2 * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. 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
9 package org.opendaylight.vpnservice.neutronvpn;
12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
13 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
14 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
16 import org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener;
17 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.ElanInstances;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstance;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstanceBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstanceKey;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.Networks;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
25 import org.opendaylight.yangtools.concepts.ListenerRegistration;
26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
31 public class NeutronNetworkChangeListener extends AbstractDataChangeListener<Network> implements AutoCloseable {
32 private static final Logger LOG = LoggerFactory.getLogger(NeutronNetworkChangeListener.class);
34 private ListenerRegistration<DataChangeListener> listenerRegistration;
35 private final DataBroker broker;
36 private NeutronvpnManager nvpnManager;
39 public NeutronNetworkChangeListener(final DataBroker db, NeutronvpnManager nVpnMgr) {
42 nvpnManager = nVpnMgr;
47 public void close() throws Exception {
48 if (listenerRegistration != null) {
50 listenerRegistration.close();
51 } catch (final Exception e) {
52 LOG.error("Error when cleaning up DataChangeListener.", e);
54 listenerRegistration = null;
56 LOG.info("N_Network listener Closed");
60 private void registerListener(final DataBroker db) {
62 listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
63 InstanceIdentifier.create(Neutron.class).
64 child(Networks.class).child(Network.class),
65 NeutronNetworkChangeListener.this, DataChangeScope.SUBTREE);
66 LOG.info("Neutron Manager Network DataChange listener registration Success!");
67 } catch (final Exception e) {
68 LOG.error("Neutron Manager Network DataChange listener registration fail!", e);
69 throw new IllegalStateException("Neutron Manager Network DataChange listener registration failed.", e);
74 protected void add(InstanceIdentifier<Network> identifier, Network input) {
75 if (LOG.isTraceEnabled()) {
76 LOG.trace("Adding Network : key: " + identifier + ", value=" + input);
78 //Create ELAN instance for this network
79 createElanInstance(input.getUuid().getValue());
83 protected void remove(InstanceIdentifier<Network> identifier, Network input) {
84 if (LOG.isTraceEnabled()) {
85 LOG.trace("Removing Network : key: " + identifier + ", value=" + input);
87 //Delete ELAN instance for this network
88 deleteElanInstance(input.getUuid().getValue());
92 protected void update(InstanceIdentifier<Network> identifier, Network original, Network update) {
93 if (LOG.isTraceEnabled()) {
94 LOG.trace("Updating Network : key: " + identifier + ", original value=" + original + ", update value=" +
99 private void createElanInstance(String elanInstanceName) {
100 ElanInstance elanInstance = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName).setKey(new
101 ElanInstanceKey(elanInstanceName)).build();
102 InstanceIdentifier<ElanInstance> id = InstanceIdentifier.builder(ElanInstances.class)
103 .child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).build();
104 MDSALUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION, id, elanInstance);
108 private void deleteElanInstance(String elanInstanceName) {
109 InstanceIdentifier<ElanInstance> id = InstanceIdentifier.builder(ElanInstances.class)
110 .child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).build();
111 MDSALUtil.syncDelete(broker, LogicalDatastoreType.CONFIGURATION, id);