/*--------------------------------------------------------------- * Copyright (c) 1999,2000,2001,2002,2003 * The Board of Trustees of the University of Illinois * All Rights Reserved. *--------------------------------------------------------------- * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software (Iperf) and associated * documentation files (the "Software"), to deal in the Software * without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, * sublicense, and/or sell copies of the Software, and to permit * persons to whom the Software is furnished to do * so, subject to the following conditions: * * * Redistributions of source code must retain the above * copyright notice, this list of conditions and * the following disclaimers. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimers in the documentation and/or other materials * provided with the distribution. * * * Neither the names of the University of Illinois, NCSA, * nor the names of its contributors may be used to endorse * or promote products derived from this Software without * specific prior written permission. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * ________________________________________________________________ * National Laboratory for Applied Network Research * National Center for Supercomputing Applications * University of Illinois at Urbana-Champaign * http://www.ncsa.uiuc.edu * ________________________________________________________________ * * error.c * by Mark Gates * ------------------------------------------------------------------- * error handlers * ------------------------------------------------------------------- */ #include "headers.h" #include "util.h" #ifdef __cplusplus extern "C" { #endif #ifdef WIN32 /* ------------------------------------------------------------------- * Implement a simple Win32 strerror function for our purposes. * These error values weren't handled by FormatMessage; * any particular reason why not?? * ------------------------------------------------------------------- */ struct mesg { DWORD err; const char* str; }; const struct mesg error_mesgs[] = { { WSAEACCES, "Permission denied"}, { WSAEADDRINUSE, "Address already in use"}, { WSAEADDRNOTAVAIL, "Cannot assign requested address"}, { WSAEAFNOSUPPORT, "Address family not supported by protocol family"}, { WSAEALREADY, "Operation already in progress"}, { WSAECONNABORTED, "Software caused connection abort"}, { WSAECONNREFUSED, "Connection refused"}, { WSAECONNRESET, "Connection reset by peer"}, { WSAEDESTADDRREQ, "Destination address required"}, { WSAEFAULT, "Bad address"}, { WSAEHOSTDOWN, "Host is down"}, { WSAEHOSTUNREACH, "No route to host"}, { WSAEINPROGRESS, "Operation now in progress"}, { WSAEINTR, "Interrupted function call."}, { WSAEINVAL, "Invalid argument."}, { WSAEISCONN, "Socket is already connected."}, { WSAEMFILE, "Too many open files."}, { WSAEMSGSIZE, "Message too long"}, { WSAENETDOWN, "Network is down"}, { WSAENETRESET, "Network dropped connection on reset"}, { WSAENETUNREACH, "Network is unreachable"}, { WSAENOBUFS, "No buffer space available."}, { WSAENOPROTOOPT, "Bad protocol option."}, { WSAENOTCONN, "Socket is not connected"}, { WSAENOTSOCK, "Socket operation on non-socket."}, { WSAEOPNOTSUPP, "Operation not supported"}, { WSAEPFNOSUPPORT, "Protocol family not supported"}, { WSAEPROCLIM, "Too many processes."}, { WSAEPROTONOSUPPORT, "Protocol not supported"}, { WSAEPROTOTYPE, "Protocol wrong type for socket"}, { WSAESHUTDOWN, "Cannot send after socket shutdown"}, { WSAESOCKTNOSUPPORT, "Socket type not supported."}, { WSAETIMEDOUT, "Connection timed out."}, { WSATYPE_NOT_FOUND, "Class type not found."}, { WSAEWOULDBLOCK, "Resource temporarily unavailable"}, { WSAHOST_NOT_FOUND, "Host not found."}, { WSA_INVALID_HANDLE, "Specified event object handle is invalid."}, { WSA_INVALID_PARAMETER, "One or more parameters are invalid."}, { WSA_IO_INCOMPLETE, "Overlapped I/O event object not in signaled state."}, { WSA_IO_PENDING, "Overlapped operations will complete later."}, { WSA_NOT_ENOUGH_MEMORY, "Insufficient memory available."}, { WSANOTINITIALISED, "Successful WSAStartup not yet performed."}, { WSANO_DATA, "Valid name, no data record of requested type."}, { WSANO_RECOVERY, "This is a non-recoverable error."}, { WSASYSCALLFAILURE, "System call failure."}, { WSASYSNOTREADY, "Network subsystem is unavailable."}, { WSATRY_AGAIN, "Non-authoritative host not found."}, { WSAVERNOTSUPPORTED, "WINSOCK.DLL version out of range."}, { WSAEDISCON, "Graceful shutdown in progress."}, { WSA_OPERATION_ABORTED, "Overlapped operation aborted."}, { 0, "No error."} /* These appeared in the documentation, but didn't compile. * { WSAINVALIDPROCTABLE, "Invalid procedure table from service provider." }, * { WSAINVALIDPROVIDER, "Invalid service provider version number." }, * { WSAPROVIDERFAILEDINIT, "Unable to initialize a service provider." }, */ }; /* end error_mesgs[] */ const char* winsock_strerror( DWORD inErrno ); /* ------------------------------------------------------------------- * winsock_strerror * * returns a string representing the error code. The error messages * were taken from Microsoft's online developer library. * ------------------------------------------------------------------- */ const char* winsock_strerror( DWORD inErrno ) { const char* str = "Unknown error"; int i; for ( i = 0; i < sizeof(error_mesgs); i++ ) { if ( error_mesgs[i].err == inErrno ) { str = error_mesgs[i].str; break; } } return str; } /* end winsock_strerror */ #endif /* WIN32 */ /* ------------------------------------------------------------------- * warn * * Prints message and return * ------------------------------------------------------------------- */ void warn( const char *inMessage, const char *inFile, int inLine ) { fflush( 0 ); #ifdef NDEBUG fprintf( stderr, "%s failed\n", inMessage ); #else /* while debugging output file/line number also */ fprintf( stderr, "%s failed (%s:%d)\n", inMessage, inFile, inLine ); #endif } /* end warn */ /* ------------------------------------------------------------------- * warn_errno * * Prints message and errno message, and return. * ------------------------------------------------------------------- */ void warn_errno( const char *inMessage, const char *inFile, int inLine ) { int my_err; const char* my_str; /* get platform's errno and error message */ #ifdef WIN32 my_err = WSAGetLastError(); my_str = winsock_strerror( my_err ); #else my_err = errno; my_str = strerror( my_err ); #endif fflush( 0 ); #ifdef NDEBUG fprintf( stderr, "%s failed: %s\n", inMessage, my_str ); #else /* while debugging output file/line number and errno value also */ fprintf( stderr, "%s failed (%s:%d): %s (%d)\n", inMessage, inFile, inLine, my_str, my_err ); #endif } /* end warn_errno */ #ifdef __cplusplus } /* end extern "C" */ #endif