Merge branch 'nxcomp'

1 files changed, 170 insertions, 0 deletions

diff --git a/nxcomp/PolyPoint.cpp b/nxcomp/PolyPoint.cpp
new file mode 100644
index 000000000..847300f78
--- /dev/null
+++ b/nxcomp/PolyPoint.cpp
@@ -0,0 +1,170 @@
+/**************************************************************************/
+/*                                                                        */
+/* 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 "PolyPoint.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 PolyPointStore::parseIdentity(Message *message, const unsigned char *buffer,
+                                      unsigned int size, int bigEndian) const
+{
+  PolyPointMessage *polyPoint = (PolyPointMessage *) message;
+
+  //
+  // Here is the fingerprint.
+  //
+
+  polyPoint -> mode = *(buffer + 1);
+
+  polyPoint -> drawable = GetULONG(buffer + 4, bigEndian);
+  polyPoint -> gcontext = GetULONG(buffer + 8, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+int PolyPointStore::unparseIdentity(const Message *message, unsigned char *buffer,
+                                        unsigned int size, int bigEndian) const
+{
+  PolyPointMessage *polyPoint = (PolyPointMessage *) message;
+
+  //
+  // Fill all the message's fields.
+  //
+
+  *(buffer + 1) = polyPoint -> mode;
+
+  PutULONG(polyPoint -> drawable, buffer + 4, bigEndian);
+  PutULONG(polyPoint -> gcontext, buffer + 8, bigEndian);
+
+  #ifdef DEBUG
+  *logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush;
+  #endif
+
+  return 1;
+}
+
+void PolyPointStore::dumpIdentity(const Message *message) const
+{
+  #ifdef DUMP
+
+  PolyPointMessage *polyPoint = (PolyPointMessage *) message;
+
+  *logofs << name() << ": Identity drawable " << polyPoint -> drawable
+                    << ", gcontext " << polyPoint -> gcontext
+                    << ", size " << polyPoint -> size_ << ".\n" << logofs_flush;
+  #endif
+}
+
+void PolyPointStore::identityChecksum(const Message *message, const unsigned char *buffer,
+                                          unsigned int size, int bigEndian) const
+{
+  if (control -> isProtoStep8() == 1)
+  {
+    md5_append(md5_state_, buffer + 1, 1);
+  }
+}
+
+void PolyPointStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
+                                        const Message *cachedMessage,
+                                            ChannelCache *channelCache) const
+{
+  PolyPointMessage *polyPoint       = (PolyPointMessage *) message;
+  PolyPointMessage *cachedPolyPoint = (PolyPointMessage *) cachedMessage;
+
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  if (control -> isProtoStep8() == 0)
+  {
+    encodeBuffer.encodeBoolValue((unsigned int) polyPoint -> mode);
+  }
+
+  #ifdef TEST
+  *logofs << name() << ": Encoding value " << polyPoint -> drawable
+          << " as drawable field.\n" << logofs_flush;
+  #endif
+
+  encodeBuffer.encodeXidValue(polyPoint -> drawable, clientCache -> drawableCache);
+
+  cachedPolyPoint -> drawable = polyPoint -> drawable;
+
+  #ifdef TEST
+  *logofs << name() << ": Encoding value " << polyPoint -> gcontext
+          << " as gcontext field.\n" << logofs_flush;
+  #endif
+
+  encodeBuffer.encodeXidValue(polyPoint -> gcontext, clientCache -> gcCache);
+
+  cachedPolyPoint -> gcontext = polyPoint -> gcontext;
+}
+
+void PolyPointStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
+                                        ChannelCache *channelCache) const
+{
+  PolyPointMessage *polyPoint = (PolyPointMessage *) message;
+
+  ClientCache *clientCache = (ClientCache *) channelCache;
+
+  unsigned int value;
+
+  if (control -> isProtoStep8() == 0)
+  {
+    decodeBuffer.decodeBoolValue(value);
+
+    polyPoint -> mode = value;
+  }
+
+  decodeBuffer.decodeXidValue(value, clientCache -> drawableCache);
+
+  polyPoint -> drawable = value;
+
+  #ifdef DEBUG
+  *logofs << name() << ": Decoded value " << polyPoint -> drawable
+          << " as drawable field.\n" << logofs_flush;
+  #endif
+
+  decodeBuffer.decodeXidValue(value, clientCache -> gcCache);
+
+  polyPoint -> gcontext = value;
+
+  #ifdef DEBUG
+  *logofs << name() << ": Decoded value " << polyPoint -> gcontext
+          << " as gcontext field.\n" << logofs_flush;
+  #endif
+}
+
+