/*
* 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.statistics.services.compatibility;
import com.google.common.base.Preconditions;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.FlowStatsResponseConvertorData;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowsStatisticsUpdate;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowsStatisticsUpdateBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.and.statistics.map.list.FlowAndStatisticsMapList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyFlowCase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.flow._case.MultipartReplyFlow;
/**
* pulled out flow stats to notification transformation
*/
public class FlowStatisticsToNotificationTransformer {
private FlowStatisticsToNotificationTransformer() {
// Hide implicit constructor
}
/**
* @param mpResult raw multipart response from device
* @param deviceInfo device state
* @param ofVersion device version
* @param emulatedTxId
* @param convertorExecutor
* @return notification containing flow stats
*/
public static FlowsStatisticsUpdate transformToNotification(final List<MultipartReply> mpResult,
final DeviceInfo deviceInfo,
final OpenflowVersion ofVersion,
final TransactionId emulatedTxId,
final ConvertorExecutor convertorExecutor) {
final FlowStatsResponseConvertorData data = new FlowStatsResponseConvertorData(ofVersion.getVersion());
data.setDatapathId(deviceInfo.getDatapathId());
data.setMatchPath(MatchPath.FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_MATCH);
final FlowsStatisticsUpdateBuilder notification = new FlowsStatisticsUpdateBuilder();
final List<FlowAndStatisticsMapList> statsList = new ArrayList<>();
notification.setId(deviceInfo.getNodeId());
notification.setFlowAndStatisticsMapList(statsList);
notification.setMoreReplies(Boolean.FALSE);
notification.setTransactionId(emulatedTxId);
for (MultipartReply mpRawReply : mpResult) {
Preconditions.checkArgument(MultipartType.OFPMPFLOW.equals(mpRawReply.getType()));
MultipartReplyFlowCase caseBody = (MultipartReplyFlowCase) mpRawReply.getMultipartReplyBody();
MultipartReplyFlow replyBody = caseBody.getMultipartReplyFlow();
final Optional<List<FlowAndStatisticsMapList>> outStatsItem =
convertorExecutor.convert(replyBody.getFlowStats(), data);
if (outStatsItem.isPresent()) {
statsList.addAll(outStatsItem.get());
}
}
return notification.build();
}
}