X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=error.h;h=1cc40e7f4e6ca6ae08da109a6c416cff75bfbd1f;hp=614390f282546a0f2ca7624db8c4964891376b5f;hb=57e0c93e87138fdf1c8793c3d1f3d2880d717548;hpb=258534d8a29be72e529acdbf4daf54d6cd8bf5c7 diff --git a/error.h b/error.h index 614390f2..1cc40e7f 100644 --- a/error.h +++ b/error.h @@ -1,157 +1,267 @@ /* - * Copyright (C) 2006 Andre Noll + * Copyright (C) 2006-2009 Andre Noll * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Licensed under the GPL v2. For licencing details see COPYING. */ -/** \file error.h list of error messages for all subsystems */ - -/** \cond list of all subsystems that support the shiny new error facility */ -enum para_subsystem { - SS_RECV, - SS_NET, - SS_ORTP_RECV, - SS_AUDIOD, - SS_EXEC, - SS_CLOSE_ON_FORK, - SS_SIGNAL, - SS_STRING, - SS_DAEMON, - SS_STAT, - SS_TIME, - SS_GRAB_CLIENT, - SS_HTTP_RECV, - SS_RECV_COMMON, - SS_FILTER_CHAIN, - SS_WAV, - SS_COMPRESS, - SS_OGGDEC, - SS_FILTER, - SS_COMMAND, - SS_RANDOM_SELECTOR, - SS_PLAYLIST_SELECTOR, - SS_CRYPT, - SS_HTTP_SEND, - SS_ORTP_SEND, - SS_DB, - SS_OGG, - SS_MP3, - SS_MP3DEC, - SS_AACDEC, - SS_SERVER, - SS_AFS, - SS_MYSQL_SELECTOR, - SS_IPC, - SS_DCCP, - SS_DCCP_RECV, - SS_DCCP_SEND, - SS_FD, - SS_GUI, - SS_WRITE, - SS_WRITE_COMMON, - SS_ALSA_WRITER, - SS_FILE_WRITER, - SS_RINGBUFFER}; - -#define NUM_SS (SS_RINGBUFFER + 1) +/** \file error.h List of error messages for all subsystems. */ + +/** \cond */ + +/* List of all subsystems that use paraslash's error facility. */ +DEFINE_ERRLIST_OBJECT_ENUM; + +/* these do not need error handling (yet) */ +#define SERVER_ERRORS +#define TIME_ERRORS +#define CLOSE_ON_FORK_ERRORS +#define DAEMON_ERRORS +#define UDP_SEND_ERRORS +#define GUI_ERRORS +#define RINGBUFFER_ERRORS +#define SCORE_ERRORS +#define SHA1_ERRORS +#define RBTREE_ERRORS +#define RECV_ERRORS +#define STDOUT_ERRORS +#define IPC_ERRORS +#define DCCP_SEND_ERRORS +#define HTTP_SEND_ERRORS +#define GGO_ERRORS +#define COLOR_ERRORS +#define SIGNAL_ERRORS + + extern const char **para_errlist[]; -/** \endcond */ + +#define PREBUFFER_FILTER_ERRORS \ + PARA_ERROR(PREBUFFER_SYNTAX, "syntax error in prebuffer filter config"), \ + +#define OSS_WRITE_ERRORS \ + PARA_ERROR(BAD_SAMPLE_FORMAT, "sample format not supported"), \ + PARA_ERROR(BAD_CHANNEL_COUNT, "channel count not supported"), \ + PARA_ERROR(BAD_SAMPLERATE, "sample rate not supported"), \ + + +#define COMPRESS_FILTER_ERRORS \ + PARA_ERROR(COMPRESS_SYNTAX, "syntax error in compress filter config"), \ + + +#define WAV_FILTER_ERRORS \ + PARA_ERROR(WAV_BAD_FC, "invalid filter chain configuration"), \ + + +#define FEC_ERRORS \ + PARA_ERROR(FEC_BAD_IDX, "invalid index vector"), \ + PARA_ERROR(FEC_SINGULAR, "unexpected singular matrix"), \ + PARA_ERROR(FEC_PIVOT, "pivot column not found"), \ + PARA_ERROR(FEC_PARMS, "invalid fec parameters"), \ + + +#define FECDEC_FILTER_ERRORS \ + PARA_ERROR(BAD_FEC_HEADER, "invalid fec header"), \ + PARA_ERROR(BAD_SLICE_SIZE, "slice size zero or too large"), \ + PARA_ERROR(BAD_SLICE_NUM, "invalid slice number"), \ + PARA_ERROR(FECDEC_OVERRUN, "fecdec output buffer overrun"), \ + PARA_ERROR(FECDEC_EOF, "received eof packet"), \ + + +#define AMP_FILTER_ERRORS \ + PARA_ERROR(AMP_SYNTAX, "syntax error in amp filter config"), \ + + +#define SEND_COMMON_ERRORS \ + PARA_ERROR(MAX_CLIENTS, "maximal number of clients exceeded"), \ + + +#define FADE_ERRORS \ + PARA_ERROR(FADE_SYNTAX, "fade syntax error"), \ + + +#define CLIENT_ERRORS \ + PARA_ERROR(TASK_STARTED, "task started"), \ + + +#define AFH_ERRORS \ + PARA_ERROR(AFH_SYNTAX, "afh syntax error"), \ + PARA_ERROR(AFH_SHORT_WRITE, "afh short write"), \ + + +#define AFH_COMMON_ERRORS \ + PARA_ERROR(AUDIO_FORMAT, "audio format not recognized"), \ + + +#define ACL_ERRORS \ + PARA_ERROR(ACL_PERM, "access denied by acl"), \ + + +#define FSCK_ERRORS \ + PARA_ERROR(FSCK_SYNTAX, "fsck syntax error"), \ + PARA_ERROR(RANGE_VIOLATION, "range violation detected, very bad"), \ + PARA_ERROR(NOT_A_REGULAR_FILE, "not a regular file"), \ + +#define AFS_ERRORS \ + PARA_ERROR(BAD_TABLE_NAME, "invalid table"), \ + PARA_ERROR(INPUT_TOO_LARGE, "input too large for stdin command"), \ + PARA_ERROR(AFS_SYNTAX, "afs syntax error"), \ + PARA_ERROR(AFS_SIGNAL, "afs caught deadly signal"), \ + PARA_ERROR(AFS_SOCKET, "afs socket not writable"), \ + PARA_ERROR(AFS_SHORT_READ, "short read from afs socket"), \ + PARA_ERROR(OSL, "osl error"), \ + + +#define MOOD_ERRORS \ + PARA_ERROR(MOOD_SYNTAX, "mood syntax error"), \ + PARA_ERROR(NO_MOOD, "no mood available"), \ + PARA_ERROR(NOT_ADMISSIBLE, "file is not admissible"), \ + PARA_ERROR(DUMMY_ROW, "attempted to access blob dummy object"), \ + + +#define ATTRIBUTE_ERRORS \ + PARA_ERROR(ATTR_SYNTAX, "attribute syntax error"), \ + PARA_ERROR(NO_ATTRIBUTES, "no attributes defined yet"), \ + PARA_ERROR(ATT_TABLE_FULL, "no more space left in attribute table"), \ + + +#define BLOB_ERRORS \ + PARA_ERROR(BLOB_SYNTAX, "blob syntax error"), \ + + +#define PLAYLIST_ERRORS \ + PARA_ERROR(PLAYLIST_LOADED, ""), /* not really an error */ \ + PARA_ERROR(PATH_FOUND, ""), /* not really an error */ \ + PARA_ERROR(PLAYLIST_EMPTY, "attempted to load empty playlist"), \ + + +#define AFT_ERRORS \ + PARA_ERROR(BAD_AFSI, "invaiid afs info"), \ + PARA_ERROR(LOCALTIME, "localtime() failed"), \ + PARA_ERROR(STRFTIME, "strftime() failed"), \ + PARA_ERROR(BAD_PATH, "invalid path"), \ + PARA_ERROR(BAD_SORT, "invalid sorting method"), \ + PARA_ERROR(FNMATCH, "fnmatch error"), \ + PARA_ERROR(NO_MATCH, "no matches"), \ + PARA_ERROR(NO_AFHI, "audio format handler info required"), \ + PARA_ERROR(AFT_SYNTAX, "audio file table syntax error"), \ + PARA_ERROR(HASH_MISMATCH, "hash mismatch, consider re-add"), \ + + +#define USER_LIST_ERRORS \ + PARA_ERROR(USERLIST, "failed to open user list file"), \ + + +#define OSX_WRITE_ERRORS \ + PARA_ERROR(STREAM_FORMAT, "could not set stream format"), \ + PARA_ERROR(ADD_CALLBACK, "can not add callback"), \ + PARA_ERROR(OPEN_COMP, "OpenAComponent() error"), \ + PARA_ERROR(UNIT_INIT, "AudioUnitInitialize() error"), \ + PARA_ERROR(UNIT_START, "AudioUnitStart() error"), \ + PARA_ERROR(DEFAULT_COMP, "can not find default audio output component"), \ + + +#define AUDIOC_ERRORS \ + PARA_ERROR(AUDIOC_SYNTAX, "audioc syntax error"), \ + PARA_ERROR(AUDIOC_READ, "audioc read error"), \ + PARA_ERROR(AUDIOC_WRITE, "audioc write error"), \ + PARA_ERROR(AUDIOC_OVERRUN, "audioc buffer overrun"), \ + + +#define CLIENT_COMMON_ERRORS \ + PARA_ERROR(CLIENT_SYNTAX, "syntax error"), \ + PARA_ERROR(INVALID_CHALLENGE, "did not receive valid challenge"), \ + PARA_ERROR(NO_CONFIG, "config file not found"), \ + PARA_ERROR(BAD_CONFIG, "syntax error in config file"), \ + PARA_ERROR(CLIENT_AUTH, "authentication failed"), \ + PARA_ERROR(SERVER_EOF, "connection closed by para_server"), \ + + +#define SCHED_ERRORS \ + PARA_ERROR(TASK_KILLED, "task killed"), \ + PARA_ERROR(TASK_UNREGISTERED, "task has been unscheduled"), \ + PARA_ERROR(NO_SUCH_TASK, "task not found"), \ + PARA_ERROR(NOT_INITIALIZED, "scheduler not yet initialized"), \ + + +#define STDIN_ERRORS \ + PARA_ERROR(STDIN_EOF, "end of file"), \ + + #define NET_ERRORS \ - PARA_ERROR(SEND, "send error"), \ - PARA_ERROR(RECV, "receive error"), \ - PARA_ERROR(SOCKET, "socket error"), \ - PARA_ERROR(CONNECT, "connect error"), \ - PARA_ERROR(ACCEPT, "accept error"), \ - PARA_ERROR(SETSOCKOPT, "failed to set socket options"), \ - PARA_ERROR(BIND, "bind error"), \ PARA_ERROR(NAME_TOO_LONG, "name too long for struct sockaddr_un"), \ + PARA_ERROR(ADDRESS_LOOKUP, "address lookup / socket creation failed"), \ PARA_ERROR(CHMOD, "failed to set socket mode"), \ PARA_ERROR(SENDMSG, "sendmsg() failed"), \ PARA_ERROR(RECVMSG, "recvmsg() failed"), \ PARA_ERROR(SCM_CREDENTIALS, "did not receive SCM credentials"), \ - PARA_ERROR(LISTEN, "listen error"), \ PARA_ERROR(RECV_PATTERN, "did not receive expected pattern"), \ - PARA_ERROR(HOST_INFO, "gethostbyname() failed"), \ -#define ORTP_RECV_ERRORS \ - PARA_ERROR(MSG_TO_BUF, "failed to extract rtp packet"), \ - PARA_ERROR(ORTP_SYNTAX, "ottp syntax error"), \ - PARA_ERROR(TOO_MANY_BAD_CHUNKS, "too many consecutive bad chunks"), \ - PARA_ERROR(INVALID_HEADER, "invalid header packet"), \ - PARA_ERROR(OVERRUN, "outout buffer overrun"), \ +#define UDP_RECV_ERRORS \ + PARA_ERROR(UDP_SYNTAX, "udp_recv syntax error"), \ + PARA_ERROR(UDP_BAD_HEADER, "invalid udp audio header"), \ + PARA_ERROR(UDP_OVERRUN, "output buffer overrun"), \ + PARA_ERROR(UDP_BAD_STREAM_TYPE, "invalid stream type"), \ #define HTTP_RECV_ERRORS \ - PARA_ERROR(SEND_HTTP_REQUEST, "failed to send http request"), \ - PARA_ERROR(MISSING_OK, "did not receive OK message from peer"), \ - PARA_ERROR(HTTP_RECV_BUF, "did not receive buffer") - - -#define RECV_ERRORS \ - PARA_ERROR(RECV_SELECT, "recv select error"), \ - PARA_ERROR(WRITE_STDOUT, "stdout write error"), \ + PARA_ERROR(HTTP_RECV_OVERRUN, "http_recv: output buffer overrun"), \ #define RECV_COMMON_ERRORS \ PARA_ERROR(RECV_SYNTAX, "recv syntax error"), \ + PARA_ERROR(RECV_EOF, "end of file"), \ #define AUDIOD_ERRORS \ - PARA_ERROR(WRITE_AUDIO_DATA, "failed to write audio data"), \ PARA_ERROR(NO_MORE_SLOTS, "no more empty slots"), \ PARA_ERROR(MISSING_COLON, "syntax error: missing colon"), \ PARA_ERROR(UNSUPPORTED_AUDIO_FORMAT, "given audio format not supported"), \ + PARA_ERROR(NOT_PLAYING, "not playing"), \ + PARA_ERROR(AUDIOD_OFF, "audiod switched off"), \ + PARA_ERROR(STATUS_TIMEOUT, "timeout reading server status"), \ + + +#define AUDIOD_COMMAND_ERRORS \ PARA_ERROR(CLIENT_WRITE, "client write error"), \ + PARA_ERROR(AUDIOD_SYNTAX, "syntax error"), \ PARA_ERROR(UCRED_PERM, "permission denied"), \ PARA_ERROR(INVALID_AUDIOD_CMD, "invalid command"), \ -#define FILTER_CHAIN_ERRORS \ +#define FILTER_COMMON_ERRORS \ PARA_ERROR(UNSUPPORTED_FILTER, "given filter not supported"), \ PARA_ERROR(BAD_FILTER_OPTIONS, "invalid filter option given"), \ + PARA_ERROR(FC_EOF, "filter chain: eof"), \ #define STAT_ERRORS \ PARA_ERROR(TOO_MANY_CLIENTS, "maximal number of stat clients exceeded"), \ PARA_ERROR(UNKNOWN_STAT_ITEM, "status item not recognized"), \ + PARA_ERROR(STAT_ITEM_PARSE, "failed to parse status item"), \ -#define OGGDEC_ERRORS \ +#define OGGDEC_FILTER_ERRORS \ PARA_ERROR(OGGDEC_READ, "read from media returned an error"), \ PARA_ERROR(OGGDEC_NOTVORBIS, "bitstream is not vorbis data"), \ PARA_ERROR(OGGDEC_VERSION, "vorbis version mismatch"), \ PARA_ERROR(OGGDEC_BADHEADER, "invalid vorbis bitstream header"), \ PARA_ERROR(OGGDEC_FAULT, "bug or heap/stack corruption"), \ PARA_ERROR(OGGDEC_BADLINK, "invalid stream section or requested link corrupt"), \ + PARA_ERROR(OGGDEC_SYNTAX, "syntax error in oggdec config"), \ #define GRAB_CLIENT_ERRORS \ - PARA_ERROR(PEDANTIC_GRAB, "fd not ready and pedantic grab requested"), \ PARA_ERROR(GC_WRITE, "grab client write error"), \ PARA_ERROR(BAD_GC_SLOT, "invalid slot requested by grab client"), \ PARA_ERROR(BAD_GC_FILTER_NUM, "invalid filter number given"), \ PARA_ERROR(GC_SYNTAX, "grab client syntax error"), \ - PARA_ERROR(GC_HELP_GIVEN, ""), /* not really an error */ \ - PARA_ERROR(GC_VERSION_GIVEN, ""), /* not really an error */ \ -#define MP3DEC_ERRORS \ +#define MP3DEC_FILTER_ERRORS \ PARA_ERROR(MAD_FRAME_DECODE, "mad frame decode error"), \ PARA_ERROR(MP3DEC_OVERRUN, "mp3 output buffer overrun"), \ + PARA_ERROR(MP3DEC_SYNTAX, "syntax error in mp3dec config"), \ #define FILTER_ERRORS \ @@ -159,57 +269,53 @@ extern const char **para_errlist[]; PARA_ERROR(FILTER_SYNTAX, "syntax error"), \ -#define SIGNAL_ERRORS \ - PARA_ERROR(SIGNAL_SIG_ERR, "signal() retured SIG_ERR"), \ - PARA_ERROR(SIGNAL_READ, "read error from signal pipe"), \ - PARA_ERROR(WAITPID, "waitpid error"), \ - PARA_ERROR(SIGNAL_PIPE, "failed to setup signal pipe"), \ - - #define STRING_ERRORS \ - PARA_ERROR(MKSTEMP, "mkstemp error: unable to create tmp file"), \ - PARA_ERROR(FCHMOD, "fchmod error: can not set mode"), \ + PARA_ERROR(ATOI_OVERFLOW, "value too large"), \ + PARA_ERROR(STRTOLL, "unknown strtoll error"), \ + PARA_ERROR(ATOI_NO_DIGITS, "no digits found in string"), \ + PARA_ERROR(ATOI_JUNK_AT_END, "further characters after number"), \ + PARA_ERROR(SIZE_PREFIX, "bad size prefix"), \ + PARA_ERROR(REGEX, "regular expression error") \ #define EXEC_ERRORS \ PARA_ERROR(DUP_PIPE, "exec error: can not create pipe"), \ - PARA_ERROR(NULL_OPEN, "can not open /dev/null"), \ -#define MP3_ERRORS \ - PARA_ERROR(FREAD, "fread error"), \ - PARA_ERROR(FSEEK, "fseek error"), \ +#define MP3_AFH_ERRORS \ PARA_ERROR(FRAME, "invalid mp3 frame"), \ PARA_ERROR(FRAME_LENGTH, "invalid frame length"), \ - PARA_ERROR(MP3_NO_FILE, "invalid mp3 file pointer"), \ PARA_ERROR(MP3_INFO, "could not read mp3 info"), \ - PARA_ERROR(MP3_REPOS, "mp3 repositioning error"), \ PARA_ERROR(HEADER_FREQ, "invalid header frequency"), \ PARA_ERROR(HEADER_BITRATE, "invalid header bitrate"), \ -#define OGG_ERRORS \ +#define AAC_AFH_ERRORS \ + PARA_ERROR(STSZ, "did not find stcz atom"), \ + PARA_ERROR(MP4ASC, "audio spec config error"), \ + PARA_ERROR(AAC_AFH_INIT, "failed to init aac decoder"), \ + + +#define AAC_COMMON_ERRORS \ + PARA_ERROR(ESDS, "did not find esds atom"), \ + PARA_ERROR(STCO, "did not find stco atom"), \ + + +#define OGG_AFH_ERRORS \ PARA_ERROR(OGG_READ, "ogg read error"), \ PARA_ERROR(SYNC_PAGEOUT, "ogg sync page-out error (no ogg file?)"), \ PARA_ERROR(STREAM_PAGEIN, "ogg stream page-in error (first page)"), \ PARA_ERROR(STREAM_PACKETOUT, "ogg stream packet-out error (first packet)"), \ PARA_ERROR(VORBIS, "vorbis synthesis header-in error (not vorbis?)"), \ - PARA_ERROR(OGG_NO_FILE, "invalid ogg file pointer"), \ - PARA_ERROR(OGG_OPEN, "ov_open error"), \ PARA_ERROR(OGG_INFO, "ov_info error"), \ - PARA_ERROR(OGG_REPOS, "ogg repositioning error"), \ + PARA_ERROR(OGG_VERSION, "unsupported ogg version"), \ + PARA_ERROR(OGG_BAD_HEADER, "invalid ogg vorbis header"), \ + PARA_ERROR(OGG_UNKNOWN_ERROR, "unknown ogg vorbis error"), \ -#define AFS_ERRORS \ - PARA_ERROR(AUDIO_FORMAT, "audio format not recognized"), \ - PARA_ERROR(FSTAT, "failed to fstat() audio file"), \ - - -#define DB_ERRORS \ - PARA_ERROR(GETCWD, "can not get current working directory"), \ - PARA_ERROR(CHDIR, "can not change directory"), \ - PARA_ERROR(OPENDIR, "can not open directory"), \ - PARA_ERROR(LSTAT, "lstat error"), \ +#define VSS_ERRORS \ + PARA_ERROR(NOFD, "did not receive open fd from afs"), \ + PARA_ERROR(BAD_CT, "invalid chunk table or bad FEC configuration") #define CRYPT_ERRORS \ @@ -221,157 +327,91 @@ extern const char **para_errlist[]; PARA_ERROR(CHALLENGE, "failed to read challenge"), \ -#define HTTP_SEND_ERRORS \ - PARA_ERROR(QUEUE, "packet queue overrun"), \ - PARA_ERROR(WRITE_OK, "can not check whether fd is writable"), \ - - -#define RANDOM_SELECTOR_ERRORS \ - PARA_ERROR(FILE_COUNT, "audio file count exceeded"), \ - PARA_ERROR(NOTHING_FOUND, "no audio files found"), \ - - -#define MYSQL_SELECTOR_ERRORS \ - PARA_ERROR(MYSQL_SYNTAX, "mysql syntax error"), \ - PARA_ERROR(NOTCONN, "not connected to mysql server"), \ - PARA_ERROR(TOOBIG, "mysql: file too large"), \ - PARA_ERROR(NAMETOOLONG, "mysql: name too long"), \ - PARA_ERROR(QFAILED, "mysql query failed"), \ - PARA_ERROR(NOROW, "row is NULL"), \ - PARA_ERROR(NOATTS, "can not get attributes from mysql table"), \ - PARA_ERROR(NORESULT, "error while fetching mysql result"), \ - PARA_ERROR(EMPTY_RESULT, "result is empty"), \ - PARA_ERROR(ESCAPE, "can not escape string"), \ - PARA_ERROR(GET_AUDIO_FILE, "can not get current audio file"), \ - PARA_ERROR(GET_STREAM, "can not get current stream"), \ - PARA_ERROR(NO_STREAM, "no such stream"), \ - PARA_ERROR(AUDIO_FILE, "no such audio file"), \ - PARA_ERROR(GET_QUERY, "can not get query for specified stream"), \ - PARA_ERROR(TMPFILE, "error while writing temporary file"), \ - PARA_ERROR(META, "can not get meta data"), \ - PARA_ERROR(MYSQL_INIT, "can not initialize mysql connection"), \ - PARA_ERROR(NO_MYSQL_PASSWD, "fatal: no mysql passord given"), \ - PARA_ERROR(NO_AF_DIR, "fatal: audio file directory not given"), \ - - #define COMMAND_ERRORS \ PARA_ERROR(COMMAND_SYNTAX, "syntax error in command"), \ - PARA_ERROR(AUTH, "did not receive auth request"), \ - PARA_ERROR(BAD_SELECTOR, "no such audio file selector"), \ + PARA_ERROR(AUTH_REQUEST, "did not receive auth request"), \ PARA_ERROR(NO_AUDIO_FILE, "no audio file"), \ PARA_ERROR(BAD_CMD, "invalid command"), \ PARA_ERROR(PERM, "permission denied"), \ - PARA_ERROR(USERLIST, "failed to open user list file"), \ - PARA_ERROR(BAD_USER, "you don't exist. Go away."), \ PARA_ERROR(LOCK, "lock error"), \ PARA_ERROR(SENDER_CMD, "command not supported by this sender"), \ - -#define PLAYLIST_SELECTOR_ERRORS \ - PARA_ERROR(LOAD_PLAYLIST, "failed to load playlist"), \ - - -#define IPC_ERRORS \ - PARA_ERROR(SEM_GET, "failed to create semaphore"), \ - PARA_ERROR(SEM_REMOVE, "can not remove semaphore"), \ - PARA_ERROR(SHM_GET, "failed to allocate shared memory area"), \ - PARA_ERROR(SHM_DESTROY, "failed to destroy shared memory area"), \ - PARA_ERROR(SHM_ATTACH, "can not attach shared memory area"), \ - PARA_ERROR(SHM_DETACH, "can not detach shared memory area"), \ - - -#define DCCP_ERRORS \ - PARA_ERROR(DCCP_SOCKET, "can not create dccp socket"), \ - PARA_ERROR(DCCP_PACKET_SIZE, "failed to set dccp packet size"), \ - PARA_ERROR(DCCP_SERVICE, "could not get service code"), \ + PARA_ERROR(SERVER_CRASH, "para_server crashed -- can not live without it"), \ + PARA_ERROR(BAD_USER, "auth request for invalid user"), \ + PARA_ERROR(BAD_AUTH, "authentication failure"), \ #define DCCP_RECV_ERRORS \ - PARA_ERROR(ADDR_INFO, "getaddrinfo error"), \ PARA_ERROR(DCCP_OVERRUN, "dccp output buffer buffer overrun"), \ - PARA_ERROR(DCCP_CONNECT, "dccp connect error"), \ -#define DCCP_SEND_ERRORS \ - PARA_ERROR(DCCP_BIND, "dccp bind error"), \ - PARA_ERROR(DCCP_LISTEN, "dccp listen error"), \ - PARA_ERROR(DCCP_WRITE, "dccp write error"), \ #define FD_ERRORS \ - PARA_ERROR(F_GETFL, "failed to get fd flags"), \ - PARA_ERROR(F_SETFL, "failed to set fd flags"), \ + PARA_ERROR(FGETS, "fgets error"), \ #define WRITE_ERRORS \ - PARA_ERROR(READ_HDR, "failed to read audio file header"), \ - PARA_ERROR(READ_STDIN, "failed to read from stdin"), \ PARA_ERROR(WRITE_SYNTAX, "para_write syntax error"), \ - PARA_ERROR(WRITE_OVERRUN, "buffer overrun"), \ - PARA_ERROR(PREMATURE_END, "premature end of audio file"), \ + PARA_ERROR(NO_WAV_HEADER, "wave header not found"), \ + PARA_ERROR(WAV_HEADER_SUCCESS, "successfully read wave header"), \ + PARA_ERROR(NO_DELAY, "no initial delay"), \ + PARA_ERROR(DELAY_TIMEOUT, "initial delay timeout"), \ -#define ALSA_WRITER_ERRORS \ +#define ALSA_WRITE_ERRORS \ PARA_ERROR(BROKEN_CONF, "Broken alsa configuration"), \ PARA_ERROR(ACCESS_TYPE, "alsa access type not available"), \ PARA_ERROR(SAMPLE_FORMAT, "sample format not available"), \ PARA_ERROR(CHANNEL_COUNT, "channels count not available"), \ PARA_ERROR(HW_PARAMS, "unable to install hw params"), \ - PARA_ERROR(SW_PARAMS, "unable to install sw params"), \ PARA_ERROR(BAD_PERIOD, "can not use period equal to buffer size"), \ - PARA_ERROR(GET_XFER, "unable to obtain xfer align"), \ - PARA_ERROR(SET_XFER, "snd_pcm_sw_params_set_xfer_align() failed"), \ PARA_ERROR(ALSA_WRITE, "alsa write error"), \ PARA_ERROR(PCM_OPEN, "unable to open pcm"), \ - PARA_ERROR(SND_PCM_INFO, "pcm info error"), \ + PARA_ERROR(PHYSICAL_WIDTH, "unable to determine bytes per frame"), \ PARA_ERROR(GET_BUFFER_TIME, "snd_pcm_hw_params_get_buffer_time_max() failed"), \ PARA_ERROR(SET_BUFFER_TIME, "snd_pcm_hw_params_set_buffer_time_near() failed"), \ PARA_ERROR(SET_RATE, "snd_pcm_hw_params_set_rate_near failed"), \ PARA_ERROR(START_THRESHOLD, "snd_pcm_sw_params_set_start_threshold() failed"), \ PARA_ERROR(STOP_THRESHOLD, "snd_pcm_sw_params_set_stop_threshold() failed"), \ - PARA_ERROR(ALSA_LOG, "snd_output_stdio_attach() failed"), \ -#define FILE_WRITER_ERRORS \ +#define FILE_WRITE_ERRORS \ PARA_ERROR(FW_WRITE, "file writer write error"), \ PARA_ERROR(FW_OPEN, "file writer: can not open output file"), \ + PARA_ERROR(FW_NO_FILE, "task started without open file"), \ + #define WRITE_COMMON_ERRORS \ PARA_ERROR(WRITE_COMMON_SYNTAX, "syntax error in write option"), \ -#define AACDEC_ERRORS \ + +#define AACDEC_FILTER_ERRORS \ PARA_ERROR(AACDEC_INIT, "failed to init aac decoder"), \ - PARA_ERROR(ESDS, "did not find esds atom"), \ - PARA_ERROR(STSZ, "did not find stsz atom"), \ - PARA_ERROR(STCO, "did not find stco atom"), \ PARA_ERROR(AAC_DECODE, "aac decode error"), \ + PARA_ERROR(AAC_OVERRUN, "aac output buffer overrun"), \ -/* these do not need error handling (yet) */ -#define SERVER_ERRORS -#define WAV_ERRORS -#define COMPRESS_ERRORS -#define TIME_ERRORS -#define CLOSE_ON_FORK_ERRORS -#define DAEMON_ERRORS -#define ORTP_SEND_ERRORS -#define GUI_ERRORS -#define RINGBUFFER_ERRORS + +#define CHUNK_QUEUE_ERRORS \ + PARA_ERROR(QUEUE, "packet queue overrun"), \ +/** \endcond */ + /** - * the subsystem shift + * The subsystem shift. * * 255 error codes ought to be enough for every subsystem. Use the higher bits - * of the return value to encode the subsystem number + * of the return value to encode the subsystem number. */ #define SS_SHIFT 8 /** - * compute the subsystem offset + * Compute the subsystem offset. * - * It is given by x * 2**8 where \a x is the subsystem number + * It is given by x * 2**8 where \a x is the subsystem number. */ #define SS_OFFSET(ss) (SS_ ## ss << SS_SHIFT) /** - * make the enum of all errors of one subsystem + * Make the enum of all errors of one subsystem. * * As zero should not be an error, we define a dummy enum entry with value * 2**ss. That lets the real errors start at 2**ss + 1. @@ -381,95 +421,118 @@ extern const char **para_errlist[]; ss ## _ERRORS} /** - * determine the subsystem number from the error number + * Determine the subsystem number from the error number. * * Easy, it's just \a num / 2**8. */ #define ERRNUM_TO_SS(num) ((num) >> SS_SHIFT) /** - * determine the index of an error number + * Determine the index of an error number. + * + * Also easy: It's the lower 8 bits of num. + */ +#define ERRNUM_TO_INDEX(num) (((1 << SS_SHIFT) - 1) & (num)) + +/** + * This bit indicates whether a number is considered a system error number + * If yes, the system errno is just the result of clearing this bit from + * the given number. + */ +#define SYSTEM_ERROR_BIT 30 + +/** + * Like the SYSTEM_ERROR_BIT, but indicates an error from the osl library. + */ +#define OSL_ERROR_BIT 29 + +/** Check whether the system error bit is set. */ +#define IS_SYSTEM_ERROR(num) (!!((num) & (1 << SYSTEM_ERROR_BIT))) + +/** Check whether the osl error bit is set. */ +#define IS_OSL_ERROR(num) (!!((num) & (1 << OSL_ERROR_BIT))) + +/** Set the system error bit for the given number. */ +#define ERRNO_TO_PARA_ERROR(num) ((num) | (1 << SYSTEM_ERROR_BIT)) + +/** Set the osl error bit for the given number. */ +#define OSL_ERRNO_TO_PARA_ERROR(num) ((num) | (1 << OSL_ERROR_BIT)) + +/** Check whether a given number is a system error number. + * + * \param num The value to be checked. + * \param _errno The system error number. * - * Also easy: It's the lower 8 bits of num - 1. + * \return True if \a num is paraslash's representation of the system + * error identified by \a _errno. */ -#define ERRNUM_TO_INDEX(num) (((1 << SS_SHIFT) - 1) & ((num) - 1)) +_static_inline_ int is_errno(int num, int _errno) +{ + assert(num > 0 && _errno > 0); + return ERRNO_TO_PARA_ERROR(_errno) == num; +} /** - * paraslash's version of strerror(3) + * Paraslash's version of strerror(3). * - * expands to the error text of \a num (a string constant). + * \param num The error number. + * + * \return The error text of \a num. */ -#define PARA_STRERROR(num) para_errlist[ERRNUM_TO_SS(num)] [ERRNUM_TO_INDEX(num)] +_static_inline_ const char *para_strerror(int num) +{ + assert(num > 0); +#ifdef _OSL_H + if (IS_OSL_ERROR(num)) + return osl_strerror(num & ((1 << OSL_ERROR_BIT) - 1)); +#endif + if (IS_SYSTEM_ERROR(num)) + return strerror(num & ((1 << SYSTEM_ERROR_BIT) - 1)); + return para_errlist[ERRNUM_TO_SS(num)][ERRNUM_TO_INDEX(num)]; +} /** - * define the error list for one subsystem + * Wrapper for osl library calls. + * + * \param ret The return value of an osl library function. * - * Used by macros in config.h (generated by configure) + * This should be used for all calls to osl functions that return an osl error + * code. It changes the return value appropriately so that it can be used for + * printing the correct error message vi para_strerror(). + * + * \return \a ret if \a ret >= 0, a paraslash error code otherwise. + */ +_static_inline_ int osl(int ret) +{ + if (ret >= 0) + return ret; + return -OSL_ERRNO_TO_PARA_ERROR(-ret); +} + +/** + * Define the error list for one subsystem. + # + * The first entry (index 0) is always the name of the subsystem + * Used by macros in config.h (generated by configure). */ -#define DEFINE_ERRLIST(ss) const char * ss ## _ERRLIST[] = {ss ## _ERRORS} +#define DEFINE_ERRLIST(ss) const char * ss ## _ERRLIST[] = {#ss, ss ## _ERRORS} /** - * activate errors for one subsystem. + * Activate errors for one subsystem. * - * Each executable needs only the error lists of those subssystems it is actually - * linked with. We always reserve zeroed-out space for NUM_SS char ** pointers, but - * only init those of the needed subsystems. This macro is used by macros in config.h - * (generated by configure). + * Each executable needs only the error lists of those subsystems it is + * actually linked with. We always reserve space for NUM_SS char pointers, + * but only init those of the needed subsystems. This macro is used by macros + * in config.h (generated by configure). */ #define PARA_ERRLIST(ss) [SS_ ## ss] = ss ## _ERRLIST /** - * This is temporarily defined to expand to its second argument (prefixed by + * This is temporarily defined to expand to its first argument (prefixed by * 'E_') and gets later redefined to expand to the error text only */ #define PARA_ERROR(err, msg) E_ ## err - -/** \cond popcorn time */ -SS_ENUM(ORTP_RECV); -SS_ENUM(NET); -SS_ENUM(RECV); -SS_ENUM(AUDIOD); -SS_ENUM(EXEC); -SS_ENUM(CLOSE_ON_FORK); -SS_ENUM(SIGNAL); -SS_ENUM(STRING); -SS_ENUM(DAEMON); -SS_ENUM(STAT); -SS_ENUM(TIME); -SS_ENUM(GRAB_CLIENT); -SS_ENUM(HTTP_RECV); -SS_ENUM(RECV_COMMON); -SS_ENUM(FILTER_CHAIN); -SS_ENUM(WAV); -SS_ENUM(COMPRESS); -SS_ENUM(OGGDEC); -SS_ENUM(MP3DEC); -SS_ENUM(AACDEC); -SS_ENUM(FILTER); -SS_ENUM(MP3); -SS_ENUM(OGG); -SS_ENUM(SERVER); -SS_ENUM(AFS); -SS_ENUM(COMMAND); -SS_ENUM(RANDOM_SELECTOR); -SS_ENUM(PLAYLIST_SELECTOR); -SS_ENUM(CRYPT); -SS_ENUM(HTTP_SEND); -SS_ENUM(ORTP_SEND); -SS_ENUM(DB); -SS_ENUM(MYSQL_SELECTOR); -SS_ENUM(IPC); -SS_ENUM(DCCP); -SS_ENUM(DCCP_RECV); -SS_ENUM(DCCP_SEND); -SS_ENUM(FD); -SS_ENUM(GUI); -SS_ENUM(WRITE); -SS_ENUM(WRITE_COMMON); -SS_ENUM(ALSA_WRITER); -SS_ENUM(FILE_WRITER); -SS_ENUM(RINGBUFFER); -/** \endcond */ +#include "error2.h" #undef PARA_ERROR -/* rest of the world only sees the error text */ +/* Rest of the world only sees the error text. */ #define PARA_ERROR(err, msg) msg