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 java.math.BigInteger;
  11
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.vpnservice.elan.utils.ElanConstants;
  16 import org.opendaylight.vpnservice.elan.utils.ElanUtils;
  17 import org.opendaylight.vpnservice.interfacemgr.globals.InterfaceInfo;
  18 import org.opendaylight.vpnservice.interfacemgr.interfaces.IInterfaceManager;
  19 import org.opendaylight.vpnservice.mdsalutil.MetaDataUtil;
  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.flow.service.rev130819.FlowAdded;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowRemoved;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowUpdated;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeErrorNotification;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeExperimenterErrorNotification;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowListener;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SwitchFlowRemoved;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagName;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntry;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterface;
  33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 import com.google.common.base.Optional;
  38 import com.google.common.util.concurrent.FutureCallback;
  39 import com.google.common.util.concurrent.Futures;
  40 import com.google.common.util.concurrent.ListenableFuture;
  41
  42 @SuppressWarnings("deprecation")
  43 public class ElanSmacFlowEventListener implements SalFlowListener {
  44     private final DataBroker broker;
  45     private IInterfaceManager interfaceManager;
  46     private static final Logger logger = LoggerFactory.getLogger(ElanSmacFlowEventListener.class);
  47
  48     public ElanSmacFlowEventListener(DataBroker dataBroker) {
  49         broker = dataBroker;
  50     }
  51     private SalFlowService salFlowService;
  52
  53     public SalFlowService getSalFlowService() {
  54         return this.salFlowService;
  55     }
  56
  57     public void setSalFlowService(final SalFlowService salFlowService) {
  58         this.salFlowService = salFlowService;
  59     }
  60     public void setInterfaceManager(IInterfaceManager interfaceManager) {
  61         this.interfaceManager = interfaceManager;
  62     }
  63
  64
  65     public void setMdSalApiManager(IMdsalApiManager mdsalManager) {
  66     }
  67     @Override
  68     public void onFlowAdded(FlowAdded arg0) {
  69         // TODO Auto-generated method stub
  70
  71     }
  72
  73     @Override
  74     public void onFlowRemoved(FlowRemoved arg0) {
  75         // TODO Auto-generated method stub
  76
  77     }
  78
  79     @Override
  80     public void onFlowUpdated(FlowUpdated arg0) {
  81         // TODO Auto-generated method stub
  82
  83     }
  84
  85     @Override
  86     public void onNodeErrorNotification(NodeErrorNotification arg0) {
  87         // TODO Auto-generated method stub
  88
  89     }
  90
  91     @Override
  92     public void onNodeExperimenterErrorNotification(NodeExperimenterErrorNotification arg0) {
  93         // TODO Auto-generated method stub
  94
  95     }
  96
  97     @Override
  98     public void onSwitchFlowRemoved(SwitchFlowRemoved switchFlowRemoved) {
  99         short tableId = switchFlowRemoved.getTableId();
 100         if (tableId == ElanConstants.ELAN_SMAC_TABLE) {
 101             BigInteger metadata = switchFlowRemoved.getMatch().getMetadata().getMetadata();
 102             long elanTag = MetaDataUtil.getElanTagFromMetadata(metadata);
 103             ElanTagName elanTagInfo = ElanUtils.getElanInfoByElanTag(elanTag);
 104             if (elanTagInfo == null) {
 105                 return;
 106             }
 107             final String srcMacAddress = switchFlowRemoved.getMatch().getEthernetMatch()
 108                     .getEthernetSource().getAddress().getValue().toUpperCase();
 109             int portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
 110             if (portTag == 0) {
 111                 logger.debug(String.format("Flow removed event on SMAC flow entry. But having port Tag as 0 "));
 112                 return;
 113             }
 114             Optional<IfIndexInterface> existingInterfaceInfo = ElanUtils.getInterfaceInfoByInterfaceTag(portTag);
 115             if (!existingInterfaceInfo.isPresent()) {
 116                 logger.debug("Interface is not available for port Tag {}", portTag);
 117                 return;
 118             }
 119             String interfaceName = existingInterfaceInfo.get().getInterfaceName();
 120             PhysAddress physAddress = new PhysAddress(srcMacAddress);
 121             if (interfaceName == null) {
 122                 logger.error(String.format("LPort record not found for tag %d", portTag));
 123                 return;
 124             }
 125             MacEntry macEntry = ElanUtils.getInterfaceMacEntriesOperationalDataPath(interfaceName, physAddress);
 126             InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(interfaceName);
 127             if(macEntry != null && interfaceInfo != null) {
 128                 ElanUtils.deleteMacFlows(ElanUtils.getElanInstanceByName(elanTagInfo.getName()), interfaceInfo, macEntry);
 129             }
 130             InstanceIdentifier<MacEntry> macEntryIdForElanInterface =  ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
 131             InstanceIdentifier<MacEntry> macEntryIdForElanInstance  =  ElanUtils.getMacEntryOperationalDataPath(elanTagInfo.getName(), physAddress);
 132             WriteTransaction tx = broker.newWriteOnlyTransaction();
 133             tx.delete(LogicalDatastoreType.OPERATIONAL, macEntryIdForElanInterface);
 134             tx.delete(LogicalDatastoreType.OPERATIONAL, macEntryIdForElanInstance);
 135             ListenableFuture<Void> writeResult = tx.submit();
 136
 137             //WRITE Callback
 138             Futures.addCallback(writeResult, new FutureCallback<Void>() {
 139                 @Override
 140                 public void onSuccess(Void noarg) {
 141                     logger.debug("Successfully removed macEntry {} from Operational Datastore", srcMacAddress);
 142                 }
 143
 144                 @Override
 145                 public void onFailure(Throwable error) {
 146                     logger.debug("Error {} while removing macEntry {} from Operational Datastore", error, srcMacAddress);
 147                 }
 148             });
 149         }
 150     }
 151 }