bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/RIBActivator.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, 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.protocol.bgp.rib.impl;
   9
  10 import java.util.Comparator;
  11
  12 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
  13 import org.opendaylight.protocol.bgp.rib.spi.AdjRIBsIn;
  14 import org.opendaylight.protocol.bgp.rib.spi.AdjRIBsInFactory;
  15 import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionProviderActivator;
  16 import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionProviderContext;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathAttributes;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 import com.google.common.base.Preconditions;
  26
  27 public final class RIBActivator implements RIBExtensionProviderActivator {
  28         private static final Logger LOG = LoggerFactory.getLogger(RIBActivator.class);
  29         private AutoCloseable v4reg, v6reg;
  30
  31         @Override
  32         public void startRIBExtensionProvider(final RIBExtensionProviderContext context) {
  33                 Preconditions.checkState(v4reg == null);
  34                 Preconditions.checkState(v6reg == null);
  35
  36                 v4reg = context.registerAdjRIBsInFactory(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class, new AdjRIBsInFactory() {
  37                         @Override
  38                         public AdjRIBsIn createAdjRIBsIn(final DataModificationTransaction trans, final Comparator<PathAttributes> comparator, final TablesKey key) {
  39                                 return new Ipv4AdjRIBsIn(trans, comparator, key);
  40                         }
  41                 });
  42
  43                 v6reg = context.registerAdjRIBsInFactory(Ipv6AddressFamily.class, UnicastSubsequentAddressFamily.class, new AdjRIBsInFactory() {
  44                         @Override
  45                         public AdjRIBsIn createAdjRIBsIn(final DataModificationTransaction trans, final Comparator<PathAttributes> comparator, final TablesKey key) {
  46                                 return new Ipv6AdjRIBsIn(trans, comparator, key);
  47                         }
  48                 });
  49
  50         }
  51
  52         @Override
  53         public void stopRIBExtensionProvider() {
  54                 if (v4reg != null) {
  55                         try {
  56                                 v4reg.close();
  57                         } catch (Exception e) {
  58                                 LOG.warn("Failed to unregister IPv4 extension", e);
  59                         } finally {
  60                                 v4reg = null;
  61                         }
  62                 }
  63                 if (v6reg != null) {
  64                         try {
  65                                 v6reg.close();
  66                         } catch (Exception e) {
  67                                 LOG.warn("Failed to unregister IPv6 extension", e);
  68                         } finally {
  69                                 v6reg = null;
  70                         }
  71                 }
  72         }
  73 }