/**
*
* Copyright 2004 Hiram Chirino
*
* 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.codehaus.activemq.transport.activeio;
import java.io.IOException;
import javax.jms.JMSException;
import org.activeio.AcceptListener;
import org.activeio.AsynchChannel;
import org.activeio.AsynchChannelServer;
import org.activeio.Channel;
import org.activeio.adapter.SynchToAsynchChannelAdapter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.codehaus.activemq.io.WireFormat;
import org.codehaus.activemq.transport.TransportServerChannelSupport;
import org.codehaus.activemq.util.JMSExceptionHelper;
import EDU.oswego.cs.dl.util.concurrent.SynchronizedBoolean;
/**
* Binds to a well known port and listens for Sockets ...
*
* @version $Revision: 1.2 $
*/
public class ActiveIOTransportServerChannel extends TransportServerChannelSupport implements AcceptListener {
private static final Log log = LogFactory.getLog(ActiveIOTransportServerChannel.class);
private final WireFormat wireFormat;
private final AsynchChannelServer server;
private final SynchronizedBoolean closed = new SynchronizedBoolean(false);
/**
* @param wireFormat
* @param server
*/
public ActiveIOTransportServerChannel(WireFormat wireFormat, AsynchChannelServer server) {
super(server.getBindURI());
this.wireFormat = wireFormat;
this.server = server;
server.setAcceptListener(this);
}
public void start() throws JMSException {
try {
super.start();
server.start();
} catch (IOException e) {
throw JMSExceptionHelper.newJMSException(e.getMessage(), e);
}
}
public void stop() throws JMSException {
if (closed.commit(false, true)) {
super.stop();
server.dispose();
}
}
/**
* @return pretty print of this
*/
public String toString() {
return "ActiveIOTransportServerChannel@" + getUrl();
}
public void onAccept(Channel c) {
if (closed.get()) {
c.dispose();
return;
}
AsynchChannel channel = SynchToAsynchChannelAdapter.adapt(c);
// If the channel is not allready buffered.. lets buffer it.
//if (channel.narrow(WriteBufferedAsynchChannel.class) == null
// && channel.narrow(WriteBufferedSynchChannel.class) == null) {
// channel = new WriteBufferedAsynchChannel(channel);
//}
addClient(new ActiveIOTransportChannel(wireFormat.copy(), channel));
}
public void onAcceptError(IOException error) {
if (!closed.get()) {
log.warn("Caught exception accepting connection: " + error, error);
try {
stop();
} catch (JMSException e) {
}
}
}
}