Merge branch 'nxcomp'

1 files changed, 177 insertions, 0 deletions

diff --git a/nxcomp/PolyArc.h b/nxcomp/PolyArc.h
new file mode 100644
index 000000000..50d2fd9a9
--- /dev/null
+++ b/nxcomp/PolyArc.h
@@ -0,0 +1,177 @@
+/**************************************************************************/
+/*                                                                        */
+/* 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.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef PolyArc_H
+#define PolyArc_H
+
+#include "Message.h"
+
+//
+// Set the verbosity level.
+//
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+#undef  DUMP
+
+//
+// Set default values.
+//
+
+#define POLYARC_ENABLE_CACHE               1
+#define POLYARC_ENABLE_DATA                0
+#define POLYARC_ENABLE_SPLIT               0
+#define POLYARC_ENABLE_COMPRESS            0
+
+#define POLYARC_DATA_LIMIT                 1980
+#define POLYARC_DATA_OFFSET                12
+
+#define POLYARC_CACHE_SLOTS                2000
+#define POLYARC_CACHE_THRESHOLD            2
+#define POLYARC_CACHE_LOWER_THRESHOLD      1
+
+//
+// The message class.
+//
+
+class PolyArcMessage : public Message
+{
+  friend class PolyArcStore;
+
+  public:
+
+  PolyArcMessage()
+  {
+  }
+
+  ~PolyArcMessage()
+  {
+  }
+
+  //
+  // Put here the fields which constitute 
+  // the 'identity' part of the message.
+  //
+
+  private:
+
+  unsigned int drawable;
+  unsigned int gcontext;
+};
+
+class PolyArcStore : public MessageStore
+{
+  //
+  // Constructors and destructors.
+  //
+
+  public:
+
+  PolyArcStore() : MessageStore()
+  {
+    enableCache    = POLYARC_ENABLE_CACHE;
+    enableData     = POLYARC_ENABLE_DATA;
+    enableSplit    = POLYARC_ENABLE_SPLIT;
+    enableCompress = POLYARC_ENABLE_COMPRESS;
+
+    dataLimit  = POLYARC_DATA_LIMIT;
+    dataOffset = POLYARC_DATA_OFFSET;
+
+    cacheSlots          = POLYARC_CACHE_SLOTS;
+    cacheThreshold      = POLYARC_CACHE_THRESHOLD;
+    cacheLowerThreshold = POLYARC_CACHE_LOWER_THRESHOLD;
+
+    messages_ -> resize(cacheSlots);
+
+    for (T_messages::iterator i = messages_ -> begin();
+             i < messages_ -> end(); i++)
+    {
+      *i = NULL;
+    }
+
+    temporary_ = NULL;
+  }
+
+  virtual ~PolyArcStore()
+  {
+    for (T_messages::iterator i = messages_ -> begin();
+             i < messages_ -> end(); i++)
+    {
+      destroy(*i);
+    }
+
+    destroy(temporary_);
+  }
+
+  virtual const char *name() const
+  {
+    return "PolyArc";
+  }
+
+  virtual unsigned char opcode() const
+  {
+    return X_PolyArc;
+  }
+
+  virtual unsigned int storage() const
+  {
+    return sizeof(PolyArcMessage);
+  }
+
+  //
+  // Message handling methods.
+  //
+
+  public:
+
+  virtual Message *create() const
+  {
+    return new PolyArcMessage();
+  }
+
+  virtual Message *create(const Message &message) const
+  {
+    return new PolyArcMessage((const PolyArcMessage &) message);
+  }
+
+  virtual void destroy(Message *message) const
+  {
+    delete (PolyArcMessage *) message;
+  }
+
+  virtual int parseIdentity(Message *message, const unsigned char *buffer,
+                                unsigned int size, int bigEndian) const;
+
+  virtual int unparseIdentity(const Message *message, unsigned char *buffer,
+                                  unsigned int size, int bigEndian) const;
+
+  virtual void updateIdentity(EncodeBuffer &encodeBuffer, const Message *message,
+                                  const Message *cachedMessage,
+                                      ChannelCache *channelCache) const;
+
+  virtual void updateIdentity(DecodeBuffer &decodeBuffer, const Message *message,
+                                  ChannelCache *channelCache) const;
+
+  virtual void identityChecksum(const Message *message, const unsigned char *buffer,
+                                    unsigned int size, int bigEndian) const;
+
+  virtual void dumpIdentity(const Message *message) const;
+};
+
+#endif /* PolyArc_H */