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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* 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.apache.qpid.client.handler;
import org.apache.log4j.Logger;
import org.apache.qpid.AMQException;
import org.apache.qpid.client.ConnectionTuneParameters;
import org.apache.qpid.client.protocol.AMQMethodEvent;
import org.apache.qpid.client.protocol.AMQProtocolSession;
import org.apache.qpid.client.state.AMQState;
import org.apache.qpid.client.state.AMQStateManager;
import org.apache.qpid.client.state.StateAwareMethodListener;
import org.apache.qpid.framing.ConnectionOpenBody;
import org.apache.qpid.framing.ConnectionTuneBody;
import org.apache.qpid.framing.ConnectionTuneOkBody;
import org.apache.qpid.framing.AMQFrame;
public class ConnectionTuneMethodHandler implements StateAwareMethodListener
{
private static final Logger _logger = Logger.getLogger(ConnectionTuneMethodHandler.class);
private static final ConnectionTuneMethodHandler _instance = new ConnectionTuneMethodHandler();
public static ConnectionTuneMethodHandler getInstance()
{
return _instance;
}
protected ConnectionTuneMethodHandler()
{
}
public void methodReceived(AMQStateManager stateManager, AMQMethodEvent evt) throws AMQException
{
_logger.debug("ConnectionTune frame received");
ConnectionTuneBody frame = (ConnectionTuneBody) evt.getMethod();
AMQProtocolSession session = evt.getProtocolSession();
ConnectionTuneParameters params = session.getConnectionTuneParameters();
if (params == null)
{
params = new ConnectionTuneParameters();
}
params.setFrameMax(frame.frameMax);
params.setChannelMax(frame.channelMax);
params.setHeartbeat(Integer.getInteger("amqj.heartbeat.delay", frame.heartbeat));
session.setConnectionTuneParameters(params);
stateManager.changeState(AMQState.CONNECTION_NOT_OPENED);
session.writeFrame(createTuneOkFrame(evt.getChannelId(), params));
session.writeFrame(createConnectionOpenFrame(evt.getChannelId(), session.getAMQConnection().getVirtualHost(), null, true));
}
protected AMQFrame createConnectionOpenFrame(int channel, String path, String capabilities, boolean insist)
{
return ConnectionOpenBody.createAMQFrame(channel, path, capabilities, insist);
}
protected AMQFrame createTuneOkFrame(int channel, ConnectionTuneParameters params)
{
return ConnectionTuneOkBody.createAMQFrame(channel, params.getChannelMax(), params.getFrameMax(), params.getHeartbeat());
}
}
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