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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.hc2vpp.v3po.interfaces;
import static com.google.common.base.Preconditions.checkState;
import com.google.common.base.Optional;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
import io.fd.honeycomb.translate.util.RWUtils;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.List;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv6;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev181008.interfaces._interface.Routing;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class InterfaceRoutingCustomizer extends RoutingCustomizer
implements WriterCustomizer<Routing> {
public InterfaceRoutingCustomizer(@Nonnull final FutureJVppCore vppApi,
@Nonnull final NamingContext interfaceContext) {
super(vppApi, interfaceContext);
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Routing> id,
@Nonnull final Routing dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
checkState(isAddressNotPresentForInterface(id, writeContext, true),
"Cannot change routing configuration, if address is present for interface");
final String ifName = id.firstKeyOf(Interface.class).getName();
setRouting(id, ifName, dataAfter, writeContext);
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Routing> id,
@Nonnull final Routing dataBefore, @Nonnull final Routing dataAfter,
@Nonnull final WriteContext writeContext)
throws WriteFailedException {
checkState(isAddressNotPresentForInterface(id, writeContext, true),
"Cannot change routing configuration, if address is present for interface");
final String ifName = id.firstKeyOf(Interface.class).getName();
setRouting(id, ifName, dataAfter, writeContext);
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Routing> id,
@Nonnull final Routing dataBefore, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
checkState(isAddressNotPresentForInterface(id, writeContext, false),
"Cannot change routing configuration, if address is present for interface");
final String ifName = id.firstKeyOf(Interface.class).getName();
disableRouting(id, ifName, writeContext);
}
/**
* Returns true if interface does not have v4/v6 addresses configured
*/
private boolean isAddressNotPresentForInterface(@Nonnull final InstanceIdentifier<Routing> id,
@Nonnull final WriteContext ctx,
boolean checkBefore) {
final Optional<Interface> interfaceData = checkBefore
? ctx.readBefore(RWUtils.cutId(id, Interface.class))
: ctx.readAfter(RWUtils.cutId(id, Interface.class));
if (interfaceData.isPresent()) {
final java.util.Optional<Interface1> augData = java.util.Optional.of(interfaceData.get())
.map(iface -> iface.augmentation(Interface1.class));
final boolean v4NotPresent =
augData.map(Interface1::getIpv4).map(Ipv4::getAddress).map(List::isEmpty).orElse(true);
final boolean v6NotPresent =
augData.map(Interface1::getIpv6).map(Ipv6::getAddress).map(List::isEmpty).orElse(true);
return v4NotPresent && v6NotPresent;
}
return true;
}
}
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