/**
* Copyright (c) 2015 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.impl.translator;
import com.google.common.annotations.VisibleForTesting;
import java.math.BigInteger;
import java.util.Optional;
import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
import org.opendaylight.openflowplugin.api.openflow.device.MessageTranslator;
import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
import org.opendaylight.openflowplugin.extension.api.AugmentTuple;
import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
import org.opendaylight.openflowplugin.impl.util.NodeConnectorRefToPortTranslator;
import org.opendaylight.openflowplugin.openflow.md.core.extension.MatchExtensionHelper;
import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionDatapathIdConvertorData;
import org.opendaylight.openflowplugin.openflow.md.util.PacketInUtil;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceivedBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.MatchBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableId;
/**
* Created by tkubas on 4/1/15.
*/
public class PacketReceivedTranslator implements MessageTranslator<PacketInMessage, PacketReceived> {
private final ConvertorExecutor convertorExecutor;
public PacketReceivedTranslator(ConvertorExecutor convertorExecutor) {
this.convertorExecutor = convertorExecutor;
}
@Override
public PacketReceived translate(final PacketInMessage input, final DeviceInfo deviceInfo, final Object connectionDistinguisher) {
PacketReceivedBuilder packetReceivedBuilder = new PacketReceivedBuilder();
BigInteger datapathId = deviceInfo.getDatapathId();
// TODO: connection cookie from connection distinguisher
packetReceivedBuilder.setPayload(input.getData());
// get the Cookie if it exists
if (input.getCookie() != null) {
packetReceivedBuilder.setFlowCookie(new FlowCookie(input.getCookie()));
}
// Try to create the NodeConnectorRef
BigInteger dataPathId = deviceInfo.getDatapathId();
NodeConnectorRef nodeConnectorRef = NodeConnectorRefToPortTranslator.toNodeConnectorRef(input, dataPathId);
// If we was able to create NodeConnectorRef, use it
if (nodeConnectorRef != null) {
packetReceivedBuilder.setIngress(nodeConnectorRef);
}
packetReceivedBuilder.setPacketInReason(PacketInUtil.getMdSalPacketInReason(input.getReason()));
if (input.getTableId() != null) {
packetReceivedBuilder.setTableId(new TableId(input.getTableId().getValue().shortValue()));
}
if (input.getMatch() != null) {
org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match packetInMatch = getPacketInMatch(input, datapathId);
packetReceivedBuilder.setMatch(packetInMatch);
}
return packetReceivedBuilder.build();
}
@VisibleForTesting
org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match getPacketInMatch(final PacketInMessage input, final BigInteger datapathId) {
final VersionDatapathIdConvertorData datapathIdConvertorData = new VersionDatapathIdConvertorData(input.getVersion());
datapathIdConvertorData.setDatapathId(datapathId);
final Optional<org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder> matchOptional = convertorExecutor.convert(input.getMatch(), datapathIdConvertorData);
final MatchBuilder matchBuilder = matchOptional.isPresent() ?
new MatchBuilder(matchOptional.get().build()) :
new MatchBuilder();
final AugmentTuple<org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.packet.received.Match> matchExtensionWrap =
MatchExtensionHelper.processAllExtensions(
input.getMatch().getMatchEntry(),
OpenflowVersion.get(input.getVersion()),
MatchPath.PACKETRECEIVED_MATCH);
if (matchExtensionWrap != null) {
matchBuilder.addAugmentation(matchExtensionWrap.getAugmentationClass(), matchExtensionWrap.getAugmentationObject());
}
return matchBuilder.build();
}
}