[ONOS-6169] Implement codec for segment and SrcDst ext addresses

Change-Id: Id928a3bb2dd914f8411cc6353bb41c5f05fb54a4

drivers/lisp/src/main/java/org/onosproject/drivers/lisp/extensions/LispMappingExtensionCodecRegistrator.java

@@ -28,6 +28,8 @@ import org.onosproject.drivers.lisp.extensions.codec.LispListAddressCodec;
 import org.onosproject.drivers.lisp.extensions.codec.LispMulticastAddressCodec;
 import org.onosproject.drivers.lisp.extensions.codec.LispNatAddressCodec;
 import org.onosproject.drivers.lisp.extensions.codec.LispNonceAddressCodec;
+import org.onosproject.drivers.lisp.extensions.codec.LispSegmentAddressCodec;
+import org.onosproject.drivers.lisp.extensions.codec.LispSrcDstAddressCodec;
 import org.onosproject.mapping.web.MappingCodecRegistrator;
 import org.slf4j.Logger;
 
@@ -60,6 +62,8 @@ public class LispMappingExtensionCodecRegistrator extends MappingCodecRegistrato
         codecService.registerCodec(LispMulticastAddress.class, new LispMulticastAddressCodec());
         codecService.registerCodec(LispNatAddress.class, new LispNatAddressCodec());
         codecService.registerCodec(LispNonceAddress.class, new LispNonceAddressCodec());
+        codecService.registerCodec(LispSegmentAddress.class, new LispSegmentAddressCodec());
+        codecService.registerCodec(LispSrcDstAddress.class, new LispSrcDstAddressCodec());
 
         log.info("Started");
     }
@@ -73,6 +77,8 @@ public class LispMappingExtensionCodecRegistrator extends MappingCodecRegistrato
         codecService.unregisterCodec(LispMulticastAddress.class);
         codecService.unregisterCodec(LispNatAddress.class);
         codecService.unregisterCodec(LispNonceAddress.class);
+        codecService.unregisterCodec(LispSegmentAddress.class);
+        codecService.unregisterCodec(LispSrcDstAddress.class);
 
         registrator.deactivate();
         registrator = null;

drivers/lisp/src/main/java/org/onosproject/drivers/lisp/extensions/codec/LispSegmentAddressCodec.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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 org.onosproject.drivers.lisp.extensions.codec;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.drivers.lisp.extensions.LispSegmentAddress;
+import org.onosproject.mapping.addresses.MappingAddress;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onlab.util.Tools.nullIsIllegal;
+
+/**
+ * LISP segment address codec.
+ */
+public final class LispSegmentAddressCodec extends JsonCodec<LispSegmentAddress> {
+
+    protected static final String INSTANCE_ID = "instanceId";
+    protected static final String ADDRESS = "address";
+
+    private static final String MISSING_MEMBER_MESSAGE =
+                                " member is required in LispSegmentAddress";
+
+    @Override
+    public ObjectNode encode(LispSegmentAddress address, CodecContext context) {
+        checkNotNull(address, "LispSegmentAddress cannot be null");
+
+        final ObjectNode result = context.mapper().createObjectNode()
+                .put(INSTANCE_ID, address.getInstanceId());
+
+        if (address.getAddress() != null) {
+            final JsonCodec<MappingAddress> addressCodec =
+                    context.codec(MappingAddress.class);
+            ObjectNode addressNode = addressCodec.encode(address.getAddress(), context);
+            result.set(ADDRESS, addressNode);
+        }
+
+        return result;
+    }
+
+    @Override
+    public LispSegmentAddress decode(ObjectNode json, CodecContext context) {
+        if (json == null || !json.isObject()) {
+            return null;
+        }
+
+        int instanceId = nullIsIllegal(json.get(INSTANCE_ID),
+                INSTANCE_ID + MISSING_MEMBER_MESSAGE).asInt();
+
+        ObjectNode addressJson = get(json, ADDRESS);
+        MappingAddress mappingAddress = null;
+
+        if (addressJson != null) {
+            final JsonCodec<MappingAddress> addressCodec =
+                    context.codec(MappingAddress.class);
+            mappingAddress = addressCodec.decode(addressJson, context);
+        }
+
+        return new LispSegmentAddress.Builder()
+                                .withInstanceId(instanceId)
+                                .withAddress(mappingAddress)
+                                .build();
+    }
+}

drivers/lisp/src/main/java/org/onosproject/drivers/lisp/extensions/codec/LispSrcDstAddressCodec.java

@@ -0,0 +1,99 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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 org.onosproject.drivers.lisp.extensions.codec;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.drivers.lisp.extensions.LispSrcDstAddress;
+import org.onosproject.mapping.addresses.MappingAddress;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onlab.util.Tools.nullIsIllegal;
+
+/**
+ * LISP source destination address codec.
+ */
+public final class LispSrcDstAddressCodec extends JsonCodec<LispSrcDstAddress> {
+
+    protected static final String SRC_MASK_LENGTH = "srcMaskLength";
+    protected static final String DST_MASK_LENGTH = "dstMaskLength";
+    protected static final String SRC_PREFIX = "srcPrefix";
+    protected static final String DST_PREFIX = "dstPrefix";
+
+    private static final String MISSING_MEMBER_MESSAGE =
+                                " member is required in LispSrcDstAddress";
+
+    @Override
+    public ObjectNode encode(LispSrcDstAddress address, CodecContext context) {
+        checkNotNull(address, "LispSrcDstAddress cannot be null");
+
+        final JsonCodec<MappingAddress> addressCodec =
+                context.codec(MappingAddress.class);
+
+        final ObjectNode result = context.mapper().createObjectNode()
+                .put(SRC_MASK_LENGTH, address.getSrcMaskLength())
+                .put(DST_MASK_LENGTH, address.getDstMaskLength());
+
+        if (address.getSrcPrefix() != null) {
+            ObjectNode srcPrefix = addressCodec.encode(address.getSrcPrefix(), context);
+            result.set(SRC_PREFIX, srcPrefix);
+        }
+
+        if (address.getDstPrefix() != null) {
+            ObjectNode dstPrefix = addressCodec.encode(address.getDstPrefix(), context);
+            result.set(DST_PREFIX, dstPrefix);
+        }
+
+        return result;
+    }
+
+    @Override
+    public LispSrcDstAddress decode(ObjectNode json, CodecContext context) {
+        if (json == null || !json.isObject()) {
+            return null;
+        }
+
+        byte srcMaskLength = (byte) nullIsIllegal(json.get(SRC_MASK_LENGTH),
+                SRC_MASK_LENGTH + MISSING_MEMBER_MESSAGE).asInt();
+        byte dstMaskLength = (byte) nullIsIllegal(json.get(DST_MASK_LENGTH),
+                DST_MASK_LENGTH + MISSING_MEMBER_MESSAGE).asInt();
+
+        final JsonCodec<MappingAddress> addressCodec =
+                context.codec(MappingAddress.class);
+
+        ObjectNode srcPrefixJson = get(json, SRC_PREFIX);
+        MappingAddress srcPrefix = null;
+
+        ObjectNode dstPrefixJson = get(json, DST_PREFIX);
+        MappingAddress dstPrefix = null;
+
+        if (srcPrefixJson != null) {
+            srcPrefix = addressCodec.decode(srcPrefixJson, context);
+        }
+
+        if (dstPrefixJson != null) {
+            dstPrefix = addressCodec.decode(dstPrefixJson, context);
+        }
+
+        return new LispSrcDstAddress.Builder()
+                            .withSrcMaskLength(srcMaskLength)
+                            .withDstMaskLength(dstMaskLength)
+                            .withSrcPrefix(srcPrefix)
+                            .withDstPrefix(dstPrefix)
+                            .build();
+    }
+}

drivers/lisp/src/test/java/org/onosproject/drivers/lisp/extensions/codec/LispSegmentAddressCodecTest.java

@@ -0,0 +1,170 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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 org.onosproject.drivers.lisp.extensions.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeDiagnosingMatcher;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.drivers.lisp.extensions.LispMappingExtensionCodecRegistrator;
+import org.onosproject.drivers.lisp.extensions.LispSegmentAddress;
+import org.onosproject.mapping.addresses.MappingAddresses;
+import org.onosproject.mapping.web.codec.MappingAddressJsonMatcher;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+
+/**
+ * Unit tests for LispSegmentAddressCodec.
+ */
+public class LispSegmentAddressCodecTest {
+
+    private static final int INSTANCE_ID = 1;
+    private static final IpPrefix IPV4_PREFIX = IpPrefix.valueOf("10.1.1.0/24");
+
+    private CodecContext context;
+    private JsonCodec<LispSegmentAddress> segmentAddressCodec;
+    private LispMappingExtensionCodecRegistrator registrator;
+
+    /**
+     * Sets up for each test.
+     * Creates a context and fetches the LispSegmentAddress codec.
+     */
+    @Before
+    public void setUp() {
+        CodecManager manager = new CodecManager();
+        registrator = new LispMappingExtensionCodecRegistrator();
+        registrator.codecService = manager;
+        registrator.activate();
+
+        context = new LispMappingExtensionCodecContextAdapter(registrator.codecService);
+        segmentAddressCodec = context.codec(LispSegmentAddress.class);
+        assertThat("segment address codec should not be null",
+                segmentAddressCodec, notNullValue());
+    }
+
+    /**
+     * Deactivates the codec registrator.
+     */
+    @After
+    public void tearDown() {
+        registrator.deactivate();
+    }
+
+    /**
+     * Tests encoding of a LispSegmentAddress object.
+     */
+    @Test
+    public void testLispSegmentAddressEncode() {
+        LispSegmentAddress address = new LispSegmentAddress.Builder()
+                .withInstanceId(INSTANCE_ID)
+                .withAddress(MappingAddresses.ipv4MappingAddress(IPV4_PREFIX))
+                .build();
+        ObjectNode addressJson = segmentAddressCodec.encode(address, context);
+        assertThat("errors in encoding segment address JSON",
+                addressJson, LispSegmentAddressJsonMatcher.matchesSegmentAddress(address));
+    }
+
+    /**
+     * Tests decoding of a LispSegmentAddress JSON object.
+     */
+    @Test
+    public void testLispSegmentAddressDecode() throws IOException {
+        LispSegmentAddress address = getLispSegmentAddress("LispSegmentAddress.json");
+
+        assertThat("incorrect instance ID", address.getInstanceId(), is(INSTANCE_ID));
+        assertThat("incorrect mapping address", address.getAddress(),
+                is(MappingAddresses.ipv4MappingAddress(IPV4_PREFIX)));
+    }
+
+    /**
+     * Hamcrest matcher for LispSegmentAddress.
+     */
+    public static final class LispSegmentAddressJsonMatcher
+            extends TypeSafeDiagnosingMatcher<JsonNode> {
+
+        private final LispSegmentAddress address;
+
+        /**
+         * Default constructor.
+         *
+         * @param address LispSegmentAddress object
+         */
+        private LispSegmentAddressJsonMatcher(LispSegmentAddress address) {
+            this.address = address;
+        }
+
+        @Override
+        protected boolean matchesSafely(JsonNode jsonNode, Description description) {
+
+            // check instance ID
+            int jsonInstanceId = jsonNode.get(LispSegmentAddressCodec.INSTANCE_ID).asInt();
+            int instanceId = address.getInstanceId();
+            if (jsonInstanceId != instanceId) {
+                description.appendText("Instance ID was " + jsonInstanceId);
+                return false;
+            }
+
+            // check address
+            MappingAddressJsonMatcher addressMatcher =
+                    MappingAddressJsonMatcher.matchesMappingAddress(address.getAddress());
+
+            return addressMatcher.matches(jsonNode.get(LispSegmentAddressCodec.ADDRESS));
+        }
+
+        @Override
+        public void describeTo(Description description) {
+            description.appendText(address.toString());
+        }
+
+        /**
+         * Factory to allocate a LispSegmentAddress matcher.
+         *
+         * @param address LispSegmentAddress object we are looking for
+         * @return matcher
+         */
+        public static LispSegmentAddressJsonMatcher matchesSegmentAddress(LispSegmentAddress address) {
+            return new LispSegmentAddressJsonMatcher(address);
+        }
+    }
+
+    /**
+     * Reads in a LispSegmentAddress from the given resource and decodes it.
+     *
+     * @param resourceName resource to use to read the JSON for the rule
+     * @return decoded LispSegmentAddress
+     * @throws IOException if processing the resource fails
+     */
+    private LispSegmentAddress getLispSegmentAddress(String resourceName) throws IOException {
+        InputStream jsonStream = LispSegmentAddressCodecTest.class.getResourceAsStream(resourceName);
+        JsonNode json = context.mapper().readTree(jsonStream);
+        assertThat("JSON string should not be null", json, notNullValue());
+        LispSegmentAddress segmentAddress = segmentAddressCodec.decode((ObjectNode) json, context);
+        assertThat("decoded address should not be null", segmentAddress, notNullValue());
+        return segmentAddress;
+    }
+}

drivers/lisp/src/test/java/org/onosproject/drivers/lisp/extensions/codec/LispSrcDstAddressCodecTest.java

@@ -0,0 +1,190 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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 org.onosproject.drivers.lisp.extensions.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeDiagnosingMatcher;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.drivers.lisp.extensions.LispMappingExtensionCodecRegistrator;
+import org.onosproject.drivers.lisp.extensions.LispSrcDstAddress;
+import org.onosproject.mapping.addresses.MappingAddresses;
+import org.onosproject.mapping.web.codec.MappingAddressJsonMatcher;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+
+/**
+ * Unit tests for LispSrcDstAddressCodec.
+ */
+public class LispSrcDstAddressCodecTest {
+
+    private static final byte SRC_MASK_LENGTH = (byte) 1;
+    private static final byte DST_MASK_LENGTH = (byte) 2;
+    private static final IpPrefix IPV4_SRC_PREFIX = IpPrefix.valueOf("10.1.1.1/24");
+    private static final IpPrefix IPV4_DST_PREFIX = IpPrefix.valueOf("10.1.1.2/24");
+
+    private CodecContext context;
+    private JsonCodec<LispSrcDstAddress> srcDstAddressCodec;
+    private LispMappingExtensionCodecRegistrator registrator;
+
+    /**
+     * Sets up for each test.
+     * Creates a context and fetches the LispSrcDstAddress codec.
+     */
+    @Before
+    public void setUp() {
+        CodecManager manager = new CodecManager();
+        registrator = new LispMappingExtensionCodecRegistrator();
+        registrator.codecService = manager;
+        registrator.activate();
+
+        context = new LispMappingExtensionCodecContextAdapter(registrator.codecService);
+        srcDstAddressCodec = context.codec(LispSrcDstAddress.class);
+        assertThat("Source and Destination address codec should not be null",
+                srcDstAddressCodec, notNullValue());
+    }
+
+    /**
+     * Deactivates the codec registrator.
+     */
+    @After
+    public void tearDown() {
+        registrator.deactivate();
+    }
+
+    /**
+     * Tests encoding of a LispSrcDstAddress object.
+     */
+    @Test
+    public void testLispSrcDstAddressEncode() {
+        LispSrcDstAddress address = new LispSrcDstAddress.Builder()
+                .withSrcMaskLength(SRC_MASK_LENGTH)
+                .withDstMaskLength(DST_MASK_LENGTH)
+                .withSrcPrefix(MappingAddresses.ipv4MappingAddress(IPV4_SRC_PREFIX))
+                .withDstPrefix(MappingAddresses.ipv4MappingAddress(IPV4_DST_PREFIX))
+                .build();
+        ObjectNode addressJson = srcDstAddressCodec.encode(address, context);
+        assertThat("errors in encoding Source and Destination address JSON",
+                addressJson, LispSrcDstAddressJsonMatcher.matchesSrcDstAddress(address));
+    }
+
+    /**
+     * Tests decoding of a LispSrcDstAddress JSON object.
+     */
+    @Test
+    public void testLispSrcDstAddressDecode() throws IOException {
+        LispSrcDstAddress address = getLispSrcDstAddress("LispSrcDstAddress.json");
+
+        assertThat("incorrect srcMaskLength", address.getSrcMaskLength(), is(SRC_MASK_LENGTH));
+        assertThat("incorrect dstMaskLength", address.getDstMaskLength(), is(DST_MASK_LENGTH));
+        assertThat("incorrect srcPrefix", address.getSrcPrefix(),
+                is(MappingAddresses.ipv4MappingAddress(IPV4_SRC_PREFIX)));
+        assertThat("incorrect dstPrefix", address.getDstPrefix(),
+                is(MappingAddresses.ipv4MappingAddress(IPV4_DST_PREFIX)));
+    }
+
+    /**
+     * Hamcrest matcher for LispSrcDstAddress.
+     */
+    public static final class LispSrcDstAddressJsonMatcher
+            extends TypeSafeDiagnosingMatcher<JsonNode> {
+
+        private final LispSrcDstAddress address;
+
+        /**
+         * Default constructor.
+         *
+         * @param address LispSrcDstAddress object
+         */
+        private LispSrcDstAddressJsonMatcher(LispSrcDstAddress address) {
+            this.address = address;
+        }
+
+        @Override
+        protected boolean matchesSafely(JsonNode jsonNode, Description description) {
+
+            // check src mask length
+            byte jsonSrcMaskLength = (byte) jsonNode.get(LispSrcDstAddressCodec.SRC_MASK_LENGTH).asInt();
+            byte srcMaskLength = address.getSrcMaskLength();
+            if (jsonSrcMaskLength != srcMaskLength) {
+                description.appendText("Source mask length was " + jsonSrcMaskLength);
+                return false;
+            }
+
+            // check dst mask length
+            byte jsonDstMaskLength = (byte) jsonNode.get(LispSrcDstAddressCodec.DST_MASK_LENGTH).asInt();
+            byte dstMaskLength = address.getDstMaskLength();
+            if (jsonDstMaskLength != dstMaskLength) {
+                description.appendText("Destination mask length was " + jsonDstMaskLength);
+                return false;
+            }
+
+            // src prefix
+            MappingAddressJsonMatcher srcPrefixMatcher =
+                    MappingAddressJsonMatcher.matchesMappingAddress(address.getSrcPrefix());
+
+            // dst prefix
+            MappingAddressJsonMatcher dstPrefixMatcher =
+                    MappingAddressJsonMatcher.matchesMappingAddress(address.getDstPrefix());
+
+            return srcPrefixMatcher.matches(jsonNode.get(LispSrcDstAddressCodec.SRC_PREFIX)) ||
+                    dstPrefixMatcher.matches(jsonNode.get(LispSrcDstAddressCodec.DST_PREFIX));
+        }
+
+        @Override
+        public void describeTo(Description description) {
+            description.appendText(address.toString());
+        }
+
+        /**
+         * Factory to allocate a LispSrcDstAddress matcher.
+         *
+         * @param address LispSrcDstAddress object we are looking for
+         * @return matcher
+         */
+        public static LispSrcDstAddressJsonMatcher matchesSrcDstAddress(LispSrcDstAddress address) {
+            return new LispSrcDstAddressJsonMatcher(address);
+        }
+    }
+
+    /**
+     * Reads in a LispSrcDstAddress from the given resource and decodes it.
+     *
+     * @param resourceName resource to use to read the JSON for the rule
+     * @return decoded LispSrcDstAddress
+     * @throws IOException if processing the resource fails
+     */
+    private LispSrcDstAddress getLispSrcDstAddress(String resourceName) throws IOException {
+        InputStream jsonStream = LispSrcDstAddressCodecTest.class.getResourceAsStream(resourceName);
+        JsonNode json = context.mapper().readTree(jsonStream);
+        assertThat("JSON string should not be null", json, notNullValue());
+        LispSrcDstAddress srcDstAddress = srcDstAddressCodec.decode((ObjectNode) json, context);
+        assertThat("decoded address should not be null", srcDstAddress, notNullValue());
+        return srcDstAddress;
+    }
+}

drivers/lisp/src/test/resources/org/onosproject/drivers/lisp/extensions/codec/LispSegmentAddress.json

@@ -0,0 +1,7 @@
+{
+  "instanceId": 1,
+  "address": {
+    "type": "IPV4",
+    "ipv4": "10.1.1.0/24"
+  }
+}

drivers/lisp/src/test/resources/org/onosproject/drivers/lisp/extensions/codec/LispSrcDstAddress.json

@@ -0,0 +1,12 @@
+{
+  "srcMaskLength": 1,
+  "dstMaskLength": 2,
+  "srcPrefix": {
+    "type": "IPV4",
+    "ipv4": "10.1.1.1/24"
+  },
+  "dstPrefix": {
+    "type": "IPV4",
+    "ipv4": "10.1.1.2/24"
+  }
+}