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