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
  17 import java.util.ArrayList;
  18 import java.util.List;
  19
  20 import java.util.concurrent.ExecutionException;
  21 import javax.inject.Inject;
  22 import javax.inject.Singleton;
  23
  24 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  25 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  26 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  27 import org.opendaylight.genius.infra.Datastore.Operational;
  28 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  29 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  30 import org.opendaylight.genius.infra.TypedReadWriteTransaction;
  31 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  32 import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.elan._interface.StaticMacEntries;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntryBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntryKey;
  39 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42
  43 @Singleton
  44 public class ElanForwardingEntriesHandler {
  45
  46     private static final Logger LOG = LoggerFactory.getLogger(ElanForwardingEntriesHandler.class);
  47
  48     private final ManagedNewTransactionRunner txRunner;
  49     private final ElanUtils elanUtils;
  50
  51     @Inject
  52     public ElanForwardingEntriesHandler(DataBroker dataBroker, ElanUtils elanUtils) {
  53         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  54         this.elanUtils = elanUtils;
  55     }
  56
  57     public void updateElanInterfaceForwardingTablesList(String elanInstanceName, String interfaceName,
  58             String existingInterfaceName, MacEntry mac, TypedReadWriteTransaction<Operational> tx)
  59             throws ExecutionException, InterruptedException {
  60         if (existingInterfaceName.equals(interfaceName)) {
  61             LOG.error("Static MAC address {} has already been added for the same ElanInstance "
  62                             + "{} on the same Logical Interface Port {}."
  63                             + " No operation will be done.",
  64                     mac.getMacAddress().toString(), elanInstanceName, interfaceName);
  65         } else {
  66             LOG.warn("Static MAC address {} had already been added for ElanInstance {} on Logical Interface Port {}. "
  67                             + "This would be considered as MAC movement scenario and old static mac will be removed "
  68                             + "and new static MAC will be added"
  69                             + "for ElanInstance {} on Logical Interface Port {}",
  70                     mac.getMacAddress().toString(), elanInstanceName, interfaceName, elanInstanceName, interfaceName);
  71             //Update the  ElanInterface Forwarding Container & ElanForwarding Container
  72             deleteElanInterfaceForwardingTablesList(existingInterfaceName, mac, tx);
  73             createElanInterfaceForwardingTablesList(interfaceName, mac, tx);
  74             updateElanForwardingTablesList(elanInstanceName, interfaceName, mac, tx);
  75         }
  76
  77     }
  78
  79     public void addElanInterfaceForwardingTableList(String elanInstanceName, String interfaceName,
  80             StaticMacEntries staticMacEntries, TypedReadWriteTransaction<Operational> tx)
  81             throws ExecutionException, InterruptedException {
  82         MacEntry macEntry = new MacEntryBuilder().setIsStaticAddress(true)
  83                 .setMacAddress(staticMacEntries.getMacAddress())
  84                 .setIpPrefix(staticMacEntries.getIpPrefix())
  85                 .setInterface(interfaceName).withKey(new MacEntryKey(staticMacEntries.getMacAddress())).build();
  86
  87         createElanForwardingTablesList(elanInstanceName, macEntry, tx);
  88         createElanInterfaceForwardingTablesList(interfaceName, macEntry, tx);
  89     }
  90
  91     public void deleteElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac,
  92                                                         TypedReadWriteTransaction<Operational> interfaceTx)
  93             throws ExecutionException, InterruptedException {
  94         InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils
  95                 .getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
  96         MacEntry existingInterfaceMacEntry = elanUtils
  97                 .getInterfaceMacEntriesOperationalDataPathFromId(interfaceTx, existingMacEntryId);
  98         if (existingInterfaceMacEntry != null) {
  99             interfaceTx.delete(existingMacEntryId);
 100         }
 101     }
 102
 103     public void createElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac,
 104             TypedReadWriteTransaction<Operational> tx) throws ExecutionException, InterruptedException {
 105         InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils
 106                 .getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
 107         MacEntry existingInterfaceMacEntry = elanUtils
 108                 .getInterfaceMacEntriesOperationalDataPathFromId(tx, existingMacEntryId);
 109         if (existingInterfaceMacEntry == null) {
 110             MacEntry macEntry = new MacEntryBuilder().setMacAddress(mac.getMacAddress()).setIpPrefix(mac.getIpPrefix())
 111                     .setInterface(interfaceName)
 112                     .setIsStaticAddress(true).withKey(new MacEntryKey(mac.getMacAddress())).build();
 113             tx.put(existingMacEntryId, macEntry, CREATE_MISSING_PARENTS);
 114         }
 115     }
 116
 117     public void updateElanForwardingTablesList(String elanName, String interfaceName, MacEntry mac,
 118             TypedReadWriteTransaction<Operational> tx) throws ExecutionException, InterruptedException {
 119         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanName,
 120                 mac.getMacAddress());
 121         MacEntry existingMacEntry = elanUtils.getMacEntryFromElanMacId(tx, macEntryId);
 122         if (existingMacEntry != null && elanUtils.getElanMacTable(elanName) != null) {
 123             MacEntry newMacEntry = new MacEntryBuilder().setInterface(interfaceName).setIsStaticAddress(true)
 124                     .setMacAddress(mac.getMacAddress()).setIpPrefix(mac.getIpPrefix())
 125                     .withKey(new MacEntryKey(mac.getMacAddress())).build();
 126             tx.put(macEntryId, newMacEntry);
 127         }
 128     }
 129
 130     private void createElanForwardingTablesList(String elanName, MacEntry macEntry,
 131             TypedReadWriteTransaction<Operational> tx) throws ExecutionException, InterruptedException {
 132         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanName,
 133                 macEntry.getMacAddress());
 134         Optional<MacEntry> existingMacEntry = tx.read(macEntryId).get();
 135         if (!existingMacEntry.isPresent() && elanUtils.getElanMacTable(elanName) != null) {
 136             tx.put(macEntryId, macEntry, CREATE_MISSING_PARENTS);
 137         }
 138     }
 139
 140     public void deleteElanInterfaceForwardingEntries(ElanInstance elanInfo, InterfaceInfo interfaceInfo,
 141             MacEntry macEntry) {
 142         List<ListenableFuture<Void>> futures = new ArrayList<>();
 143         futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, interfaceTx -> {
 144             InstanceIdentifier<MacEntry> macEntryId = ElanUtils
 145                     .getMacEntryOperationalDataPath(elanInfo.getElanInstanceName(), macEntry.getMacAddress());
 146             interfaceTx.delete(macEntryId);
 147             deleteElanInterfaceForwardingTablesList(interfaceInfo.getInterfaceName(), macEntry, interfaceTx);
 148             futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION,
 149                 flowTx -> elanUtils.deleteMacFlows(elanInfo, interfaceInfo, macEntry, flowTx)));
 150         }));
 151         for (ListenableFuture<Void> future : futures) {
 152             ListenableFutures.addErrorLogging(future, LOG, "Error deleting ELAN interface forwarding entries");
 153         }
 154     }
 155
 156     public void deleteElanInterfaceMacForwardingEntries(String interfaceName, PhysAddress physAddress,
 157             WriteTransaction tx) {
 158         InstanceIdentifier<MacEntry> macEntryId = ElanUtils
 159                 .getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
 160         tx.delete(LogicalDatastoreType.OPERATIONAL, macEntryId);
 161     }
 162
 163
 164 }