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87 lines
2.6 KiB
87 lines
2.6 KiB
/***************************************************************************
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* Copyright (C) 2005 by Joris Guisson *
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* joris.guisson@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef BTUPSPEEDESTIMATER_H
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#define BTUPSPEEDESTIMATER_H
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#include <tqvaluelist.h>
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#include <util/constants.h>
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namespace bt
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{
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/**
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* @author Joris Guisson
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*
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* Measures upload speed.
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*/
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class UpSpeedEstimater
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{
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struct Entry
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{
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Uint32 bytes;
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TimeStamp start_time;
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Uint32 duration;
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bool data;
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};
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public:
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UpSpeedEstimater();
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virtual ~UpSpeedEstimater();
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/**
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* Start sending bytes.
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* @param bytes The number of bytes
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* @param rec Wether to record or not (i.e. is this data)
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*/
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void writeBytes(Uint32 bytes,bool rec);
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/**
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* The socket has finished sending bytes.
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* @param bytes The number of bytes.
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*/
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void bytesWritten(Uint32 bytes);
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/**
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* Update the upload speed estimater.
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*/
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void update();
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/// Get the upload rate
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double uploadRate() const {return upload_rate;}
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/// Get the protocol overhead
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double protocollOverhead() const {return proto_upload_rate;}
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private:
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double rate(TQValueList<Entry> & el);
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private:
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double upload_rate;
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double proto_upload_rate;
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Uint32 accumulated_bytes;
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TQValueList<Entry> outstanding_bytes;
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TQValueList<Entry> written_bytes;
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#ifdef MEASURE_PROTO_OVERHEAD
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TQValueList<Entry> proto_bytes;
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#endif
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};
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}
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#endif
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