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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.dhcp.write;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
import io.fd.hc2vpp.common.translate.util.Ipv6Translator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
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.DhcpProxyConfig2;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
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.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.Ipv6;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.Relay;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.dhcp.rev170315.dhcp.attributes.relays.RelayKey;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
final class DhcpRelayCustomizer extends FutureJVppCustomizer implements ListWriterCustomizer<Relay, RelayKey>,
JvppReplyConsumer, ByteDataTranslator, Ipv6Translator, Ipv4Translator {
private static final Logger LOG = LoggerFactory.getLogger(DhcpRelayCustomizer.class);
DhcpRelayCustomizer(final FutureJVppCore vppApi) {
super(vppApi);
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Relay> id, @Nonnull final Relay dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
LOG.debug("Writing Relay {} dataAfter={}", id, dataAfter);
setRelay(id, dataAfter, writeContext, true);
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Relay> id, @Nonnull final Relay dataBefore,
@Nonnull final Relay dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
LOG.debug("Updating Relay {} before={} after={}", id, dataBefore, dataAfter);
setRelay(id, dataAfter, writeContext, true);
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Relay> id, @Nonnull final Relay dataBefore,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
LOG.debug("Removing Relay {} dataBefore={}", id, dataBefore);
setRelay(id, dataBefore, writeContext, false);
}
private void setRelay(final InstanceIdentifier<Relay> id, final Relay relay, final WriteContext writeContext,
final boolean isAdd) throws WriteFailedException {
final DhcpProxyConfig2 request = new DhcpProxyConfig2();
request.rxVrfId = relay.getRxVrfId().byteValue();
final boolean isIpv6 = Ipv6.class == relay.getAddressType();
request.isIpv6 = booleanToByte(isIpv6);
request.serverVrfId = relay.getServerVrfId().intValue();
request.isAdd = booleanToByte(isAdd);
request.insertCircuitId = booleanToByte(relay.isInsertCircuitId());
request.dhcpServer = parseAddress(relay.getServerAddress(), isIpv6);
request.dhcpSrcAddress = parseAddress(relay.getGatewayAddress(), isIpv6);
getReplyForWrite(getFutureJVpp().dhcpProxyConfig2(request).toCompletableFuture(), id);
}
private byte[] parseAddress(@Nonnull final IpAddress address, final boolean isIpv6) {
if (isIpv6) {
return ipv6AddressNoZoneToArray(address.getIpv6Address());
} else {
return ipv4AddressNoZoneToArray(address.getIpv4Address().getValue());
}
}
}
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