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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
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package org.apache.qpid.server.protocol.v0_8.handler;
import org.apache.log4j.Logger;
import org.apache.qpid.AMQException;
import org.apache.qpid.framing.ChannelCloseBody;
import org.apache.qpid.framing.ChannelCloseOkBody;
import org.apache.qpid.framing.MethodRegistry;
import org.apache.qpid.protocol.AMQConstant;
import org.apache.qpid.server.protocol.v0_8.AMQChannel;
import org.apache.qpid.server.protocol.v0_8.AMQProtocolSession;
import org.apache.qpid.server.protocol.v0_8.state.AMQStateManager;
import org.apache.qpid.server.protocol.v0_8.state.StateAwareMethodListener;
public class ChannelCloseHandler implements StateAwareMethodListener<ChannelCloseBody>
{
private static final Logger _logger = Logger.getLogger(ChannelCloseHandler.class);
private static ChannelCloseHandler _instance = new ChannelCloseHandler();
public static ChannelCloseHandler getInstance()
{
return _instance;
}
private ChannelCloseHandler()
{
}
public void methodReceived(AMQStateManager stateManager, ChannelCloseBody body, int channelId) throws AMQException
{
AMQProtocolSession session = stateManager.getProtocolSession();
if (_logger.isInfoEnabled())
{
_logger.info("Received channel close for id " + channelId + " citing class " + body.getClassId() +
" and method " + body.getMethodId());
}
AMQChannel channel = session.getChannel(channelId);
if (channel == null)
{
throw body.getConnectionException(AMQConstant.CHANNEL_ERROR, "Trying to close unknown channel");
}
channel.sync();
session.closeChannel(channelId);
// Client requested closure so we don't wait for ok we send it
stateManager.getProtocolSession().closeChannelOk(channelId);
MethodRegistry methodRegistry = session.getMethodRegistry();
ChannelCloseOkBody responseBody = methodRegistry.createChannelCloseOkBody();
session.writeFrame(responseBody.generateFrame(channelId));
}
}