/*
* Copyright (c) 2016 Cisco Systems, Inc. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.controller.config.yang.config.neutron_mapper.impl;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import org.opendaylight.controller.config.yang.config.groupbasedpolicy.GroupbasedpolicyInstance;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
import org.opendaylight.groupbasedpolicy.neutron.mapper.NeutronMapper;
import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.base_endpoint.rev160427.BaseEndpointService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.EndpointService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class NeutronMapperInstance implements ClusterSingletonService, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(NeutronMapperInstance.class);
private static final ServiceGroupIdentifier IDENTIFIER =
ServiceGroupIdentifier.create(GroupbasedpolicyInstance.GBP_SERVICE_GROUP_IDENTIFIER);
private final DataBroker dataBroker;
private final ClusterSingletonServiceProvider clusterSingletonService;
private final RpcProviderRegistry rpcBroker;
private IpPrefix metadataIpPrefix;
private int metadataPort;
private ClusterSingletonServiceRegistration singletonServiceRegistration;
private NeutronMapper mapper;
public NeutronMapperInstance(final DataBroker dataBroker,
final RpcProviderRegistry rpcBroker,
final ClusterSingletonServiceProvider clusterSingletonService,
final String metadataIp,
final String metadataPort) {
this.dataBroker = Preconditions.checkNotNull(dataBroker);
this.rpcBroker = Preconditions.checkNotNull(rpcBroker);
this.clusterSingletonService = Preconditions.checkNotNull(clusterSingletonService);
try {
InetAddress inetAddr = InetAddress.getByName(metadataIp);
if (inetAddr instanceof Inet4Address) {
this.metadataIpPrefix = new IpPrefix(new Ipv4Prefix(Preconditions.checkNotNull(metadataIp) + "/32"));
} else if (inetAddr instanceof Inet6Address) {
this.metadataIpPrefix = new IpPrefix(new Ipv6Prefix(Preconditions.checkNotNull(metadataIp) + "/128"));
}
this.metadataPort = Integer.parseInt(Preconditions.checkNotNull(metadataPort));
LOG.info("Resolved Metadata CIDR: {} and port {}.", metadataIpPrefix, metadataPort);
} catch (Exception ex) {
if (ex instanceof NumberFormatException) {
LOG.warn("Metadata port cannot be resolved. Provided value: {}. Continue without support for metadata.",
metadataPort);
} else {
LOG.warn("MetadataIP could not be resolved. Provided value: {}. Continue without support for metadata.",
metadataIp);
}
this.metadataIpPrefix = null;
}
}
public void instantiate() {
LOG.info("Clustering session initiated for {}", this.getClass().getSimpleName());
singletonServiceRegistration = clusterSingletonService.registerClusterSingletonService(this);
}
@Override
public void instantiateServiceInstance() {
LOG.info("Instantiating {}", this.getClass().getSimpleName());
final EndpointService epService = rpcBroker.getRpcService(EndpointService.class);
final BaseEndpointService baseEndpointService = rpcBroker.getRpcService(BaseEndpointService.class);
mapper = new NeutronMapper(dataBroker, epService, baseEndpointService, metadataIpPrefix, metadataPort);
}
@Override
public ListenableFuture<Void> closeServiceInstance() {
LOG.info("Instance {} closed", this.getClass().getSimpleName());
mapper.close();
return Futures.immediateFuture(null);
}
@Override
public void close() throws Exception {
LOG.info("Clustering provider closed for {}", this.getClass().getSimpleName());
if (singletonServiceRegistration != null) {
try {
singletonServiceRegistration.close();
} catch (Exception e) {
LOG.warn("{} closed unexpectedly", e.getMessage());
}
singletonServiceRegistration = null;
}
}
@Override
public ServiceGroupIdentifier getIdentifier() {
return IDENTIFIER;
}
}