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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 static io.fd.honeycomb.infra.distro.data.InmemoryDOMDataBrokerProvider.CONFIG;
import static io.fd.honeycomb.infra.distro.data.InmemoryDOMDataBrokerProvider.OPERATIONAL;
import com.google.inject.PrivateModule;
import com.google.inject.Singleton;
import com.google.inject.name.Names;
import io.fd.honeycomb.infra.distro.data.BindingDataBrokerProvider;
import io.fd.honeycomb.infra.distro.data.DataStoreProvider;
import io.fd.honeycomb.infra.distro.data.InmemoryDOMDataBrokerProvider;
import io.fd.honeycomb.translate.bgp.RibWriter;
import io.netty.channel.EventLoopGroup;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
import org.opendaylight.protocol.bgp.rib.impl.spi.RIB;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class BgpModule extends PrivateModule {
private static final Logger LOG = LoggerFactory.getLogger(BgpModule.class);
static final String HONEYCOMB_BGP = "honeycomb-bgp";
@Override
protected void configure() {
LOG.debug("Initializing BgpModule");
// Create BGPDispatcher BGPDispatcher for creating BGP clients
bind(EventLoopGroup.class).toProvider(BgpNettyThreadGroupProvider.class).in(Singleton.class);
bind(BGPDispatcher.class).toProvider(BGPDispatcherImplProvider.class).in(Singleton.class);
// Bind BgpPolicy configuration before RIB is initialized
install(new BgpPolicyConfigurationModule());
configureRIB();
// Create BGP server instance (initialize eagerly to start BGP)
bind(BgpServerProvider.BgpServer.class).toProvider(BgpServerProvider.class).asEagerSingleton();
// Listens for local RIB modifications and passes routes to translation layer
// (initialize eagerly to configure RouteWriters)
bind(RibWriter.class).toProvider(LocRibWriterProvider.class).asEagerSingleton();
expose(RibWriter.class);
// install configuration module (hidden from HC user):
install(new BgpConfigurationModule());
}
private void configureRIB() {
// Create inmemory config data store for HONEYCOMB_BGP
bind(InMemoryDOMDataStore.class).annotatedWith(Names.named(CONFIG))
.toProvider(new DataStoreProvider(CONFIG, LogicalDatastoreType.CONFIGURATION))
.in(Singleton.class);
// Create inmemory operational data store for HONEYCOMB_BGP
bind(InMemoryDOMDataStore.class).annotatedWith(Names.named(OPERATIONAL))
.toProvider(new DataStoreProvider(OPERATIONAL, LogicalDatastoreType.OPERATIONAL))
.in(Singleton.class);
// Wrap datastores as DOMDataBroker
// TODO make executor service configurable
bind(DOMDataBroker.class).toProvider(InmemoryDOMDataBrokerProvider.class).in(Singleton.class);
// Wrap DOMDataBroker as BA data broker (required by BgpReaderFactoryProvider)
bind(DataBroker.class).annotatedWith(Names.named(HONEYCOMB_BGP)).toProvider(BindingDataBrokerProvider.class)
.in(Singleton.class);
expose(DataBroker.class).annotatedWith(Names.named(HONEYCOMB_BGP));
// Create RIB instance
bind(RIB.class).toProvider(BgpRIBProvider.class).in(Singleton.class);
expose(RIB.class);
}
}
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