Examples with MultiPointToSinglePointIntent org.onosproject.net.intent.MultiPointToSinglePointIntent used on opensource projects

Example 31 with MultiPointToSinglePointIntent

use of org.onosproject.net.intent.MultiPointToSinglePointIntent in project onos by opennetworkinglab.

the class MultiPointToSinglePointIntentCompiler method compile.

@Override
public List<Intent> compile(MultiPointToSinglePointIntent intent, List<Intent> installable) {
    Map<DeviceId, Link> links = new HashMap<>();
    ConnectPoint egressPoint = intent.egressPoint();
    final boolean allowMissingPaths = intentAllowsPartialFailure(intent);
    boolean hasPaths = false;
    boolean missingSomePaths = false;
    for (ConnectPoint ingressPoint : intent.ingressPoints()) {
        if (ingressPoint.deviceId().equals(egressPoint.deviceId())) {
            if (deviceService.isAvailable(ingressPoint.deviceId())) {
                hasPaths = true;
            } else {
                missingSomePaths = true;
            }
            continue;
        }
        Path path = getPath(intent, ingressPoint.deviceId(), egressPoint.deviceId());
        if (path != null) {
            hasPaths = true;
            for (Link link : path.links()) {
                if (links.containsKey(link.dst().deviceId())) {
                    // We've already reached the existing tree with the first
                    // part of this path. Add the merging point with different
                    // incoming port, but don't add the remainder of the path
                    // in case it differs from the path we already have.
                    links.put(link.src().deviceId(), link);
                    break;
                }
                links.put(link.src().deviceId(), link);
            }
        } else {
            missingSomePaths = true;
        }
    }
    // Allocate bandwidth on existing paths if a bandwidth constraint is set
    List<ConnectPoint> ingressCPs = intent.filteredIngressPoints().stream().map(fcp -> fcp.connectPoint()).collect(Collectors.toList());
    ConnectPoint egressCP = intent.filteredEgressPoint().connectPoint();
    List<ConnectPoint> pathCPs = links.values().stream().flatMap(l -> Stream.of(l.src(), l.dst())).collect(Collectors.toList());
    pathCPs.addAll(ingressCPs);
    pathCPs.add(egressCP);
    allocateBandwidth(intent, pathCPs);
    if (!hasPaths) {
        throw new IntentException("Cannot find any path between ingress and egress points.");
    } else if (!allowMissingPaths && missingSomePaths) {
        throw new IntentException("Missing some paths between ingress and egress points.");
    }
    Intent result = LinkCollectionIntent.builder().appId(intent.appId()).key(intent.key()).treatment(intent.treatment()).selector(intent.selector()).links(Sets.newHashSet(links.values())).filteredIngressPoints(intent.filteredIngressPoints()).filteredEgressPoints(ImmutableSet.of(intent.filteredEgressPoint())).priority(intent.priority()).constraints(intent.constraints()).resourceGroup(intent.resourceGroup()).build();
    return Collections.singletonList(result);
}

Example 32 with MultiPointToSinglePointIntent

use of org.onosproject.net.intent.MultiPointToSinglePointIntent in project onos by opennetworkinglab.

the class MultiPointToSinglePointIntentCompilerTest method testSameDeviceCompilation.

/**
 * Tests ingress and egress on the same device.
 */
@Test
public void testSameDeviceCompilation() {
    Set<FilteredConnectPoint> ingress = Sets.newHashSet(new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)), new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_2)));
    FilteredConnectPoint egress = new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_3));
    MultiPointToSinglePointIntent intent = makeIntent(ingress, egress);
    assertThat(intent, is(notNullValue()));
    final String[] hops = {};
    MultiPointToSinglePointIntentCompiler compiler = makeCompiler(hops);
    assertThat(compiler, is(notNullValue()));
    List<Intent> result = compiler.compile(intent, null);
    assertThat(result, is(notNullValue()));
    assertThat(result, hasSize(1));
    Intent resultIntent = result.get(0);
    assertThat(resultIntent, instanceOf(LinkCollectionIntent.class));
    if (resultIntent instanceof LinkCollectionIntent) {
        LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent;
        assertThat(linkIntent.links(), hasSize(0));
    }
    assertThat("key is inherited", resultIntent.key(), is(intent.key()));
}

Example 33 with MultiPointToSinglePointIntent

use of org.onosproject.net.intent.MultiPointToSinglePointIntent in project onos by opennetworkinglab.

the class MultiPointToSinglePointIntentCompilerTest method testMultiIngressCompilation.

/**
 * Tests a large number of ingress points that share a common path to the
 * egress point.
 */
@Test
public void testMultiIngressCompilation() {
    Set<FilteredConnectPoint> ingress = Sets.newHashSet(new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)), new FilteredConnectPoint(new ConnectPoint(DID_2, PORT_1)), new FilteredConnectPoint(new ConnectPoint(DID_3, PORT_1)));
    FilteredConnectPoint egress = new FilteredConnectPoint(new ConnectPoint(DID_5, PORT_1));
    MultiPointToSinglePointIntent intent = makeIntent(ingress, egress);
    assertThat(intent, is(notNullValue()));
    final String[] hops = { S4 };
    MultiPointToSinglePointIntentCompiler compiler = makeCompiler(hops);
    assertThat(compiler, is(notNullValue()));
    List<Intent> result = compiler.compile(intent, null);
    assertThat(result, is(notNullValue()));
    assertThat(result, hasSize(1));
    Intent resultIntent = result.get(0);
    assertThat(resultIntent instanceof LinkCollectionIntent, is(true));
    if (resultIntent instanceof LinkCollectionIntent) {
        LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent;
        assertThat(linkIntent.links(), hasSize(4));
        assertThat(linkIntent.links(), linksHasPath(S1, S4));
        assertThat(linkIntent.links(), linksHasPath(S2, S4));
        assertThat(linkIntent.links(), linksHasPath(S3, S4));
        assertThat(linkIntent.links(), linksHasPath(S4, S5));
    }
    assertThat("key is inherited", resultIntent.key(), is(intent.key()));
}

Example 34 with MultiPointToSinglePointIntent

use of org.onosproject.net.intent.MultiPointToSinglePointIntent in project onos by opennetworkinglab.

the class MultiPointToSinglePointIntentCompilerTest method testFilteredConnectPointIntent.

/**
 * Tests filtered ingress and egress.
 */
@Test
public void testFilteredConnectPointIntent() {
    Set<FilteredConnectPoint> ingress = ImmutableSet.of(new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1), DefaultTrafficSelector.builder().matchVlanId(VlanId.vlanId("100")).build()), new FilteredConnectPoint(new ConnectPoint(DID_2, PORT_1), DefaultTrafficSelector.builder().matchVlanId(VlanId.vlanId("200")).build()));
    FilteredConnectPoint egress = new FilteredConnectPoint(new ConnectPoint(DID_4, PORT_2));
    MultiPointToSinglePointIntent intent = makeIntent(ingress, egress, selector);
    String[] hops = { S3 };
    MultiPointToSinglePointIntentCompiler compiler = makeCompiler(hops);
    assertThat(compiler, is(notNullValue()));
    List<Intent> result = compiler.compile(intent, null);
    assertThat(result, is(notNullValue()));
    assertThat(result, hasSize(1));
    Intent resultIntent = result.get(0);
    assertThat(resultIntent, instanceOf(LinkCollectionIntent.class));
    if (resultIntent instanceof LinkCollectionIntent) {
        LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent;
        assertThat(linkIntent.links(), hasSize(3));
        assertThat(linkIntent.links(), linksHasPath(S1, S3));
        assertThat(linkIntent.links(), linksHasPath(S2, S3));
        assertThat(linkIntent.links(), linksHasPath(S3, S4));
    }
    assertThat("key is inherited", resultIntent.key(), is(intent.key()));
}

Example 35 with MultiPointToSinglePointIntent

use of org.onosproject.net.intent.MultiPointToSinglePointIntent in project onos by opennetworkinglab.

the class MultiPointToSinglePointIntentCompilerTest method testPartialFailureConstraintSuccess.

/**
 * Tests if all expected links are present when a partial failure
 * constraint is used and one ingress is not present.
 */
@Test
public void testPartialFailureConstraintSuccess() {
    Set<FilteredConnectPoint> ingress = ImmutableSet.of(new FilteredConnectPoint(new ConnectPoint(DID_1, PORT_1)), new FilteredConnectPoint(new ConnectPoint(DID_5, PORT_1)));
    FilteredConnectPoint egress = new FilteredConnectPoint(new ConnectPoint(DID_4, PORT_2));
    final List<Constraint> constraints = Collections.singletonList(new PartialFailureConstraint());
    MultiPointToSinglePointIntent intent = makeIntent(ingress, egress, constraints);
    String[] hops = { S3 };
    MultiPointToSinglePointIntentCompiler compiler = makeCompiler(null, new IntentTestsMocks.FixedMP2MPMockPathService(hops), null);
    assertThat(compiler, is(notNullValue()));
    List<Intent> result = compiler.compile(intent, null);
    assertThat(result, is(notNullValue()));
    assertThat(result, hasSize(1));
    Intent resultIntent = result.get(0);
    assertThat(resultIntent, instanceOf(LinkCollectionIntent.class));
    if (resultIntent instanceof LinkCollectionIntent) {
        LinkCollectionIntent linkIntent = (LinkCollectionIntent) resultIntent;
        assertThat(linkIntent.links(), hasSize(2));
        assertThat(linkIntent.links(), linksHasPath(S1, S3));
        assertThat(linkIntent.links(), linksHasPath(S3, S4));
    }
    assertThat("key is inherited", resultIntent.key(), is(intent.key()));
}