1 files changed, 158 insertions, 0 deletions
diff --git a/nxcomp/SetUnpackAlpha.h b/nxcomp/SetUnpackAlpha.h
new file mode 100755
index 000000000..a0ac49424
--- /dev/null
+++ b/nxcomp/SetUnpackAlpha.h
@@ -0,0 +1,158 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2007 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 NoMachine S.r.l.                    */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+#ifndef SetUnpackAlpha_H
+#define SetUnpackAlpha_H
+
+#include "Message.h"
+
+//
+// Set the verbosity level.
+//
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+#undef  DUMP
+
+//
+// Set default values.
+//
+
+#define SETUNPACKALPHA_ENABLE_CACHE                       1
+#define SETUNPACKALPHA_ENABLE_DATA                        1
+#define SETUNPACKALPHA_ENABLE_SPLIT                       0
+#define SETUNPACKALPHA_ENABLE_COMPRESS                    1
+
+#define SETUNPACKALPHA_DATA_LIMIT                         16384
+#define SETUNPACKALPHA_DATA_OFFSET                        8
+
+#define SETUNPACKALPHA_CACHE_SLOTS                        2000
+#define SETUNPACKALPHA_CACHE_THRESHOLD                    10
+#define SETUNPACKALPHA_CACHE_LOWER_THRESHOLD              5
+
+#define SETUNPACKALPHA_DATA_OFFSET_IF_PROTO_STEP_7        16
+#define SETUNPACKALPHA_ENABLE_SPLIT_IF_PROTO_STEP_7       1
+#define SETUNPACKALPHA_ENABLE_COMPRESS_IF_PROTO_STEP_7    0
+
+#define SETUNPACKALPHA_ENABLE_SPLIT_IF_PROTO_STEP_8       0
+
+//
+// The message class.
+//
+
+class SetUnpackAlphaMessage : public Message
+{
+  friend class SetUnpackAlphaStore;
+
+  public:
+
+  SetUnpackAlphaMessage()
+  {
+  }
+
+  ~SetUnpackAlphaMessage()
+  {
+  }
+
+  //
+  // Put here the fields which constitute 
+  // the 'identity' part of the message.
+  //
+
+  private:
+
+  unsigned char client;
+  unsigned char method;
+
+  unsigned int src_length;
+  unsigned int dst_length;
+};
+
+class SetUnpackAlphaStore : public MessageStore
+{
+  public:
+
+  SetUnpackAlphaStore(StaticCompressor *compressor);
+
+  virtual ~SetUnpackAlphaStore();
+
+  virtual const char *name() const
+  {
+    return "SetUnpackAlpha";
+  }
+
+  virtual unsigned char opcode() const
+  {
+    return X_NXSetUnpackAlpha;
+  }
+
+  virtual unsigned int storage() const
+  {
+    return sizeof(SetUnpackAlphaMessage);
+  }
+
+  //
+  // Message handling methods.
+  //
+
+  protected:
+
+  virtual Message *create() const
+  {
+    return new SetUnpackAlphaMessage();
+  }
+
+  virtual Message *create(const Message &message) const
+  {
+    return new SetUnpackAlphaMessage((const SetUnpackAlphaMessage &) message);
+  }
+
+  virtual void destroy(Message *message) const
+  {
+    delete (SetUnpackAlphaMessage *) message;
+  }
+
+  virtual int encodeIdentity(EncodeBuffer &encodeBuffer, const unsigned char *buffer,
+                                 const unsigned int size, int bigEndian,
+                                     ChannelCache *channelCache) const;
+
+  virtual int decodeIdentity(DecodeBuffer &decodeBuffer, unsigned char *&buffer,
+                                 unsigned int &size, int bigEndian, WriteBuffer *writeBuffer,
+                                     ChannelCache *channelCache) const;
+
+  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 /* SetUnpackAlpha_H */