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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2009 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 Medialogic S.p.A. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#include "GetImage.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 GetImageStore::parseIdentity(Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const
{
GetImageMessage *getImage = (GetImageMessage *) message;
//
// Here is the fingerprint.
//
getImage -> format = *(buffer + 1);
#ifdef TEST
if (getImage -> format != 1 && getImage -> format != 2)
{
*logofs << name() << ": WARNING! Dirty value " << getImage -> format
<< " for field format.\n" << logofs_flush;
}
#endif
getImage -> drawable = GetULONG(buffer + 4, bigEndian);
getImage -> x = GetUINT(buffer + 8, bigEndian);
getImage -> y = GetUINT(buffer + 10, bigEndian);
getImage -> width = GetUINT(buffer + 12, bigEndian);
getImage -> height = GetUINT(buffer + 14, bigEndian);
getImage -> plane_mask = GetULONG(buffer + 16, bigEndian);
#ifdef DEBUG
*logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush;
#endif
return 1;
}
int GetImageStore::unparseIdentity(const Message *message, unsigned char *buffer,
unsigned int size, int bigEndian) const
{
GetImageMessage *getImage = (GetImageMessage *) message;
//
// Fill all the message's fields.
//
*(buffer + 1) = getImage -> format;
PutULONG(getImage -> drawable, buffer + 4, bigEndian);
PutUINT(getImage -> x, buffer + 8, bigEndian);
PutUINT(getImage -> y, buffer + 10, bigEndian);
PutUINT(getImage -> width, buffer + 12, bigEndian);
PutUINT(getImage -> height, buffer + 14, bigEndian);
PutULONG(getImage -> plane_mask, buffer + 16, bigEndian);
#ifdef DEBUG
*logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush;
#endif
return 1;
}
void GetImageStore::dumpIdentity(const Message *message) const
{
#ifdef DUMP
GetImageMessage *getImage = (GetImageMessage *) message;
*logofs << name() << ": Identity format " << (unsigned) getImage -> format
<< ", drawable " << getImage -> drawable << ", x " << getImage -> x
<< ", y " << getImage -> y << ", width " << getImage -> width
<< ", height " << getImage -> height << ", plane_mask "
<< getImage -> plane_mask << ", size " << getImage -> size_
<< ".\n" << logofs_flush;
#endif
}
void GetImageStore::identityChecksum(const Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const
{
md5_append(md5_state_, buffer + 1, 1);
md5_append(md5_state_, buffer + 8, 2);
md5_append(md5_state_, buffer + 10, 2);
md5_append(md5_state_, buffer + 12, 2);
md5_append(md5_state_, buffer + 14, 2);
md5_append(md5_state_, buffer + 16, 4);
}
void GetImageStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
const Message *cachedMessage,
ChannelCache *channelCache) const
{
GetImageMessage *getImage = (GetImageMessage *) message;
GetImageMessage *cachedGetImage = (GetImageMessage *) cachedMessage;
ClientCache *clientCache = (ClientCache *) channelCache;
#ifdef TEST
*logofs << name() << ": Encoding value " << getImage -> drawable
<< " as drawable field.\n" << logofs_flush;
#endif
encodeBuffer.encodeXidValue(getImage -> drawable, clientCache -> drawableCache);
cachedGetImage -> drawable = getImage -> drawable;
}
void GetImageStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
ChannelCache *channelCache) const
{
GetImageMessage *getImage = (GetImageMessage *) message;
ClientCache *clientCache = (ClientCache *) channelCache;
unsigned int value;
decodeBuffer.decodeXidValue(value, clientCache -> drawableCache);
getImage -> drawable = value;
#ifdef DEBUG
*logofs << name() << ": Decoded value " << getImage -> drawable
<< " as drawable field.\n" << logofs_flush;
#endif
}
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