test-common/src/main/java/org/opendaylight/openflowplugin/testcommon/DropTestRpcSenderImpl.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 java.util.Objects.requireNonNull;
  11
  12 import com.google.common.util.concurrent.FutureCallback;
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.MoreExecutors;
  15 import javax.annotation.PreDestroy;
  16 import javax.inject.Inject;
  17 import javax.inject.Singleton;
  18 import org.opendaylight.mdsal.binding.api.NotificationService;
  19 import org.opendaylight.mdsal.binding.api.RpcService;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlow;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInputBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowOutput;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowModFlags;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  30 import org.opendaylight.yangtools.concepts.Registration;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.opendaylight.yangtools.yang.common.RpcResult;
  33 import org.opendaylight.yangtools.yang.common.Uint64;
  34 import org.osgi.service.component.annotations.Activate;
  35 import org.osgi.service.component.annotations.Component;
  36 import org.osgi.service.component.annotations.Deactivate;
  37 import org.osgi.service.component.annotations.Reference;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 /**
  42  * Provides cbench responder behavior: upon packetIn arrival addFlow action is sent out to device using
  43  * {@link AddFlow} strategy.
  44  */
  45 @Singleton
  46 @Component(service = DropTestRpcSender.class, immediate = true)
  47 public final class DropTestRpcSenderImpl extends AbstractDropTest implements DropTestRpcSender {
  48     private static final Logger LOG = LoggerFactory.getLogger(DropTestRpcSenderImpl.class);
  49     private static final ThreadLocal<AddFlowInputBuilder> BUILDER = ThreadLocal.withInitial(() -> {
  50         final var cookie = new FlowCookie(Uint64.TEN);
  51         return new AddFlowInputBuilder()
  52             .setPriority(PRIORITY)
  53             .setBufferId(BUFFER_ID)
  54             .setCookie(cookie)
  55             .setCookieMask(cookie)
  56             .setTableId(TABLE_ID)
  57             .setHardTimeout(HARD_TIMEOUT)
  58             .setIdleTimeout(IDLE_TIMEOUT)
  59             .setFlags(new FlowModFlags(false, false, false, false, false));
  60     });
  61
  62     private final NotificationService notificationService;
  63     private final AddFlow addFlow;
  64
  65     private Registration reg = null;
  66
  67     @Inject
  68     @Activate
  69     public DropTestRpcSenderImpl(@Reference final NotificationService notificationService,
  70             @Reference final RpcService rpcService) {
  71         this.notificationService = requireNonNull(notificationService);
  72         addFlow = rpcService.getRpc(AddFlow.class);
  73     }
  74
  75     @PreDestroy
  76     @Deactivate
  77     @Override
  78     public void close() {
  79         stop();
  80         super.close();
  81         LOG.debug("DropTestProvider terminated");
  82     }
  83
  84     @Override
  85     public synchronized boolean start() {
  86         if (reg != null) {
  87             return false;
  88         }
  89         reg = notificationService.registerListener(PacketReceived.class, this);
  90         LOG.debug("DropTestProvider started");
  91         return true;
  92     }
  93
  94     @Override
  95     public synchronized boolean stop() {
  96         if (reg == null) {
  97             return false;
  98         }
  99         reg.close();
 100         reg = null;
 101         LOG.debug("DropTestProvider stopped");
 102         return true;
 103     }
 104
 105     @Override
 106     protected void processPacket(final InstanceIdentifier<Node> node, final Match match,
 107             final Instructions instructions) {
 108         final AddFlowInputBuilder fb = BUILDER.get();
 109
 110         // Finally build our flow
 111         fb.setMatch(match);
 112         fb.setInstructions(instructions);
 113
 114         // Construct the flow instance id
 115
 116         fb.setNode(new NodeRef(node));
 117
 118         // Add flow
 119         final var flow = fb.build();
 120         LOG.debug("onPacketReceived - About to write flow (via SalFlowService) {}", flow);
 121         Futures.addCallback(addFlow.invoke(flow), new FutureCallback<RpcResult<AddFlowOutput>>() {
 122             @Override
 123             public void onSuccess(final RpcResult<AddFlowOutput> result) {
 124                 countFutureSuccess();
 125             }
 126
 127             @Override
 128             public void onFailure(final Throwable throwable) {
 129                 countFutureError();
 130             }
 131         }, MoreExecutors.directExecutor());
 132     }
 133 }