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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.read.ipv4;
import com.google.common.base.Preconditions;
import io.fd.hc2vpp.common.translate.util.NamingContext;
import io.fd.hc2vpp.l3.utils.ip.read.IfaceDumpFilter;
import io.fd.hc2vpp.l3.utils.ip.read.IpAddressReader;
import io.fd.hc2vpp.v3po.read.InterfaceCustomizer;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.spi.read.Initialized;
import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
import io.fd.honeycomb.translate.util.RWUtils;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager.DumpCacheManagerBuilder;
import io.fd.jvpp.core.dto.IpAddressDetails;
import io.fd.jvpp.core.dto.IpAddressDetailsReplyDump;
import io.fd.jvpp.core.future.FutureJVppCore;
import java.util.List;
import java.util.Optional;
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.rev180222.Interface1;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.Ipv4;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.Ipv4Builder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.Address;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.AddressBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.AddressKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.address.Subnet;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.address.subnet.PrefixLengthBuilder;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Read customizer for interface Ipv4 addresses.
*/
public class Ipv4AddressCustomizer extends IpAddressReader
implements InitializingListReaderCustomizer<Address, AddressKey, AddressBuilder> {
private static final Logger LOG = LoggerFactory.getLogger(Ipv4AddressCustomizer.class);
public Ipv4AddressCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
@Nonnull final NamingContext interfaceContext) {
super(interfaceContext, false, new DumpCacheManagerBuilder<IpAddressDetailsReplyDump, IfaceDumpFilter>()
.withExecutor(createAddressDumpExecutor(futureJVppCore))
// Key needs to contain interface ID to distinguish dumps between interfaces
.withCacheKeyFactory(interfaceScopedCacheKeyFactory(IpAddressDetailsReplyDump.class))
.build());
}
@Override
@Nonnull
public AddressBuilder getBuilder(@Nonnull InstanceIdentifier<Address> id) {
return new AddressBuilder();
}
@Override
public void readCurrentAttributes(@Nonnull InstanceIdentifier<Address> id, @Nonnull AddressBuilder builder,
@Nonnull ReadContext ctx) throws ReadFailedException {
LOG.debug("Reading attributes for interface address: {}", id);
final Optional<IpAddressDetailsReplyDump> dumpOptional = interfaceAddressDumpSupplier(id, ctx);
if (!dumpOptional.isPresent() || dumpOptional.get().ipAddressDetails.isEmpty()) {
return;
}
final Optional<IpAddressDetails> ipAddressDetails = findIpv4AddressDetailsByIp(dumpOptional, id.firstKeyOf(Address.class).getIp());
if (ipAddressDetails.isPresent()) {
final IpAddressDetails detail = ipAddressDetails.get();
builder.setIp(arrayToIpv4AddressNoZone(detail.ip))
.setSubnet(new PrefixLengthBuilder().setPrefixLength(Short.valueOf(detail.prefixLength)).build());
if (LOG.isDebugEnabled()) {
final String interfaceName = id.firstKeyOf(Interface.class).getName();
final int interfaceIndex = getInterfaceContext().getIndex(interfaceName, ctx.getMappingContext());
LOG.debug("Attributes for {} interface (id={}) address {} successfully read: {}",
interfaceName, interfaceIndex, id, builder.build());
}
}
}
@Override
public List<AddressKey> getAllIds(@Nonnull InstanceIdentifier<Address> id, @Nonnull ReadContext ctx)
throws ReadFailedException {
LOG.debug("Reading list of keys for interface addresses: {}", id);
return getAllIpv4AddressIds(interfaceAddressDumpSupplier(id, ctx), AddressKey::new);
}
@Override
public void merge(@Nonnull Builder<? extends DataObject> builder, @Nonnull List<Address> readData) {
((Ipv4Builder) builder).setAddress(readData);
}
@Override
public Initialized<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.Address> init(
@Nonnull final InstanceIdentifier<Address> id, @Nonnull final Address readValue,
@Nonnull final ReadContext ctx) {
return Initialized.create(getCfgId(id),
new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.AddressBuilder()
.setIp(readValue.getIp())
.setSubnet(getSubnet(readValue))
.build());
}
private static Subnet getSubnet(final Address address) {
final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.address.Subnet
subnet = address.getSubnet();
// Only prefix length supported
Preconditions.checkArgument(
subnet instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.address.subnet.PrefixLength);
return new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.address.subnet.PrefixLengthBuilder()
.setPrefixLength(
((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.address.subnet.PrefixLength) subnet)
.getPrefixLength()).build();
}
static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.Address> getCfgId(
final InstanceIdentifier<Address> id) {
return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
.augmentation(Interface1.class)
.child(Ipv4.class)
.child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.Address.class,
new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev180222.interfaces._interface.ipv4.AddressKey(
id.firstKeyOf(Address.class).getIp()));
}
}
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