2 * Copyright (c) 2017 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.netvirt.elan.evpn.listeners;
11 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
13 import java.util.concurrent.ExecutionException;
14 import javax.annotation.PreDestroy;
15 import javax.inject.Inject;
16 import javax.inject.Singleton;
17 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
18 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
19 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
20 import org.opendaylight.infrautils.utils.concurrent.Executors;
21 import org.opendaylight.infrautils.utils.concurrent.LoggingFutures;
22 import org.opendaylight.mdsal.binding.api.DataBroker;
23 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
24 import org.opendaylight.netvirt.elan.evpn.utils.EvpnMacVrfUtils;
25 import org.opendaylight.netvirt.elan.evpn.utils.EvpnUtils;
26 import org.opendaylight.serviceutils.tools.listener.AbstractAsyncDataTreeChangeListener;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.EvpnAugmentation;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
37 public class EvpnElanInstanceListener extends AbstractAsyncDataTreeChangeListener<ElanInstance> {
38 private static final Logger LOG = LoggerFactory.getLogger(EvpnElanInstanceListener.class);
39 private final DataBroker broker;
40 private final ManagedNewTransactionRunner txRunner;
41 private final EvpnUtils evpnUtils;
42 private final EvpnMacVrfUtils evpnMacVrfUtils;
43 private final IMdsalApiManager mdsalManager;
47 public EvpnElanInstanceListener(final DataBroker dataBroker, final EvpnUtils evpnUtils,
48 EvpnMacVrfUtils evpnMacVrfUtils, IMdsalApiManager mdsalApiManager) {
49 super(dataBroker, LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(ElanInstances.class)
50 .child(ElanInstance.class),
51 Executors.newListeningSingleThreadExecutor("EvpnElanInstanceListener", LOG));
52 this.broker = dataBroker;
53 this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
54 this.evpnUtils = evpnUtils;
55 this.evpnMacVrfUtils = evpnMacVrfUtils;
56 this.mdsalManager = mdsalApiManager;
60 LOG.info("{} start", getClass().getSimpleName());
64 public void add(InstanceIdentifier<ElanInstance> instanceIdentifier, ElanInstance evpnAugmentation) {
68 public void remove(InstanceIdentifier<ElanInstance> instanceIdentifier, ElanInstance evpnAugmentation) {
72 public void update(InstanceIdentifier<ElanInstance> instanceIdentifier, ElanInstance original,
73 ElanInstance update) {
74 String elanName = update.getElanInstanceName();
75 LoggingFutures.addErrorLogging(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, confTx -> {
76 if (evpnUtils.isWithdrawEvpnRT2Routes(original, update)) {
77 evpnUtils.withdrawEvpnRT2Routes(original.augmentation(EvpnAugmentation.class), elanName);
78 evpnMacVrfUtils.updateEvpnDmacFlows(original, false);
79 evpnUtils.programEvpnL2vniDemuxTable(elanName,
80 (elan, interfaceName) -> evpnUtils.bindElanServiceToExternalTunnel(elanName, interfaceName),
81 (dpnId, flowEntity) -> mdsalManager.addFlow(confTx, flowEntity));
82 } else if (evpnUtils.isAdvertiseEvpnRT2Routes(original, update)) {
83 evpnUtils.advertiseEvpnRT2Routes(update.augmentation(EvpnAugmentation.class), elanName);
84 evpnMacVrfUtils.updateEvpnDmacFlows(update, true);
85 evpnUtils.programEvpnL2vniDemuxTable(elanName,
86 (elan, interfaceName) -> evpnUtils.unbindElanServiceFromExternalTunnel(elanName, interfaceName),
87 (dpnId, flowEntity) -> {
89 mdsalManager.removeFlow(confTx, dpnId, flowEntity.getFlowId(), flowEntity.getTableId());
90 } catch (ExecutionException | InterruptedException e) {
91 LOG.error("Error removing flow", e);
95 }), LOG, "Error handling EVPN ELAN instance update");
100 public void close() {
102 Executors.shutdownAndAwaitTermination(getExecutorService());