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-rw-r--r--nxcomp/src/PolyArc.cpp162
1 files changed, 162 insertions, 0 deletions
diff --git a/nxcomp/src/PolyArc.cpp b/nxcomp/src/PolyArc.cpp
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+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
+/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
+/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
+/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
+/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
+/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
+/* */
+/* NXCOMP, NX protocol compression and NX extensions to this software */
+/* are copyright of the aforementioned persons and companies. */
+/* */
+/* Redistribution and use of the present software is allowed according */
+/* to terms specified in the file LICENSE.nxcomp which comes in the */
+/* source distribution. */
+/* */
+/* All rights reserved. */
+/* */
+/* NOTE: This software has received contributions from various other */
+/* contributors, only the core maintainers and supporters are listed as */
+/* copyright holders. Please contact us, if you feel you should be listed */
+/* as copyright holder, as well. */
+/* */
+/**************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#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
+}
+
+