01 /*
02 *
03 * Licensed to the Apache Software Foundation (ASF) under one
04 * or more contributor license agreements. See the NOTICE file
05 * distributed with this work for additional information
06 * regarding copyright ownership. The ASF licenses this file
07 * to you under the Apache License, Version 2.0 (the
08 * "License"); you may not use this file except in compliance
09 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 */
21 package org.apache.qpid.client.handler;
22
23 import org.apache.qpid.AMQException;
24 import org.apache.qpid.client.ConnectionTuneParameters;
25 import org.apache.qpid.client.protocol.AMQProtocolSession;
26 import org.apache.qpid.client.state.AMQState;
27 import org.apache.qpid.client.state.StateAwareMethodListener;
28 import org.apache.qpid.framing.*;
29
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
32
33 public class ConnectionTuneMethodHandler implements StateAwareMethodListener<ConnectionTuneBody>
34 {
35 private static final Logger _logger = LoggerFactory.getLogger(ConnectionTuneMethodHandler.class);
36
37 private static final ConnectionTuneMethodHandler _instance = new ConnectionTuneMethodHandler();
38
39 public static ConnectionTuneMethodHandler getInstance()
40 {
41 return _instance;
42 }
43
44 protected ConnectionTuneMethodHandler()
45 { }
46
47 public void methodReceived(AMQProtocolSession session, ConnectionTuneBody frame, int channelId)
48 throws AMQException
49 {
50 _logger.debug("ConnectionTune frame received");
51 final MethodRegistry methodRegistry = session.getMethodRegistry();
52
53
54 ConnectionTuneParameters params = session.getConnectionTuneParameters();
55 if (params == null)
56 {
57 params = new ConnectionTuneParameters();
58 }
59
60 params.setFrameMax(frame.getFrameMax());
61 params.setChannelMax(frame.getChannelMax());
62 params.setHeartbeat(Integer.getInteger("amqj.heartbeat.delay", frame.getHeartbeat()));
63 session.setConnectionTuneParameters(params);
64
65 session.getStateManager().changeState(AMQState.CONNECTION_NOT_OPENED);
66
67 ConnectionTuneOkBody tuneOkBody = methodRegistry.createConnectionTuneOkBody(params.getChannelMax(),
68 params.getFrameMax(),
69 params.getHeartbeat());
70 // Be aware of possible changes to parameter order as versions change.
71 session.writeFrame(tuneOkBody.generateFrame(channelId));
72
73 String host = session.getAMQConnection().getVirtualHost();
74 AMQShortString virtualHost = new AMQShortString("/" + host);
75
76 ConnectionOpenBody openBody = methodRegistry.createConnectionOpenBody(virtualHost,null,true);
77
78 // Be aware of possible changes to parameter order as versions change.
79 session.writeFrame(openBody.generateFrame(channelId));
80 }
81
82
83 }
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