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 package org.opendaylight.openflowplugin.impl.translator;
   9
  10 import java.math.BigInteger;
  11 import java.util.List;
  12 import org.opendaylight.openflowplugin.api.OFConstants;
  13 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  14 import org.opendaylight.openflowplugin.api.openflow.device.MessageTranslator;
  15 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
  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.PacketReceived;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceivedBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.MatchBuilder;
  27
  28 /**
  29  * Created by tkubas on 4/1/15.
  30  */
  31 public class PacketReceivedTranslator implements MessageTranslator<PacketInMessage, PacketReceived> {
  32     @Override
  33     public PacketReceived translate(PacketInMessage input, DeviceContext deviceContext, Object connectionDistinguisher) {
  34
  35         PacketReceivedBuilder packetReceivedBuilder = new PacketReceivedBuilder();
  36         BigInteger datapathId = deviceContext.getPrimaryConnectionContext().getFeatures().getDatapathId();
  37
  38         // extract the port number
  39         Long port = null;
  40         if(input.getVersion() == OFConstants.OFP_VERSION_1_0 && input.getInPort() != null) {
  41             port = input.getInPort().longValue();
  42         } else if (input.getVersion() == OFConstants.OFP_VERSION_1_3) {
  43             if (input.getMatch() != null && input.getMatch().getMatchEntry() != null) {
  44                 port = getPortNumberFromMatch(input.getMatch().getMatchEntry());
  45             }
  46         }
  47
  48         //TODO connection cookie from connection distinguisher
  49 //        packetReceivedBuilder.setConnectionCookie(new ConnectionCookie(input.getCookie().longValue()));
  50         packetReceivedBuilder.setPayload(input.getData());
  51         // get the Cookie if it exists
  52         if (input.getCookie() != null) {
  53             packetReceivedBuilder.setFlowCookie(new FlowCookie(input.getCookie()));
  54         }
  55         if(port != null) {
  56             packetReceivedBuilder.setIngress(InventoryDataServiceUtil.nodeConnectorRefFromDatapathIdPortno(datapathId, port, OpenflowVersion.get(input.getVersion())));
  57         }
  58         packetReceivedBuilder.setPacketInReason(PacketInUtil.getMdSalPacketInReason(input.getReason()));
  59
  60         if(input.getTableId() != null) {
  61             packetReceivedBuilder.setTableId(new org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableId(input.getTableId().getValue().shortValue()));
  62         }
  63
  64         if(input.getMatch() != null) {
  65             org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match packetInMatch = getPacketInMatch(input, datapathId);
  66             packetReceivedBuilder.setMatch(packetInMatch);
  67         }
  68
  69         return packetReceivedBuilder.build();
  70     }
  71
  72     private org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match getPacketInMatch(PacketInMessage input, BigInteger datapathId) {
  73         Match match = MatchConvertorImpl.fromOFMatchToSALMatch(input.getMatch(),
  74                 datapathId,
  75                 OpenflowVersion.get(input.getVersion().shortValue())).build();
  76         MatchBuilder matchBuilder = new MatchBuilder(match);
  77
  78         // FIXME: need to solve extension translator wiring and initializing
  79 //        AugmentTuple<org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match> matchExtensionWrap =
  80 //                MatchExtensionHelper.processAllExtensions(
  81 //                        input.getMatch().getMatchEntry(), OpenflowVersion.get(input.getVersion().shortValue()), MatchPath.PACKETRECEIVED_MATCH);
  82 //        if (matchExtensionWrap != null) {
  83 //            matchBuilder.addAugmentation(matchExtensionWrap.getAugmentationClass(), matchExtensionWrap.getAugmentationObject());
  84 //        }
  85         return matchBuilder.build();
  86     }
  87
  88     private Long getPortNumberFromMatch(List<MatchEntry> entries) {
  89         Long port = null;
  90         for (MatchEntry entry : entries) {
  91             InPortCase inPortCase = ((InPortCase) entry.getMatchEntryValue());
  92             org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.in.port._case.InPort inPort = inPortCase.getInPort();
  93             if (inPort != null) {
  94
  95                 if (port == null) {
  96                     port = inPort.getPortNumber().getValue();
  97                 } else {
  98 //                        LOG.warn("Multiple input ports discovered when walking through match entries (at least {} and {})",
  99 //                                port, inPort.getPortNumber().getValue());
 100                 }
 101             }
 102         }
 103         return port;
 104     }
 105 }