Examples with LinkKey org.onosproject.net.LinkKey used on opensource projects

Example 46 with LinkKey

use of org.onosproject.net.LinkKey in project onos by opennetworkinglab.

the class LabelAllocatorTest method noLabelsOnLinkTest.

/**
 * To test the developed algorithms when there are no labels on a specific link.
 */
@Test
public void noLabelsOnLinkTest() {
    // Verify the first fit behavior with NONE optimization
    this.allocator.setLabelSelection(firstFit);
    assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class));
    // It has to be an instance of NONE
    assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NONE);
    // We change the available Ids
    this.resourceService.availableVlanLabels = ImmutableSet.of((short) 10);
    // Enable filtering of the reservation
    this.resourceService.filterAssignment = true;
    // We test the behavior for VLAN
    Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks(ImmutableSet.copyOf(links.subList(2, 3)), IntentId.valueOf(idGenerator.getNewId()), EncapsulationType.VLAN);
    Identifier<?> id = allocation.get(LinkKey.linkKey(d3p0, d2p1));
    assertThat(id, instanceOf(VlanId.class));
    VlanId label = (VlanId) id;
    assertTrue(VlanId.NO_VID < label.toShort() && label.toShort() < VlanId.MAX_VLAN);
    // No labels are available, reservation is not possible
    allocation = this.allocator.assignLabelToLinks(ImmutableSet.copyOf(links.subList(1, 3)), IntentId.valueOf(idGenerator.getNewId()), EncapsulationType.VLAN);
    id = allocation.get(LinkKey.linkKey(d1p1, d3p1));
    // value has to be null
    assertNull(id);
    id = allocation.get(LinkKey.linkKey(d3p0, d2p1));
    // value has to be null
    assertNull(id);
    // Verify the random behavior with NONE_SWAP optimization
    this.allocator.setLabelSelection(random);
    assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class));
    // Change to NO_SWAP
    this.allocator.setOptLabelSelection(noswap);
    assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NO_SWAP);
    // We change the available Ids
    this.resourceService.availableMplsLabels = ImmutableSet.of(2000);
    // Enable filtering of the reservation
    this.resourceService.filterAssignment = true;
    // We test the behavior for MPLS
    allocation = this.allocator.assignLabelToLinks(ImmutableSet.copyOf(links.subList(2, 3)), IntentId.valueOf(idGenerator.getNewId()), EncapsulationType.MPLS);
    id = allocation.get(LinkKey.linkKey(d3p0, d2p1));
    assertThat(id, instanceOf(MplsLabel.class));
    MplsLabel mplsLabel = (MplsLabel) id;
    assertTrue(0 <= mplsLabel.toInt() && mplsLabel.toInt() <= MplsLabel.MAX_MPLS);
    // No labels are available, reservation is not possible
    allocation = this.allocator.assignLabelToLinks(ImmutableSet.copyOf(links.subList(1, 3)), IntentId.valueOf(idGenerator.getNewId()), EncapsulationType.MPLS);
    id = allocation.get(LinkKey.linkKey(d1p1, d3p1));
    // value has to be null
    assertNull(id);
    id = allocation.get(LinkKey.linkKey(d3p0, d2p1));
    // value has to be null
    assertNull(id);
    // Verify the first fit behavior with MIN optimization
    this.allocator.setLabelSelection(firstFit);
    assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class));
    // Change to MIN_SWAP
    this.allocator.setOptLabelSelection(minswap);
    assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.MIN_SWAP);
    // We change the available Ids
    this.resourceService.availableVlanLabels = ImmutableSet.of((short) 11);
    // Enable filtering of the reservation
    this.resourceService.filterAssignment = true;
    // We test the behavior for VLAN
    allocation = this.allocator.assignLabelToLinks(ImmutableSet.copyOf(links.subList(2, 3)), IntentId.valueOf(idGenerator.getNewId()), EncapsulationType.VLAN);
    id = allocation.get(LinkKey.linkKey(d3p0, d2p1));
    assertThat(id, instanceOf(VlanId.class));
    label = (VlanId) id;
    assertTrue(VlanId.NO_VID < label.toShort() && label.toShort() < VlanId.MAX_VLAN);
    // No labels are available, reservation is not possible
    allocation = this.allocator.assignLabelToLinks(ImmutableSet.copyOf(links.subList(1, 3)), IntentId.valueOf(idGenerator.getNewId()), EncapsulationType.VLAN);
    id = allocation.get(LinkKey.linkKey(d1p1, d3p1));
    // value has to be null
    assertNull(id);
    id = allocation.get(LinkKey.linkKey(d3p0, d2p1));
    // value has to be null
    assertNull(id);
}

Example 47 with LinkKey

use of org.onosproject.net.LinkKey in project onos by opennetworkinglab.

the class LldpLinkProvider method updateDevice.

/**
 * Updates discovery helper for specified device.
 *
 * Adds and starts a discovery helper for specified device if enabled,
 * calls {@link #removeDevice(DeviceId)} otherwise.
 *
 * @param device device to add
 * @return discovery helper if discovery is enabled for the device
 */
private Optional<LinkDiscovery> updateDevice(Device device) {
    if (device == null) {
        return Optional.empty();
    }
    if (!masterService.isLocalMaster(device.id())) {
        // Reset the last seen time for all links to this device
        // then stop discovery for this device
        List<LinkKey> updateLinks = new LinkedList<>();
        linkTimes.forEach((link, time) -> {
            if (link.dst().deviceId().equals(device.id())) {
                updateLinks.add(link);
            }
        });
        updateLinks.forEach(link -> linkTimes.remove(link));
        removeDevice(device.id());
        return Optional.empty();
    }
    if (rules.isSuppressed(device) || isBlacklisted(device.id())) {
        log.trace("LinkDiscovery from {} disabled by configuration", device.id());
        removeDevice(device.id());
        return Optional.empty();
    }
    LinkDiscovery ld = discoverers.computeIfAbsent(device.id(), did -> new LinkDiscovery(device.id(), context));
    if (ld.isStopped()) {
        ld.start();
    }
    return Optional.of(ld);
}

Example 48 with LinkKey

use of org.onosproject.net.LinkKey in project onos by opennetworkinglab.

the class NetworkConfigLinksProviderTest method testNotConfiguredLink.

/**
 * Tests discovery of a link that is not expected in the configuration.
 */
@Test
public void testNotConfiguredLink() {
    PacketContext pktCtx = new TestPacketContext(src, dst);
    testProcessor.process(pktCtx);
    assertThat(providerService.discoveredLinks().entrySet(), hasSize(1));
    DeviceId destination = providerService.discoveredLinks().get(dev1.id());
    assertThat(destination, notNullValue());
    LinkKey key = LinkKey.linkKey(src, dst);
    LinkDescription linkDescription = providerService.discoveredLinkDescriptions().get(key);
    assertThat(linkDescription, notNullValue());
    assertThat(linkDescription.isExpected(), is(false));
}

Example 49 with LinkKey

use of org.onosproject.net.LinkKey in project onos by opennetworkinglab.

the class NetworkConfigLinksProviderTest method testRemoveLink.

/**
 * Tests removal of a link from the configuration.
 */
@Test
public void testRemoveLink() {
    LinkKey key = LinkKey.linkKey(src, dst);
    configListener.event(new NetworkConfigEvent(NetworkConfigEvent.Type.CONFIG_ADDED, key, BasicLinkConfig.class));
    assertThat(provider.configuredLinks, hasSize(1));
    configListener.event(new NetworkConfigEvent(NetworkConfigEvent.Type.CONFIG_REMOVED, key, BasicLinkConfig.class));
    assertThat(provider.configuredLinks, hasSize(0));
}

Example 50 with LinkKey

use of org.onosproject.net.LinkKey in project onos by opennetworkinglab.

the class SimpleLinkStore method createOrUpdateLink.

@Override
public LinkEvent createOrUpdateLink(ProviderId providerId, LinkDescription linkDescription) {
    LinkKey key = linkKey(linkDescription.src(), linkDescription.dst());
    Map<ProviderId, LinkDescription> descs = getOrCreateLinkDescriptions(key);
    synchronized (descs) {
        final Link oldLink = links.get(key);
        // update description
        createOrUpdateLinkDescription(descs, providerId, linkDescription);
        final Link newLink = composeLink(descs);
        if (oldLink == null) {
            return createLink(key, newLink);
        }
        return updateLink(key, oldLink, newLink);
    }
}