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
8 package org.opendaylight.netvirt.vpnmanager;
10 import com.google.common.base.Optional;
11 import java.math.BigInteger;
12 import java.util.Collection;
13 import java.util.List;
14 import java.util.concurrent.ExecutionException;
15 import javax.inject.Inject;
16 import javax.inject.Singleton;
17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
18 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.AddDpnEvent;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.AddInterfaceToDpnOnVpnEvent;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.OdlL3vpnListener;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.RemoveDpnEvent;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.RemoveInterfaceFromDpnOnVpnEvent;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.remove.dpn.event.RemoveEventData;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnList;
28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
33 public class DpnInVpnChangeListener implements OdlL3vpnListener {
34 private static final Logger LOG = LoggerFactory.getLogger(DpnInVpnChangeListener.class);
35 private final DataBroker dataBroker;
38 public DpnInVpnChangeListener(DataBroker dataBroker) {
39 this.dataBroker = dataBroker;
43 public void onAddDpnEvent(AddDpnEvent notification) {
48 public void onRemoveDpnEvent(RemoveDpnEvent notification) {
50 RemoveEventData eventData = notification.getRemoveEventData();
51 final String rd = eventData.getRd();
52 final String vpnName = eventData.getVpnName();
53 BigInteger dpnId = eventData.getDpnId();
55 LOG.trace("Remove Dpn Event notification received for rd {} VpnName {} DpnId {}", rd, vpnName, dpnId);
57 synchronized (vpnName.intern()) {
58 InstanceIdentifier<VpnInstanceOpDataEntry> id = VpnUtil.getVpnInstanceOpDataIdentifier(rd);
59 Optional<VpnInstanceOpDataEntry> vpnOpValue =
60 VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, id);
62 if (vpnOpValue.isPresent()) {
63 VpnInstanceOpDataEntry vpnInstOpData = vpnOpValue.get();
64 List<VpnToDpnList> vpnToDpnList = vpnInstOpData.getVpnToDpnList();
65 boolean flushDpnsOnVpn = true;
66 for (VpnToDpnList dpn : vpnToDpnList) {
67 if (dpn.getDpnState() == VpnToDpnList.DpnState.Active) {
68 flushDpnsOnVpn = false;
73 WriteTransaction writeTxn = dataBroker.newWriteOnlyTransaction();
74 deleteDpn(vpnToDpnList, rd, writeTxn);
76 writeTxn.submit().get();
77 } catch (InterruptedException | ExecutionException e) {
78 LOG.error("Error removing dpnToVpnList for vpn {} ", vpnName);
79 throw new RuntimeException(e.getMessage(), e);
86 protected void deleteDpn(Collection<VpnToDpnList> vpnToDpnList, String rd, WriteTransaction writeTxn) {
87 for (final VpnToDpnList curDpn : vpnToDpnList) {
88 InstanceIdentifier<VpnToDpnList> vpnToDpnId = VpnUtil.getVpnToDpnListIdentifier(rd, curDpn.getDpnId());
89 writeTxn.delete(LogicalDatastoreType.OPERATIONAL, vpnToDpnId);
94 public void onAddInterfaceToDpnOnVpnEvent(AddInterfaceToDpnOnVpnEvent notification) {
98 public void onRemoveInterfaceFromDpnOnVpnEvent(RemoveInterfaceFromDpnOnVpnEvent notification) {