elanmanager/elanmanager-impl/src/main/java/org/opendaylight/vpnservice/elan/internal/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.vpnservice.elan.internal;
   9
  10
  11 import com.google.common.base.Optional;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.vpnservice.elan.utils.ElanUtils;
  16 import org.opendaylight.vpnservice.interfacemgr.globals.InterfaceInfo;
  17 import org.opendaylight.vpnservice.itm.api.IITMProvider;
  18 import org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener;
  19 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
  20 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.ElanInterfaces;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstance;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterface;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntry;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntryBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntryKey;
  28 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33
  34 public class ElanForwardingEntriesHandler extends AbstractDataChangeListener<ElanInterface> implements AutoCloseable {
  35     private DataBroker broker;
  36     private ListenerRegistration<DataChangeListener> listenerRegistration;
  37
  38     private IMdsalApiManager mdsalManager;
  39
  40     private IITMProvider itmManager;
  41
  42     private static final Logger logger = LoggerFactory.getLogger(ElanForwardingEntriesHandler.class);
  43
  44
  45     public ElanForwardingEntriesHandler(DataBroker db, IMdsalApiManager mdsalManager){
  46         super(ElanInterface.class);
  47         this.broker = db;
  48         this.mdsalManager = mdsalManager;
  49     }
  50
  51     public void setIITMManager(IITMProvider itmManager) {
  52         this.itmManager = itmManager;
  53     }
  54
  55     private InstanceIdentifier<?> getWildCardPath() {
  56         return InstanceIdentifier.create(ElanInterfaces.class).child(ElanInterface.class);
  57     }
  58
  59     public void updateElanInterfaceForwardingTablesList(String elanInstanceName, String interfaceName, String existingInterfaceName, MacEntry mac) {
  60         if(existingInterfaceName == interfaceName) {
  61             logger.error(String.format("Static MAC address %s has already been added for the same ElanInstance %s on the same Logical Interface Port %s."
  62                     + " No operation will be done.", mac.getMacAddress().toString(), elanInstanceName, interfaceName));
  63         } else {
  64             logger.warn(String.format("Static MAC address %s had already been added for ElanInstance %s on Logical Interface Port %s. "
  65                     + "This would be considered as MAC movement scenario and old static mac will be removed and new static MAC will be added"
  66                     + "for ElanInstance %s on Logical Interface Port %s", mac.getMacAddress().toString(), elanInstanceName, interfaceName, elanInstanceName, interfaceName));
  67             //Update the  ElanInterface Forwarding Container & ElanForwarding Container
  68             deleteElanInterfaceForwardingTablesList(existingInterfaceName, mac);
  69             createElanInterfaceForwardingTablesList(interfaceName, mac);
  70             updateElanForwardingTablesList(elanInstanceName, interfaceName, mac);
  71         }
  72
  73     }
  74
  75     public void addElanInterfaceForwardingTableList(ElanInstance elanInstance, String interfaceName, PhysAddress physAddress) {
  76         MacEntry macEntry = new MacEntryBuilder().setIsStaticAddress(true).setMacAddress(physAddress).setInterface(interfaceName).setKey(new MacEntryKey(physAddress)).build();
  77         createElanForwardingTablesList(elanInstance.getElanInstanceName(), macEntry);
  78         createElanInterfaceForwardingTablesList(interfaceName, macEntry);
  79     }
  80
  81     public void deleteElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac) {
  82         InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
  83         MacEntry existingInterfaceMacEntry = ElanUtils.getInterfaceMacEntriesOperationalDataPathFromId(existingMacEntryId);
  84         if(existingInterfaceMacEntry != null) {
  85             ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, existingMacEntryId);
  86         }
  87     }
  88
  89     public void createElanInterfaceForwardingTablesList(String interfaceName, MacEntry mac) {
  90         InstanceIdentifier<MacEntry> existingMacEntryId = ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, mac.getMacAddress());
  91         MacEntry existingInterfaceMacEntry = ElanUtils.getInterfaceMacEntriesOperationalDataPathFromId(existingMacEntryId);
  92         if(existingInterfaceMacEntry == null) {
  93             MacEntry macEntry = new MacEntryBuilder().setMacAddress(mac.getMacAddress()).setInterface(interfaceName).setIsStaticAddress(true).setKey(new MacEntryKey(mac.getMacAddress())).build();
  94             MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, existingMacEntryId, macEntry);
  95
  96         }
  97     }
  98
  99     public void updateElanForwardingTablesList(String elanName, String interfaceName, MacEntry mac) {
 100         InstanceIdentifier<MacEntry> macEntryId =  ElanUtils.getMacEntryOperationalDataPath(elanName, mac.getMacAddress());
 101         MacEntry existingMacEntry = ElanUtils.getMacEntryFromElanMacId(macEntryId);
 102         if(existingMacEntry != null) {
 103             ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
 104             MacEntry newMacEntry = new MacEntryBuilder().setInterface(interfaceName).setIsStaticAddress(true).setMacAddress(mac.getMacAddress()).setKey(new MacEntryKey(mac.getMacAddress())).build();
 105             MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, macEntryId, newMacEntry);
 106         }
 107     }
 108
 109     private void createElanForwardingTablesList(String elanName, MacEntry macEntry) {
 110         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanName, macEntry.getMacAddress());
 111         Optional<MacEntry> existingMacEntry = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
 112         if(!existingMacEntry.isPresent()) {
 113             MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, macEntryId, macEntry);
 114         }
 115     }
 116
 117     public void deleteElanInterfaceForwardingEntries(ElanInstance elanInfo, InterfaceInfo interfaceInfo, MacEntry macEntry) {
 118         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getMacEntryOperationalDataPath(elanInfo.getElanInstanceName(), macEntry.getMacAddress());
 119         ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
 120         ElanUtils.deleteMacFlows(elanInfo, interfaceInfo, macEntry);
 121     }
 122
 123     public void deleteElanInterfaceMacForwardingEntries(String interfaceName, PhysAddress physAddress) {
 124         InstanceIdentifier<MacEntry> macEntryId = ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
 125         ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
 126     }
 127
 128     @Override
 129     protected void remove(InstanceIdentifier<ElanInterface> identifier, ElanInterface del) {
 130
 131     }
 132
 133     @Override
 134     protected void update(InstanceIdentifier<ElanInterface> identifier, ElanInterface original, ElanInterface update) {
 135
 136     }
 137
 138     @Override
 139     protected void add(InstanceIdentifier<ElanInterface> identifier, ElanInterface add) {
 140
 141     }
 142
 143     @Override
 144     public void close() throws Exception {
 145         if (listenerRegistration != null) {
 146             try {
 147                 listenerRegistration.close();
 148             } catch (final Exception e) {
 149                 logger.error("Error when cleaning up Elan DataChangeListener.", e);
 150             }
 151             listenerRegistration = null;
 152         }
 153     }
 154 }