/*
* 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.axis2.transport.http.server;
import edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicBoolean;
import edu.emory.mathcs.backport.java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.ConnectionClosedException;
import org.apache.http.HttpException;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;
import java.io.IOException;
import java.net.SocketException;
import java.net.SocketTimeoutException;
/**
* I/O processor intended to process requests and fill in responses.
*/
public class HttpServiceProcessor implements IOProcessor {
private static final Log LOG = LogFactory.getLog(HttpServiceProcessor.class);
/** Counter used to create unique IDs. */
private static AtomicLong counter = new AtomicLong(0L);
private AtomicBoolean terminated;
private final AxisHttpService httpservice;
private final AxisHttpConnection conn;
private final IOProcessorCallback callback;
/**
* Unique identifier used by {@linkplain #equals(Object)} and
* {@linkplain #hashCode()}.
* <p>
* This field is needed to allow the equals method to work properly when this
* HttpServiceProcessor has to be removed from the list of processors.
*
* @see DefaultHttpConnectionManager
*/
private final long id;
public HttpServiceProcessor(final AxisHttpService httpservice,
final AxisHttpConnection conn, final IOProcessorCallback callback) {
super();
this.httpservice = httpservice;
this.conn = conn;
this.callback = callback;
this.terminated = new AtomicBoolean(false);
id = counter.incrementAndGet();
}
public void run() {
LOG.debug("New connection thread");
HttpContext context = new BasicHttpContext(null);
try {
while (! Thread.interrupted() && ! isDestroyed() && this.conn.isOpen()) {
this.httpservice.handleRequest(this.conn, context);
}
} catch (ConnectionClosedException ex) {
LOG.debug("Client closed connection");
} catch (IOException ex) {
if (ex instanceof SocketTimeoutException) {
LOG.debug(ex.getMessage());
} else if (ex instanceof SocketException) {
LOG.debug(ex.getMessage());
} else {
LOG.warn(ex.getMessage(), ex);
}
} catch (HttpException ex) {
if (LOG.isWarnEnabled()) {
LOG.warn("HTTP protocol error: " + ex.getMessage());
}
} finally {
destroy();
if (this.callback == null) {
throw new NullPointerException("The callback object can't be null");
}
this.callback.completed(this);
}
}
public void close() throws IOException {
this.conn.close();
}
public void destroy() {
if (this.terminated.compareAndSet(false, true)) {
try {
// this.conn.shutdown();
close();
} catch (IOException ex) {
LOG.debug("I/O error shutting down connection");
}
}
}
public boolean isDestroyed() {
return this.terminated.get();
}
// -------------------------------------------------- Methods from Object
/**
* Returns the unique ID of this HttpServiceProcessor.
*
* @return The unique ID of this HttpServiceProcessor.
*/
public int hashCode() {
final int PRIME = 31;
int result = 1;
result = PRIME * result + (int) (id ^ (id >>> 32));
return result;
}
/**
* Indicates whether some other object is "equal to" this one.
*
* @return <code>true</code> if this HttpServiceProcessor refere to the same
* object as obj or they have the same {@linkplain #id}, <code>false</code> otherwise.
*/
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
final HttpServiceProcessor other = (HttpServiceProcessor) obj;
if (id != other.id)
return false;
return true;
}
}