/*
* 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 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.AprEndpoint;
import org.apache.tomcat.util.net.AprEndpoint.Handler;
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 AjpAprProtocol extends AbstractAjpProtocol<Long> {
private static final Log log = LogFactory.getLog(AjpAprProtocol.class);
@Override
protected Log getLog() { return log; }
@Override
protected AbstractEndpoint.Handler getHandler() {
return cHandler;
}
@Override
public boolean isAprRequired() {
// Override since this protocol implementation requires the APR/native
// library
return true;
}
// ------------------------------------------------------------ Constructor
public AjpAprProtocol() {
endpoint = new AprEndpoint();
cHandler = new AjpConnectionHandler(this);
((AprEndpoint) 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
((AprEndpoint) endpoint).setUseSendfile(false);
}
// ----------------------------------------------------- Instance Variables
/**
* Connection handler for AJP.
*/
private final AjpConnectionHandler cHandler;
// --------------------------------------------------------- Public Methods
public int getPollTime() { return ((AprEndpoint)endpoint).getPollTime(); }
public void setPollTime(int pollTime) { ((AprEndpoint)endpoint).setPollTime(pollTime); }
// pollerSize is now a synonym for maxConnections
public void setPollerSize(int pollerSize) { endpoint.setMaxConnections(pollerSize); }
public int getPollerSize() { return endpoint.getMaxConnections(); }
// ----------------------------------------------------- JMX related methods
@Override
protected String getNamePrefix() {
return ("ajp-apr");
}
// -------------------------------------- AjpConnectionHandler Inner Class
protected static class AjpConnectionHandler
extends AbstractAjpConnectionHandler<Long,AjpAprProcessor>
implements Handler {
protected final AjpAprProtocol proto;
public AjpConnectionHandler(AjpAprProtocol proto) {
this.proto = proto;
}
@Override
protected AbstractProtocol<Long> getProtocol() {
return proto;
}
@Override
protected Log getLog() {
return log;
}
/**
* Expected to be used by the handler once the processor is no longer
* required.
*/
@Override
public void release(SocketWrapper<Long> socket,
Processor<Long> processor, boolean isSocketClosing,
boolean addToPoller) {
processor.recycle(isSocketClosing);
recycledProcessors.push(processor);
if (addToPoller) {
((AprEndpoint)proto.endpoint).getPoller().add(
socket.getSocket().longValue(),
proto.endpoint.getKeepAliveTimeout(), true, false);
}
}
@Override
protected AjpAprProcessor createProcessor() {
AjpAprProcessor processor = new AjpAprProcessor(proto.packetSize, (AprEndpoint)proto.endpoint);
proto.configureProcessor(processor);
register(processor);
return processor;
}
}
}