openflowjava/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/factories/OF10PortStatusMessageFactory.java

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  13 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  14 import org.opendaylight.openflowjava.protocol.impl.util.OpenflowUtils;
  15 import org.opendaylight.openflowjava.util.ByteBufUtils;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortReason;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatusMessage;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatusMessageBuilder;
  19
  20 /**
  21  * Translates PortStatus messages (OpenFlow v1.0).
  22  *
  23  * @author michal.polkorab
  24  */
  25 public class OF10PortStatusMessageFactory implements OFDeserializer<PortStatusMessage> {
  26
  27     private static final byte PADDING_IN_PORT_STATUS_HEADER = 7;
  28
  29     @Override
  30     public PortStatusMessage deserialize(final ByteBuf rawMessage) {
  31         PortStatusMessageBuilder builder = new PortStatusMessageBuilder();
  32         builder.setVersion((short) EncodeConstants.OF10_VERSION_ID);
  33         builder.setXid(rawMessage.readUnsignedInt());
  34         builder.setReason(PortReason.forValue(rawMessage.readUnsignedByte()));
  35         rawMessage.skipBytes(PADDING_IN_PORT_STATUS_HEADER);
  36         deserializePort(rawMessage, builder);
  37         return builder.build();
  38     }
  39
  40     private static void deserializePort(final ByteBuf rawMessage, final PortStatusMessageBuilder builder) {
  41         builder.setPortNo((long) rawMessage.readUnsignedShort());
  42         builder.setHwAddr(ByteBufUtils.readIetfMacAddress(rawMessage));
  43         builder.setName(ByteBufUtils.decodeNullTerminatedString(rawMessage, EncodeConstants.MAX_PORT_NAME_LENGTH));
  44         builder.setConfigV10(OpenflowUtils.createPortConfig(rawMessage.readUnsignedInt()));
  45         builder.setStateV10(OpenflowUtils.createPortState(rawMessage.readUnsignedInt()));
  46         builder.setCurrentFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  47         builder.setAdvertisedFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  48         builder.setSupportedFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  49         builder.setPeerFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  50     }
  51 }