/**
* Returns a {@link TrafficComponent} instance for the given traffic model. The component returned
* may be a {@link TrafficSourceComponent} or a {@link TrafficShaperComponent}, depending on the
* nature of the traffic model.
*/
public static TrafficComponent getTrafficComponent(TrafficModel traffic_) {
if (traffic_ instanceof traffic_PeakRate) {
if (traffic_ instanceof traffic_FixedPoints)
return new tsFixedPoints((traffic_FixedPoints) traffic_);
else return new tsPeakRate((traffic_PeakRate) traffic_);
}
if (traffic_ instanceof traffic_TokenBucket)
return new TrafficShaperComponent(new tsTokenBucket((traffic_TokenBucket) traffic_));
if (traffic_ instanceof traffic_CDSmooth)
return new TrafficShaperComponent(new tsCDSmooth((traffic_CDSmooth) traffic_));
if (traffic_ instanceof traffic_RTSmooth)
return new TrafficShaperComponent(new tsRTSmooth((traffic_RTSmooth) traffic_));
if (traffic_ instanceof traffic_PacketTrain)
return new tsPacketTrain((traffic_PacketTrain) traffic_);
if (traffic_ instanceof traffic_ExpOnOff) return new tsExpOnOff((traffic_ExpOnOff) traffic_);
if (traffic_ instanceof traffic_ParetoOnOff)
return new tsParetoOnOff((traffic_ParetoOnOff) traffic_);
if (traffic_ instanceof traffic_Periodic)
return new TrafficShaperComponent(new tsPeriodic((traffic_Periodic) traffic_));
if (traffic_ instanceof traffic_OnOff) return new tsOnOff((traffic_OnOff) traffic_);
Class class_ = null;
try {
String className_ = traffic_.getClass().getName();
// suppose component is in the same package as the traffic model
// class. So className is in the form of
// "<PackageName>.traffic_XYZ", convert it to
// "<PackageName>.tsXYZ"
int index_ = className_.lastIndexOf(".");
String packageName_ = index_ >= 0 ? className_.substring(0, index_ + 1) : "";
className_ = index_ >= 0 ? className_.substring(index_ + 1) : className_;
className_ = packageName_ + "ts" + className_.substring(8);
class_ = Class.forName(className_);
TrafficComponent tc_ = null;
if (TrafficShaper.class.isAssignableFrom(class_))
tc_ = new TrafficShaperComponent((TrafficShaper) class_.newInstance());
else tc_ = (TrafficComponent) class_.newInstance();
tc_.setTrafficModel(traffic_);
return tc_;
} catch (ClassNotFoundException e_) {
drcl.Debug.error("Cannot find traffic component for " + traffic_.getClass());
} catch (InstantiationException e_) {
drcl.Debug.error(e_.toString());
} catch (IllegalAccessException e_) {
drcl.Debug.error(e_.toString());
}
return null;
}
/** Returns a {@link TrafficShaper} instance for the given traffic model. */
public static TrafficShaper getTrafficShaper(TrafficModel traffic_) {
// FIXME: hard-coded
if (traffic_ instanceof traffic_TokenBucket)
return new tsTokenBucket((traffic_TokenBucket) traffic_);
if (traffic_ instanceof traffic_CDSmooth) return new tsCDSmooth((traffic_CDSmooth) traffic_);
if (traffic_ instanceof traffic_RTSmooth) return new tsRTSmooth((traffic_RTSmooth) traffic_);
if (traffic_ instanceof traffic_Periodic) return new tsPeriodic((traffic_Periodic) traffic_);
try {
String className_ = traffic_.getClass().getName();
// suppose className is in the form of "traffic_XYZ",
// convert it to "tsXYZ"
Class class_ = Class.forName("ts" + className_.substring(8));
TrafficShaper ts_ = (TrafficShaper) class_.newInstance();
ts_.setTrafficModel(traffic_);
return ts_;
} catch (Exception e_) {
drcl.Debug.error("Cannot find traffic shaper class for " + traffic_.getClass());
return null;
}
}
