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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 SetUnpackAlpha_H
#define SetUnpackAlpha_H
#include "Message.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
//
// Set default values.
//
#define SETUNPACKALPHA_ENABLE_CACHE 1
#define SETUNPACKALPHA_ENABLE_DATA 1
#define SETUNPACKALPHA_ENABLE_SPLIT 0
#define SETUNPACKALPHA_ENABLE_COMPRESS 1
#define SETUNPACKALPHA_DATA_LIMIT 16384
#define SETUNPACKALPHA_DATA_OFFSET 8
#define SETUNPACKALPHA_CACHE_SLOTS 2000
#define SETUNPACKALPHA_CACHE_THRESHOLD 10
#define SETUNPACKALPHA_CACHE_LOWER_THRESHOLD 5
#define SETUNPACKALPHA_DATA_OFFSET_IF_PROTO_STEP_7 16
#define SETUNPACKALPHA_ENABLE_SPLIT_IF_PROTO_STEP_7 1
#define SETUNPACKALPHA_ENABLE_COMPRESS_IF_PROTO_STEP_7 0
#define SETUNPACKALPHA_ENABLE_SPLIT_IF_PROTO_STEP_8 0
//
// The message class.
//
class SetUnpackAlphaMessage : public Message
{
friend class SetUnpackAlphaStore;
public:
SetUnpackAlphaMessage()
{
}
~SetUnpackAlphaMessage()
{
}
//
// Put here the fields which constitute
// the 'identity' part of the message.
//
private:
unsigned char client;
unsigned char method;
unsigned int src_length;
unsigned int dst_length;
};
class SetUnpackAlphaStore : public MessageStore
{
public:
SetUnpackAlphaStore(StaticCompressor *compressor);
virtual ~SetUnpackAlphaStore();
virtual const char *name() const
{
return "SetUnpackAlpha";
}
virtual unsigned char opcode() const
{
return X_NXSetUnpackAlpha;
}
virtual unsigned int storage() const
{
return sizeof(SetUnpackAlphaMessage);
}
//
// Message handling methods.
//
protected:
virtual Message *create() const
{
return new SetUnpackAlphaMessage();
}
virtual Message *create(const Message &message) const
{
return new SetUnpackAlphaMessage((const SetUnpackAlphaMessage &) message);
}
virtual void destroy(Message *message) const
{
delete (SetUnpackAlphaMessage *) message;
}
virtual int encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
const unsigned int size, int bigEndian,
ChannelCache *channelCache) const;
virtual int decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer,
unsigned int &size, int bigEndian, WriteBuffer *writeBuffer,
ChannelCache *channelCache) const;
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 /* SetUnpackAlpha_H */
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