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/*
* Copyright (c) 2018 Bell Canada, Pantheon Technologies 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.srv6.read.steering;
import com.google.common.collect.ImmutableSet;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.srv6.read.steering.request.L3SteeringRequest;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
import io.fd.honeycomb.translate.util.RWUtils;
import io.fd.jvpp.core.future.FutureJVppCore;
import java.util.List;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.http.cisco.com.ns.yang.oc.srte.policy.rev170918.prefixes.properties.Prefixes;
import org.opendaylight.yang.gen.v1.http.cisco.com.ns.yang.oc.srte.policy.rev170918.prefixes.properties.PrefixesBuilder;
import org.opendaylight.yang.gen.v1.http.cisco.com.ns.yang.oc.srte.policy.rev170918.prefixes.properties.prefixes.State;
import org.opendaylight.yang.gen.v1.http.cisco.com.ns.yang.oc.srte.policy.rev170918.prefixes.properties.prefixes.StateBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public class PrefixesStateCustomizer extends FutureJVppCustomizer implements ReaderCustomizer<State, StateBuilder> {
public PrefixesStateCustomizer(@Nonnull final FutureJVppCore futureJVppCore) {
super(futureJVppCore);
}
@Nonnull
@Override
public StateBuilder getBuilder(@Nonnull final InstanceIdentifier<State> instanceIdentifier) {
return new StateBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull final InstanceIdentifier<State> instanceIdentifier,
@Nonnull final StateBuilder stateBuilder, @Nonnull final ReadContext readContext)
throws ReadFailedException {
L3SteeringRequest request = new L3SteeringRequest(getFutureJVpp());
List<IpPrefix> ipPrefixes =
request.readAllIpPrefixes(RWUtils.cutId(instanceIdentifier, Prefixes.class), readContext);
// checks whether L3 steering contains default routes to steer all traffic to SRv6 policy. If found sets
// allPrefixes flag to true in autoroute-include/prefixes/state
boolean allPrefixes = ipPrefixes.containsAll(
ImmutableSet.of(new IpPrefix(new Ipv4Prefix("0.0.0.0/0")), new IpPrefix(new Ipv6Prefix("::/0"))));
stateBuilder.setPrefixesAll(allPrefixes);
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> builder, @Nonnull final State state) {
((PrefixesBuilder) builder).setState(state);
}
}
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