HC2VPP-197: translation layert for post routing NAT

Change-Id: Icef6682fbc7a18a1e52953270ad26f6b3b7676eb
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

5 files changed, 160 insertions, 61 deletions

diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ifc/InterfaceInboundNatCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ifc/InterfaceInboundNatCustomizerTest.java
index 859d78fb3..a71461f4a 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ifc/InterfaceInboundNatCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ifc/InterfaceInboundNatCustomizerTest.java
@@ -18,6 +18,10 @@ package io.fd.hc2vpp.nat.read.ifc;
 
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import com.google.common.collect.Lists;
 import io.fd.hc2vpp.common.test.read.ReaderCustomizerTest;
@@ -25,13 +29,13 @@ import io.fd.hc2vpp.common.translate.util.NamingContext;
 import io.fd.honeycomb.translate.impl.read.GenericReader;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
 import io.fd.honeycomb.translate.util.RWUtils;
-import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
-import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor;
 import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetails;
 import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetailsReplyDump;
+import io.fd.vpp.jvpp.snat.dto.SnatInterfaceOutputFeatureDetails;
+import io.fd.vpp.jvpp.snat.dto.SnatInterfaceOutputFeatureDetailsReplyDump;
+import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade;
 import org.junit.Test;
 import org.mockito.Mock;
-import org.mockito.Mockito;
 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.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
@@ -51,8 +55,8 @@ public class InterfaceInboundNatCustomizerTest
     private static final String CTX_NAME = "ifc";
 
     @Mock
-    private EntityDumpExecutor<SnatInterfaceDetailsReplyDump, Void> natExecutor;
-    private DumpCacheManager<SnatInterfaceDetailsReplyDump, Void> dumpMgr;
+    private FutureJVppSnatFacade jvppSnat;
+
     private NamingContext ifcContext = new NamingContext(CTX_NAME, CTX_NAME);
     private InstanceIdentifier<Inbound> id;
 
@@ -72,12 +76,13 @@ public class InterfaceInboundNatCustomizerTest
     protected void setUp() throws Exception {
         id = getId(Inbound.class);
         defineMapping(mappingContext, IFC_NAME, IFC_IDX, CTX_NAME);
-        // empty dump
-        Mockito.doReturn(new SnatInterfaceDetailsReplyDump()).when(natExecutor).executeDump(id, null);
-        dumpMgr = new DumpCacheManager.DumpCacheManagerBuilder<SnatInterfaceDetailsReplyDump, Void>()
-                .withExecutor(natExecutor)
-                .acceptOnly(SnatInterfaceDetailsReplyDump.class)
-                .build();
+        when(jvppSnat.snatInterfaceDump(any())).thenReturn(future(new SnatInterfaceDetailsReplyDump()));
+        when(jvppSnat.snatInterfaceOutputFeatureDump(any()))
+                .thenReturn(future(new SnatInterfaceOutputFeatureDetailsReplyDump()));
+    }
+
+    private GenericReader<Inbound, InboundBuilder> getReader() {
+        return new GenericReader<>(RWUtils.makeIidWildcarded(id), customizer);
     }
 
     @Test
@@ -85,24 +90,43 @@ public class InterfaceInboundNatCustomizerTest
         assertFalse(getReader().read(id, ctx).isPresent());
     }
 
-    private GenericReader<Inbound, InboundBuilder> getReader() {
-        return new GenericReader<>(RWUtils.makeIidWildcarded(id), customizer);
+    private void mockPostRoutingDump() {
+        final SnatInterfaceOutputFeatureDetailsReplyDump details = new SnatInterfaceOutputFeatureDetailsReplyDump();
+        final SnatInterfaceOutputFeatureDetails detail = new SnatInterfaceOutputFeatureDetails();
+        detail.isInside = 1;
+        detail.swIfIndex = IFC_IDX;
+        details.snatInterfaceOutputFeatureDetails = Lists.newArrayList(detail);
+        when(jvppSnat.snatInterfaceOutputFeatureDump(any())).thenReturn(future(details));
     }
 
     @Test
-    public void testPresence() throws Exception {
+    public void testPresencePreRouting() throws Exception {
         final SnatInterfaceDetailsReplyDump details = new SnatInterfaceDetailsReplyDump();
         final SnatInterfaceDetails detail = new SnatInterfaceDetails();
         detail.isInside = 1;
         detail.swIfIndex = IFC_IDX;
         details.snatInterfaceDetails = Lists.newArrayList(detail);
-        Mockito.doReturn(details).when(natExecutor).executeDump(id, null);
+        when(jvppSnat.snatInterfaceDump(any())).thenReturn(future(details));
+
+        assertTrue(getReader().read(id, ctx).isPresent());
+    }
 
+    @Test
+    public void testPresencePostRouting() throws Exception {
+        mockPostRoutingDump();
         assertTrue(getReader().read(id, ctx).isPresent());
     }
 
+    @Test
+    public void testReadPostRouting() throws Exception {
+        mockPostRoutingDump();
+        final InboundBuilder builder = mock(InboundBuilder.class);
+        customizer.readCurrentAttributes(id, builder, ctx);
+        verify(builder).setPostRouting(true);
+    }
+
     @Override
     protected ReaderCustomizer<Inbound, InboundBuilder> initCustomizer() {
-        return new InterfaceInboundNatCustomizer(dumpMgr, ifcContext);
+        return new InterfaceInboundNatCustomizer(jvppSnat, ifcContext);
     }
 }
\ No newline at end of file
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ifc/InterfaceOutboundNatCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ifc/InterfaceOutboundNatCustomizerTest.java
index b19878be8..833a4fa74 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ifc/InterfaceOutboundNatCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ifc/InterfaceOutboundNatCustomizerTest.java
@@ -19,6 +19,10 @@ package io.fd.hc2vpp.nat.read.ifc;
 import static io.fd.hc2vpp.nat.read.ifc.InterfaceInboundNatCustomizerTest.getId;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import com.google.common.collect.Lists;
 import io.fd.hc2vpp.common.test.read.ReaderCustomizerTest;
@@ -26,13 +30,13 @@ import io.fd.hc2vpp.common.translate.util.NamingContext;
 import io.fd.honeycomb.translate.impl.read.GenericReader;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
 import io.fd.honeycomb.translate.util.RWUtils;
-import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
-import io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor;
 import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetails;
 import io.fd.vpp.jvpp.snat.dto.SnatInterfaceDetailsReplyDump;
+import io.fd.vpp.jvpp.snat.dto.SnatInterfaceOutputFeatureDetails;
+import io.fd.vpp.jvpp.snat.dto.SnatInterfaceOutputFeatureDetailsReplyDump;
+import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade;
 import org.junit.Test;
 import org.mockito.Mock;
-import org.mockito.Mockito;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev170801._interface.nat.attributes.NatBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev170801._interface.nat.attributes.nat.Outbound;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev170801._interface.nat.attributes.nat.OutboundBuilder;
@@ -46,8 +50,7 @@ public class InterfaceOutboundNatCustomizerTest
     private static final String CTX_NAME = "ifc";
 
     @Mock
-    private EntityDumpExecutor<SnatInterfaceDetailsReplyDump, Void> abc;
-    private DumpCacheManager<SnatInterfaceDetailsReplyDump, Void> dumpMgr;
+    private FutureJVppSnatFacade jvppSnat;
     private NamingContext ifcContext = new NamingContext(CTX_NAME, CTX_NAME);
     private InstanceIdentifier<Outbound> id;
 
@@ -59,12 +62,13 @@ public class InterfaceOutboundNatCustomizerTest
     protected void setUp() throws Exception {
         id = getId(Outbound.class);
         defineMapping(mappingContext, IFC_NAME, IFC_IDX, CTX_NAME);
-        // empty dump
-        Mockito.doReturn(new SnatInterfaceDetailsReplyDump()).when(abc).executeDump(id, null);
-        dumpMgr = new DumpCacheManager.DumpCacheManagerBuilder<SnatInterfaceDetailsReplyDump, Void>()
-                .withExecutor(abc)
-                .acceptOnly(SnatInterfaceDetailsReplyDump.class)
-                .build();
+        when(jvppSnat.snatInterfaceDump(any())).thenReturn(future(new SnatInterfaceDetailsReplyDump()));
+        when(jvppSnat.snatInterfaceOutputFeatureDump(any()))
+                .thenReturn(future(new SnatInterfaceOutputFeatureDetailsReplyDump()));
+    }
+
+    private GenericReader<Outbound, OutboundBuilder> getReader() {
+        return new GenericReader<>(RWUtils.makeIidWildcarded(id), customizer);
     }
 
     @Test
@@ -72,24 +76,43 @@ public class InterfaceOutboundNatCustomizerTest
         assertFalse(getReader().read(id, ctx).isPresent());
     }
 
-    private GenericReader<Outbound, OutboundBuilder> getReader() {
-        return new GenericReader<>(RWUtils.makeIidWildcarded(id), customizer);
+    private void mockPostRoutingDump() {
+        final SnatInterfaceOutputFeatureDetailsReplyDump details = new SnatInterfaceOutputFeatureDetailsReplyDump();
+        final SnatInterfaceOutputFeatureDetails detail = new SnatInterfaceOutputFeatureDetails();
+        detail.isInside = 0;
+        detail.swIfIndex = IFC_IDX;
+        details.snatInterfaceOutputFeatureDetails = Lists.newArrayList(detail);
+        when(jvppSnat.snatInterfaceOutputFeatureDump(any())).thenReturn(future(details));
     }
 
     @Test
-    public void testPresence() throws Exception {
+    public void testPresencePreRouting() throws Exception {
         final SnatInterfaceDetailsReplyDump details = new SnatInterfaceDetailsReplyDump();
         final SnatInterfaceDetails detail = new SnatInterfaceDetails();
         detail.isInside = 0;
         detail.swIfIndex = IFC_IDX;
         details.snatInterfaceDetails = Lists.newArrayList(detail);
-        Mockito.doReturn(details).when(abc).executeDump(id, null);
+        when(jvppSnat.snatInterfaceDump(any())).thenReturn(future(details));
 
         assertTrue(getReader().read(id, ctx).isPresent());
     }
 
+    @Test
+    public void testPresencePostRouting() throws Exception {
+        mockPostRoutingDump();
+        assertTrue(getReader().read(id, ctx).isPresent());
+    }
+
+    @Test
+    public void testReadPostRouting() throws Exception {
+        mockPostRoutingDump();
+        final OutboundBuilder builder = mock(OutboundBuilder.class);
+        customizer.readCurrentAttributes(id, builder, ctx);
+        verify(builder).setPostRouting(true);
+    }
+
     @Override
     protected ReaderCustomizer<Outbound, OutboundBuilder> initCustomizer() {
-        return new InterfaceOutboundNatCustomizer(dumpMgr, ifcContext);
+        return new InterfaceOutboundNatCustomizer(jvppSnat, ifcContext);
     }
 }
\ No newline at end of file
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/AbstractNatCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/AbstractNatCustomizerTest.java
index c4886a43f..273d376cd 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/AbstractNatCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/AbstractNatCustomizerTest.java
@@ -26,15 +26,18 @@ import io.fd.hc2vpp.common.translate.util.NamingContext;
 import io.fd.honeycomb.translate.write.WriteFailedException;
 import io.fd.vpp.jvpp.snat.dto.SnatInterfaceAddDelFeature;
 import io.fd.vpp.jvpp.snat.dto.SnatInterfaceAddDelFeatureReply;
+import io.fd.vpp.jvpp.snat.dto.SnatInterfaceAddDelOutputFeature;
+import io.fd.vpp.jvpp.snat.dto.SnatInterfaceAddDelOutputFeatureReply;
 import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade;
 import org.junit.Test;
 import org.mockito.Mock;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev170801.InterfaceNatVppFeatureAttributes;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev170801._interface.nat.attributes.nat.Inbound;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-abstract class AbstractNatCustomizerTest<D extends DataObject, T extends AbstractInterfaceNatCustomizer<D>>
-    extends WriterCustomizerTest implements ByteDataTranslator {
+abstract class AbstractNatCustomizerTest<D extends InterfaceNatVppFeatureAttributes & DataObject, T extends AbstractInterfaceNatCustomizer<D>>
+        extends WriterCustomizerTest implements ByteDataTranslator {
 
     private static final String IFC_CTX_NAME = "ifc-test-instance";
     private static final String IFACE_NAME = "eth0";
@@ -48,40 +51,75 @@ abstract class AbstractNatCustomizerTest<D extends DataObject, T extends Abstrac
     @Override
     public void setUpTest() {
         customizer = getCustomizer(snatApi, ifcNamingCtx);
+        defineMapping(mappingContext, IFACE_NAME, IFACE_ID, IFC_CTX_NAME);
+        when(snatApi.snatInterfaceAddDelFeature(any())).thenReturn(future(new SnatInterfaceAddDelFeatureReply()));
+        when(snatApi.snatInterfaceAddDelOutputFeature(any()))
+                .thenReturn(future(new SnatInterfaceAddDelOutputFeatureReply()));
     }
 
     @Test
-    public void testWrite() throws Exception {
-        defineMapping(mappingContext, IFACE_NAME, IFACE_ID, IFC_CTX_NAME);
-        when(snatApi.snatInterfaceAddDelFeature(any())).thenReturn(future(new SnatInterfaceAddDelFeatureReply()));
-        final D data = getData();
+    public void testWritePreRouting() throws Exception {
+        final D data = getPreRoutingConfig();
+        customizer.writeCurrentAttributes(getIId(IFACE_NAME), data, writeContext);
+        verify(snatApi).snatInterfaceAddDelFeature(expectedPreRoutingRequest(data, true));
+    }
+
+    @Test
+    public void testWritePostRouting() throws Exception {
+        final D data = getPostRoutingConfig();
         customizer.writeCurrentAttributes(getIId(IFACE_NAME), data, writeContext);
-        verify(snatApi).snatInterfaceAddDelFeature(expectedRequest(data, true));
+        verify(snatApi).snatInterfaceAddDelOutputFeature(expectedPostRoutingRequest(data, true));
+    }
+
+    @Test(expected = WriteFailedException.UpdateFailedException.class)
+    public void testUpdatePreRouting() throws Exception {
+        customizer.updateCurrentAttributes(getIId(IFACE_NAME), getPreRoutingConfig(), getPreRoutingConfig(),
+                writeContext);
     }
 
     @Test(expected = WriteFailedException.UpdateFailedException.class)
-    public void testUpdate() throws Exception {
-        customizer.updateCurrentAttributes(getIId(IFACE_NAME), getData(), getData(), writeContext);
+    public void testUpdatePostRouting() throws Exception {
+        customizer.updateCurrentAttributes(getIId(IFACE_NAME), getPostRoutingConfig(), getPostRoutingConfig(),
+                writeContext);
     }
 
     @Test
-    public void testDelete() throws Exception {
-        defineMapping(mappingContext, IFACE_NAME, IFACE_ID, IFC_CTX_NAME);
-        when(snatApi.snatInterfaceAddDelFeature(any())).thenReturn(future(new SnatInterfaceAddDelFeatureReply()));
-        final D data = getData();
+    public void testDeletePreRouting() throws Exception {
+        final D data = getPreRoutingConfig();
+        customizer.deleteCurrentAttributes(getIId(IFACE_NAME), data, writeContext);
+        verify(snatApi).snatInterfaceAddDelFeature(expectedPreRoutingRequest(data, false));
+    }
+
+    @Test
+    public void testDeletePostRouting() throws Exception {
+        final D data = getPostRoutingConfig();
         customizer.deleteCurrentAttributes(getIId(IFACE_NAME), data, writeContext);
-        verify(snatApi).snatInterfaceAddDelFeature(expectedRequest(data, false));
+        verify(snatApi).snatInterfaceAddDelOutputFeature(expectedPostRoutingRequest(data, false));
     }
 
-    private SnatInterfaceAddDelFeature expectedRequest(final D data, boolean isAdd) {
+    private SnatInterfaceAddDelFeature expectedPreRoutingRequest(final D data, boolean isAdd) {
         SnatInterfaceAddDelFeature request = new SnatInterfaceAddDelFeature();
-        request.isInside = (byte) ((data instanceof Inbound) ? 1 : 0);
+        request.isInside = (byte) ((data instanceof Inbound)
+                ? 1
+                : 0);
         request.swIfIndex = IFACE_ID;
         request.isAdd = booleanToByte(isAdd);
         return request;
     }
 
-    protected abstract D getData();
+    private SnatInterfaceAddDelOutputFeature expectedPostRoutingRequest(final D data, boolean isAdd) {
+        SnatInterfaceAddDelOutputFeature request = new SnatInterfaceAddDelOutputFeature();
+        request.isInside = (byte) ((data instanceof Inbound)
+                ? 1
+                : 0);
+        request.swIfIndex = IFACE_ID;
+        request.isAdd = booleanToByte(isAdd);
+        return request;
+    }
+
+    protected abstract D getPreRoutingConfig();
+
+    protected abstract D getPostRoutingConfig();
 
     protected abstract InstanceIdentifier<D> getIId(final String ifaceName);
 
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/InterfaceInboundNatCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/InterfaceInboundNatCustomizerTest.java
index 8c16b1c98..17efc4095 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/InterfaceInboundNatCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/InterfaceInboundNatCustomizerTest.java
@@ -27,22 +27,29 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interfa
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev170801._interface.nat.attributes.nat.InboundBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-public class InterfaceInboundNatCustomizerTest extends AbstractNatCustomizerTest<Inbound, InterfaceInboundNatCustomizer> {
+public class InterfaceInboundNatCustomizerTest
+        extends AbstractNatCustomizerTest<Inbound, InterfaceInboundNatCustomizer> {
 
     @Override
-    protected Inbound getData() {
-        return new InboundBuilder().build();
+    protected Inbound getPreRoutingConfig() {
+        return new InboundBuilder().setPostRouting(false).build();
+    }
+
+    @Override
+    protected Inbound getPostRoutingConfig() {
+        return new InboundBuilder().setPostRouting(true).build();
     }
 
     @Override
     protected InstanceIdentifier<Inbound> getIId(final String ifaceName) {
         return InstanceIdentifier.create(Interfaces.class)
-            .child(Interface.class, new InterfaceKey(ifaceName)).augmentation(NatInterfaceAugmentation.class)
-            .child(Nat.class).child(Inbound.class);
+                .child(Interface.class, new InterfaceKey(ifaceName)).augmentation(NatInterfaceAugmentation.class)
+                .child(Nat.class).child(Inbound.class);
     }
 
     @Override
-    protected InterfaceInboundNatCustomizer getCustomizer(final FutureJVppSnatFacade snatApi, final NamingContext ifcNamingCtx) {
+    protected InterfaceInboundNatCustomizer getCustomizer(final FutureJVppSnatFacade snatApi,
+                                                          final NamingContext ifcNamingCtx) {
         return new InterfaceInboundNatCustomizer(snatApi, ifcNamingCtx);
     }
 }
\ No newline at end of file
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/InterfaceOutboundNatCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/InterfaceOutboundNatCustomizerTest.java
index 1daa0530a..fcc9d376a 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/InterfaceOutboundNatCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ifc/InterfaceOutboundNatCustomizerTest.java
@@ -27,22 +27,29 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interfa
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev170801._interface.nat.attributes.nat.OutboundBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-public class InterfaceOutboundNatCustomizerTest extends AbstractNatCustomizerTest<Outbound, InterfaceOutboundNatCustomizer> {
+public class InterfaceOutboundNatCustomizerTest
+        extends AbstractNatCustomizerTest<Outbound, InterfaceOutboundNatCustomizer> {
 
     @Override
-    protected Outbound getData() {
-        return new OutboundBuilder().build();
+    protected Outbound getPreRoutingConfig() {
+        return new OutboundBuilder().setPostRouting(false).build();
+    }
+
+    @Override
+    protected Outbound getPostRoutingConfig() {
+        return new OutboundBuilder().setPostRouting(true).build();
     }
 
     @Override
     protected InstanceIdentifier<Outbound> getIId(final String ifaceName) {
         return InstanceIdentifier.create(Interfaces.class)
-            .child(Interface.class, new InterfaceKey(ifaceName)).augmentation(NatInterfaceAugmentation.class)
-            .child(Nat.class).child(Outbound.class);
+                .child(Interface.class, new InterfaceKey(ifaceName)).augmentation(NatInterfaceAugmentation.class)
+                .child(Nat.class).child(Outbound.class);
     }
 
     @Override
-    protected InterfaceOutboundNatCustomizer getCustomizer(final FutureJVppSnatFacade snatApi, final NamingContext ifcNamingCtx) {
+    protected InterfaceOutboundNatCustomizer getCustomizer(final FutureJVppSnatFacade snatApi,
+                                                           final NamingContext ifcNamingCtx) {
         return new InterfaceOutboundNatCustomizer(snatApi, ifcNamingCtx);
     }
 }
\ No newline at end of file