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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.honeycomb.nat.write.ifc;
import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
import io.fd.honeycomb.translate.vpp.util.NamingContext;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.snat.dto.SnatInterfaceAddDelFeature;
import io.fd.vpp.jvpp.snat.dto.SnatInterfaceAddDelFeatureReply;
import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade;
import java.util.concurrent.CompletionStage;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
abstract class AbstractInterfaceNatCustomizer<D extends DataObject> implements JvppReplyConsumer, WriterCustomizer<D> {
private final FutureJVppSnatFacade jvppSnat;
private final NamingContext ifcContext;
AbstractInterfaceNatCustomizer(@Nonnull final FutureJVppSnatFacade jvppSnat,
@Nonnull final NamingContext ifcContext) {
this.jvppSnat = jvppSnat;
this.ifcContext = ifcContext;
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
final String ifcName = id.firstKeyOf(Interface.class).getName();
getLog().debug("Enabling " + getType() + " NAT on interface: {}", ifcName);
getLog().debug("Enabling " + getType() + " NAT: {}", id);
final int ifcIndex = ifcContext.getIndex(ifcName, writeContext.getMappingContext());
final SnatInterfaceAddDelFeature request = getRequest(ifcIndex, (byte)1);
final CompletionStage<SnatInterfaceAddDelFeatureReply> future = jvppSnat.snatInterfaceAddDelFeature(request);
final SnatInterfaceAddDelFeatureReply reply = getReplyForWrite(future.toCompletableFuture(), id);
getLog().debug("NAT " + getType() + " enabled successfully on: {}, reply: {}", ifcName, reply);
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<D> id,
@Nonnull final D dataBefore, @Nonnull final D dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter,
new UnsupportedOperationException("Unable to update NAT feature"));
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<D> id,
@Nonnull final D dataBefore, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String ifcName = id.firstKeyOf(Interface.class).getName();
getLog().debug("Disabling " + getType() + " NAT on interface: {}", ifcName);
getLog().debug("Disabling " + getType() + " NAT: {}", id);
final int ifcIndex = ifcContext.getIndex(ifcName, writeContext.getMappingContext());
final SnatInterfaceAddDelFeature request = getRequest(ifcIndex, (byte)0);
final CompletionStage<SnatInterfaceAddDelFeatureReply> future = jvppSnat.snatInterfaceAddDelFeature(request);
final SnatInterfaceAddDelFeatureReply reply = getReplyForWrite(future.toCompletableFuture(), id);
getLog().debug("NAT " + getType() + " disabled successfully on: {}, reply: {}", ifcName, reply);
}
enum NatType {
INBOUND((byte)1), OUTBOUND((byte)0);
private final byte isInside;
NatType(final byte isInside) {
this.isInside = isInside;
}
}
abstract NatType getType();
abstract Logger getLog();
private SnatInterfaceAddDelFeature getRequest(final int ifcIdx, final byte isAdd) {
final SnatInterfaceAddDelFeature request = new SnatInterfaceAddDelFeature();
request.isAdd = isAdd;
request.isInside = getType().isInside;
request.swIfIndex = ifcIdx;
return request;
}
}
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