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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.v3po.translate.v3po.interfaces;
import com.google.common.base.Optional;
import io.fd.honeycomb.v3po.translate.Context;
import io.fd.honeycomb.v3po.translate.spi.write.ChildWriterCustomizer;
import io.fd.honeycomb.v3po.translate.v3po.util.VppApiCustomizer;
import io.fd.honeycomb.v3po.translate.v3po.util.VppApiInvocationException;
import io.fd.honeycomb.v3po.translate.v3po.utils.V3poUtils;
import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppInterfaceAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VxlanTunnel;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.Vxlan;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class VxlanCustomizer extends VppApiCustomizer implements ChildWriterCustomizer<Vxlan> {
private static final Logger LOG = LoggerFactory.getLogger(VxlanCustomizer.class);
public VxlanCustomizer(final org.openvpp.vppjapi.vppApi vppApi) {
super(vppApi);
}
@Nonnull
@Override
public Optional<Vxlan> extract(@Nonnull final InstanceIdentifier<Vxlan> currentId,
@Nonnull final DataObject parentData) {
return Optional.fromNullable(((VppInterfaceAugmentation) parentData).getVxlan());
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Vxlan> id, @Nonnull final Vxlan dataAfter,
@Nonnull final Context writeContext)
throws WriteFailedException.CreateFailedException {
try {
createVxlanTunnel(id.firstKeyOf(Interface.class).getName(), dataAfter);
} catch (VppApiInvocationException e) {
LOG.warn("Write of Vxlan failed", e);
throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
}
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Vxlan> id, @Nonnull final Vxlan dataBefore,
@Nonnull final Vxlan dataAfter, @Nonnull final Context writeContext)
throws WriteFailedException.UpdateFailedException {
// TODO handle update in a better way
try {
createVxlanTunnel(id.firstKeyOf(Interface.class).getName(), dataAfter);
} catch (VppApiInvocationException e) {
LOG.warn("Update of L2 failed", e);
throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, e);
}
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Vxlan> id, @Nonnull final Vxlan dataBefore,
@Nonnull final Context writeContext) {
// TODO handle delete
}
private void createVxlanTunnel(final String swIfName, final Vxlan vxlan) throws VppApiInvocationException {
Ipv4Address srcAddress = vxlan.getSrc();
Ipv4Address dstAddress = vxlan.getDst();
int srcAddr = V3poUtils.parseIp(srcAddress.getValue());
int dstAddr = V3poUtils.parseIp(dstAddress.getValue());
int encapVrfId = vxlan.getEncapVrfId().intValue();
int vni = vxlan.getVni().getValue().intValue();
LOG.debug("Setting vxlan tunnel for interface: {}. Vxlan: {}", swIfName, vxlan);
int ctxId = getVppApi().vxlanAddDelTunnel((byte) 1 /* is add */, srcAddr, dstAddr, encapVrfId, -1, vni);
final int rv = V3poUtils.waitForResponse(ctxId, getVppApi());
if (rv < 0) {
LOG.debug("Failed to set vxlan tunnel for interface: {}, vxlan: {}", swIfName, vxlan);
throw new VppApiInvocationException("vxlanAddDelTunnel", ctxId, rv);
} else {
LOG.debug("Vxlan tunnel set successfully for: {}, vxlan: {}", swIfName, vxlan);
// FIXME avoid this dump just to fill cache in vpp-japi
// refresh interfaces to be able to get ifIndex
getVppApi().swInterfaceDump((byte) 1, V3poUtils.IFC_TYPES.inverse().get(VxlanTunnel.class).getBytes());
}
}
}
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