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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.distro.bgp;

import com.google.inject.AbstractModule;
import com.google.inject.multibindings.Multibinder;
import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionConsumerContext;
import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionProviderActivator;
import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionConsumerContext;
import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionProviderActivator;

/**
 * Registers BGP extensions provided by ODL implementation.
 * TODO add support for flowspec (requires some special initialization)
 */
public final class BgpExtensionsModule extends AbstractModule {

    protected void configure() {
        // This should be part of BgpModule, but that one is Private and Multibinders + private BASE_MODULES
        // do not work together, that's why there's a dedicated module here
        // https://github.com/google/guice/issues/906
        configureRIBExtensions();
        configureBGPExtensions();
    }

    private void configureRIBExtensions() {
        final Multibinder<RIBExtensionProviderActivator> ribExtensionBinder = Multibinder.newSetBinder(binder(),
            RIBExtensionProviderActivator.class);
        ribExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.evpn.impl.RIBActivator.class);
        ribExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.inet.RIBActivator.class);
        ribExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.labeled.unicast.RIBActivator.class);
        ribExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.linkstate.impl.RIBActivator.class);
        ribExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.l3vpn.ipv4.RibIpv4Activator.class);
        ribExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.l3vpn.ipv6.RibIpv6Activator.class);
        bind(RIBExtensionConsumerContext.class).toProvider(RIBExtensionConsumerContextProvider.class);
    }

    private void configureBGPExtensions() {
        final Multibinder<BGPExtensionProviderActivator> bgpExtensionBinder = Multibinder.newSetBinder(binder(),
            BGPExtensionProviderActivator.class);
        bgpExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.parser.impl.BGPActivator.class);
        bgpExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.evpn.impl.BGPActivator.class);
        bgpExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.inet.BGPActivator.class);
        bgpExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.labeled.unicast.BGPActivator.class);
        bgpExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.linkstate.impl.BGPActivator.class);
        bgpExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.l3vpn.ipv4.BgpIpv4Activator.class);
        bgpExtensionBinder.addBinding().to(org.opendaylight.protocol.bgp.l3vpn.ipv6.BgpIpv6Activator.class);
        bind(BGPExtensionConsumerContext.class).toProvider(BGPExtensionConsumerContextProvider.class);
    }
}