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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 "SetUnpackColormapCompat.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.
//
SetUnpackColormapCompatStore::SetUnpackColormapCompatStore(StaticCompressor *compressor)
: MessageStore(compressor)
{
enableCache = SETUNPACKCOLORMAP_ENABLE_CACHE;
enableData = SETUNPACKCOLORMAP_ENABLE_DATA;
enableSplit = SETUNPACKCOLORMAP_ENABLE_SPLIT;
enableCompress = SETUNPACKCOLORMAP_ENABLE_COMPRESS;
dataLimit = SETUNPACKCOLORMAP_DATA_LIMIT;
dataOffset = SETUNPACKCOLORMAP_DATA_OFFSET;
cacheSlots = SETUNPACKCOLORMAP_CACHE_SLOTS;
cacheThreshold = SETUNPACKCOLORMAP_CACHE_THRESHOLD;
cacheLowerThreshold = SETUNPACKCOLORMAP_CACHE_LOWER_THRESHOLD;
messages_ -> resize(cacheSlots);
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
*i = NULL;
}
temporary_ = NULL;
}
SetUnpackColormapCompatStore::~SetUnpackColormapCompatStore()
{
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
destroy(*i);
}
destroy(temporary_);
}
//
// Here are the methods to handle messages' content.
//
int SetUnpackColormapCompatStore::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
// Client.
encodeBuffer.encodeCachedValue(*(buffer + 1), 8,
clientCache -> resourceCache);
// Entries.
encodeBuffer.encodeValue(GetULONG(buffer + 4, bigEndian), 32, 9);
#ifdef DEBUG
*logofs << name() << ": Encoded full message identity.\n" << logofs_flush;
#endif
return 1;
}
int SetUnpackColormapCompatStore::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
unsigned int value;
unsigned char cValue;
// Client.
decodeBuffer.decodeCachedValue(cValue, 8,
clientCache -> resourceCache);
// Entries.
decodeBuffer.decodeValue(value, 32, 9);
size = (value << 2) + 8;
buffer = writeBuffer -> addMessage(size);
*(buffer + 1) = cValue;
PutULONG(value, buffer + 4, bigEndian);
#ifdef DEBUG
*logofs << name() << ": Decoded full message identity.\n" << logofs_flush;
#endif
return 1;
}
int SetUnpackColormapCompatStore::parseIdentity(Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const
{
SetUnpackColormapCompatMessage *setUnpackColormap = (SetUnpackColormapCompatMessage *) message;
setUnpackColormap -> client = *(buffer + 1);
setUnpackColormap -> entries = GetULONG(buffer + 4, bigEndian);
#ifdef DEBUG
*logofs << name() << ": Parsed identity for message at " << message << ".\n" << logofs_flush;
#endif
return 1;
}
int SetUnpackColormapCompatStore::unparseIdentity(const Message *message, unsigned char *buffer,
unsigned int size, int bigEndian) const
{
SetUnpackColormapCompatMessage *setUnpackColormap = (SetUnpackColormapCompatMessage *) message;
*(buffer + 1) = setUnpackColormap -> client;
PutULONG(setUnpackColormap -> entries, buffer + 4, bigEndian);
#ifdef DEBUG
*logofs << name() << ": Unparsed identity for message at " << message << ".\n" << logofs_flush;
#endif
return 1;
}
void SetUnpackColormapCompatStore::dumpIdentity(const Message *message) const
{
#ifdef DUMP
SetUnpackColormapCompatMessage *setUnpackColormap = (SetUnpackColormapCompatMessage *) message;
*logofs << name() << ": Identity client "
<< (unsigned int) setUnpackColormap -> client << " entries "
<< setUnpackColormap -> entries << " size "
<< setUnpackColormap -> size_ << ".\n";
#endif
}
void SetUnpackColormapCompatStore::identityChecksum(const Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const
{
md5_append(md5_state_, buffer + 4, 4);
}
void SetUnpackColormapCompatStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
const Message *cachedMessage,
ChannelCache *channelCache) const
{
SetUnpackColormapCompatMessage *setUnpackColormap = (SetUnpackColormapCompatMessage *) message;
SetUnpackColormapCompatMessage *cachedSetUnpackColormap = (SetUnpackColormapCompatMessage *) cachedMessage;
ClientCache *clientCache = (ClientCache *) channelCache;
#ifdef TEST
*logofs << name() << ": Encoding value "
<< (unsigned int) setUnpackColormap -> client
<< " as client field.\n" << logofs_flush;
#endif
encodeBuffer.encodeCachedValue(setUnpackColormap -> client, 8,
clientCache -> resourceCache);
cachedSetUnpackColormap -> client = setUnpackColormap -> client;
if (cachedSetUnpackColormap -> entries != setUnpackColormap -> entries)
{
#ifdef TEST
*logofs << name() << ": Encoding value " << setUnpackColormap -> entries
<< " as entries field.\n" << logofs_flush;
#endif
encodeBuffer.encodeBoolValue(1);
encodeBuffer.encodeValue(setUnpackColormap -> entries, 32, 9);
cachedSetUnpackColormap -> entries = setUnpackColormap -> entries;
}
else
{
encodeBuffer.encodeBoolValue(0);
}
}
void SetUnpackColormapCompatStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
ChannelCache *channelCache) const
{
SetUnpackColormapCompatMessage *setUnpackColormap = (SetUnpackColormapCompatMessage *) message;
ClientCache *clientCache = (ClientCache *) channelCache;
unsigned int value;
decodeBuffer.decodeCachedValue(setUnpackColormap -> client, 8,
clientCache -> resourceCache);
#ifdef DEBUG
*logofs << name() << ": Decoded value "
<< (unsigned int) setUnpackColormap -> client
<< " as client field.\n" << logofs_flush;
#endif
decodeBuffer.decodeBoolValue(value);
if (value)
{
decodeBuffer.decodeValue(value, 32, 9);
setUnpackColormap -> entries = value;
#ifdef DEBUG
*logofs << name() << ": Decoded value " << setUnpackColormap -> entries
<< " as entries field.\n" << logofs_flush;
#endif
}
}
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