diff options
Diffstat (limited to 'nxcomp/src/GenericRequest.h')
| -rw-r--r-- | nxcomp/src/GenericRequest.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/nxcomp/src/GenericRequest.h b/nxcomp/src/GenericRequest.h new file mode 100644 index 000000000..13ffea718 --- /dev/null +++ b/nxcomp/src/GenericRequest.h @@ -0,0 +1,160 @@ +/**************************************************************************/ +/* */ +/* 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 GenericRequest_H +#define GenericRequest_H + +#include "Message.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +// +// Set default values. +// + +#define GENERICREQUEST_ENABLE_CACHE 1 +#define GENERICREQUEST_ENABLE_DATA 1 +#define GENERICREQUEST_ENABLE_SPLIT 0 + +#define GENERICREQUEST_DATA_LIMIT 262144 - 20 +#define GENERICREQUEST_DATA_OFFSET 20 + +#define GENERICREQUEST_CACHE_SLOTS 400 +#define GENERICREQUEST_CACHE_THRESHOLD 5 +#define GENERICREQUEST_CACHE_LOWER_THRESHOLD 1 + +#define GENERICREQUEST_ENABLE_COMPRESS_IF_PROTO_STEP_7 0 + +// +// The message class. +// + +class GenericRequestMessage : public Message +{ + friend class GenericRequestStore; + + public: + + GenericRequestMessage() + { + } + + ~GenericRequestMessage() + { + } + + // + // Note that we consider for this message a data offset + // of 4 (or 20 starting from protocol 3). Bytes from 9 + // to 20, if present, are taken as part of identity and + // encoded through an array of int caches. + // + + private: + + unsigned char opcode; + unsigned short data[8]; +}; + +class GenericRequestStore : public MessageStore +{ + public: + + GenericRequestStore(StaticCompressor *compressor); + + virtual ~GenericRequestStore(); + + virtual const char *name() const + { + return "GenericRequest"; + } + + virtual unsigned char opcode() const + { + return X_NXInternalGenericRequest; + } + + virtual unsigned int storage() const + { + return sizeof(GenericRequestMessage); + } + + // + // Message handling methods. + // + + public: + + virtual Message *create() const + { + return new GenericRequestMessage(); + } + + virtual Message *create(const Message &message) const + { + return new GenericRequestMessage((const GenericRequestMessage &) message); + } + + virtual void destroy(Message *message) const + { + delete (GenericRequestMessage *) 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 /* GenericRequest_H */ |