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/BasePacket.java b/src/main/java/net/onrc/onos/core/packet/BasePacket.java
new file mode 100644
index 0000000..d3b382b
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/packet/BasePacket.java
@@ -0,0 +1,116 @@
+/**
+* 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;
+
+
+/**
+*
+* @author David Erickson (daviderickson@cs.stanford.edu)
+*/
+public abstract class BasePacket implements IPacket {
+ protected IPacket parent;
+ protected IPacket payload;
+
+ /**
+ * @return the parent
+ */
+ @Override
+ public IPacket getParent() {
+ return parent;
+ }
+
+ /**
+ * @param parent the parent to set
+ */
+ @Override
+ public IPacket setParent(IPacket parent) {
+ this.parent = parent;
+ return this;
+ }
+
+ /**
+ * @return the payload
+ */
+ @Override
+ public IPacket getPayload() {
+ return payload;
+ }
+
+ /**
+ * @param payload the payload to set
+ */
+ @Override
+ public IPacket setPayload(IPacket payload) {
+ this.payload = payload;
+ return this;
+ }
+
+ @Override
+ public void resetChecksum() {
+ if (this.parent != null)
+ this.parent.resetChecksum();
+ }
+
+ /* (non-Javadoc)
+ * @see java.lang.Object#hashCode()
+ */
+ @Override
+ public int hashCode() {
+ final int prime = 6733;
+ int result = 1;
+ result = prime * result + ((payload == null) ? 0 : payload.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 (obj == null)
+ return false;
+ if (!(obj instanceof BasePacket))
+ return false;
+ BasePacket other = (BasePacket) obj;
+ if (payload == null) {
+ if (other.payload != null)
+ return false;
+ } else if (!payload.equals(other.payload))
+ return false;
+ return true;
+ }
+
+ @Override
+ public Object clone() {
+ IPacket pkt;
+ try {
+ pkt = this.getClass().newInstance();
+ } catch (Exception e) {
+ throw new RuntimeException("Could not clone packet");
+ }
+ // TODO: we are using serialize()/deserialize() to perform the
+ // cloning. Not the most efficient way but simple. We can revisit
+ // if we hit performance problems.
+ byte[] data = this.serialize();
+ pkt.deserialize(this.serialize(), 0, data.length);
+ pkt.setParent(this.parent);
+ return pkt;
+ }
+}
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