HONEYCOMB-229 Introduce NAT to HC

Reflects SNAT from VPP:
- 1:1 Static IPv4 mapping
- interface in/out NAT feature management

Bonus:
- Support presence containers in infra

Change-Id: Ieb38526f83edbae5e605d5c7e39bb22bbafc50e5
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/IfcNatReaderFactory.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/IfcNatReaderFactory.java
new file mode 100644
index 000000000..293a3dfd9
--- /dev/null
+++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/read/ifc/IfcNatReaderFactory.java
@@ -0,0 +1,55 @@
+/*
+ * 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.nat.read.ifc;
+
+
+import io.fd.honeycomb.translate.impl.read.GenericReader;
+import io.fd.honeycomb.translate.read.ReaderFactory;
+import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214.NatInterfaceStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214.NatInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.Nat;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.NatBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Inbound;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev161214._interface.nat.attributes.nat.Outbound;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Factory producing readers for nat plugin's data.
+ */
+public final class IfcNatReaderFactory implements ReaderFactory {
+
+    private static final InstanceIdentifier<Interface>
+            IFC_ID = InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
+    private static final InstanceIdentifier<NatInterfaceStateAugmentation> NAT_AUG_ID =
+            IFC_ID.augmentation(NatInterfaceStateAugmentation.class);
+    private static final InstanceIdentifier<Nat> NAT_AUG_CONTAINER_ID = NAT_AUG_ID.child(Nat.class);
+
+    @Override
+    public void init(@Nonnull final ModifiableReaderRegistryBuilder registry) {
+        registry.addStructuralReader(NAT_AUG_ID, NatInterfaceStateAugmentationBuilder.class);
+        registry.addStructuralReader(NAT_AUG_CONTAINER_ID, NatBuilder.class);
+
+        registry.addAfter(
+                new GenericReader<>(NAT_AUG_CONTAINER_ID.child(Inbound.class), new InterfaceInboundNatCustomizer()), IFC_ID);
+        registry.addAfter(
+                new GenericReader<>(NAT_AUG_CONTAINER_ID.child(Outbound.class), new InterfaceOutboundNatCustomizer()), IFC_ID);
+    }
+}