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SetUnpackGeometry.cpp
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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2010 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 "SetUnpackGeometry.h"
#include "ClientCache.h"
#include "EncodeBuffer.h"
#include "DecodeBuffer.h"
#include "WriteBuffer.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
//
// Constructors and destructors.
//
SetUnpackGeometryStore::SetUnpackGeometryStore(StaticCompressor *compressor)
: MessageStore(compressor)
{
enableCache = SETUNPACKGEOMETRY_ENABLE_CACHE;
enableData = SETUNPACKGEOMETRY_ENABLE_DATA;
enableSplit = SETUNPACKGEOMETRY_ENABLE_SPLIT;
enableCompress = SETUNPACKGEOMETRY_ENABLE_COMPRESS;
dataLimit = SETUNPACKGEOMETRY_DATA_LIMIT;
dataOffset = SETUNPACKGEOMETRY_DATA_OFFSET;
cacheSlots = SETUNPACKGEOMETRY_CACHE_SLOTS;
cacheThreshold = SETUNPACKGEOMETRY_CACHE_THRESHOLD;
cacheLowerThreshold = SETUNPACKGEOMETRY_CACHE_LOWER_THRESHOLD;
messages_ -> resize(cacheSlots);
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
*i = NULL;
}
temporary_ = NULL;
}
SetUnpackGeometryStore::~SetUnpackGeometryStore()
{
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
destroy(*i);
}
destroy(temporary_);
}
//
// Here are the methods to handle messages' content.
//
int SetUnpackGeometryStore::encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
const unsigned int size, int bigEndian,
ChannelCache *channelCache) const
{
ClientCache *clientCache = (ClientCache *) channelCache;
#ifdef DEBUG
*logofs << name() << ": Encoding full message identity.\n" << logofs_flush;
#endif
encodeBuffer.encodeCachedValue(*(buffer + 1), 8,
clientCache -> resourceCache);
const unsigned char *nextChar = buffer + 4;
for (int i = 0; i < 6; i++)
{
encodeBuffer.encodeCachedValue(*nextChar++, 8,
clientCache -> depthCache);
}
encodeBuffer.encodeValue(GetULONG(buffer + 12, bigEndian), 32);
encodeBuffer.encodeValue(GetULONG(buffer + 16, bigEndian), 32);
encodeBuffer.encodeValue(GetULONG(buffer + 20, bigEndian), 32);
#ifdef DEBUG
*logofs << name() << ": Encoded full message identity.\n" << logofs_flush;
#endif
return 1;
}
int SetUnpackGeometryStore::decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer,
unsigned int &size, int bigEndian, WriteBuffer *writeBuffer,
ChannelCache *channelCache) const
{
ClientCache *clientCache = (ClientCache *) channelCache;
#ifdef DEBUG
*logofs << name() << ": Decoding full message identity.\n" << logofs_flush;
#endif
size = 24;
buffer = writeBuffer -> addMessage(size);
unsigned char cValue;
decodeBuffer.decodeCachedValue(cValue, 8,
clientCache -> resourceCache);
*(buffer + 1) = cValue;
decodeBuffer.decodeCachedValue(cValue, 8,
clientCache -> depthCache);
*(buffer + 4) = cValue;
decodeBuffer.decodeCachedValue(cValue, 8,
clientCache -> depthCache);
*(buffer + 5) = cValue;
decodeBuffer.decodeCachedValue(cValue, 8,
clientCache -> depthCache);
*(buffer + 6) = cValue;
decodeBuffer.decodeCachedValue(cValue, 8,
clientCache -> depthCache);
*(buffer + 7) = cValue;
decodeBuffer.decodeCachedValue(cValue, 8,
clientCache -> depthCache);
*(buffer + 8) = cValue;
decodeBuffer.decodeCachedValue(cValue, 8,
clientCache -> depthCache);
*(buffer + 9) = cValue;
unsigned int value;
decodeBuffer.decodeValue(value, 32);
PutULONG(value, buffer + 12, bigEndian);
decodeBuffer.decodeValue(value, 32);
PutULONG(value, buffer + 16, bigEndian);
decodeBuffer.decodeValue(value, 32);
PutULONG(value, buffer + 20, bigEndian);
#ifdef DEBUG
*logofs << name() << ": Decoded full message identity.\n" << logofs_flush;
#endif
return 1;
}
int SetUnpackGeometryStore::parseIdentity(Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const
{
SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message;
setUnpackGeometry -> client = *(buffer + 1);
setUnpackGeometry -> depth_1_bpp = *(buffer + 4);
setUnpackGeometry -> depth_4_bpp = *(buffer + 5);
setUnpackGeometry -> depth_8_bpp = *(buffer + 6);
setUnpackGeometry -> depth_16_bpp = *(buffer + 7);
setUnpackGeometry -> depth_24_bpp = *(buffer + 8);
setUnpackGeometry -> depth_32_bpp = *(buffer + 9);
setUnpackGeometry -> red_mask = GetULONG(buffer + 12, bigEndian);
setUnpackGeometry -> green_mask = GetULONG(buffer + 16, bigEndian);
setUnpackGeometry -> blue_mask = GetULONG(buffer + 20, bigEndian);
#ifdef DEBUG
*logofs << name() << ": Parsed identity for message at " << message << ".\n" << logofs_flush;
#endif
return 1;
}
int SetUnpackGeometryStore::unparseIdentity(const Message *message, unsigned char *buffer,
unsigned int size, int bigEndian) const
{
SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message;
*(buffer + 1) = setUnpackGeometry -> client;
*(buffer + 4) = setUnpackGeometry -> depth_1_bpp;
*(buffer + 5) = setUnpackGeometry -> depth_4_bpp;
*(buffer + 6) = setUnpackGeometry -> depth_8_bpp;
*(buffer + 7) = setUnpackGeometry -> depth_16_bpp;
*(buffer + 8) = setUnpackGeometry -> depth_24_bpp;
*(buffer + 9) = setUnpackGeometry -> depth_32_bpp;
PutULONG(setUnpackGeometry -> red_mask, buffer + 12, bigEndian);
PutULONG(setUnpackGeometry -> green_mask, buffer + 16, bigEndian);
PutULONG(setUnpackGeometry -> blue_mask, buffer + 20, bigEndian);
#ifdef DEBUG
*logofs << name() << ": Unparsed identity for message at " << message << ".\n" << logofs_flush;
#endif
return 1;
}
void SetUnpackGeometryStore::dumpIdentity(const Message *message) const
{
#ifdef DUMP
SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message;
*logofs << name() << ": Identity client "
<< (unsigned) setUnpackGeometry -> client << " depth_1_bpp "
<< (unsigned) setUnpackGeometry -> depth_1_bpp << " depth_4_bpp "
<< (unsigned int) setUnpackGeometry -> depth_4_bpp << " depth_8_bpp "
<< (unsigned int) setUnpackGeometry -> depth_8_bpp << " depth_16_bpp "
<< (unsigned int) setUnpackGeometry -> depth_16_bpp << " depth_24_bpp "
<< (unsigned int) setUnpackGeometry -> depth_24_bpp << " depth_32_bpp "
<< (unsigned int) setUnpackGeometry -> depth_32_bpp
<< " red_mask " << setUnpackGeometry -> red_mask
<< " green_mask " << setUnpackGeometry -> green_mask
<< " blue_mask " << setUnpackGeometry -> blue_mask
<< " size " << setUnpackGeometry -> size_ << ".\n";
#endif
}
void SetUnpackGeometryStore::identityChecksum(const Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const
{
md5_append(md5_state_, buffer + 4, 6);
md5_append(md5_state_, buffer + 12, 12);
}
void SetUnpackGeometryStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
const Message *cachedMessage,
ChannelCache *channelCache) const
{
SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message;
SetUnpackGeometryMessage *cachedSetUnpackGeometry = (SetUnpackGeometryMessage *) cachedMessage;
ClientCache *clientCache = (ClientCache *) channelCache;
#ifdef TEST
*logofs << name() << ": Encoding value "
<< (unsigned int) setUnpackGeometry -> client
<< " as client field.\n" << logofs_flush;
#endif
encodeBuffer.encodeCachedValue(setUnpackGeometry -> client, 8,
clientCache -> resourceCache);
cachedSetUnpackGeometry -> client = setUnpackGeometry -> client;
}
void SetUnpackGeometryStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
ChannelCache *channelCache) const
{
SetUnpackGeometryMessage *setUnpackGeometry = (SetUnpackGeometryMessage *) message;
ClientCache *clientCache = (ClientCache *) channelCache;
decodeBuffer.decodeCachedValue(setUnpackGeometry -> client, 8,
clientCache -> resourceCache);
#ifdef DEBUG
*logofs << name() << ": Decoded value "
<< (unsigned int) setUnpackGeometry -> client
<< " as client field.\n" << logofs_flush;
#endif
}