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 com.google.common.util.concurrent.CheckedFuture;
12 import java.math.BigInteger;
13 import java.util.Collection;
14 import java.util.List;
15 import java.util.concurrent.ExecutionException;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
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.OdlL3vpnListener;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.RemoveDpnEvent;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.remove.dpn.event.RemoveEventData;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnList;
26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
30 public class DpnInVpnChangeListener implements OdlL3vpnListener {
31 private static final Logger LOG = LoggerFactory.getLogger(DpnInVpnChangeListener.class);
32 private final DataBroker dataBroker;
34 public DpnInVpnChangeListener(DataBroker dataBroker) {
35 this.dataBroker = dataBroker;
38 public void onAddDpnEvent(AddDpnEvent notification) {
42 public void onRemoveDpnEvent(RemoveDpnEvent notification) {
44 RemoveEventData eventData = notification.getRemoveEventData();
45 final String rd = eventData.getRd();
46 final String vpnName = eventData.getVpnName();
47 BigInteger dpnId = eventData.getDpnId();
49 LOG.trace("Remove Dpn Event notification received for rd {} VpnName {} DpnId {}", rd , vpnName, dpnId);
51 synchronized (vpnName.intern()) {
52 InstanceIdentifier<VpnInstanceOpDataEntry> id = VpnUtil.getVpnInstanceOpDataIdentifier(rd);
53 Optional<VpnInstanceOpDataEntry> vpnOpValue = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, id);
55 if (vpnOpValue.isPresent()) {
56 VpnInstanceOpDataEntry vpnInstOpData = vpnOpValue.get();
57 List<VpnToDpnList> vpnToDpnList = vpnInstOpData.getVpnToDpnList();
58 boolean flushDpnsOnVpn = true;
59 for (VpnToDpnList dpn: vpnToDpnList) {
60 if (dpn.getDpnState() == VpnToDpnList.DpnState.Active) {
61 flushDpnsOnVpn = false;
66 WriteTransaction writeTxn = dataBroker.newWriteOnlyTransaction();
67 deleteDpn(vpnToDpnList , rd , writeTxn);
68 CheckedFuture<Void, TransactionCommitFailedException> futures = writeTxn.submit();
71 } catch (InterruptedException | ExecutionException e) {
72 LOG.error("Error removing dpnToVpnList for vpn {} ", vpnName);
73 throw new RuntimeException(e.getMessage());
80 protected void deleteDpn(Collection<VpnToDpnList> vpnToDpnList, String rd, WriteTransaction writeTxn) {
81 for (final VpnToDpnList curDpn : vpnToDpnList) {
82 InstanceIdentifier<VpnToDpnList> VpnToDpnId = VpnUtil.getVpnToDpnListIdentifier(rd, curDpn.getDpnId());
83 writeTxn.delete(LogicalDatastoreType.OPERATIONAL, VpnToDpnId);