| /*--------------------------------------------------------------- |
| * 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 <mgates@nlanr.net> |
| * ------------------------------------------------------------------- |
| * 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 |
