http11protocol.java

Tomcat 4.1与WebServer集成组件的源代码包.

/*
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights 
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:  
 *       "This product includes software developed by the 
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
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 * 5. Products derived from this software may not be called "Apache"
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
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 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * [Additional notices, if required by prior licensing conditions]
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package org.apache.coyote.http11;

import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;

import org.apache.coyote.*;
import java.io.*;
import java.net.*;
import java.util.*;
import java.text.*;
import org.apache.tomcat.util.res.StringManager;
import org.apache.tomcat.util.IntrospectionUtils;
import org.apache.tomcat.util.buf.*;
import org.apache.tomcat.util.http.*;
import org.apache.tomcat.util.log.*;
import org.apache.tomcat.util.net.*;


/**
 * Abstract the protocol implementation, including threading, etc.
 * Processor is single threaded and specific to stream-based protocols,
 * will not fit Jk protocols like JNI.
 *
 * @author Remy Maucherat
 * @author Costin Manolache
 */
public class Http11Protocol implements ProtocolHandler
{

    /**
     * The string manager for this package.
     */
    protected static StringManager sm =
        StringManager.getManager(Constants.Package);

    Adapter adapter;
    Http11ConnectionHandler cHandler=new Http11ConnectionHandler( this );

    /** Pass config info
     */
    public void setAttribute( String name, Object value ) {

        log.debug(sm.getString("http11protocol.setattribute", name, value));
        attributes.put(name, value);
/*
        if ("maxKeepAliveRequests".equals(name)) {
            maxKeepAliveRequests = Integer.parseInt((String) value.toString());
        } else if ("port".equals(name)) {
            setPort(Integer.parseInt((String) value.toString()));
        }
*/
    }

    public Object getAttribute( String key ) {
        return null;
    }

    /** The adapter, used to call the connector 
     */
    public void setAdapter(Adapter adapter) {
        this.adapter=adapter;
    }

    public Adapter getAdapter() {
        return adapter;
    }

    
    /** Start the protocol
     */
    public void init() throws Exception {
        ep.setConnectionHandler( cHandler );
	try {
            checkSocketFactory();
        } catch( Exception ex ) {
            log.error(sm.getString("http11protocol.socketfactory.initerror"), 
                      ex);
            throw ex;
        }

        if( socketFactory!=null ) {
            Enumeration attE=attributes.keys();
            while( attE.hasMoreElements() ) {
                String key=(String)attE.nextElement();
                Object v=attributes.get( key );
                socketFactory.setAttribute( key, v );
            }
        }

        try {
            ep.initEndpoint();
        } catch (Exception ex) {
            log.error(sm.getString("http11protocol.endpoint.initerror"), ex);
            throw ex;
        }
        log.info(sm.getString("http11protocol.init", "" + ep.getPort()));

    }

    public void start() throws Exception {
        try {
            ep.startEndpoint();
        } catch (Exception ex) {
            log.error(sm.getString("http11protocol.endpoint.starterror"), ex);
            throw ex;
        }
        log.info(sm.getString("http11protocol.start", "" + ep.getPort()));
    }

    public void destroy() throws Exception {
        ep.stopEndpoint();
    }
    
    // -------------------- Properties--------------------
    protected PoolTcpEndpoint ep=new PoolTcpEndpoint();
    protected boolean secure;
    
    protected ServerSocketFactory socketFactory;
    protected SSLImplementation sslImplementation;
    // socket factory attriubtes ( XXX replace with normal setters ) 
    protected Hashtable attributes = new Hashtable();
    protected String socketFactoryName=null;
    protected String sslImplementationName=null;

    private int maxKeepAliveRequests=100; // as in Apache HTTPD server
    private int	timeout = 300000;	// 5 minutes as in Apache HTTPD server
    private String reportedname;
    private int socketCloseDelay=-1;
    private boolean disableUploadTimeout = false;
    private String compression = "off";

    // -------------------- Pool setup --------------------

    public void setPools( boolean t ) {
	ep.setPoolOn(t);
        setAttribute("pools", "" + t);
    }

    public void setMaxThreads( int maxThreads ) {
	ep.setMaxThreads(maxThreads);
        setAttribute("maxThreads", "" + maxThreads);
    }

    public void setMaxSpareThreads( int maxThreads ) {
	ep.setMaxSpareThreads(maxThreads);
        setAttribute("maxSpareThreads", "" + maxThreads);
    }

    public void setMinSpareThreads( int minSpareThreads ) {
	ep.setMinSpareThreads(minSpareThreads);
        setAttribute("minSpareThreads", "" + minSpareThreads);
    }

    // -------------------- Tcp setup --------------------

    public void setBacklog( int i ) {
	ep.setBacklog(i);
        setAttribute("backlog", "" + i);
    }
    
    public void setPort( int port ) {
	ep.setPort(port);
        setAttribute("port", "" + port);
    	//this.port=port;
    }

    public void setAddress(InetAddress ia) {
	ep.setAddress( ia );
        setAttribute("address", "" + ia);
    }

    public void setHostName( String name ) {
	// ??? Doesn't seem to be used in existing or prev code
	// vhost=name;
    }

    public void setSocketFactory( String valueS ) {
	socketFactoryName = valueS;
        setAttribute("socketFactory", valueS);
    }

    public void setSSLImplementation( String valueS) {
 	sslImplementationName=valueS;
        setAttribute("sslImplementation", valueS);
    }
 	
    public void setTcpNoDelay( boolean b ) {
	ep.setTcpNoDelay( b );
        setAttribute("tcpNoDelay", "" + b);
    }

    public void setDisableUploadTimeout(boolean isDisabled) {
        disableUploadTimeout = isDisabled;
    }

    public void setCompression(String valueS) {
        compression = valueS;
    }