opendaylight/adsal/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 final class Utils {
  25
  26     private Utils() { //prevent instantiation
  27         throw new AssertionError();
  28     }
  29     static String getOFErrorString(OFError error) {
  30         // Handle VENDOR extension errors here
  31         if (error.getErrorType() == V6Error.NICIRA_VENDOR_ERRORTYPE) {
  32             V6Error er = new V6Error(error);
  33             byte[] b = error.getError();
  34             ByteBuffer bb = ByteBuffer.allocate(b.length);
  35             bb.put(b);
  36             bb.rewind();
  37             er.readFrom(bb);
  38             return er.toString();
  39         }
  40
  41         // Handle OF1.0 errors here
  42         OFErrorType et = OFErrorType.values()[0xffff & error.getErrorType()];
  43         String errorStr = "Error : " + et.toString();
  44         switch (et) {
  45         case OFPET_HELLO_FAILED:
  46             OFHelloFailedCode hfc = OFHelloFailedCode.values()[0xffff & error
  47                     .getErrorCode()];
  48             errorStr += " " + hfc.toString();
  49             break;
  50         case OFPET_BAD_REQUEST:
  51             OFBadRequestCode brc = OFBadRequestCode.values()[0xffff & error
  52                     .getErrorCode()];
  53             errorStr += " " + brc.toString();
  54             break;
  55         case OFPET_BAD_ACTION:
  56             OFBadActionCode bac = OFBadActionCode.values()[0xffff & error
  57                     .getErrorCode()];
  58             errorStr += " " + bac.toString();
  59             break;
  60         case OFPET_FLOW_MOD_FAILED:
  61             OFFlowModFailedCode fmfc = OFFlowModFailedCode.values()[0xffff & error
  62                     .getErrorCode()];
  63             errorStr += " " + fmfc.toString();
  64             break;
  65         case OFPET_PORT_MOD_FAILED:
  66             OFPortModFailedCode pmfc = OFPortModFailedCode.values()[0xffff & error
  67                     .getErrorCode()];
  68             errorStr += " " + pmfc.toString();
  69             break;
  70         case OFPET_QUEUE_OP_FAILED:
  71             OFQueueOpFailedCode qofc = OFQueueOpFailedCode.values()[0xffff & error
  72                     .getErrorCode()];
  73             errorStr += " " + qofc.toString();
  74             break;
  75         default:
  76             break;
  77         }
  78         return errorStr;
  79     }
  80 }