PolyArc.cpp 4.7 KB
Newer Older
1 2
/**************************************************************************/
/*                                                                        */
3
/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/.         */
4 5 6 7 8 9 10 11
/*                                                                        */
/* 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.       */
/*                                                                        */
12
/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
/*                                                                        */
/* All rights reserved.                                                   */
/*                                                                        */
/**************************************************************************/

#include "PolyArc.h"

#include "ClientCache.h"

#include "EncodeBuffer.h"
#include "DecodeBuffer.h"

//
// Set the verbosity level.
//

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

//
// Here are the methods to handle messages' content.
//

int PolyArcStore::parseIdentity(Message *message, const unsigned char *buffer,
                                    unsigned int size, int bigEndian) const
{
  PolyArcMessage *polyArc = (PolyArcMessage *) message;

  //
  // Here is the fingerprint.
  //

  polyArc -> drawable = GetULONG(buffer + 4, bigEndian);
  polyArc -> gcontext = GetULONG(buffer + 8, bigEndian);

  #ifdef DEBUG
  *logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush;
  #endif

  return 1;
}

int PolyArcStore::unparseIdentity(const Message *message, unsigned char *buffer,
                                      unsigned int size, int bigEndian) const
{
  PolyArcMessage *polyArc = (PolyArcMessage *) message;

  //
  // Fill all the message's fields.
  //

  PutULONG(polyArc -> drawable, buffer + 4, bigEndian);
  PutULONG(polyArc -> gcontext, buffer + 8, bigEndian);

  #ifdef DEBUG
  *logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush;
  #endif

  return 1;
}

void PolyArcStore::dumpIdentity(const Message *message) const
{
  #ifdef DUMP

  PolyArcMessage *polyArc = (PolyArcMessage *) message;

  *logofs << name() << ": Identity drawable " << polyArc -> drawable
                    << ", gcontext " << polyArc -> gcontext
                    << ", size " << polyArc -> size_ << ".\n" << logofs_flush;
  #endif
}

void PolyArcStore::identityChecksum(const Message *message, const unsigned char *buffer,
                                        unsigned int size, int bigEndian) const
{
}

void PolyArcStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
                                      const Message *cachedMessage,
                                          ChannelCache *channelCache) const
{
  PolyArcMessage *polyArc       = (PolyArcMessage *) message;
  PolyArcMessage *cachedPolyArc = (PolyArcMessage *) cachedMessage;

  ClientCache *clientCache = (ClientCache *) channelCache;

  #ifdef TEST
  *logofs << name() << ": Encoding value " << polyArc -> drawable
          << " as drawable field.\n" << logofs_flush;
  #endif

  encodeBuffer.encodeXidValue(polyArc -> drawable, clientCache -> drawableCache);

  cachedPolyArc -> drawable = polyArc -> drawable;

  #ifdef TEST
  *logofs << name() << ": Encoding value " << polyArc -> gcontext
          << " as gcontext field.\n" << logofs_flush;
  #endif

  encodeBuffer.encodeXidValue(polyArc -> gcontext, clientCache -> gcCache);

  cachedPolyArc -> gcontext = polyArc -> gcontext;
}

void PolyArcStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
                                      ChannelCache *channelCache) const
{
  PolyArcMessage *polyArc = (PolyArcMessage *) message;

  ClientCache *clientCache = (ClientCache *) channelCache;

  unsigned int value;

  decodeBuffer.decodeXidValue(value, clientCache -> drawableCache);

  polyArc -> drawable = value;

  #ifdef DEBUG
  *logofs << name() << ": Decoded value " << polyArc -> drawable
          << " as drawable field.\n" << logofs_flush;
  #endif

  decodeBuffer.decodeXidValue(value, clientCache -> gcCache);

  polyArc -> gcontext = value;

  #ifdef DEBUG
  *logofs << name() << ": Decoded value " << polyArc -> gcontext
          << " as gcontext field.\n" << logofs_flush;
  #endif
}