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
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  14 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  15 import org.opendaylight.openflowjava.protocol.impl.util.OpenflowUtils;
  16 import org.opendaylight.openflowjava.util.ByteBufUtils;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  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  * @author michal.polkorab
  25  */
  26 public class OF10PortStatusMessageFactory implements OFDeserializer<PortStatusMessage> {
  27
  28     private static final byte PADDING_IN_PORT_STATUS_HEADER = 7;
  29
  30     @Override
  31     public PortStatusMessage deserialize(ByteBuf rawMessage) {
  32         PortStatusMessageBuilder builder = new PortStatusMessageBuilder();
  33         builder.setVersion((short) EncodeConstants.OF10_VERSION_ID);
  34         builder.setXid(rawMessage.readUnsignedInt());
  35         builder.setReason(PortReason.forValue(rawMessage.readUnsignedByte()));
  36         rawMessage.skipBytes(PADDING_IN_PORT_STATUS_HEADER);
  37         deserializePort(rawMessage, builder);
  38         return builder.build();
  39     }
  40
  41     private static void deserializePort(ByteBuf rawMessage, PortStatusMessageBuilder builder) {
  42         builder.setPortNo((long) rawMessage.readUnsignedShort());
  43         byte[] address = new byte[EncodeConstants.MAC_ADDRESS_LENGTH];
  44         rawMessage.readBytes(address);
  45         builder.setHwAddr(new MacAddress(ByteBufUtils.macAddressToString(address)));
  46         builder.setName(ByteBufUtils.decodeNullTerminatedString(rawMessage, EncodeConstants.MAX_PORT_NAME_LENGTH));
  47         builder.setConfigV10(OpenflowUtils.createPortConfig(rawMessage.readUnsignedInt()));
  48         builder.setStateV10(OpenflowUtils.createPortState(rawMessage.readUnsignedInt()));
  49         builder.setCurrentFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  50         builder.setAdvertisedFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  51         builder.setSupportedFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  52         builder.setPeerFeaturesV10(OpenflowUtils.createPortFeatures(rawMessage.readUnsignedInt()));
  53     }
  54 }