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

Example 21 with Constraint

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

the class HostToHostIntentCompilerTest method testBandwidthConstrainedIntentAllocation.

/**
 * Tests if bandwidth resources get allocated correctly.
 */
@Test
public void testBandwidthConstrainedIntentAllocation() {
    final double bpsTotal = 1000.0;
    final double bpsToReserve = 100.0;
    ContinuousResource resourceSw1P1 = Resources.continuous(DID_S1, PORT_1, Bandwidth.class).resource(bpsToReserve);
    ContinuousResource resourceSw1P2 = Resources.continuous(DID_S1, PORT_2, Bandwidth.class).resource(bpsToReserve);
    ContinuousResource resourceSw2P1 = Resources.continuous(DID_S2, PORT_1, Bandwidth.class).resource(bpsToReserve);
    ContinuousResource resourceSw2P2 = Resources.continuous(DID_S2, PORT_2, Bandwidth.class).resource(bpsToReserve);
    ContinuousResource resourceSw3P1 = Resources.continuous(DID_S3, PORT_1, Bandwidth.class).resource(bpsToReserve);
    ContinuousResource resourceSw3P2 = Resources.continuous(DID_S3, PORT_2, Bandwidth.class).resource(bpsToReserve);
    String[] hops = { HOST_ONE, S1, S2, S3, HOST_TWO };
    final ResourceService resourceService = MockResourceService.makeCustomBandwidthResourceService(bpsTotal);
    final List<Constraint> constraints = Collections.singletonList(new BandwidthConstraint(Bandwidth.bps(bpsToReserve)));
    final HostToHostIntent intent = makeIntent(HOST_ONE, HOST_TWO, constraints);
    HostToHostIntentCompiler compiler = makeCompiler(hops, resourceService);
    compiler.compile(intent, null);
    Key intentKey = intent.key();
    ResourceAllocation rAOne = new ResourceAllocation(resourceSw1P1, intentKey);
    ResourceAllocation rATwo = new ResourceAllocation(resourceSw1P2, intentKey);
    ResourceAllocation rAThree = new ResourceAllocation(resourceSw2P1, intentKey);
    ResourceAllocation rAFour = new ResourceAllocation(resourceSw2P2, intentKey);
    ResourceAllocation rAFive = new ResourceAllocation(resourceSw3P1, intentKey);
    ResourceAllocation rASix = new ResourceAllocation(resourceSw3P2, intentKey);
    Set<ResourceAllocation> expectedresourceAllocations = ImmutableSet.of(rAOne, rATwo, rAThree, rAFour, rAFive, rASix);
    Set<ResourceAllocation> resourceAllocations = ImmutableSet.copyOf(resourceService.getResourceAllocations(intentKey));
    assertThat(resourceAllocations, hasSize(6));
    assertEquals(expectedresourceAllocations, resourceAllocations);
}

Example 22 with Constraint

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

the class AddMultiPointToSinglePointIntentCommand method doExecute.

@Override
protected void doExecute() {
    IntentService service = get(IntentService.class);
    if (deviceStrings.length < 2) {
        return;
    }
    String egressDeviceString = deviceStrings[deviceStrings.length - 1];
    FilteredConnectPoint egress = new FilteredConnectPoint(ConnectPoint.deviceConnectPoint(egressDeviceString));
    Set<FilteredConnectPoint> ingressPoints = new HashSet<>();
    for (int index = 0; index < deviceStrings.length - 1; index++) {
        String ingressDeviceString = deviceStrings[index];
        ConnectPoint ingress = ConnectPoint.deviceConnectPoint(ingressDeviceString);
        ingressPoints.add(new FilteredConnectPoint(ingress));
    }
    TrafficSelector selector = buildTrafficSelector();
    TrafficTreatment treatment = buildTrafficTreatment();
    List<Constraint> constraints = buildConstraints();
    Intent intent = MultiPointToSinglePointIntent.builder().appId(appId()).key(key()).selector(selector).treatment(treatment).filteredIngressPoints(ingressPoints).filteredEgressPoint(egress).constraints(constraints).priority(priority()).resourceGroup(resourceGroup()).build();
    service.submit(intent);
    print("Multipoint to single point intent submitted:\n%s", intent.toString());
}

Example 23 with Constraint

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

the class SimpleFabricForwarding method buildConstraints.

private List<Constraint> buildConstraints(List<Constraint> constraints, EncapsulationType encapsulation) {
    if (!encapsulation.equals(EncapsulationType.NONE)) {
        List<Constraint> newConstraints = new ArrayList<>(constraints);
        constraints.stream().filter(c -> c instanceof EncapsulationConstraint).forEach(newConstraints::remove);
        newConstraints.add(new EncapsulationConstraint(encapsulation));
        return ImmutableList.copyOf(newConstraints);
    }
    return constraints;
}

Example 24 with Constraint

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

the class SimpleFabricRouting method buildConstraints.

// constraints generator
private List<Constraint> buildConstraints(List<Constraint> constraints, EncapsulationType encap) {
    if (!encap.equals(EncapsulationType.NONE)) {
        List<Constraint> newConstraints = new ArrayList<>(constraints);
        constraints.stream().filter(c -> c instanceof EncapsulationConstraint).forEach(newConstraints::remove);
        newConstraints.add(new EncapsulationConstraint(encap));
        return ImmutableList.copyOf(newConstraints);
    }
    return constraints;
}

Example 25 with Constraint

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

the class SdnIpFib method encapUpdate.

/*
     * Triggered when the network configuration configuration is modified.
     * It checks if the encapsulation type has changed from last time, and in
     * case modifies all intents.
     */
private void encapUpdate() {
    synchronized (this) {
        // Get the encapsulation type just set from the configuration
        EncapsulationType encap = encap();
        for (Map.Entry<IpPrefix, MultiPointToSinglePointIntent> entry : routeIntents.entrySet()) {
            // Get each intent currently registered by SDN-IP
            MultiPointToSinglePointIntent intent = entry.getValue();
            // Make sure the same constraint is not already part of the
            // intent constraints
            List<Constraint> constraints = intent.constraints();
            if (!constraints.stream().filter(c -> c instanceof EncapsulationConstraint && new EncapsulationConstraint(encap).equals(c)).findAny().isPresent()) {
                MultiPointToSinglePointIntent.Builder intentBuilder = MultiPointToSinglePointIntent.builder(intent);
                // Set the new encapsulation constraint
                setEncap(intentBuilder, constraints, encap);
                // Build and submit the new intent
                MultiPointToSinglePointIntent newIntent = intentBuilder.build();
                routeIntents.put(entry.getKey(), newIntent);
                intentSynchronizer.submit(newIntent);
            }
        }
    }
}