opendaylight/adsal/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.Collections;
  13 import java.util.List;
  14
  15 import org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6StatsReply;
  16 import org.opendaylight.controller.sal.core.Node;
  17 import org.opendaylight.controller.sal.flowprogrammer.Flow;
  18 import org.opendaylight.controller.sal.reader.FlowOnNode;
  19 import org.openflow.protocol.statistics.OFFlowStatisticsReply;
  20 import org.openflow.protocol.statistics.OFStatistics;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 /**
  25  * Converts an openflow list of flow statistics in a SAL list of FlowOnNode
  26  * objects
  27  *
  28  *
  29  *
  30  */
  31 public class FlowStatisticsConverter {
  32     private static final Logger log = LoggerFactory
  33             .getLogger(FlowStatisticsConverter.class);
  34     private List<OFStatistics> ofStatsList;
  35     private List<FlowOnNode> flowOnNodeList;
  36
  37     public FlowStatisticsConverter(List<OFStatistics> statsList) {
  38         if (statsList == null) {
  39             this.ofStatsList = Collections.emptyList();
  40         } else {
  41             this.ofStatsList = 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                     flow.setId(ofFlowStat.getCookie());
  63                     flowOnNode = new FlowOnNode(flow);
  64                     flowOnNode.setByteCount(ofFlowStat.getByteCount());
  65                     flowOnNode.setPacketCount(ofFlowStat.getPacketCount());
  66                     flowOnNode.setDurationSeconds(ofFlowStat
  67                             .getDurationSeconds());
  68                     flowOnNode.setDurationNanoseconds(ofFlowStat
  69                             .getDurationNanoseconds());
  70                 } else if (ofStat instanceof V6StatsReply) {
  71                     v6StatsReply = (V6StatsReply) ofStat;
  72                     flowConverter = new FlowConverter(v6StatsReply.getMatch(),
  73                             v6StatsReply.getActions());
  74                     Flow flow = flowConverter.getFlow(node);
  75                     flow.setPriority(v6StatsReply.getPriority());
  76                     flow.setIdleTimeout(v6StatsReply.getIdleTimeout());
  77                     flow.setHardTimeout(v6StatsReply.getHardTimeout());
  78                     flow.setId(v6StatsReply.getCookie());
  79                     flowOnNode = new FlowOnNode(flow);
  80                     flowOnNode.setByteCount(v6StatsReply.getByteCount());
  81                     flowOnNode.setPacketCount(v6StatsReply.getPacketCount());
  82                     flowOnNode.setDurationSeconds(v6StatsReply
  83                             .getDurationSeconds());
  84                     flowOnNode.setDurationNanoseconds(v6StatsReply
  85                             .getDurationNanoseconds());
  86                 } else {
  87                     continue;
  88                 }
  89                 flowOnNodeList.add(flowOnNode);
  90             }
  91         }
  92         log.trace("OFStatistics: {} FlowOnNode: {}", ofStatsList,
  93                 flowOnNodeList);
  94         return flowOnNodeList;
  95     }
  96 }