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.Optional;
  14 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
  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.ConvertorManager;
  22 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionDatapathIdConvertorData;
  23 import org.opendaylight.openflowplugin.openflow.md.util.PacketInUtil;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceivedBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.MatchBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableId;
  31
  32 /**
  33  * Created by tkubas on 4/1/15.
  34  */
  35 public class PacketReceivedTranslator implements MessageTranslator<PacketInMessage, PacketReceived> {
  36     @Override
  37     public PacketReceived translate(final PacketInMessage input, final DeviceInfo deviceInfo, final Object connectionDistinguisher) {
  38
  39         PacketReceivedBuilder packetReceivedBuilder = new PacketReceivedBuilder();
  40         BigInteger datapathId = deviceInfo.getDatapathId();
  41
  42         // TODO: connection cookie from connection distinguisher
  43         // packetReceivedBuilder.setConnectionCookie(new ConnectionCookie(input.getCookie().longValue()));
  44
  45         packetReceivedBuilder.setPayload(input.getData());
  46
  47         // get the Cookie if it exists
  48         if (input.getCookie() != null) {
  49             packetReceivedBuilder.setFlowCookie(new FlowCookie(input.getCookie()));
  50         }
  51
  52         // Try to create the NodeConnectorRef
  53         BigInteger dataPathId = deviceInfo.getDatapathId();
  54         NodeConnectorRef nodeConnectorRef = NodeConnectorRefToPortTranslator.toNodeConnectorRef(input, dataPathId);
  55
  56         // If we was able to create NodeConnectorRef, use it
  57         if (nodeConnectorRef != null) {
  58             packetReceivedBuilder.setIngress(nodeConnectorRef);
  59         }
  60
  61         packetReceivedBuilder.setPacketInReason(PacketInUtil.getMdSalPacketInReason(input.getReason()));
  62
  63         if (input.getTableId() != null) {
  64             packetReceivedBuilder.setTableId(new TableId(input.getTableId().getValue().shortValue()));
  65         }
  66
  67         if (input.getMatch() != null) {
  68             org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match packetInMatch = getPacketInMatch(input, datapathId);
  69             packetReceivedBuilder.setMatch(packetInMatch);
  70         }
  71
  72         return packetReceivedBuilder.build();
  73     }
  74
  75     @VisibleForTesting
  76     static org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match getPacketInMatch(final PacketInMessage input, final BigInteger datapathId) {
  77         final VersionDatapathIdConvertorData datapathIdConvertorData = new VersionDatapathIdConvertorData(input.getVersion());
  78         datapathIdConvertorData.setDatapathId(datapathId);
  79
  80         final Optional<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder> matchOptional = ConvertorManager.getInstance().convert(input.getMatch(), datapathIdConvertorData);
  81         final MatchBuilder matchBuilder = matchOptional.isPresent() ?
  82                 new MatchBuilder(matchOptional.get().build()) :
  83                 new MatchBuilder();
  84
  85         final AugmentTuple<org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match> matchExtensionWrap =
  86                 MatchExtensionHelper.processAllExtensions(
  87                         input.getMatch().getMatchEntry(),
  88                         OpenflowVersion.get(input.getVersion()),
  89                         MatchPath.PACKETRECEIVED_MATCH);
  90
  91         if (matchExtensionWrap != null) {
  92             matchBuilder.addAugmentation(matchExtensionWrap.getAugmentationClass(), matchExtensionWrap.getAugmentationObject());
  93         }
  94
  95         return matchBuilder.build();
  96     }
  97 }