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Diffstat (limited to 'nxcomp/ChangeProperty.h')
| -rw-r--r-- | nxcomp/ChangeProperty.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/nxcomp/ChangeProperty.h b/nxcomp/ChangeProperty.h new file mode 100644 index 000000000..f941fced9 --- /dev/null +++ b/nxcomp/ChangeProperty.h @@ -0,0 +1,181 @@ +/**************************************************************************/ +/* */ +/* 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 ChangeProperty_H +#define ChangeProperty_H + +#include "Message.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +// +// Set default values. +// + +#define CHANGEPROPERTY_ENABLE_CACHE 1 +#define CHANGEPROPERTY_ENABLE_DATA 0 +#define CHANGEPROPERTY_ENABLE_SPLIT 0 +#define CHANGEPROPERTY_ENABLE_COMPRESS 0 + +#define CHANGEPROPERTY_DATA_LIMIT 28688 +#define CHANGEPROPERTY_DATA_OFFSET 24 + +#define CHANGEPROPERTY_CACHE_SLOTS 2000 +#define CHANGEPROPERTY_CACHE_THRESHOLD 2 +#define CHANGEPROPERTY_CACHE_LOWER_THRESHOLD 1 + +// +// The message class. +// + +class ChangePropertyMessage : public Message +{ + friend class ChangePropertyStore; + + public: + + ChangePropertyMessage() + { + } + + ~ChangePropertyMessage() + { + } + + // + // Put here the fields which constitute + // the 'identity' part of the message. + // + + private: + + unsigned char mode; + unsigned char format; + unsigned int window; + unsigned int property; + unsigned int type; + unsigned int length; +}; + +class ChangePropertyStore : public MessageStore +{ + // + // Constructors and destructors. + // + + public: + + ChangePropertyStore() : MessageStore() + { + enableCache = CHANGEPROPERTY_ENABLE_CACHE; + enableData = CHANGEPROPERTY_ENABLE_DATA; + enableSplit = CHANGEPROPERTY_ENABLE_SPLIT; + enableCompress = CHANGEPROPERTY_ENABLE_COMPRESS; + + dataLimit = CHANGEPROPERTY_DATA_LIMIT; + dataOffset = CHANGEPROPERTY_DATA_OFFSET; + + cacheSlots = CHANGEPROPERTY_CACHE_SLOTS; + cacheThreshold = CHANGEPROPERTY_CACHE_THRESHOLD; + cacheLowerThreshold = CHANGEPROPERTY_CACHE_LOWER_THRESHOLD; + + messages_ -> resize(cacheSlots); + + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + *i = NULL; + } + + temporary_ = NULL; + } + + virtual ~ChangePropertyStore() + { + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + destroy(*i); + } + + destroy(temporary_); + } + + virtual const char *name() const + { + return "ChangeProperty"; + } + + virtual unsigned char opcode() const + { + return X_ChangeProperty; + } + + virtual unsigned int storage() const + { + return sizeof(ChangePropertyMessage); + } + + // + // Message handling methods. + // + + public: + + virtual Message *create() const + { + return new ChangePropertyMessage(); + } + + virtual Message *create(const Message &message) const + { + return new ChangePropertyMessage((const ChangePropertyMessage &) message); + } + + virtual void destroy(Message *message) const + { + delete (ChangePropertyMessage *) 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 /* ChangeProperty_H */ |