/*
* Copyright 2004-2006 Stefan Reuter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.asteriskjava.fastagi.internal;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import org.asteriskjava.fastagi.AgiException;
import org.asteriskjava.fastagi.MappingStrategy;
import org.asteriskjava.fastagi.command.AsyncAgiBreakCommand;
import org.asteriskjava.manager.event.AsyncAgiEvent;
import org.asteriskjava.manager.ManagerConnection;
/**
* An AgiConnectionHandler for AsyncAGI.
* <p/>
* It reads the request using a AsyncAgiReader and runs the AgiScript configured to
* handle this type of request. Finally it sends an {@link org.asteriskjava.fastagi.command.AsyncAgiBreakCommand}.
*
* @author srt
* @version $Id$
*/
public class AsyncAgiConnectionHandler extends AgiConnectionHandler
{
private final ManagerConnection connection;
private volatile String channelName;
private final List<String> environment;
private final BlockingQueue<AsyncAgiEvent> asyncAgiEvents;
private AsyncAgiWriter writer;
/**
* Creates a new FastAGIConnectionHandler to handle the given FastAGI socket connection.
*
* @param mappingStrategy the strategy to use to determine which script to run.
* @param asyncAgiStartEvent the AsyncAgiEvent that started this connection, must be a start sub event.
* @param agiChannelFactory The factory to use for creating new AgiChannel instances.
* @throws IllegalArgumentException if asyncAgiStartEvent is not a start sub type".
*/
public AsyncAgiConnectionHandler(MappingStrategy mappingStrategy, AsyncAgiEvent asyncAgiStartEvent, AgiChannelFactory agiChannelFactory) throws IllegalArgumentException
{
super(mappingStrategy, agiChannelFactory);
if (!asyncAgiStartEvent.isStart())
{
throw new IllegalArgumentException("AsyncAgiEvent passed to AsyncAgiConnectionHandler is not a start sub event");
}
connection = (ManagerConnection) asyncAgiStartEvent.getSource();
channelName = asyncAgiStartEvent.getChannel();
environment = asyncAgiStartEvent.decodeEnv();
asyncAgiEvents = new LinkedBlockingQueue<AsyncAgiEvent>();
setIgnoreMissingScripts(true);
}
@Override
protected AgiReader createReader()
{
return new AsyncAgiReader(connection, environment, asyncAgiEvents);
}
@Override
protected AgiWriter createWriter()
{
writer = new AsyncAgiWriter(connection, channelName);
return writer;
}
@Override
public void release()
{
if (writer != null && (getScript() != null || ! isIgnoreMissingScripts()))
{
try
{
writer.sendCommand(new AsyncAgiBreakCommand());
}
catch (AgiException e) // NOPMD
{
// ignore
}
}
}
public void onAsyncAgiExecEvent(AsyncAgiEvent event)
{
asyncAgiEvents.offer(event);
}
public void onAsyncAgiEndEvent(AsyncAgiEvent event)
{
asyncAgiEvents.offer(event);
}
public void updateChannelName(String channelName)
{
this.channelName = channelName;
writer.updateChannelName(channelName);
}
}