vpnservice/elanmanager/elanmanager-impl/src/main/java/org/opendaylight/netvirt/elan/utils/ElanForwardingEntriesHandler.java

   1 /*
   2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.netvirt.elan.utils;
  10
  11
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  15 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  18 import org.opendaylight.netvirt.elan.internal.ElanServiceProvider;
  19 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  20 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  21 import org.opendaylight.genius.mdsalutil.AbstractDataChangeListener;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInterfaces;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterface;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntryBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntryKey;
  29 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 import com.google.common.base.Optional;
  35
  36
  37 public class ElanForwardingEntriesHandler {
  38
  39     private static final Logger logger = LoggerFactory.getLogger(ElanForwardingEntriesHandler.class);
  40     private  ElanServiceProvider elanServiceProvider = null;
  41     private static volatile ElanForwardingEntriesHandler elanForwardingEntriesHandler = null;
  42
  43     public  ElanServiceProvider getElanServiceProvider() {
  44         return elanServiceProvider;
  45     }
  46     public void setElanServiceProvider(ElanServiceProvider elanServiceProvider) {
  47         this.elanServiceProvider = elanServiceProvider;
  48     }
  49
  50     public ElanForwardingEntriesHandler(ElanServiceProvider elanServiceProvider){
  51         super();
  52         this.elanServiceProvider = elanServiceProvider;
  53     }
  54     public static  ElanForwardingEntriesHandler getElanForwardingEntriesHandler(
  55         ElanServiceProvider elanServiceProvider) {
  56         if (elanForwardingEntriesHandler == null) {
  57             synchronized (ElanForwardingEntriesHandler.class) {
  58                 if (elanForwardingEntriesHandler == null) {
  59                     elanForwardingEntriesHandler = new ElanForwardingEntriesHandler(elanServiceProvider);
  60                 }
  61             }
  62         }
  63         return elanForwardingEntriesHandler;
  64     }
  65     public void updateElanInterfaceForwardingTablesList(String elanInstanceName, String interfaceName, String existingInterfaceName, MacEntry mac, WriteTransaction tx) {
  66         if (existingInterfaceName.equals(interfaceName)) {
  67             logger.error(String.format("Static MAC address %s has already been added for the same ElanInstance %s on the same Logical Interface Port %s."
  68                 + " No operation will be done.", mac.getMacAddress().toString(), elanInstanceName, interfaceName));
  69         } else {
  70             logger.warn(String.format("Static MAC address %s had already been added for ElanInstance %s on Logical Interface Port %s. "
  71                 + "This would be considered as MAC movement scenario and old static mac will be removed and new static MAC will be added"
  72                 + "for ElanInstance %s on Logical Interface Port %s", mac.getMacAddress().toString(), elanInstanceName, interfaceName, elanInstanceName, interfaceName));
  73             //Update the  ElanInterface Forwarding Container & ElanForwarding Container
  74             deleteElanInterfaceForwardingTablesList(existingInterfaceName, mac, tx);
  75             createElanInterfaceForwardingTablesList(interfaceName, mac, tx);
  76             updateElanForwardingTablesList(elanInstanceName, interfaceName, mac, tx);
  77         }
  78
  79     }
  80
  81     public void addElanInterfaceForwardingTableList(ElanInstance elanInstance, String interfaceName, PhysAddress physAddress, WriteTransaction tx) {
  82         MacEntry macEntry = new MacEntryBuilder().setIsStaticAddress(true).setMacAddress(physAddress).setInterface(interfaceName).setKey(new MacEntryKey(physAddress)).build();
  83         createElanForwardingTablesList(elanInstance.getElanInstanceName(), macEntry, tx);
  84         createElanInterfaceForwardingTablesList(interfaceName, macEntry, tx);
  85     }
  86
  87     public void deleteElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac, WriteTransaction tx) {
  88         InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
  89         MacEntry existingInterfaceMacEntry = ElanUtils.getInterfaceMacEntriesOperationalDataPathFromId(existingMacEntryId);
  90         if (existingInterfaceMacEntry != null) {
  91             tx.delete(LogicalDatastoreType.OPERATIONAL, existingMacEntryId);
  92         }
  93     }
  94
  95     public void createElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac, WriteTransaction tx) {
  96         InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
  97         MacEntry existingInterfaceMacEntry = ElanUtils.getInterfaceMacEntriesOperationalDataPathFromId(existingMacEntryId);
  98         if (existingInterfaceMacEntry == null) {
  99             MacEntry macEntry = new MacEntryBuilder().setMacAddress(mac.getMacAddress()).setInterface(interfaceName).setIsStaticAddress(true).setKey(new MacEntryKey(mac.getMacAddress())).build();
 100             tx.put(LogicalDatastoreType.OPERATIONAL, existingMacEntryId, macEntry);
 101
 102         }
 103     }
 104
 105     public void updateElanForwardingTablesList(String elanName, String interfaceName, MacEntry mac, WriteTransaction tx) {
 106         InstanceIdentifier<MacEntry> macEntryId =  ElanUtils.getMacEntryOperationalDataPath(elanName, mac.getMacAddress());
 107         MacEntry existingMacEntry = ElanUtils.getMacEntryFromElanMacId(macEntryId);
 108         if (existingMacEntry != null) {
 109             // Fix for TR HU71400.
 110             // ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
 111             MacEntry newMacEntry = new MacEntryBuilder().setInterface(interfaceName).setIsStaticAddress(true).setMacAddress(mac.getMacAddress()).setKey(new MacEntryKey(mac.getMacAddress())).build();
 112             tx.put(LogicalDatastoreType.OPERATIONAL, macEntryId, newMacEntry);
 113         }
 114     }
 115
 116     private void createElanForwardingTablesList(String elanName, MacEntry macEntry, WriteTransaction tx) {
 117         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanName, macEntry.getMacAddress());
 118         Optional<MacEntry> existingMacEntry = ElanUtils.read(elanServiceProvider.getBroker(), LogicalDatastoreType.OPERATIONAL, macEntryId);
 119         if (!existingMacEntry.isPresent()) {
 120             tx.put(LogicalDatastoreType.OPERATIONAL, macEntryId, macEntry);
 121         }
 122     }
 123
 124     public void deleteElanInterfaceForwardingEntries(ElanInstance elanInfo, InterfaceInfo interfaceInfo, MacEntry macEntry, WriteTransaction tx) {
 125         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanInfo.getElanInstanceName(), macEntry.getMacAddress());
 126         tx.delete(LogicalDatastoreType.OPERATIONAL, macEntryId);
 127         deleteElanInterfaceForwardingTablesList(interfaceInfo.getInterfaceName(), macEntry, tx);
 128         WriteTransaction deleteFlowtx = elanServiceProvider.getBroker().newWriteOnlyTransaction();
 129         ElanUtils.deleteMacFlows(elanInfo, interfaceInfo, macEntry, deleteFlowtx);
 130         deleteFlowtx.submit();
 131     }
 132
 133     public void deleteElanInterfaceMacForwardingEntries(String interfaceName, PhysAddress physAddress, WriteTransaction tx) {
 134         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
 135         tx.delete(LogicalDatastoreType.OPERATIONAL, macEntryId);
 136     }
 137
 138
 139 }