extension/openflowplugin-extension-nicira/src/main/java/org/opendaylight/openflowplugin/extension/vendor/nicira/convertor/action/ConntrackConvertor.java

   1 /*
   2  * Copyright (c) 2015 Hewlett-Packard Enterprise 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.extension.vendor.nicira.convertor.action;
  10
  11 import com.google.common.base.Preconditions;
  12 import org.opendaylight.openflowplugin.extension.api.ConvertorActionFromOFJava;
  13 import org.opendaylight.openflowplugin.extension.api.ConvertorActionToOFJava;
  14 import org.opendaylight.openflowplugin.extension.api.path.ActionPath;
  15 import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.CodecPreconditionException;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionConntrack;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionConntrackBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.conntrack.grouping.NxActionConntrack;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.conntrack.grouping.NxActionConntrackBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.NxActionConntrackGrouping;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.flows.statistics.update.flow.and.statistics.map.list.instructions.instruction.instruction.apply.actions._case.apply.actions.action.action.NxActionConntrackNotifFlowsStatisticsUpdateApplyActionsCaseBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.flows.statistics.update.flow.and.statistics.map.list.instructions.instruction.instruction.write.actions._case.write.actions.action.action.NxActionConntrackNotifFlowsStatisticsUpdateWriteActionsCaseBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.get.flow.statistics.output.flow.and.statistics.map.list.instructions.instruction.instruction.apply.actions._case.apply.actions.action.action.NxActionConntrackNotifDirectStatisticsUpdateApplyActionsCaseBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.get.flow.statistics.output.flow.and.statistics.map.list.instructions.instruction.instruction.write.actions._case.write.actions.action.action.NxActionConntrackNotifDirectStatisticsUpdateWriteActionsCaseBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.group.desc.stats.updated.group.desc.stats.buckets.bucket.action.action.NxActionConntrackNotifGroupDescStatsUpdatedCaseBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nodes.node.table.flow.instructions.instruction.instruction.write.actions._case.write.actions.action.action.NxActionConntrackNodesNodeTableFlowWriteActionsCaseBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.conntrack.grouping.NxConntrack;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.conntrack.grouping.NxConntrackBuilder;
  30
  31 /**
  32  * @author Aswin Suryanarayanan.
  33  */
  34
  35 public class ConntrackConvertor implements
  36         ConvertorActionToOFJava<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action, Action>,
  37         ConvertorActionFromOFJava<Action, ActionPath> {
  38
  39     @Override
  40     public org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action convert(final Action input, final ActionPath path) {
  41         NxActionConntrack action = ((ActionConntrack) input.getActionChoice()).getNxActionConntrack();
  42         NxConntrackBuilder builder = new NxConntrackBuilder();
  43         builder.setFlags(action.getFlags());
  44         builder.setZoneSrc(action.getZoneSrc());
  45         builder.setRecircTable(action.getRecircTable());
  46         builder.setConntrackZone(action.getConntrackZone());
  47         return resolveAction(builder.build(), path);
  48     }
  49
  50     private static int resolveStart(final int ofsNBints) {
  51         return extractSub(ofsNBints, 10, 6);
  52     }
  53
  54     private static int resolveEnd(final int ofsNBints) {
  55         int ofs = extractSub(ofsNBints, 10, 6);
  56         int nBits = extractSub(ofsNBints, 6, 0);
  57         return ofs + nBits;
  58     }
  59
  60     private static int extractSub(final int l, final int nrBits, final int offset) {
  61         final int rightShifted = l >>> offset;
  62         final int mask = (1 << nrBits) - 1;
  63         return rightShifted & mask;
  64     }
  65
  66     private static org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action resolveAction(final NxConntrack value, final ActionPath path) {
  67         switch (path) {
  68             case NODES_NODE_TABLE_FLOW_INSTRUCTIONS_INSTRUCTION_WRITEACTIONSCASE_WRITEACTIONS_ACTION_ACTION_EXTENSIONLIST_EXTENSION:
  69                 return new NxActionConntrackNodesNodeTableFlowWriteActionsCaseBuilder().setNxConntrack(value).build();
  70             case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_INSTRUCTIONS_INSTRUCTION_INSTRUCTION_WRITEACTIONSCASE_WRITEACTIONS_ACTION_ACTION:
  71                 return new NxActionConntrackNotifFlowsStatisticsUpdateWriteActionsCaseBuilder().setNxConntrack(value).build();
  72             case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_INSTRUCTIONS_INSTRUCTION_INSTRUCTION_APPLYACTIONSCASE_APPLYACTIONS_ACTION_ACTION:
  73                 return new NxActionConntrackNotifFlowsStatisticsUpdateApplyActionsCaseBuilder().setNxConntrack(value).build();
  74             case GROUPDESCSTATSUPDATED_GROUPDESCSTATS_BUCKETS_BUCKET_ACTION:
  75                 return new NxActionConntrackNotifGroupDescStatsUpdatedCaseBuilder().setNxConntrack(value).build();
  76             case RPCFLOWSSTATISTICS_FLOWANDSTATISTICSMAPLIST_INSTRUCTIONS_INSTRUCTION_INSTRUCTION_WRITEACTIONSCASE_WRITEACTIONS_ACTION_ACTION:
  77                 return new NxActionConntrackNotifDirectStatisticsUpdateWriteActionsCaseBuilder().setNxConntrack(value).build();
  78             case RPCFLOWSSTATISTICS_FLOWANDSTATISTICSMAPLIST_INSTRUCTIONS_INSTRUCTION_INSTRUCTION_APPLYACTIONSCASE_APPLYACTIONS_ACTION_ACTION:
  79                 return new NxActionConntrackNotifDirectStatisticsUpdateApplyActionsCaseBuilder().setNxConntrack(value).build();
  80             default:
  81                 throw new CodecPreconditionException(path);
  82         }
  83     }
  84
  85     @Override
  86     public Action convert(final org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action nxActionArg) {
  87         Preconditions.checkArgument(nxActionArg instanceof NxActionConntrackGrouping);
  88         NxActionConntrackGrouping nxAction = (NxActionConntrackGrouping) nxActionArg;
  89
  90         NxActionConntrackBuilder nxActionConntrackBuilder = new NxActionConntrackBuilder();
  91         nxActionConntrackBuilder.setFlags(nxAction.getNxConntrack().getFlags());
  92         nxActionConntrackBuilder.setZoneSrc(nxAction.getNxConntrack().getZoneSrc());
  93         nxActionConntrackBuilder.setRecircTable(nxAction.getNxConntrack().getRecircTable());
  94         nxActionConntrackBuilder.setConntrackZone(nxAction.getNxConntrack().getConntrackZone());
  95         ActionConntrackBuilder actionConntrackBuilder = new ActionConntrackBuilder();
  96         actionConntrackBuilder.setNxActionConntrack(nxActionConntrackBuilder.build());
  97         return ActionUtil.createAction(actionConntrackBuilder.build());
  98     }
  99
 100 }