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Diffstat (limited to 'nxcomp/GenericReply.h')
| -rw-r--r-- | nxcomp/GenericReply.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/nxcomp/GenericReply.h b/nxcomp/GenericReply.h new file mode 100644 index 000000000..de97b86d0 --- /dev/null +++ b/nxcomp/GenericReply.h @@ -0,0 +1,154 @@ +/**************************************************************************/ +/* */ +/* 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 GenericReply_H +#define GenericReply_H + +#include "Message.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +// +// Set default values. +// + +#define GENERICREPLY_ENABLE_CACHE 1 +#define GENERICREPLY_ENABLE_DATA 1 +#define GENERICREPLY_ENABLE_SPLIT 0 +#define GENERICREPLY_ENABLE_COMPRESS 1 + +#define GENERICREPLY_DATA_LIMIT 1048576 - 32 +#define GENERICREPLY_DATA_OFFSET 32 + +#define GENERICREPLY_CACHE_SLOTS 400 +#define GENERICREPLY_CACHE_THRESHOLD 5 +#define GENERICREPLY_CACHE_LOWER_THRESHOLD 1 + +#define GENERICREPLY_ENABLE_COMPRESS_IF_PROTO_STEP_7 0 + +// +// The message class. +// + +class GenericReplyMessage : public Message +{ + friend class GenericReplyStore; + + public: + + GenericReplyMessage() + { + } + + ~GenericReplyMessage() + { + } + + // + // Put here the fields which constitute the + // 'identity' part of the message. Starting + // from protocol level 3 we use short data + // to increase cache efficiency. + // + + private: + + unsigned char byte_data; + unsigned int int_data[6]; + unsigned short short_data[12]; +}; + +class GenericReplyStore : public MessageStore +{ + public: + + GenericReplyStore(StaticCompressor *compressor); + + virtual ~GenericReplyStore(); + + virtual const char *name() const + { + return "GenericReply"; + } + + virtual unsigned char opcode() const + { + return X_NXInternalGenericReply; + } + + virtual unsigned int storage() const + { + return sizeof(GenericReplyMessage); + } + + // + // Message handling methods. + // + + protected: + + virtual Message *create() const + { + return new GenericReplyMessage(); + } + + virtual Message *create(const Message &message) const + { + return new GenericReplyMessage((const GenericReplyMessage &) message); + } + + virtual void destroy(Message *message) const + { + delete (GenericReplyMessage *) 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 /* GenericReply_H */ |