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.controller.md.sal.binding.api.WriteTransaction.CREATE_MISSING_PARENTS;
  11 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  12 import static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
  13
  14 import com.google.common.base.Optional;
  15 import com.google.common.util.concurrent.ListenableFuture;
  16 import java.util.ArrayList;
  17 import java.util.List;
  18 import java.util.concurrent.ExecutionException;
  19 import javax.inject.Inject;
  20 import javax.inject.Singleton;
  21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  22 import org.opendaylight.genius.infra.Datastore.Operational;
  23 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  24 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  25 import org.opendaylight.genius.infra.TypedReadWriteTransaction;
  26 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  27 import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.elan._interface.StaticMacEntries;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntryBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntryKey;
  33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 @Singleton
  38 public class ElanForwardingEntriesHandler {
  39
  40     private static final Logger LOG = LoggerFactory.getLogger(ElanForwardingEntriesHandler.class);
  41
  42     private final ManagedNewTransactionRunner txRunner;
  43     private final ElanUtils elanUtils;
  44
  45     @Inject
  46     public ElanForwardingEntriesHandler(DataBroker dataBroker, ElanUtils elanUtils) {
  47         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  48         this.elanUtils = elanUtils;
  49     }
  50
  51     public void updateElanInterfaceForwardingTablesList(String elanInstanceName, String interfaceName,
  52             String existingInterfaceName, MacEntry mac, TypedReadWriteTransaction<Operational> tx)
  53             throws ExecutionException, InterruptedException {
  54         if (existingInterfaceName.equals(interfaceName)) {
  55             LOG.error("Static MAC address {} has already been added for the same ElanInstance "
  56                             + "{} on the same Logical Interface Port {}."
  57                             + " No operation will be done.",
  58                     mac.getMacAddress().toString(), elanInstanceName, interfaceName);
  59         } else {
  60             LOG.warn("Static MAC address {} had already been added for ElanInstance {} on Logical Interface Port {}. "
  61                             + "This would be considered as MAC movement scenario and old static mac will be removed "
  62                             + "and new static MAC will be added"
  63                             + "for ElanInstance {} on Logical Interface Port {}",
  64                     mac.getMacAddress().toString(), elanInstanceName, interfaceName, elanInstanceName, interfaceName);
  65             //Update the  ElanInterface Forwarding Container & ElanForwarding Container
  66             deleteElanInterfaceForwardingTablesList(existingInterfaceName, mac, tx);
  67             createElanInterfaceForwardingTablesList(interfaceName, mac, tx);
  68             updateElanForwardingTablesList(elanInstanceName, interfaceName, mac, tx);
  69         }
  70
  71     }
  72
  73     public void addElanInterfaceForwardingTableList(String elanInstanceName, String interfaceName,
  74             StaticMacEntries staticMacEntries, TypedReadWriteTransaction<Operational> tx)
  75             throws ExecutionException, InterruptedException {
  76         MacEntry macEntry = new MacEntryBuilder().setIsStaticAddress(true)
  77                 .setMacAddress(staticMacEntries.getMacAddress())
  78                 .setIpPrefix(staticMacEntries.getIpPrefix())
  79                 .setInterface(interfaceName).withKey(new MacEntryKey(staticMacEntries.getMacAddress())).build();
  80
  81         createElanForwardingTablesList(elanInstanceName, macEntry, tx);
  82         createElanInterfaceForwardingTablesList(interfaceName, macEntry, tx);
  83     }
  84
  85     public void deleteElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac,
  86                                                         TypedReadWriteTransaction<Operational> interfaceTx)
  87             throws ExecutionException, InterruptedException {
  88         InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils
  89                 .getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
  90         MacEntry existingInterfaceMacEntry = elanUtils
  91                 .getInterfaceMacEntriesOperationalDataPathFromId(interfaceTx, existingMacEntryId);
  92         if (existingInterfaceMacEntry != null) {
  93             interfaceTx.delete(existingMacEntryId);
  94         }
  95     }
  96
  97     public void createElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac,
  98             TypedReadWriteTransaction<Operational> tx) throws ExecutionException, InterruptedException {
  99         InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils
 100                 .getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
 101         MacEntry existingInterfaceMacEntry = elanUtils
 102                 .getInterfaceMacEntriesOperationalDataPathFromId(tx, existingMacEntryId);
 103         if (existingInterfaceMacEntry == null) {
 104             MacEntry macEntry = new MacEntryBuilder().setMacAddress(mac.getMacAddress()).setIpPrefix(mac.getIpPrefix())
 105                     .setInterface(interfaceName)
 106                     .setIsStaticAddress(true).withKey(new MacEntryKey(mac.getMacAddress())).build();
 107             tx.put(existingMacEntryId, macEntry, CREATE_MISSING_PARENTS);
 108         }
 109     }
 110
 111     public void updateElanForwardingTablesList(String elanName, String interfaceName, MacEntry mac,
 112             TypedReadWriteTransaction<Operational> tx) throws ExecutionException, InterruptedException {
 113         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanName,
 114                 mac.getMacAddress());
 115         MacEntry existingMacEntry = elanUtils.getMacEntryFromElanMacId(tx, macEntryId);
 116         if (existingMacEntry != null && elanUtils.getElanMacTable(elanName) != null) {
 117             MacEntry newMacEntry = new MacEntryBuilder().setInterface(interfaceName).setIsStaticAddress(true)
 118                     .setMacAddress(mac.getMacAddress()).setIpPrefix(mac.getIpPrefix())
 119                     .withKey(new MacEntryKey(mac.getMacAddress())).build();
 120             tx.put(macEntryId, newMacEntry);
 121         }
 122     }
 123
 124     private void createElanForwardingTablesList(String elanName, MacEntry macEntry,
 125             TypedReadWriteTransaction<Operational> tx) throws ExecutionException, InterruptedException {
 126         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanName,
 127                 macEntry.getMacAddress());
 128         Optional<MacEntry> existingMacEntry = tx.read(macEntryId).get();
 129         if (!existingMacEntry.isPresent() && elanUtils.getElanMacTable(elanName) != null) {
 130             tx.put(macEntryId, macEntry, CREATE_MISSING_PARENTS);
 131         }
 132     }
 133
 134     public void deleteElanInterfaceForwardingEntries(ElanInstance elanInfo, InterfaceInfo interfaceInfo,
 135             MacEntry macEntry) {
 136         List<ListenableFuture<Void>> futures = new ArrayList<>();
 137         futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, interfaceTx -> {
 138             InstanceIdentifier<MacEntry> macEntryId = ElanUtils
 139                     .getMacEntryOperationalDataPath(elanInfo.getElanInstanceName(), macEntry.getMacAddress());
 140             interfaceTx.delete(macEntryId);
 141             deleteElanInterfaceForwardingTablesList(interfaceInfo.getInterfaceName(), macEntry, interfaceTx);
 142             futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION,
 143                 flowTx -> elanUtils.deleteMacFlows(elanInfo, interfaceInfo, macEntry, flowTx)));
 144         }));
 145         for (ListenableFuture<Void> future : futures) {
 146             ListenableFutures.addErrorLogging(future, LOG, "Error deleting ELAN interface forwarding entries");
 147         }
 148     }
 149 }