openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/device/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 package org.opendaylight.openflowplugin.impl.device.translator;
   9
  10 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  11 import org.opendaylight.openflowplugin.api.openflow.device.MessageTranslator;
  12 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
  13 import org.opendaylight.openflowplugin.extension.api.AugmentTuple;
  14 import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
  15 import org.opendaylight.openflowplugin.openflow.md.core.extension.MatchExtensionHelper;
  16 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.MatchConvertorImpl;
  17 import org.opendaylight.openflowplugin.openflow.md.util.InventoryDataServiceUtil;
  18 import org.opendaylight.openflowplugin.openflow.md.util.PacketInUtil;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.Match;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.InPortCase;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.ConnectionCookie;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceivedBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.MatchBuilder;
  28
  29 import java.math.BigInteger;
  30 import java.util.List;
  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(PacketInMessage input, DeviceContext deviceContext, Object connectionDistinguisher) {
  38
  39         PacketReceivedBuilder packetReceivedBuilder = new PacketReceivedBuilder();
  40         BigInteger datapathId = deviceContext.getPrimaryConnectionContext().getFeatures().getDatapathId();
  41
  42         // extract the port number
  43         Long port = null;
  44         if(input.getVersion() == OpenflowVersion.OF10.getVersion()) {
  45             port = input.getInPort().longValue();
  46         } else if (input.getVersion() == OpenflowVersion.OF13.getVersion()) {
  47             if (input.getMatch() != null && input.getMatch().getMatchEntry() != null) {
  48                 port = getPortNumberFromMatch(input.getMatch().getMatchEntry());
  49             }
  50         }
  51
  52         //TODO connection cookie from connection distinguisher
  53 //        packetReceivedBuilder.setConnectionCookie(new ConnectionCookie(input.getCookie().longValue()));
  54         packetReceivedBuilder.setPayload(input.getData());
  55         packetReceivedBuilder.setFlowCookie(new FlowCookie(input.getCookie()));
  56         packetReceivedBuilder.setIngress(InventoryDataServiceUtil.nodeConnectorRefFromDatapathIdPortno(datapathId, port, OpenflowVersion.get(input.getVersion())));
  57
  58         packetReceivedBuilder.setPacketInReason(PacketInUtil.getMdSalPacketInReason(input.getReason()));
  59         packetReceivedBuilder.setTableId(new org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableId(input.getTableId().getValue().shortValue()));
  60
  61
  62         org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match packetInMatch = getPacketInMatch(input, datapathId);
  63         packetReceivedBuilder.setMatch(packetInMatch);
  64
  65         return packetReceivedBuilder.build();
  66     }
  67
  68     private org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match getPacketInMatch(PacketInMessage input, BigInteger datapathId) {
  69         Match match = MatchConvertorImpl.fromOFMatchToSALMatch(input.getMatch(),
  70                 datapathId,
  71                 OpenflowVersion.get(input.getVersion().shortValue())).build();
  72         MatchBuilder matchBuilder = new MatchBuilder(match);
  73
  74         AugmentTuple<org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match> matchExtensionWrap =
  75                 MatchExtensionHelper.processAllExtensions(
  76                         input.getMatch().getMatchEntry(), OpenflowVersion.get(input.getVersion().shortValue()), MatchPath.PACKETRECEIVED_MATCH);
  77         if (matchExtensionWrap != null) {
  78             matchBuilder.addAugmentation(matchExtensionWrap.getAugmentationClass(), matchExtensionWrap.getAugmentationObject());
  79         }
  80         return matchBuilder.build();
  81     }
  82
  83     private Long getPortNumberFromMatch(List<MatchEntry> entries) {
  84         Long port = null;
  85         for (MatchEntry entry : entries) {
  86             InPortCase inPortCase = ((InPortCase) entry.getMatchEntryValue());
  87             org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.in.port._case.InPort inPort = inPortCase.getInPort();
  88             if (inPort != null) {
  89
  90                 if (port == null) {
  91                     port = inPort.getPortNumber().getValue();
  92                 } else {
  93 //                        LOG.warn("Multiple input ports discovered when walking through match entries (at least {} and {})",
  94 //                                port, inPort.getPortNumber().getValue());
  95                 }
  96             }
  97         }
  98         return port;
  99     }
 100 }