test-common/src/main/java/org/opendaylight/openflowplugin/testcommon/AbstractDropTest.java

   1 /**
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  * <p/>
   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.openflowjava.util.ByteBufUtils.macAddressToString;
  11
  12 import java.util.Arrays;
  13 import java.util.Collections;
  14 import java.util.List;
  15 import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.DropActionCaseBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.drop.action._case.DropAction;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.drop.action._case.DropActionBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCaseBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.apply.actions._case.ApplyActionsBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetSourceBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.EthernetMatchBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingListener;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
  37 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 abstract class AbstractDropTest implements PacketProcessingListener, AutoCloseable {
  42     private static final Logger LOG = LoggerFactory.getLogger(AbstractDropTest.class);
  43
  44     protected static final Integer PRIORITY = 4;
  45     protected static final Long BUFFER_ID = 0L;
  46     protected static final Integer HARD_TIMEOUT = 300;
  47     protected static final Integer IDLE_TIMEOUT = 240;
  48     protected static final short TABLE_ID = 0;
  49
  50     static final long STARTUP_LOOP_TICK = 500L;
  51     static final int STARTUP_LOOP_MAX_RETRIES = 8;
  52
  53     private static final AtomicIntegerFieldUpdater<AbstractDropTest> SENT_UPDATER = AtomicIntegerFieldUpdater.newUpdater(AbstractDropTest.class, "sent");
  54     private volatile int sent;
  55
  56     private static final AtomicIntegerFieldUpdater<AbstractDropTest> RCVD_UPDATER = AtomicIntegerFieldUpdater.newUpdater(AbstractDropTest.class, "rcvd");
  57     private volatile int rcvd;
  58
  59     private static final AtomicIntegerFieldUpdater<AbstractDropTest> EXCS_UPDATER = AtomicIntegerFieldUpdater.newUpdater(AbstractDropTest.class, "excs");
  60     private volatile int excs;
  61
  62     public final DropTestStats getStats() {
  63         return new DropTestStats(this.sent, this.rcvd, this.excs);
  64     }
  65
  66     public final void clearStats() {
  67         this.sent = 0;
  68         this.rcvd = 0;
  69         this.excs = 0;
  70     }
  71
  72     @Override
  73     public final void onPacketReceived(final PacketReceived notification) {
  74         LOG.debug("onPacketReceived - Entering - {}", notification);
  75
  76         RCVD_UPDATER.incrementAndGet(this);
  77
  78         try {
  79             final byte[] rawPacket = notification.getPayload();
  80             final byte[] srcMac = Arrays.copyOfRange(rawPacket, 6, 12);
  81
  82             final MatchBuilder match = new MatchBuilder();
  83             final EthernetMatchBuilder ethernetMatch = new EthernetMatchBuilder();
  84             final EthernetSourceBuilder ethSourceBuilder = new EthernetSourceBuilder();
  85
  86             //TODO: use HEX, use binary form
  87             //Hex.decodeHex("000000000001".toCharArray());
  88
  89             ethSourceBuilder.setAddress(new MacAddress(macAddressToString(srcMac)));
  90             ethernetMatch.setEthernetSource(ethSourceBuilder.build());
  91             match.setEthernetMatch(ethernetMatch.build());
  92
  93             final DropActionBuilder dab = new DropActionBuilder();
  94             final DropAction dropAction = dab.build();
  95             final ActionBuilder ab = new ActionBuilder();
  96             ab.setOrder(0);
  97             ab.setAction(new DropActionCaseBuilder().setDropAction(dropAction).build());
  98
  99             // Add our drop action to a list
 100             final List<Action> actionList = Collections.singletonList(ab.build());
 101
 102             // Create an Apply Action
 103             final ApplyActionsBuilder aab = new ApplyActionsBuilder();
 104             aab.setAction(actionList);
 105
 106             // Wrap our Apply Action in an Instruction
 107             final InstructionBuilder ib = new InstructionBuilder();
 108             ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build()).setOrder(0);
 109
 110             // Put our Instruction in a list of Instructions
 111             final InstructionsBuilder isb = new InstructionsBuilder();
 112             final List<Instruction> instructions = Collections.singletonList(ib.build());
 113             isb.setInstruction(instructions);
 114
 115             // Get the Ingress nodeConnectorRef
 116             final NodeConnectorRef ncr = notification.getIngress();
 117
 118             // Get the instance identifier for the nodeConnectorRef
 119             final InstanceIdentifier<?> ncri = ncr.getValue();
 120
 121             // Get the instanceID for the Node in the tree above us
 122             final NodeKey node = ncri.firstKeyOf(Node.class, NodeKey.class);
 123
 124             processPacket(node, match.build(), isb.build());
 125             SENT_UPDATER.incrementAndGet(this);
 126         } catch (Exception e) {
 127             // TODO Auto-generated catch block
 128             LOG.error("Failed to process packet", e);
 129             EXCS_UPDATER.incrementAndGet(this);
 130         }
 131
 132         LOG.debug("onPacketReceived - Leaving", notification);
 133     }
 134
 135     protected abstract void processPacket(NodeKey node, Match match, Instructions instructions);
 136 }