package radtest.server;

import java.util.*;
import com.theorem.radserver3.*;

public class ProxyPacketTimeout extends TimerTask
{
	// Special realm that indicates we're at the end of the list.
	final String  EOL ="EnDoFtIMeRlISt";

	// Our proxy client.
	private ProxyClient proxyClient;
	// Timer object for this timer task.
	private Timer timer;
	// List of ProxyTargets to try.
	private ArrayList realmList = new ArrayList();
	// Counter in the pc list for the current ProxyClient.
	private int counter = 0;
	// Interval between transmissions.
	long interval;
	// List of timer objects.
	ArrayList timerList;

	/**
	* Constructor.
	* @param timer Our timer object for rescheduling.
	* @param proxyClient Our ProxyClient object.
	* @param timerList List of existing timers from which we can delete ourselves.
	*/
	public ProxyPacketTimeout(Timer timer, ProxyClient proxyClient, ArrayList timerList)
	{
		this.timer = timer;
		this.proxyClient = proxyClient;
		this.timerList = timerList;
	}

	/**
	* Set the interval in seconds between attempts.
	* @param seconds Time between sucessive transmissions.
	*/
	public void setInterval(int seconds)
	{
		interval = (long) seconds * 1000L;
	}

	/**
	* Add a proxy client to the list.
	* @param realm Realm to try.
	*/
	public void addRealm(String realm)
	{
		realmList.add(realm);
	}

	/**
	* Start the transmissions.
	*/
	public void go()
	{
		// Add a special entry that wil delete ourselves from the timerList.
		realmList.add(EOL);
		timer.scheduleAtFixedRate(this, new Date(), interval);
	}

	public void run()
	{
		if (counter >= realmList.size())
		{
			// Stop the timer, we've run out of realms
			timer.cancel();
			return;
		}

		String realm = null;
		realm = (String) realmList.get(counter++);

		// If the special EOL name is present remove ourselves
		// from the timerList removing our JVM reference.
		if (realm.equals(EOL))
		{
			timerList.remove(timer);
			return;
		}

		try {
			proxyClient.send(realm, this);
		} catch (RADIUSServerException rse) {
			System.out.println(rse.getMessage());
		}
	}

}