From 40632a90a4121008cd4f9f312df8569daa92370a Mon Sep 17 00:00:00 2001 From: jongfoster Date: Mon, 28 May 2001 16:15:17 +0000 Subject: [PATCH] Improved reporting of errors under Win32. --- errlog.c | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 101 insertions(+), 3 deletions(-) diff --git a/errlog.c b/errlog.c index c873c73e..1c4aee4b 100644 --- a/errlog.c +++ b/errlog.c @@ -1,4 +1,4 @@ -const char errlog_rcs[] = "$Id: errlog.c,v 1.7 2001/05/26 15:21:28 jongfoster Exp $"; +const char errlog_rcs[] = "$Id: errlog.c,v 1.8 2001/05/26 17:25:14 jongfoster Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/errlog.c,v $ @@ -33,6 +33,9 @@ const char errlog_rcs[] = "$Id: errlog.c,v 1.7 2001/05/26 15:21:28 jongfoster Ex * * Revisions : * $Log: errlog.c,v $ + * Revision 1.8 2001/05/26 17:25:14 jongfoster + * Added support for CLF (Common Log Format) and fixed LOG_LEVEL_LOG + * * Revision 1.7 2001/05/26 15:21:28 jongfoster * Activity animation in Win32 GUI now works even if debug==0 * @@ -145,7 +148,9 @@ static char * logfilename = NULL; /* logging detail level. */ static int debug = (LOG_LEVEL_FATAL | LOG_LEVEL_ERROR | LOG_LEVEL_INFO); +/* static functions */ static void fatal_error(const char * error_message); +static char * w32_socket_strerr(int errcode, char * tmp_buf); /********************************************************************* @@ -461,17 +466,22 @@ void log_error(int loglevel, char *fmt, ...) break; case 'E': /* Non-standard: Print error code from errno */ - ival = errno; +#ifdef _WIN32 + ival = WSAGetLastError(); + sval = w32_socket_strerr(ival, tempbuf); +#else /* ifndef _WIN32 */ + ival = errno; #ifndef NOSTRERROR sval = strerror(ival); #else /* def NOSTRERROR */ - sval = NULL + sval = NULL; #endif /* def NOSTRERROR */ if (sval == NULL) { sprintf(tempbuf, "(errno = %d)", ival); sval = tempbuf; } +#endif /* ndef _WIN32 */ oldoutc = outc; outc += strlen(sval); if (outc < BUFSIZ-1) @@ -589,6 +599,94 @@ void log_error(int loglevel, char *fmt, ...) } +/********************************************************************* + * + * Function : w32_socket_strerr + * + * Description : Translate the return value from WSAGetLastError() + * into a string. + * + * Parameters : + * 1 : errcode = The return value from WSAGetLastError(). + * 2 : tmp_buf = A temporary buffer that might be used to + * store the string. + * + * Returns : String representing the error code. This may be + * a global string constant or a string stored in + * tmp_buf. + * + *********************************************************************/ +static char * w32_socket_strerr(int errcode, char * tmp_buf) +{ +#define TEXT_FOR_ERROR(code,text) \ + if (errcode == code) \ + { \ + return #code " - " text; \ + } + + TEXT_FOR_ERROR(WSAEACCES, "Permission denied") + TEXT_FOR_ERROR(WSAEADDRINUSE, "Address already in use.") + TEXT_FOR_ERROR(WSAEADDRNOTAVAIL, "Cannot assign requested address."); + TEXT_FOR_ERROR(WSAEAFNOSUPPORT, "Address family not supported by protocol family."); + TEXT_FOR_ERROR(WSAEALREADY, "Operation already in progress."); + TEXT_FOR_ERROR(WSAECONNABORTED, "Software caused connection abort."); + TEXT_FOR_ERROR(WSAECONNREFUSED, "Connection refused."); + TEXT_FOR_ERROR(WSAECONNRESET, "Connection reset by peer."); + TEXT_FOR_ERROR(WSAEDESTADDRREQ, "Destination address required."); + TEXT_FOR_ERROR(WSAEFAULT, "Bad address."); + TEXT_FOR_ERROR(WSAEHOSTDOWN, "Host is down."); + TEXT_FOR_ERROR(WSAEHOSTUNREACH, "No route to host."); + TEXT_FOR_ERROR(WSAEINPROGRESS, "Operation now in progress."); + TEXT_FOR_ERROR(WSAEINTR, "Interrupted function call."); + TEXT_FOR_ERROR(WSAEINVAL, "Invalid argument."); + TEXT_FOR_ERROR(WSAEISCONN, "Socket is already connected."); + TEXT_FOR_ERROR(WSAEMFILE, "Too many open sockets."); + TEXT_FOR_ERROR(WSAEMSGSIZE, "Message too long."); + TEXT_FOR_ERROR(WSAENETDOWN, "Network is down."); + TEXT_FOR_ERROR(WSAENETRESET, "Network dropped connection on reset."); + TEXT_FOR_ERROR(WSAENETUNREACH, "Network is unreachable."); + TEXT_FOR_ERROR(WSAENOBUFS, "No buffer space available."); + TEXT_FOR_ERROR(WSAENOPROTOOPT, "Bad protocol option."); + TEXT_FOR_ERROR(WSAENOTCONN, "Socket is not connected."); + TEXT_FOR_ERROR(WSAENOTSOCK, "Socket operation on non-socket."); + TEXT_FOR_ERROR(WSAEOPNOTSUPP, "Operation not supported."); + TEXT_FOR_ERROR(WSAEPFNOSUPPORT, "Protocol family not supported."); + TEXT_FOR_ERROR(WSAEPROCLIM, "Too many processes."); + TEXT_FOR_ERROR(WSAEPROTONOSUPPORT, "Protocol not supported."); + TEXT_FOR_ERROR(WSAEPROTOTYPE, "Protocol wrong type for socket."); + TEXT_FOR_ERROR(WSAESHUTDOWN, "Cannot send after socket shutdown."); + TEXT_FOR_ERROR(WSAESOCKTNOSUPPORT, "Socket type not supported."); + TEXT_FOR_ERROR(WSAETIMEDOUT, "Connection timed out."); + TEXT_FOR_ERROR(WSAEWOULDBLOCK, "Resource temporarily unavailable."); + TEXT_FOR_ERROR(WSAHOST_NOT_FOUND, "Host not found."); + TEXT_FOR_ERROR(WSANOTINITIALISED, "Successful WSAStartup not yet performed."); + TEXT_FOR_ERROR(WSANO_DATA, "Valid name, no data record of requested type."); + TEXT_FOR_ERROR(WSANO_RECOVERY, "This is a non-recoverable error."); + TEXT_FOR_ERROR(WSASYSNOTREADY, "Network subsystem is unavailable."); + TEXT_FOR_ERROR(WSATRY_AGAIN, "Non-authoritative host not found."); + TEXT_FOR_ERROR(WSAVERNOTSUPPORTED, "WINSOCK.DLL version out of range."); + TEXT_FOR_ERROR(WSAEDISCON, "Graceful shutdown in progress."); + /* + * The following error codes are documented in the Microsoft WinSock + * reference guide, but don't actually exist. + * + * TEXT_FOR_ERROR(WSA_INVALID_HANDLE, "Specified event object handle is invalid."); + * TEXT_FOR_ERROR(WSA_INVALID_PARAMETER, "One or more parameters are invalid."); + * TEXT_FOR_ERROR(WSAINVALIDPROCTABLE, "Invalid procedure table from service provider."); + * TEXT_FOR_ERROR(WSAINVALIDPROVIDER, "Invalid service provider version number."); + * TEXT_FOR_ERROR(WSA_IO_PENDING, "Overlapped operations will complete later."); + * TEXT_FOR_ERROR(WSA_IO_INCOMPLETE, "Overlapped I/O event object not in signaled state."); + * TEXT_FOR_ERROR(WSA_NOT_ENOUGH_MEMORY, "Insufficient memory available."); + * TEXT_FOR_ERROR(WSAPROVIDERFAILEDINIT, "Unable to initialize a service provider."); + * TEXT_FOR_ERROR(WSASYSCALLFAILURE, "System call failure."); + * TEXT_FOR_ERROR(WSA_OPERATION_ABORTED, "Overlapped operation aborted."); + */ + + sprintf(tmp_buf, "(error number %d)", errcode); + return tmp_buf; +} + + /* Local Variables: tab-width: 3 -- 2.39.2