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Push Framework - A C++ toolkit for high performance server development

, 23 May 2012 Apache
Write asynchronous, multithreaded servers in a few lines of code. Monitor realtime activity with a deploy-only dashboard.
ChatApplication.zip
ChatAPI
ChatClient
res
.svn
entries
prop-base
ChatClient.ico.svn-base
props
text-base
ChatClient.ico.svn-base
ChatClient.rc2.svn-base
tmp
prop-base
props
text-base
ChatClient.ico
ChatPackets
ChatProtocol
ChatServer
ChatServer.vcproj.INTERNAL.Ahmed.Charfeddine.user
output
ChatServer.ini
TCPSocket
TCPSocket.zip
XMLProtocol
XMLProtocol.zip
ChatRobots.zip
ChatRobots
ChatRobots.ini
ProtoBufExample.zip
ProtoBufExampleClient
ProtoBufExampleProtocol
requests.pb.cc
responses.pb.cc
ProtoBufExampleServer
PushFramework_Essentials.zip
include
PushFramework.dll
PushFramework.lib
PushFramework_Sources.zip
private
QoS.zip
QoSExampleClient
QoSExampleProtocol
QoSExampleServer
/********************************************************************
	File :			DurationMeasure.cpp
	Creation date :	2010/6/27
		
	License :			Copyright 2010 Ahmed Charfeddine, http://www.pushframework.com

				   Licensed under the Apache License, Version 2.0 (the "License");
				   you may not use this file except in compliance with the License.
				   You may obtain a copy of the License at
				
					   http://www.apache.org/licenses/LICENSE-2.0
				
				   Unless required by applicable law or agreed to in writing, software
				   distributed under the License is distributed on an "AS IS" BASIS,
				   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
				   See the License for the specific language governing permissions and
				   limitations under the License.
	
	
*********************************************************************/
#include "StdAfx.h"
#include "DurationMeasure.h"



namespace PushFramework{


DurationMeasure::~DurationMeasure(void)
{
}

double DurationMeasure::getMean()
{
	double total = 0;
	double count = 0;
	for (durationVectT::iterator it=durationVect.begin();
		it!=durationVect.end();
		it++)
	{
		total+= *it;
		count++;
	}
	return total / count;
}

double DurationMeasure::getDispersion( double mean )
{
	double temp= 0;
	double count = 0;
	for (durationVectT::iterator it=durationVect.begin();
		it!=durationVect.end();
		it++)
	{
		temp += pow( (*it) - mean,2);
		count++;
	}
	return sqrt(temp/count);
}

std::string DurationMeasure::collectAndReset( std::string timeStamp )
{
	//Calculate Avg and dispersion
	double mean = getMean();
	double dispersion = getDispersion(mean);

	std::stringstream ss;
	ss << std::noskipws;

	ss << "<" << name << ">";
	ss << "<average value=\"" << mean << "\"/>";
	ss << "<dispersion value=\"" << dispersion << "\"/>";
	ss << "</" << name << ">";

	std::string retVal = ss.str();


	//Reset
	durationVect.clear();

	return retVal;
}

DurationMeasure::DurationMeasure( std::string name )
:Measure(name)
{
	//
}

void DurationMeasure::addObservation( MeasureArgs& args )
{
	DurationMeasureArgs& myArgs = (DurationMeasureArgs&) args;
	durationVect.push_back(myArgs.duration);
}

}

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License

This article, along with any associated source code and files, is licensed under The Apache License, Version 2.0

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About the Author

Ahmed Charfeddine
Technical Lead
Tunisia Tunisia
Services:
http://www.pushframework.com/?page_id=890
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Web01 | 2.8.141015.1 | Last Updated 23 May 2012
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