2 * Copyright (c) 2017 Red Hat, Inc. and others. All rights reserved.
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
8 package org.opendaylight.netvirt.natservice.ha;
10 import java.math.BigInteger;
11 import java.util.concurrent.Executors;
13 import javax.inject.Inject;
15 import javax.inject.Singleton;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.genius.mdsalutil.MDSALUtil;
20 import org.opendaylight.netvirt.natservice.api.CentralizedSwitchScheduler;
21 import org.opendaylight.serviceutils.tools.mdsal.listener.AbstractClusteredAsyncDataTreeChangeListener;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.config.rev170206.NatserviceConfig;
26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
31 * CentralizedSwitchChangeListener adds/removes the switches to scheduler pool when a switch is
35 public class SnatNodeEventListener extends AbstractClusteredAsyncDataTreeChangeListener<Node> {
36 private static final Logger LOG = LoggerFactory.getLogger(SnatNodeEventListener.class);
37 private final CentralizedSwitchScheduler centralizedSwitchScheduler;
38 private final NatserviceConfig.NatMode natMode;
41 public SnatNodeEventListener(final DataBroker dataBroker,
42 final CentralizedSwitchScheduler centralizedSwitchScheduler,
43 final NatserviceConfig config) {
45 super(dataBroker,new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, InstanceIdentifier
46 .create(Nodes.class).child(Node.class)),
47 Executors.newSingleThreadExecutor());
48 this.centralizedSwitchScheduler = centralizedSwitchScheduler;
50 this.natMode = config.getNatMode();
52 this.natMode = NatserviceConfig.NatMode.Controller;
57 public void remove(Node dataObjectModification) {
58 if (natMode == NatserviceConfig.NatMode.Conntrack) {
59 NodeKey nodeKey = dataObjectModification.key();
60 BigInteger dpnId = MDSALUtil.getDpnIdFromNodeName(nodeKey.getId());
61 LOG.info("Dpn removed {}", dpnId);
62 centralizedSwitchScheduler.removeSwitch(dpnId);
67 public void update(Node dataObjectModificationBefore,
68 Node dataObjectModificationAfter) {
73 public void add(Node dataObjectModification) {
74 if (natMode == NatserviceConfig.NatMode.Conntrack) {
75 NodeKey nodeKey = dataObjectModification.key();
76 BigInteger dpnId = MDSALUtil.getDpnIdFromNodeName(nodeKey.getId());
77 LOG.info("Dpn added {}", dpnId);
78 centralizedSwitchScheduler.addSwitch(dpnId);