HONEYCOMB-104: add Ipv4 support to sub-interfaces

* updates vpp-vlan.yang with Ipv4 and Ipv6 support
  based on ietf-ip rev. 2014-06-16
* adds Ipv4 support for sub-interfaces

Ipv6 support for interfaces and sub-interfaces will
be addded in the future (HONEYCOMB-102)

Change-Id: I0bf10fe3ff1c543685f651d8b6fb06bbeee3db92
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

1 files changed, 146 insertions, 0 deletions

diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/ip/Ipv4AddressCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/ip/Ipv4AddressCustomizer.java
new file mode 100644
index 000000000..a05bd8f08
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/interfaces/ip/Ipv4AddressCustomizer.java
@@ -0,0 +1,146 @@
+/*
+ * 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 static com.google.common.base.Preconditions.checkNotNull;
+import static io.fd.honeycomb.v3po.translate.v3po.interfaces.ip.Ipv4WriteUtils.addDelAddress;
+import static io.fd.honeycomb.v3po.translate.v3po.interfaces.ip.Ipv4WriteUtils.getSubnetMaskLength;
+
+import com.google.common.base.Optional;
+import io.fd.honeycomb.v3po.translate.spi.write.ListWriterCustomizer;
+import io.fd.honeycomb.v3po.translate.v3po.util.FutureJVppCustomizer;
+import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
+import io.fd.honeycomb.v3po.translate.write.WriteContext;
+import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
+import java.util.List;
+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.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.jvpp.VppBaseCallException;
+import org.openvpp.jvpp.future.FutureJVpp;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Customizer for writing {@link Address}
+ */
+public class Ipv4AddressCustomizer extends FutureJVppCustomizer implements ListWriterCustomizer<Address, AddressKey> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(Ipv4AddressCustomizer.class);
+    private final NamingContext interfaceContext;
+
+    public Ipv4AddressCustomizer(FutureJVpp futureJvpp, NamingContext interfaceContext) {
+        super(futureJvpp);
+        this.interfaceContext = interfaceContext;
+    }
+
+    @Override
+    public void writeCurrentAttributes(InstanceIdentifier<Address> id, Address dataAfter, WriteContext writeContext)
+        throws WriteFailedException {
+        setAddress(true, id, 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 {
+        setAddress(false, id, dataBefore, writeContext);
+    }
+
+    @Override
+    public Optional<List<Address>> extract(InstanceIdentifier<Address> currentId, DataObject parentData) {
+        return Optional.fromNullable((((Ipv4) parentData).getAddress()));
+    }
+
+    private void setAddress(boolean add, final InstanceIdentifier<Address> id, final Address address,
+                            final WriteContext writeContext) throws WriteFailedException {
+
+        final String interfaceName = id.firstKeyOf(Interface.class).getName();
+        final int interfaceIndex = interfaceContext.getIndex(interfaceName, writeContext.getMappingContext());
+
+        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 {
+            // 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(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 {
+        try {
+            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);
+        } catch (VppBaseCallException e) {
+            LOG.warn("Failed to set Subnet(subnet-mask) for interface: {}(id={}). Subnet: {}, address: {}",
+                interfaceName, interfaceIndex, subnet, address);
+            throw new WriteFailedException(id, "Unable to handle subnet of type " + subnet.getClass(), e);
+        }
+    }
+
+    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 {
+        try {
+            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);
+        } catch (VppBaseCallException e) {
+            LOG.warn("Failed to set Subnet(prefix-length) for interface: {}(id={}). Subnet: {}, address: {}",
+                interfaceName, interfaceIndex, subnet, address);
+            throw new WriteFailedException(id, "Unable to handle subnet of type " + subnet.getClass(), e);
+        }
+    }
+}