Proxy.java

package edu.colostate.vchill.proxy;

import edu.colostate.vchill.*;
import edu.colostate.vchill.cache.CacheMain;
import edu.colostate.vchill.chill.ChillFieldInfo;

import java.io.IOException;

/**
 * Abstract driver class for a proxy server.  Listens to socket requests and
 * creates new threads to handle them.
 *
 * @author Alexander Deyke
 * @author Jochen Deyke
 * @author jpont
 * @version 2010-08-30
 */
public abstract class Proxy {
    protected static final ScaleManager sm = ScaleManager.getInstance();

    /**
     * shared cache
     */
    protected CacheMain cache;

    /**
     * archive server to connect to
     */
    protected String serverName = "radar.chill.colostate.edu";
    protected int serverPort = 2510;

    /**
     * port to listen on
     */
    protected int listenPort = 2510;

    /**
     * idle timeout, defaults to 1 hour
     */
    protected long timeout = 3600000;

    /**
     * size of cache
     */
    protected int cacheSize = ChillFieldInfo.types.length * 10;

    /**
     * should the server calculate hybrid data types or not
     */
    protected boolean calcflag = true;

    /**
     * password for shutting down the proxy
     */
    protected String password = "secret";

    /**
     * should output be in gui rather than stdout/err?
     */
    protected boolean guiflag = false;

    /**
     * Puts the current thread to sleep for <code>millis</code> milliseconds.
     * This just calls Thread.sleep, but includes an empty catch block for the
     * possible InterruptedException.
     *
     * @param millis the number of milliseconds to sleep for
     */
    public static void sleep(final int millis) {
        try {
            Thread.sleep(millis);
        } catch (InterruptedException ie) {
        }
    }

    protected void addCalculatedTypeScales() {
        if (calcflag) {
            System.out.println("adding calculated data types to scale manager");
            sm.putScale(HdrUtil.scale);
            sm.putScale(NcpPlusUtil.scale);
            sm.putScale(KdpUtil.scale);
            sm.putScale(RainUtil.scale);
            for (String type : sm.getTypes()) System.out.println(" - " + type);
            System.out.println("done adding calculated data types to scale manager");
        }
    }

    public CacheMain getCache() {
        return this.cache;
    }

    public String getServerName() {
        return this.serverName;
    }

    public int getServerPort() {
        return this.serverPort;
    }

    public long getTimeout() {
        return this.timeout;
    }

    public boolean getCalcFlag() {
        return this.calcflag;
    }

    public abstract void run() throws IOException;
}