/*
* JBoss, Home of Professional Open Source
* 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.restcomm.media.component.oob;
import java.util.Iterator;
import java.util.concurrent.atomic.AtomicBoolean;
import org.restcomm.media.concurrent.ConcurrentMap;
import org.restcomm.media.scheduler.PriorityQueueScheduler;
import org.restcomm.media.scheduler.Task;
import org.restcomm.media.spi.memory.Frame;
/**
* Implements compound oob splitter , one of core components of mms 3.0
*
* @author Yulian Oifa
* @author Henrique Rosa (henrique.rosa@telestax.com)
*/
public class OOBSplitter {
// Mixing Scheduler
private final PriorityQueueScheduler scheduler;
// Components Pool
private final ConcurrentMap<OOBComponent> insideComponents;
private final ConcurrentMap<OOBComponent> outsideComponents;
// Mixing Tasks
private final InsideMixTask insideMixer;
private final OutsideMixTask outsideMixer;
private final AtomicBoolean started;
protected long mixCount = 0;
public OOBSplitter(PriorityQueueScheduler scheduler) {
this.scheduler = scheduler;
this.insideComponents = new ConcurrentMap<OOBComponent>();
this.outsideComponents = new ConcurrentMap<OOBComponent>();
this.insideMixer = new InsideMixTask();
this.outsideMixer = new OutsideMixTask();
this.started = new AtomicBoolean(false);
}
public void addInsideComponent(OOBComponent component) {
insideComponents.put(component.getComponentId(), component);
}
public void addOutsideComponent(OOBComponent component) {
outsideComponents.put(component.getComponentId(), component);
}
/**
* Releases inside component
*
* @param component
*/
public void releaseInsideComponent(OOBComponent component) {
insideComponents.remove(component.getComponentId());
}
/**
* Releases outside component
*
* @param component
*/
public void releaseOutsideComponent(OOBComponent component) {
outsideComponents.remove(component.getComponentId());
}
public void start() {
mixCount = 0;
started.set(true);
scheduler.submit(insideMixer, PriorityQueueScheduler.MIXER_MIX_QUEUE);
scheduler.submit(outsideMixer, PriorityQueueScheduler.MIXER_MIX_QUEUE);
}
public void stop() {
started.set(false);
insideMixer.cancel();
outsideMixer.cancel();
}
private class InsideMixTask extends Task {
public InsideMixTask() {
super();
}
@Override
public int getQueueNumber() {
return PriorityQueueScheduler.MIXER_MIX_QUEUE;
}
@Override
public long perform() {
Frame current = null;
// summarize all
final Iterator<OOBComponent> insideRIterator = insideComponents.valuesIterator();
while (insideRIterator.hasNext()) {
OOBComponent component = insideRIterator.next();
component.perform();
current = component.getData();
if (current != null) {
break;
}
}
if (current == null) {
scheduler.submit(this, PriorityQueueScheduler.MIXER_MIX_QUEUE);
mixCount++;
return 0;
}
// get data for each component
final Iterator<OOBComponent> outsideSIterator = outsideComponents.valuesIterator();
while (outsideSIterator.hasNext()) {
OOBComponent component = outsideSIterator.next();
if (!outsideSIterator.hasNext()) {
component.offer(current);
} else {
component.offer(current.clone());
}
}
scheduler.submit(this, PriorityQueueScheduler.MIXER_MIX_QUEUE);
mixCount++;
return 0;
}
}
private class OutsideMixTask extends Task {
public OutsideMixTask() {
super();
}
@Override
public int getQueueNumber() {
return PriorityQueueScheduler.MIXER_MIX_QUEUE;
}
@Override
public long perform() {
Frame current = null;
// summarize all
final Iterator<OOBComponent> outsideRIterator = outsideComponents.valuesIterator();
while (outsideRIterator.hasNext()) {
OOBComponent component = outsideRIterator.next();
component.perform();
current = component.getData();
if (current != null) {
break;
}
}
if (current == null) {
scheduler.submit(this, PriorityQueueScheduler.MIXER_MIX_QUEUE);
mixCount++;
return 0;
}
// get data for each component
final Iterator<OOBComponent> insideSIterator = insideComponents.valuesIterator();
while (insideSIterator.hasNext()) {
OOBComponent component = insideSIterator.next();
if (!insideSIterator.hasNext()) {
component.offer(current);
} else {
component.offer(current.clone());
}
}
scheduler.submit(this, PriorityQueueScheduler.MIXER_MIX_QUEUE);
mixCount++;
return 0;
}
}
}