third-party/openflowj_netty/src/main/java/org/openflow/vendor/openflow/OFOpenFlowVendorExtensions.java

   1 /**
   2 *    Copyright 2012, Andrew Ferguson, Brown University
   3 *
   4 *    Licensed under the Apache License, Version 2.0 (the "License"); you may
   5 *    not use this file except in compliance with the License. You may obtain
   6 *    a copy of the License at
   7 *
   8 *         http://www.apache.org/licenses/LICENSE-2.0
   9 *
  10 *    Unless required by applicable law or agreed to in writing, software
  11 *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  12 *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  13 *    License for the specific language governing permissions and limitations
  14 *    under the License.
  15 **/
  16
  17 package org.openflow.vendor.openflow;
  18
  19 import org.openflow.protocol.vendor.OFBasicVendorDataType;
  20 import org.openflow.protocol.vendor.OFBasicVendorId;
  21 import org.openflow.protocol.vendor.OFVendorId;
  22
  23 public class OFOpenFlowVendorExtensions {
  24     private static boolean initialized = false;
  25
  26     public static synchronized void initialize() {
  27         if (initialized)
  28             return;
  29
  30         // Configure openflowj to be able to parse the OpenFlow extensions.
  31         OFBasicVendorId openflowVendorId =
  32                 new OFBasicVendorId(OFOpenFlowVendorData.OF_VENDOR_ID, 4);
  33         OFVendorId.registerVendorId(openflowVendorId);
  34
  35         OFBasicVendorDataType queueModifyVendorData =
  36                 new OFBasicVendorDataType(OFQueueModifyVendorData.OFP_EXT_QUEUE_MODIFY,
  37                         OFQueueModifyVendorData.getInstantiable());
  38         openflowVendorId.registerVendorDataType(queueModifyVendorData);
  39
  40         OFBasicVendorDataType queueDeleteVendorData =
  41                 new OFBasicVendorDataType(OFQueueDeleteVendorData.OFP_EXT_QUEUE_DELETE,
  42                         OFQueueModifyVendorData.getInstantiable());
  43         openflowVendorId.registerVendorDataType(queueDeleteVendorData);
  44
  45         initialized = true;
  46     }
  47 }