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 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
   9
  10 import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint16;
  11 import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint32;
  12
  13 import io.netty.buffer.ByteBuf;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  15 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  16 import org.opendaylight.openflowjava.protocol.impl.util.OpenflowUtils;
  17 import org.opendaylight.openflowjava.util.ByteBufUtils;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortReason;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatusMessage;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortStatusMessageBuilder;
  21
  22 /**
  23  * Translates PortStatus messages (OpenFlow v1.0).
  24  *
  25  * @author michal.polkorab
  26  */
  27 public class OF10PortStatusMessageFactory implements OFDeserializer<PortStatusMessage> {
  28
  29     private static final byte PADDING_IN_PORT_STATUS_HEADER = 7;
  30
  31     @Override
  32     public PortStatusMessage deserialize(final ByteBuf rawMessage) {
  33         PortStatusMessageBuilder builder = new PortStatusMessageBuilder()
  34                 .setVersion(EncodeConstants.OF_VERSION_1_0)
  35                 .setXid(readUint32(rawMessage))
  36                 .setReason(PortReason.forValue(rawMessage.readUnsignedByte()));
  37         rawMessage.skipBytes(PADDING_IN_PORT_STATUS_HEADER);
  38         deserializePort(rawMessage, builder);
  39         return builder.build();
  40     }
  41
  42     private static void deserializePort(final ByteBuf rawMessage, final PortStatusMessageBuilder builder) {
  43         builder.setPortNo(readUint16(rawMessage).toUint32());
  44         builder.setHwAddr(ByteBufUtils.readIetfMacAddress(rawMessage));
  45         builder.setName(ByteBufUtils.decodeNullTerminatedString(rawMessage, EncodeConstants.MAX_PORT_NAME_LENGTH));
  46         builder.setConfigV10(OpenflowUtils.createPortConfig(rawMessage.readUnsignedInt()));
  47         builder.setStateV10(OpenflowUtils.createPortState(rawMessage.readUnsignedInt()));
  48         builder.setCurrentFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  49         builder.setAdvertisedFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  50         builder.setSupportedFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  51         builder.setPeerFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  52     }
  53 }