opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/FlowStatisticsConverter.java

   1
   2 /*
   3  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10 package org.opendaylight.controller.protocol_plugin.openflow.internal;
  11
  12 import java.util.ArrayList;
  13 import java.util.List;
  14
  15 import org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6StatsReply;
  16 import org.openflow.protocol.statistics.OFFlowStatisticsReply;
  17 import org.openflow.protocol.statistics.OFStatistics;
  18
  19 import org.opendaylight.controller.sal.core.Node;
  20 import org.opendaylight.controller.sal.flowprogrammer.Flow;
  21 import org.opendaylight.controller.sal.reader.FlowOnNode;
  22
  23 /**
  24  * Converts an openflow list of flow statistics in a SAL list of FlowOnNode objects
  25  *
  26  *
  27  *
  28  */
  29 public class FlowStatisticsConverter {
  30     private List<OFStatistics> ofStatsList;
  31     private List<FlowOnNode> flowOnNodeList;
  32
  33     public FlowStatisticsConverter(List<OFStatistics> statsList) {
  34         if (statsList == null) {// || statsList.isEmpty()) {
  35             this.ofStatsList = new ArrayList<OFStatistics>(1); // dummy list
  36         } else {
  37             this.ofStatsList = statsList; //new ArrayList<OFStatistics>(statsList);
  38         }
  39         this.flowOnNodeList = null;
  40     }
  41
  42     public List<FlowOnNode> getFlowOnNodeList(Node node) {
  43         if (ofStatsList != null && flowOnNodeList == null) {
  44             flowOnNodeList = new ArrayList<FlowOnNode>();
  45             FlowConverter flowConverter = null;
  46             OFFlowStatisticsReply ofFlowStat;
  47             V6StatsReply v6StatsReply;
  48             for (OFStatistics ofStat : ofStatsList) {
  49                 FlowOnNode flowOnNode = null;
  50                 if (ofStat instanceof OFFlowStatisticsReply) {
  51                     ofFlowStat = (OFFlowStatisticsReply) ofStat;
  52                     flowConverter = new FlowConverter(ofFlowStat.getMatch(),
  53                             ofFlowStat.getActions());
  54                     Flow flow = flowConverter.getFlow(node);
  55                     flow.setPriority(ofFlowStat.getPriority());
  56                     flow.setIdleTimeout(ofFlowStat.getIdleTimeout());
  57                     flow.setHardTimeout(ofFlowStat.getHardTimeout());
  58                     flowOnNode = new FlowOnNode(flow);
  59                     flowOnNode.setByteCount(ofFlowStat.getByteCount());
  60                     flowOnNode.setPacketCount(ofFlowStat.getPacketCount());
  61                     flowOnNode.setDurationSeconds(ofFlowStat
  62                             .getDurationSeconds());
  63                     flowOnNode.setDurationNanoseconds(ofFlowStat
  64                             .getDurationNanoseconds());
  65                 } else if (ofStat instanceof V6StatsReply) {
  66                     v6StatsReply = (V6StatsReply) ofStat;
  67                     flowConverter = new FlowConverter(v6StatsReply.getMatch(),
  68                             v6StatsReply.getActions());
  69                     Flow flow = flowConverter.getFlow(node);
  70                     flow.setPriority(v6StatsReply.getPriority());
  71                     flow.setIdleTimeout(v6StatsReply.getIdleTimeout());
  72                     flow.setHardTimeout(v6StatsReply.getHardTimeout());
  73                     flowOnNode = new FlowOnNode(flow);
  74                     flowOnNode.setByteCount(v6StatsReply.getByteCount());
  75                     flowOnNode.setPacketCount(v6StatsReply.getPacketCount());
  76                     flowOnNode.setDurationSeconds(v6StatsReply
  77                             .getDurationSeconds());
  78                     flowOnNode.setDurationNanoseconds(v6StatsReply
  79                             .getDurationNanoseconds());
  80                 } else {
  81                     continue;
  82                 }
  83                 flowOnNodeList.add(flowOnNode);
  84             }
  85         }
  86         return flowOnNodeList;
  87     }
  88 }