+++ /dev/null
-/**
-* Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior
-* 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 org.openflow.protocol;
-
-import java.util.Arrays;
-
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.openflow.util.U16;
-import org.openflow.util.U32;
-import org.openflow.util.U8;
-
-/**
- * Represents an ofp_packet_in
- *
- * @author David Erickson (daviderickson@cs.stanford.edu) - Feb 8, 2010
- */
-public class OFPacketIn extends OFMessage {
- public static short MINIMUM_LENGTH = 18;
-
- public enum OFPacketInReason {
- NO_MATCH, ACTION
- }
-
- protected int bufferId;
- protected short totalLength;
- protected short inPort;
- protected OFPacketInReason reason;
- protected byte[] packetData;
-
- public OFPacketIn() {
- super();
- this.type = OFType.PACKET_IN;
- this.length = U16.t(MINIMUM_LENGTH);
- }
-
- /**
- * Get buffer_id
- * @return
- */
- public int getBufferId() {
- return this.bufferId;
- }
-
- /**
- * Set buffer_id
- * @param bufferId
- */
- public OFPacketIn 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 OFPacketIn setPacketData(byte[] packetData) {
- this.packetData = packetData;
- this.length = U16.t(OFPacketIn.MINIMUM_LENGTH + packetData.length);
- return this;
- }
-
- /**
- * Get in_port
- * @return
- */
- public short getInPort() {
- return this.inPort;
- }
-
- /**
- * Set in_port
- * @param inPort
- */
- public OFPacketIn setInPort(short inPort) {
- this.inPort = inPort;
- return this;
- }
-
- /**
- * Get reason
- * @return
- */
- public OFPacketInReason getReason() {
- return this.reason;
- }
-
- /**
- * Set reason
- * @param reason
- */
- public OFPacketIn setReason(OFPacketInReason reason) {
- this.reason = reason;
- return this;
- }
-
- /**
- * Get total_len
- * @return
- */
- public short getTotalLength() {
- return this.totalLength;
- }
-
- /**
- * Set total_len
- * @param totalLength
- */
- public OFPacketIn setTotalLength(short totalLength) {
- this.totalLength = totalLength;
- return this;
- }
-
- @Override
- public void readFrom(ChannelBuffer data) {
- super.readFrom(data);
- this.bufferId = data.readInt();
- this.totalLength = data.readShort();
- this.inPort = data.readShort();
- this.reason = OFPacketInReason.values()[U8.f(data.readByte())];
- data.readByte(); // pad
- this.packetData = new byte[getLengthU() - MINIMUM_LENGTH];
- data.readBytes(this.packetData);
- }
-
- @Override
- public void writeTo(ChannelBuffer data) {
- super.writeTo(data);
- data.writeInt(bufferId);
- data.writeShort(totalLength);
- data.writeShort(inPort);
- data.writeByte((byte) reason.ordinal());
- data.writeByte((byte) 0x0); // pad
- data.writeBytes(this.packetData);
- }
-
- @Override
- public int hashCode() {
- final int prime = 283;
- int result = super.hashCode();
- result = prime * result + bufferId;
- result = prime * result + inPort;
- 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 OFPacketIn)) {
- return false;
- }
- OFPacketIn other = (OFPacketIn) obj;
- if (bufferId != other.bufferId) {
- return false;
- }
- if (inPort != other.inPort) {
- 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;
- }
-
- public String toString() {
- String myStr = super.toString();
- return "packetIn" +
- ":bufferId=" + U32.f(this.bufferId) + myStr;
- }
-}