Merge branch 'nxcomp'

1 files changed, 150 insertions, 0 deletions

diff --git a/nxcomp/PolyArc.cpp b/nxcomp/PolyArc.cpp
new file mode 100644
index 000000000..e572fa454
--- /dev/null
+++ b/nxcomp/PolyArc.cpp
@@ -0,0 +1,150 @@
+/**************************************************************************/
+/*                                                                        */
+/* 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.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#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
+}
+
+