openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/translator/PacketReceivedTranslator.java

   1 /**
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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.openflowplugin.impl.translator;
  10
  11 import com.google.common.annotations.VisibleForTesting;
  12 import java.math.BigInteger;
  13 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
  14 import org.opendaylight.openflowplugin.api.openflow.device.MessageTranslator;
  15 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
  16 import org.opendaylight.openflowplugin.extension.api.AugmentTuple;
  17 import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
  18 import org.opendaylight.openflowplugin.impl.util.NodeConnectorRefToPortTranslator;
  19 import org.opendaylight.openflowplugin.openflow.md.core.extension.MatchExtensionHelper;
  20 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.MatchConvertorImpl;
  21 import org.opendaylight.openflowplugin.openflow.md.util.PacketInUtil;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.Match;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceivedBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.MatchBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableId;
  30
  31 /**
  32  * Created by tkubas on 4/1/15.
  33  */
  34 public class PacketReceivedTranslator implements MessageTranslator<PacketInMessage, PacketReceived> {
  35     @Override
  36     public PacketReceived translate(final PacketInMessage input, final DeviceInfo deviceInfo, final Object connectionDistinguisher) {
  37
  38         PacketReceivedBuilder packetReceivedBuilder = new PacketReceivedBuilder();
  39         BigInteger datapathId = deviceInfo.getDatapathId();
  40
  41         // TODO: connection cookie from connection distinguisher
  42         // packetReceivedBuilder.setConnectionCookie(new ConnectionCookie(input.getCookie().longValue()));
  43
  44         packetReceivedBuilder.setPayload(input.getData());
  45
  46         // get the Cookie if it exists
  47         if (input.getCookie() != null) {
  48             packetReceivedBuilder.setFlowCookie(new FlowCookie(input.getCookie()));
  49         }
  50
  51         // Try to create the NodeConnectorRef
  52         BigInteger dataPathId = deviceInfo.getDatapathId();
  53         NodeConnectorRef nodeConnectorRef = NodeConnectorRefToPortTranslator.toNodeConnectorRef(input, dataPathId);
  54
  55         // If we was able to create NodeConnectorRef, use it
  56         if (nodeConnectorRef != null) {
  57             packetReceivedBuilder.setIngress(nodeConnectorRef);
  58         }
  59
  60         packetReceivedBuilder.setPacketInReason(PacketInUtil.getMdSalPacketInReason(input.getReason()));
  61
  62         if (input.getTableId() != null) {
  63             packetReceivedBuilder.setTableId(new TableId(input.getTableId().getValue().shortValue()));
  64         }
  65
  66         if (input.getMatch() != null) {
  67             org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match packetInMatch = getPacketInMatch(input, datapathId);
  68             packetReceivedBuilder.setMatch(packetInMatch);
  69         }
  70
  71         return packetReceivedBuilder.build();
  72     }
  73
  74     @VisibleForTesting
  75     static org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match getPacketInMatch(final PacketInMessage input, final BigInteger datapathId) {
  76         Match match = MatchConvertorImpl.fromOFMatchToSALMatch(input.getMatch(),
  77                 datapathId,
  78                 OpenflowVersion.get(input.getVersion().shortValue())).build();
  79         MatchBuilder matchBuilder = new MatchBuilder(match);
  80
  81         AugmentTuple<org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match> matchExtensionWrap =
  82                 MatchExtensionHelper.processAllExtensions(
  83                         input.getMatch().getMatchEntry(), OpenflowVersion.get(input.getVersion().shortValue()), MatchPath.PACKETRECEIVED_MATCH);
  84         if (matchExtensionWrap != null) {
  85             matchBuilder.addAugmentation(matchExtensionWrap.getAugmentationClass(), matchExtensionWrap.getAugmentationObject());
  86         }
  87         return matchBuilder.build();
  88     }
  89 }