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-rw-r--r--nxcomp/PolySegment.cpp150
1 files changed, 150 insertions, 0 deletions
diff --git a/nxcomp/PolySegment.cpp b/nxcomp/PolySegment.cpp
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+++ b/nxcomp/PolySegment.cpp
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+/**************************************************************************/
+/* */
+/* 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 "PolySegment.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 PolySegmentStore::parseIdentity(Message *message, const unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ PolySegmentMessage *polySegment = (PolySegmentMessage *) message;
+
+ //
+ // Here is the fingerprint.
+ //
+
+ polySegment -> drawable = GetULONG(buffer + 4, bigEndian);
+ polySegment -> gcontext = GetULONG(buffer + 8, bigEndian);
+
+ #ifdef DEBUG
+ *logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+int PolySegmentStore::unparseIdentity(const Message *message, unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ PolySegmentMessage *polySegment = (PolySegmentMessage *) message;
+
+ //
+ // Fill all the message's fields.
+ //
+
+ PutULONG(polySegment -> drawable, buffer + 4, bigEndian);
+ PutULONG(polySegment -> gcontext, buffer + 8, bigEndian);
+
+ #ifdef DEBUG
+ *logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+void PolySegmentStore::dumpIdentity(const Message *message) const
+{
+ #ifdef DUMP
+
+ PolySegmentMessage *polySegment = (PolySegmentMessage *) message;
+
+ *logofs << name() << ": Identity drawable " << polySegment -> drawable
+ << ", gcontext " << polySegment -> gcontext
+ << ", size " << polySegment -> size_ << ".\n" << logofs_flush;
+ #endif
+}
+
+void PolySegmentStore::identityChecksum(const Message *message, const unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+}
+
+void PolySegmentStore::updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
+ const Message *cachedMessage,
+ ChannelCache *channelCache) const
+{
+ PolySegmentMessage *polySegment = (PolySegmentMessage *) message;
+ PolySegmentMessage *cachedPolySegment = (PolySegmentMessage *) cachedMessage;
+
+ ClientCache *clientCache = (ClientCache *) channelCache;
+
+ #ifdef TEST
+ *logofs << name() << ": Encoding value " << polySegment -> drawable
+ << " as drawable field.\n" << logofs_flush;
+ #endif
+
+ encodeBuffer.encodeXidValue(polySegment -> drawable, clientCache -> drawableCache);
+
+ cachedPolySegment -> drawable = polySegment -> drawable;
+
+ #ifdef TEST
+ *logofs << name() << ": Encoding value " << polySegment -> gcontext
+ << " as gcontext field.\n" << logofs_flush;
+ #endif
+
+ encodeBuffer.encodeXidValue(polySegment -> gcontext, clientCache -> gcCache);
+
+ cachedPolySegment -> gcontext = polySegment -> gcontext;
+}
+
+void PolySegmentStore::updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
+ ChannelCache *channelCache) const
+{
+ PolySegmentMessage *polySegment = (PolySegmentMessage *) message;
+
+ ClientCache *clientCache = (ClientCache *) channelCache;
+
+ unsigned int value;
+
+ decodeBuffer.decodeXidValue(value, clientCache -> drawableCache);
+
+ polySegment -> drawable = value;
+
+ #ifdef DEBUG
+ *logofs << name() << ": Decoded value " << polySegment -> drawable
+ << " as drawable field.\n" << logofs_flush;
+ #endif
+
+ decodeBuffer.decodeXidValue(value, clientCache -> gcCache);
+
+ polySegment -> gcontext = value;
+
+ #ifdef DEBUG
+ *logofs << name() << ": Decoded value " << polySegment -> gcontext
+ << " as gcontext field.\n" << logofs_flush;
+ #endif
+}
+
+