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/*
* 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.nio.channels.SocketChannel;
import java.util.Iterator;
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.NioChannel;
import org.apache.tomcat.util.net.NioEndpoint;
import org.apache.tomcat.util.net.NioEndpoint.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.
*/
public class AjpNioProtocol extends AbstractAjpProtocol<NioChannel> {
private static final Log log = LogFactory.getLog(AjpNioProtocol.class);
@Override
protected Log getLog() { return log; }
@Override
protected AbstractEndpoint.Handler getHandler() {
return cHandler;
}
// ------------------------------------------------------------ Constructor
public AjpNioProtocol() {
endpoint = new NioEndpoint();
cHandler = new AjpConnectionHandler(this);
((NioEndpoint) endpoint).setHandler(cHandler);
setSoLinger(Constants.DEFAULT_CONNECTION_LINGER);
setSoTimeout(Constants.DEFAULT_CONNECTION_TIMEOUT);
setTcpNoDelay(Constants.DEFAULT_TCP_NO_DELAY);
// AJP does not use Send File
((NioEndpoint) endpoint).setUseSendfile(false);
}
// ----------------------------------------------------- Instance Variables
/**
* Connection handler for AJP.
*/
private AjpConnectionHandler cHandler;
// ----------------------------------------------------- JMX related methods
@Override
protected String getNamePrefix() {
return ("ajp-nio");
}
// -------------------------------------- AjpConnectionHandler Inner Class
protected static class AjpConnectionHandler
extends AbstractAjpConnectionHandler<NioChannel, AjpNioProcessor>
implements Handler {
protected AjpNioProtocol proto;
public AjpConnectionHandler(AjpNioProtocol proto) {
this.proto = proto;
}
@Override
protected AbstractProtocol<NioChannel> 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 Poller to release resources on socket
* close, errors etc.
*/
@Override
public void release(SocketChannel socket) {
if (log.isDebugEnabled())
log.debug("Iterating through our connections to release a socket channel:"+socket);
boolean released = false;
Iterator<java.util.Map.Entry<NioChannel, Processor<NioChannel>>> it = connections.entrySet().iterator();
while (it.hasNext()) {
java.util.Map.Entry<NioChannel, Processor<NioChannel>> entry = it.next();
if (entry.getKey().getIOChannel()==socket) {
it.remove();
Processor<NioChannel> result = entry.getValue();
result.recycle(true);
unregister(result);
released = true;
break;
}
}
if (log.isDebugEnabled())
log.debug("Done iterating through our connections to release a socket channel:"+socket +" released:"+released);
}
/**
* Expected to be used by the Poller to release resources on socket
* close, errors etc.
*/
@Override
public void release(SocketWrapper<NioChannel> socket) {
Processor<NioChannel> processor =
connections.remove(socket.getSocket());
if (processor != null) {
processor.recycle(true);
recycledProcessors.offer(processor);
}
}
/**
* Expected to be used by the handler once the processor is no longer
* required.
*/
@Override
public void release(SocketWrapper<NioChannel> socket,
Processor<NioChannel> processor, boolean isSocketClosing,
boolean addToPoller) {
processor.recycle(isSocketClosing);
recycledProcessors.offer(processor);
if (addToPoller) {
socket.getSocket().getPoller().add(socket.getSocket());
}
}
@Override
protected AjpNioProcessor createProcessor() {
AjpNioProcessor processor = new AjpNioProcessor(proto.packetSize, (NioEndpoint)proto.endpoint);
processor.setAdapter(proto.adapter);
processor.setTomcatAuthentication(proto.tomcatAuthentication);
processor.setRequiredSecret(proto.requiredSecret);
processor.setKeepAliveTimeout(proto.getKeepAliveTimeout());
processor.setClientCertProvider(proto.getClientCertProvider());
register(processor);
return processor;
}
}
}
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