| /** |
| * 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. |
| **/ |
| |
| /** |
| * @author David Erickson (daviderickson@cs.stanford.edu) - Mar 11, 2010 |
| */ |
| package org.openflow.protocol.action; |
| |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import org.openflow.util.U16; |
| |
| /** |
| * @author David Erickson (daviderickson@cs.stanford.edu) - Mar 11, 2010 |
| * @author Rob Sherwood (rob.sherwood@stanford.edu) |
| */ |
| public class OFActionOutput extends OFAction implements Cloneable { |
| public static int MINIMUM_LENGTH = 8; |
| |
| protected short port; |
| protected short maxLength; |
| |
| public OFActionOutput() { |
| super.setType(OFActionType.OUTPUT); |
| super.setLength((short) MINIMUM_LENGTH); |
| } |
| |
| /** |
| * Create an Output Action sending packets out the specified |
| * OpenFlow port. |
| * |
| * This is the most common creation pattern for OFActions. |
| * |
| * @param port |
| */ |
| |
| public OFActionOutput(short port) { |
| this(port, (short) 65535); |
| } |
| |
| /** |
| * Create an Output Action specifying both the port AND |
| * the snaplen of the packet to send out that port. |
| * The length field is only meaningful when port == OFPort.OFPP_CONTROLLER |
| * @param port |
| * @param maxLength The maximum number of bytes of the packet to send. |
| * Most hardware only supports this value for OFPP_CONTROLLER |
| */ |
| |
| public OFActionOutput(short port, short maxLength) { |
| super(); |
| super.setType(OFActionType.OUTPUT); |
| super.setLength((short) MINIMUM_LENGTH); |
| this.port = port; |
| this.maxLength = maxLength; |
| } |
| |
| /** |
| * Get the output port |
| * @return |
| */ |
| public short getPort() { |
| return this.port; |
| } |
| |
| /** |
| * Set the output port |
| * @param port |
| */ |
| public OFActionOutput setPort(short port) { |
| this.port = port; |
| return this; |
| } |
| |
| /** |
| * Get the max length to send to the controller |
| * @return |
| */ |
| public short getMaxLength() { |
| return this.maxLength; |
| } |
| |
| /** |
| * Set the max length to send to the controller |
| * @param maxLength |
| */ |
| public OFActionOutput setMaxLength(short maxLength) { |
| this.maxLength = maxLength; |
| return this; |
| } |
| |
| @Override |
| public void readFrom(ChannelBuffer data) { |
| super.readFrom(data); |
| this.port = data.readShort(); |
| this.maxLength = data.readShort(); |
| } |
| |
| @Override |
| public void writeTo(ChannelBuffer data) { |
| super.writeTo(data); |
| data.writeShort(port); |
| data.writeShort(maxLength); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 367; |
| int result = super.hashCode(); |
| result = prime * result + maxLength; |
| result = prime * result + port; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (!super.equals(obj)) { |
| return false; |
| } |
| if (!(obj instanceof OFActionOutput)) { |
| return false; |
| } |
| OFActionOutput other = (OFActionOutput) obj; |
| if (maxLength != other.maxLength) { |
| return false; |
| } |
| if (port != other.port) { |
| return false; |
| } |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#toString() |
| */ |
| @Override |
| public String toString() { |
| return "OFActionOutput [maxLength=" + maxLength + ", port=" + U16.f(port) |
| + ", length=" + length + ", type=" + type + "]"; |
| } |
| } |