test-common/src/main/java/org/opendaylight/openflowplugin/testcommon/DropTestRpcSender.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 static org.opendaylight.openflowplugin.testcommon.AbstractDropTest.BUFFER_ID;
  11 import static org.opendaylight.openflowplugin.testcommon.AbstractDropTest.HARD_TIMEOUT;
  12 import static org.opendaylight.openflowplugin.testcommon.AbstractDropTest.IDLE_TIMEOUT;
  13 import static org.opendaylight.openflowplugin.testcommon.AbstractDropTest.PRIORITY;
  14 import static org.opendaylight.openflowplugin.testcommon.AbstractDropTest.TABLE_ID;
  15
  16 import java.math.BigInteger;
  17 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInput;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInputBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowModFlags;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  29 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.opendaylight.yangtools.yang.binding.NotificationListener;
  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 {@link SalFlowService} strategy
  38  */
  39 public class DropTestRpcSender extends AbstractDropTest {
  40     private static final Logger LOG = LoggerFactory.getLogger(DropTestRpcSender.class);
  41
  42     private SalFlowService flowService;
  43
  44     /**
  45      * @param flowService the flowService to set
  46      */
  47     public void setFlowService(SalFlowService flowService) {
  48         this.flowService = flowService;
  49     }
  50
  51     private static final ThreadLocal<AddFlowInputBuilder> BUILDER = new ThreadLocal<AddFlowInputBuilder>() {
  52         @Override
  53         protected AddFlowInputBuilder initialValue() {
  54             final AddFlowInputBuilder fb = new AddFlowInputBuilder();
  55
  56             fb.setPriority(PRIORITY);
  57             fb.setBufferId(BUFFER_ID);
  58
  59             final FlowCookie cookie = new FlowCookie(BigInteger.TEN);
  60             fb.setCookie(cookie);
  61             fb.setCookieMask(cookie);
  62             fb.setTableId(TABLE_ID);
  63             fb.setHardTimeout(HARD_TIMEOUT);
  64             fb.setIdleTimeout(IDLE_TIMEOUT);
  65             fb.setFlags(new FlowModFlags(false, false, false, false, false));
  66
  67             return fb;
  68         }
  69     };
  70
  71     private NotificationProviderService notificationService;
  72
  73     private ListenerRegistration<NotificationListener> notificationRegistration;
  74
  75     /**
  76      * start listening on packetIn
  77      */
  78     public void start() {
  79         notificationRegistration = notificationService.registerNotificationListener(this);
  80     }
  81
  82     @Override
  83     protected void processPacket(final NodeKey node, final Match match, final Instructions instructions) {
  84         final AddFlowInputBuilder fb = BUILDER.get();
  85
  86         // Finally build our flow
  87         fb.setMatch(match);
  88         fb.setInstructions(instructions);
  89         //fb.setId(new FlowId(Long.toString(fb.hashCode)));
  90
  91         // Construct the flow instance id
  92         final InstanceIdentifier<Node> flowInstanceId = InstanceIdentifier
  93                 // File under nodes
  94                 .builder(Nodes.class)
  95                 // A particular node identified by nodeKey
  96                 .child(Node.class, node).build();
  97         fb.setNode(new NodeRef(flowInstanceId));
  98
  99         // Add flow
 100         AddFlowInput flow = fb.build();
 101         if (LOG.isDebugEnabled()) {
 102             LOG.debug("onPacketReceived - About to write flow (via SalFlowService) {}", flow);
 103         }
 104         flowService.addFlow(flow);
 105     }
 106
 107     /**
 108      * @param notificationService
 109      */
 110     public void setNotificationService(NotificationProviderService notificationService) {
 111         this.notificationService = notificationService;
 112     }
 113
 114     @Override
 115     public void close() {
 116         try {
 117             LOG.debug("DropTestProvider stopped.");
 118             if (notificationRegistration != null) {
 119                 notificationRegistration.close();
 120             }
 121         } catch (Exception e) {
 122             LOG.error("unregistration of notification listener failed", e);
 123         }
 124     }
 125 }