HC2VPP-174: add support for BGP IPv4/IPv6 unicast

Tranlates BGP IPv4/IPv6 routes to VPP FIB.

Not supported:
 - multiple paths (https://tools.ietf.org/html/rfc7911)
 - IPv6 SR

Change-Id: I06f0e81dd44df6a2eb7a3fe95445041e8f4f7af9
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

9 files changed, 682 insertions, 0 deletions

diff --git a/bgp/inet/asciidoc/Readme.adoc b/bgp/inet/asciidoc/Readme.adoc
new file mode 100644
index 000000000..57e432485
--- /dev/null
+++ b/bgp/inet/asciidoc/Readme.adoc
@@ -0,0 +1,3 @@
+= inet
+
+Provides mapping code between IPv4/IPv6 BGP routes and VPP core APIs.
\ No newline at end of file
diff --git a/bgp/inet/pom.xml b/bgp/inet/pom.xml
new file mode 100644
index 000000000..a570d098b
--- /dev/null
+++ b/bgp/inet/pom.xml
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>io.fd.hc2vpp.common</groupId>
+        <artifactId>vpp-impl-parent</artifactId>
+        <version>1.17.07-SNAPSHOT</version>
+        <relativePath>../../vpp-common/vpp-impl-parent</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>io.fd.hc2vpp.bgp</groupId>
+    <artifactId>bgp-inet</artifactId>
+    <name>${project.artifactId}</name>
+    <version>1.17.07-SNAPSHOT</version>
+
+    <dependencies>
+        <!-- Honeycomb infrastructure -->
+        <dependency>
+            <groupId>io.fd.honeycomb</groupId>
+            <artifactId>bgp-translate-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <!-- BGP api -->
+        <dependency>
+            <groupId>org.opendaylight.bgpcep</groupId>
+            <artifactId>bgp-inet</artifactId>
+            <version>${bgpcep.version}</version>
+        </dependency>
+        <!-- Translation -->
+        <dependency>
+            <groupId>io.fd.hc2vpp.common</groupId>
+            <artifactId>vpp-translate-utils</artifactId>
+        </dependency>
+        <!-- DI -->
+        <dependency>
+            <groupId>com.google.inject</groupId>
+            <artifactId>guice</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.google.inject.extensions</groupId>
+            <artifactId>guice-multibindings</artifactId>
+        </dependency>
+
+        <!-- test dependencies -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.fd.hc2vpp.common</groupId>
+            <artifactId>vpp-translate-test</artifactId>
+            <version>${project.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/BgpInetModule.java b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/BgpInetModule.java
new file mode 100644
index 000000000..58f2e84d8
--- /dev/null
+++ b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/BgpInetModule.java
@@ -0,0 +1,43 @@
+/*
+ * 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.bgp.inet;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.multibindings.Multibinder;
+import io.fd.honeycomb.translate.bgp.RouteWriterFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * BgpInetModule class instantiating BGP IPv4 and IPv6 route writers.
+ */
+public final class BgpInetModule extends AbstractModule {
+
+    private static final Logger LOG = LoggerFactory.getLogger(BgpInetModule.class);
+
+    @Override
+    protected void configure() {
+        LOG.info("Installing BGP inet module");
+
+        LOG.info("Injecting route writers");
+        final Multibinder<RouteWriterFactory> writerFactoryBinder =
+            Multibinder.newSetBinder(binder(), RouteWriterFactory.class);
+        writerFactoryBinder.addBinding().to(InetRouteWriterFactory.class);
+
+        LOG.info("BgpInetModule successfully configured");
+    }
+}
diff --git a/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/InetRouteWriterFactory.java b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/InetRouteWriterFactory.java
new file mode 100644
index 000000000..821d4364d
--- /dev/null
+++ b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/InetRouteWriterFactory.java
@@ -0,0 +1,34 @@
+/*
+ * 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.bgp.inet;
+
+import com.google.inject.Inject;
+import io.fd.honeycomb.translate.bgp.RibWriter;
+import io.fd.honeycomb.translate.bgp.RouteWriterFactory;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import javax.annotation.Nonnull;
+
+final class InetRouteWriterFactory implements RouteWriterFactory {
+    @Inject
+    private FutureJVppCore vppApi;
+
+    @Override
+    public void init(@Nonnull final RibWriter registry) {
+        registry.register(new Ipv4Writer(vppApi));
+        registry.register(new Ipv6Writer(vppApi));
+    }
+}
diff --git a/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv4Writer.java b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv4Writer.java
new file mode 100644
index 000000000..ef1853ce8
--- /dev/null
+++ b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv4Writer.java
@@ -0,0 +1,111 @@
+/*
+ * 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.bgp.inet;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.sun.istack.internal.Nullable;
+import io.fd.hc2vpp.common.translate.util.Ipv4Translator;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.honeycomb.translate.bgp.RouteWriter;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
+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.inet.types.rev130715.Ipv4Address;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.Ipv4Routes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.BgpRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.Rib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCase;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+final class Ipv4Writer implements RouteWriter<Ipv4Route>, Ipv4Translator, JvppReplyConsumer, RouteRequestProducer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(Ipv4Writer.class);
+
+    @SuppressWarnings("unchecked")
+    private static final InstanceIdentifier<Ipv4Route> ID = InstanceIdentifier.create(BgpRib.class).child(Rib.class)
+        .child(LocRib.class).child(Tables.class).child((Class) Ipv4Routes.class)
+        .child(Ipv4Route.class);
+
+    private final FutureJVppCore vppApi;
+
+    Ipv4Writer(@Nonnull final FutureJVppCore vppApi) {
+        this.vppApi = checkNotNull(vppApi, "vppApi should not be null");
+    }
+
+    @Override
+    public void create(@Nonnull final InstanceIdentifier<Ipv4Route> id,
+                       @Nullable final Ipv4Route route)
+        throws WriteFailedException.CreateFailedException {
+        final IpAddDelRoute request = request(route, true);
+        LOG.debug("Translating id={}, route={} to {}", id, route, request);
+        getReplyForCreate(vppApi.ipAddDelRoute(request).toCompletableFuture(), id, route);
+        LOG.debug("VPP FIB updated successfully (added id={}).", id);
+    }
+
+    @Override
+    public void delete(@Nonnull final InstanceIdentifier<Ipv4Route> id,
+                       @Nullable final Ipv4Route route)
+        throws WriteFailedException.DeleteFailedException {
+        LOG.debug("Removing id={}, route={}", id, route);
+        getReplyForDelete(vppApi.ipAddDelRoute(request(route, false)).toCompletableFuture(), id);
+        LOG.debug("VPP FIB updated successfully (removed id={}).", id);
+    }
+
+    @Override
+    public void update(@Nonnull final InstanceIdentifier<Ipv4Route> id,
+                       @Nullable final Ipv4Route routeBefore,
+                       @Nullable final Ipv4Route routeAfter)
+        throws WriteFailedException.UpdateFailedException {
+        throw new WriteFailedException.UpdateFailedException(id, routeBefore, routeAfter,
+            new UnsupportedOperationException("Operation not supported"));
+    }
+
+    private IpAddDelRoute request(final Ipv4Route route, boolean isAdd) {
+        // TODO(HC2VPP-177): add support for request.nextHopWeight for multiple path case
+
+        final CNextHop cNextHop = route.getAttributes().getCNextHop();
+        checkArgument(cNextHop instanceof Ipv4NextHopCase, "only ipv4 next hop is supported, but was %s (route = %s)",
+            cNextHop, route);
+
+        final IpAddDelRoute request = ipAddDelRoute(isAdd);
+
+        final Ipv4Address nextHop = ((Ipv4NextHopCase) cNextHop).getIpv4NextHop().getGlobal();
+        request.nextHopAddress = ipv4AddressNoZoneToArray(nextHop.getValue());
+
+        final Ipv4Prefix destinationAddress = route.getPrefix();
+        request.dstAddress = ipv4AddressPrefixToArray(destinationAddress);
+        request.dstAddressLength = extractPrefix(destinationAddress);
+
+        return request;
+    }
+
+    @Nonnull
+    @Override
+    public InstanceIdentifier<Ipv4Route> getManagedDataObjectType() {
+        return ID;
+    }
+}
diff --git a/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv6Writer.java b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv6Writer.java
new file mode 100644
index 000000000..0e7e31de4
--- /dev/null
+++ b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/Ipv6Writer.java
@@ -0,0 +1,115 @@
+/*
+ * 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.bgp.inet;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.sun.istack.internal.Nullable;
+import io.fd.hc2vpp.common.translate.util.Ipv6Translator;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.honeycomb.translate.bgp.RouteWriter;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
+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.inet.types.rev130715.Ipv6Address;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.Ipv6Routes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.ipv6.routes.Ipv6Route;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.BgpRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.Rib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCase;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+final class Ipv6Writer implements RouteWriter<Ipv6Route>, Ipv6Translator, JvppReplyConsumer, RouteRequestProducer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(Ipv6Writer.class);
+
+    @SuppressWarnings("unchecked")
+    private static final  InstanceIdentifier<Ipv6Route> ID = InstanceIdentifier.create(BgpRib.class).child(Rib.class)
+        .child(LocRib.class).child(Tables.class).child((Class) Ipv6Routes.class)
+        .child(Ipv6Route.class);
+
+    private final FutureJVppCore vppApi;
+
+    Ipv6Writer(@Nonnull final FutureJVppCore vppApi) {
+        this.vppApi = checkNotNull(vppApi, "vppApi should not be null");
+    }
+
+    @Override
+    public void create(@Nonnull final InstanceIdentifier<Ipv6Route> id,
+                       @Nullable final Ipv6Route route)
+        throws WriteFailedException.CreateFailedException {
+        final IpAddDelRoute request = request(route, true);
+        LOG.debug("Translating id={}, route={} to {}", id, route, request);
+        getReplyForCreate(vppApi.ipAddDelRoute(request).toCompletableFuture(), id, route);
+        LOG.debug("VPP FIB updated successfully (added id={}).", id);
+    }
+
+    @Override
+    public void delete(@Nonnull final InstanceIdentifier<Ipv6Route> id,
+                       @Nullable final Ipv6Route route)
+        throws WriteFailedException.DeleteFailedException {
+        LOG.debug("Removing id={}, route={}", id, route);
+        getReplyForDelete(vppApi.ipAddDelRoute(request(route, false)).toCompletableFuture(), id);
+        LOG.debug("VPP FIB updated successfully (removed id={}).", id);
+    }
+
+    @Override
+    public void update(@Nonnull final InstanceIdentifier<Ipv6Route> id,
+                       @Nullable final Ipv6Route routeBefore,
+                       @Nullable final Ipv6Route routeAfter)
+        throws WriteFailedException.UpdateFailedException {
+        throw new WriteFailedException.UpdateFailedException(id, routeBefore, routeAfter,
+            new UnsupportedOperationException("Operation not supported"));
+    }
+
+    private IpAddDelRoute request(final Ipv6Route dataAfter, boolean isAdd) {
+        // TODO(HC2VPP-178): support of bgp-prefix-sid SR for IPv6
+        // dataAfter.getAttributes().getBgpPrefixSid()
+
+        // TODO(HC2VPP-177): add support for request.nextHopWeight for multiple path case
+
+        final CNextHop cNextHop = dataAfter.getAttributes().getCNextHop();
+        checkArgument(cNextHop instanceof Ipv6NextHopCase, "only ipv6 next hop is supported, but was %s (route = %s)",
+            cNextHop, dataAfter);
+
+        final IpAddDelRoute request = ipAddDelRoute(isAdd);
+        request.isIpv6 = 1;
+
+        final Ipv6Address nextHop = ((Ipv6NextHopCase) cNextHop).getIpv6NextHop().getGlobal();
+        request.nextHopAddress = ipv6AddressNoZoneToArray(nextHop);
+
+        final Ipv6Prefix destinationAddress = dataAfter.getPrefix();
+        request.dstAddress = ipv6AddressPrefixToArray(destinationAddress);
+        request.dstAddressLength = extractPrefix(destinationAddress);
+
+        return request;
+    }
+
+    @Nonnull
+    @Override
+    public InstanceIdentifier<Ipv6Route> getManagedDataObjectType() {
+        return ID;
+    }
+}
diff --git a/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/RouteRequestProducer.java b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/RouteRequestProducer.java
new file mode 100644
index 000000000..2684ba5ec
--- /dev/null
+++ b/bgp/inet/src/main/java/io/fd/hc2vpp/bgp/inet/RouteRequestProducer.java
@@ -0,0 +1,33 @@
+/*
+ * 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.bgp.inet;
+
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
+
+interface RouteRequestProducer extends ByteDataTranslator {
+    int MPLS_LABEL_INVALID = 0x100000;
+
+    default IpAddDelRoute ipAddDelRoute(boolean isAdd) {
+        final IpAddDelRoute request = new IpAddDelRoute();
+        request.isAdd = booleanToByte(isAdd);
+        // we create recursive route and expect hc2vpp user to add route for next hop with interface specified
+        request.nextHopSwIfIndex = -1;
+        request.nextHopViaLabel = MPLS_LABEL_INVALID;
+        return request;
+    }
+}
diff --git a/bgp/inet/src/test/java/io/fd/hc2vpp/bgp/inet/Ipv4WriterTest.java b/bgp/inet/src/test/java/io/fd/hc2vpp/bgp/inet/Ipv4WriterTest.java
new file mode 100644
index 000000000..0adfb480f
--- /dev/null
+++ b/bgp/inet/src/test/java/io/fd/hc2vpp/bgp/inet/Ipv4WriterTest.java
@@ -0,0 +1,137 @@
+/*
+ * 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.bgp.inet;
+
+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 static org.mockito.MockitoAnnotations.initMocks;
+import static io.fd.hc2vpp.bgp.inet.RouteRequestProducer.MPLS_LABEL_INVALID;
+
+import io.fd.hc2vpp.common.test.util.FutureProducer;
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
+import io.fd.vpp.jvpp.core.dto.IpAddDelRouteReply;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.Ipv4Routes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4RouteBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4RouteKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.BgpRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.RibId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.Rib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.RibKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class Ipv4WriterTest implements FutureProducer, ByteDataTranslator {
+    private static final InstanceIdentifier<Tables> TABLE_ID = InstanceIdentifier.create(BgpRib.class)
+        .child(Rib.class, new RibKey(new RibId("test-rib"))).child(LocRib.class)
+        .child(Tables.class, new TablesKey(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class));
+
+    @Mock
+    private FutureJVppCore vppApi;
+    private Ipv4Writer writer;
+
+    @Before
+    public void setUp() {
+        initMocks(this);
+        writer = new Ipv4Writer(vppApi);
+        when(vppApi.ipAddDelRoute(any())).thenReturn(future(new IpAddDelRouteReply()));
+    }
+
+    @SuppressWarnings("unchecked")
+    private static InstanceIdentifier<Ipv4Route> id(final Ipv4Prefix destination, final PathId pathId) {
+        return TABLE_ID.child((Class) Ipv4Routes.class)
+            .child(Ipv4Route.class, new Ipv4RouteKey(pathId, destination));
+    }
+
+    private static Ipv4Route route(final Ipv4Prefix destination, final PathId pathId,
+                                   final Ipv4Address nextHopAddress) {
+        final Ipv4NextHopCase nextHop =
+            new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(nextHopAddress).build())
+                .build();
+        return new Ipv4RouteBuilder()
+            .setPrefix(destination)
+            .setPathId(pathId)
+            .setAttributes(new AttributesBuilder().setCNextHop(nextHop).build())
+            .build();
+    }
+
+    @Test
+    public void testCreate() throws WriteFailedException.CreateFailedException {
+        final Ipv4Prefix destination = new Ipv4Prefix("1.2.3.4/24");
+        final PathId pathId = new PathId(123L);
+        final Ipv4Address nextHopAddress = new Ipv4AddressNoZone("5.6.7.8");
+
+        writer.create(
+            id(destination, pathId),
+            route(destination, pathId, nextHopAddress)
+        );
+        verifyRequest(true);
+    }
+
+    @Test
+    public void testDelete() throws WriteFailedException.DeleteFailedException {
+        final Ipv4Prefix destination = new Ipv4Prefix("1.2.3.4/24");
+        final PathId pathId = new PathId(456L);
+        final Ipv4Address nextHopAddress = new Ipv4AddressNoZone("5.6.7.8");
+
+        writer.delete(
+            id(destination, pathId),
+            route(destination, pathId, nextHopAddress)
+        );
+        verifyRequest(false);
+    }
+
+    @Test(expected = WriteFailedException.UpdateFailedException.class)
+    public void testUpdate() throws WriteFailedException.UpdateFailedException {
+        final Ipv4Prefix destination = new Ipv4Prefix("10.1.0.1/28");
+        final PathId pathId = new PathId(456L);
+
+        // update is not supported
+        writer.update(id(destination, pathId), mock(Ipv4Route.class), mock(Ipv4Route.class));
+    }
+
+    private void verifyRequest(boolean isAdd) {
+        final IpAddDelRoute request = new IpAddDelRoute();
+        request.isAdd = booleanToByte(isAdd);
+        request.nextHopSwIfIndex = -1;
+        request.nextHopViaLabel = MPLS_LABEL_INVALID;
+        request.nextHopAddress = new byte[] {5, 6, 7, 8};
+        request.dstAddress = new byte[] {1, 2, 3, 4};
+        request.dstAddressLength = 24;
+        verify(vppApi).ipAddDelRoute(request);
+    }
+}
diff --git a/bgp/inet/src/test/java/io/fd/hc2vpp/bgp/inet/Ipv6WriterTest.java b/bgp/inet/src/test/java/io/fd/hc2vpp/bgp/inet/Ipv6WriterTest.java
new file mode 100644
index 000000000..fa9554698
--- /dev/null
+++ b/bgp/inet/src/test/java/io/fd/hc2vpp/bgp/inet/Ipv6WriterTest.java
@@ -0,0 +1,142 @@
+/*
+ * 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.bgp.inet;
+
+import static io.fd.hc2vpp.bgp.inet.RouteRequestProducer.MPLS_LABEL_INVALID;
+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 static org.mockito.MockitoAnnotations.initMocks;
+
+import io.fd.hc2vpp.common.test.util.FutureProducer;
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
+import io.fd.vpp.jvpp.core.dto.IpAddDelRouteReply;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.Ipv6Routes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.ipv6.routes.Ipv6Route;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.ipv6.routes.Ipv6RouteBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.ipv6.routes.Ipv6RouteKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.BgpRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.RibId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.Rib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.RibKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv6NextHopCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.ipv6.next.hop._case.Ipv6NextHopBuilder;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class Ipv6WriterTest implements FutureProducer, ByteDataTranslator {
+    private static final InstanceIdentifier<Tables> TABLE_ID = InstanceIdentifier.create(BgpRib.class)
+        .child(Rib.class, new RibKey(new RibId("test-rib"))).child(LocRib.class)
+        .child(Tables.class, new TablesKey(Ipv6AddressFamily.class, UnicastSubsequentAddressFamily.class));
+
+    @Mock
+    private FutureJVppCore vppApi;
+    private Ipv6Writer writer;
+
+    @Before
+    public void setUp() {
+        initMocks(this);
+        writer = new Ipv6Writer(vppApi);
+        when(vppApi.ipAddDelRoute(any())).thenReturn(future(new IpAddDelRouteReply()));
+    }
+
+    @SuppressWarnings("unchecked")
+    private static InstanceIdentifier<Ipv6Route> id(final Ipv6Prefix destination, final PathId pathId) {
+        return TABLE_ID.child((Class) Ipv6Routes.class)
+            .child(Ipv6Route.class, new Ipv6RouteKey(pathId, destination));
+    }
+
+    private static Ipv6Route route(final Ipv6Prefix destination, final PathId pathId,
+                                   final Ipv6Address nextHopAddress) {
+        final Ipv6NextHopCase nextHop =
+            new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setGlobal(nextHopAddress).build())
+                .build();
+        return new Ipv6RouteBuilder()
+            .setPrefix(destination)
+            .setPathId(pathId)
+            .setAttributes(new AttributesBuilder().setCNextHop(nextHop).build())
+            .build();
+    }
+
+    @Test
+    public void testCreate() throws WriteFailedException.CreateFailedException {
+        final Ipv6Prefix destination = new Ipv6Prefix("2001:db8:a0b:12f0:0:0:0:1/64");
+        final PathId pathId = new PathId(123L);
+        final Ipv6Address nextHopAddress = new Ipv6AddressNoZone("2001:db8:a0b:12f0:0:0:0:2");
+
+        writer.create(
+            id(destination, pathId),
+            route(destination, pathId, nextHopAddress)
+        );
+        verifyRequest(true);
+    }
+
+    @Test
+    public void testDelete() throws WriteFailedException.DeleteFailedException {
+        final Ipv6Prefix destination = new Ipv6Prefix("2001:db8:a0b:12f0:0:0:0:1/64");
+        final PathId pathId = new PathId(456L);
+        final Ipv6Address nextHopAddress = new Ipv6AddressNoZone("2001:db8:a0b:12f0:0:0:0:2");
+
+        writer.delete(
+            id(destination, pathId),
+            route(destination, pathId, nextHopAddress)
+        );
+        verifyRequest(false);
+    }
+
+    @Test(expected = WriteFailedException.UpdateFailedException.class)
+    public void testUpdate() throws WriteFailedException.UpdateFailedException {
+        final Ipv6Prefix destination = new Ipv6Prefix("2001:db8:a0b:12f0:0:0:0:1/64");
+        final PathId pathId = new PathId(456L);
+
+        // update is not supported
+        writer.update(id(destination, pathId), mock(Ipv6Route.class), mock(Ipv6Route.class));
+    }
+
+    private void verifyRequest(boolean isAdd) {
+        final IpAddDelRoute request = new IpAddDelRoute();
+        request.isAdd = booleanToByte(isAdd);
+        request.isIpv6 = 1;
+        request.nextHopSwIfIndex = -1;
+        request.nextHopViaLabel = MPLS_LABEL_INVALID;
+        request.nextHopAddress = new byte[] {
+            0x20, 0x01, 0x0d, (byte) 0xb8, 0x0a, 0x0b, 0x12, (byte) 0xf0,
+            0, 0, 0, 0, 0, 0, 0, 2};
+        request.dstAddress = new byte[] {
+            0x20, 0x01, 0x0d, (byte) 0xb8, 0x0a, 0x0b, 0x12, (byte) 0xf0,
+            0, 0, 0, 0, 0, 0, 0, 1};
+        request.dstAddressLength = 64;
+        verify(vppApi).ipAddDelRoute(request);
+    }
+}