itm/itm-impl/src/main/java/org/opendaylight/vpnservice/itm/listeners/TransportZoneListener.java

   1 /*
   2  * Copyright (c) 2015 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
   9 package org.opendaylight.vpnservice.itm.listeners;
  10
  11 import java.math.BigInteger;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.Map;
  15 import java.util.Set;
  16 import java.util.concurrent.ConcurrentHashMap;
  17
  18 import com.google.common.base.Optional;
  19 import com.google.common.util.concurrent.CheckedFuture;
  20 import com.google.common.util.concurrent.ListenableFuture;
  21
  22 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  23 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  24 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpPrefix;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeBase;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.DPNTEPsInfo;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.dpn.teps.info.TunnelEndPoints;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.TransportZones;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.TransportZonesBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.TransportZone;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.Subnets;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.subnets.Vteps;
  36 import org.opendaylight.vpnservice.datastoreutils.AsyncDataTreeChangeListenerBase;
  37 import org.opendaylight.vpnservice.datastoreutils.DataStoreJobCoordinator;
  38 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  39 import org.opendaylight.vpnservice.itm.impl.ITMManager;
  40 import org.opendaylight.vpnservice.itm.impl.ItmUtils;
  41 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  43 import org.opendaylight.vpnservice.itm.confighelpers.ItmTepAddWorker ;
  44 import org.opendaylight.vpnservice.itm.confighelpers.ItmTepRemoveWorker;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47
  48 /**
  49  * This class listens for interface creation/removal/update in Configuration DS.
  50  * This is used to handle interfaces for base of-ports.
  51  */
  52 public class TransportZoneListener extends AsyncDataTreeChangeListenerBase<TransportZone, TransportZoneListener> implements AutoCloseable{
  53     private static final Logger LOG = LoggerFactory.getLogger(TransportZoneListener.class);
  54     private DataBroker dataBroker;
  55     private IdManagerService idManagerService;
  56     private IMdsalApiManager mdsalManager;
  57     private ITMManager itmManager;
  58
  59     public TransportZoneListener(final DataBroker dataBroker, final IdManagerService idManagerService) {
  60         super(TransportZone.class, TransportZoneListener.class);
  61         this.dataBroker = dataBroker;
  62         this.idManagerService = idManagerService;
  63         initializeTZNode(dataBroker);
  64     }
  65
  66     public void setItmManager(ITMManager itmManager) {
  67         this.itmManager = itmManager;
  68     }
  69
  70     public void setMdsalManager(IMdsalApiManager mdsalManager) {
  71         this.mdsalManager = mdsalManager;
  72     }
  73
  74     private void initializeTZNode(DataBroker db) {
  75         ReadWriteTransaction transaction = db.newReadWriteTransaction();
  76         InstanceIdentifier<TransportZones> path = InstanceIdentifier.create(TransportZones.class);
  77         CheckedFuture<Optional<TransportZones>, ReadFailedException> tzones =
  78                         transaction.read(LogicalDatastoreType.CONFIGURATION,path);
  79         try {
  80             if (!tzones.get().isPresent()) {
  81                 TransportZonesBuilder tzb = new TransportZonesBuilder();
  82                 transaction.put(LogicalDatastoreType.CONFIGURATION,path,tzb.build());
  83                 transaction.submit();
  84             } else {
  85                 transaction.cancel();
  86             }
  87         } catch (Exception e) {
  88             LOG.error("Error initializing TransportZones {}",e);
  89         }
  90     }
  91
  92     @Override
  93     public void close() throws Exception {
  94         LOG.info("tzChangeListener Closed");
  95     }
  96     @Override
  97     protected InstanceIdentifier<TransportZone> getWildCardPath() {
  98         return InstanceIdentifier.create(TransportZones.class).child(TransportZone.class);
  99     }
 100
 101     @Override
 102     protected TransportZoneListener getDataTreeChangeListener() {
 103         return TransportZoneListener.this;
 104     }
 105
 106     @Override
 107     protected void remove(InstanceIdentifier<TransportZone> key, TransportZone tzOld) {
 108         LOG.debug("Received Transport Zone Remove Event: {}, {}", key, tzOld);
 109         List<DPNTEPsInfo> opDpnList = createDPNTepInfo(tzOld);
 110         LOG.trace("Delete: Invoking deleteTunnels in ItmManager with DpnList {}", opDpnList);
 111         if(opDpnList.size()>0) {
 112             LOG.trace("Delete: Invoking ItmManager");
 113            // itmManager.deleteTunnels(opDpnList);
 114             DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 115             ItmTepRemoveWorker removeWorker = new ItmTepRemoveWorker(opDpnList, dataBroker, idManagerService, mdsalManager);
 116             coordinator.enqueueJob(tzOld.getZoneName(), removeWorker);
 117         }
 118     }
 119
 120     @Override
 121     protected void update(InstanceIdentifier<TransportZone> key, TransportZone tzOld, TransportZone tzNew) {
 122         LOG.debug("Received Transport Zone Update Event: {}, {}, {}", key, tzOld, tzNew);
 123         if( !(tzOld.equals(tzNew))) {
 124            add(key, tzNew);
 125         }
 126     }
 127
 128     @Override
 129     protected void add(InstanceIdentifier<TransportZone> key, TransportZone tzNew) {
 130         LOG.debug("Received Transport Zone Add Event: {}, {}", key, tzNew);
 131         List<DPNTEPsInfo> opDpnList = createDPNTepInfo(tzNew);
 132         LOG.trace("Add: Operational dpnTepInfo - Before invoking ItmManager {}", opDpnList);
 133         if(opDpnList.size()>0) {
 134           LOG.trace("Add: Invoking ItmManager with DPN List {} " , opDpnList);
 135           //itmManager.build_all_tunnels(opDpnList);
 136           DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 137           ItmTepAddWorker addWorker = new ItmTepAddWorker(opDpnList,dataBroker, idManagerService, mdsalManager);
 138           coordinator.enqueueJob(tzNew.getZoneName(), addWorker);
 139       }
 140     }
 141
 142     private List<DPNTEPsInfo> createDPNTepInfo(TransportZone transportZone){
 143
 144         Map<BigInteger, List<TunnelEndPoints>> mapDPNToTunnelEndpt = new ConcurrentHashMap<>();
 145         List<DPNTEPsInfo> dpnTepInfo = new ArrayList<DPNTEPsInfo>();
 146        // List<TransportZone> transportZoneList = transportZones.getTransportZone();
 147        // for(TransportZone transportZone : transportZoneList) {
 148             String zone_name = transportZone.getZoneName();
 149             Class<? extends TunnelTypeBase> tunnel_type = transportZone.getTunnelType();
 150             LOG.trace("Transport Zone_name: {}", zone_name);
 151             List<Subnets> subnetsList = transportZone.getSubnets();
 152             if(subnetsList!=null){
 153                 for (Subnets subnet : subnetsList) {
 154                     IpPrefix ipPrefix = subnet.getPrefix();
 155                     IpAddress gatewayIP = subnet.getGatewayIp();
 156                     int vlanID = subnet.getVlanId();
 157                     LOG.trace("IpPrefix: {}, gatewayIP: {}, vlanID: {} ", ipPrefix, gatewayIP, vlanID);
 158                     List<Vteps> vtepsList = subnet.getVteps();
 159                     for (Vteps vteps : vtepsList) {
 160                         BigInteger dpnID = vteps.getDpnId();
 161                         String port = vteps.getPortname();
 162                         IpAddress ipAddress = vteps.getIpAddress();
 163                         LOG.trace("DpnID: {}, port: {}, ipAddress: {}", dpnID, port, ipAddress);
 164                     TunnelEndPoints tunnelEndPoints = ItmUtils.createTunnelEndPoints(dpnID, ipAddress, port, vlanID, ipPrefix, gatewayIP, zone_name, tunnel_type);
 165                         List<TunnelEndPoints> tunnelEndPointsList = mapDPNToTunnelEndpt.get(dpnID);
 166                         if (tunnelEndPointsList != null) {
 167                             LOG.trace("Existing DPN info list in the Map: {} ", dpnID);
 168                             tunnelEndPointsList.add(tunnelEndPoints);
 169                         } else {
 170                             LOG.trace("Adding new DPN info list to the Map: {} ", dpnID);
 171                             tunnelEndPointsList = new ArrayList<TunnelEndPoints>();
 172                             tunnelEndPointsList.add(tunnelEndPoints);
 173                             mapDPNToTunnelEndpt.put(dpnID, tunnelEndPointsList);
 174                         }
 175                     }
 176                 }
 177             }
 178         //}
 179         if(mapDPNToTunnelEndpt.size()>0){
 180             Set<BigInteger> keys = mapDPNToTunnelEndpt.keySet();
 181             LOG.trace("List of dpns in the Map: {} ", keys);
 182             for(BigInteger key: keys){
 183                 DPNTEPsInfo newDpnTepsInfo = ItmUtils.createDPNTepInfo(key, mapDPNToTunnelEndpt.get(key));
 184                 dpnTepInfo.add(newDpnTepsInfo);
 185             }
 186         }
 187         return dpnTepInfo;
 188     }
 189 }