2 * Copyright (c) 2014, 2015 SDN Hub, LLC. and others. All rights reserved.
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
9 package org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.action;
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.ActionMultipath;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionMultipathBuilder;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.multipath.grouping.NxActionMultipath;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.multipath.grouping.NxActionMultipathBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.NxActionMultipathGrouping;
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.NxActionMultipathNotifFlowsStatisticsUpdateApplyActionsCaseBuilder;
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.NxActionMultipathNotifFlowsStatisticsUpdateWriteActionsCaseBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.group.desc.stats.updated.group.desc.stats.buckets.bucket.action.action.NxActionMultipathNotifGroupDescStatsUpdatedCaseBuilder;
25 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.NxActionMultipathNodesNodeTableFlowWriteActionsCaseBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.multipath.grouping.NxMultipath;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.multipath.grouping.NxMultipathBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.multipath.grouping.nx.multipath.Dst;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.multipath.grouping.nx.multipath.DstBuilder;
31 public class MultipathConvertor implements
32 ConvertorActionToOFJava<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action, Action>,
33 ConvertorActionFromOFJava<Action, ActionPath> {
36 public org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action convert(final Action input, final ActionPath path) {
37 NxActionMultipath action = ((ActionMultipath) input.getActionChoice()).getNxActionMultipath();
38 DstBuilder dstBuilder = new DstBuilder();
39 dstBuilder.setDstChoice(RegMoveConvertor.resolveDst(action.getDst()));
40 dstBuilder.setStart(resolveStart(action.getOfsNbits()));
41 dstBuilder.setEnd(resolveEnd(action.getOfsNbits()));
42 NxMultipathBuilder builder = new NxMultipathBuilder();
43 builder.setBasis(action.getBasis());
44 builder.setAlgorithm(action.getAlgorithm());
45 builder.setMaxLink(action.getMaxLink());
46 builder.setArg(action.getArg());
47 builder.setDst(dstBuilder.build());
48 return resolveAction(builder.build(), path);
51 private static int resolveStart(final int ofsNBints) {
52 return extractSub(ofsNBints, 10, 6);
55 private static int resolveEnd(final int ofsNBints) {
56 int ofs = extractSub(ofsNBints, 10, 6);
57 int nBits = extractSub(ofsNBints, 6, 0);
61 private static int extractSub(final int l, final int nrBits, final int offset) {
62 final int rightShifted = l >>> offset;
63 final int mask = (1 << nrBits) - 1;
64 return rightShifted & mask;
67 private static org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action resolveAction(final NxMultipath value, final ActionPath path) {
69 case NODES_NODE_TABLE_FLOW_INSTRUCTIONS_INSTRUCTION_WRITEACTIONSCASE_WRITEACTIONS_ACTION_ACTION_EXTENSIONLIST_EXTENSION:
70 return new NxActionMultipathNodesNodeTableFlowWriteActionsCaseBuilder().setNxMultipath(value).build();
71 case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_INSTRUCTIONS_INSTRUCTION_INSTRUCTION_WRITEACTIONSCASE_WRITEACTIONS_ACTION_ACTION:
72 return new NxActionMultipathNotifFlowsStatisticsUpdateWriteActionsCaseBuilder().setNxMultipath(value).build();
73 case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_INSTRUCTIONS_INSTRUCTION_INSTRUCTION_APPLYACTIONSCASE_APPLYACTIONS_ACTION_ACTION:
74 return new NxActionMultipathNotifFlowsStatisticsUpdateApplyActionsCaseBuilder().setNxMultipath(value).build();
75 case GROUPDESCSTATSUPDATED_GROUPDESCSTATS_BUCKETS_BUCKET_ACTION:
76 return new NxActionMultipathNotifGroupDescStatsUpdatedCaseBuilder().setNxMultipath(value).build();
78 throw new CodecPreconditionException(path);
83 public Action convert(final org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action nxActionArg) {
84 Preconditions.checkArgument(nxActionArg instanceof NxActionMultipathGrouping);
85 NxActionMultipathGrouping nxAction = (NxActionMultipathGrouping) nxActionArg;
87 NxActionMultipathBuilder nxActionMultipathBuilder = new NxActionMultipathBuilder();
88 nxActionMultipathBuilder.setFields(nxAction.getNxMultipath().getFields());
89 nxActionMultipathBuilder.setBasis(nxAction.getNxMultipath().getBasis());
90 nxActionMultipathBuilder.setAlgorithm(nxAction.getNxMultipath().getAlgorithm());
91 nxActionMultipathBuilder.setMaxLink(nxAction.getNxMultipath().getMaxLink());
92 nxActionMultipathBuilder.setArg(nxAction.getNxMultipath().getArg());
93 Dst dst = nxAction.getNxMultipath().getDst();
94 nxActionMultipathBuilder.setOfsNbits((dst.getStart() << 6) | (dst.getEnd() - dst.getStart()));
95 nxActionMultipathBuilder.setDst(RegMoveConvertor.resolveDst(dst.getDstChoice()));
96 ActionMultipathBuilder actionMultipathBuilder = new ActionMultipathBuilder();
97 actionMultipathBuilder.setNxActionMultipath(nxActionMultipathBuilder.build());
98 return ActionUtil.createAction(actionMultipathBuilder.build());