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