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SAR.h

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00001 #ifndef __SAR_H
00002 #define __SAR_H
00003 
00004 #include "TpPacket.h"
00005 #include "ReceiveWindow.h"
00006 #include "SendWindow.h"
00007 #include "BasicObject.h"
00008 
00009 class SAR : public BasicObject
00010 {
00011 public:
00012     SAR(PacketWriter* packetWriter, int serviceNumber);
00013     virtual ~SAR();
00014 
00015     TimeValue getAverageRtt();
00016     
00017     void connectionClosed();
00018 
00019     // called by TransportLayer
00020     int reliableSend(u_char* data, int length);
00021     int receive(u_char* buffer, int bufferLength);
00022     
00023     // used by service table and sliding windows
00024     int sendDataPacket(TpPacket* packet);
00025     void receivePacket(TpPacket* packet);
00026 
00027     virtual void toStream(std::ostream&);
00028 
00029 private:
00031     ReceiveWindow* m_receive; 
00032 
00034     SendWindow* m_send;
00035 
00037     int m_serviceNumber;
00038     
00040     PacketWriter* m_packetWriter;
00041 
00043     u_char* m_buffer;
00044 
00046     int m_mesgLen;
00047 
00049     int m_totalLen;
00050 };
00051 
00052 #endif //#define __SAR_H

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