/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) Ericsson AB, 2004-2008. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.ericsson.ssa.sip;
import com.ericsson.ssa.container.reporter.ReporterResolver;
import com.ericsson.ssa.container.reporter.Reporter;
import com.ericsson.ssa.sip.dns.TargetResolver;
import com.ericsson.ssa.sip.dns.UDPProtocol;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jvnet.glassfish.comms.util.LogUtil;
import javax.servlet.sip.Address;
import javax.servlet.sip.SipURI;
/**
* Singleton class that manages local routes added via the
* {@link javax.servlet.sip.SipServletRequest#pushRoute(javax.servlet.sip.Address) SipServletRequest.pushRoute(Address)}
* or
* {@link javax.servlet.sip.SipServletRequest#pushRoute(javax.servlet.sip.SipURI) SipServletRequest.pushRoute(SipURI)}
* methods.
*
* This Layer checks if the top Route header on outgoing requests has the form
* sip:user@localhost;lr or sip:user@127.0.0.1;lr and in that case stops
* downwards traversal in the stack, pops the Route header and sends the request
* upwards in the stack again.
*
* @author eraknhm
*/
public class LocalRouteManager implements Layer {
private static final LocalRouteManager singletonInstance = new LocalRouteManager();
private Logger m_logger = LogUtil.SIP_LOGGER.getLogger();
private Layer _nextLayer = null;
private Reporter _reporter;
// Enforce Singleton pattern
private LocalRouteManager() {
// Empty
}
public void setReporters(String reporters) {
_reporter = ReporterResolver.getInstance().getReporter(reporters);
}
public Reporter getReporter() {
return _reporter;
}
public static LocalRouteManager getInstance() {
return singletonInstance;
}
/**
* Delegate to next layer
*/
public void next(SipServletRequestImpl req) {
if (req.isInitial()) {
req.pushApplicationDispatcher(this);
}
// Send onwards
LayerHelper.next(req, this, _nextLayer);
}
/**
* Delegate to next layer
*/
public void next(SipServletResponseImpl resp) {
// Send onwards
LayerHelper.next(resp, this, _nextLayer);
}
public void registerNext(Layer layer) {
_nextLayer = layer;
}
/**
* Delegate to next layer
*/
public void dispatch(SipServletRequestImpl req) {
// Check request
if (req.isInitial()) {
if (req.isLocalRoute()) {
// Let request stay in container...
if (m_logger.isLoggable(Level.FINE)) {
m_logger.log(Level.FINE, "Request should stay in container.");
}
// Pop route header
Address a = req.popRouteHeader();
if (a != null) {
// Add this layer as dispatcher
req.setInitialPoppedRoute(a);
req.pushApplicationDispatcher(this);
req.setFirstInvocation(true);
try {
req.setLocal(TargetResolver.getInstance().resolveReq3263_4((SipURI) a.getURI(), req.getMessageSize()).getSocketAddress());
//req.setLocal(new InetSocketAddress(InetAddress.getLocalHost(),port));
} catch (Exception e) {
m_logger.log(Level.SEVERE, "Cannot resolve local address. ");
}
// Send onwards
LayerHelper.next(req, this, _nextLayer);
return;
}
}
}
// Send onwards
req.popDispatcher().dispatch(req);
}
/**
* Delegate to next layer
*/
public void dispatch(SipServletResponseImpl resp) {
// Send onwards
resp.popDispatcher().dispatch(resp);
}
}