• Fernando Carvajal's avatar
    Remove compatibility code for nxcomp before 3.5.0 · a9be6f59
    Fernando Carvajal authored
    As a part of nxcomp's clean-up process, compatibility with old protocol
    versions has been set now at 3.5.0.
    
    This commit removes compatibility code from nxcomp so the minimum supported
    version changes from 1.5.0 (protocol step 6) to 3.5.0 (protocol step 10).
    
    At this moment the removal is not complete and it will be followed by some
    other commits, in order to get rid of several components and files that are
    no longer used as they were only needed to work with old protocol versions.
    
    Refs: ArcticaProject/nx-libs#108
    a9be6f59
GetImageReply.h 3.94 KB
/**************************************************************************/
/*                                                                        */
/* Copyright (c) 2001, 2010 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 GetImageReply_H
#define GetImageReply_H

#include "Message.h"

//
// Set the verbosity level.
//

#define PANIC
#define WARNING
#undef  TEST
#undef  DEBUG
#undef  DUMP

//
// Set default values.
//

#define GETIMAGEREPLY_ENABLE_CACHE                       1
#define GETIMAGEREPLY_ENABLE_DATA                        1
#define GETIMAGEREPLY_ENABLE_SPLIT                       0

#define GETIMAGEREPLY_DATA_LIMIT                         1048576 - 32
#define GETIMAGEREPLY_DATA_OFFSET                        32

#define GETIMAGEREPLY_CACHE_SLOTS                        1000
#define GETIMAGEREPLY_CACHE_THRESHOLD                    20
#define GETIMAGEREPLY_CACHE_LOWER_THRESHOLD              2

#define GETIMAGEREPLY_ENABLE_COMPRESS_IF_PROTO_STEP_7    0

//
// The message class.
//

class GetImageReplyMessage : public Message
{
  friend class GetImageReplyStore;

  public:

  GetImageReplyMessage()
  {
  }

  ~GetImageReplyMessage()
  {
  }

  //
  // Put here the fields which constitute 
  // the 'identity' part of the message.
  //

  private:

  unsigned char depth;
  unsigned int  visual;
};

class GetImageReplyStore : public MessageStore
{
  public:

  GetImageReplyStore(StaticCompressor *compressor);

  virtual ~GetImageReplyStore();

  virtual const char *name() const
  {
    return "GetImageReply";
  }

  virtual unsigned char opcode() const
  {
    return X_GetImage;
  }

  virtual unsigned int storage() const
  {
    return sizeof(GetImageReplyMessage);
  }

  //
  // Message handling methods.
  //

  protected:

  virtual Message *create() const
  {
    return new GetImageReplyMessage();
  }

  virtual Message *create(const Message &message) const
  {
    return new GetImageReplyMessage((const GetImageReplyMessage &) message);
  }

  virtual void destroy(Message *message) const
  {
    delete (GetImageReplyMessage *) 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 /* GetImageReply_H */