/**
* Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.match;
import com.google.common.base.Optional;
import java.util.Objects;
import org.opendaylight.openflowjava.nx.NiciraMatchCodecs;
import org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava;
import org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava;
import org.opendaylight.openflowplugin.extension.api.ExtensionAugment;
import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.CodecPreconditionException;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.MatchField;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.reg.grouping.RegValuesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.RegCaseValue;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.RegCaseValueBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.ExtensionKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.grouping.Extension;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketIn;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketInBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemoved;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemovedBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifUpdateFlowStats;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifUpdateFlowStatsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStats;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStatsBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg0Key;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg1Key;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg2Key;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg3Key;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg4Key;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg5Key;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg6Key;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg7Key;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxRegGrouping;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.reg.grouping.NxmNxReg;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.reg.grouping.NxmNxRegBuilder;
import org.opendaylight.yangtools.yang.binding.Augmentation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author msunal
*/
public class RegConvertor implements ConvertorToOFJava<MatchEntry>, ConvertorFromOFJava<MatchEntry, MatchPath> {
private final static Logger LOG = LoggerFactory.getLogger(RegConvertor.class);
/*
* (non-Javadoc)
*
* @see
* org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava#convert
* (org.opendaylight.yangtools.yang.binding.DataContainer,
* org.opendaylight.openflowplugin.extension.api.path.AugmentationPath)
*/
@SuppressWarnings("unchecked")
@Override
public ExtensionAugment<? extends Augmentation<Extension>> convert(MatchEntry input, MatchPath path) {
NxmNxRegBuilder nxRegBuilder = new NxmNxRegBuilder();
if (!org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg.class
.isAssignableFrom(input.getOxmMatchField())) {
String msg = input.getOxmMatchField()
+ " does not implement "
+ org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg.class;
LOG.warn(msg);
throw new IllegalStateException(msg);
}
nxRegBuilder
.setReg((Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg>) input
.getOxmMatchField());
RegCaseValue regCaseValue = ((RegCaseValue) input.getMatchEntryValue());
nxRegBuilder.setValue(regCaseValue.getRegValues().getValue());
if (input.isHasMask()) {
nxRegBuilder.setMask(regCaseValue.getRegValues().getMask());
}
return resolveAugmentation(nxRegBuilder.build(), path, resolveRegKey(input.getOxmMatchField()));
}
private static Class<? extends ExtensionKey> resolveRegKey(Class<? extends MatchField> oxmMatchField) {
if (NiciraMatchCodecs.REG0_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
return NxmNxReg0Key.class;
}
if (NiciraMatchCodecs.REG1_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
return NxmNxReg1Key.class;
}
if (NiciraMatchCodecs.REG2_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
return NxmNxReg2Key.class;
}
if (NiciraMatchCodecs.REG3_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
return NxmNxReg3Key.class;
}
if (NiciraMatchCodecs.REG4_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
return NxmNxReg4Key.class;
}
if (NiciraMatchCodecs.REG5_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
return NxmNxReg5Key.class;
}
if (NiciraMatchCodecs.REG6_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
return NxmNxReg6Key.class;
}
if (NiciraMatchCodecs.REG7_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
return NxmNxReg7Key.class;
}
throw new CodecPreconditionException("There is no key for " + oxmMatchField);
}
private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(NxmNxReg nxmNxReg,
MatchPath path, Class<? extends ExtensionKey> key) {
switch (path) {
case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_MATCH:
return new ExtensionAugment<>(NxAugMatchNotifUpdateFlowStats.class,
new NxAugMatchNotifUpdateFlowStatsBuilder().setNxmNxReg(nxmNxReg).build(), key);
case RPCFLOWSSTATISTICS_FLOWANDSTATISTICSMAPLIST_MATCH:
return new ExtensionAugment<>(NxAugMatchRpcGetFlowStats.class,
new NxAugMatchRpcGetFlowStatsBuilder().setNxmNxReg(nxmNxReg).build(), key);
case PACKETRECEIVED_MATCH:
return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class, new NxAugMatchNotifPacketInBuilder()
.setNxmNxReg(nxmNxReg).build(), key);
case SWITCHFLOWREMOVED_MATCH:
return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmNxReg(nxmNxReg).build(), key);
default:
throw new CodecPreconditionException(path);
}
}
/*
* (non-Javadoc)
*
* @see
* org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava#convert
* (org
* .opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general
* .rev140714.general.extension.grouping.Extension)
*/
@Override
public MatchEntry convert(Extension extension) {
Optional<NxmNxRegGrouping> matchGrouping = MatchUtil.regResolver.getExtension(extension);
if (!matchGrouping.isPresent()) {
throw new CodecPreconditionException(extension);
}
NxmNxReg nxmNxReg = matchGrouping.get().getNxmNxReg();
RegValuesBuilder regValuesBuilder = new RegValuesBuilder()
.setValue(nxmNxReg.getValue())
.setMask(nxmNxReg.getMask());
RegCaseValueBuilder regCaseValueBuilder = new RegCaseValueBuilder();
regCaseValueBuilder.setRegValues(regValuesBuilder.build());
return MatchUtil.createDefaultMatchEntryBuilder(nxmNxReg.getReg(),
Nxm1Class.class,
regCaseValueBuilder.build())
.setHasMask(Objects.nonNull(nxmNxReg.getMask()))
.build();
}
}