elanmanager/elanmanager-impl/src/main/java/org/opendaylight/vpnservice/elan/internal/ElanSmacFlowEventListener.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 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  11 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  12 import org.opendaylight.vpnservice.elan.utils.ElanConstants;
  13 import org.opendaylight.vpnservice.elan.utils.ElanUtils;
  14 import org.opendaylight.vpnservice.interfacemgr.globals.InterfaceInfo;
  15 import org.opendaylight.vpnservice.interfacemgr.interfaces.IInterfaceManager;
  16 import org.opendaylight.vpnservice.itm.api.IITMProvider;
  17 import org.opendaylight.vpnservice.mdsalutil.MetaDataUtil;
  18 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.*;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagName;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntry;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterface;
  24 //import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331._if.indexes._interface.map.IfIndexInterface;
  25 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 import java.math.BigInteger;
  30
  31 public class ElanSmacFlowEventListener implements SalFlowListener {
  32     private final DataBroker broker;
  33     private IMdsalApiManager mdsalManager;
  34     private IInterfaceManager interfaceManager;
  35     private static final Logger logger = LoggerFactory.getLogger(ElanSmacFlowEventListener.class);
  36
  37     public ElanSmacFlowEventListener(DataBroker dataBroker) {
  38         broker = dataBroker;
  39     }
  40     private SalFlowService salFlowService;
  41
  42     public SalFlowService getSalFlowService() {
  43         return this.salFlowService;
  44     }
  45
  46     public void setSalFlowService(final SalFlowService salFlowService) {
  47         this.salFlowService = salFlowService;
  48     }
  49     public void setInterfaceManager(IInterfaceManager interfaceManager) {
  50         this.interfaceManager = interfaceManager;
  51     }
  52
  53
  54     public void setMdSalApiManager(IMdsalApiManager mdsalManager) {
  55         this.mdsalManager = mdsalManager;
  56     }
  57     @Override
  58     public void onFlowAdded(FlowAdded arg0) {
  59         // TODO Auto-generated method stub
  60
  61     }
  62
  63     @Override
  64     public void onFlowRemoved(FlowRemoved arg0) {
  65         // TODO Auto-generated method stub
  66
  67     }
  68
  69     @Override
  70     public void onFlowUpdated(FlowUpdated arg0) {
  71         // TODO Auto-generated method stub
  72
  73     }
  74
  75     @Override
  76     public void onNodeErrorNotification(NodeErrorNotification arg0) {
  77         // TODO Auto-generated method stub
  78
  79     }
  80
  81     @Override
  82     public void onNodeExperimenterErrorNotification(NodeExperimenterErrorNotification arg0) {
  83         // TODO Auto-generated method stub
  84
  85     }
  86
  87     @Override
  88     public void onSwitchFlowRemoved(SwitchFlowRemoved switchFlowRemoved) {
  89         short tableId = switchFlowRemoved.getTableId();
  90         if (tableId == ElanConstants.ELAN_SMAC_TABLE) {
  91             BigInteger metadata = switchFlowRemoved.getMatch().getMetadata().getMetadata();
  92             long elanTag = MetaDataUtil.getElanTagFromMetadata(metadata);
  93             ElanTagName elanTagInfo = ElanUtils.getElanInfoByElanTag(elanTag);
  94             if (elanTagInfo == null) {
  95                 return;
  96             }
  97             String srcMacAddress = switchFlowRemoved.getMatch().getEthernetMatch()
  98                     .getEthernetSource().getAddress().getValue().toUpperCase();
  99             int portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
 100             if (portTag == 0) {
 101                 logger.debug(String.format("Flow removed event on SMAC flow entry. But having port Tag as 0 "));
 102                 return;
 103             }
 104             IfIndexInterface existingInterfaceInfo = ElanUtils.getInterfaceInfoByInterfaceTag(portTag);
 105             String interfaceName = existingInterfaceInfo.getInterfaceName();
 106             PhysAddress physAddress = new PhysAddress(srcMacAddress);
 107             if (interfaceName == null) {
 108                 logger.error(String.format("LPort record not found for tag %d", portTag));
 109                 return;
 110             }
 111             MacEntry macEntry = ElanUtils.getInterfaceMacEntriesOperationalDataPath(interfaceName, physAddress);
 112             InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(interfaceName);
 113             if(macEntry != null && interfaceInfo != null) {
 114                 ElanUtils.deleteMacFlows(ElanUtils.getElanInstanceByName(elanTagInfo.getName()), interfaceInfo, macEntry);
 115             }
 116             InstanceIdentifier<MacEntry> macEntryId =  ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
 117             ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
 118         }
 119     }
 120
 121 }