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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */
/* */
/* NXCOMP, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of NoMachine S.r.l. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#include "FillPoly.h"
#include "ClientCache.h"
#include "EncodeBuffer.h"
#include "DecodeBuffer.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
//
// Here are the methods to handle messages' content.
//
int FillPolyStore::parseIdentity(Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const
{
FillPolyMessage *fillPoly = (FillPolyMessage *) message;
//
// Here is the fingerprint.
//
fillPoly -> drawable = GetULONG(buffer + 4, bigEndian);
fillPoly -> gcontext = GetULONG(buffer + 8, bigEndian);
fillPoly -> shape = *(buffer + 12);
fillPoly -> mode = *(buffer + 13);
if (control -> isProtoStep8() == 1 &&
size >= (unsigned int) dataOffset)
{
fillPoly -> x_origin = GetUINT(buffer + 16, bigEndian);
fillPoly -> y_origin = GetUINT(buffer + 18, bigEndian);
}
else
{
fillPoly -> x_origin = 0;
fillPoly -> y_origin = 0;
}
#ifdef DEBUG
*logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush;
#endif
return 1;
}
int FillPolyStore::unparseIdentity(const Message *message, unsigned char *buffer,
unsigned int size, int bigEndian) const
{
FillPolyMessage *fillPoly = (FillPolyMessage *) message;
//
// Fill all the message's fields.
//
PutULONG(fillPoly -> drawable, buffer + 4, bigEndian);
PutULONG(fillPoly -> gcontext, buffer + 8, bigEndian);
*(buffer + 12) = fillPoly -> shape;
*(buffer + 13) = fillPoly -> mode;
if (control -> isProtoStep8() == 1 &&
size >= (unsigned int) dataOffset)
{
PutUINT(fillPoly -> x_origin, buffer + 16, bigEndian);
PutUINT(fillPoly -> y_origin, buffer + 18, bigEndian);
}
#ifdef DEBUG
*logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush;
#endif
return 1;
}
void FillPolyStore::dumpIdentity(const Message *message) const
{
#ifdef DUMP
FillPolyMessage *fillPoly = (FillPolyMessage *) message;
*logofs << name() << ": Identity drawable " << fillPoly -> drawable
<< ", gcontext " << fillPoly -> gcontext << ", shape "
<< fillPoly -> shape << ", mode " << fillPoly -> mode
<< fillPoly -> size_ << ", x_origin " << fillPoly -> x_origin
<< ", y_origin " << fillPoly -> y_origin << ".\n"
<< logofs_flush;
#endif
}
void FillPolyStore::identityChecksum(const Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const
{
//
// Fields shape, mode.
//
md5_append(md5_state_, buffer + 12, 2);
}
void FillPolyStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
const Message *cachedMessage,
ChannelCache *channelCache) const
{
FillPolyMessage *fillPoly = (FillPolyMessage *) message;
FillPolyMessage *cachedFillPoly = (FillPolyMessage *) cachedMessage;
ClientCache *clientCache = (ClientCache *) channelCache;
#ifdef TEST
*logofs << name() << ": Encoding value " << fillPoly -> drawable
<< " as drawable field.\n" << logofs_flush;
#endif
encodeBuffer.encodeXidValue(fillPoly -> drawable, clientCache -> drawableCache);
cachedFillPoly -> drawable = fillPoly -> drawable;
#ifdef TEST
*logofs << name() << ": Encoding value " << fillPoly -> gcontext
<< " as gcontext field.\n" << logofs_flush;
#endif
encodeBuffer.encodeXidValue(fillPoly -> gcontext, clientCache -> gcCache);
cachedFillPoly -> gcontext = fillPoly -> gcontext;
if (control -> isProtoStep8() == 1 &&
fillPoly -> size_ >= dataOffset)
{
#ifdef TEST
*logofs << name() << ": Encoding value " << fillPoly -> x_origin
<< " as x_origin field.\n" << logofs_flush;
#endif
encodeBuffer.encodeCachedValue(fillPoly -> x_origin, 16,
*clientCache -> fillPolyXAbsCache[0], 8);
cachedFillPoly -> x_origin = fillPoly -> x_origin;
#ifdef TEST
*logofs << name() << ": Encoding value " << fillPoly -> y_origin
<< " as y_origin field.\n" << logofs_flush;
#endif
encodeBuffer.encodeCachedValue(fillPoly -> y_origin, 16,
*clientCache -> fillPolyYAbsCache[0], 8);
cachedFillPoly -> y_origin = fillPoly -> y_origin;
}
}
void FillPolyStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
ChannelCache *channelCache) const
{
FillPolyMessage *fillPoly = (FillPolyMessage *) message;
ClientCache *clientCache = (ClientCache *) channelCache;
decodeBuffer.decodeXidValue(fillPoly -> drawable, clientCache -> drawableCache);
#ifdef TEST
*logofs << name() << ": Decoded value " << fillPoly -> drawable
<< " as drawable field.\n" << logofs_flush;
#endif
decodeBuffer.decodeXidValue(fillPoly -> gcontext, clientCache -> gcCache);
#ifdef TEST
*logofs << name() << ": Decoded value " << fillPoly -> gcontext
<< " as gcontext field.\n" << logofs_flush;
#endif
if (control -> isProtoStep8() == 1 &&
fillPoly -> size_ >= dataOffset)
{
unsigned int value;
decodeBuffer.decodeCachedValue(value, 16,
*clientCache -> fillPolyXAbsCache[0], 8);
fillPoly -> x_origin = value;
#ifdef TEST
*logofs << name() << ": Decoded value " << fillPoly -> x_origin
<< " as x_origin field.\n" << logofs_flush;
#endif
decodeBuffer.decodeCachedValue(value, 16,
*clientCache -> fillPolyYAbsCache[0], 8);
fillPoly -> y_origin = value;
#ifdef TEST
*logofs << name() << ": Decoded value " << fillPoly -> y_origin
<< " as y_origin field.\n" << logofs_flush;
#endif
}
}
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