edu.cmu.emulator.boot
Class NodeMonitor

java.lang.Object
  edu.cmu.emulator.boot.NodeMonitor

All Implemented Interfaces:

Runnable

public class NodeMonitor
extends Object
implements Runnable

Field Summary

private static int	MONITOR_PORT
protected long	monitorIntervalMillis
protected ArrayList<InetAddress>	nodeIPs
protected boolean	running
protected Runtime	runtime
protected String	statusDir

Constructor Summary

NodeMonitor(String statusDir, int monitorIntervalSecs)

Method Summary

void	addNode(byte[] ip)
void	addNode(byte[] baseIP, int nodeNum)
void	addNode(InetAddress inetAddr)
boolean	checkNode(InetAddress nodeIP)
protected String	ipToString(InetAddress ip)
static void	main(String[] args)
void	run()
void	start()
void	updateStatus(InetAddress inetAddr, boolean status)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

statusDir

protected String statusDir

nodeIPs

protected ArrayList<InetAddress> nodeIPs

monitorIntervalMillis

protected long monitorIntervalMillis

running

protected boolean running

runtime

protected Runtime runtime

MONITOR_PORT

private static final int MONITOR_PORT

See Also:

Constant Field Values

Constructor Detail

NodeMonitor

public NodeMonitor(String statusDir,
                   int monitorIntervalSecs)

Method Detail

start

public void start()

run

public void run()

Specified by:

run in interface Runnable

checkNode

public boolean checkNode(InetAddress nodeIP)

updateStatus

public void updateStatus(InetAddress inetAddr,
                         boolean status)

ipToString

protected String ipToString(InetAddress ip)

addNode

public void addNode(byte[] baseIP,
                    int nodeNum)
             throws UnknownHostException

Throws:

UnknownHostException

addNode

public void addNode(byte[] ip)
             throws UnknownHostException

Throws:

UnknownHostException

addNode

public void addNode(InetAddress inetAddr)

main

public static final void main(String[] args)