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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.translate.v3po.interfaces;
import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
import io.fd.honeycomb.translate.vpp.util.NamingContext;
import io.fd.honeycomb.translate.vpp.util.WriteTimeoutException;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import io.fd.vpp.jvpp.VppBaseCallException;
import io.fd.vpp.jvpp.core.dto.SwInterfaceSetTable;
import io.fd.vpp.jvpp.core.dto.SwInterfaceSetTableReply;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import java.util.concurrent.CompletionStage;
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.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.Routing;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RoutingCustomizer extends FutureJVppCustomizer implements WriterCustomizer<Routing>, JvppReplyConsumer {
private static final Logger LOG = LoggerFactory.getLogger(RoutingCustomizer.class);
private final NamingContext interfaceContext;
public RoutingCustomizer(final FutureJVppCore vppApi, final NamingContext interfaceContext) {
super(vppApi);
this.interfaceContext = interfaceContext;
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Routing> id,
@Nonnull final Routing dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String ifName = id.firstKeyOf(Interface.class).getName();
try {
setRouting(id, ifName, dataAfter, writeContext);
} catch (VppBaseCallException e) {
LOG.warn("Failed to set routing for interface: {}, {}, vxlan: {}", ifName, writeContext, dataAfter);
throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
}
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Routing> id,
@Nonnull final Routing dataBefore, @Nonnull final Routing dataAfter,
@Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String ifName = id.firstKeyOf(Interface.class).getName();
try {
setRouting(id, ifName, dataAfter, writeContext);
} catch (VppBaseCallException e) {
LOG.warn("Failed to update routing for interface: {}, {}, vxlan: {}", ifName, writeContext, dataAfter);
throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, e);
}
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Routing> id,
@Nonnull final Routing dataBefore, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String ifName = id.firstKeyOf(Interface.class).getName();
try {
disableRouting(id, ifName, writeContext);
} catch (VppBaseCallException e) {
LOG.warn("Failed to disable routing for interface: {}, {}", ifName, writeContext);
throw new WriteFailedException.DeleteFailedException(id, e);
}
}
private void setRouting(final InstanceIdentifier<Routing> id, final String name, final Routing rt,
final WriteContext writeContext) throws VppBaseCallException, WriteTimeoutException {
final int swIfc = interfaceContext.getIndex(name, writeContext.getMappingContext());
LOG.debug("Setting routing for interface: {}, {}. Routing: {}", name, swIfc, rt);
int vrfId = (rt != null)
? rt.getVrfId().intValue()
: 0;
if (vrfId != 0) {
final CompletionStage<SwInterfaceSetTableReply> swInterfaceSetTableReplyCompletionStage =
getFutureJVpp()
.swInterfaceSetTable(getInterfaceSetTableRequest(swIfc, (byte) 0, /* isIpv6 */ vrfId));
getReplyForWrite(swInterfaceSetTableReplyCompletionStage.toCompletableFuture(), id);
LOG.debug("Routing set successfully for interface: {}, {}, routing: {}", name, swIfc, rt);
}
}
/**
* In this case, there is no such thing as delete routing,only thing that can be done is to disable it by setting
* default value 0
*/
private void disableRouting(final InstanceIdentifier<Routing> id, final String name,
final WriteContext writeContext) throws VppBaseCallException, WriteTimeoutException {
final int swIfc = interfaceContext.getIndex(name, writeContext.getMappingContext());
LOG.debug("Disabling routing for interface: {}, {}.", name, swIfc);
getReplyForWrite(getFutureJVpp()
.swInterfaceSetTable(getInterfaceSetTableRequest(swIfc, (byte) 0, 0)).toCompletableFuture(), id);
LOG.debug("Routing for interface: {}, {} successfully disabled", name, swIfc);
}
private SwInterfaceSetTable getInterfaceSetTableRequest(final int swIfc, final byte isIpv6, final int vrfId) {
final SwInterfaceSetTable swInterfaceSetTable = new SwInterfaceSetTable();
swInterfaceSetTable.isIpv6 = isIpv6;
swInterfaceSetTable.swIfIndex = swIfc;
swInterfaceSetTable.vrfId = vrfId;
return swInterfaceSetTable;
}
}
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