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

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.controller.protocol_plugin.openflow.internal;
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13
  14 import org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6StatsReply;
  15 import org.opendaylight.controller.sal.core.Node;
  16 import org.opendaylight.controller.sal.flowprogrammer.Flow;
  17 import org.opendaylight.controller.sal.reader.FlowOnNode;
  18 import org.openflow.protocol.statistics.OFFlowStatisticsReply;
  19 import org.openflow.protocol.statistics.OFStatistics;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 /**
  24  * Converts an openflow list of flow statistics in a SAL list of FlowOnNode
  25  * objects
  26  *
  27  *
  28  *
  29  */
  30 public class FlowStatisticsConverter {
  31     private static final Logger log = LoggerFactory
  32             .getLogger(FlowStatisticsConverter.class);
  33     private List<OFStatistics> ofStatsList;
  34     private List<FlowOnNode> flowOnNodeList;
  35
  36     public FlowStatisticsConverter(List<OFStatistics> statsList) {
  37         if (statsList == null) {// || statsList.isEmpty()) {
  38             this.ofStatsList = new ArrayList<OFStatistics>(1); // dummy list
  39         } else {
  40             this.ofStatsList = statsList; // new
  41                                           // ArrayList<OFStatistics>(statsList);
  42         }
  43         this.flowOnNodeList = null;
  44     }
  45
  46     public List<FlowOnNode> getFlowOnNodeList(Node node) {
  47         if (ofStatsList != null && flowOnNodeList == null) {
  48             flowOnNodeList = new ArrayList<FlowOnNode>();
  49             FlowConverter flowConverter = null;
  50             OFFlowStatisticsReply ofFlowStat;
  51             V6StatsReply v6StatsReply;
  52             for (OFStatistics ofStat : ofStatsList) {
  53                 FlowOnNode flowOnNode = null;
  54                 if (ofStat instanceof OFFlowStatisticsReply) {
  55                     ofFlowStat = (OFFlowStatisticsReply) ofStat;
  56                     flowConverter = new FlowConverter(ofFlowStat.getMatch(),
  57                             ofFlowStat.getActions());
  58                     Flow flow = flowConverter.getFlow(node);
  59                     flow.setPriority(ofFlowStat.getPriority());
  60                     flow.setIdleTimeout(ofFlowStat.getIdleTimeout());
  61                     flow.setHardTimeout(ofFlowStat.getHardTimeout());
  62                     flowOnNode = new FlowOnNode(flow);
  63                     flowOnNode.setByteCount(ofFlowStat.getByteCount());
  64                     flowOnNode.setPacketCount(ofFlowStat.getPacketCount());
  65                     flowOnNode.setDurationSeconds(ofFlowStat
  66                             .getDurationSeconds());
  67                     flowOnNode.setDurationNanoseconds(ofFlowStat
  68                             .getDurationNanoseconds());
  69                 } else if (ofStat instanceof V6StatsReply) {
  70                     v6StatsReply = (V6StatsReply) ofStat;
  71                     flowConverter = new FlowConverter(v6StatsReply.getMatch(),
  72                             v6StatsReply.getActions());
  73                     Flow flow = flowConverter.getFlow(node);
  74                     flow.setPriority(v6StatsReply.getPriority());
  75                     flow.setIdleTimeout(v6StatsReply.getIdleTimeout());
  76                     flow.setHardTimeout(v6StatsReply.getHardTimeout());
  77                     flowOnNode = new FlowOnNode(flow);
  78                     flowOnNode.setByteCount(v6StatsReply.getByteCount());
  79                     flowOnNode.setPacketCount(v6StatsReply.getPacketCount());
  80                     flowOnNode.setDurationSeconds(v6StatsReply
  81                             .getDurationSeconds());
  82                     flowOnNode.setDurationNanoseconds(v6StatsReply
  83                             .getDurationNanoseconds());
  84                 } else {
  85                     continue;
  86                 }
  87                 flowOnNodeList.add(flowOnNode);
  88             }
  89         }
  90         log.trace("OFStatistics: {} FlowOnNode: {}", ofStatsList,
  91                 flowOnNodeList);
  92         return flowOnNodeList;
  93     }
  94 }