Edit
IABSD.fr/xenocara/lib/libICE/src/error.c
matthieu
- lib/libICE/src/error.c
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/****************************************************************************** Copyright 1993, 1998 The Open Group Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 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 OPEN GROUP 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. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. Author: Ralph Mor, X Consortium ******************************************************************************/ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <X11/ICE/ICElib.h> #include "ICElibint.h" #include <stdio.h> #include <unistd.h> #include <errno.h> void _IceErrorBadMinor ( IceConn iceConn, int majorOpcode, int offendingMinor, int severity ) { IceErrorHeader (iceConn, majorOpcode, offendingMinor, iceConn->receive_sequence, severity, IceBadMinor, 0); IceFlush (iceConn); } void _IceErrorBadState ( IceConn iceConn, int majorOpcode, int offendingMinor, int severity ) { IceErrorHeader (iceConn, majorOpcode, offendingMinor, iceConn->receive_sequence, severity, IceBadState, 0); IceFlush (iceConn); } void _IceErrorBadLength ( IceConn iceConn, int majorOpcode, int offendingMinor, int severity ) { IceErrorHeader (iceConn, majorOpcode, offendingMinor, iceConn->receive_sequence, severity, IceBadLength, 0); IceFlush (iceConn); } void _IceErrorBadValue ( IceConn iceConn, int majorOpcode, int offendingMinor, int offset, int length, /* in bytes */ IcePointer value ) { IceErrorHeader (iceConn, majorOpcode, offendingMinor, iceConn->receive_sequence, IceCanContinue, IceBadValue, WORD64COUNT (8 + length)); IceWriteData32 (iceConn, 4, &offset); IceWriteData32 (iceConn, 4, &length); IceWriteData (iceConn, length, (char *) value); if (PAD64 (length)) IceWritePad (iceConn, PAD64 (length)); IceFlush (iceConn); } void _IceErrorNoAuthentication ( IceConn iceConn, int offendingMinor ) { int severity = (offendingMinor == ICE_ConnectionSetup) ? IceFatalToConnection : IceFatalToProtocol; IceErrorHeader (iceConn, 0, offendingMinor, iceConn->receive_sequence, severity, IceNoAuth, 0); IceFlush (iceConn); } void _IceErrorNoVersion ( IceConn iceConn, int offendingMinor ) { int severity = (offendingMinor == ICE_ConnectionSetup) ? IceFatalToConnection : IceFatalToProtocol; IceErrorHeader (iceConn, 0, offendingMinor, iceConn->receive_sequence, severity, IceNoVersion, 0); IceFlush (iceConn); } void _IceErrorSetupFailed ( IceConn iceConn, int offendingMinor, const char *reason ) { char *pBuf, *pStart; int bytes; int severity = (offendingMinor == ICE_ConnectionSetup) ? IceFatalToConnection : IceFatalToProtocol; if (!reason) reason = ""; bytes = STRING_BYTES (reason); IceErrorHeader (iceConn, 0, offendingMinor, iceConn->receive_sequence, severity, IceSetupFailed, WORD64COUNT (bytes)); pBuf = pStart = IceAllocScratch (iceConn, PADDED_BYTES64 (bytes)); if (pStart != NULL) { STORE_STRING (pBuf, reason); IceWriteData (iceConn, PADDED_BYTES64 (bytes), pStart); } IceFlush (iceConn); } void _IceErrorAuthenticationRejected ( IceConn iceConn, int offendingMinor, const char *reason ) { char *pBuf, *pStart; int bytes; if (!reason) reason = ""; bytes = STRING_BYTES (reason); IceErrorHeader (iceConn, 0, offendingMinor, iceConn->receive_sequence, IceFatalToProtocol, IceAuthRejected, WORD64COUNT (bytes)); pBuf = pStart = IceAllocScratch (iceConn, PADDED_BYTES64 (bytes)); if (pStart != NULL) { STORE_STRING (pBuf, reason); IceWriteData (iceConn, PADDED_BYTES64 (bytes), pStart); } IceFlush (iceConn); } void _IceErrorAuthenticationFailed ( IceConn iceConn, int offendingMinor, const char *reason ) { char *pBuf, *pStart; int bytes; if (!reason) reason = ""; bytes = STRING_BYTES (reason); IceErrorHeader (iceConn, 0, offendingMinor, iceConn->receive_sequence, IceFatalToProtocol, IceAuthFailed, WORD64COUNT (bytes)); pBuf = pStart = IceAllocScratch (iceConn, PADDED_BYTES64 (bytes)); if (pStart != NULL) { STORE_STRING (pBuf, reason); IceWriteData (iceConn, PADDED_BYTES64 (bytes), pStart); } IceFlush (iceConn); } void _IceErrorProtocolDuplicate ( IceConn iceConn, const char *protocolName ) { char *pBuf, *pStart; int bytes; if (!protocolName) protocolName = ""; bytes = STRING_BYTES (protocolName); IceErrorHeader (iceConn, 0, ICE_ProtocolSetup, iceConn->receive_sequence, IceFatalToProtocol, IceProtocolDuplicate, WORD64COUNT (bytes)); pBuf = pStart = IceAllocScratch (iceConn, PADDED_BYTES64 (bytes)); if (pStart != NULL) { STORE_STRING (pBuf, protocolName); IceWriteData (iceConn, PADDED_BYTES64 (bytes), pStart); } IceFlush (iceConn); } void _IceErrorMajorOpcodeDuplicate ( IceConn iceConn, int majorOpcode ) { char mOp[8] = { (char) majorOpcode }; IceErrorHeader (iceConn, 0, ICE_ProtocolSetup, iceConn->receive_sequence, IceFatalToProtocol, IceMajorOpcodeDuplicate, 1 /* length */); IceWriteData (iceConn, 8, mOp); IceFlush (iceConn); } void _IceErrorUnknownProtocol ( IceConn iceConn, const char *protocolName ) { char *pBuf, *pStart; int bytes; if (!protocolName) protocolName = ""; bytes = STRING_BYTES (protocolName); IceErrorHeader (iceConn, 0, ICE_ProtocolSetup, iceConn->receive_sequence, IceFatalToProtocol, IceUnknownProtocol, WORD64COUNT (bytes)); pBuf = pStart = IceAllocScratch (iceConn, PADDED_BYTES64 (bytes)); if (pStart != NULL) { STORE_STRING (pBuf, protocolName); IceWriteData (iceConn, PADDED_BYTES64 (bytes), pStart); } IceFlush (iceConn); } void _IceErrorBadMajor ( IceConn iceConn, int offendingMajor, int offendingMinor, int severity ) { char maj[8] = { (char) offendingMajor }; IceErrorHeader (iceConn, 0, offendingMinor, iceConn->receive_sequence, severity, IceBadMajor, 1 /* length */); IceWriteData (iceConn, 8, maj); IceFlush (iceConn); } /* * Default error handler. */ static void _IceDefaultErrorHandler ( IceConn iceConn, Bool swap, int offendingMinorOpcode, unsigned long offendingSequence, int errorClass, int severity, IcePointer values ) { const char *str; char *estr; char *pData = (char *) values; switch (offendingMinorOpcode) { case ICE_ConnectionSetup: str = "ConnectionSetup"; break; case ICE_AuthRequired: str = "AuthRequired"; break; case ICE_AuthReply: str = "AuthReply"; break; case ICE_AuthNextPhase: str = "AuthNextPhase"; break; case ICE_ConnectionReply: str = "ConnectionReply"; break; case ICE_ProtocolSetup: str = "ProtocolSetup"; break; case ICE_ProtocolReply: str = "ProtocolReply"; break; case ICE_Ping: str = "Ping"; break; case ICE_PingReply: str = "PingReply"; break; case ICE_WantToClose: str = "WantToClose"; break; case ICE_NoClose: str = "NoClose"; break; default: str = ""; } fprintf (stderr, "\n"); fprintf (stderr, "ICE error: Offending minor opcode = %d (%s)\n", offendingMinorOpcode, str); fprintf (stderr, " Offending sequence number = %lu\n", offendingSequence); switch (errorClass) { case IceBadMinor: str = "BadMinor"; break; case IceBadState: str = "BadState"; break; case IceBadLength: str = "BadLength"; break; case IceBadValue: str = "BadValue"; break; case IceBadMajor: str = "BadMajor"; break; case IceNoAuth: str = "NoAuthentication"; break; case IceNoVersion: str = "NoVersion"; break; case IceSetupFailed: str = "SetupFailed"; break; case IceAuthRejected: str = "AuthenticationRejected"; break; case IceAuthFailed: str = "AuthenticationFailed"; break; case IceProtocolDuplicate: str = "ProtocolDuplicate"; break; case IceMajorOpcodeDuplicate: str = "MajorOpcodeDuplicate"; break; case IceUnknownProtocol: str = "UnknownProtocol"; break; default: str = "???"; } fprintf (stderr, " Error class = %s\n", str); if (severity == IceCanContinue) str = "CanContinue"; else if (severity == IceFatalToProtocol) str = "FatalToProtocol"; else if (severity == IceFatalToConnection) str = "FatalToConnection"; else str = "???"; fprintf (stderr, " Severity = %s\n", str); switch (errorClass) { case IceBadValue: { int offset, length, val; EXTRACT_CARD32 (pData, swap, offset); EXTRACT_CARD32 (pData, swap, length); fprintf (stderr, " BadValue Offset = %d\n", offset); fprintf (stderr, " BadValue Length = %d\n", length); if (length <= 4) { if (length == 1) val = (int) *pData; else if (length == 2) { EXTRACT_CARD16 (pData, swap, val); } else { EXTRACT_CARD32 (pData, swap, val); } fprintf (stderr, " BadValue = %d\n", val); } break; } case IceBadMajor: fprintf (stderr, "Major opcode : %d\n", (int) *pData); break; case IceSetupFailed: EXTRACT_STRING (pData, swap, estr); fprintf (stderr, "Reason : %s\n", estr); free(estr); break; case IceAuthRejected: EXTRACT_STRING (pData, swap, estr); fprintf (stderr, "Reason : %s\n", estr); free(estr); break; case IceAuthFailed: EXTRACT_STRING (pData, swap, estr); fprintf (stderr, "Reason : %s\n", estr); free(estr); break; case IceProtocolDuplicate: EXTRACT_STRING (pData, swap, estr); fprintf (stderr, "Protocol name : %s\n", estr); free(estr); break; case IceMajorOpcodeDuplicate: fprintf (stderr, "Major opcode : %d\n", (int) *pData); break; case IceUnknownProtocol: EXTRACT_STRING (pData, swap, estr); fprintf (stderr, "Protocol name : %s\n", estr); free(estr); break; default: break; } fprintf (stderr, "\n"); if (severity != IceCanContinue) exit (1); } IceErrorHandler _IceErrorHandler = _IceDefaultErrorHandler; /* * This procedure sets the ICE error handler to be the specified * routine. If NULL is passed in the default error handler is restored. * The function's return value is the previous error handler. */ IceErrorHandler IceSetErrorHandler ( IceErrorHandler handler ) { IceErrorHandler oldHandler = _IceErrorHandler; if (handler != NULL) _IceErrorHandler = handler; else _IceErrorHandler = _IceDefaultErrorHandler; return (oldHandler); } /* * Default IO error handler. */ static void _IceDefaultIOErrorHandler ( IceConn iceConn ) { fprintf (stderr, "ICE default IO error handler doing an exit(), pid = %ld, errno = %d\n", (long)getpid(), errno); exit (1); } IceIOErrorHandler _IceIOErrorHandler = _IceDefaultIOErrorHandler; /* * This procedure sets the ICE fatal I/O error handler to be the * specified routine. If NULL is passed in the default error * handler is restored. The function's return value is the * previous error handler. */ IceIOErrorHandler IceSetIOErrorHandler ( IceIOErrorHandler handler ) { IceIOErrorHandler oldHandler = _IceIOErrorHandler; if (handler != NULL) _IceIOErrorHandler = handler; else _IceIOErrorHandler = _IceDefaultIOErrorHandler; return (oldHandler); }