Examples with MplsLabel org.onlab.packet.MplsLabel used on opensource projects

Example 1 with MplsLabel

use of org.onlab.packet.MplsLabel in project onos by opennetworkinglab.

the class PiCriterionTranslatorsTest method testMplsCriterion.

@Test
public void testMplsCriterion() throws Exception {
    MplsLabel mplsLabel = MplsLabel.mplsLabel(random.nextInt(1 << 20));
    int bitWidth = 32;
    MplsCriterion criterion = (MplsCriterion) Criteria.matchMplsLabel(mplsLabel);
    PiExactFieldMatch exactMatch = (PiExactFieldMatch) translateCriterion(criterion, fieldId, EXACT, bitWidth);
    assertThat(exactMatch.value().asReadOnlyBuffer().getInt(), is(criterion.label().toInt()));
}

Example 2 with MplsLabel

use of org.onlab.packet.MplsLabel in project onos by opennetworkinglab.

the class PathIntentCompilerTest method verifyMplsEncapTreatment.

private MplsLabel verifyMplsEncapTreatment(TrafficTreatment trafficTreatment, ConnectPoint egress, boolean isIngress, boolean isEgress) {
    Set<Instructions.OutputInstruction> ruleOutput = trafficTreatment.allInstructions().stream().filter(treat -> treat instanceof Instructions.OutputInstruction).map(treat -> (Instructions.OutputInstruction) treat).collect(Collectors.toSet());
    assertThat(ruleOutput, hasSize(1));
    assertThat((ruleOutput.iterator().next()).port(), is(egress.port()));
    MplsLabel mplsToEncap = MplsLabel.mplsLabel(0);
    if (isIngress && !isEgress) {
        Set<L2ModificationInstruction.ModMplsLabelInstruction> mplsRules = trafficTreatment.allInstructions().stream().filter(treat -> treat instanceof L2ModificationInstruction.ModMplsLabelInstruction).map(x -> (L2ModificationInstruction.ModMplsLabelInstruction) x).collect(Collectors.toSet());
        assertThat(mplsRules, hasSize(1));
        L2ModificationInstruction.ModMplsLabelInstruction mplsRule = mplsRules.iterator().next();
        assertThat(mplsRule.label().toInt(), greaterThan(0));
        assertThat(mplsRule.label().toInt(), lessThan(MplsLabel.MAX_MPLS));
        mplsToEncap = mplsRule.label();
    } else if (!isIngress && !isEgress) {
        Set<L2ModificationInstruction.ModMplsLabelInstruction> mplsRules = trafficTreatment.allInstructions().stream().filter(treat -> treat instanceof L2ModificationInstruction.ModMplsLabelInstruction).map(x -> (L2ModificationInstruction.ModMplsLabelInstruction) x).collect(Collectors.toSet());
        assertThat(mplsRules, hasSize(1));
        L2ModificationInstruction.ModMplsLabelInstruction mplsRule = mplsRules.iterator().next();
        assertThat(mplsRule.label().toInt(), greaterThan(0));
        assertThat(mplsRule.label().toInt(), lessThan(MplsLabel.MAX_MPLS));
        mplsToEncap = mplsRule.label();
    } else {
        assertThat(trafficTreatment.allInstructions().stream().filter(treat -> treat instanceof L2ModificationInstruction.ModMplsLabelInstruction).collect(Collectors.toSet()), hasSize(0));
        assertThat(trafficTreatment.allInstructions().stream().filter(treat -> treat instanceof L2ModificationInstruction.ModMplsHeaderInstruction).collect(Collectors.toSet()), hasSize(1));
    }
    return mplsToEncap;
}

Example 3 with MplsLabel

use of org.onlab.packet.MplsLabel in project onos by opennetworkinglab.

the class PathIntentCompilerTest method testMplsEncapCompile.

/**
 * Tests the compilation behavior of the path intent compiler in case of
 * encasulation costraint {@link EncapsulationConstraint}.
 */
@Test
public void testMplsEncapCompile() {
    sut.activate();
    List<Intent> compiled = sut.compile(constraintMplsIntent, Collections.emptyList());
    assertThat(compiled, hasSize(1));
    Collection<FlowRule> rules = ((FlowRuleIntent) compiled.get(0)).flowRules();
    assertThat(rules, hasSize(3));
    FlowRule rule1 = rules.stream().filter(x -> x.deviceId().equals(d1p0.deviceId())).findFirst().get();
    verifyIdAndPriority(rule1, d1p0.deviceId());
    assertThat(rule1.selector(), is(DefaultTrafficSelector.builder(selector).matchInPort(d1p0.port()).build()));
    MplsLabel mplsLabelToEncap = verifyMplsEncapTreatment(rule1.treatment(), d1p1, true, false);
    FlowRule rule2 = rules.stream().filter(x -> x.deviceId().equals(d2p0.deviceId())).findFirst().get();
    verifyIdAndPriority(rule2, d2p0.deviceId());
    verifyMplsEncapSelector(rule2.selector(), d2p0, mplsLabelToEncap);
    mplsLabelToEncap = verifyMplsEncapTreatment(rule2.treatment(), d2p1, false, false);
    FlowRule rule3 = rules.stream().filter(x -> x.deviceId().equals(d3p0.deviceId())).findFirst().get();
    verifyIdAndPriority(rule3, d3p1.deviceId());
    verifyMplsEncapSelector(rule3.selector(), d3p1, mplsLabelToEncap);
    verifyMplsEncapTreatment(rule3.treatment(), d3p0, false, true);
    sut.deactivate();
}

Example 4 with MplsLabel

use of org.onlab.packet.MplsLabel in project onos by opennetworkinglab.

the class LabelAllocatorTest method testRandomBehaviorMinSwap.

/**
 * To test the random behavior. Using MIN_SWAP optimization
 */
@Test
public void testRandomBehaviorMinSwap() {
    // By default Random is the selection behavior used
    assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class));
    // Change to MIN_SWAP
    this.allocator.setOptLabelSelection(minswap);
    assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.MIN_SWAP);
    // Filter reservations
    this.resourceService.filterAssignment = true;
    // We change the available Ids
    this.resourceService.availableMplsLabels = ImmutableSet.of(1, 2, 3, 4, 5, 6, 7, 8);
    // First allocation on a subset of links
    Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks(ImmutableSet.copyOf(links2.subList(2, 3)), IntentId.valueOf(idGenerator.getNewId()), EncapsulationType.MPLS);
    Identifier<?> id = allocation.get(LinkKey.linkKey(d3p0, d4p1));
    // value has to be a MPLS label
    assertThat(id, instanceOf(MplsLabel.class));
    // value should not be a forbidden value
    MplsLabel mplsLabel = (MplsLabel) id;
    assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS);
    // We test the behavior for MPLS
    allocation = this.allocator.assignLabelToLinks(ImmutableSet.copyOf(links2.subList(1, 4)), IntentId.valueOf(idGenerator.getNewId()), EncapsulationType.MPLS);
    id = allocation.get(LinkKey.linkKey(d1p1, d3p1));
    assertThat(id, instanceOf(MplsLabel.class));
    mplsLabel = (MplsLabel) id;
    assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS);
    id = allocation.get(LinkKey.linkKey(d3p0, d4p1));
    assertThat(id, instanceOf(MplsLabel.class));
    mplsLabel = (MplsLabel) id;
    assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS);
    id = allocation.get(LinkKey.linkKey(d4p0, d2p1));
    assertThat(id, instanceOf(MplsLabel.class));
    mplsLabel = (MplsLabel) id;
    assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS);
}

Example 5 with MplsLabel

use of org.onlab.packet.MplsLabel in project onos by opennetworkinglab.

the class LabelAllocatorTest method testRandomBehaviorNone.

/**
 * To test random behavior. Using NONE optimization
 */
@Test
public void testRandomBehaviorNone() {
    // By default Random is the selection behavior used
    assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class));
    // It has to be an instance of NONE
    assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NONE);
    // Filter reservations
    this.resourceService.filterAssignment = true;
    // We change the available Ids
    this.resourceService.availableMplsLabels = ImmutableSet.of(1, 2, 3, 4, 5, 6);
    // First allocation on a subset of links
    Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks(ImmutableSet.copyOf(links.subList(2, 3)), IntentId.valueOf(idGenerator.getNewId()), EncapsulationType.MPLS);
    Identifier<?> id = allocation.get(LinkKey.linkKey(d3p0, d2p1));
    // value has to be a MPLS label
    assertThat(id, instanceOf(MplsLabel.class));
    // value should not be a forbidden value
    MplsLabel mplsLabel = (MplsLabel) id;
    assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS);
    // We test the behavior for MPLS
    allocation = this.allocator.assignLabelToLinks(ImmutableSet.copyOf(links.subList(1, 3)), IntentId.valueOf(idGenerator.getNewId()), EncapsulationType.MPLS);
    id = allocation.get(LinkKey.linkKey(d1p1, d3p1));
    assertThat(id, instanceOf(MplsLabel.class));
    mplsLabel = (MplsLabel) id;
    assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS);
    id = allocation.get(LinkKey.linkKey(d3p0, d2p1));
    assertThat(id, instanceOf(MplsLabel.class));
    mplsLabel = (MplsLabel) id;
    assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS);
}