01 package org.apache.qpid.server.handler;
02 /*
03 *
04 * Licensed to the Apache Software Foundation (ASF) under one
05 * or more contributor license agreements. See the NOTICE file
06 * distributed with this work for additional information
07 * regarding copyright ownership. The ASF licenses this file
08 * to you under the Apache License, Version 2.0 (the
09 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 *
21 */
22
23
24 import org.apache.log4j.Logger;
25
26 import org.apache.qpid.framing.BasicRecoverBody;
27 import org.apache.qpid.framing.ProtocolVersion;
28 import org.apache.qpid.framing.AMQMethodBody;
29 import org.apache.qpid.framing.BasicRecoverSyncBody;
30 import org.apache.qpid.framing.amqp_0_9.MethodRegistry_0_9;
31 import org.apache.qpid.framing.amqp_8_0.MethodRegistry_8_0;
32 import org.apache.qpid.server.state.StateAwareMethodListener;
33 import org.apache.qpid.server.state.AMQStateManager;
34 import org.apache.qpid.server.protocol.AMQProtocolSession;
35 import org.apache.qpid.server.AMQChannel;
36 import org.apache.qpid.AMQException;
37
38 public class BasicRecoverSyncMethodHandler implements StateAwareMethodListener<BasicRecoverSyncBody>
39 {
40 private static final Logger _logger = Logger.getLogger(BasicRecoverSyncMethodHandler.class);
41
42 private static final BasicRecoverSyncMethodHandler _instance = new BasicRecoverSyncMethodHandler();
43
44 public static BasicRecoverSyncMethodHandler getInstance()
45 {
46 return _instance;
47 }
48
49 public void methodReceived(AMQStateManager stateManager, BasicRecoverSyncBody body, int channelId) throws AMQException
50 {
51 AMQProtocolSession session = stateManager.getProtocolSession();
52
53 _logger.debug("Recover received on protocol session " + session + " and channel " + channelId);
54 AMQChannel channel = session.getChannel(channelId);
55
56
57 if (channel == null)
58 {
59 throw body.getChannelNotFoundException(channelId);
60 }
61
62 channel.resend(body.getRequeue());
63
64 // Qpid 0-8 hacks a synchronous -ok onto recover.
65 // In Qpid 0-9 we create a separate sync-recover, sync-recover-ok pair to be "more" compliant
66 if(session.getProtocolVersion().equals(ProtocolVersion.v0_9))
67 {
68 MethodRegistry_0_9 methodRegistry = (MethodRegistry_0_9) session.getMethodRegistry();
69 AMQMethodBody recoverOk = methodRegistry.createBasicRecoverSyncOkBody();
70 session.writeFrame(recoverOk.generateFrame(channelId));
71
72 }
73
74 }
75 }
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