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