aacdec: raise min buffer size to 1000 bytes.
[paraslash.git] / error.h
1 /*
2 * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
17 */
18
19 /** \file error.h list of error messages for all subsystems */
20
21 /** \cond list of all subsystems that support the shiny new error facility */
22 enum para_subsystem {
23 SS_RECV,
24 SS_NET,
25 SS_ORTP_RECV,
26 SS_AUDIOD,
27 SS_EXEC,
28 SS_CLOSE_ON_FORK,
29 SS_SIGNAL,
30 SS_STRING,
31 SS_DAEMON,
32 SS_STAT,
33 SS_TIME,
34 SS_GRAB_CLIENT,
35 SS_HTTP_RECV,
36 SS_RECV_COMMON,
37 SS_FILTER_CHAIN,
38 SS_WAV,
39 SS_COMPRESS,
40 SS_OGGDEC,
41 SS_FILTER,
42 SS_COMMAND,
43 SS_RANDOM_SELECTOR,
44 SS_PLAYLIST_SELECTOR,
45 SS_CRYPT,
46 SS_HTTP_SEND,
47 SS_ORTP_SEND,
48 SS_DB,
49 SS_OGG,
50 SS_MP3,
51 SS_MP3DEC,
52 SS_AACDEC,
53 SS_SERVER,
54 SS_AFS,
55 SS_MYSQL_SELECTOR,
56 SS_IPC,
57 SS_DCCP,
58 SS_DCCP_RECV,
59 SS_DCCP_SEND,
60 SS_FD,
61 SS_GUI,
62 SS_WRITE,
63 SS_WRITE_COMMON,
64 SS_ALSA_WRITER,
65 SS_FILE_WRITER,
66 SS_RINGBUFFER};
67
68 #define NUM_SS (SS_RINGBUFFER + 1)
69 extern const char **para_errlist[];
70 /** \endcond */
71
72 #define NET_ERRORS \
73 PARA_ERROR(SEND, "send error"), \
74 PARA_ERROR(RECV, "receive error"), \
75 PARA_ERROR(SOCKET, "socket error"), \
76 PARA_ERROR(CONNECT, "connect error"), \
77 PARA_ERROR(ACCEPT, "accept error"), \
78 PARA_ERROR(SETSOCKOPT, "failed to set socket options"), \
79 PARA_ERROR(BIND, "bind error"), \
80 PARA_ERROR(NAME_TOO_LONG, "name too long for struct sockaddr_un"), \
81 PARA_ERROR(CHMOD, "failed to set socket mode"), \
82 PARA_ERROR(SENDMSG, "sendmsg() failed"), \
83 PARA_ERROR(RECVMSG, "recvmsg() failed"), \
84 PARA_ERROR(SCM_CREDENTIALS, "did not receive SCM credentials"), \
85 PARA_ERROR(LISTEN, "listen error"), \
86 PARA_ERROR(RECV_PATTERN, "did not receive expected pattern"), \
87 PARA_ERROR(HOST_INFO, "gethostbyname() failed"), \
88
89
90 #define ORTP_RECV_ERRORS \
91 PARA_ERROR(MSG_TO_BUF, "failed to extract rtp packet"), \
92 PARA_ERROR(ORTP_SYNTAX, "ottp syntax error"), \
93 PARA_ERROR(TOO_MANY_BAD_CHUNKS, "too many consecutive bad chunks"), \
94 PARA_ERROR(INVALID_HEADER, "invalid header packet"), \
95 PARA_ERROR(OVERRUN, "outout buffer overrun"), \
96
97
98 #define HTTP_RECV_ERRORS \
99 PARA_ERROR(SEND_HTTP_REQUEST, "failed to send http request"), \
100 PARA_ERROR(MISSING_OK, "did not receive OK message from peer"), \
101 PARA_ERROR(HTTP_RECV_BUF, "did not receive buffer")
102
103
104 #define RECV_ERRORS \
105 PARA_ERROR(RECV_SELECT, "recv select error"), \
106 PARA_ERROR(WRITE_STDOUT, "stdout write error"), \
107
108
109 #define RECV_COMMON_ERRORS \
110 PARA_ERROR(RECV_SYNTAX, "recv syntax error"), \
111
112
113 #define AUDIOD_ERRORS \
114 PARA_ERROR(WRITE_AUDIO_DATA, "failed to write audio data"), \
115 PARA_ERROR(NO_MORE_SLOTS, "no more empty slots"), \
116 PARA_ERROR(MISSING_COLON, "syntax error: missing colon"), \
117 PARA_ERROR(UNSUPPORTED_AUDIO_FORMAT, "given audio format not supported"), \
118 PARA_ERROR(CLIENT_WRITE, "client write error"), \
119 PARA_ERROR(UCRED_PERM, "permission denied"), \
120 PARA_ERROR(INVALID_AUDIOD_CMD, "invalid command"), \
121
122
123 #define FILTER_CHAIN_ERRORS \
124 PARA_ERROR(UNSUPPORTED_FILTER, "given filter not supported"), \
125 PARA_ERROR(BAD_FILTER_OPTIONS, "invalid filter option given"), \
126
127
128 #define STAT_ERRORS \
129 PARA_ERROR(TOO_MANY_CLIENTS, "maximal number of stat clients exceeded"), \
130 PARA_ERROR(UNKNOWN_STAT_ITEM, "status item not recognized"), \
131
132
133 #define OGGDEC_ERRORS \
134 PARA_ERROR(OGGDEC_READ, "read from media returned an error"), \
135 PARA_ERROR(OGGDEC_NOTVORBIS, "bitstream is not vorbis data"), \
136 PARA_ERROR(OGGDEC_VERSION, "vorbis version mismatch"), \
137 PARA_ERROR(OGGDEC_BADHEADER, "invalid vorbis bitstream header"), \
138 PARA_ERROR(OGGDEC_FAULT, "bug or heap/stack corruption"), \
139 PARA_ERROR(OGGDEC_BADLINK, "invalid stream section or requested link corrupt"), \
140
141
142 #define GRAB_CLIENT_ERRORS \
143 PARA_ERROR(PEDANTIC_GRAB, "fd not ready and pedantic grab requested"), \
144 PARA_ERROR(GC_WRITE, "grab client write error"), \
145 PARA_ERROR(BAD_GC_SLOT, "invalid slot requested by grab client"), \
146 PARA_ERROR(BAD_GC_FILTER_NUM, "invalid filter number given"), \
147 PARA_ERROR(GC_SYNTAX, "grab client syntax error"), \
148 PARA_ERROR(GC_HELP_GIVEN, ""), /* not really an error */ \
149 PARA_ERROR(GC_VERSION_GIVEN, ""), /* not really an error */ \
150
151
152 #define MP3DEC_ERRORS \
153 PARA_ERROR(MAD_FRAME_DECODE, "mad frame decode error"), \
154 PARA_ERROR(MP3DEC_OVERRUN, "mp3 output buffer overrun"), \
155
156
157 #define FILTER_ERRORS \
158 PARA_ERROR(NO_FILTERS, "at least one filter must be given"), \
159 PARA_ERROR(FILTER_SYNTAX, "syntax error"), \
160
161
162 #define SIGNAL_ERRORS \
163 PARA_ERROR(SIGNAL_SIG_ERR, "signal() retured SIG_ERR"), \
164 PARA_ERROR(SIGNAL_READ, "read error from signal pipe"), \
165 PARA_ERROR(WAITPID, "waitpid error"), \
166 PARA_ERROR(SIGNAL_PIPE, "failed to setup signal pipe"), \
167
168
169 #define STRING_ERRORS \
170 PARA_ERROR(MKSTEMP, "mkstemp error: unable to create tmp file"), \
171 PARA_ERROR(FCHMOD, "fchmod error: can not set mode"), \
172
173
174 #define EXEC_ERRORS \
175 PARA_ERROR(DUP_PIPE, "exec error: can not create pipe"), \
176 PARA_ERROR(NULL_OPEN, "can not open /dev/null"), \
177
178
179 #define MP3_ERRORS \
180 PARA_ERROR(FREAD, "fread error"), \
181 PARA_ERROR(FSEEK, "fseek error"), \
182 PARA_ERROR(FRAME, "invalid mp3 frame"), \
183 PARA_ERROR(FRAME_LENGTH, "invalid frame length"), \
184 PARA_ERROR(MP3_NO_FILE, "invalid mp3 file pointer"), \
185 PARA_ERROR(MP3_INFO, "could not read mp3 info"), \
186 PARA_ERROR(MP3_REPOS, "mp3 repositioning error"), \
187 PARA_ERROR(HEADER_FREQ, "invalid header frequency"), \
188 PARA_ERROR(HEADER_BITRATE, "invalid header bitrate"), \
189
190
191 #define OGG_ERRORS \
192 PARA_ERROR(OGG_READ, "ogg read error"), \
193 PARA_ERROR(SYNC_PAGEOUT, "ogg sync page-out error (no ogg file?)"), \
194 PARA_ERROR(STREAM_PAGEIN, "ogg stream page-in error (first page)"), \
195 PARA_ERROR(STREAM_PACKETOUT, "ogg stream packet-out error (first packet)"), \
196 PARA_ERROR(VORBIS, "vorbis synthesis header-in error (not vorbis?)"), \
197 PARA_ERROR(OGG_NO_FILE, "invalid ogg file pointer"), \
198 PARA_ERROR(OGG_OPEN, "ov_open error"), \
199 PARA_ERROR(OGG_INFO, "ov_info error"), \
200 PARA_ERROR(OGG_REPOS, "ogg repositioning error"), \
201
202
203 #define AFS_ERRORS \
204 PARA_ERROR(AUDIO_FORMAT, "audio format not recognized"), \
205 PARA_ERROR(FSTAT, "failed to fstat() audio file"), \
206
207
208 #define DB_ERRORS \
209 PARA_ERROR(GETCWD, "can not get current working directory"), \
210 PARA_ERROR(CHDIR, "can not change directory"), \
211 PARA_ERROR(OPENDIR, "can not open directory"), \
212 PARA_ERROR(LSTAT, "lstat error"), \
213
214
215 #define CRYPT_ERRORS \
216 PARA_ERROR(PRIVATE_KEY, "can not read private key"), \
217 PARA_ERROR(PUBLIC_KEY, "can not read public key"), \
218 PARA_ERROR(RSA, "RSA error"), \
219 PARA_ERROR(ENCRYPT, "encrypt error"), \
220 PARA_ERROR(DECRYPT, "decrypt error"), \
221 PARA_ERROR(CHALLENGE, "failed to read challenge"), \
222
223
224 #define HTTP_SEND_ERRORS \
225 PARA_ERROR(QUEUE, "packet queue overrun"), \
226 PARA_ERROR(WRITE_OK, "can not check whether fd is writable"), \
227
228
229 #define RANDOM_SELECTOR_ERRORS \
230 PARA_ERROR(FILE_COUNT, "audio file count exceeded"), \
231 PARA_ERROR(NOTHING_FOUND, "no audio files found"), \
232
233
234 #define MYSQL_SELECTOR_ERRORS \
235 PARA_ERROR(MYSQL_SYNTAX, "mysql syntax error"), \
236 PARA_ERROR(NOTCONN, "not connected to mysql server"), \
237 PARA_ERROR(TOOBIG, "mysql: file too large"), \
238 PARA_ERROR(NAMETOOLONG, "mysql: name too long"), \
239 PARA_ERROR(QFAILED, "mysql query failed"), \
240 PARA_ERROR(NOROW, "row is NULL"), \
241 PARA_ERROR(NOATTS, "can not get attributes from mysql table"), \
242 PARA_ERROR(NORESULT, "error while fetching mysql result"), \
243 PARA_ERROR(EMPTY_RESULT, "result is empty"), \
244 PARA_ERROR(ESCAPE, "can not escape string"), \
245 PARA_ERROR(GET_AUDIO_FILE, "can not get current audio file"), \
246 PARA_ERROR(GET_STREAM, "can not get current stream"), \
247 PARA_ERROR(NO_STREAM, "no such stream"), \
248 PARA_ERROR(AUDIO_FILE, "no such audio file"), \
249 PARA_ERROR(GET_QUERY, "can not get query for specified stream"), \
250 PARA_ERROR(TMPFILE, "error while writing temporary file"), \
251 PARA_ERROR(META, "can not get meta data"), \
252 PARA_ERROR(MYSQL_INIT, "can not initialize mysql connection"), \
253 PARA_ERROR(NO_MYSQL_PASSWD, "fatal: no mysql passord given"), \
254 PARA_ERROR(NO_AF_DIR, "fatal: audio file directory not given"), \
255
256
257 #define COMMAND_ERRORS \
258 PARA_ERROR(COMMAND_SYNTAX, "syntax error in command"), \
259 PARA_ERROR(AUTH, "did not receive auth request"), \
260 PARA_ERROR(BAD_SELECTOR, "no such audio file selector"), \
261 PARA_ERROR(NO_AUDIO_FILE, "no audio file"), \
262 PARA_ERROR(BAD_CMD, "invalid command"), \
263 PARA_ERROR(PERM, "permission denied"), \
264 PARA_ERROR(USERLIST, "failed to open user list file"), \
265 PARA_ERROR(BAD_USER, "you don't exist. Go away."), \
266 PARA_ERROR(LOCK, "lock error"), \
267 PARA_ERROR(SENDER_CMD, "command not supported by this sender"), \
268
269 #define PLAYLIST_SELECTOR_ERRORS \
270 PARA_ERROR(LOAD_PLAYLIST, "failed to load playlist"), \
271
272
273 #define IPC_ERRORS \
274 PARA_ERROR(SEM_GET, "failed to create semaphore"), \
275 PARA_ERROR(SEM_REMOVE, "can not remove semaphore"), \
276 PARA_ERROR(SHM_GET, "failed to allocate shared memory area"), \
277 PARA_ERROR(SHM_DESTROY, "failed to destroy shared memory area"), \
278 PARA_ERROR(SHM_ATTACH, "can not attach shared memory area"), \
279 PARA_ERROR(SHM_DETACH, "can not detach shared memory area"), \
280
281
282 #define DCCP_ERRORS \
283 PARA_ERROR(DCCP_SOCKET, "can not create dccp socket"), \
284 PARA_ERROR(DCCP_PACKET_SIZE, "failed to set dccp packet size"), \
285 PARA_ERROR(DCCP_SERVICE, "could not get service code"), \
286
287
288 #define DCCP_RECV_ERRORS \
289 PARA_ERROR(ADDR_INFO, "getaddrinfo error"), \
290 PARA_ERROR(DCCP_OVERRUN, "dccp output buffer buffer overrun"), \
291 PARA_ERROR(DCCP_CONNECT, "dccp connect error"), \
292
293 #define DCCP_SEND_ERRORS \
294 PARA_ERROR(DCCP_BIND, "dccp bind error"), \
295 PARA_ERROR(DCCP_LISTEN, "dccp listen error"), \
296 PARA_ERROR(DCCP_WRITE, "dccp write error"), \
297
298 #define FD_ERRORS \
299 PARA_ERROR(F_GETFL, "failed to get fd flags"), \
300 PARA_ERROR(F_SETFL, "failed to set fd flags"), \
301
302
303 #define WRITE_ERRORS \
304 PARA_ERROR(READ_HDR, "failed to read audio file header"), \
305 PARA_ERROR(READ_STDIN, "failed to read from stdin"), \
306 PARA_ERROR(WRITE_SYNTAX, "para_write syntax error"), \
307 PARA_ERROR(WRITE_OVERRUN, "buffer overrun"), \
308 PARA_ERROR(PREMATURE_END, "premature end of audio file"), \
309
310
311 #define ALSA_WRITER_ERRORS \
312 PARA_ERROR(BROKEN_CONF, "Broken alsa configuration"), \
313 PARA_ERROR(ACCESS_TYPE, "alsa access type not available"), \
314 PARA_ERROR(SAMPLE_FORMAT, "sample format not available"), \
315 PARA_ERROR(CHANNEL_COUNT, "channels count not available"), \
316 PARA_ERROR(HW_PARAMS, "unable to install hw params"), \
317 PARA_ERROR(SW_PARAMS, "unable to install sw params"), \
318 PARA_ERROR(BAD_PERIOD, "can not use period equal to buffer size"), \
319 PARA_ERROR(GET_XFER, "unable to obtain xfer align"), \
320 PARA_ERROR(SET_XFER, "snd_pcm_sw_params_set_xfer_align() failed"), \
321 PARA_ERROR(ALSA_WRITE, "alsa write error"), \
322 PARA_ERROR(PCM_OPEN, "unable to open pcm"), \
323 PARA_ERROR(SND_PCM_INFO, "pcm info error"), \
324 PARA_ERROR(GET_BUFFER_TIME, "snd_pcm_hw_params_get_buffer_time_max() failed"), \
325 PARA_ERROR(SET_BUFFER_TIME, "snd_pcm_hw_params_set_buffer_time_near() failed"), \
326 PARA_ERROR(SET_RATE, "snd_pcm_hw_params_set_rate_near failed"), \
327 PARA_ERROR(START_THRESHOLD, "snd_pcm_sw_params_set_start_threshold() failed"), \
328 PARA_ERROR(STOP_THRESHOLD, "snd_pcm_sw_params_set_stop_threshold() failed"), \
329 PARA_ERROR(ALSA_LOG, "snd_output_stdio_attach() failed"), \
330
331
332 #define FILE_WRITER_ERRORS \
333 PARA_ERROR(FW_WRITE, "file writer write error"), \
334 PARA_ERROR(FW_OPEN, "file writer: can not open output file"), \
335
336 #define WRITE_COMMON_ERRORS \
337 PARA_ERROR(WRITE_COMMON_SYNTAX, "syntax error in write option"), \
338
339 #define AACDEC_ERRORS \
340 PARA_ERROR(AACDEC_INIT, "failed to init aac decoder"), \
341 PARA_ERROR(ESDS, "did not find esds atom"), \
342 PARA_ERROR(STSZ, "did not find stsz atom"), \
343 PARA_ERROR(STCO, "did not find stco atom"), \
344 PARA_ERROR(AAC_DECODE, "aac decode error"), \
345
346 /* these do not need error handling (yet) */
347 #define SERVER_ERRORS
348 #define WAV_ERRORS
349 #define COMPRESS_ERRORS
350 #define TIME_ERRORS
351 #define CLOSE_ON_FORK_ERRORS
352 #define DAEMON_ERRORS
353 #define ORTP_SEND_ERRORS
354 #define GUI_ERRORS
355 #define RINGBUFFER_ERRORS
356
357
358 /**
359 * the subsystem shift
360 *
361 * 255 error codes ought to be enough for every subsystem. Use the higher bits
362 * of the return value to encode the subsystem number
363 */
364 #define SS_SHIFT 8
365
366 /**
367 * compute the subsystem offset
368 *
369 * It is given by x * 2**8 where \a x is the subsystem number
370 */
371 #define SS_OFFSET(ss) (SS_ ## ss << SS_SHIFT)
372
373 /**
374 * make the enum of all errors of one subsystem
375 *
376 * As zero should not be an error, we define a dummy enum entry with value
377 * 2**ss. That lets the real errors start at 2**ss + 1.
378 */
379 #define SS_ENUM(ss) enum {\
380 E_ ## ss ## _DUMMY = SS_OFFSET(ss), \
381 ss ## _ERRORS}
382
383 /**
384 * determine the subsystem number from the error number
385 *
386 * Easy, it's just \a num / 2**8.
387 */
388 #define ERRNUM_TO_SS(num) ((num) >> SS_SHIFT)
389
390 /**
391 * determine the index of an error number
392 *
393 * Also easy: It's the lower 8 bits of num - 1.
394 */
395 #define ERRNUM_TO_INDEX(num) (((1 << SS_SHIFT) - 1) & ((num) - 1))
396
397 /**
398 * paraslash's version of strerror(3)
399 *
400 * expands to the error text of \a num (a string constant).
401 */
402 #define PARA_STRERROR(num) para_errlist[ERRNUM_TO_SS(num)] [ERRNUM_TO_INDEX(num)]
403
404 /**
405 * define the error list for one subsystem
406 *
407 * Used by macros in config.h (generated by configure)
408 */
409 #define DEFINE_ERRLIST(ss) const char * ss ## _ERRLIST[] = {ss ## _ERRORS}
410
411 /**
412 * activate errors for one subsystem.
413 *
414 * Each executable needs only the error lists of those subssystems it is actually
415 * linked with. We always reserve zeroed-out space for NUM_SS char ** pointers, but
416 * only init those of the needed subsystems. This macro is used by macros in config.h
417 * (generated by configure).
418 */
419 #define PARA_ERRLIST(ss) [SS_ ## ss] = ss ## _ERRLIST
420
421 /**
422 * This is temporarily defined to expand to its second argument (prefixed by
423 * 'E_') and gets later redefined to expand to the error text only
424 */
425 #define PARA_ERROR(err, msg) E_ ## err
426
427 /** \cond popcorn time */
428 SS_ENUM(ORTP_RECV);
429 SS_ENUM(NET);
430 SS_ENUM(RECV);
431 SS_ENUM(AUDIOD);
432 SS_ENUM(EXEC);
433 SS_ENUM(CLOSE_ON_FORK);
434 SS_ENUM(SIGNAL);
435 SS_ENUM(STRING);
436 SS_ENUM(DAEMON);
437 SS_ENUM(STAT);
438 SS_ENUM(TIME);
439 SS_ENUM(GRAB_CLIENT);
440 SS_ENUM(HTTP_RECV);
441 SS_ENUM(RECV_COMMON);
442 SS_ENUM(FILTER_CHAIN);
443 SS_ENUM(WAV);
444 SS_ENUM(COMPRESS);
445 SS_ENUM(OGGDEC);
446 SS_ENUM(MP3DEC);
447 SS_ENUM(AACDEC);
448 SS_ENUM(FILTER);
449 SS_ENUM(MP3);
450 SS_ENUM(OGG);
451 SS_ENUM(SERVER);
452 SS_ENUM(AFS);
453 SS_ENUM(COMMAND);
454 SS_ENUM(RANDOM_SELECTOR);
455 SS_ENUM(PLAYLIST_SELECTOR);
456 SS_ENUM(CRYPT);
457 SS_ENUM(HTTP_SEND);
458 SS_ENUM(ORTP_SEND);
459 SS_ENUM(DB);
460 SS_ENUM(MYSQL_SELECTOR);
461 SS_ENUM(IPC);
462 SS_ENUM(DCCP);
463 SS_ENUM(DCCP_RECV);
464 SS_ENUM(DCCP_SEND);
465 SS_ENUM(FD);
466 SS_ENUM(GUI);
467 SS_ENUM(WRITE);
468 SS_ENUM(WRITE_COMMON);
469 SS_ENUM(ALSA_WRITER);
470 SS_ENUM(FILE_WRITER);
471 SS_ENUM(RINGBUFFER);
472 /** \endcond */
473 #undef PARA_ERROR
474 /* rest of the world only sees the error text */
475 #define PARA_ERROR(err, msg) msg