+++ /dev/null
-package org.openflow.codec.protocol;
-
-import java.util.Arrays;
-
-import org.openflow.codec.io.IDataBuffer;
-import org.openflow.codec.util.U16;
-import org.openflow.codec.util.U8;
-
-/**
- * Represents an ofp_packet_in
- *
- * @author David Erickson (daviderickson@cs.stanford.edu) - Feb 8, 2010
- * @author AnilGujele
- */
-public class OFPPacketIn extends OFPMessage {
- public static int MINIMUM_LENGTH = 32;
- public static int MINIMUM_LENGTH_WITHOUT_MATCH = MINIMUM_LENGTH - 8;
-
- public enum OFPacketInReason {
- NO_MATCH, ACTION, INVALID_TTL
- }
-
- protected int bufferId;
- protected short totalLength;
- protected OFPacketInReason reason;
- protected byte tableId;
- protected long cookie;
- protected OFPMatch match;
- protected byte[] packetData;
-
- public OFPPacketIn() {
- super();
- this.type = OFPType.PACKET_IN;
- this.length = U16.t(MINIMUM_LENGTH);
- }
-
- /**
- * Get buffer_id
- *
- * @return
- */
- public int getBufferId() {
- return this.bufferId;
- }
-
- /**
- * Set buffer_id
- *
- * @param bufferId
- */
- public OFPPacketIn setBufferId(int bufferId) {
- this.bufferId = bufferId;
- return this;
- }
-
- /**
- * Returns the packet data
- *
- * @return
- */
- public byte[] getPacketData() {
- return this.packetData;
- }
-
- /**
- * Sets the packet data, and updates the length of this message
- *
- * @param packetData
- */
- public OFPPacketIn setPacketData(byte[] packetData) {
- this.packetData = packetData;
- updateLength();
- return this;
- }
-
- private void updateLength() {
- short matchLength = (null == match) ? 0 : match.getLengthWithPadding();
- int packetDataLength = (null == packetData) ? 0 : packetData.length;
- int len = OFPPacketIn.MINIMUM_LENGTH_WITHOUT_MATCH + matchLength + packetDataLength;
- this.length = (short) len;
- }
-
- /**
- * Get reason
- *
- * @return
- */
- public OFPacketInReason getReason() {
- return this.reason;
- }
-
- /**
- * Set reason
- *
- * @param reason
- */
- public OFPPacketIn setReason(OFPacketInReason reason) {
- this.reason = reason;
- return this;
- }
-
- /**
- * get table id
- *
- * @return
- */
- public byte getTableId() {
- return tableId;
- }
-
- /**
- * set table id
- *
- * @param tableId
- */
- public void setTableId(byte tableId) {
- this.tableId = tableId;
- }
-
- /**
- * get cookie
- *
- * @return
- */
- public long getCookie() {
- return cookie;
- }
-
- /**
- * set cookie
- *
- * @param cookie
- */
- public void setCookie(long cookie) {
- this.cookie = cookie;
- }
-
- /**
- * get match
- *
- * @return
- */
- public OFPMatch getMatch() {
- return match;
- }
-
- /**
- * set match
- *
- * @param match
- */
- public void setMatch(OFPMatch match) {
- this.match = match;
- updateLength();
- }
-
- /**
- * Get total_len
- *
- * @return
- */
- public short getTotalLength() {
- return this.totalLength;
- }
-
- /**
- * Set total_len
- *
- * @param totalLength
- */
- public OFPPacketIn setTotalLength(short totalLength) {
- this.totalLength = totalLength;
- return this;
- }
-
- @Override
- public void readFrom(IDataBuffer data) {
- super.readFrom(data);
- this.bufferId = data.getInt();
- this.totalLength = data.getShort();
- this.reason = OFPacketInReason.values()[U8.f(data.get())];
- this.tableId = data.get();
- this.cookie = data.getLong();
- this.match = new OFPMatch();
- match.readFrom(data);
- // TBD - how to handle the padding here
- data.getShort(); // pad
- this.packetData = new byte[getLengthU() - OFPPacketIn.MINIMUM_LENGTH_WITHOUT_MATCH
- - match.getLengthWithPadding()];
- data.get(this.packetData);
- }
-
- @Override
- public void writeTo(IDataBuffer data) {
- super.writeTo(data);
- data.putInt(bufferId);
- data.putShort(totalLength);
- data.put((byte) reason.ordinal());
- data.put(tableId);
- data.putLong(cookie);
- if (null != match) {
- match.writeTo(data);
- }
- data.putShort((short) 0); // pad
- data.put(this.packetData);
- }
-
- @Override
- public int hashCode() {
- final int prime = 283;
- int result = super.hashCode();
- result = prime * result + bufferId;
- result = prime * result + tableId;
- result = prime * result + (int) (cookie ^ (cookie >>> 32));
- result = prime * result + ((null == match) ? 0 : match.hashCode());
- result = prime * result + Arrays.hashCode(packetData);
- result = prime * result + ((reason == null) ? 0 : reason.hashCode());
- result = prime * result + totalLength;
- return result;
- }
-
- @Override
- public boolean equals(Object obj) {
- if (this == obj) {
- return true;
- }
- if (!super.equals(obj)) {
- return false;
- }
- if (!(obj instanceof OFPPacketIn)) {
- return false;
- }
- OFPPacketIn other = (OFPPacketIn) obj;
- if (bufferId != other.bufferId) {
- return false;
- }
- if (tableId != other.tableId) {
- return false;
- }
- if (match == null) {
- if (other.match != null) {
- return false;
- }
- } else if (!match.equals(other.match)) {
- return false;
- }
- if (!Arrays.equals(packetData, other.packetData)) {
- return false;
- }
- if (reason == null) {
- if (other.reason != null) {
- return false;
- }
- } else if (!reason.equals(other.reason)) {
- return false;
- }
- if (totalLength != other.totalLength) {
- return false;
- }
- return true;
- }
-}
Code Review / openflowjava.git / blobdiff