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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 GenericRequest_H
#define GenericRequest_H
#include "Message.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
//
// Set default values.
//
#define GENERICREQUEST_ENABLE_CACHE 1
#define GENERICREQUEST_ENABLE_DATA 1
#define GENERICREQUEST_ENABLE_SPLIT 0
#define GENERICREQUEST_ENABLE_COMPRESS 1
#define GENERICREQUEST_DATA_LIMIT 262144 - 20
#define GENERICREQUEST_DATA_OFFSET 20
#define GENERICREQUEST_CACHE_SLOTS 400
#define GENERICREQUEST_CACHE_THRESHOLD 5
#define GENERICREQUEST_CACHE_LOWER_THRESHOLD 1
#define GENERICREQUEST_ENABLE_COMPRESS_IF_PROTO_STEP_7 0
//
// The message class.
//
class GenericRequestMessage : public Message
{
friend class GenericRequestStore;
public:
GenericRequestMessage()
{
}
~GenericRequestMessage()
{
}
//
// Note that we consider for this message a data offset
// of 4 (or 20 starting from protocol 3). Bytes from 9
// to 20, if present, are taken as part of identity and
// encoded through an array of int caches.
//
private:
unsigned char opcode;
unsigned short data[8];
};
class GenericRequestStore : public MessageStore
{
public:
GenericRequestStore(StaticCompressor *compressor);
virtual ~GenericRequestStore();
virtual const char *name() const
{
return "GenericRequest";
}
virtual unsigned char opcode() const
{
return X_NXInternalGenericRequest;
}
virtual unsigned int storage() const
{
return sizeof(GenericRequestMessage);
}
//
// Message handling methods.
//
public:
virtual Message *create() const
{
return new GenericRequestMessage();
}
virtual Message *create(const Message &message) const
{
return new GenericRequestMessage((const GenericRequestMessage &) message);
}
virtual void destroy(Message *message) const
{
delete (GenericRequestMessage *) 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 /* GenericRequest_H */
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