Move ServerConfigurationPayload to cluster.raft.persisted
[controller.git] / opendaylight / md-sal / sal-akka-raft / src / main / java / org / opendaylight / controller / cluster / raft / GetSnapshotReplyActor.java
1 /*
2  * Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6  * and is available at http://www.eclipse.org/legal/epl-v10.html
7  */
8 package org.opendaylight.controller.cluster.raft;
9
10 import akka.actor.ActorRef;
11 import akka.actor.PoisonPill;
12 import akka.actor.Props;
13 import akka.actor.ReceiveTimeout;
14 import akka.actor.UntypedActor;
15 import com.google.common.base.Preconditions;
16 import java.util.concurrent.TimeoutException;
17 import org.apache.commons.lang3.SerializationUtils;
18 import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshot;
19 import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshotReply;
20 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshotReply;
21 import org.opendaylight.controller.cluster.raft.persisted.ServerConfigurationPayload;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
24 import scala.concurrent.duration.Duration;
25
26 /**
27  * Temporary actor used to receive a CaptureSnapshotReply message and return a GetSnapshotReply instance.
28  *
29  * @author Thomas Pantelis
30  */
31 class GetSnapshotReplyActor extends UntypedActor {
32     private static final Logger LOG = LoggerFactory.getLogger(GetSnapshotReplyActor.class);
33
34     private final Params params;
35
36     private GetSnapshotReplyActor(Params params) {
37         this.params = params;
38
39         getContext().setReceiveTimeout(params.receiveTimeout);
40     }
41
42     @Override
43     public void onReceive(Object message) {
44         if(message instanceof CaptureSnapshotReply) {
45             Snapshot snapshot = Snapshot.create(((CaptureSnapshotReply)message).getSnapshot(),
46                     params.captureSnapshot.getUnAppliedEntries(),
47                     params.captureSnapshot.getLastIndex(), params.captureSnapshot.getLastTerm(),
48                     params.captureSnapshot.getLastAppliedIndex(), params.captureSnapshot.getLastAppliedTerm(),
49                     params.electionTerm.getCurrentTerm(), params.electionTerm.getVotedFor(),
50                     params.peerInformation);
51
52             LOG.debug("{}: Received CaptureSnapshotReply, sending {}", params.id, snapshot);
53
54             params.replyToActor.tell(new GetSnapshotReply(params.id, SerializationUtils.serialize(snapshot)), getSelf());
55             getSelf().tell(PoisonPill.getInstance(), getSelf());
56         } else if (message instanceof ReceiveTimeout) {
57             LOG.warn("{}: Got ReceiveTimeout for inactivity - did not receive CaptureSnapshotReply within {} ms",
58                     params.id, params.receiveTimeout.toMillis());
59
60             params.replyToActor.tell(new akka.actor.Status.Failure(new TimeoutException(String.format(
61                     "Timed out after %d ms while waiting for CaptureSnapshotReply",
62                         params.receiveTimeout.toMillis()))), getSelf());
63             getSelf().tell(PoisonPill.getInstance(), getSelf());
64         }
65     }
66
67     public static Props props(CaptureSnapshot captureSnapshot, ElectionTerm electionTerm, ActorRef replyToActor,
68             Duration receiveTimeout, String id, ServerConfigurationPayload updatedPeerInfo) {
69         return Props.create(GetSnapshotReplyActor.class, new Params(captureSnapshot, electionTerm, replyToActor,
70                 receiveTimeout, id, updatedPeerInfo));
71     }
72
73     private static final class Params {
74         final CaptureSnapshot captureSnapshot;
75         final ActorRef replyToActor;
76         final ElectionTerm electionTerm;
77         final Duration receiveTimeout;
78         final String id;
79         final ServerConfigurationPayload peerInformation;
80
81         Params(CaptureSnapshot captureSnapshot, ElectionTerm electionTerm, ActorRef replyToActor,
82                 Duration receiveTimeout, String id, ServerConfigurationPayload peerInfo) {
83             this.captureSnapshot = Preconditions.checkNotNull(captureSnapshot);
84             this.electionTerm = Preconditions.checkNotNull(electionTerm);
85             this.replyToActor = Preconditions.checkNotNull(replyToActor);
86             this.receiveTimeout = Preconditions.checkNotNull(receiveTimeout);
87             this.id = Preconditions.checkNotNull(id);
88             this.peerInformation = peerInfo;
89         }
90     }
91 }

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