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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.vpp;
import com.google.common.base.Preconditions;
import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
import io.fd.honeycomb.translate.v3po.util.AddressTranslator;
import io.fd.honeycomb.translate.v3po.util.ByteDataTranslator;
import io.fd.honeycomb.translate.v3po.util.FutureJVppCustomizer;
import io.fd.honeycomb.translate.v3po.util.JvppReplyConsumer;
import io.fd.honeycomb.translate.v3po.util.NamingContext;
import io.fd.honeycomb.translate.v3po.util.WriteTimeoutException;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import java.util.concurrent.CompletionStage;
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.Ipv4AddressNoZone;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.bridge.domain.attributes.arp.termination.table.ArpTerminationTableEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.bridge.domain.attributes.arp.termination.table.ArpTerminationTableEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.bridge.domains.BridgeDomain;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.VppBaseCallException;
import org.openvpp.jvpp.core.dto.BdIpMacAddDel;
import org.openvpp.jvpp.core.dto.BdIpMacAddDelReply;
import org.openvpp.jvpp.core.future.FutureJVppCore;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Writer Customizer responsible for ARP termination table management.<br> Sends {@code bd_ip_mac_add_del} message to
* VPP.<br> Equivalent of invoking {@code vppctl set bridge-domain arp term} command.
*/
public class ArpTerminationTableEntryCustomizer extends FutureJVppCustomizer
implements ListWriterCustomizer<ArpTerminationTableEntry, ArpTerminationTableEntryKey>, ByteDataTranslator,
AddressTranslator, JvppReplyConsumer {
private static final Logger LOG = LoggerFactory.getLogger(ArpTerminationTableEntryCustomizer.class);
private final NamingContext bdContext;
public ArpTerminationTableEntryCustomizer(@Nonnull final FutureJVppCore futureJvpp,
@Nonnull final NamingContext bdContext) {
super(futureJvpp);
this.bdContext = Preconditions.checkNotNull(bdContext, "bdContext should not be null");
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<ArpTerminationTableEntry> id,
@Nonnull final ArpTerminationTableEntry dataAfter,
@Nonnull final WriteContext writeContext)
throws WriteFailedException {
try {
LOG.debug("Creating ARP termination table entry: {} {}", id, dataAfter);
bdIpMacAddDel(id, dataAfter, writeContext, true);
LOG.debug("L2 ARP termination table entry created successfully: {} {}", id, dataAfter);
} catch (VppBaseCallException e) {
LOG.warn("Failed to create ARP termination table entry: {} {}", id, dataAfter);
throw new WriteFailedException.CreateFailedException(id, dataAfter, e);
}
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<ArpTerminationTableEntry> id,
@Nonnull final ArpTerminationTableEntry dataBefore,
@Nonnull final ArpTerminationTableEntry dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
throw new UnsupportedOperationException(
"ARP termination table entry update is not supported. It has to be deleted and then created.");
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<ArpTerminationTableEntry> id,
@Nonnull final ArpTerminationTableEntry dataBefore,
@Nonnull final WriteContext writeContext)
throws WriteFailedException {
try {
LOG.debug("Deleting ARP termination table entry entry: {} {}", id, dataBefore);
bdIpMacAddDel(id, dataBefore, writeContext, false);
LOG.debug("ARP termination table entry deleted successfully: {} {}", id, dataBefore);
} catch (VppBaseCallException e) {
LOG.warn("Failed to delete ARP termination table entry: {} {}", id, dataBefore);
throw new WriteFailedException.DeleteFailedException(id, e);
}
}
private void bdIpMacAddDel(@Nonnull final InstanceIdentifier<ArpTerminationTableEntry> id,
@Nonnull final ArpTerminationTableEntry entry,
final WriteContext writeContext, boolean isAdd)
throws VppBaseCallException, WriteTimeoutException {
final String bdName = id.firstKeyOf(BridgeDomain.class).getName();
final int bdId = bdContext.getIndex(bdName, writeContext.getMappingContext());
final BdIpMacAddDel request = createRequest(entry, bdId, isAdd);
LOG.debug("Sending l2FibAddDel request: {}", request);
final CompletionStage<BdIpMacAddDelReply> replyCompletionStage =
getFutureJVpp().bdIpMacAddDel(request);
getReplyForWrite(replyCompletionStage.toCompletableFuture(), id);
}
private BdIpMacAddDel createRequest(final ArpTerminationTableEntry entry, final int bdId, boolean isAdd) {
final BdIpMacAddDel request = new BdIpMacAddDel();
request.bdId = bdId;
request.isAdd = booleanToByte(isAdd);
request.macAddress = parseMac(entry.getPhysAddress().getValue());
final IpAddress ipAddress = entry.getIpAddress();
if (ipAddress.getIpv6Address() != null) {
// FIXME: HONEYCOMB-187 vpp does not support ipv6 in arp-termination table (based on analysis of l2_bd.c)
throw new UnsupportedOperationException("IPv6 address for ARP termination table is not supported yet");
}
request.ipAddress = ipv4AddressNoZoneToArray(new Ipv4AddressNoZone(ipAddress.getIpv4Address()));
return request;
}
}
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