warpconnector.java

Tomcat 4.1与WebServer集成组件的源代码包.

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package org.apache.catalina.connector.warp;

import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Random;
import java.util.Vector;

import org.apache.catalina.Connector;
import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.Lifecycle;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.Logger;
import org.apache.catalina.Request;
import org.apache.catalina.Response;
import org.apache.catalina.Service;
import org.apache.catalina.net.DefaultServerSocketFactory;
import org.apache.catalina.net.ServerSocketFactory;
import org.apache.catalina.util.LifecycleSupport;

public class WarpConnector implements Connector, Lifecycle, Runnable {

    /* ==================================================================== */
    /* Instance variables                                                   */
    /* ==================================================================== */

    /* -------------------------------------------------------------------- */
    /* Local variables */

    /** The running thread accepting connections */
    private Thread thread=null;
    /** The server socket. */
    private ServerSocket server=null;
    /** Our <code>WarpLogger</code>. */
    private WarpLogger logger=null;
    /** Our list of deployed web applications. */
    private Vector applications=new Vector();
    /** The unique ID of this connector instance. */
    protected int uniqueId=-1;

    /* -------------------------------------------------------------------- */
    /* Bean variables */

    /** The <code>Container</code> instance processing requests. */
    private Container container=null;
    /** The "enable DNS lookups" flag. */
    private boolean enableLookups=false;
    /** The <code>ServerSocketFactory</code> used by this connector. */
    private ServerSocketFactory factory=null;
    /** The redirect port value for SSL requests. */
    private int redirectPort=443;
    /** The request scheme value. */
    private String scheme="warp";
    /** The secure flag of this <code>Connector</code>. */
    private boolean secure=false;
    /** The <code>Service</code> we are associated with (if any). */
    private Service service=null;
    /** Descriptive information of this <code>Connector</code>. */
    private String info=null;
    /** The address we need to bind to. */
    private String address=null;
    /** The port we need to bind to. */
    private int port=8008;
    /** The server socket backlog length. */
    private int acceptCount=10;
    /** The server appBase for hosts created via WARP. */
    private String appBase="webapps";
    /** The debug level. */
    private int debug=0;

    /* -------------------------------------------------------------------- */
    /* Lifecycle variables */

    /** The lifecycle event support for this component. */
    private LifecycleSupport lifecycle=new LifecycleSupport(this);
    /** The "initialized" flag. */
    private boolean initialized=false;
    /** The "started" flag. */
    private boolean started=false;

    /* ==================================================================== */
    /* Constructor                                                          */
    /* ==================================================================== */

    /**
     * Construct a new instance of a <code>WarpConnector</code>.
     */
    public WarpConnector() {
        super();
        this.logger=new WarpLogger(this);
        this.uniqueId=new Random().nextInt();
        if (Constants.DEBUG)
            logger.debug("Instance created (ID="+this.uniqueId+")");
    }

    /* ==================================================================== */
    /* Bean methods                                                         */
    /* ==================================================================== */

    /**
     * Return the <code>Container</code> instance which will process all
     * requests received by this <code>Connector</code>.
     */
    public Container getContainer() {
        return(this.container);
    }

    /**
     * Set the <code>Container</code> instance which will process all requests
     * received by this <code>Connector</code>.
     *
     * @param container The new Container to use
     */
    public void setContainer(Container container) {
        this.container=container;
        this.logger.setContainer(container);

        if (Constants.DEBUG) {
            if (container==null) logger.debug("Setting null container");
            else logger.debug("Setting container "+container.getClass());
        }
    }

    /**
     * Return the "enable DNS lookups" flag.
     */
    public boolean getEnableLookups() {
        return(this.enableLookups);
    }

    /**
     * Set the "enable DNS lookups" flag.
     *
     * @param enableLookups The new "enable DNS lookups" flag value
     */
    public void setEnableLookups(boolean enableLookups) {
        this.enableLookups=enableLookups;

        if (Constants.DEBUG) logger.debug("Setting lookup to "+enableLookups);
    }

    /**
     * Return the <code>ServerSocketFactory</code> used by this
     * <code>Connector</code> to generate <code>ServerSocket</code> instances.
     */
    public ServerSocketFactory getFactory() {
        if (this.factory==null) {
            synchronized(this) {
                if (Constants.DEBUG) logger.debug("Creating factory");
                this.factory=new DefaultServerSocketFactory();
            }
        }
        return(this.factory);
    }

    /**
     * Set the <code>ServerSocketFactory</code> used by this
     * <code>Connector</code> to generate <code>ServerSocket</code> instances.
     *
     * @param factory The new server socket factory
     */
    public void setFactory(ServerSocketFactory factory) {
        if (factory==null) throw new NullPointerException();
        this.factory=factory;

        if (Constants.DEBUG)
            logger.debug("Setting factory "+factory.getClass().getName());
    }

    /**
     * Return the port number to which a request should be redirected if
     * it comes in on a non-SSL port and is subject to a security constraint
     * with a transport guarantee that requires SSL.
     */
    public int getRedirectPort() {
        return(this.redirectPort);
    }

    /**
     * Set the redirect port number.
     *
     * @param redirectPort The redirect port number (non-SSL to SSL)
     */
    public void setRedirectPort(int redirectPort) {
        if ((redirectPort<1) || (redirectPort>65535))
            throw new IllegalArgumentException("Invalid port "+redirectPort);
        this.redirectPort=redirectPort;

        if (Constants.DEBUG)
            logger.debug("Setting redirection port to "+redirectPort);
    }

    /**
     * Return the scheme that will be assigned to requests received
     * through this connector.  Default value is "warp".
     */
    public String getScheme() {
        return(this.scheme);
    }

    /**
     * Set the scheme that will be assigned to requests received through
     * this connector.
     *
     * @param scheme The new scheme
     */
    public void setScheme(String scheme) {
        if (scheme==null) throw new NullPointerException();
        this.scheme=scheme;

        if (Constants.DEBUG) logger.debug("Setting scheme to "+scheme);
    }

    /**
     * Return the secure connection flag that will be assigned to requests
     * received through this connector.  Default value is "false".
     */
    public boolean getSecure() {
        return(this.secure);
    }

    /**
     * Set the secure connection flag that will be assigned to requests
     * received through this connector.
     *
     * @param secure The new secure connection flag
     */
    public void setSecure(boolean secure) {
        this.secure=secure;

        if (Constants.DEBUG) logger.debug("Setting secure to "+secure);
    }

    /**
     * Return the <code>Service</code> with which we are associated (if any).
     */
    public Service getService() {

        return (this.service);

    }


    /**
     * Set the <code>Service</code> with which we are associated (if any).