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-rw-r--r--nxcomp/ClearArea.cpp113
1 files changed, 113 insertions, 0 deletions
diff --git a/nxcomp/ClearArea.cpp b/nxcomp/ClearArea.cpp
new file mode 100644
index 000000000..223a3b3e1
--- /dev/null
+++ b/nxcomp/ClearArea.cpp
@@ -0,0 +1,113 @@
+/**************************************************************************/
+/* */
+/* 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 "ClearArea.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 ClearAreaStore::parseIdentity(Message *message, const unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ ClearAreaMessage *clearArea = (ClearAreaMessage *) message;
+
+ //
+ // Here is the fingerprint.
+ //
+
+ clearArea -> exposures = *(buffer + 1);
+
+ clearArea -> window = GetULONG(buffer + 4, bigEndian);
+
+ clearArea -> x = GetUINT(buffer + 8, bigEndian);
+ clearArea -> y = GetUINT(buffer + 10, bigEndian);
+ clearArea -> width = GetUINT(buffer + 12, bigEndian);
+ clearArea -> height = GetUINT(buffer + 14, bigEndian);
+
+ #ifdef DEBUG
+ *logofs << name() << ": Parsed Identity for message at " << this << ".\n" << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+int ClearAreaStore::unparseIdentity(const Message *message, unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ ClearAreaMessage *clearArea = (ClearAreaMessage *) message;
+
+ //
+ // Fill all the message's fields.
+ //
+
+ *(buffer + 1) = clearArea -> exposures;
+
+ PutULONG(clearArea -> window, buffer + 4, bigEndian);
+
+ PutUINT(clearArea -> x, buffer + 8, bigEndian);
+ PutUINT(clearArea -> y, buffer + 10, bigEndian);
+ PutUINT(clearArea -> width, buffer + 12, bigEndian);
+ PutUINT(clearArea -> height, buffer + 14, bigEndian);
+
+ #ifdef DEBUG
+ *logofs << name() << ": Unparsed identity for message at " << this << ".\n" << logofs_flush;
+ #endif
+
+ return 1;
+}
+
+void ClearAreaStore::dumpIdentity(const Message *message) const
+{
+ #ifdef DUMP
+
+ ClearAreaMessage *clearArea = (ClearAreaMessage *) message;
+
+ *logofs << name() << ": Identity exposures " << clearArea -> (unsigned int) exposures
+ << ", window " << clearArea -> window << ", x " << clearArea -> x
+ << ", y " << clearArea -> y << ", width " << clearArea -> width
+ << ", height " << clearArea -> height << ", size " << clearArea -> size_
+ << ".\n";
+
+ #endif
+}
+
+void ClearAreaStore::identityChecksum(const Message *message, const unsigned char *buffer,
+ unsigned int size, int bigEndian) const
+{
+ md5_append(md5_state_, buffer + 1, 1);
+ md5_append(md5_state_, buffer + 4, 4);
+ md5_append(md5_state_, buffer + 8, 2);
+ md5_append(md5_state_, buffer + 10, 2);
+ md5_append(md5_state_, buffer + 12, 2);
+ md5_append(md5_state_, buffer + 14, 2);
+}