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 IITMProvider itmManager;
  36     private static final Logger logger = LoggerFactory.getLogger(ElanSmacFlowEventListener.class);
  37
  38     public ElanSmacFlowEventListener(DataBroker dataBroker) {
  39         broker = dataBroker;
  40     }
  41     private SalFlowService salFlowService;
  42
  43     public SalFlowService getSalFlowService() {
  44         return this.salFlowService;
  45     }
  46
  47     public void setSalFlowService(final SalFlowService salFlowService) {
  48         this.salFlowService = salFlowService;
  49     }
  50     public void setInterfaceManager(IInterfaceManager interfaceManager) {
  51         this.interfaceManager = interfaceManager;
  52     }
  53
  54
  55     public void setIITMManager(IITMProvider itmManager) {
  56         this.itmManager = itmManager;
  57     }
  58     public void setMdSalApiManager(IMdsalApiManager mdsalManager) {
  59         this.mdsalManager = mdsalManager;
  60     }
  61     @Override
  62     public void onFlowAdded(FlowAdded arg0) {
  63         // TODO Auto-generated method stub
  64
  65     }
  66
  67     @Override
  68     public void onFlowRemoved(FlowRemoved arg0) {
  69         // TODO Auto-generated method stub
  70
  71     }
  72
  73     @Override
  74     public void onFlowUpdated(FlowUpdated arg0) {
  75         // TODO Auto-generated method stub
  76
  77     }
  78
  79     @Override
  80     public void onNodeErrorNotification(NodeErrorNotification arg0) {
  81         // TODO Auto-generated method stub
  82
  83     }
  84
  85     @Override
  86     public void onNodeExperimenterErrorNotification(NodeExperimenterErrorNotification arg0) {
  87         // TODO Auto-generated method stub
  88
  89     }
  90
  91     @Override
  92     public void onSwitchFlowRemoved(SwitchFlowRemoved switchFlowRemoved) {
  93         short tableId = switchFlowRemoved.getTableId();
  94         if (tableId == ElanConstants.ELAN_SMAC_TABLE) {
  95             BigInteger metadata = switchFlowRemoved.getMatch().getMetadata().getMetadata();
  96             long elanTag = MetaDataUtil.getElanTagFromMetadata(metadata);
  97             ElanTagName elanTagInfo = ElanUtils.getElanInfoByElanTag(elanTag);
  98             if (elanTagInfo == null) {
  99                 return;
 100             }
 101             String srcMacAddress = switchFlowRemoved.getMatch().getEthernetMatch()
 102                     .getEthernetSource().getAddress().getValue().toUpperCase();
 103             int portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
 104             if (portTag == 0) {
 105                 logger.debug(String.format("Flow removed event on SMAC flow entry. But having port Tag as 0 "));
 106                 return;
 107             }
 108             IfIndexInterface existingInterfaceInfo = ElanUtils.getInterfaceInfoByInterfaceTag(portTag);
 109             String interfaceName = existingInterfaceInfo.getInterfaceName();
 110             PhysAddress physAddress = new PhysAddress(srcMacAddress);
 111             if (interfaceName == null) {
 112                 logger.error(String.format("LPort record not found for tag %d", portTag));
 113                 return;
 114             }
 115             MacEntry macEntry = ElanUtils.getInterfaceMacEntriesOperationalDataPath(interfaceName, physAddress);
 116             InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(interfaceName);
 117             if(macEntry != null && interfaceInfo != null) {
 118                 ElanUtils.deleteMacFlows(ElanUtils.getElanInstanceByName(elanTagInfo.getName()), interfaceInfo, macEntry);
 119             }
 120             InstanceIdentifier<MacEntry> macEntryId =  ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
 121             ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL, macEntryId);
 122         }
 123     }
 124
 125 }