
357
358 #define MP3_AFH_ERRORS \
359 PARA_ERROR(FRAME, "invalid mp3 frame"), \
360 PARA_ERROR(FRAME_LENGTH, "invalid frame length"), \
361 PARA_ERROR(MP3_INFO, "could not read mp3 info"), \
362 PARA_ERROR(HEADER_FREQ, "invalid header frequency"), \
363 PARA_ERROR(HEADER_BITRATE, "invalid header bitrate"), \
364
365
366 #define AAC_AFH_ERRORS \
367 PARA_ERROR(STSZ, "did not find stcz atom"), \
368 PARA_ERROR(MP4ASC, "audio spec config error"), \
369 PARA_ERROR(AAC_AFH_INIT, "failed to init aac decoder"), \
370
371
372 #define AAC_COMMON_ERRORS \
373 PARA_ERROR(ESDS, "did not find esds atom"), \
374 PARA_ERROR(STCO, "did not find stco atom"), \
375
376
377 #define OGG_AFH_ERRORS \
378 PARA_ERROR(OGG_READ, "ogg read error"), \
379 PARA_ERROR(SYNC_PAGEOUT, "ogg sync page-out error (no ogg file?)"), \
380 PARA_ERROR(STREAM_PAGEIN, "ogg stream page-in error (first page)"), \
381 PARA_ERROR(STREAM_PACKETOUT, "ogg stream packet-out error (first packet)"), \
382 PARA_ERROR(VORBIS, "vorbis synthesis header-in error (not vorbis?)"), \
383 PARA_ERROR(OGG_INFO, "ov_info error"), \
384 PARA_ERROR(OGG_VERSION, "unsupported ogg version"), \
385 PARA_ERROR(OGG_BAD_HEADER, "invalid ogg vorbis header"), \
386 PARA_ERROR(OGG_UNKNOWN_ERROR, "unknown ogg vorbis error"), \
387
388
389 #define VSS_ERRORS \
390 PARA_ERROR(AUDIO_FORMAT, "audio format not recognized"), \
391 PARA_ERROR(CHUNK, "unable to get chunk"), \
392
393
394 #define AFS_COMMON_ERRORS \
395 PARA_ERROR(GETCWD, "can not get current working directory"), \
396 PARA_ERROR(LSTAT, "lstat error"), \
397
398
399 #define CRYPT_ERRORS \
400 PARA_ERROR(PRIVATE_KEY, "can not read private key"), \
401 PARA_ERROR(PUBLIC_KEY, "can not read public key"), \
402 PARA_ERROR(RSA, "RSA error"), \
403 PARA_ERROR(ENCRYPT, "encrypt error"), \
404 PARA_ERROR(DECRYPT, "decrypt error"), \
405 PARA_ERROR(CHALLENGE, "failed to read challenge"), \
406
407
408 #define HTTP_SEND_ERRORS \
409 PARA_ERROR(WRITE_OK, "can not check whether fd is writable"), \
410 PARA_ERROR(SEND_QUEUED_CHUNK, "failed to send queued chunk"), \
411
412
413 #define RANDOM_SELECTOR_ERRORS \
414 PARA_ERROR(NOTHING_FOUND, "no audio files found"), \
415
416
417 #define MYSQL_SELECTOR_ERRORS \
418 PARA_ERROR(MYSQL_SYNTAX, "mysql syntax error"), \
419 PARA_ERROR(NOTCONN, "not connected to mysql server"), \
420 PARA_ERROR(TOOBIG, "mysql: file too large"), \
421 PARA_ERROR(NAMETOOLONG, "mysql: name too long"), \
422 PARA_ERROR(QFAILED, "mysql query failed"), \
423 PARA_ERROR(NOROW, "row is NULL"), \
424 PARA_ERROR(NOATTS, "can not get attributes from mysql table"), \
425 PARA_ERROR(NORESULT, "error while fetching mysql result"), \
426 PARA_ERROR(EMPTY_RESULT, "result is empty"), \
427 PARA_ERROR(ESCAPE, "can not escape string"), \
428 PARA_ERROR(GET_AUDIO_FILE, "can not get current audio file"), \
429 PARA_ERROR(GET_STREAM, "can not get current stream"), \
430 PARA_ERROR(NO_STREAM, "no such stream"), \
431 PARA_ERROR(AUDIO_FILE, "no such audio file"), \
432 PARA_ERROR(GET_QUERY, "can not get query for specified stream"), \
433 PARA_ERROR(TMPFILE, "error while writing temporary file"), \
434 PARA_ERROR(META, "can not get meta data"), \
435 PARA_ERROR(MYSQL_INIT, "can not initialize mysql connection"), \
436 PARA_ERROR(NO_MYSQL_PASSWD, "fatal: no mysql passord given"), \
437 PARA_ERROR(NO_AF_DIR, "fatal: audio file directory not given"), \
438
439
440 #define COMMAND_ERRORS \
441 PARA_ERROR(COMMAND_SYNTAX, "syntax error in command"), \
442 PARA_ERROR(AUTH, "did not receive auth request"), \
443 PARA_ERROR(BAD_SELECTOR, "no such audio file selector"), \
444 PARA_ERROR(NO_AUDIO_FILE, "no audio file"), \
445 PARA_ERROR(BAD_CMD, "invalid command"), \
446 PARA_ERROR(PERM, "permission denied"), \
447 PARA_ERROR(LOCK, "lock error"), \
448 PARA_ERROR(SENDER_CMD, "command not supported by this sender"), \
449 PARA_ERROR(SERVER_CRASH, "para_server crashed -- can not live without it"), \
450 PARA_ERROR(BAD_USER, "you don't exist. Go away."), \
451
452
453 #define PLAYLIST_SELECTOR_ERRORS \
454 PARA_ERROR(LOAD_PLAYLIST, "failed to load playlist"), \
455
456
457 #define IPC_ERRORS \
458 PARA_ERROR(SEM_GET, "failed to create semaphore"), \
459 PARA_ERROR(SEM_REMOVE, "can not remove semaphore"), \
460 PARA_ERROR(SHM_GET, "failed to allocate shared memory area"), \
461 PARA_ERROR(SHM_DESTROY, "failed to destroy shared memory area"), \
462 PARA_ERROR(SHM_ATTACH, "can not attach shared memory area"), \
463 PARA_ERROR(SHM_DETACH, "can not detach shared memory area"), \
464
465
466 #define DCCP_ERRORS \
467 PARA_ERROR(DCCP_SOCKET, "can not create dccp socket"), \
468
469
470 #define DCCP_RECV_ERRORS \
471 PARA_ERROR(ADDR_INFO, "getaddrinfo error"), \
472 PARA_ERROR(DCCP_OVERRUN, "dccp output buffer buffer overrun"), \
473 PARA_ERROR(DCCP_CONNECT, "dccp connect error"), \
474 PARA_ERROR(DCCP_RECV_EOF, "dccp_recv: end of file"), \
475
476
477 #define DCCP_SEND_ERRORS \
478 PARA_ERROR(DCCP_BIND, "dccp bind error"), \
479 PARA_ERROR(DCCP_LISTEN, "dccp listen error"), \
480 PARA_ERROR(DCCP_WRITE, "dccp write error"), \
481
482
483 #define FD_ERRORS \
484 PARA_ERROR(F_GETFL, "failed to get fd flags"), \
485 PARA_ERROR(F_SETFL, "failed to set fd flags"), \
486 PARA_ERROR(FGETS, "fgets error"), \
487 PARA_ERROR(EXIST, "file or directory already exists"), \
488 PARA_ERROR(ISDIR, "error: is a directory"), \
489 PARA_ERROR(NOENT, "no such file or directory"), \
490 PARA_ERROR(OPEN_PERM, "open error (permission denied)"), \
491 PARA_ERROR(MKDIR_PERM, "mkdir error (permission denied)"), \
492 PARA_ERROR(MKDIR, "failed to create directory"), \
493 PARA_ERROR(CHDIR, "failed to change directory"), \
494 PARA_ERROR(FCHDIR, "fchdir failed"), \
495 PARA_ERROR(OPENDIR, "can not open directory"), \
496 PARA_ERROR(NOSPC, "no space left on device"), \
497 PARA_ERROR(OPEN, "failed to open file"), \
498
499
500 #define WRITE_ERRORS \
501 PARA_ERROR(WRITE_SYNTAX, "para_write syntax error"), \
502 PARA_ERROR(PREMATURE_END, "premature end of audio file"), \
503 PARA_ERROR(NO_WAV_HEADER, "wave header not found"), \
504 PARA_ERROR(WAV_HEADER_SUCCESS, "successfully read wave header"), \
505 PARA_ERROR(NO_DELAY, "no initial delay"), \
506 PARA_ERROR(DELAY_TIMEOUT, "initial delay timeout"), \
507
508
509 #define ALSA_WRITE_ERRORS \
510 PARA_ERROR(BROKEN_CONF, "Broken alsa configuration"), \
511 PARA_ERROR(ACCESS_TYPE, "alsa access type not available"), \
512 PARA_ERROR(SAMPLE_FORMAT, "sample format not available"), \
513 PARA_ERROR(CHANNEL_COUNT, "channels count not available"), \
514 PARA_ERROR(HW_PARAMS, "unable to install hw params"), \
515 PARA_ERROR(SW_PARAMS, "unable to install sw params"), \
516 PARA_ERROR(BAD_PERIOD, "can not use period equal to buffer size"), \
517 PARA_ERROR(GET_XFER, "unable to obtain xfer align"), \
518 PARA_ERROR(SET_XFER, "snd_pcm_sw_params_set_xfer_align() failed"), \
519 PARA_ERROR(ALSA_WRITE, "alsa write error"), \
520 PARA_ERROR(PCM_OPEN, "unable to open pcm"), \
521 PARA_ERROR(SND_PCM_INFO, "pcm info error"), \
522 PARA_ERROR(GET_BUFFER_TIME, "snd_pcm_hw_params_get_buffer_time_max() failed"), \
523 PARA_ERROR(SET_BUFFER_TIME, "snd_pcm_hw_params_set_buffer_time_near() failed"), \
524 PARA_ERROR(SET_RATE, "snd_pcm_hw_params_set_rate_near failed"), \
525 PARA_ERROR(START_THRESHOLD, "snd_pcm_sw_params_set_start_threshold() failed"), \
526 PARA_ERROR(STOP_THRESHOLD, "snd_pcm_sw_params_set_stop_threshold() failed"), \
527
528
529 #define FILE_WRITE_ERRORS \
530 PARA_ERROR(FW_WRITE, "file writer write error"), \
531 PARA_ERROR(FW_OPEN, "file writer: can not open output file"), \
532 PARA_ERROR(FW_NO_FILE, "task started without open file"), \
533
534
535 #define WRITE_COMMON_ERRORS \
536 PARA_ERROR(WRITE_COMMON_SYNTAX, "syntax error in write option"), \
537 PARA_ERROR(WNG_EOF, "wng: end of file"), \
538
539
540 #define AACDEC_ERRORS \
541 PARA_ERROR(AACDEC_INIT, "failed to init aac decoder"), \
542 PARA_ERROR(AAC_DECODE, "aac decode error"), \
543 PARA_ERROR(AAC_OVERRUN, "aac output buffer overrun"), \
544
545
546 #define CHUNK_QUEUE_ERRORS \
547 PARA_ERROR(QUEUE, "packet queue overrun"), \
548
549
550 /**
551 * the subsystem shift
552 *
553 * 255 error codes ought to be enough for every subsystem. Use the higher bits
554 * of the return value to encode the subsystem number
555 */
556 #define SS_SHIFT 8
557
558 /**
559 * compute the subsystem offset
560 *
561 * It is given by x * 2**8 where \a x is the subsystem number
562 */
563 #define SS_OFFSET(ss) (SS_ ## ss << SS_SHIFT)
564
565 /**
566 * make the enum of all errors of one subsystem
567 *
568 * As zero should not be an error, we define a dummy enum entry with value
569 * 2**ss. That lets the real errors start at 2**ss + 1.
570 */
571 #define SS_ENUM(ss) enum {\
572 E_ ## ss ## _DUMMY = SS_OFFSET(ss), \
573 ss ## _ERRORS}
574
575 /**
576 * determine the subsystem number from the error number
577 *
578 * Easy, it's just \a num / 2**8.
579 */
580 #define ERRNUM_TO_SS(num) ((num) >> SS_SHIFT)
581
582 /**
583 * determine the index of an error number
584 *
585 * Also easy: It's the lower 8 bits of num.
586 */
587 #define ERRNUM_TO_INDEX(num) (((1 << SS_SHIFT) - 1) & (num))
588
589 /**
590 * paraslash's version of strerror(3)
591 *
592 * expands to the error text of \a num (a string constant).
593 */
594 #define PARA_STRERROR(num) para_errlist[ERRNUM_TO_SS(num)] [ERRNUM_TO_INDEX(num)]
595
596 /**
597 * define the error list for one subsystem
598 #
599 * The first entry (index 0) is always the name of the subsystem
600 * Used by macros in config.h (generated by configure)
601 */
602 #define DEFINE_ERRLIST(ss) const char * ss ## _ERRLIST[] = {#ss, ss ## _ERRORS}
603
604 /**
605 * activate errors for one subsystem.
606 *
607 * Each executable needs only the error lists of those subssystems it is
608 * actually linked with. We always reserve space for NUM_SS char ** pointers,
609 * but only init those of the needed subsystems. This macro is used by macros
610 * in config.h (generated by configure).
611 */
612 #define PARA_ERRLIST(ss) [SS_ ## ss] = ss ## _ERRLIST
613
614 /**
615 * This is temporarily defined to expand to its first argument (prefixed by
616 * 'E_') and gets later redefined to expand to the error text only
617 */
618 #define PARA_ERROR(err, msg) E_ ## err
619
620 // #define SS_NAME(ss) para_errlist[ss]? para_errlist[ss][0] : ""
621
622 /** \cond popcorn time */
623 SS_ENUM(GUI);
624 SS_ENUM(SCHED);
625 SS_ENUM(STDIN);
626 SS_ENUM(STDOUT);
627 SS_ENUM(WAV);
628 SS_ENUM(COMPRESS);
629 SS_ENUM(TIME);
630 SS_ENUM(CLOSE_ON_FORK);
631 SS_ENUM(ORTP_RECV);
632 SS_ENUM(NET);
633 SS_ENUM(RECV);
634 SS_ENUM(AUDIOD);
635 SS_ENUM(AUDIOD_COMMAND);
636 SS_ENUM(EXEC);
637 SS_ENUM(SIGNAL);
638 SS_ENUM(STRING);
639 SS_ENUM(DAEMON);
640 SS_ENUM(STAT);
641 SS_ENUM(GRAB_CLIENT);
642 SS_ENUM(HTTP_RECV);
643 SS_ENUM(RECV_COMMON);
644 SS_ENUM(FILTER_CHAIN);
645 SS_ENUM(OGGDEC);
646 SS_ENUM(MP3DEC);
647 SS_ENUM(AACDEC);
648 SS_ENUM(FILTER);
649 SS_ENUM(MP3_AFH);
650 SS_ENUM(OGG_AFH);
651 SS_ENUM(AAC_AFH);
652 SS_ENUM(AAC_COMMON);
653 SS_ENUM(SERVER);
654 SS_ENUM(VSS);
655 SS_ENUM(COMMAND);
656 SS_ENUM(RANDOM_SELECTOR);
657 SS_ENUM(PLAYLIST_SELECTOR);
658 SS_ENUM(CRYPT);
659 SS_ENUM(HTTP_SEND);
660 SS_ENUM(ORTP_SEND);
661 SS_ENUM(AFS_COMMON);
662 SS_ENUM(MYSQL_SELECTOR);
663 SS_ENUM(IPC);
664 SS_ENUM(DCCP);
665 SS_ENUM(DCCP_RECV);
666 SS_ENUM(DCCP_SEND);
667 SS_ENUM(FD);
668 SS_ENUM(WRITE);
669 SS_ENUM(WRITE_COMMON);
670 SS_ENUM(ALSA_WRITE);
671 SS_ENUM(FILE_WRITE);
672 SS_ENUM(OSX_WRITE);
673 SS_ENUM(RINGBUFFER);
674 SS_ENUM(CLIENT);
675 SS_ENUM(CLIENT_COMMON);
676 SS_ENUM(AUDIOC);
677 SS_ENUM(USER_LIST);
678 SS_ENUM(CHUNK_QUEUE);
679
680 SS_ENUM(AFS);
681 SS_ENUM(OSL);
682 SS_ENUM(AFT);
683 SS_ENUM(MOOD);
684 SS_ENUM(SCORE);
685 SS_ENUM(ATTRIBUTE);
686 SS_ENUM(BLOB);
687 SS_ENUM(PLAYLIST);
688 SS_ENUM(SHA1);
689 SS_ENUM(RBTREE);
690 SS_ENUM(FSCK);
691 /** \endcond */
692 #undef PARA_ERROR
693 /* rest of the world only sees the error text */
694 #define PARA_ERROR(err, msg) msg