applications/bulk-o-matic/src/main/java/org/opendaylight/openflowplugin/applications/bulk/o/matic/FlowReader.java

   1 /*
   2  * Copyright (c) 2016 Ericsson 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 package org.opendaylight.openflowplugin.applications.bulk.o.matic;
   9
  10 import com.google.common.base.Optional;
  11 import java.util.concurrent.atomic.AtomicInteger;
  12 import java.util.concurrent.atomic.AtomicLong;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public class FlowReader implements Runnable, FlowCounterMBean {
  32     private static final Logger LOG = LoggerFactory.getLogger(FlowReader.class);
  33     private final DataBroker dataBroker;
  34     private final Integer dpnCount;
  35     private final boolean verbose;
  36     private final int flowsPerDpn;
  37     private final short startTableId;
  38     private final short endTableId;
  39     private final boolean isConfigDs;
  40     private AtomicLong flowCount = new AtomicLong();
  41     private AtomicInteger readOpStatus = new AtomicInteger(FlowCounter.OperationStatus.INIT.status());
  42
  43     private FlowReader(final DataBroker dataBroker,
  44                       final Integer dpnCount,
  45                       final int flowsPerDpn,
  46                       final boolean verbose,
  47                       final boolean isConfigDs,
  48                       final short startTableId,
  49                       final short endTableId) {
  50         this.dataBroker = dataBroker;
  51         this.dpnCount = dpnCount;
  52         this.verbose = verbose;
  53         this.flowsPerDpn = flowsPerDpn;
  54         this.startTableId = startTableId;
  55         this.endTableId = endTableId;
  56         this.isConfigDs = isConfigDs;
  57     }
  58
  59     public static FlowReader getNewInstance(final DataBroker dataBroker,
  60                                       final Integer dpnCount,
  61                                       final int flowsPerDpn,
  62                                       final boolean verbose,
  63                                       final boolean isConfigDs,
  64                                       final short startTableId,
  65                                       final short endTableId) {
  66         return new FlowReader(dataBroker, dpnCount, flowsPerDpn, verbose,
  67                 isConfigDs, startTableId, endTableId);
  68     }
  69
  70     @Override
  71     public void run() {
  72         readFlowsX(dpnCount, flowsPerDpn, verbose);
  73     }
  74
  75     private void readFlowsX(Integer dpnCount, Integer flowsPerDPN, boolean verbose) {
  76         readOpStatus.set(FlowCounter.OperationStatus.IN_PROGRESS.status());
  77         for (int i = 1; i <= dpnCount; i++) {
  78             String dpId = BulkOMaticUtils.DEVICE_TYPE_PREFIX + i;
  79             for (int j = 0; j < flowsPerDPN; j++) {
  80                 short tableRollover = (short)(endTableId - startTableId + 1);
  81                 short tableId = (short) (((j) % tableRollover) + startTableId);
  82
  83                 Integer sourceIp = j + 1;
  84
  85                 String flowId = "Flow-" + dpId + "." + tableId + "." + sourceIp;
  86                 InstanceIdentifier<Flow> flowIid = getFlowInstanceIdentifier(dpId, tableId, flowId);
  87
  88                 ReadOnlyTransaction readOnlyTransaction = dataBroker.newReadOnlyTransaction();
  89                 try {
  90                     Optional<Flow> flowOptional;
  91                     if(isConfigDs) {
  92                         flowOptional = readOnlyTransaction.read(LogicalDatastoreType.CONFIGURATION, flowIid).checkedGet();
  93                     } else {
  94                         flowOptional = readOnlyTransaction.read(LogicalDatastoreType.OPERATIONAL, flowIid).checkedGet();
  95                     }
  96
  97                     if (flowOptional.isPresent()) {
  98                         flowCount.incrementAndGet();
  99                         if (verbose) {
 100                             LOG.info("Flow found: {}", flowOptional.get());
 101                         }
 102                     } else {
 103                         if (verbose) {
 104                             LOG.info("Flow: {} not found", flowIid);
 105                         }
 106                     }
 107                 } catch (ReadFailedException e) {
 108                     readOpStatus.set(FlowCounter.OperationStatus.FAILURE.status());
 109                     LOG.error(e.getMessage(), e);
 110                 }
 111             }
 112         }
 113         if(readOpStatus.get() != FlowCounter.OperationStatus.FAILURE.status()) {
 114             readOpStatus.set(FlowCounter.OperationStatus.SUCCESS.status());
 115         }
 116         LOG.info("Total Flows read: {}", flowCount);
 117     }
 118
 119     private InstanceIdentifier<Flow> getFlowInstanceIdentifier(String dpId, Short tableId, String flowId){
 120         return InstanceIdentifier.create(Nodes.class).child(Node.class, new NodeKey(new NodeId(dpId)))
 121                 .augmentation(FlowCapableNode.class)
 122                 .child(Table.class, new TableKey(tableId))
 123                 .child(Flow.class,
 124                         new FlowKey(new FlowId(flowId)));
 125     }
 126
 127     @Override
 128     public long getFlowCount() {
 129         return flowCount.get();
 130     }
 131
 132     @Override
 133     public int getReadOpStatus() {
 134         return readOpStatus.get();
 135     }
 136 }