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.alivenessmonitor.rev150629.LivenessState;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagName;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntry;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterface;
  25 //import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331._if.indexes._interface.map.IfIndexInterface;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29 import com.google.common.util.concurrent.Futures;
  30 import com.google.common.util.concurrent.ListenableFuture;
  31 import com.google.common.util.concurrent.FutureCallback;
  32 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  33
  34
  35 import java.math.BigInteger;
  36
  37 public class ElanSmacFlowEventListener implements SalFlowListener {
  38     private final DataBroker broker;
  39     private IMdsalApiManager mdsalManager;
  40     private IInterfaceManager interfaceManager;
  41     private static final Logger logger = LoggerFactory.getLogger(ElanSmacFlowEventListener.class);
  42
  43     public ElanSmacFlowEventListener(DataBroker dataBroker) {
  44         broker = dataBroker;
  45     }
  46     private SalFlowService salFlowService;
  47
  48     public SalFlowService getSalFlowService() {
  49         return this.salFlowService;
  50     }
  51
  52     public void setSalFlowService(final SalFlowService salFlowService) {
  53         this.salFlowService = salFlowService;
  54     }
  55     public void setInterfaceManager(IInterfaceManager interfaceManager) {
  56         this.interfaceManager = interfaceManager;
  57     }
  58
  59
  60     public void setMdSalApiManager(IMdsalApiManager mdsalManager) {
  61         this.mdsalManager = mdsalManager;
  62     }
  63     @Override
  64     public void onFlowAdded(FlowAdded arg0) {
  65         // TODO Auto-generated method stub
  66
  67     }
  68
  69     @Override
  70     public void onFlowRemoved(FlowRemoved arg0) {
  71         // TODO Auto-generated method stub
  72
  73     }
  74
  75     @Override
  76     public void onFlowUpdated(FlowUpdated arg0) {
  77         // TODO Auto-generated method stub
  78
  79     }
  80
  81     @Override
  82     public void onNodeErrorNotification(NodeErrorNotification arg0) {
  83         // TODO Auto-generated method stub
  84
  85     }
  86
  87     @Override
  88     public void onNodeExperimenterErrorNotification(NodeExperimenterErrorNotification arg0) {
  89         // TODO Auto-generated method stub
  90
  91     }
  92
  93     @Override
  94     public void onSwitchFlowRemoved(SwitchFlowRemoved switchFlowRemoved) {
  95         short tableId = switchFlowRemoved.getTableId();
  96         if (tableId == ElanConstants.ELAN_SMAC_TABLE) {
  97             BigInteger metadata = switchFlowRemoved.getMatch().getMetadata().getMetadata();
  98             long elanTag = MetaDataUtil.getElanTagFromMetadata(metadata);
  99             ElanTagName elanTagInfo = ElanUtils.getElanInfoByElanTag(elanTag);
 100             if (elanTagInfo == null) {
 101                 return;
 102             }
 103             String srcMacAddress = switchFlowRemoved.getMatch().getEthernetMatch()
 104                     .getEthernetSource().getAddress().getValue().toUpperCase();
 105             int portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
 106             if (portTag == 0) {
 107                 logger.debug(String.format("Flow removed event on SMAC flow entry. But having port Tag as 0 "));
 108                 return;
 109             }
 110             IfIndexInterface existingInterfaceInfo = ElanUtils.getInterfaceInfoByInterfaceTag(portTag);
 111             String interfaceName = existingInterfaceInfo.getInterfaceName();
 112             PhysAddress physAddress = new PhysAddress(srcMacAddress);
 113             if (interfaceName == null) {
 114                 logger.error(String.format("LPort record not found for tag %d", portTag));
 115                 return;
 116             }
 117             MacEntry macEntry = ElanUtils.getInterfaceMacEntriesOperationalDataPath(interfaceName, physAddress);
 118             InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(interfaceName);
 119             if(macEntry != null && interfaceInfo != null) {
 120                 ElanUtils.deleteMacFlows(ElanUtils.getElanInstanceByName(elanTagInfo.getName()), interfaceInfo, macEntry);
 121             }
 122             InstanceIdentifier<MacEntry> macEntryIdForElanInterface =  ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
 123             InstanceIdentifier<MacEntry> macEntryIdForElanInstance  =  ElanUtils.getMacEntryOperationalDataPath(elanTagInfo.getName(), physAddress);
 124             WriteTransaction tx = broker.newWriteOnlyTransaction();
 125             tx.delete(LogicalDatastoreType.OPERATIONAL, macEntryIdForElanInterface);
 126             tx.delete(LogicalDatastoreType.OPERATIONAL, macEntryIdForElanInstance);
 127             ListenableFuture<Void> writeResult = tx.submit();
 128
 129             //WRITE Callback
 130             Futures.addCallback(writeResult, new FutureCallback<Void>() {
 131                 @Override
 132                 public void onSuccess(Void noarg) {
 133                     logger.debug("Successfully removed macEntries from Operational Datastore");
 134                 }
 135
 136                 @Override
 137                 public void onFailure(Throwable error) {
 138                     logger.debug("Error while removing macEntries from Operational Datastore", error);
 139                 }
 140             });
 141         }
 142     }
 143 }