?? javishandler.java.svn-base
字號:
package jns.trace;
import jns.Simulator;
import jns.element.Node;
import jns.util.IPAddr;
import java.io.BufferedWriter;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Hashtable;
/**
JavisHandler is an abstract superclass for every class that wants to handle
events and output information about them in javis/nam trace-file format.
*/
public abstract class JavisHandler
{
protected Hashtable m_parameter;
public JavisHandler()
{
}
/**
Do the actual event handling.
@param e the event to handle
@param w where to write the information
*/
public abstract void handleEvent(Event e, BufferedWriter w) throws IOException;
/**
translateIP is used by subclasses to translate JNS's IP addresses to
Javis'/NAM's inferior node-numbering model.
@param addr the IP address to translate
@return a node number
*/
protected static int translateIP(IPAddr addr)
{
for(Enumeration e = Simulator.getInstance().enumerateElements();
e.hasMoreElements();)
{
Object curelement = e.nextElement();
if(curelement instanceof Node)
{
Node curnode = (Node) curelement;
if(curnode.hasIPAddress(addr)) return curnode.getNumber();
}
}
return 0;
}
}
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