Implement packet seriailizer and deserializer for LACP

Change-Id: Idbbd87a3ddeb477cac49a65e6a5c768761019e11
diff --git a/utils/misc/src/main/java/org/onlab/packet/lacp/LacpTerminatorTlv.java b/utils/misc/src/main/java/org/onlab/packet/lacp/LacpTerminatorTlv.java
new file mode 100644
index 0000000..2afd50a
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/lacp/LacpTerminatorTlv.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.onlab.packet.lacp;
+
+import org.onlab.packet.Deserializer;
+
+import java.nio.ByteBuffer;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static org.onlab.packet.PacketUtils.checkInput;
+
+/**
+ * Represents LACP terminator information.
+ */
+public class LacpTerminatorTlv extends LacpTlv {
+    public static final byte LENGTH = 0;
+    static final byte PADDING_LENGTH = 50;
+    private static final byte[] PADDING = new byte[PADDING_LENGTH];
+
+    /**
+     * Deserializer function for LacpTerminatorTlv packets.
+     *
+     * @return deserializer function
+     */
+    public static Deserializer<LacpTerminatorTlv> deserializer() {
+        return (data, offset, length) -> {
+            checkInput(data, offset, length, LENGTH);
+
+            return new LacpTerminatorTlv();
+        };
+    }
+
+    @Override
+    public byte[] serialize() {
+        final byte[] data = new byte[LENGTH + PADDING_LENGTH];
+
+        final ByteBuffer bb = ByteBuffer.wrap(data);
+        bb.put(PADDING);
+
+        return data;
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(getClass()).toString();
+    }
+}
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