/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.coyote.ajp;
import java.net.Socket;
import org.apache.coyote.AbstractProtocol;
import org.apache.coyote.Processor;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.net.AbstractEndpoint;
import org.apache.tomcat.util.net.JIoEndpoint;
import org.apache.tomcat.util.net.JIoEndpoint.Handler;
import org.apache.tomcat.util.net.SSLImplementation;
import org.apache.tomcat.util.net.SocketWrapper;
/**
* 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 AjpProtocol extends AbstractAjpProtocol<Socket> {
private static final Log log = LogFactory.getLog(AjpProtocol.class);
@Override
protected Log getLog() { return log; }
@Override
protected AbstractEndpoint.Handler getHandler() {
return cHandler;
}
// ------------------------------------------------------------ Constructor
public AjpProtocol() {
endpoint = new JIoEndpoint();
cHandler = new AjpConnectionHandler(this);
((JIoEndpoint) endpoint).setHandler(cHandler);
setSoLinger(Constants.DEFAULT_CONNECTION_LINGER);
setSoTimeout(Constants.DEFAULT_CONNECTION_TIMEOUT);
setTcpNoDelay(Constants.DEFAULT_TCP_NO_DELAY);
}
// ----------------------------------------------------- Instance Variables
/**
* Connection handler for AJP.
*/
private final AjpConnectionHandler cHandler;
// ----------------------------------------------------- JMX related methods
@Override
protected String getNamePrefix() {
return ("ajp-bio");
}
// -------------------------------------- AjpConnectionHandler Inner Class
protected static class AjpConnectionHandler
extends AbstractAjpConnectionHandler<Socket,AjpProcessor>
implements Handler {
protected final AjpProtocol proto;
public AjpConnectionHandler(AjpProtocol proto) {
this.proto = proto;
}
@Override
protected AbstractProtocol<Socket> getProtocol() {
return proto;
}
@Override
protected Log getLog() {
return log;
}
@Override
public SSLImplementation getSslImplementation() {
// AJP does not support SSL
return null;
}
/**
* Expected to be used by the handler once the processor is no longer
* required.
*
* @param socket Ignored for BIO
* @param processor
* @param isSocketClosing
* @param addToPoller Ignored for BIO
*/
@Override
public void release(SocketWrapper<Socket> socket,
Processor<Socket> processor, boolean isSocketClosing,
boolean addToPoller) {
processor.recycle(isSocketClosing);
recycledProcessors.push(processor);
}
@Override
protected AjpProcessor createProcessor() {
AjpProcessor processor = new AjpProcessor(proto.packetSize, (JIoEndpoint)proto.endpoint);
proto.configureProcessor(processor);
register(processor);
return processor;
}
@Override
public void beforeHandshake(SocketWrapper<Socket> socket) {
}
}
}