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

Example 16 with Constraint

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

the class ConstraintCodecTest method waypointConstraint.

/**
 * Tests waypoint constaint.
 */
@Test
public void waypointConstraint() {
    Constraint constraint = getConstraint("WaypointConstraint.json");
    assertThat(constraint, instanceOf(WaypointConstraint.class));
    WaypointConstraint waypointConstraint = (WaypointConstraint) constraint;
    assertThat(waypointConstraint.waypoints(), hasItem(did("devA")));
    assertThat(waypointConstraint.waypoints(), hasItem(did("devB")));
    assertThat(waypointConstraint.waypoints(), hasItem(did("devC")));
}

Example 17 with Constraint

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

the class ConstraintCodecTest method getConstraint.

/**
 * Reads in a constraint from the given resource and decodes it.
 *
 * @param resourceName resource to use to read the JSON for the constraint
 * @return decoded constraint
 */
private Constraint getConstraint(String resourceName) {
    InputStream jsonStream = ConstraintCodecTest.class.getResourceAsStream(resourceName);
    try {
        JsonNode json = context.mapper().readTree(jsonStream);
        assertThat(json, notNullValue());
        Constraint constraint = constraintCodec.decode((ObjectNode) json, context);
        assertThat(constraint, notNullValue());
        return checkNotNull(constraint);
    } catch (IOException ioe) {
        Assert.fail(ioe.getMessage());
        throw new IllegalStateException("cannot happen");
    }
}

Example 18 with Constraint

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

the class ConstraintCodecTest method domainConstraint.

/**
 * Tests domain constraint.
 */
@Test
public void domainConstraint() {
    Constraint constraint = getConstraint("DomainConstraint.json");
    assertThat(constraint, instanceOf(DomainConstraint.class));
}

Example 19 with Constraint

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

the class ConstraintCodecTest method tierConstraint.

/**
 * Tests tier constraint.
 */
@Test
public void tierConstraint() {
    Constraint constraint = getConstraint("TierConstraint.json");
    assertThat(constraint, instanceOf(TierConstraint.class));
    TierConstraint tierConstraint = (TierConstraint) constraint;
    assertThat(tierConstraint.isInclusive(), is(true));
    assertThat(tierConstraint.costType(), is(TierConstraint.CostType.ORDER));
    assertThat(tierConstraint.tiers().get(0), is(3));
    assertThat(tierConstraint.tiers().get(1), is(2));
    assertThat(tierConstraint.tiers().get(2), is(1));
}

Example 20 with Constraint

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

the class IntentJsonMatcher method matchConnectivityIntent.

/**
 * Matches the JSON representation of a connectivity intent. Calls the
 * matcher for the connectivity intent subtype.
 *
 * @param jsonIntent JSON representation of the intent
 * @param description Description object used for recording errors
 * @return true if the JSON matches the intent, false otherwise
 */
private boolean matchConnectivityIntent(JsonNode jsonIntent, Description description) {
    final ConnectivityIntent connectivityIntent = (ConnectivityIntent) intent;
    // check selector
    final JsonNode jsonSelector = jsonIntent.get("selector");
    final TrafficSelector selector = connectivityIntent.selector();
    final Set<Criterion> criteria = selector.criteria();
    final JsonNode jsonCriteria = jsonSelector.get("criteria");
    if (jsonCriteria.size() != criteria.size()) {
        description.appendText("size of criteria array is " + Integer.toString(jsonCriteria.size()));
        return false;
    }
    for (Criterion criterion : criteria) {
        boolean criterionFound = false;
        for (int criterionIndex = 0; criterionIndex < jsonCriteria.size(); criterionIndex++) {
            final CriterionJsonMatcher criterionMatcher = CriterionJsonMatcher.matchesCriterion(criterion);
            if (criterionMatcher.matches(jsonCriteria.get(criterionIndex))) {
                criterionFound = true;
                break;
            }
        }
        if (!criterionFound) {
            description.appendText("criterion not found " + criterion.toString());
            return false;
        }
    }
    // check treatment
    final JsonNode jsonTreatment = jsonIntent.get("treatment");
    final TrafficTreatment treatment = connectivityIntent.treatment();
    final List<Instruction> instructions = treatment.immediate();
    final JsonNode jsonInstructions = jsonTreatment.get("instructions");
    if (jsonInstructions.size() != instructions.size()) {
        description.appendText("size of instructions array is " + Integer.toString(jsonInstructions.size()));
        return false;
    }
    for (Instruction instruction : instructions) {
        boolean instructionFound = false;
        for (int instructionIndex = 0; instructionIndex < jsonInstructions.size(); instructionIndex++) {
            final InstructionJsonMatcher instructionMatcher = InstructionJsonMatcher.matchesInstruction(instruction);
            if (instructionMatcher.matches(jsonInstructions.get(instructionIndex))) {
                instructionFound = true;
                break;
            }
        }
        if (!instructionFound) {
            description.appendText("instruction not found " + instruction.toString());
            return false;
        }
    }
    // Check constraints
    final JsonNode jsonConstraints = jsonIntent.get("constraints");
    if (connectivityIntent.constraints() != null) {
        if (connectivityIntent.constraints().size() != jsonConstraints.size()) {
            description.appendText("constraints array size was " + Integer.toString(jsonConstraints.size()));
            return false;
        }
        for (final Constraint constraint : connectivityIntent.constraints()) {
            boolean constraintFound = false;
            for (int constraintIndex = 0; constraintIndex < jsonConstraints.size(); constraintIndex++) {
                final JsonNode value = jsonConstraints.get(constraintIndex);
                if (matchConstraint(constraint, value)) {
                    constraintFound = true;
                }
            }
            if (!constraintFound) {
                final String constraintString = constraint.toString();
                description.appendText("constraint missing " + constraintString);
                return false;
            }
        }
    } else if (jsonConstraints.size() != 0) {
        description.appendText("constraint array not empty");
        return false;
    }
    if (connectivityIntent instanceof HostToHostIntent) {
        return matchHostToHostIntent(jsonIntent, description);
    } else if (connectivityIntent instanceof PointToPointIntent) {
        return matchPointToPointIntent(jsonIntent, description);
    } else {
        description.appendText("class of connectivity intent is unknown");
        return false;
    }
}