1 files changed, 151 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/Ipv4AddressCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/Ipv4AddressCustomizer.java
new file mode 100644
index 000000000..6a6bb6c35
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+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/ip/Ipv4AddressCustomizer.java
@@ -0,0 +1,151 @@
+/*
+ * 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.hc2vpp.v3po.interfaces.ip;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.base.Optional;
+import io.fd.hc2vpp.v3po.interfaces.ip.subnet.validation.SubnetValidationException;
+import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
+import io.fd.hc2vpp.v3po.interfaces.ip.subnet.validation.SubnetValidator;
+import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+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;
+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>, Ipv4Writer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(Ipv4AddressCustomizer.class);
+    private final NamingContext interfaceContext;
+    private final SubnetValidator subnetValidator;
+
+    Ipv4AddressCustomizer(@Nonnull final FutureJVppCore futureJVppCore, @Nonnull final NamingContext interfaceContext,
+                          @Nonnull final SubnetValidator subnetValidator) {
+        super(futureJVppCore);
+        this.interfaceContext = checkNotNull(interfaceContext, "Interface context cannot be null");
+        this.subnetValidator = checkNotNull(subnetValidator, "Subnet validator cannot be null");
+    }
+
+    public Ipv4AddressCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
+                                 @Nonnull final NamingContext interfaceContext) {
+        this(futureJVppCore, interfaceContext, new SubnetValidator());
+    }
+
+    @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());
+
+        // checks whether address is not from same subnet of some address already defined on this interface
+        try {
+
+            final InstanceIdentifier<Ipv4> parentId = RWUtils.cutId(id, InstanceIdentifier.create(Ipv4.class));
+            final Optional<Ipv4> ipv4Optional = writeContext.readAfter(parentId);
+
+            //no need to check isPresent() - we are inside of address customizer, therefore there must be Address data
+            //that is being processed by infrastructure
+
+            subnetValidator.checkNotAddingToSameSubnet(ipv4Optional.get().getAddress());
+        } catch (SubnetValidationException e) {
+            throw new WriteFailedException(id, e);
+        }
+
+        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.getClass());
+            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);
+    }
+}