Renamed registry and packet packages

net.onrc.onos.registry.controller.* => net.onrc.onos.core.registry.*
net.onrc.onos.packet => net.onrc.onos.core.packet

Change-Id: I595e325a2c0bab709f248dde5d84ff7b6185cf8b
diff --git a/src/main/java/net/onrc/onos/core/packet/DHCPOption.java b/src/main/java/net/onrc/onos/core/packet/DHCPOption.java
new file mode 100644
index 0000000..4681e0b
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/packet/DHCPOption.java
@@ -0,0 +1,118 @@
+/**
+*    Copyright 2011, Big Switch Networks, Inc. 
+*    Originally created by David Erickson, Stanford University
+* 
+*    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 net.onrc.onos.core.packet;
+
+import java.util.Arrays;
+
+/**
+ *
+ * @author David Erickson (daviderickson@cs.stanford.edu)
+ */
+public class DHCPOption {
+    protected byte code;
+    protected byte length;
+    protected byte[] data;
+
+    /**
+     * @return the code
+     */
+    public byte getCode() {
+        return code;
+    }
+
+    /**
+     * @param code the code to set
+     */
+    public DHCPOption setCode(byte code) {
+        this.code = code;
+        return this;
+    }
+
+    /**
+     * @return the length
+     */
+    public byte getLength() {
+        return length;
+    }
+
+    /**
+     * @param length the length to set
+     */
+    public DHCPOption setLength(byte length) {
+        this.length = length;
+        return this;
+    }
+
+    /**
+     * @return the data
+     */
+    public byte[] getData() {
+        return data;
+    }
+
+    /**
+     * @param data the data to set
+     */
+    public DHCPOption setData(byte[] data) {
+        this.data = data;
+        return this;
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#hashCode()
+     */
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + code;
+        result = prime * result + Arrays.hashCode(data);
+        result = prime * result + length;
+        return result;
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#equals(java.lang.Object)
+     */
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (!(obj instanceof DHCPOption))
+            return false;
+        DHCPOption other = (DHCPOption) obj;
+        if (code != other.code)
+            return false;
+        if (!Arrays.equals(data, other.data))
+            return false;
+        if (length != other.length)
+            return false;
+        return true;
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#toString()
+     */
+    @Override
+    public String toString() {
+        return "DHCPOption [code=" + code + ", length=" + length + ", data="
+                + Arrays.toString(data) + "]";
+    }
+}