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 java.util.List;
  14 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  15 import org.opendaylight.openflowplugin.api.openflow.device.MessageTranslator;
  16 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
  17 import org.opendaylight.openflowplugin.extension.api.AugmentTuple;
  18 import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
  19 import org.opendaylight.openflowplugin.impl.util.NodeConnectorRefToPortTranslator;
  20 import org.opendaylight.openflowplugin.openflow.md.core.extension.MatchExtensionHelper;
  21 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.MatchConvertorImpl;
  22 import org.opendaylight.openflowplugin.openflow.md.util.PacketInUtil;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.Match;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.InPortCase;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceivedBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.MatchBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableId;
  33
  34 /**
  35  * Created by tkubas on 4/1/15.
  36  */
  37 public class PacketReceivedTranslator implements MessageTranslator<PacketInMessage, PacketReceived> {
  38     @Override
  39     public PacketReceived translate(final PacketInMessage input, final DeviceContext deviceContext, final Object connectionDistinguisher) {
  40
  41         PacketReceivedBuilder packetReceivedBuilder = new PacketReceivedBuilder();
  42         BigInteger datapathId = deviceContext.getPrimaryConnectionContext().getFeatures().getDatapathId();
  43
  44         // TODO: connection cookie from connection distinguisher
  45         // packetReceivedBuilder.setConnectionCookie(new ConnectionCookie(input.getCookie().longValue()));
  46
  47         packetReceivedBuilder.setPayload(input.getData());
  48
  49         // get the Cookie if it exists
  50         if (input.getCookie() != null) {
  51             packetReceivedBuilder.setFlowCookie(new FlowCookie(input.getCookie()));
  52         }
  53
  54         // Try to create the NodeConnectorRef
  55         BigInteger dataPathId = deviceContext.getDeviceState().getFeatures().getDatapathId();
  56         NodeConnectorRef nodeConnectorRef = NodeConnectorRefToPortTranslator.toNodeConnectorRef(input, dataPathId);
  57
  58         // If we was able to create NodeConnectorRef, use it
  59         if (nodeConnectorRef != null) {
  60             packetReceivedBuilder.setIngress(nodeConnectorRef);
  61         }
  62
  63         packetReceivedBuilder.setPacketInReason(PacketInUtil.getMdSalPacketInReason(input.getReason()));
  64
  65         if (input.getTableId() != null) {
  66             packetReceivedBuilder.setTableId(new TableId(input.getTableId().getValue().shortValue()));
  67         }
  68
  69         if (input.getMatch() != null) {
  70             org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match packetInMatch = getPacketInMatch(input, datapathId);
  71             packetReceivedBuilder.setMatch(packetInMatch);
  72         }
  73
  74         return packetReceivedBuilder.build();
  75     }
  76
  77     @VisibleForTesting
  78     static org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match getPacketInMatch(final PacketInMessage input, final BigInteger datapathId) {
  79         Match match = MatchConvertorImpl.fromOFMatchToSALMatch(input.getMatch(),
  80                 datapathId,
  81                 OpenflowVersion.get(input.getVersion().shortValue())).build();
  82         MatchBuilder matchBuilder = new MatchBuilder(match);
  83
  84         AugmentTuple<org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match> matchExtensionWrap =
  85                 MatchExtensionHelper.processAllExtensions(
  86                         input.getMatch().getMatchEntry(), OpenflowVersion.get(input.getVersion().shortValue()), MatchPath.PACKETRECEIVED_MATCH);
  87         if (matchExtensionWrap != null) {
  88             matchBuilder.addAugmentation(matchExtensionWrap.getAugmentationClass(), matchExtensionWrap.getAugmentationObject());
  89         }
  90         return matchBuilder.build();
  91     }
  92 }