* 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 error facility */
-enum para_subsystem {
- SS_CLIENT,
- SS_GUI,
- SS_TIME,
- SS_WAV,
- SS_COMPRESS,
- SS_CLOSE_ON_FORK,
- SS_DAEMON,
- SS_DCCP_SEND,
- SS_RINGBUFFER,
- SS_RECV,
- SS_NET,
- SS_ORTP_RECV,
- SS_CLIENT_COMMON,
- SS_AUDIOC,
- SS_SCHED,
- SS_AUDIOD,
- SS_AUDIOD_COMMAND,
- SS_EXEC,
- SS_STDIN,
- SS_STDOUT,
- SS_SIGNAL,
- SS_STRING,
- SS_STAT,
- SS_GRAB_CLIENT,
- SS_HTTP_RECV,
- SS_RECV_COMMON,
- SS_FILTER_CHAIN,
- SS_OGGDEC,
- SS_FILTER,
- SS_COMMAND,
- SS_RANDOM_SELECTOR,
- SS_PLAYLIST_SELECTOR,
- SS_CRYPT,
- SS_HTTP_SEND,
- SS_ORTP_SEND,
- SS_AFS_COMMON,
- SS_OGG_AFH,
- SS_MP3_AFH,
- SS_AAC_AFH,
- SS_MP3DEC,
- SS_AACDEC,
- SS_AAC_COMMON,
- SS_SERVER,
- SS_VSS,
- SS_MYSQL_SELECTOR,
- SS_IPC,
- SS_DCCP,
- SS_DCCP_RECV,
- SS_FD,
- SS_WRITE,
- SS_WRITE_COMMON,
- SS_ALSA_WRITE,
- SS_FILE_WRITE,
- SS_OSX_WRITE,
- SS_USER_LIST,
- SS_CHUNK_QUEUE,
- SS_AFS,
- SS_OSL,
- SS_AFT,
- SS_MOOD,
- SS_SCORE,
- SS_ATTRIBUTE,
- SS_BLOB,
- SS_PLAYLIST,
- SS_SHA1,
- SS_RBTREE,
- SS_FSCK,
- NUM_SS
-};
+/** \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 RINGBUFFER_ERRORS
#define SCORE_ERRORS
#define SHA1_ERRORS
+#define RECV_ERRORS
+#define AFH_COMMON_ERRORS
+#define RBTREE_ERRORS
+
extern const char **para_errlist[];
-/** \endcond */
#define FSCK_ERRORS \
PARA_ERROR(FSCK_SYNTAX, "fsck syntax error"), \
PARA_ERROR(BAD_SIZE, "invalid size specified"), \
PARA_ERROR(TRUNC, "failed to truncate file"), \
PARA_ERROR(UNLINK, "failed to remove file"), \
- PARA_ERROR(NOTDIR, "error: not a directory"), \
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(STAT, "can not stat file"), \
PARA_ERROR(FSTAT, "fstat error"), \
PARA_ERROR(RENAME, "rename failed"), \
- PARA_ERROR(EMPTY, "file empty"), \
- PARA_ERROR(MMAP, "mmap error"), \
- PARA_ERROR(MUNMAP, "munmap 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(INPUT_TOO_LARGE, "input too large for stdin command"), \
- PARA_ERROR(READ, "read error"), \
- PARA_ERROR(ATOL, "failed to convert to long"), \
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(MOOD_REGEX, "invalid regular expression"), \
PARA_ERROR(NO_MOOD, "no mood available"), \
PARA_ERROR(MOOD_LOADED, "mood loaded"), \
- PARA_ERROR(MOOD_BUSY, "mood is in use"), \
- PARA_ERROR(NOT_ADMISSIBLE, "file is not admussible"), \
+ PARA_ERROR(NOT_ADMISSIBLE, "file is not admissible"), \
#define ATTRIBUTE_ERRORS \
PARA_ERROR(ATTR_SYNTAX, "attribute syntax error"), \
- PARA_ERROR(ATTR_EXISTS, "attribute already exists"), \
- PARA_ERROR(ATTR_TABLE_FULL, "attribute table full"), \
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_SYNTAX, "playlist syntax error"), \
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_SYNTAX, "audioc syntax error"), \
PARA_ERROR(AUDIOC_READ, "audioc read error"), \
PARA_ERROR(AUDIOC_WRITE, "audioc write error"), \
- PARA_ERROR(INIT_SOCK_ADDR, "can not init socket"), \
- PARA_ERROR(AUDIOC_CONNECT, "audioc connect 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"), \
#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(ORTP_SYNTAX, "ortp 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(OVERRUN, "output buffer overrun"), \
PARA_ERROR(ORTP_RECV_EOF, "ortp_recv: end of file"), \
#define HTTP_RECV_ERRORS \
PARA_ERROR(HTTP_RECV_EOF, "http_recv: end of file"), \
- PARA_ERROR(HTTP_RECV_OVERRUN, "http_recv: outout buffer overrun"), \
-
-
-#define RECV_ERRORS \
- PARA_ERROR(RECV_SYNTAX, "recv syntax error"), \
+ PARA_ERROR(HTTP_RECV_OVERRUN, "http_recv: output buffer overrun"), \
#define RECV_COMMON_ERRORS \
+ PARA_ERROR(RECV_SYNTAX, "recv syntax error"), \
#define AUDIOD_ERRORS \
#define SIGNAL_ERRORS \
- PARA_ERROR(SIGNAL_SIG_ERR, "signal() retured SIG_ERR"), \
+ PARA_ERROR(SIGNAL_SIG_ERR, "signal() returned 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"), \
#define EXEC_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"), \
-
-
-#define AFS_COMMON_ERRORS \
- PARA_ERROR(GETCWD, "can not get current working directory"), \
- PARA_ERROR(LSTAT, "lstat error"), \
+ PARA_ERROR(SHORT_AFS_READ, "short read from afs socket"), \
+ PARA_ERROR(NOFD, "did not receive open fd from afs"), \
#define CRYPT_ERRORS \
PARA_ERROR(SEND_QUEUED_CHUNK, "failed to send queued chunk"), \
-#define RANDOM_SELECTOR_ERRORS \
- 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_USER, "you don't exist. Go away."), \
-#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"), \
#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(F_GETFL, "failed to get fd flags"), \
- PARA_ERROR(F_SETFL, "failed to set fd flags"), \
PARA_ERROR(FGETS, "fgets error"), \
- PARA_ERROR(EXIST, "file or directory already exists"), \
- PARA_ERROR(ISDIR, "error: is a directory"), \
- PARA_ERROR(NOENT, "no such file or directory"), \
- PARA_ERROR(OPEN_PERM, "open error (permission denied)"), \
- PARA_ERROR(MKDIR_PERM, "mkdir error (permission denied)"), \
- PARA_ERROR(MKDIR, "failed to create directory"), \
PARA_ERROR(CHDIR, "failed to change directory"), \
- PARA_ERROR(FCHDIR, "fchdir failed"), \
- PARA_ERROR(OPENDIR, "can not open directory"), \
- PARA_ERROR(NOSPC, "no space left on device"), \
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(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))
+#define SYSTEM_ERROR_BIT 30
+
+#define IS_SYSTEM_ERROR(num) (!!((num) & (1 << SYSTEM_ERROR_BIT)))
+
+#define ERRNO_TO_PARA_ERROR(num) ((num) | (1 << SYSTEM_ERROR_BIT))
+
+static inline int is_errno(int val, int _errno)
+{
+ assert(val > 0 && _errno > 0);
+ return ERRNO_TO_PARA_ERROR(_errno) == val;
+}
+
/**
- * paraslash's version of strerror(3)
+ * Paraslash's version of strerror(3).
*
- * expands to the error text of \a num (a string constant).
+ * Expands to the error text of \a num (a string constant).
*/
-#define PARA_STRERROR(num) para_errlist[ERRNUM_TO_SS(num)] [ERRNUM_TO_INDEX(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)]
/**
- * 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).
*/
* 'E_') and gets later redefined to expand to the error text only
*/
#define PARA_ERROR(err, msg) E_ ## err
-
-// #define SS_NAME(ss) para_errlist[ss]? para_errlist[ss][0] : ""
-
-/** \cond popcorn time */
-SS_ENUM(GUI);
-SS_ENUM(SCHED);
-SS_ENUM(STDIN);
-SS_ENUM(STDOUT);
-SS_ENUM(WAV);
-SS_ENUM(COMPRESS);
-SS_ENUM(TIME);
-SS_ENUM(CLOSE_ON_FORK);
-SS_ENUM(ORTP_RECV);
-SS_ENUM(NET);
-SS_ENUM(RECV);
-SS_ENUM(AUDIOD);
-SS_ENUM(AUDIOD_COMMAND);
-SS_ENUM(EXEC);
-SS_ENUM(SIGNAL);
-SS_ENUM(STRING);
-SS_ENUM(DAEMON);
-SS_ENUM(STAT);
-SS_ENUM(GRAB_CLIENT);
-SS_ENUM(HTTP_RECV);
-SS_ENUM(RECV_COMMON);
-SS_ENUM(FILTER_CHAIN);
-SS_ENUM(OGGDEC);
-SS_ENUM(MP3DEC);
-SS_ENUM(AACDEC);
-SS_ENUM(FILTER);
-SS_ENUM(MP3_AFH);
-SS_ENUM(OGG_AFH);
-SS_ENUM(AAC_AFH);
-SS_ENUM(AAC_COMMON);
-SS_ENUM(SERVER);
-SS_ENUM(VSS);
-SS_ENUM(COMMAND);
-SS_ENUM(RANDOM_SELECTOR);
-SS_ENUM(PLAYLIST_SELECTOR);
-SS_ENUM(CRYPT);
-SS_ENUM(HTTP_SEND);
-SS_ENUM(ORTP_SEND);
-SS_ENUM(AFS_COMMON);
-SS_ENUM(MYSQL_SELECTOR);
-SS_ENUM(IPC);
-SS_ENUM(DCCP);
-SS_ENUM(DCCP_RECV);
-SS_ENUM(DCCP_SEND);
-SS_ENUM(FD);
-SS_ENUM(WRITE);
-SS_ENUM(WRITE_COMMON);
-SS_ENUM(ALSA_WRITE);
-SS_ENUM(FILE_WRITE);
-SS_ENUM(OSX_WRITE);
-SS_ENUM(RINGBUFFER);
-SS_ENUM(CLIENT);
-SS_ENUM(CLIENT_COMMON);
-SS_ENUM(AUDIOC);
-SS_ENUM(USER_LIST);
-SS_ENUM(CHUNK_QUEUE);
-
-SS_ENUM(AFS);
-SS_ENUM(OSL);
-SS_ENUM(AFT);
-SS_ENUM(MOOD);
-SS_ENUM(SCORE);
-SS_ENUM(ATTRIBUTE);
-SS_ENUM(BLOB);
-SS_ENUM(PLAYLIST);
-SS_ENUM(SHA1);
-SS_ENUM(RBTREE);
-SS_ENUM(FSCK);
-/** \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
projects / paraslash.git / blobdiff