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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.util.function.xconnect;
import com.google.common.base.Preconditions;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.srv6.write.sid.request.XConnectLocalSidRequest;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.vpp.jvpp.core.dto.SrLocalsidsDetails;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.Collections;
import java.util.Optional;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.srv6._static.rev180301.multi.paths.v6.PathsBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.srv6._static.rev180301.multi.paths.v6.paths.Path;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.srv6._static.rev180301.multi.paths.v6.paths.PathBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.srv6._static.rev180301.srv6._static.cfg.Sid;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.srv6._static.rev180301.srv6._static.cfg.SidBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.srv6._static.rev180301.srv6.sid.config.EndXBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.srv6.base.rev180301.PathAttrsCmn;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.srv6.types.rev180301.EndX;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.srv6.types.rev180301.Srv6EndpointType;
public class EndXFunctionBinder extends XConnectFunctionBinder {
private static final int END_X_FUNCTION_VALUE = 2;
public EndXFunctionBinder(@Nonnull FutureJVppCore api, @Nonnull NamingContext interfaceContext) {
super(api, interfaceContext);
}
@Nonnull
@Override
public XConnectLocalSidRequest createWriteRequestAndBind(@Nonnull Sid data,
@Nonnull WriteContext ctx) {
XConnectLocalSidRequest request = new XConnectLocalSidRequest(getFutureJVpp());
Preconditions.checkNotNull(data.getEndX(), "EndX data cannot be null.");
Preconditions.checkNotNull(data.getEndX().getPaths(), "EndX paths cannot be null.");
Preconditions.checkNotNull(data.getEndX().getPaths().getPath(), "EndX list of paths cannot be null.");
Optional<Path> firstPathOptional = data.getEndX().getPaths().getPath().stream().findFirst();
Preconditions
.checkArgument(firstPathOptional.isPresent(), "Failed to map data: {} for request: {}", data, request);
request.setOutgoingInterfaceIndex(
getInterfaceIndex(ctx.getMappingContext(), firstPathOptional.get().getInterface()));
request.setNextHopAddress(new IpAddress(firstPathOptional.get().getNextHop()));
request.setFunction(getBehaviourFunctionType());
return request;
}
@Override
public void translateFromDump(@Nonnull SrLocalsidsDetails data, @Nonnull ReadContext ctx,
@Nonnull final SidBuilder builder) {
Ipv6AddressNoZone ipv6AddressNoZone = arrayToIpv6AddressNoZone(data.xconnectNhAddr6);
String interfaceName = getInterfaceName(ctx.getMappingContext(), data.xconnectIfaceOrVrfTable);
EndXBuilder endX = new EndXBuilder()
// TODO(HC2VPP-335): currently vpp allows to configure only one next hop
// therefore setting path index, role and weight to constants
.setPaths(new PathsBuilder().setPath(Collections.singletonList(
new PathBuilder()
.setNextHop(ipv6AddressNoZone)
.setInterface(interfaceName)
.setPathIndex(DEFAULT_PATH_INDEX)
.setWeight(DEFAULT_WEIGHT)
.setRole(PathAttrsCmn.Role.PRIMARY)
.build())).build());
builder.setEndX(endX.build());
}
@Nonnull
@Override
public Class<? extends Srv6EndpointType> getHandledFunctionType() {
return EndX.class;
}
@Override
public int getBehaviourFunctionType() {
return END_X_FUNCTION_VALUE;
}
}
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