+++ /dev/null
-/**
-* Copyright 2011, Big Switch Networks, Inc.
-* Originally created by David Erickson & Rob Sherwood, 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 org.openflow.vendor.nicira;
-
-import org.jboss.netty.buffer.ChannelBuffer;
-
-/**
- * Class that represents the vendor data in the role request
- * extension implemented by Open vSwitch to support high availability.
- *
- * @author Rob Vaterlaus (rob.vaterlaus@bigswitch.com)
- */
-public class OFRoleVendorData extends OFNiciraVendorData {
-
- /**
- * Role value indicating that the controller is in the OTHER role.
- */
- public static final int NX_ROLE_OTHER = 0;
-
- /**
- * Role value indicating that the controller is in the MASTER role.
- */
- public static final int NX_ROLE_MASTER = 1;
-
- /**
- * Role value indicating that the controller is in the SLAVE role.
- */
- public static final int NX_ROLE_SLAVE = 2;
-
- protected int role;
-
- /**
- * Construct an uninitialized OFRoleVendorData
- */
- public OFRoleVendorData() {
- super();
- }
-
- /**
- * Construct an OFRoleVendorData with the specified data type
- * (i.e. either request or reply) and an unspecified role.
- * @param dataType
- */
- public OFRoleVendorData(int dataType) {
- super(dataType);
- }
-
- /**
- * Construct an OFRoleVendorData with the specified data type
- * (i.e. either request or reply) and role (i.e. one of of
- * master, slave, or other).
- * @param dataType either role request or role reply data type
- */
- public OFRoleVendorData(int dataType, int role) {
- super(dataType);
- this.role = role;
- }
- /**
- * @return the role value of the role vendor data
- */
- public int getRole() {
- return role;
- }
-
- /**
- * @param role the role value of the role vendor data
- */
- public void setRole(int role) {
- this.role = role;
- }
-
- /**
- * @return the total length of the role vendor data
- */
- @Override
- public int getLength() {
- return super.getLength() + 4;
- }
-
- /**
- * Read the role vendor data from the ChannelBuffer
- * @param data the channel buffer from which we're deserializing
- * @param length the length to the end of the enclosing message
- */
- public void readFrom(ChannelBuffer data, int length) {
- super.readFrom(data, length);
- role = data.readInt();
- }
-
- /**
- * Write the role vendor data to the ChannelBuffer
- * @param data the channel buffer to which we're serializing
- */
- public void writeTo(ChannelBuffer data) {
- super.writeTo(data);
- data.writeInt(role);
- }
-}