Base class for different churn models. More...

#include <ChurnGenerator.h>

Inheritance diagram for ChurnGenerator:

Public Member Functions
virtual int	numInitStages () const
virtual void	initialize (int stage)
virtual void	initializeChurn ()=0
virtual void	handleMessage (cMessage *msg)=0
void	setNodeType (const NodeType &t)
const NodeType &	getNodeType ()

Public Attributes
bool	init
	still in initialization phase?
int	terminalCount
	current number of overlay terminals

Protected Member Functions
virtual void	updateDisplayString ()=0

Protected Attributes
UnderlayConfigurator *	underlayConfigurator
int	targetOverlayTerminalNum
	final number of overlay terminals
NodeType	type
	the nodeType this generator is responsible for

Detailed Description

Base class for different churn models.

Definition at line 57 of file ChurnGenerator.h.

Member Function Documentation

const NodeType& ChurnGenerator::getNodeType ( )

inline

Definition at line 65 of file ChurnGenerator.h.

{ return type; }

virtual void ChurnGenerator::handleMessage ( cMessage * msg )

pure virtual

Implemented in ParetoChurn, LifetimeChurn, NoChurn, TraceChurn, and RandomChurn.

void ChurnGenerator::initialize ( int stage )

virtual

Definition at line 27 of file ChurnGenerator.cc.

{
    // because of IPAddressResolver, we need to wait until interfaces are registered,
    // address auto-assignment takes place etc.
    if (stage != MAX_STAGE_UNDERLAY)
        return;
    if (type.typeID == -1) {
        opp_error("NodeType not set when initializing ChurnGenerator");
    }
    underlayConfigurator = UnderlayConfiguratorAccess().get();
    // get desired # of terminals
    targetOverlayTerminalNum = par("targetOverlayTerminalNum");
    type.channelTypesTx = cStringTokenizer(par("channelTypes"), " ").asVector();
    type.channelTypesRx = cStringTokenizer(par("channelTypesRx"), " ").asVector();
    
    if (type.channelTypesRx.size() != type.channelTypesTx.size()) {
        type.channelTypesRx = type.channelTypesTx;
    }
    
    terminalCount = 0;
    init = true;
    updateDisplayString();
    WATCH(terminalCount);
    initializeChurn();
}