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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. */
/* */
/**************************************************************************/
#ifndef PolySegment_H
#define PolySegment_H
#include "Message.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
//
// Set default values.
//
#define POLYSEGMENT_ENABLE_CACHE 1
#define POLYSEGMENT_ENABLE_DATA 0
#define POLYSEGMENT_ENABLE_SPLIT 0
#define POLYSEGMENT_ENABLE_COMPRESS 0
#define POLYSEGMENT_DATA_LIMIT 8192
#define POLYSEGMENT_DATA_OFFSET 12
#define POLYSEGMENT_CACHE_SLOTS 3000
#define POLYSEGMENT_CACHE_THRESHOLD 5
#define POLYSEGMENT_CACHE_LOWER_THRESHOLD 1
//
// The message class.
//
class PolySegmentMessage : public Message
{
friend class PolySegmentStore;
public:
PolySegmentMessage()
{
}
~PolySegmentMessage()
{
}
//
// Put here the fields which constitute
// the 'identity' part of the message.
//
private:
unsigned int drawable;
unsigned int gcontext;
};
class PolySegmentStore : public MessageStore
{
//
// Constructors and destructors.
//
public:
PolySegmentStore() : MessageStore()
{
enableCache = POLYSEGMENT_ENABLE_CACHE;
enableData = POLYSEGMENT_ENABLE_DATA;
enableSplit = POLYSEGMENT_ENABLE_SPLIT;
enableCompress = POLYSEGMENT_ENABLE_COMPRESS;
dataLimit = POLYSEGMENT_DATA_LIMIT;
dataOffset = POLYSEGMENT_DATA_OFFSET;
cacheSlots = POLYSEGMENT_CACHE_SLOTS;
cacheThreshold = POLYSEGMENT_CACHE_THRESHOLD;
cacheLowerThreshold = POLYSEGMENT_CACHE_LOWER_THRESHOLD;
messages_ -> resize(cacheSlots);
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
*i = NULL;
}
temporary_ = NULL;
}
virtual ~PolySegmentStore()
{
for (T_messages::iterator i = messages_ -> begin();
i < messages_ -> end(); i++)
{
destroy(*i);
}
destroy(temporary_);
}
virtual const char *name() const
{
return "PolySegment";
}
virtual unsigned char opcode() const
{
return X_PolySegment;
}
virtual unsigned int storage() const
{
return sizeof(PolySegmentMessage);
}
//
// Message handling methods.
//
public:
virtual Message *create() const
{
return new PolySegmentMessage();
}
virtual Message *create(const Message &message) const
{
return new PolySegmentMessage((const PolySegmentMessage &) message);
}
virtual void destroy(Message *message) const
{
delete (PolySegmentMessage *) 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 /* PolySegment_H */
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