2 * Copyright (c) 2014 Cisco Systems, Inc. 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
8 package org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.action;
10 import com.google.common.base.Preconditions;
11 import org.opendaylight.openflowplugin.extension.api.ConvertorActionFromOFJava;
12 import org.opendaylight.openflowplugin.extension.api.ConvertorActionToOFJava;
13 import org.opendaylight.openflowplugin.extension.api.path.ActionPath;
14 import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.CodecPreconditionException;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionRegLoad;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionRegLoadBuilder;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.reg.load.grouping.NxActionRegLoad;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.reg.load.grouping.NxActionRegLoadBuilder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.NxActionRegLoadGrouping;
21 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.NxActionRegLoadNotifFlowsStatisticsUpdateApplyActionsCaseBuilder;
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.write.actions._case.write.actions.action.action.NxActionRegLoadNotifFlowsStatisticsUpdateWriteActionsCaseBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.group.desc.stats.updated.group.desc.stats.buckets.bucket.action.action.NxActionRegLoadNotifGroupDescStatsUpdatedCaseBuilder;
24 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.NxActionRegLoadNodesNodeTableFlowWriteActionsCaseBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.load.grouping.NxRegLoad;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.load.grouping.NxRegLoadBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.load.grouping.nx.reg.load.Dst;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.load.grouping.nx.reg.load.DstBuilder;
33 public class RegLoadConvertor implements
34 ConvertorActionToOFJava<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action, Action>,
35 ConvertorActionFromOFJava<Action, ActionPath> {
38 public org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action convert(final Action input, final ActionPath path) {
39 NxActionRegLoad actionRegLoad = ((ActionRegLoad) input.getActionChoice()).getNxActionRegLoad();
40 DstBuilder dstBuilder = new DstBuilder();
41 dstBuilder.setDstChoice(RegMoveConvertor.resolveDst(actionRegLoad.getDst()));
42 dstBuilder.setStart(resolveStart(actionRegLoad.getOfsNbits()));
43 dstBuilder.setEnd(resolveEnd(actionRegLoad.getOfsNbits()));
44 NxRegLoadBuilder nxRegLoadBuilder = new NxRegLoadBuilder();
45 nxRegLoadBuilder.setDst(dstBuilder.build());
46 nxRegLoadBuilder.setValue(actionRegLoad.getValue());
47 return resolveAction(nxRegLoadBuilder.build(), path);
50 private static int resolveStart(final int ofsNBints) {
51 return extractSub(ofsNBints, 10, 6);
54 private static int resolveEnd(final int ofsNBints) {
55 int ofs = extractSub(ofsNBints, 10, 6);
56 int nBits = extractSub(ofsNBints, 6, 0);
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;
66 private static org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action resolveAction(final NxRegLoad value,
67 final ActionPath path) {
69 case NODES_NODE_TABLE_FLOW_INSTRUCTIONS_INSTRUCTION_WRITEACTIONSCASE_WRITEACTIONS_ACTION_ACTION_EXTENSIONLIST_EXTENSION:
70 return new NxActionRegLoadNodesNodeTableFlowWriteActionsCaseBuilder().setNxRegLoad(value).build();
71 case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_INSTRUCTIONS_INSTRUCTION_INSTRUCTION_WRITEACTIONSCASE_WRITEACTIONS_ACTION_ACTION:
72 return new NxActionRegLoadNotifFlowsStatisticsUpdateWriteActionsCaseBuilder().setNxRegLoad(value).build();
73 case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_INSTRUCTIONS_INSTRUCTION_INSTRUCTION_APPLYACTIONSCASE_APPLYACTIONS_ACTION_ACTION:
74 return new NxActionRegLoadNotifFlowsStatisticsUpdateApplyActionsCaseBuilder().setNxRegLoad(value).build();
75 case GROUPDESCSTATSUPDATED_GROUPDESCSTATS_BUCKETS_BUCKET_ACTION:
76 return new NxActionRegLoadNotifGroupDescStatsUpdatedCaseBuilder().setNxRegLoad(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 NxActionRegLoadGrouping);
86 NxActionRegLoadGrouping nxAction = (NxActionRegLoadGrouping) nxActionArg;
87 Dst dst = nxAction.getNxRegLoad().getDst();
90 ActionRegLoadBuilder actionRegLoadBuilder = new ActionRegLoadBuilder();
91 NxActionRegLoadBuilder nxActionRegLoadBuilder = new NxActionRegLoadBuilder();
92 nxActionRegLoadBuilder.setDst(RegMoveConvertor.resolveDst(dst.getDstChoice()));
93 nxActionRegLoadBuilder.setOfsNbits((dst.getStart() << 6) | (dst.getEnd() - dst.getStart()));
94 nxActionRegLoadBuilder.setValue(nxAction.getNxRegLoad().getValue());
95 actionRegLoadBuilder.setNxActionRegLoad(nxActionRegLoadBuilder.build());
96 return ActionUtil.createAction(actionRegLoadBuilder.build());