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 com.google.common.util.concurrent.FutureCallback;
  11 import com.google.common.util.concurrent.Futures;
  12 import com.google.common.util.concurrent.JdkFutureAdapters;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import java.math.BigInteger;
  15 import java.util.concurrent.Callable;
  16 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  17 import org.opendaylight.openflowplugin.common.wait.SimpleTaskRetryLooper;
  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.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * provides cbench responder behavior: upon packetIn arrival addFlow action is sent out to
  36  * device using {@link SalFlowService} strategy
  37  */
  38 public class DropTestRpcSender extends AbstractDropTest {
  39     private static final Logger LOG = LoggerFactory.getLogger(DropTestRpcSender.class);
  40     private static final InstanceIdentifier<Nodes> NODES_IDENTIFIER = InstanceIdentifier.create(Nodes.class);
  41
  42     private SalFlowService flowService;
  43
  44     /**
  45      * @param flowService the flowService to set
  46      */
  47     public void setFlowService(final 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 NotificationService notificationService;
  72
  73     private ListenerRegistration<DropTestRpcSender> notificationRegistration;
  74
  75     /**
  76      * start listening on packetIn
  77      */
  78     public void start() {
  79         final SimpleTaskRetryLooper looper = new SimpleTaskRetryLooper(STARTUP_LOOP_TICK,
  80                 STARTUP_LOOP_MAX_RETRIES);
  81         try {
  82             notificationRegistration = looper.loopUntilNoException(new Callable<ListenerRegistration<DropTestRpcSender>>() {
  83                 @Override
  84                 public ListenerRegistration<DropTestRpcSender> call() throws Exception {
  85                     return notificationService.registerNotificationListener(DropTestRpcSender.this);
  86                 }
  87             });
  88         } catch (final Exception e) {
  89             LOG.warn("DropTest sender notification listener registration fail!");
  90             LOG.debug("DropTest sender notification listener registration fail! ..", e);
  91             throw new IllegalStateException("DropTest startup fail! Try again later.", e);
  92         }
  93     }
  94
  95     @Override
  96     protected void processPacket(final NodeKey node, final Match match, final Instructions instructions) {
  97         final AddFlowInputBuilder fb = BUILDER.get();
  98
  99         // Finally build our flow
 100         fb.setMatch(match);
 101         fb.setInstructions(instructions);
 102
 103         // Construct the flow instance id
 104         final InstanceIdentifier<Node> flowInstanceId = NODES_IDENTIFIER.child(Node.class, node);
 105         fb.setNode(new NodeRef(flowInstanceId));
 106
 107         // Add flow
 108         final AddFlowInput flow = fb.build();
 109         if (LOG.isDebugEnabled()) {
 110             LOG.debug("onPacketReceived - About to write flow (via SalFlowService) {}", flow);
 111         }
 112         ListenableFuture result = JdkFutureAdapters.listenInPoolThread(flowService.addFlow(flow));
 113         Futures.addCallback(result, new FutureCallback() {
 114             @Override
 115             public void onSuccess(final Object o) {
 116                 countFutureSuccess();
 117             }
 118
 119             @Override
 120             public void onFailure(final Throwable throwable) {
 121                 countFutureError();
 122             }
 123         });
 124     }
 125
 126     /**
 127      * @param notificationService
 128      */
 129     public void setNotificationService(final NotificationService notificationService) {
 130         this.notificationService = notificationService;
 131     }
 132
 133     @Override
 134     public void close() {
 135         super.close();
 136         try {
 137             LOG.debug("DropTestProvider stopped.");
 138             if (notificationRegistration != null) {
 139                 notificationRegistration.close();
 140             }
 141         } catch (final Exception e) {
 142             LOG.warn("unregistration of notification listener failed: {}", e.getMessage());
 143             LOG.debug("unregistration of notification listener failed.. ", e);
 144         }
 145     }
 146 }