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  * <p/>
   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.extension.api.AugmentTuple;
  17 import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
  18 import org.opendaylight.openflowplugin.openflow.md.core.extension.MatchExtensionHelper;
  19 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.MatchConvertorImpl;
  20 import org.opendaylight.openflowplugin.openflow.md.util.InventoryDataServiceUtil;
  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.model.match.types.rev131026.Match;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.InPortCase;
  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
  31 /**
  32  * Created by tkubas on 4/1/15.
  33  */
  34 public class PacketReceivedTranslator implements MessageTranslator<PacketInMessage, PacketReceived> {
  35     @Override
  36     public PacketReceived translate(PacketInMessage input, DeviceContext deviceContext, Object connectionDistinguisher) {
  37
  38         PacketReceivedBuilder packetReceivedBuilder = new PacketReceivedBuilder();
  39         BigInteger datapathId = deviceContext.getPrimaryConnectionContext().getFeatures().getDatapathId();
  40
  41         // extract the port number
  42         Long port = null;
  43         if (input.getVersion() == OFConstants.OFP_VERSION_1_0 && input.getInPort() != null) {
  44             port = input.getInPort().longValue();
  45         } else if (input.getVersion() == OFConstants.OFP_VERSION_1_3) {
  46             if (input.getMatch() != null && input.getMatch().getMatchEntry() != null) {
  47                 port = getPortNumberFromMatch(input.getMatch().getMatchEntry());
  48             }
  49         }
  50
  51         //TODO connection cookie from connection distinguisher
  52 //        packetReceivedBuilder.setConnectionCookie(new ConnectionCookie(input.getCookie().longValue()));
  53         packetReceivedBuilder.setPayload(input.getData());
  54         // get the Cookie if it exists
  55         if (input.getCookie() != null) {
  56             packetReceivedBuilder.setFlowCookie(new FlowCookie(input.getCookie()));
  57         }
  58         if (port != null) {
  59             packetReceivedBuilder.setIngress(InventoryDataServiceUtil.nodeConnectorRefFromDatapathIdPortno(datapathId, port, OpenflowVersion.get(input.getVersion())));
  60         }
  61         packetReceivedBuilder.setPacketInReason(PacketInUtil.getMdSalPacketInReason(input.getReason()));
  62
  63         if (input.getTableId() != null) {
  64             packetReceivedBuilder.setTableId(new org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.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     private org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match getPacketInMatch(PacketInMessage input, 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
  90     private Long getPortNumberFromMatch(List<MatchEntry> entries) {
  91         Long port = null;
  92         for (MatchEntry entry : entries) {
  93             if (InPortCase.class.equals(entry.getMatchEntryValue().getImplementedInterface())) {
  94                 InPortCase inPortCase = ((InPortCase) entry.getMatchEntryValue());
  95                 org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entry.value.grouping.match.entry.value.in.port._case.InPort inPort = inPortCase.getInPort();
  96                 if (inPort != null) {
  97                     port = inPort.getPortNumber().getValue();
  98                     break;
  99                 }
 100             }
 101         }
 102         return port;
 103     }
 104 }