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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.qpid.server.handler;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.AMQFrame;
import org.apache.qpid.framing.ChannelOpenBody;
import org.apache.qpid.framing.ChannelOpenOkBody;
import org.apache.qpid.server.AMQChannel;
import org.apache.qpid.server.registry.ApplicationRegistry;
import org.apache.qpid.server.registry.IApplicationRegistry;
import org.apache.qpid.server.exchange.ExchangeRegistry;
import org.apache.qpid.protocol.AMQMethodEvent;
import org.apache.qpid.server.protocol.AMQProtocolSession;
import org.apache.qpid.server.queue.QueueRegistry;
import org.apache.qpid.server.state.AMQStateManager;
import org.apache.qpid.server.state.StateAwareMethodListener;
public class ChannelOpenHandler implements StateAwareMethodListener<ChannelOpenBody>
{
private static ChannelOpenHandler _instance = new ChannelOpenHandler();
public static ChannelOpenHandler getInstance()
{
return _instance;
}
private ChannelOpenHandler()
{
}
public void methodReceived(AMQStateManager stateManager, QueueRegistry queueRegistry,
ExchangeRegistry exchangeRegistry, AMQProtocolSession protocolSession,
AMQMethodEvent<ChannelOpenBody> evt) throws AMQException
{
IApplicationRegistry registry = ApplicationRegistry.getInstance();
final AMQChannel channel = new AMQChannel(evt.getChannelId(), registry.getMessageStore(),
exchangeRegistry);
protocolSession.addChannel(channel);
// AMQP version change: Hardwire the version to 0-8 (major=8, minor=0)
// TODO: Connect this to the session version obtained from ProtocolInitiation for this session.
// Be aware of possible changes to parameter order as versions change.
AMQFrame response = ChannelOpenOkBody.createAMQFrame(evt.getChannelId(), (byte)8, (byte)0);
protocolSession.writeFrame(response);
}
}
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