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 package org.opendaylight.netvirt.elan.utils;
   9
  10 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  11 import static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
  12
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import java.util.ArrayList;
  15 import java.util.List;
  16 import java.util.Optional;
  17 import java.util.concurrent.ExecutionException;
  18 import javax.inject.Inject;
  19 import javax.inject.Singleton;
  20 import org.opendaylight.genius.infra.Datastore.Operational;
  21 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  22 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  23 import org.opendaylight.genius.infra.TypedReadWriteTransaction;
  24 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  25 import org.opendaylight.infrautils.utils.concurrent.LoggingFutures;
  26 import org.opendaylight.mdsal.binding.api.DataBroker;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.elan._interface.StaticMacEntries;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntryBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntryKey;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 @Singleton
  37 public class ElanForwardingEntriesHandler {
  38
  39     private static final Logger LOG = LoggerFactory.getLogger(ElanForwardingEntriesHandler.class);
  40
  41     private final ManagedNewTransactionRunner txRunner;
  42     private final ElanUtils elanUtils;
  43
  44     @Inject
  45     public ElanForwardingEntriesHandler(DataBroker dataBroker, ElanUtils elanUtils) {
  46         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  47         this.elanUtils = elanUtils;
  48     }
  49
  50     public void updateElanInterfaceForwardingTablesList(String elanInstanceName, String interfaceName,
  51             String existingInterfaceName, MacEntry mac, TypedReadWriteTransaction<Operational> tx)
  52             throws ExecutionException, InterruptedException {
  53         if (existingInterfaceName.equals(interfaceName)) {
  54             LOG.error("Static MAC address {} has already been added for the same ElanInstance "
  55                             + "{} on the same Logical Interface Port {}."
  56                             + " No operation will be done.",
  57                     mac.getMacAddress().toString(), elanInstanceName, interfaceName);
  58         } else {
  59             LOG.warn("Static MAC address {} had already been added for ElanInstance {} on Logical Interface Port {}. "
  60                             + "This would be considered as MAC movement scenario and old static mac will be removed "
  61                             + "and new static MAC will be added"
  62                             + "for ElanInstance {} on Logical Interface Port {}",
  63                     mac.getMacAddress().toString(), elanInstanceName, interfaceName, elanInstanceName, interfaceName);
  64             //Update the  ElanInterface Forwarding Container & ElanForwarding Container
  65             deleteElanInterfaceForwardingTablesList(existingInterfaceName, mac, tx);
  66             createElanInterfaceForwardingTablesList(interfaceName, mac, tx);
  67             updateElanForwardingTablesList(elanInstanceName, interfaceName, mac, tx);
  68         }
  69
  70     }
  71
  72     public void addElanInterfaceForwardingTableList(String elanInstanceName, String interfaceName,
  73             StaticMacEntries staticMacEntries, TypedReadWriteTransaction<Operational> tx)
  74             throws ExecutionException, InterruptedException {
  75         MacEntry macEntry = new MacEntryBuilder().setIsStaticAddress(true)
  76                 .setMacAddress(staticMacEntries.getMacAddress())
  77                 .setIpPrefix(staticMacEntries.getIpPrefix())
  78                 .setInterface(interfaceName).withKey(new MacEntryKey(staticMacEntries.getMacAddress())).build();
  79
  80         createElanForwardingTablesList(elanInstanceName, macEntry, tx);
  81         createElanInterfaceForwardingTablesList(interfaceName, macEntry, tx);
  82     }
  83
  84     public void deleteElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac,
  85                                                         TypedReadWriteTransaction<Operational> interfaceTx)
  86             throws ExecutionException, InterruptedException {
  87         InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils
  88                 .getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
  89         MacEntry existingInterfaceMacEntry = elanUtils
  90                 .getInterfaceMacEntriesOperationalDataPathFromId(interfaceTx, existingMacEntryId);
  91         if (existingInterfaceMacEntry != null) {
  92             interfaceTx.delete(existingMacEntryId);
  93         }
  94     }
  95
  96     public void createElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac,
  97             TypedReadWriteTransaction<Operational> tx) throws ExecutionException, InterruptedException {
  98         InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils
  99                 .getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
 100         MacEntry existingInterfaceMacEntry = elanUtils
 101                 .getInterfaceMacEntriesOperationalDataPathFromId(tx, existingMacEntryId);
 102         if (existingInterfaceMacEntry == null) {
 103             MacEntry macEntry = new MacEntryBuilder().setMacAddress(mac.getMacAddress()).setIpPrefix(mac.getIpPrefix())
 104                     .setInterface(interfaceName)
 105                     .setIsStaticAddress(true).withKey(new MacEntryKey(mac.getMacAddress())).build();
 106             tx.mergeParentStructurePut(existingMacEntryId, macEntry);
 107         }
 108     }
 109
 110     public void updateElanForwardingTablesList(String elanName, String interfaceName, MacEntry mac,
 111             TypedReadWriteTransaction<Operational> tx) throws ExecutionException, InterruptedException {
 112         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanName,
 113                 mac.getMacAddress());
 114         MacEntry existingMacEntry = elanUtils.getMacEntryFromElanMacId(tx, macEntryId);
 115         if (existingMacEntry != null && elanUtils.getElanMacTable(elanName) != null) {
 116             MacEntry newMacEntry = new MacEntryBuilder().setInterface(interfaceName).setIsStaticAddress(true)
 117                     .setMacAddress(mac.getMacAddress()).setIpPrefix(mac.getIpPrefix())
 118                     .withKey(new MacEntryKey(mac.getMacAddress())).build();
 119             tx.put(macEntryId, newMacEntry);
 120         }
 121     }
 122
 123     private void createElanForwardingTablesList(String elanName, MacEntry macEntry,
 124             TypedReadWriteTransaction<Operational> tx) throws ExecutionException, InterruptedException {
 125         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanName,
 126                 macEntry.getMacAddress());
 127         Optional<MacEntry> existingMacEntry = tx.read(macEntryId).get();
 128         if (!existingMacEntry.isPresent() && elanUtils.getElanMacTable(elanName) != null) {
 129             tx.mergeParentStructurePut(macEntryId, macEntry);
 130         }
 131     }
 132
 133     public void deleteElanInterfaceForwardingEntries(ElanInstance elanInfo, InterfaceInfo interfaceInfo,
 134             MacEntry macEntry) {
 135         List<ListenableFuture<Void>> futures = new ArrayList<>();
 136         futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, interfaceTx -> {
 137             InstanceIdentifier<MacEntry> macEntryId = ElanUtils
 138                     .getMacEntryOperationalDataPath(elanInfo.getElanInstanceName(), macEntry.getMacAddress());
 139             interfaceTx.delete(macEntryId);
 140             deleteElanInterfaceForwardingTablesList(interfaceInfo.getInterfaceName(), macEntry, interfaceTx);
 141             futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION,
 142                 flowTx -> elanUtils.deleteMacFlows(elanInfo, interfaceInfo, macEntry, flowTx)));
 143         }));
 144         for (ListenableFuture<Void> future : futures) {
 145             LoggingFutures.addErrorLogging(future, LOG, "Error deleting ELAN interface forwarding entries");
 146         }
 147     }
 148 }