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.vpnservice.elan.internal;
11 import com.google.common.base.Optional;
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;
15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
16 import org.opendaylight.vpnservice.elan.utils.ElanUtils;
17 import org.opendaylight.vpnservice.interfacemgr.globals.InterfaceInfo;
18 import org.opendaylight.vpnservice.interfacemgr.interfaces.IInterfaceManager;
19 import org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener;
20 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.L2vlan;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstance;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterface;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.TunnelList;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.tunnel.list.InternalTunnel;
30 import org.opendaylight.yangtools.concepts.ListenerRegistration;
31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
35 import java.math.BigInteger;
36 import java.util.List;
38 public class ElanInterfaceStateChangeListener extends AbstractDataChangeListener<Interface> implements AutoCloseable {
39 private DataBroker broker;
40 private IInterfaceManager interfaceManager;
41 private ElanInterfaceManager elanInterfaceManager;
42 private ListenerRegistration<DataChangeListener> listenerRegistration;
43 private static final Logger logger = LoggerFactory.getLogger(ElanInterfaceStateChangeListener.class);
45 public ElanInterfaceStateChangeListener(final DataBroker db, final ElanInterfaceManager ifManager) {
46 super(Interface.class);
48 elanInterfaceManager = ifManager;
52 private void registerListener(final DataBroker db) {
54 listenerRegistration = broker.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
55 getWildCardPath(), ElanInterfaceStateChangeListener.this, AsyncDataBroker.DataChangeScope.SUBTREE);
56 } catch (final Exception e) {
57 logger.error("Elan Interfaces DataChange listener registration fail!", e);
58 throw new IllegalStateException("ElanInterface registration Listener failed.", e);
62 private InstanceIdentifier<Interface> getWildCardPath() {
63 return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
66 public void setInterfaceManager(IInterfaceManager interfaceManager) {
67 this.interfaceManager = interfaceManager;
70 private void handleVlanInterfaceOperationalStateChange(String interfaceName, boolean isStateUp) {
71 //fetching the elanInstanceName from elan-interface config data-store
72 ElanInterface elanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
73 if (elanInterface == null) {
76 ElanInstance elanInfo = ElanUtils.getElanInstanceByName(elanInterface.getElanInstanceName());
77 InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfoFromOperationalDataStore(interfaceName,
78 InterfaceInfo.InterfaceType.VLAN_INTERFACE);
79 if (interfaceInfo == null) {
80 logger.warn("Interface {} doesn't exist in operational datastore", interfaceName);
84 logger.trace("ElanService Interface Operational state has changes for Interface:{}", interfaceName);
85 elanInterfaceManager.handleInterfaceUpated(interfaceInfo, elanInfo , isStateUp);
89 protected void remove(InstanceIdentifier<Interface> identifier, Interface delIf) {
90 logger.trace("Received interface {} Down event", delIf);
91 String interfaceName = delIf.getName();
92 ElanInterface elanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
93 if(elanInterface == null) {
94 logger.debug("No Elan Interface is created for the interface:{} ", interfaceName);
97 NodeConnectorId nodeConnectorId = new NodeConnectorId(delIf.getLowerLayerIf().get(0));
98 BigInteger dpId = MDSALUtil.getDpnIdFromNodeName(nodeConnectorId.getValue());
99 InterfaceInfo interfaceInfo = new InterfaceInfo(dpId, nodeConnectorId.getValue());
100 interfaceInfo.setInterfaceName(interfaceName);
101 interfaceInfo.setInterfaceType(InterfaceInfo.InterfaceType.VLAN_INTERFACE);
102 interfaceInfo.setInterfaceTag(delIf.getIfIndex());
103 elanInterfaceManager.removeElanService(elanInterface, interfaceInfo);
107 protected void update(InstanceIdentifier<Interface> identifier, Interface original, Interface update) {
108 logger.trace("Operation Interface update event - Old: {}, New: {}", original, update);
109 String interfaceName = update.getName();
110 if(update.getType().equals(Tunnel.class)) {
111 if (update.getOperStatus().equals(Interface.OperStatus.Up)) {
112 InternalTunnel internalTunnel = getTunnelState(interfaceName);
113 if (internalTunnel != null) {
114 elanInterfaceManager.handleTunnelStateEvent(internalTunnel.getSourceDPN(), internalTunnel.getDestinationDPN());
117 } else if(update.getType().equals(L2vlan.class)) {
118 ElanInterface elanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
119 if(elanInterface == null) {
120 logger.debug("No Elan Interface is created for the interface:{} ", interfaceName);
123 if (update.getOperStatus().equals(Interface.OperStatus.Up) && update.getAdminStatus() == Interface.AdminStatus.Up) {
124 logger.trace("Operation Status for Interface:{} event state UP ", interfaceName);
125 handleVlanInterfaceOperationalStateChange(interfaceName, true);
126 } else if (update.getOperStatus().equals(Interface.OperStatus.Down)) {
127 logger.trace("Operation Status for Interface:{} event state DOWN ", interfaceName);
128 handleVlanInterfaceOperationalStateChange(interfaceName, false);
135 protected void add(InstanceIdentifier<Interface> identifier, Interface intrf) {
136 logger.trace("Received interface {} up event", intrf);
137 String interfaceName = intrf.getName();
138 ElanInterface elanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
139 if(elanInterface == null) {
140 if (intrf.getType() != null && intrf.getType().equals(Tunnel.class)) {
141 if(intrf.getOperStatus().equals(Interface.OperStatus.Up)) {
142 InternalTunnel internalTunnel = getTunnelState(interfaceName);
143 if (internalTunnel != null) {
144 elanInterfaceManager.handleTunnelStateEvent(internalTunnel.getSourceDPN(), internalTunnel.getDestinationDPN());
150 InstanceIdentifier<ElanInterface> elanInterfaceId = ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName);
151 elanInterfaceManager.add(elanInterfaceId, elanInterface);
155 public void close() throws Exception {
159 public InternalTunnel getTunnelState(String interfaceName) {
160 InternalTunnel internalTunnel = null;
161 TunnelList tunnelList = ElanUtils.buildInternalTunnel(broker);
162 if (tunnelList.getInternalTunnel() != null) {
163 List<InternalTunnel> internalTunnels = tunnelList.getInternalTunnel();
164 for (InternalTunnel tunnel : internalTunnels) {
165 if (internalTunnel.getTunnelInterfaceName().equalsIgnoreCase(interfaceName)) {
166 internalTunnel = tunnel;
171 return internalTunnel;