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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.samples.write;
import io.fd.hc2vpp.common.translate.util.AddressTranslator;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.core.dto.VxlanAddDelTunnel;
import io.fd.vpp.jvpp.core.dto.VxlanAddDelTunnelReply;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.sample.plugin.rev161214.sample.plugin.params.vxlans.VxlanTunnel;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.sample.plugin.rev161214.sample.plugin.params.vxlans.VxlanTunnelKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import javax.annotation.Nonnull;
/**
* Writer for {@link VxlanTunnel} list node from our YANG model.
*/
public final class VxlanWriteCustomizer implements ListWriterCustomizer<VxlanTunnel, VxlanTunnelKey>,
ByteDataTranslator,
AddressTranslator,
JvppReplyConsumer {
/**
* JVpp APIs
*/
private final FutureJVppCore jvppCore;
/**
* Shared vxlan tunnel naming context
*/
private final NamingContext vxlanTunnelNamingContext;
public VxlanWriteCustomizer(final FutureJVppCore jvppCore, final NamingContext vxlanTunnelNamingContext) {
this.jvppCore = jvppCore;
this.vxlanTunnelNamingContext = vxlanTunnelNamingContext;
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<VxlanTunnel> id,
@Nonnull final VxlanTunnel dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
// Create and set vxlan tunnel add request
final VxlanAddDelTunnel vxlanAddDelTunnel = new VxlanAddDelTunnel();
// 1 for add, 0 for delete
vxlanAddDelTunnel.isAdd = 1;
// dataAfter is the new vxlanTunnel configuration
final boolean isIpv6 = dataAfter.getSrc().getIpv6Address() != null;
vxlanAddDelTunnel.isIpv6 = booleanToByte(isIpv6);
vxlanAddDelTunnel.srcAddress = ipAddressToArray(isIpv6, dataAfter.getSrc());
vxlanAddDelTunnel.dstAddress = ipAddressToArray(isIpv6, dataAfter.getDst());
// There are other input parameters that are not exposed by our YANG model, default values will be used
final VxlanAddDelTunnelReply replyForWrite = getReplyForWrite(jvppCore.vxlanAddDelTunnel(vxlanAddDelTunnel).toCompletableFuture(), id);
// VPP returns the index of new vxlan tunnel
final int newVxlanTunnelIndex = replyForWrite.swIfIndex;
// It's important to store it in context so that reader knows to which name a vxlan tunnel is mapped
vxlanTunnelNamingContext.addName(newVxlanTunnelIndex, dataAfter.getId(), writeContext.getMappingContext());
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<VxlanTunnel> id,
@Nonnull final VxlanTunnel dataBefore,
@Nonnull final VxlanTunnel dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
// Not supported at VPP API level, throw exception
throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter,
new UnsupportedOperationException("Vxlan tunnel update is not supported by VPP"));
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<VxlanTunnel> id,
@Nonnull final VxlanTunnel dataBefore,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
// Create and set vxlan tunnel add request
final VxlanAddDelTunnel vxlanAddDelTunnel = new VxlanAddDelTunnel();
// 1 for add, 0 for delete
vxlanAddDelTunnel.isAdd = 0;
// Vxlan tunnel is identified by its attributes when deleting, not index, so set all attributes
// dataBefore is the vxlan tunnel that's being deleted
final boolean isIpv6 = dataBefore.getSrc().getIpv6Address() != null;
vxlanAddDelTunnel.isIpv6 = booleanToByte(isIpv6);
vxlanAddDelTunnel.srcAddress = ipAddressToArray(isIpv6, dataBefore.getSrc());
vxlanAddDelTunnel.dstAddress = ipAddressToArray(isIpv6, dataBefore.getDst());
// There are other input parameters that are not exposed by our YANG model, default values will be used
getReplyForWrite(jvppCore.vxlanAddDelTunnel(vxlanAddDelTunnel).toCompletableFuture(), id);
// It's important to remove the mapping from context
vxlanTunnelNamingContext.removeName(dataBefore.getId(), writeContext.getMappingContext());
}
}
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