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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.l3.write.ipv4;
import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.l3.utils.ip.write.IpWriter;
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.jvpp.core.future.FutureJVppCore;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev180220.interfaces.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.AddressKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.Subnet;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.subnet.Netmask;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.subnet.PrefixLength;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DottedQuad;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Customizer for writing {@link Address}
*/
public class Ipv4AddressCustomizer extends FutureJVppCustomizer
implements ListWriterCustomizer<Address, AddressKey>, IpWriter {
private static final Logger LOG = LoggerFactory.getLogger(Ipv4AddressCustomizer.class);
private final NamingContext interfaceContext;
public Ipv4AddressCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
@Nonnull final NamingContext interfaceContext) {
super(futureJVppCore);
this.interfaceContext = interfaceContext;
}
@Override
public void writeCurrentAttributes(InstanceIdentifier<Address> id, Address dataAfter, WriteContext writeContext)
throws WriteFailedException {
final String interfaceName = id.firstKeyOf(Interface.class).getName();
final int interfaceIndex = interfaceContext.getIndex(interfaceName, writeContext.getMappingContext());
// TODO - HC2VPP-92 - Add more descriptive exception handling after https://jira.fd.io/browse/VPP-649
setAddress(true, id, interfaceName, interfaceIndex, dataAfter);
}
@Override
public void deleteCurrentAttributes(InstanceIdentifier<Address> id, Address dataBefore, WriteContext writeContext)
throws WriteFailedException {
final String interfaceName = id.firstKeyOf(Interface.class).getName();
final int interfaceIndex = interfaceContext.getIndex(interfaceName, writeContext.getMappingContext());
setAddress(false, id, interfaceName, interfaceIndex, dataBefore);
}
private void setAddress(boolean add, final InstanceIdentifier<Address> id, final String interfaceName,
final int interfaceIndex, final Address address) throws WriteFailedException {
Subnet subnet = address.getSubnet();
if (subnet instanceof PrefixLength) {
setPrefixLengthSubnet(add, id, interfaceName, interfaceIndex, address, (PrefixLength) subnet);
} else {
setNetmaskSubnet(add, id, interfaceName, interfaceIndex, address, (Netmask) subnet);
}
}
private void setNetmaskSubnet(final boolean add, @Nonnull final InstanceIdentifier<Address> id,
@Nonnull final String interfaceName, final int interfaceIndex,
@Nonnull final Address address, @Nonnull final Netmask subnet)
throws WriteFailedException {
LOG.debug("Setting Subnet(subnet-mask) for interface: {}(id={}). Subnet: {}, address: {}",
interfaceName, interfaceIndex, subnet, address);
final DottedQuad netmask = subnet.getNetmask();
final byte subnetLength = getSubnetMaskLength(netmask.getValue());
addDelAddress(getFutureJVpp(), add, id, interfaceIndex, address.getIp(), subnetLength);
}
private void setPrefixLengthSubnet(final boolean add, @Nonnull final InstanceIdentifier<Address> id,
@Nonnull final String interfaceName, final int interfaceIndex,
@Nonnull final Address address, @Nonnull final PrefixLength subnet)
throws WriteFailedException {
LOG.debug("Setting Subnet(prefix-length) for interface: {}(id={}). Subnet: {}, address: {}",
interfaceName, interfaceIndex, subnet, address);
addDelAddress(getFutureJVpp(), add, id, interfaceIndex, address.getIp(),
subnet.getPrefixLength().byteValue());
LOG.debug("Subnet(prefix-length) set successfully for interface: {}(id={}). Subnet: {}, address: {}",
interfaceName, interfaceIndex, subnet, address);
}
}
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