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/*
* Copyright (c) 2016 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.hc2vpp.nat;
import com.google.common.annotations.VisibleForTesting;
import com.google.inject.AbstractModule;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import com.google.inject.multibindings.Multibinder;
import io.fd.hc2vpp.nat.jvpp.JVppSnatProvider;
import io.fd.hc2vpp.nat.read.NatReaderFactory;
import io.fd.hc2vpp.nat.read.ifc.IfcNatReaderFactory;
import io.fd.hc2vpp.nat.read.ifc.SubIfcNatReaderFactory;
import io.fd.hc2vpp.nat.util.MappingEntryContext;
import io.fd.hc2vpp.nat.write.NatWriterFactory;
import io.fd.hc2vpp.nat.write.ifc.IfcNatWriterFactory;
import io.fd.hc2vpp.nat.write.ifc.SubIfcNatWriterFactory;
import io.fd.honeycomb.translate.read.ReaderFactory;
import io.fd.honeycomb.translate.write.WriterFactory;
import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Module class instantiating nat plugin components.
*/
public final class NatModule extends AbstractModule {
private static final Logger LOG = LoggerFactory.getLogger(NatModule.class);
private final Class<? extends Provider<FutureJVppSnatFacade>> jvppSnatProviderClass;
public NatModule() {
this(JVppSnatProvider.class);
}
@VisibleForTesting
NatModule(Class<? extends Provider<FutureJVppSnatFacade>> jvppSnatProvider) {
this.jvppSnatProviderClass = jvppSnatProvider;
}
@Override
protected void configure() {
// Mapping entry context util
bind(MappingEntryContext.class).toInstance(new MappingEntryContext());
LOG.debug("Installing NAT module");
// Bind to Plugin's JVPP
bind(FutureJVppSnatFacade.class).toProvider(jvppSnatProviderClass).in(Singleton.class);
final Multibinder<ReaderFactory> readBinder = Multibinder.newSetBinder(binder(), ReaderFactory.class);
readBinder.addBinding().to(IfcNatReaderFactory.class).in(Singleton.class);
readBinder.addBinding().to(SubIfcNatReaderFactory.class).in(Singleton.class);
readBinder.addBinding().to(NatReaderFactory.class).in(Singleton.class);
final Multibinder<WriterFactory> writeBinder = Multibinder.newSetBinder(binder(), WriterFactory.class);
writeBinder.addBinding().to(IfcNatWriterFactory.class).in(Singleton.class);
writeBinder.addBinding().to(SubIfcNatWriterFactory.class).in(Singleton.class);
writeBinder.addBinding().to(NatWriterFactory.class).in(Singleton.class);
LOG.info("Module NAT successfully configured");
}
}
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