/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2014, 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.server.impl.io;
import static java.lang.Class.forName;
import java.lang.reflect.Constructor;
import java.net.InetAddress;
import org.jdiameter.api.Configuration;
import org.jdiameter.client.api.io.TransportError;
import org.jdiameter.client.api.io.TransportException;
import org.jdiameter.client.api.parser.IMessageParser;
import org.jdiameter.client.impl.helpers.AppConfiguration;
import org.jdiameter.common.api.concurrent.IConcurrentFactory;
import org.jdiameter.server.api.IMetaData;
import org.jdiameter.server.api.io.INetworkConnectionListener;
import org.jdiameter.server.api.io.INetworkGuard;
import org.jdiameter.server.api.io.ITransportLayerFactory;
import org.jdiameter.server.impl.helpers.ExtensionPoint;
/**
*
* @author erick.svenson@yahoo.com
* @author <a href="mailto:brainslog@gmail.com"> Alexandre Mendonca </a>
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>
*/
public class TransportLayerFactory extends org.jdiameter.client.impl.transport.TransportLayerFactory implements ITransportLayerFactory {
private final IConcurrentFactory concurrentFactory;
private final IMetaData metaData;
private Class<INetworkGuard> networkGuardClass;
private Constructor<INetworkGuard> networkGuardConstructor;
public TransportLayerFactory(Configuration conf, IConcurrentFactory concurrentFactory, IMessageParser parser, IMetaData metaData) throws TransportException {
super(conf, parser);
this.concurrentFactory = concurrentFactory;
this.metaData = metaData;
String networkGuardClassName = null;
Configuration[] children = config.getChildren(org.jdiameter.client.impl.helpers.Parameters.Extensions.ordinal());
// extract network guard class name.
AppConfiguration internalExtensions = (AppConfiguration) children[org.jdiameter.client.impl.helpers.ExtensionPoint.Internal.id()];
networkGuardClassName = internalExtensions.getStringValue(ExtensionPoint.InternalNetworkGuard.ordinal(),
ExtensionPoint.InternalNetworkGuard.defValue());
try {
// TODO: this should be enough to check if class has interface!?
this.networkGuardClass = (Class<INetworkGuard>) forName(networkGuardClassName);
if (!INetworkGuard.class.isAssignableFrom(this.networkGuardClass)) {
throw new TransportException("Specified class does not inherit INetworkGuard interface " + this.networkGuardClass, TransportError.Internal);
}
}
catch (Exception e) {
throw new TransportException("Cannot prepare specified guard class " + this.networkGuardClass, TransportError.Internal, e);
}
try {
// TODO: this is bad practice, IConnection is interface and this code enforces constructor type to be present!
networkGuardConstructor = this.networkGuardClass.getConstructor(InetAddress[].class, Integer.TYPE, IConcurrentFactory.class,
IMessageParser.class, IMetaData.class);
}
catch (Exception e) {
throw new TransportException("Cannot find required constructor", TransportError.Internal, e);
}
}
@Override
public INetworkGuard createNetworkGuard(InetAddress inetAddress, int port) throws TransportException {
try {
return networkGuardConstructor.newInstance(inetAddress, port, this.concurrentFactory, this.parser, this.metaData);
}
catch (Exception e) {
throw new TransportException(TransportError.NetWorkError, e);
}
}
@Override
public INetworkGuard createNetworkGuard(InetAddress inetAddress, final int port, final INetworkConnectionListener listener) throws TransportException {
INetworkGuard guard;
try {
guard = networkGuardConstructor.newInstance(inetAddress, port, this.concurrentFactory, this.parser, this.metaData);
}
catch (Exception e) {
throw new TransportException(TransportError.NetWorkError, e);
}
guard.addListener(listener);
return guard;
}
@Override
public INetworkGuard createNetworkGuard(InetAddress[] inetAddress, int port) throws TransportException {
try {
return networkGuardConstructor.newInstance(inetAddress, port, this.concurrentFactory, this.parser, this.metaData);
}
catch (Exception e) {
throw new TransportException(TransportError.NetWorkError, e);
}
}
@Override
public INetworkGuard createNetworkGuard(InetAddress[] inetAddress, int port, INetworkConnectionListener listener) throws TransportException {
INetworkGuard guard;
try {
guard = networkGuardConstructor.newInstance(inetAddress, port, this.concurrentFactory, this.parser, this.metaData);
}
catch (Exception e) {
throw new TransportException(TransportError.NetWorkError, e);
}
guard.addListener(listener);
return guard;
}
}