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

   1 /*
   2  * Copyright (c) 2016, 2017 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 final 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 final AtomicLong flowCount = new AtomicLong();
  41     private final AtomicInteger readOpStatus = new AtomicInteger(FlowCounter.OperationStatus.INIT.status());
  42
  43     private FlowReader(final DataBroker dataBroker, final Integer dpnCount, final int flowsPerDpn,
  44             final boolean verbose, final boolean isConfigDs, final short startTableId, final short endTableId) {
  45         this.dataBroker = dataBroker;
  46         this.dpnCount = dpnCount;
  47         this.verbose = verbose;
  48         this.flowsPerDpn = flowsPerDpn;
  49         this.startTableId = startTableId;
  50         this.endTableId = endTableId;
  51         this.isConfigDs = isConfigDs;
  52     }
  53
  54     public static FlowReader getNewInstance(final DataBroker dataBroker,
  55             final Integer dpnCount, final int flowsPerDpn,
  56             final boolean verbose, final boolean isConfigDs,
  57             final short startTableId, final short endTableId) {
  58         return new FlowReader(dataBroker, dpnCount,
  59                 flowsPerDpn, verbose,
  60                 isConfigDs, startTableId,
  61                 endTableId);
  62     }
  63
  64     @Override
  65     public void run() {
  66         readFlowsX();
  67     }
  68
  69     private void readFlowsX() {
  70         readOpStatus.set(FlowCounter.OperationStatus.IN_PROGRESS.status());
  71         for (int i = 1; i <= dpnCount; i++) {
  72             String dpId = BulkOMaticUtils.DEVICE_TYPE_PREFIX + i;
  73             for (int j = 0; j < flowsPerDpn; j++) {
  74                 short tableRollover = (short) (endTableId - startTableId + 1);
  75                 short tableId = (short) (j % tableRollover + startTableId);
  76
  77                 Integer sourceIp = j + 1;
  78
  79                 String flowId = "Flow-" + dpId + "." + tableId + "." + sourceIp;
  80                 InstanceIdentifier<Flow> flowIid = getFlowInstanceIdentifier(dpId, tableId, flowId);
  81
  82                 try (ReadOnlyTransaction readOnlyTransaction = dataBroker.newReadOnlyTransaction()) {
  83                     Optional<Flow> flowOptional;
  84                     if (isConfigDs) {
  85                         flowOptional = readOnlyTransaction.read(LogicalDatastoreType.CONFIGURATION, flowIid)
  86                                 .checkedGet();
  87                     } else {
  88                         flowOptional = readOnlyTransaction.read(LogicalDatastoreType.OPERATIONAL, flowIid).checkedGet();
  89                     }
  90
  91                     if (flowOptional.isPresent()) {
  92                         flowCount.incrementAndGet();
  93                         if (verbose) {
  94                             LOG.info("Flow found: {}", flowOptional.get());
  95                         }
  96                     } else {
  97                         if (verbose) {
  98                             LOG.info("Flow: {} not found", flowIid);
  99                         }
 100                     }
 101                 } catch (ReadFailedException e) {
 102                     readOpStatus.set(FlowCounter.OperationStatus.FAILURE.status());
 103                     LOG.error("Error {}", e);
 104                 }
 105             }
 106         }
 107         if (readOpStatus.get() != FlowCounter.OperationStatus.FAILURE.status()) {
 108             readOpStatus.set(FlowCounter.OperationStatus.SUCCESS.status());
 109         }
 110         LOG.info("Total Flows read: {}", flowCount);
 111     }
 112
 113     private InstanceIdentifier<Flow> getFlowInstanceIdentifier(String dpId, Short tableId, String flowId) {
 114         return InstanceIdentifier.create(Nodes.class).child(Node.class, new NodeKey(new NodeId(dpId)))
 115                 .augmentation(FlowCapableNode.class).child(Table.class, new TableKey(tableId))
 116                 .child(Flow.class, new FlowKey(new FlowId(flowId)));
 117     }
 118
 119     @Override
 120     public long getFlowCount() {
 121         return flowCount.get();
 122     }
 123
 124     @Override
 125     public int getReadOpStatus() {
 126         return readOpStatus.get();
 127     }
 128 }