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/*
* 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
*
* 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;
import static org.jdiameter.client.impl.helpers.Parameters.OwnIPAddress;
import static org.jdiameter.server.impl.helpers.Parameters.OwnIPAddresses;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.jdiameter.api.ApplicationId;
import org.jdiameter.api.Avp;
import org.jdiameter.api.Configuration;
import org.jdiameter.api.Network;
import org.jdiameter.api.NetworkReqListener;
import org.jdiameter.api.OverloadException;
import org.jdiameter.api.PeerTable;
import org.jdiameter.api.StackType;
import org.jdiameter.client.api.IContainer;
import org.jdiameter.client.api.IMessage;
import org.jdiameter.client.api.ISessionFactory;
import org.jdiameter.client.api.controller.IPeer;
import org.jdiameter.client.api.io.TransportException;
import org.jdiameter.client.impl.helpers.IPConverter;
import org.jdiameter.common.api.statistic.IStatisticManager;
import org.jdiameter.server.api.IMetaData;
import org.jdiameter.server.api.IMutablePeerTable;
import org.jdiameter.server.api.INetwork;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author [email protected]
* @author Alexandre Mendonca
* @author Bartosz Baranowski
*/
@SuppressWarnings("all") //3rd party lib
public class MetaDataImpl extends org.jdiameter.client.impl.MetaDataImpl implements IMetaData {
private static final Logger logger = LoggerFactory.getLogger(MetaDataImpl.class);
private final Object lock = new Object();
public MetaDataImpl(IContainer s) {
super(s);
}
public MetaDataImpl(IContainer s, IStatisticManager factory) {
super(s, factory);
}
@Override
public StackType getStackType() {
return StackType.TYPE_SERVER;
}
@Override
protected IPeer newLocalPeer(IStatisticManager statisticFactory) {
return new ServerLocalPeer(statisticFactory);
}
@Override
public void addApplicationId(ApplicationId applicationId) {
synchronized (lock) {
if (appIds.contains(applicationId)) {
return;
}
appIds.add(applicationId);
}
if (logger.isDebugEnabled()) {
logger.debug("Adding application id of auth [{}] acct [{}] vendor [{}]",
new Object[] { applicationId.getAuthAppId(), applicationId.getAcctAppId(), applicationId.getVendorId() });
}
}
@Override
public void remApplicationId(ApplicationId applicationId) {
synchronized (lock) {
appIds.remove(applicationId);
}
if (logger.isDebugEnabled()) {
logger.debug("Removing application id of auth [{}] acct [{}] vendor [{}]",
new Object[] { applicationId.getAuthAppId(), applicationId.getAcctAppId(), applicationId.getVendorId() });
}
}
@Override
public void reload() {
// Reload common application ids from configuration
synchronized (lock) {
appIds.clear();
logger.debug("Clearing out application ids");
getLocalPeer().getCommonApplications();
// Reload ip addresses from configuration
((ServerLocalPeer) peer).resetAddresses();
peer.getIPAddresses();
}
}
protected class ServerLocalPeer extends ClientLocalPeer {
protected INetwork net = null;
protected IMutablePeerTable manager = null;
protected ISessionFactory factory = null;
// XXX: FT/HA // protected Map slc = null;
Map peerRequests = new ConcurrentHashMap();
public ServerLocalPeer(IStatisticManager statisticFactory) {
super(statisticFactory);
}
@Override
public Set getCommonApplications() {
Set set;
synchronized (lock) {
set = super.getCommonApplications();
}
return set;
}
@Override
public InetAddress[] getIPAddresses() {
if (addresses.length == 0) {
Configuration[] ipAddresses = stack.getConfiguration().getChildren(OwnIPAddresses.ordinal());
List list = new ArrayList();
if (ipAddresses != null) {
for (Configuration address : ipAddresses) {
if (address != null) {
InetAddress iaddress = getAddress(address);
if (iaddress != null) {
list.add(iaddress);
}
}
}
} else {
InetAddress address = getDefaultIpAddress();
if (address != null) {
list.add(address);
}
}
addresses = list.toArray(new InetAddress[list.size()]);
}
return addresses;
}
private InetAddress getAddress(Configuration configuration) {
InetAddress rc;
String address = configuration.getStringValue(OwnIPAddress.ordinal(), null);
if (address == null || address.length() == 0) {
rc = getDefaultIpAddress();
} else {
try {
rc = InetAddress.getByName(address);
} catch (UnknownHostException e) {
logger.debug("Unable to retrieve IP by Address [{}]", address, e);
rc = IPConverter.InetAddressByIPv4(address);
if (rc == null) {
rc = IPConverter.InetAddressByIPv6(address);
}
if (rc == null) {
rc = getDefaultIpAddress();
}
}
}
return rc;
}
private InetAddress getDefaultIpAddress() {
try {
return InetAddress.getByName(getLocalPeer().getUri().getFQDN());
} catch (Exception e1) {
logger.debug("Unable to retrieve IP by URI [{}]", getLocalPeer().getUri().getFQDN(), e1);
try {
return InetAddress.getLocalHost();
} catch (Exception e2) {
logger.debug("Unable to retrieve IP for localhost", e2);
}
}
return null;
}
// Local processing message
@Override
@SuppressWarnings("unchecked")
public boolean sendMessage(IMessage message) throws TransportException, OverloadException {
logger.debug("Sending Message in Server Local Peer");
try {
if (net == null || manager == null) {
try {
logger.debug("Unwrapping network and manager");
net = (INetwork) stack.unwrap(Network.class);
manager = (IMutablePeerTable) stack.unwrap(PeerTable.class);
factory = manager.getSessionFactory();
// XXX: FT/HA // slc = manager.getSessionReqListeners();
} catch (Exception e) {
logger.warn("Error initialising for message send", e);
}
}
IMessage answer = null;
if (message.isRequest()) {
logger.debug("Message is a request");
message.setHopByHopIdentifier(peer.getHopByHopIdentifier());
peerRequests.put(message.getHopByHopIdentifier(), message);
NetworkReqListener listener = net.getListener(message);
if (listener != null) {
// This is duplicate code from PeerImpl
answer = manager.isDuplicate(message);
if (answer != null) {
logger.debug("Found message in duplicates. No need to invoke listener, will send previous answer.");
answer.setProxiable(message.isProxiable());
answer.getAvps().removeAvp(Avp.PROXY_INFO);
for (Avp avp : message.getAvps().getAvps(Avp.PROXY_INFO)) {
answer.getAvps().addAvp(avp);
}
answer.setHopByHopIdentifier(message.getHopByHopIdentifier());
} else {
String avpSessionId = message.getSessionId();
if (avpSessionId != null) {
// XXX: FT/HA // NetworkReqListener sessionListener = slc.get(avpSessionId);
NetworkReqListener sessionListener = sessionDataSource.getSessionListener(avpSessionId);
if (sessionListener != null) {
logger.debug(
"Giving message to sessionListener to process as Session-Id AVP existed in message "
+ "and was used to get a session from Session DataSource");
answer = (IMessage) sessionListener.processRequest(message);
} else {
try {
logger.debug("Giving message to listener to process. Listener was retrieved from net");
answer = (IMessage) listener.processRequest(message);
if (answer != null) {
manager.saveToDuplicate(message.getDuplicationKey(), answer);
}
} catch (Exception e) {
logger.debug("Error during processing message by listener", e);
}
}
}
}
} else {
if (logger.isDebugEnabled()) {
logger.debug("Unable to find handler {} for message {}", message.getSingleApplicationId(), message);
}
}
if (answer != null) {
if (logger.isDebugEnabled()) {
logger.debug("Removing message with HbH Identifier [{}] from Peer Requests Map",
message.getHopByHopIdentifier());
}
peerRequests.remove(message.getHopByHopIdentifier());
}
} else {
if (logger.isDebugEnabled()) {
logger.debug(
"Message is an answer. Setting answer to the message and fetching message from Peer Requests Map using HbH Identifier [{}]",
message.getHopByHopIdentifier());
}
answer = message;
message = peerRequests.get(answer.getHopByHopIdentifier());
}
// Process answer
if (message != null && !message.isTimeOut() && answer != null) {
logger.debug("Clearing timer on message and notifying event listeners of receiving success message");
message.clearTimer();
message.setState(IMessage.STATE_ANSWERED);
message.getEventListener().receivedSuccessMessage(message, answer);
}
return true;
} catch (Exception e) {
logger.warn("Unable to process message {}", message, e);
}
return false;
}
}
}
