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-rw-r--r--nxcomp/SetUnpackAlpha.h158
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diff --git a/nxcomp/SetUnpackAlpha.h b/nxcomp/SetUnpackAlpha.h
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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. */
+/* */
+/**************************************************************************/
+
+#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 */