HC2VPP-7 - L3 split to separate module

ipv4/ipv6/proxy arp/nd proxy

Change-Id: I536298dd5584f79f357e94da08d402e67e79bb71
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>

2 files changed, 230 insertions, 0 deletions

diff --git a/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/subinterface/SubInterfaceIpv4AddressCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/subinterface/SubInterfaceIpv4AddressCustomizer.java
new file mode 100644
index 000000000..bd76fb792
--- /dev/null
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/subinterface/SubInterfaceIpv4AddressCustomizer.java
@@ -0,0 +1,132 @@
+/*
+ * 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.l3.write.ipv4.subinterface;
+
+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.hc2vpp.v3po.util.SubInterfaceUtils;
+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.interfaces.rev140508.interfaces.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DottedQuad;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.Address;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.AddressKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.address.Subnet;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.address.subnet.Netmask;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.address.subnet.PrefixLength;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Write customizer for sub-interface {@link Address}
+ */
+public class SubInterfaceIpv4AddressCustomizer extends FutureJVppCustomizer
+        implements ListWriterCustomizer<Address, AddressKey>, IpWriter {
+
+    private static final Logger LOG = LoggerFactory.getLogger(SubInterfaceIpv4AddressCustomizer.class);
+    private final NamingContext interfaceContext;
+
+    public SubInterfaceIpv4AddressCustomizer(@Nonnull final FutureJVppCore futureJVppCore,
+                                             @Nonnull final NamingContext interfaceContext) {
+        super(futureJVppCore);
+        this.interfaceContext = checkNotNull(interfaceContext, "interface context should not be null");
+    }
+
+    @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);
+    }
+
+    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 String subInterfaceName = getSubInterfaceName(id);
+        final int subInterfaceIndex = interfaceContext.getIndex(subInterfaceName, writeContext.getMappingContext());
+
+        Subnet subnet = address.getSubnet();
+
+        if (subnet instanceof PrefixLength) {
+            setPrefixLengthSubnet(add, id, interfaceName, subInterfaceIndex, address, (PrefixLength) subnet);
+        } else if (subnet instanceof Netmask) {
+            setNetmaskSubnet(add, id, interfaceName, subInterfaceIndex, 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 String getSubInterfaceName(@Nonnull final InstanceIdentifier<Address> id) {
+        final InterfaceKey parentInterfacekey = id.firstKeyOf(Interface.class);
+        final SubInterfaceKey subInterfacekey = id.firstKeyOf(SubInterface.class);
+        return SubInterfaceUtils
+                .getSubInterfaceName(parentInterfacekey.getName(), subInterfacekey.getIdentifier().intValue());
+    }
+
+    private void setNetmaskSubnet(final boolean add, @Nonnull final InstanceIdentifier<Address> id,
+                                  @Nonnull final String subInterfaceName, final int subInterfaceIndex,
+                                  @Nonnull final Address address, @Nonnull final Netmask subnet)
+            throws WriteFailedException {
+
+        LOG.debug("Setting Subnet(subnet-mask) for sub-interface: {}(id={}). Subnet: {}, address: {}",
+                subInterfaceName, subInterfaceIndex, 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, subInterfaceIndex, address.getIp(), subnetLength);
+    }
+
+    private void setPrefixLengthSubnet(final boolean add, @Nonnull final InstanceIdentifier<Address> id,
+                                       @Nonnull final String subInterfaceName, final int subInterfaceIndex,
+                                       @Nonnull final Address address, @Nonnull final PrefixLength subnet)
+            throws WriteFailedException {
+        LOG.debug("Setting Subnet(prefix-length) for sub-interface: {}(id={}). Subnet: {}, address: {}",
+                subInterfaceName, subInterfaceIndex, subnet, address);
+
+        addDelAddress(getFutureJVpp(), add, id, subInterfaceIndex, address.getIp(),
+                subnet.getPrefixLength().byteValue());
+
+        LOG.debug("Subnet(prefix-length) set successfully for sub-interface: {}(id={}). Subnet: {}, address: {}",
+                subInterfaceName, subInterfaceIndex, subnet, address);
+    }
+}
diff --git a/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java
new file mode 100644
index 000000000..9564cfd19
--- /dev/null
+++ b/l3/impl/src/main/java/io/fd/hc2vpp/l3/write/ipv4/subinterface/SubInterfaceIpv4NeighbourCustomizer.java
@@ -0,0 +1,98 @@
+/*
+ * 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.subinterface;
+
+import io.fd.hc2vpp.common.translate.util.AddressTranslator;
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+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.dto.IpNeighborAddDel;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.Neighbor;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.NeighborKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class SubInterfaceIpv4NeighbourCustomizer extends FutureJVppCustomizer
+        implements ListWriterCustomizer<Neighbor, NeighborKey>, ByteDataTranslator, AddressTranslator, IpWriter,
+        JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(SubInterfaceIpv4NeighbourCustomizer.class);
+    private final NamingContext interfaceContext;
+
+    public SubInterfaceIpv4NeighbourCustomizer(final FutureJVppCore futureJVppCore,
+                                               final NamingContext interfaceContext) {
+        super(futureJVppCore);
+        this.interfaceContext = interfaceContext;
+    }
+
+    @Override
+    public void writeCurrentAttributes(@Nonnull InstanceIdentifier<Neighbor> id, @Nonnull Neighbor data,
+                                       @Nonnull WriteContext writeContext)
+            throws WriteFailedException {
+
+        LOG.debug("Processing request for Neighbour {} write", id);
+
+        addDelNeighbour(id, () -> {
+            IpNeighborAddDel request = preBindIpv4Request(true);
+
+            request.dstAddress = ipv4AddressNoZoneToArray(data.getIp());
+            request.macAddress = parseMac(data.getLinkLayerAddress().getValue());
+            request.swIfIndex = subInterfaceIndex(id, interfaceContext, writeContext.getMappingContext());
+            // we don't have support for sub-interface routing, so not setting vrf
+
+            return request;
+        }, getFutureJVpp());
+        LOG.debug("Neighbour {} successfully written", id);
+    }
+
+    @Override
+    public void updateCurrentAttributes(@Nonnull InstanceIdentifier<Neighbor> id, @Nonnull Neighbor dataBefore,
+                                        @Nonnull Neighbor dataAfter,
+                                        @Nonnull WriteContext writeContext) throws WriteFailedException {
+        throw new UnsupportedOperationException("Operation not supported");
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull InstanceIdentifier<Neighbor> id, @Nonnull Neighbor data,
+                                        @Nonnull WriteContext writeContext)
+            throws WriteFailedException {
+
+        LOG.debug("Processing request for Neighbour {} delete", id);
+
+        addDelNeighbour(id, () -> {
+            IpNeighborAddDel request = preBindIpv4Request(false);
+
+            request.dstAddress = ipv4AddressNoZoneToArray(data.getIp());
+            request.macAddress = parseMac(data.getLinkLayerAddress().getValue());
+            request.swIfIndex = subInterfaceIndex(id, interfaceContext, writeContext.getMappingContext());
+
+            //TODO HONEYCOMB-182 if it is necessary for future use ,make adjustments to be able to set vrfid
+            //request.vrfId
+            return request;
+        }, getFutureJVpp());
+        LOG.debug("Neighbour {} successfully deleted", id);
+    }
+
+}