test-common/src/main/java/org/opendaylight/openflowplugin/testcommon/DropTestCommiter.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 package org.opendaylight.openflowplugin.testcommon;
   9
  10 import java.util.concurrent.atomic.AtomicLong;
  11 import org.opendaylight.mdsal.binding.api.DataBroker;
  12 import org.opendaylight.mdsal.binding.api.NotificationService;
  13 import org.opendaylight.mdsal.binding.api.ReadWriteTransaction;
  14 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowModFlags;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  28 import org.opendaylight.yangtools.concepts.Registration;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.opendaylight.yangtools.yang.common.Uint64;
  31 import org.opendaylight.yangtools.yang.common.Uint8;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 /**
  36  * Provides cbench responder behavior: upon packetIn arrival addFlow action is sent out to
  37  * device using dataStore strategy (FRM involved).
  38  */
  39 public class DropTestCommiter extends AbstractDropTest {
  40     private static final Logger LOG = LoggerFactory.getLogger(DropTestCommiter.class);
  41     private static final TableKey ZERO_TABLE = new TableKey(Uint8.ZERO);
  42     private DataBroker dataService;
  43
  44     private static final AtomicLong ID_COUNTER = new AtomicLong();
  45
  46     private static final ThreadLocal<FlowBuilder> BUILDER = ThreadLocal.withInitial(() -> {
  47         final var cookie = new FlowCookie(Uint64.TEN);
  48         return new FlowBuilder()
  49             .setPriority(PRIORITY)
  50             .setBufferId(BUFFER_ID)
  51             .setCookie(cookie)
  52             .setCookieMask(cookie)
  53             .setTableId(TABLE_ID)
  54             .setHardTimeout(HARD_TIMEOUT)
  55             .setIdleTimeout(IDLE_TIMEOUT)
  56             .setFlags(new FlowModFlags(false, false, false, false, false));
  57     });
  58
  59     private NotificationService notificationService;
  60
  61     private Registration notificationRegistration;
  62
  63     /**
  64      * start listening on packetIn.
  65      */
  66     public void start() {
  67         notificationRegistration = notificationService.registerListener(PacketReceived.class, this);
  68     }
  69
  70     public void setDataService(final DataBroker dataService) {
  71         this.dataService = dataService;
  72     }
  73
  74     @Override
  75     protected void processPacket(final InstanceIdentifier<Node> node, final Match match,
  76             final Instructions instructions) {
  77
  78         // Finally build our flow
  79         final FlowBuilder fb = BUILDER.get();
  80         fb.setMatch(match);
  81         fb.setInstructions(instructions);
  82         fb.setId(new FlowId(String.valueOf(fb.hashCode()) + "." + ID_COUNTER.getAndIncrement()));
  83
  84         // Construct the flow instance id
  85         final InstanceIdentifier<Flow> flowInstanceId = node.builder()
  86                 // That is flow capable, only FlowCapableNodes have tables
  87                 .augmentation(FlowCapableNode.class)
  88                 // In the table identified by TableKey
  89                 .child(Table.class, ZERO_TABLE)
  90                 // A flow identified by flowKey
  91                 .child(Flow.class, new FlowKey(fb.getId()))
  92                 .build();
  93
  94         final Flow flow = fb.build();
  95         final ReadWriteTransaction transaction = dataService.newReadWriteTransaction();
  96
  97         if (LOG.isDebugEnabled()) {
  98             LOG.debug("onPacketReceived - About to write flow {}", flow);
  99         }
 100         transaction.mergeParentStructurePut(LogicalDatastoreType.CONFIGURATION, flowInstanceId, flow);
 101         transaction.commit();
 102         LOG.debug("onPacketReceived - About to write flow commited");
 103     }
 104
 105     @Override
 106     public void close() {
 107         super.close();
 108         LOG.debug("DropTestProvider stopped.");
 109         if (notificationRegistration != null) {
 110             notificationRegistration.close();
 111         }
 112     }
 113
 114     public void setNotificationService(final NotificationService notificationService) {
 115         this.notificationService = notificationService;
 116     }
 117 }