/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2016, TeleStax Inc. and individual contributors
* by the @authors tag.
*
* This program is free software: you can redistribute it and/or modify
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* JBoss, Home of Professional Open Source
* Copyright 2007-2011, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jdiameter.client.impl;
import java.util.concurrent.TimeUnit;
import org.jdiameter.api.Answer;
import org.jdiameter.api.ApplicationId;
import org.jdiameter.api.Avp;
import org.jdiameter.api.EventListener;
import org.jdiameter.api.IllegalDiameterStateException;
import org.jdiameter.api.InternalException;
import org.jdiameter.api.Message;
import org.jdiameter.api.NetworkReqListener;
import org.jdiameter.api.OverloadException;
import org.jdiameter.api.RawSession;
import org.jdiameter.api.Request;
import org.jdiameter.api.RouteException;
import org.jdiameter.client.api.IContainer;
import org.jdiameter.client.api.IMessage;
import org.jdiameter.client.api.IRequest;
import org.jdiameter.client.api.ISession;
import org.jdiameter.client.api.parser.IMessageParser;
import org.jdiameter.common.api.data.ISessionDatasource;
import org.jdiameter.common.api.timer.ITimerFacility;
/**
* Implementation for {@link ISession}
*
* @author erick.svenson@yahoo.com
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>
* @author <a href="mailto:brainslog@gmail.com"> Alexandre Mendonca </a>
*/
public class SessionImpl extends BaseSessionImpl implements ISession {
SessionImpl(IContainer container) {
setContainer(container);
try {
sessionId = container.getSessionFactory().getSessionId();
}
catch (IllegalDiameterStateException idse) {
throw new IllegalStateException("Unable to generate Session-Id", idse);
}
}
void setContainer(IContainer container) {
this.container = container;
this.parser = container.getAssemblerFacility().getComponentInstance(IMessageParser.class);
}
@Override
public void send(Message message, EventListener<Request, Answer> listener)
throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
genericSend(message, listener);
}
@Override
public void send(Message message, EventListener<Request, Answer> listener, long timeout, TimeUnit timeUnit)
throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {
genericSend(message, listener, timeout, timeUnit);
}
@Override
public void setRequestListener(NetworkReqListener listener) {
if (listener != null) {
super.reqListener = listener;
container.addSessionListener(sessionId, listener);
}
}
@Override
public NetworkReqListener getReqListener() {
return super.reqListener;
}
@Override
public Request createRequest(int commandCode, ApplicationId appId, String destRealm) {
if (isValid) {
setLastAccessTime();
IRequest m = parser.createEmptyMessage(IRequest.class, commandCode, getAppId(appId));
m.setNetworkRequest(false);
m.setRequest(true);
m.getAvps().addAvp(Avp.SESSION_ID, sessionId, true, false, false);
appendAppId(appId, m);
if (destRealm != null) {
m.getAvps().addAvp(Avp.DESTINATION_REALM, destRealm, true, false, true);
}
MessageUtility.addOriginAvps(m, container.getMetaData());
return m;
}
else {
throw new IllegalStateException("Session already released");
}
}
@Override
public Request createRequest(int commandCode, ApplicationId appId, String destRealm, String destHost) {
if (isValid) {
setLastAccessTime();
IRequest m = parser.createEmptyMessage(IRequest.class, commandCode, getAppId(appId));
m.setNetworkRequest(false);
m.setRequest(true);
m.getAvps().addAvp(Avp.SESSION_ID, sessionId, true, false, false);
appendAppId(appId, m);
if (destRealm != null) {
m.getAvps().addAvp(Avp.DESTINATION_REALM, destRealm, true, false, true);
}
if (destHost != null) {
m.getAvps().addAvp(Avp.DESTINATION_HOST, destHost, true, false, true);
}
MessageUtility.addOriginAvps(m, container.getMetaData());
return m;
}
else {
throw new IllegalStateException("Session already released");
}
}
@Override
public Request createRequest(Request prevRequest) {
if (isValid) {
setLastAccessTime();
IRequest request = parser.createEmptyMessage(Request.class, (IMessage) prevRequest);
request.setRequest(true);
request.setNetworkRequest(false);
MessageUtility.addOriginAvps(request, container.getMetaData());
return request;
}
else {
throw new IllegalStateException("Session already released");
}
}
@Override
public void release() {
isValid = false;
if (container != null) {
if (istTimerId != null) {
container.getAssemblerFacility().getComponentInstance(ITimerFacility.class).cancel(istTimerId);
}
container.removeSessionListener(sessionId);
// FIXME
container.getAssemblerFacility().getComponentInstance(ISessionDatasource.class).removeSession(sessionId);
}
container = null;
parser = null;
reqListener = null;
}
@Override
public boolean isWrapperFor(Class<?> iface) throws InternalException {
return iface == RawSession.class;
}
@Override
@SuppressWarnings("unchecked")
public <T> T unwrap(Class<T> iface) throws InternalException {
return (T) (iface == RawSession.class ? new RawSessionImpl(container) : null);
}
}