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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.v3po.translate.v3po.interfaces.ip;
import com.google.common.base.Optional;
import io.fd.honeycomb.v3po.translate.spi.write.ChildWriterCustomizer;
import io.fd.honeycomb.v3po.translate.v3po.util.FutureJVppCustomizer;
import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
import io.fd.honeycomb.v3po.translate.v3po.util.TranslateUtils;
import io.fd.honeycomb.v3po.translate.write.WriteContext;
import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4;
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.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.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.VppBaseCallException;
import org.openvpp.jvpp.dto.SwInterfaceAddDelAddress;
import org.openvpp.jvpp.dto.SwInterfaceAddDelAddressReply;
import org.openvpp.jvpp.future.FutureJVpp;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.Nonnull;
import java.util.concurrent.CompletionStage;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
public class Ipv4Customizer extends FutureJVppCustomizer implements ChildWriterCustomizer<Ipv4> {
private static final Logger LOG = LoggerFactory.getLogger(Ipv4Customizer.class);
private final NamingContext interfaceContext;
public Ipv4Customizer(final FutureJVpp vppApi, final NamingContext interfaceContext) {
super(vppApi);
this.interfaceContext = interfaceContext;
}
// TODO replace guava's Optionals with Java8
@Nonnull
@Override
public Optional<Ipv4> extract(@Nonnull final InstanceIdentifier<Ipv4> currentId,
@Nonnull final DataObject parentData) {
return Optional.fromNullable(((Interface1) parentData).getIpv4());
}
@Override
public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Ipv4> id,
@Nonnull final Ipv4 dataAfter, @Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String ifcName = id.firstKeyOf(Interface.class).getName();
setIpv4(id, ifcName, dataAfter, writeContext);
}
@Override
public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Ipv4> id,
@Nonnull final Ipv4 dataBefore, @Nonnull final Ipv4 dataAfter,
@Nonnull final WriteContext writeContext)
throws WriteFailedException {
final String ifcName = id.firstKeyOf(Interface.class).getName();
// TODO handle update in a better way
setIpv4(id, ifcName, dataAfter, writeContext);
}
@Override
public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Ipv4> id,
@Nonnull final Ipv4 dataBefore, @Nonnull final WriteContext writeContext) {
// TODO implement delete
}
private void setIpv4(final InstanceIdentifier<Ipv4> id, final String name, final Ipv4 ipv4,
final WriteContext writeContext)
throws WriteFailedException {
final int swIfc = interfaceContext.getIndex(name, writeContext.getMappingContext());
for (Address ipv4Addr : ipv4.getAddress()) {
Subnet subnet = ipv4Addr.getSubnet();
if (subnet instanceof PrefixLength) {
setPrefixLengthSubnet(id, name, swIfc, ipv4Addr, (PrefixLength) subnet);
} else if (subnet instanceof Netmask) {
setNetmaskSubnet();
} else {
// FIXME how does choice extensibility work
// FIXME it is not even possible to create a dedicated customizer for Interconnection, since it's not a DataObject
// FIXME we might need a choice customizer
// THis choice is already from augment, so its probably not possible to augment augmented choice
LOG.error("Unable to handle subnet of type {}", subnet.getClass());
throw new WriteFailedException(id, "Unable to handle subnet of type " + subnet.getClass());
}
}
}
private void setNetmaskSubnet() {
// FIXME
throw new UnsupportedOperationException("Unimplemented");
}
private void setPrefixLengthSubnet(final InstanceIdentifier<Ipv4> id, final String name, final int swIfc,
final Address ipv4Addr, final PrefixLength subnet)
throws WriteFailedException {
try {
Short plen = subnet.getPrefixLength();
LOG.debug("Setting Subnet(prefix-length) for interface: {}, {}. Subnet: {}, Ipv4: {}", name, swIfc, subnet,
ipv4Addr);
byte[] addr = TranslateUtils.ipv4AddressNoZoneToArray(ipv4Addr.getIp());
checkArgument(plen > 0, "Invalid length");
checkNotNull(addr, "Null address");
final CompletionStage<SwInterfaceAddDelAddressReply> swInterfaceAddDelAddressReplyCompletionStage =
getFutureJVpp().swInterfaceAddDelAddress(getSwInterfaceAddDelAddressRequest(
swIfc, (byte) 1 /* isAdd */, (byte) 0 /* isIpv6 */, (byte) 0 /* delAll */, plen.byteValue(), addr));
final SwInterfaceAddDelAddressReply reply =
TranslateUtils.getReply(swInterfaceAddDelAddressReplyCompletionStage.toCompletableFuture());
LOG.debug("Subnet(prefix-length) set successfully for interface: {}, {}, Subnet: {}, Ipv4: {}", name,
swIfc, subnet, ipv4Addr);
} catch (VppBaseCallException e) {
LOG.warn("Failed to set Subnet(prefix-length) for interface: {}, {}, Subnet: {}, Ipv4: {}", name, swIfc,
subnet, ipv4Addr);
throw new WriteFailedException(id, "Unable to handle subnet of type " + subnet.getClass(), e);
}
}
private SwInterfaceAddDelAddress getSwInterfaceAddDelAddressRequest(final int swIfc, final byte isAdd, final byte ipv6,
final byte deleteAll,
final byte length, final byte[] addr) {
final SwInterfaceAddDelAddress swInterfaceAddDelAddress = new SwInterfaceAddDelAddress();
swInterfaceAddDelAddress.swIfIndex = swIfc;
swInterfaceAddDelAddress.isAdd = isAdd;
swInterfaceAddDelAddress.isIpv6 = ipv6;
swInterfaceAddDelAddress.delAll = deleteAll;
swInterfaceAddDelAddress.address = addr;
swInterfaceAddDelAddress.addressLength = length;
return swInterfaceAddDelAddress;
}
}
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