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Diffstat (limited to 'nxcomp/src/ChangeGC.h')
| -rw-r--r-- | nxcomp/src/ChangeGC.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/nxcomp/src/ChangeGC.h b/nxcomp/src/ChangeGC.h new file mode 100644 index 000000000..9cac90e66 --- /dev/null +++ b/nxcomp/src/ChangeGC.h @@ -0,0 +1,185 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ +/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */ +/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */ +/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */ +/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/ +/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */ +/* */ +/* NXCOMP, NX protocol compression and NX extensions to this software */ +/* are copyright of the aforementioned persons and companies. */ +/* */ +/* Redistribution and use of the present software is allowed according */ +/* to terms specified in the file LICENSE.nxcomp which comes in the */ +/* source distribution. */ +/* */ +/* All rights reserved. */ +/* */ +/* NOTE: This software has received contributions from various other */ +/* contributors, only the core maintainers and supporters are listed as */ +/* copyright holders. Please contact us, if you feel you should be listed */ +/* as copyright holder, as well. */ +/* */ +/**************************************************************************/ + +#ifndef ChangeGC_H +#define ChangeGC_H + +#include "Message.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +// +// Set default values. +// + +#define CHANGEGC_ENABLE_CACHE 1 +#define CHANGEGC_ENABLE_DATA 0 +#define CHANGEGC_ENABLE_SPLIT 0 +#define CHANGEGC_ENABLE_COMPRESS 0 + +#define CHANGEGC_DATA_LIMIT 144 +#define CHANGEGC_DATA_OFFSET 12 + +#define CHANGEGC_CACHE_SLOTS 3000 +#define CHANGEGC_CACHE_THRESHOLD 3 +#define CHANGEGC_CACHE_LOWER_THRESHOLD 1 + +// +// The message class. +// + +class ChangeGCMessage : public Message +{ + friend class ChangeGCStore; + + public: + + ChangeGCMessage() + { + } + + ~ChangeGCMessage() + { + } + + // + // Put here the fields which constitute + // the 'identity' part of the message. + // + + private: + + unsigned int gcontext; + unsigned int value_mask; +}; + +class ChangeGCStore : public MessageStore +{ + // + // Constructors and destructors. + // + + public: + + ChangeGCStore() : MessageStore() + { + enableCache = CHANGEGC_ENABLE_CACHE; + enableData = CHANGEGC_ENABLE_DATA; + enableSplit = CHANGEGC_ENABLE_SPLIT; + enableCompress = CHANGEGC_ENABLE_COMPRESS; + + dataLimit = CHANGEGC_DATA_LIMIT; + dataOffset = CHANGEGC_DATA_OFFSET; + + cacheSlots = CHANGEGC_CACHE_SLOTS; + cacheThreshold = CHANGEGC_CACHE_THRESHOLD; + cacheLowerThreshold = CHANGEGC_CACHE_LOWER_THRESHOLD; + + messages_ -> resize(cacheSlots); + + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + *i = NULL; + } + + temporary_ = NULL; + } + + virtual ~ChangeGCStore() + { + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + destroy(*i); + } + + destroy(temporary_); + } + + virtual const char *name() const + { + return "ChangeGC"; + } + + virtual unsigned char opcode() const + { + return X_ChangeGC; + } + + virtual unsigned int storage() const + { + return sizeof(ChangeGCMessage); + } + + // + // Message handling methods. + // + + public: + + virtual Message *create() const + { + return new ChangeGCMessage(); + } + + virtual Message *create(const Message &message) const + { + return new ChangeGCMessage((const ChangeGCMessage &) message); + } + + virtual void destroy(Message *message) const + { + delete (ChangeGCMessage *) 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 identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const; + + virtual void dumpIdentity(const Message *message) 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; +}; + +#endif /* ChangeGC_H */ |