neutron-mapper/src/main/java/org/opendaylight/controller/config/yang/config/neutron_mapper/impl/NeutronMapperInstance.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. 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.controller.config.yang.config.neutron_mapper.impl;
  10
  11 import java.net.Inet4Address;
  12 import java.net.Inet6Address;
  13 import java.net.InetAddress;
  14
  15 import com.google.common.base.Preconditions;
  16 import com.google.common.util.concurrent.Futures;
  17 import com.google.common.util.concurrent.ListenableFuture;
  18 import org.opendaylight.controller.config.yang.config.groupbasedpolicy.GroupbasedpolicyInstance;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  21 import org.opendaylight.groupbasedpolicy.neutron.mapper.NeutronMapper;
  22 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
  23 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  24 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
  25 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.BaseEndpointService;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.EndpointService;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class NeutronMapperInstance implements ClusterSingletonService, AutoCloseable {
  35
  36     private static final Logger LOG = LoggerFactory.getLogger(NeutronMapperInstance.class);
  37
  38     private static final ServiceGroupIdentifier IDENTIFIER =
  39             ServiceGroupIdentifier.create(GroupbasedpolicyInstance.GBP_SERVICE_GROUP_IDENTIFIER);
  40     private final DataBroker dataBroker;
  41     private final ClusterSingletonServiceProvider clusterSingletonService;
  42     private final RpcProviderRegistry rpcBroker;
  43     private IpPrefix metadataIpPrefix;
  44     private int metadataPort;
  45     private ClusterSingletonServiceRegistration singletonServiceRegistration;
  46     private NeutronMapper mapper;
  47
  48     public NeutronMapperInstance(final DataBroker dataBroker,
  49                                  final RpcProviderRegistry rpcBroker,
  50                                  final ClusterSingletonServiceProvider clusterSingletonService,
  51                                  final String metadataIp,
  52                                  final String metadataPort) {
  53         this.dataBroker = Preconditions.checkNotNull(dataBroker);
  54         this.rpcBroker = Preconditions.checkNotNull(rpcBroker);
  55         this.clusterSingletonService = Preconditions.checkNotNull(clusterSingletonService);
  56         try {
  57             InetAddress inetAddr = InetAddress.getByName(metadataIp);
  58             if (inetAddr instanceof Inet4Address) {
  59                 this.metadataIpPrefix = new IpPrefix(new Ipv4Prefix(Preconditions.checkNotNull(metadataIp) + "/32"));
  60             } else if (inetAddr instanceof Inet6Address) {
  61                 this.metadataIpPrefix = new IpPrefix(new Ipv6Prefix(Preconditions.checkNotNull(metadataIp) + "/128"));
  62             }
  63             this.metadataPort = Integer.parseInt(Preconditions.checkNotNull(metadataPort));
  64             LOG.info("Resolved Metadata CIDR: {} and port {}.", metadataIpPrefix, metadataPort);
  65         } catch (Exception ex) {
  66             if (ex instanceof NumberFormatException) {
  67                 LOG.warn("Metadata port cannot be resolved. Provided value: {}. Continue without support for metadata.",
  68                     metadataPort);
  69             } else {
  70                 LOG.warn("MetadataIP could not be resolved. Provided value: {}. Continue without support for metadata.",
  71                     metadataIp);
  72             }
  73             this.metadataIpPrefix = null;
  74         }
  75     }
  76
  77     public void instantiate() {
  78         LOG.info("Clustering session initiated for {}", this.getClass().getSimpleName());
  79         try {
  80             singletonServiceRegistration = clusterSingletonService.registerClusterSingletonService(this);
  81         }
  82         catch (Exception e) {
  83             LOG.warn("Exception while registering candidate ... ", e);
  84         }
  85     }
  86
  87     @Override
  88     public void instantiateServiceInstance() {
  89         LOG.info("Instantiating {}", this.getClass().getSimpleName());
  90         final EndpointService epService = rpcBroker.getRpcService(EndpointService.class);
  91         final BaseEndpointService baseEndpointService = rpcBroker.getRpcService(BaseEndpointService.class);
  92         mapper = new NeutronMapper(dataBroker, epService, baseEndpointService, metadataIpPrefix, metadataPort);
  93     }
  94
  95     @Override
  96     public ListenableFuture<Void> closeServiceInstance() {
  97         LOG.info("Instance {} closed", this.getClass().getSimpleName());
  98         mapper.close();
  99         return Futures.immediateFuture(null);
 100     }
 101
 102     @Override
 103     public void close() throws Exception {
 104         LOG.info("Clustering provider closed for {}", this.getClass().getSimpleName());
 105         if (singletonServiceRegistration != null) {
 106             try {
 107                 singletonServiceRegistration.close();
 108             } catch (Exception e) {
 109                 LOG.warn("{} closed unexpectedly", e.getMessage());
 110             }
 111             singletonServiceRegistration = null;
 112         }
 113     }
 114
 115     @Override
 116     public ServiceGroupIdentifier getIdentifier() {
 117         return IDENTIFIER;
 118     }
 119
 120 }