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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.honeycomb.infra.bgp;
import com.google.common.base.Preconditions;
import com.google.inject.Inject;
import com.google.inject.name.Named;
import io.fd.honeycomb.binding.init.ProviderTrait;
import io.fd.honeycomb.data.init.ShutdownHandler;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec;
import org.opendaylight.controller.md.sal.dom.broker.impl.PingPongDataBroker;
import org.opendaylight.controller.sal.core.compat.LegacyDOMDataBrokerAdapter;
import org.opendaylight.mdsal.dom.api.DOMDataBroker;
import org.opendaylight.mdsal.dom.api.DOMSchemaService;
import org.opendaylight.protocol.bgp.openconfig.routing.policy.impl.BGPRibRoutingPolicyFactoryImpl;
import org.opendaylight.protocol.bgp.openconfig.routing.policy.spi.registry.StatementRegistry;
import org.opendaylight.protocol.bgp.openconfig.spi.BGPTableTypeRegistryConsumer;
import org.opendaylight.protocol.bgp.rib.impl.CodecsRegistryImpl;
import org.opendaylight.protocol.bgp.rib.impl.RIBImpl;
import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
import org.opendaylight.protocol.bgp.rib.impl.spi.RIB;
import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionConsumerContext;
import org.opendaylight.protocol.bgp.rib.spi.policy.BGPRibRoutingPolicy;
import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafi;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.BgpTableType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.RibId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.BgpId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.ClusterIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
final class BgpRIBProvider extends ProviderTrait<RIB> {
private static final Logger LOG = LoggerFactory.getLogger(BgpRIBProvider.class);
@Inject
private BgpConfiguration cfg;
@Inject
private BgpPolicyConfiguration policyCfg;
@Inject
private RIBExtensionConsumerContext extensions;
@Inject
private BGPDispatcher dispatcher;
@Inject
private BindingToNormalizedNodeCodec codec;
@Inject
private DOMDataBroker domBroker;
@Inject
@Named(BgpModule.HONEYCOMB_BGP)
private DataBroker dataBroker;
@Inject
private BGPTableTypeRegistryConsumer tableTypeRegistry;
@Inject
private DOMSchemaService schemaService;
@Inject
private ShutdownHandler shutdownHandler;
@Inject
private Set<AfiSafi> configuredAfiSafis;
@Override
protected RIB create() {
LegacyDOMDataBrokerAdapter DomDataBrokerAdapter = new LegacyDOMDataBrokerAdapter(domBroker);
DomDataBrokerAdapter.getSupportedExtensions().get(DOMSchemaService.class);
Preconditions.checkArgument(policyCfg.getPolicyConfig().isPresent(),
"Bgp policy configuration failed to load. Check bgp-policy.json configuration file.");
final AsNumber asNumber = new AsNumber(cfg.bgpAsNumber.get().longValue());
final Ipv4Address routerId = new Ipv4Address(cfg.bgpBindingAddress.get());
final ClusterIdentifier clusterId = new ClusterIdentifier(routerId);
LOG.debug("Creating BGP RIB: routerId={}, asNumber={}", routerId, asNumber);
// TODO(HONEYCOMB-395): should all afi-safis use the same send-max value?
// TODO(HONEYCOMB-363): configure other BGP Multiprotocol extensions:
final ArrayList<AfiSafi> afiSafiList = new ArrayList<>(configuredAfiSafis);
// based on org.opendaylight.protocol.bgp.rib.impl.config.RibImpl.createRib
final PingPongDataBroker pingPongDataBroker = new PingPongDataBroker(DomDataBrokerAdapter);
final CodecsRegistryImpl codecsRegistry =
CodecsRegistryImpl.create(codec, extensions.getClassLoadingStrategy());
final BGPRibRoutingPolicyFactoryImpl bgpRibRoutingPolicyFactory =
new BGPRibRoutingPolicyFactoryImpl(dataBroker, new StatementRegistry());
final BGPRibRoutingPolicy ribPolicies = bgpRibRoutingPolicyFactory
.buildBGPRibPolicy(cfg.bgpAsNumber.get(), new Ipv4Address(cfg.bgpBindingAddress.get()), clusterId,
policyCfg.getPolicyConfig().get());
final RIBImpl rib = new RIBImpl(tableTypeRegistry, new RibId(cfg.bgpProtocolInstanceName.get()),
asNumber, new BgpId(routerId), extensions, dispatcher, codecsRegistry, pingPongDataBroker, dataBroker,
ribPolicies, toTableTypes(afiSafiList, tableTypeRegistry), Collections.emptyMap());
rib.instantiateServiceInstance();
// required for proper RIB's CodecRegistry initialization (based on RIBImpl.start)
schemaService.registerSchemaContextListener(rib);
shutdownHandler.register("ping-pong-data-broker", pingPongDataBroker);
LOG.debug("BGP RIB created successfully: {}", rib);
return rib;
}
private List<BgpTableType> toTableTypes(final List<AfiSafi> afiSafis,
final BGPTableTypeRegistryConsumer tableTypeRegistry) {
return afiSafis.stream()
.filter(afiSafi -> afiSafi.getAfiSafiName()!=null)
.map(afiSafi -> tableTypeRegistry.getTableType(afiSafi.getAfiSafiName()))
.filter(Optional::isPresent)
.map(Optional::get)
.collect(Collectors.toList());
}
}
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