org.mobicents.slee.resource.sip11.ClusteredSipActivityManagement Maven / Gradle / Ivy
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* Copyright 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.mobicents.slee.resource.sip11;
import javax.sip.Dialog;
import javax.slee.transaction.SleeTransactionManager;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import org.mobicents.ha.javax.sip.ClusteredSipStack;
import org.mobicents.slee.resource.cluster.ReplicatedData;
import org.mobicents.slee.resource.sip11.wrappers.DialogWrapper;
import org.mobicents.slee.resource.sip11.wrappers.Wrapper;
/**
* The clustered implementation of {@link SipActivityManagement}.
* It replicates handles for established dialogs.
*
* @author martins
*
*/
public class ClusteredSipActivityManagement implements SipActivityManagement {
/**
* the jsip clustered stack
*/
private final ClusteredSipStack sipStack;
/**
* currently there is no support for replicated transactions or early dialogs in jain sip ha, so we manage them with this
*/
private final LocalSipActivityManagement nonReplicatedActivityManagement;
/**
* Replicated data source
*/
private final ReplicatedData replicatedData;
/**
* SLEE's tx manager
*/
private final SleeTransactionManager sleeTransactionManager;
/**
*
*/
private final SipResourceAdaptor ra;
/**
*
* @param sipStack
*/
public ClusteredSipActivityManagement(ClusteredSipStack sipStack,ReplicatedData replicatedData, SleeTransactionManager sleeTransactionManager, SipResourceAdaptor ra) {
this.sipStack = sipStack;
this.nonReplicatedActivityManagement = new LocalSipActivityManagement();
this.replicatedData = replicatedData;
this.sleeTransactionManager = sleeTransactionManager;
this.ra = ra;
}
/*
* (non-Javadoc)
* @see org.mobicents.slee.resource.sip11.SipActivityManagement#get(org.mobicents.slee.resource.sip11.SipActivityHandle)
*/
public Wrapper get(SipActivityHandle handle) {
final Class handleType = handle.getClass();
if (handleType == ServerTransactionActivityHandle.TYPE || handleType == ClientTransactionActivityHandle.TYPE) {
return nonReplicatedActivityManagement.get(handle);
}
else if (handleType == DialogWithoutIdActivityHandle.TYPE) {
DialogWrapper activity = (DialogWrapper) nonReplicatedActivityManagement.get(handle);
String dialogId = null;
if (activity == null) {
final DialogWithoutIdActivityHandle dialogWithoutIdActivityHandle = (DialogWithoutIdActivityHandle) handle;
// the handle doesn't have a remote tag but dialog may actually be confirmed and
// exist in stack's replicated data, lets look for the tag in
// RA's replicated data
final String remoteTag = replicatedData.get(handle);
if (remoteTag != null) {
dialogId =
new StringBuilder(dialogWithoutIdActivityHandle.getCallId())
.append(DialogWithoutIdActivityHandle.DIALOG_ID_SEPARATOR).append(dialogWithoutIdActivityHandle.getLocalTag())
.append(DialogWithoutIdActivityHandle.DIALOG_ID_SEPARATOR).append(remoteTag)
.toString()
.toLowerCase();
}
}
else {
dialogId = activity.getDialogId();
}
if (dialogId != null) {
// update from stack
Dialog d = sipStack.getDialog(dialogId);
if (d != null) {
// cool, found it in jsip ha stack, lets relink wrapper and store it in
// non replicated data
activity = ra.getDialogWrapper(d);
nonReplicatedActivityManagement.put(handle,
activity);
}
}
return activity;
}
else if (handleType == DialogWithIdActivityHandle.TYPE) {
Dialog d = sipStack.getDialog(((DialogWithIdActivityHandle)handle).getDialogId());
if (d != null) {
return ra.getDialogWrapper(d);
}
else {
// maybe it is still in local storage
return nonReplicatedActivityManagement.get(handle);
}
}
else {
throw new IllegalArgumentException("unknown type of sip activity handle -> "+handle.getClass());
}
}
/*
* (non-Javadoc)
* @see org.mobicents.slee.resource.sip11.SipActivityManagement#put(org.mobicents.slee.resource.sip11.SipActivityHandle, org.mobicents.slee.resource.sip11.wrappers.WrapperSuperInterface)
*/
public void put(SipActivityHandle handle, Wrapper activity) {
nonReplicatedActivityManagement.put(handle,activity);
}
/*
* (non-Javadoc)
* @see org.mobicents.slee.resource.sip11.SipActivityManagement#remove(org.mobicents.slee.resource.sip11.SipActivityHandle)
*/
public Wrapper remove(SipActivityHandle handle) {
Wrapper activity = nonReplicatedActivityManagement.remove(handle);
if (handle.getClass() == DialogWithoutIdActivityHandle.TYPE) {
// remove remote tag from Ra's replicated data
Transaction tx = null;
try {
tx = sleeTransactionManager.getTransaction();
if (tx != null) {
sleeTransactionManager.suspend();
}
} catch (SystemException e) {
// ignore
}
replicatedData.remove(handle);
if (tx != null) {
try {
sleeTransactionManager.resume(tx);
} catch (Throwable e) {
// ignore
}
}
}
return activity;
}
public boolean replicateRemoteTag(SipActivityHandle handle, String tag) {
if (!replicatedData.contains(handle)) {
replicatedData.put(handle,tag);
return true;
}
else {
return false;
}
}
}