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Diffstat (limited to 'nxcomp/SendEvent.h')
| -rw-r--r-- | nxcomp/SendEvent.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/nxcomp/SendEvent.h b/nxcomp/SendEvent.h new file mode 100644 index 000000000..9426180a4 --- /dev/null +++ b/nxcomp/SendEvent.h @@ -0,0 +1,187 @@ +/**************************************************************************/ +/* */ +/* 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 SendEvent_H +#define SendEvent_H + +#include "Message.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG +#undef DUMP + +// +// Set default values. +// + +#define SENDEVENT_ENABLE_CACHE 1 +#define SENDEVENT_ENABLE_DATA 0 +#define SENDEVENT_ENABLE_SPLIT 0 +#define SENDEVENT_ENABLE_COMPRESS 0 + +#define SENDEVENT_DATA_LIMIT 24 +#define SENDEVENT_DATA_OFFSET 20 + +#define SENDEVENT_CACHE_SLOTS 2000 +#define SENDEVENT_CACHE_THRESHOLD 2 +#define SENDEVENT_CACHE_LOWER_THRESHOLD 1 + +// +// The message class. +// + +class SendEventMessage : public Message +{ + friend class SendEventStore; + + public: + + SendEventMessage() + { + } + + ~SendEventMessage() + { + } + + // + // Put here the fields which constitute + // the 'identity' part of the message. + // + + private: + + unsigned char propagate; + unsigned int window; + unsigned int mask; + + // + // These are part of the event data. + // + + unsigned char code; + unsigned char byte_data; + unsigned short sequence; + unsigned int int_data; +}; + +class SendEventStore : public MessageStore +{ + // + // Constructors and destructors. + // + + public: + + SendEventStore() : MessageStore() + { + enableCache = SENDEVENT_ENABLE_CACHE; + enableData = SENDEVENT_ENABLE_DATA; + enableSplit = SENDEVENT_ENABLE_SPLIT; + enableCompress = SENDEVENT_ENABLE_COMPRESS; + + dataLimit = SENDEVENT_DATA_LIMIT; + dataOffset = SENDEVENT_DATA_OFFSET; + + cacheSlots = SENDEVENT_CACHE_SLOTS; + cacheThreshold = SENDEVENT_CACHE_THRESHOLD; + cacheLowerThreshold = SENDEVENT_CACHE_LOWER_THRESHOLD; + + messages_ -> resize(cacheSlots); + + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + *i = NULL; + } + + temporary_ = NULL; + } + + virtual ~SendEventStore() + { + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + destroy(*i); + } + + destroy(temporary_); + } + + virtual const char *name() const + { + return "SendEvent"; + } + + virtual unsigned char opcode() const + { + return X_SendEvent; + } + + virtual unsigned int storage() const + { + return sizeof(SendEventMessage); + } + + // + // Message handling methods. + // + + public: + + virtual Message *create() const + { + return new SendEventMessage(); + } + + virtual Message *create(const Message &message) const + { + return new SendEventMessage((const SendEventMessage &) message); + } + + virtual void destroy(Message *message) const + { + delete (SendEventMessage *) 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 /* SendEvent_H */ |