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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. */
/* */
/**************************************************************************/
#ifndef PolyArc_H
#define PolyArc_H
#include "Message.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
//
// Set default values.
//
#define POLYARC_ENABLE_CACHE 1
#define POLYARC_ENABLE_DATA 0
#define POLYARC_ENABLE_SPLIT 0
#define POLYARC_ENABLE_COMPRESS 0
#define POLYARC_DATA_LIMIT 1980
#define POLYARC_DATA_OFFSET 12
#define POLYARC_CACHE_SLOTS 2000
#define POLYARC_CACHE_THRESHOLD 2
#define POLYARC_CACHE_LOWER_THRESHOLD 1
//
// The message class.
//
class PolyArcMessage : public Message
{
friend class PolyArcStore;
public:
PolyArcMessage()
{
}
~PolyArcMessage()
{
}
//
// Put here the fields which constitute
// the 'identity' part of the message.
//
private:
unsigned int drawable;
unsigned int gcontext;
};
class PolyArcStore : public MessageStore
{
//
// Constructors and destructors.
//
public:
PolyArcStore() : MessageStore()
{
enableCache = POLYARC_ENABLE_CACHE;
enableData = POLYARC_ENABLE_DATA;
enableSplit = POLYARC_ENABLE_SPLIT;
enableCompress = POLYARC_ENABLE_COMPRESS;
dataLimit = POLYARC_DATA_LIMIT;
dataOffset = POLYARC_DATA_OFFSET;
cacheSlots = POLYARC_CACHE_SLOTS;
cacheThreshold = POLYARC_CACHE_THRESHOLD;
cacheLowerThreshold = POLYARC_CACHE_LOWER_THRESHOLD;
messages_ -> resize(cacheSlots);
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
*i = NULL;
}
temporary_ = NULL;
}
virtual ~PolyArcStore()
{
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
destroy(*i);
}
destroy(temporary_);
}
virtual const char *name() const
{
return "PolyArc";
}
virtual unsigned char opcode() const
{
return X_PolyArc;
}
virtual unsigned int storage() const
{
return sizeof(PolyArcMessage);
}
//
// Message handling methods.
//
public:
virtual Message *create() const
{
return new PolyArcMessage();
}
virtual Message *create(const Message &message) const
{
return new PolyArcMessage((const PolyArcMessage &) message);
}
virtual void destroy(Message *message) const
{
delete (PolyArcMessage *) message;
}
virtual int parseIdentity(Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const;
virtual int unparseIdentity(const Message *message, unsigned char *buffer,
unsigned int size, int bigEndian) const;
virtual void updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
const Message *cachedMessage,
ChannelCache *channelCache) const;
virtual void updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
ChannelCache *channelCache) const;
virtual void identityChecksum(const Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const;
virtual void dumpIdentity(const Message *message) const;
};
#endif /* PolyArc_H */
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