vpnservice/ipv6service/impl/src/main/java/org/opendaylight/netvirt/ipv6service/NeutronSubnetChangeListener.java

   1 /*
   2  * Copyright (c) 2016, 2017 Red Hat, Inc. 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.netvirt.ipv6service;
   9
  10 import com.google.common.collect.ImmutableBiMap;
  11 import javax.annotation.PostConstruct;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  17 import org.opendaylight.netvirt.ipv6service.utils.Ipv6Constants;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.Dhcpv6Base;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.Dhcpv6Off;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.Dhcpv6Slaac;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.Dhcpv6Stateful;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.Dhcpv6Stateless;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.IpVersionBase;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.IpVersionV4;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.IpVersionV6;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.subnets.rev150712.subnets.attributes.Subnets;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.subnets.rev150712.subnets.attributes.subnets.Subnet;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 @Singleton
  34 public class NeutronSubnetChangeListener extends AsyncClusteredDataTreeChangeListenerBase<Subnet,
  35         NeutronSubnetChangeListener> {
  36     private static final Logger LOG = LoggerFactory.getLogger(NeutronSubnetChangeListener.class);
  37     private final DataBroker dataBroker;
  38     private final IfMgr ifMgr;
  39
  40     private static final ImmutableBiMap<Class<? extends IpVersionBase>,String> IPV_MAP
  41             = new ImmutableBiMap.Builder<Class<? extends IpVersionBase>,String>()
  42             .put(IpVersionV4.class, Ipv6Constants.IP_VERSION_V4)
  43             .put(IpVersionV6.class, Ipv6Constants.IP_VERSION_V6)
  44             .build();
  45
  46     private static final ImmutableBiMap<Class<? extends Dhcpv6Base>,String> DHCPV6_MAP
  47             = new ImmutableBiMap.Builder<Class<? extends Dhcpv6Base>,String>()
  48             .put(Dhcpv6Off.class,Ipv6Constants.DHCPV6_OFF)
  49             .put(Dhcpv6Stateful.class,Ipv6Constants.IPV6_DHCPV6_STATEFUL)
  50             .put(Dhcpv6Slaac.class,Ipv6Constants.IPV6_SLAAC)
  51             .put(Dhcpv6Stateless.class,Ipv6Constants.IPV6_DHCPV6_STATELESS)
  52             .build();
  53
  54     @Inject
  55     public NeutronSubnetChangeListener(final DataBroker dataBroker, IfMgr ifMgr) {
  56         this.dataBroker = dataBroker;
  57         this.ifMgr = ifMgr;
  58     }
  59
  60     @PostConstruct
  61     public void init() {
  62         LOG.info("{} init", getClass().getSimpleName());
  63         registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
  64     }
  65
  66     @Override
  67     protected InstanceIdentifier<Subnet> getWildCardPath() {
  68         return InstanceIdentifier.create(Neutron.class).child(Subnets.class).child(Subnet.class);
  69     }
  70
  71     @Override
  72     protected void add(InstanceIdentifier<Subnet> identifier, Subnet input) {
  73         if (IPV_MAP.get(input.getIpVersion()).equals(Ipv6Constants.IP_VERSION_V6)) {
  74             LOG.info("Add Subnet notification handler is invoked {} ", input);
  75             String ipv6AddrMode = "";
  76             if (input.getIpv6AddressMode() != null) {
  77                 ipv6AddrMode = DHCPV6_MAP.get(input.getIpv6AddressMode());
  78             }
  79             String ipv6RaMode = "";
  80             if (input.getIpv6RaMode() != null) {
  81                 ipv6RaMode = DHCPV6_MAP.get(input.getIpv6RaMode());
  82             }
  83             ifMgr.addSubnet(input.getUuid(), input.getName(),
  84                     input.getTenantId(), input.getGatewayIp(), IPV_MAP.get(input.getIpVersion()),
  85                     input.getCidr(), ipv6AddrMode, ipv6RaMode);
  86         }
  87     }
  88
  89     @Override
  90     protected void remove(InstanceIdentifier<Subnet> identifier, Subnet input) {
  91         ifMgr.removeSubnet(input.getUuid());
  92     }
  93
  94     @Override
  95     protected void update(InstanceIdentifier<Subnet> identifier, Subnet original, Subnet update) {
  96         LOG.debug("Update Subnet notification handler is invoked Original: {}, Update: {}", original, update);
  97     }
  98
  99     @Override
 100     protected NeutronSubnetChangeListener getDataTreeChangeListener() {
 101         return NeutronSubnetChangeListener.this;
 102     }
 103
 104 }