opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/Utils.java

   1
   2 /*
   3  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10 package org.opendaylight.controller.protocol_plugin.openflow.internal;
  11
  12 import java.nio.ByteBuffer;
  13
  14 import org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6Error;
  15 import org.openflow.protocol.OFError;
  16 import org.openflow.protocol.OFError.OFBadActionCode;
  17 import org.openflow.protocol.OFError.OFBadRequestCode;
  18 import org.openflow.protocol.OFError.OFErrorType;
  19 import org.openflow.protocol.OFError.OFFlowModFailedCode;
  20 import org.openflow.protocol.OFError.OFHelloFailedCode;
  21 import org.openflow.protocol.OFError.OFPortModFailedCode;
  22 import org.openflow.protocol.OFError.OFQueueOpFailedCode;
  23
  24 public abstract class Utils {
  25     public static String getOFErrorString(OFError error) {
  26         // Handle VENDOR extension errors here
  27         if (error.getErrorType() == V6Error.NICIRA_VENDOR_ERRORTYPE) {
  28             V6Error er = new V6Error(error);
  29             byte[] b = error.getError();
  30             ByteBuffer bb = ByteBuffer.allocate(b.length);
  31             bb.put(b);
  32             bb.rewind();
  33             er.readFrom(bb);
  34             return er.toString();
  35         }
  36
  37         // Handle OF1.0 errors here
  38         OFErrorType et = OFErrorType.values()[0xffff & error.getErrorType()];
  39         String errorStr = "Error : " + et.toString();
  40         switch (et) {
  41         case OFPET_HELLO_FAILED:
  42             OFHelloFailedCode hfc = OFHelloFailedCode.values()[0xffff & error
  43                     .getErrorCode()];
  44             errorStr += " " + hfc.toString();
  45             break;
  46         case OFPET_BAD_REQUEST:
  47             OFBadRequestCode brc = OFBadRequestCode.values()[0xffff & error
  48                     .getErrorCode()];
  49             errorStr += " " + brc.toString();
  50             break;
  51         case OFPET_BAD_ACTION:
  52             OFBadActionCode bac = OFBadActionCode.values()[0xffff & error
  53                     .getErrorCode()];
  54             errorStr += " " + bac.toString();
  55             break;
  56         case OFPET_FLOW_MOD_FAILED:
  57             OFFlowModFailedCode fmfc = OFFlowModFailedCode.values()[0xffff & error
  58                     .getErrorCode()];
  59             errorStr += " " + fmfc.toString();
  60             break;
  61         case OFPET_PORT_MOD_FAILED:
  62             OFPortModFailedCode pmfc = OFPortModFailedCode.values()[0xffff & error
  63                     .getErrorCode()];
  64             errorStr += " " + pmfc.toString();
  65             break;
  66         case OFPET_QUEUE_OP_FAILED:
  67             OFQueueOpFailedCode qofc = OFQueueOpFailedCode.values()[0xffff & error
  68                     .getErrorCode()];
  69             errorStr += " " + qofc.toString();
  70             break;
  71         default:
  72             break;
  73         }
  74         return errorStr;
  75     }
  76 }