diff options
Diffstat (limited to 'l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4AddressCustomizer.java')
-rw-r--r-- | l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4AddressCustomizer.java | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4AddressCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4AddressCustomizer.java new file mode 100644 index 000000000..1cdd46ef6 --- /dev/null +++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/Ipv4AddressCustomizer.java @@ -0,0 +1,126 @@ +/* + * 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 static com.google.common.base.Preconditions.checkNotNull; + +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.vpp.jvpp.core.future.FutureJVppCore; +import javax.annotation.Nonnull; +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.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 = checkNotNull(interfaceContext, "Interface context cannot be null"); + } + + @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, writeContext); + } + + @Override + public void updateCurrentAttributes(InstanceIdentifier<Address> id, Address dataBefore, Address dataAfter, + WriteContext writeContext) throws WriteFailedException { + throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, + new UnsupportedOperationException("Operation not supported")); + } + + @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, writeContext); + } + + private void setAddress(boolean add, final InstanceIdentifier<Address> id, final String interfaceName, + final int interfaceIndex, final Address address, + final WriteContext writeContext) throws WriteFailedException { + + Subnet subnet = address.getSubnet(); + + if (subnet instanceof PrefixLength) { + setPrefixLengthSubnet(add, id, interfaceName, interfaceIndex, address, (PrefixLength) subnet); + } else if (subnet instanceof Netmask) { + setNetmaskSubnet(add, id, interfaceName, interfaceIndex, address, (Netmask) subnet); + } else { + LOG.error("Unable to handle subnet of type {}", subnet); + throw new WriteFailedException(id, "Unable to handle subnet of type " + subnet.getClass()); + } + } + + 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(); + checkNotNull(netmask, "netmask value should not be null"); + + 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); + } +} |