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.LogicalDatastoreType;
15 import org.opendaylight.vpnservice.elan.utils.ElanUtils;
16 import org.opendaylight.vpnservice.interfacemgr.globals.InterfaceInfo;
17 import org.opendaylight.vpnservice.itm.api.IITMProvider;
18 import org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener;
19 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
20 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.ElanInterfaces;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstance;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterface;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntry;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntryBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntryKey;
28 import org.opendaylight.yangtools.concepts.ListenerRegistration;
29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
34 public class ElanForwardingEntriesHandler extends AbstractDataChangeListener<ElanInterface> implements AutoCloseable {
35 private DataBroker broker;
36 private ListenerRegistration<DataChangeListener> listenerRegistration;
38 private IMdsalApiManager mdsalManager;
40 private IITMProvider itmManager;
42 private static final Logger logger = LoggerFactory.getLogger(ElanForwardingEntriesHandler.class);
45 public ElanForwardingEntriesHandler(DataBroker db, IMdsalApiManager mdsalManager){
46 super(ElanInterface.class);
48 this.mdsalManager = mdsalManager;
51 public void setIITMManager(IITMProvider itmManager) {
52 this.itmManager = itmManager;
55 private InstanceIdentifier<?> getWildCardPath() {
56 return InstanceIdentifier.create(ElanInterfaces.class).child(ElanInterface.class);
59 public void updateElanInterfaceForwardingTablesList(String elanInstanceName, String interfaceName, String existingInterfaceName, MacEntry mac) {
60 if(existingInterfaceName == interfaceName) {
61 logger.error(String.format("Static MAC address %s has already been added for the same ElanInstance %s on the same Logical Interface Port %s."
62 + " No operation will be done.", mac.getMacAddress().toString(), elanInstanceName, interfaceName));
64 logger.warn(String.format("Static MAC address %s had already been added for ElanInstance %s on Logical Interface Port %s. "
65 + "This would be considered as MAC movement scenario and old static mac will be removed and new static MAC will be added"
66 + "for ElanInstance %s on Logical Interface Port %s", mac.getMacAddress().toString(), elanInstanceName, interfaceName, elanInstanceName, interfaceName));
67 //Update the ElanInterface Forwarding Container & ElanForwarding Container
68 deleteElanInterfaceForwardingTablesList(existingInterfaceName, mac);
69 createElanInterfaceForwardingTablesList(interfaceName, mac);
70 updateElanForwardingTablesList(elanInstanceName, interfaceName, mac);
75 public void addElanInterfaceForwardingTableList(ElanInstance elanInstance, String interfaceName, PhysAddress physAddress) {
76 MacEntry macEntry = new MacEntryBuilder().setIsStaticAddress(true).setMacAddress(physAddress).setInterface(interfaceName).setKey(new MacEntryKey(physAddress)).build();
77 createElanForwardingTablesList(elanInstance.getElanInstanceName(), macEntry);
78 createElanInterfaceForwardingTablesList(interfaceName, macEntry);
81 public void deleteElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac) {
82 InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
83 MacEntry existingInterfaceMacEntry = ElanUtils.getInterfaceMacEntriesOperationalDataPathFromId(existingMacEntryId);
84 if(existingInterfaceMacEntry != null) {
85 ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, existingMacEntryId);
89 public void createElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac) {
90 InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
91 MacEntry existingInterfaceMacEntry = ElanUtils.getInterfaceMacEntriesOperationalDataPathFromId(existingMacEntryId);
92 if(existingInterfaceMacEntry == null) {
93 MacEntry macEntry = new MacEntryBuilder().setMacAddress(mac.getMacAddress()).setInterface(interfaceName).setIsStaticAddress(true).setKey(new MacEntryKey(mac.getMacAddress())).build();
94 MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, existingMacEntryId, macEntry);
99 public void updateElanForwardingTablesList(String elanName, String interfaceName, MacEntry mac) {
100 InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanName, mac.getMacAddress());
101 MacEntry existingMacEntry = ElanUtils.getMacEntryFromElanMacId(macEntryId);
102 if(existingMacEntry != null) {
103 ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
104 MacEntry newMacEntry = new MacEntryBuilder().setInterface(interfaceName).setIsStaticAddress(true).setMacAddress(mac.getMacAddress()).setKey(new MacEntryKey(mac.getMacAddress())).build();
105 MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, macEntryId, newMacEntry);
109 private void createElanForwardingTablesList(String elanName, MacEntry macEntry) {
110 InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanName, macEntry.getMacAddress());
111 Optional<MacEntry> existingMacEntry = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
112 if(!existingMacEntry.isPresent()) {
113 MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, macEntryId, macEntry);
117 public void deleteElanInterfaceForwardingEntries(ElanInstance elanInfo, InterfaceInfo interfaceInfo, MacEntry macEntry) {
118 InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanInfo.getElanInstanceName(), macEntry.getMacAddress());
119 ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
120 ElanUtils.deleteMacFlows(elanInfo, interfaceInfo, macEntry);
123 public void deleteElanInterfaceMacForwardingEntries(String interfaceName, PhysAddress physAddress) {
124 InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
125 ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
129 protected void remove(InstanceIdentifier<ElanInterface> identifier, ElanInterface del) {
134 protected void update(InstanceIdentifier<ElanInterface> identifier, ElanInterface original, ElanInterface update) {
139 protected void add(InstanceIdentifier<ElanInterface> identifier, ElanInterface add) {
144 public void close() throws Exception {
145 if (listenerRegistration != null) {
147 listenerRegistration.close();
148 } catch (final Exception e) {
149 logger.error("Error when cleaning up Elan DataChangeListener.", e);
151 listenerRegistration = null;