/*
- * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2009 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
-/** \file error.h list of error messages for all subsystems */
+/** \file error.h List of error messages for all subsystems. */
/** \cond */
-/* list of all subsystems that use paraslash's error facility */
+/* 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 CLIENT_ERRORS
-#define WAV_ERRORS
-#define COMPRESS_ERRORS
+#define WAV_FILTER_ERRORS
#define TIME_ERRORS
#define CLOSE_ON_FORK_ERRORS
#define DAEMON_ERRORS
-#define ORTP_SEND_ERRORS
+#define UDP_SEND_ERRORS
#define GUI_ERRORS
#define RINGBUFFER_ERRORS
#define SCORE_ERRORS
#define SHA1_ERRORS
+#define RBTREE_ERRORS
#define RECV_ERRORS
-#define AFH_COMMON_ERRORS
+#define STDOUT_ERRORS
+#define IPC_ERRORS
+#define DCCP_SEND_ERRORS
+#define HTTP_SEND_ERRORS
+#define GGO_ERRORS
+#define COLOR_ERRORS
+
extern const char **para_errlist[];
+#define COMPRESS_FILTER_ERRORS \
+ PARA_ERROR(COMPRESS_SYNTAX, "syntax error in compress filter config"), \
+
+
+#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(ALREADY_MAPPED, "file already mapped"), \
PARA_ERROR(BAD_SIZE, "invalid size specified"), \
PARA_ERROR(TRUNC, "failed to truncate file"), \
- PARA_ERROR(UNLINK, "failed to remove file"), \
PARA_ERROR(BAD_TABLE, "table not open"), \
PARA_ERROR(BAD_TABLE_DESC, "invalid table description"), \
PARA_ERROR(RB_KEY_EXISTS, "key already exists in rbtree"), \
PARA_ERROR(INDEX_CORRUPTION, "index corruption detected"), \
PARA_ERROR(INVALID_OBJECT, "reference to invalid object"), \
PARA_ERROR(STAT, "can not stat file"), \
- PARA_ERROR(FSTAT, "fstat error"), \
- PARA_ERROR(RENAME, "rename failed"), \
PARA_ERROR(WRITE, "write error"), \
PARA_ERROR(LSEEK, "lseek error"), \
PARA_ERROR(BUSY, "table is busy"), \
PARA_ERROR(SHORT_TABLE, "table too short"), \
PARA_ERROR(NO_MAGIC, "missing table header magic"), \
- PARA_ERROR(VERSION_MISMATCH, "table version not suppoerted"), \
+ PARA_ERROR(VERSION_MISMATCH, "table version not supported"), \
PARA_ERROR(BAD_COLUMN_NUM, "invalid column number"), \
PARA_ERROR(BAD_TABLE_FLAGS, "invalid flags in table description"), \
PARA_ERROR(BAD_ROW, "invalid row"), \
-#define RBTREE_ERRORS \
-
#define AFS_ERRORS \
PARA_ERROR(BAD_TABLE_NAME, "invalid table"), \
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_PARENT_DIED, "fatal: server process terminated"), \
PARA_ERROR(AFS_SHORT_READ, "short read from afs socket"), \
#define MOOD_ERRORS \
PARA_ERROR(MOOD_SYNTAX, "mood syntax error"), \
PARA_ERROR(NO_MOOD, "no mood available"), \
- PARA_ERROR(MOOD_LOADED, "mood loaded"), \
- PARA_ERROR(NOT_ADMISSIBLE, "file is not admussible"), \
+ 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"), \
- PARA_ERROR(DUMMY_ROW, "attempted to access blob dummy object"), \
#define PLAYLIST_ERRORS \
- PARA_ERROR(NO_PLAYLIST, "no valid playlist found"), \
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, "invaid afs info"), \
+ 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(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"), \
- PARA_ERROR(INPUT_EOF, "end of input"), \
- PARA_ERROR(HANDSHAKE_COMPLETE, ""), /* not really an error */ \
#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_READ, "failed to read from stdin"), \
PARA_ERROR(STDIN_EOF, "end of file"), \
-#define STDOUT_ERRORS \
- PARA_ERROR(STDOUT_WRITE, "failed to write to stdout"), \
- PARA_ERROR(STDOUT_EOF, "end of file"), \
-
#define NET_ERRORS \
- PARA_ERROR(CONNECT, "connect 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(RECV_PATTERN, "did not receive expected pattern"), \
-#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"), \
- PARA_ERROR(ORTP_RECV_EOF, "ortp_recv: end of file"), \
+#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(HTTP_RECV_EOF, "http_recv: end of file"), \
- PARA_ERROR(HTTP_RECV_OVERRUN, "http_recv: outout buffer overrun"), \
+ 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(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(SIGNAL_CAUGHT, "caught signal"), \
+ 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(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"), \
PARA_ERROR(UNKNOWN_STAT_ITEM, "status item not recognized"), \
-#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(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 \
#define SIGNAL_ERRORS \
- PARA_ERROR(SIGNAL_SIG_ERR, "signal() retured SIG_ERR"), \
- PARA_ERROR(SIGNAL_READ, "read error from signal pipe"), \
+ PARA_ERROR(SIGNAL_SIG_ERR, "signal() returned SIG_ERR"), \
#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"), \
#define EXEC_ERRORS \
PARA_ERROR(DUP_PIPE, "exec error: can not create pipe"), \
- PARA_ERROR(NULL_OPEN, "can not open /dev/null"), \
#define MP3_AFH_ERRORS \
#define VSS_ERRORS \
- PARA_ERROR(BAD_AUDIO_FILE_SUFFIX, "unknown suffix"), \
- PARA_ERROR(AUDIO_FORMAT, "audio format not recognized"), \
- PARA_ERROR(CHUNK, "unable to get chunk"), \
- PARA_ERROR(SHORT_AFS_READ, "short read from afs socket"), \
PARA_ERROR(NOFD, "did not receive open fd from afs"), \
PARA_ERROR(CHALLENGE, "failed to read challenge"), \
-#define HTTP_SEND_ERRORS \
- PARA_ERROR(WRITE_OK, "can not check whether fd is writable"), \
- PARA_ERROR(SEND_QUEUED_CHUNK, "failed to send queued chunk"), \
-
-
#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(NO_AUDIO_FILE, "no audio file"), \
PARA_ERROR(BAD_CMD, "invalid command"), \
PARA_ERROR(PERM, "permission denied"), \
PARA_ERROR(BAD_USER, "you don't exist. Go away."), \
-#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"), \
-
-
#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"), \
- PARA_ERROR(DCCP_RECV_EOF, "dccp_recv: end of file"), \
-
-
-#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(FGETS, "fgets error"), \
- PARA_ERROR(CHDIR, "failed to change directory"), \
- PARA_ERROR(OPEN, "failed to open file"), \
- PARA_ERROR(CHDIR_PERM, "insufficient permissions to chdir"), \
- PARA_ERROR(EMPTY, "file empty"), \
- PARA_ERROR(MMAP, "mmap error"), \
- PARA_ERROR(MUNMAP, "munmap failed"), \
#define WRITE_ERRORS \
PARA_ERROR(WRITE_SYNTAX, "para_write syntax error"), \
- 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(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"), \
#define WRITE_COMMON_ERRORS \
PARA_ERROR(WRITE_COMMON_SYNTAX, "syntax error in write option"), \
- PARA_ERROR(WNG_EOF, "wng: end of file"), \
-#define AACDEC_ERRORS \
+#define AACDEC_FILTER_ERRORS \
PARA_ERROR(AACDEC_INIT, "failed to init aac decoder"), \
PARA_ERROR(AAC_DECODE, "aac decode error"), \
PARA_ERROR(AAC_OVERRUN, "aac output buffer overrun"), \
#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.
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
+/** Check whether the system error bit is set. */
#define IS_SYSTEM_ERROR(num) (!!((num) & (1 << SYSTEM_ERROR_BIT)))
+/** Set the system error bit for the given number. */
#define ERRNO_TO_PARA_ERROR(num) ((num) | (1 << SYSTEM_ERROR_BIT))
-static inline int is_errno(int val, int _errno)
+/** Check whether a given number is a system error number.
+ *
+ * \param num The value to be checked.
+ * \param _errno The system error number.
+ *
+ * \return True if \a num is paraslash's representation of the system
+ * error identified by \a _errno.
+ */
+_static_inline_ int is_errno(int num, int _errno)
{
- assert(val > 0 && _errno > 0);
- return ERRNO_TO_PARA_ERROR(_errno) == val;
+ assert(num > 0 && _errno > 0);
+ return ERRNO_TO_PARA_ERROR(_errno) == num;
}
/**
- * paraslash's version of strerror(3)
+ * Paraslash's version of strerror(3).
+ *
+ * \param num The error number.
*
- * expands to the error text of \a num (a string constant).
+ * \return The error text of \a num.
*/
-#define PARA_STRERROR(num) IS_SYSTEM_ERROR(num)? \
- strerror((num) & ((1 << SYSTEM_ERROR_BIT) - 1)) : \
- para_errlist[ERRNUM_TO_SS(num)] [ERRNUM_TO_INDEX(num)]
-
+_static_inline_ const char *para_strerror(int num)
+{
+ assert(num > 0);
+ if (IS_SYSTEM_ERROR(num))
+ return strerror((num) & ((1 << SYSTEM_ERROR_BIT) - 1));
+ else
+ return para_errlist[ERRNUM_TO_SS(num)][ERRNUM_TO_INDEX(num)];
+}
/**
- * define the error list for one subsystem
+ * 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)
+ * Used by macros in config.h (generated by configure).
*/
#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 space for NUM_SS char ** pointers,
+ * 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_ERROR(err, msg) E_ ## err
#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
projects / paraslash.git / blobdiff