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/LLDP.java b/src/main/java/net/onrc/onos/core/packet/LLDP.java
new file mode 100644
index 0000000..307a052
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/packet/LLDP.java
@@ -0,0 +1,204 @@
+/**
+*    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.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author David Erickson (daviderickson@cs.stanford.edu)
+ *
+ */
+public class LLDP extends BasePacket {
+    protected LLDPTLV chassisId;
+    protected LLDPTLV portId;
+    protected LLDPTLV ttl;
+    protected List<LLDPTLV> optionalTLVList;
+    protected short ethType;
+
+    public LLDP() {
+        this.optionalTLVList = new ArrayList<LLDPTLV>();
+        this.ethType = Ethernet.TYPE_LLDP;
+    }
+
+    /**
+     * @return the chassisId
+     */
+    public LLDPTLV getChassisId() {
+        return chassisId;
+    }
+
+    /**
+     * @param chassisId the chassisId to set
+     */
+    public LLDP setChassisId(LLDPTLV chassisId) {
+        this.chassisId = chassisId;
+        return this;
+    }
+
+    /**
+     * @return the portId
+     */
+    public LLDPTLV getPortId() {
+        return portId;
+    }
+
+    /**
+     * @param portId the portId to set
+     */
+    public LLDP setPortId(LLDPTLV portId) {
+        this.portId = portId;
+        return this;
+    }
+
+    /**
+     * @return the ttl
+     */
+    public LLDPTLV getTtl() {
+        return ttl;
+    }
+
+    /**
+     * @param ttl the ttl to set
+     */
+    public LLDP setTtl(LLDPTLV ttl) {
+        this.ttl = ttl;
+        return this;
+    }
+
+    /**
+     * @return the optionalTLVList
+     */
+    public List<LLDPTLV> getOptionalTLVList() {
+        return optionalTLVList;
+    }
+
+    /**
+     * @param optionalTLVList the optionalTLVList to set
+     */
+    public LLDP setOptionalTLVList(List<LLDPTLV> optionalTLVList) {
+        this.optionalTLVList = optionalTLVList;
+        return this;
+    }
+
+    @Override
+    public byte[] serialize() {
+        int length = 2+this.chassisId.getLength() + 2+this.portId.getLength() +
+            2+this.ttl.getLength() + 2;
+        for (LLDPTLV tlv : this.optionalTLVList) {
+            length += 2 + tlv.getLength();
+        }
+
+        byte[] data = new byte[length];
+        ByteBuffer bb = ByteBuffer.wrap(data);
+        bb.put(this.chassisId.serialize());
+        bb.put(this.portId.serialize());
+        bb.put(this.ttl.serialize());
+        for (LLDPTLV tlv : this.optionalTLVList) {
+            bb.put(tlv.serialize());
+        }
+        bb.putShort((short) 0); // End of LLDPDU
+
+        if (this.parent != null && this.parent instanceof Ethernet)
+            ((Ethernet)this.parent).setEtherType(ethType);
+
+        return data;
+    }
+
+    @Override
+    public IPacket deserialize(byte[] data, int offset, int length) {
+        ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+        LLDPTLV tlv;
+        do {
+            tlv = new LLDPTLV().deserialize(bb);
+
+            // if there was a failure to deserialize stop processing TLVs
+            if (tlv == null)
+                break;
+            switch (tlv.getType()) {
+                case 0x0:
+                    // can throw this one away, its just an end delimiter
+                    break;
+                case 0x1:
+                    this.chassisId = tlv;
+                    break;
+                case 0x2:
+                    this.portId = tlv;
+                    break;
+                case 0x3:
+                    this.ttl = tlv;
+                    break;
+                default:
+                    this.optionalTLVList.add(tlv);
+                    break;
+            }
+        } while (tlv.getType() != 0 && bb.hasRemaining());
+        return this;
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#hashCode()
+     */
+    @Override
+    public int hashCode() {
+        final int prime = 883;
+        int result = super.hashCode();
+        result = prime * result
+                + ((chassisId == null) ? 0 : chassisId.hashCode());
+        result = prime * result + (optionalTLVList.hashCode());
+        result = prime * result + ((portId == null) ? 0 : portId.hashCode());
+        result = prime * result + ((ttl == null) ? 0 : ttl.hashCode());
+        return result;
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#equals(java.lang.Object)
+     */
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (!super.equals(obj))
+            return false;
+        if (!(obj instanceof LLDP))
+            return false;
+        LLDP other = (LLDP) obj;
+        if (chassisId == null) {
+            if (other.chassisId != null)
+                return false;
+        } else if (!chassisId.equals(other.chassisId))
+            return false;
+        if (!optionalTLVList.equals(other.optionalTLVList))
+            return false;
+        if (portId == null) {
+            if (other.portId != null)
+                return false;
+        } else if (!portId.equals(other.portId))
+            return false;
+        if (ttl == null) {
+            if (other.ttl != null)
+                return false;
+        } else if (!ttl.equals(other.ttl))
+            return false;
+        return true;
+    }
+}