Examples with Instruction org.onosproject.net.flow.instructions.Instruction used on opensource projects

Example 16 with Instruction

use of org.onosproject.net.flow.instructions.Instruction in project onos by opennetworkinglab.

the class LinkCollectionCompiler method manageOutputPorts.

/**
 * Helper method which handles the proper generation of the ouput actions.
 *
 * @param outPorts the output ports
 * @param deviceId the current device
 * @param intent the intent to compile
 * @param outLabels the output labels
 * @param type the encapsulation type
 * @param preCondition the previous state
 * @param treatmentBuilder the builder to update with the ouput actions
 */
private void manageOutputPorts(Set<PortNumber> outPorts, DeviceId deviceId, LinkCollectionIntent intent, Map<ConnectPoint, Identifier<?>> outLabels, EncapsulationType type, TrafficSelector.Builder preCondition, TrafficTreatment.Builder treatmentBuilder) {
    /*
         * We need to order the actions. First the actions
         * related to the not-egress points. At the same time we collect
         * also the egress points.
         */
    List<FilteredConnectPoint> egressPoints = Lists.newArrayList();
    for (PortNumber outPort : outPorts) {
        Optional<FilteredConnectPoint> filteredEgressPoint = getFilteredConnectPointFromIntent(deviceId, outPort, intent);
        if (!filteredEgressPoint.isPresent()) {
            /*
                 * We build a temporary selector for the encapsulation.
                 */
            TrafficSelector.Builder encapBuilder = DefaultTrafficSelector.builder();
            /*
                 * We retrieve the associated label to the output port.
                 */
            ConnectPoint cp = new ConnectPoint(deviceId, outPort);
            Identifier<?> outLabel = outLabels.get(cp);
            /*
                 * If there are not labels, we cannot handle.
                 */
            if (outLabel == null) {
                throw new IntentCompilationException(String.format(NO_LABELS, cp));
            }
            /*
                 * In the core we match using encapsulation.
                 */
            updateSelectorFromEncapsulation(encapBuilder, type, outLabel);
            /*
                 * We generate the transition.
                 */
            TrafficTreatment forwardingTreatment = forwardingTreatment(preCondition.build(), encapBuilder.build(), getEthType(intent.selector()));
            /*
                 * We add the instruction necessary to the transition.
                 */
            forwardingTreatment.allInstructions().stream().filter(inst -> inst.type() != Instruction.Type.NOACTION).forEach(treatmentBuilder::add);
            /*
                 * Finally we set the output action.
                 */
            treatmentBuilder.setOutput(outPort);
            /*
                 * The encapsulation modifies the packet. If we are optimizing
                 * we have to update the state.
                 */
            if (optimizeTreatments()) {
                preCondition = encapBuilder;
            }
        } else {
            egressPoints.add(filteredEgressPoint.get());
        }
    }
    /*
         * The idea is to order the egress points. Before we deal
         * with the egress points which looks like similar to the
         * selector derived from the previous state then the
         * the others.
         */
    TrafficSelector prevState = preCondition.build();
    if (optimizeTreatments()) {
        egressPoints = orderedEgressPoints(prevState, egressPoints);
    }
    /*
         * In this case, we have to transit to the final
         * state.
         */
    generateEgressActions(treatmentBuilder, egressPoints, prevState, intent);
}

Example 17 with Instruction

use of org.onosproject.net.flow.instructions.Instruction in project onos by opennetworkinglab.

the class LinkCollectionIntentCompiler method compactActions.

/**
 * This method tries to optimize the chain of actions.
 *
 * @param oldTreatment the list of instructions to optimize
 * @return the optimized set of actions
 */
private TrafficTreatment compactActions(TrafficTreatment oldTreatment) {
    TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
    Instruction instruction;
    Instruction newInstruction;
    for (int index = 0; index < oldTreatment.allInstructions().size(); index++) {
        instruction = oldTreatment.allInstructions().get(index);
        /*
             * if the action is not optimizable. We simply add
             * to the builder.
             */
        if (checkInstruction(instruction)) {
            treatmentBuilder.add(instruction);
            continue;
        }
        /*
             * We try to run an optimization;
             */
        newInstruction = optimizeInstruction(index, instruction, oldTreatment.allInstructions());
        if (!newInstruction.type().equals(NOACTION)) {
            treatmentBuilder.add(newInstruction);
        }
    }
    return treatmentBuilder.build();
}

Example 18 with Instruction

use of org.onosproject.net.flow.instructions.Instruction in project onos by opennetworkinglab.

the class PointToPointIntentCompiler method updateFailoverGroup.

// Removes buckets whose treatments rely on disabled ports from the
// failover group.
private void updateFailoverGroup(PointToPointIntent pointIntent) {
    DeviceId deviceId = pointIntent.filteredIngressPoint().connectPoint().deviceId();
    GroupKey groupKey = makeGroupKey(pointIntent.id());
    Group group = waitForGroup(deviceId, groupKey);
    Iterator<GroupBucket> groupIterator = group.buckets().buckets().iterator();
    while (groupIterator.hasNext()) {
        GroupBucket bucket = groupIterator.next();
        Instruction individualInstruction = bucket.treatment().allInstructions().get(0);
        if (individualInstruction instanceof Instructions.OutputInstruction) {
            Instructions.OutputInstruction outInstruction = (Instructions.OutputInstruction) individualInstruction;
            Port port = deviceService.getPort(deviceId, outInstruction.port());
            if (port == null || !port.isEnabled()) {
                GroupBuckets removeBuckets = new GroupBuckets(Collections.singletonList(bucket));
                groupService.removeBucketsFromGroup(deviceId, groupKey, removeBuckets, groupKey, pointIntent.appId());
            }
        }
    }
}

Example 19 with Instruction

use of org.onosproject.net.flow.instructions.Instruction in project onos by opennetworkinglab.

the class FlowObjectiveCompositionManager method forwardingObjectiveToString.

public static String forwardingObjectiveToString(ForwardingObjective forwardingObjective) {
    String str = forwardingObjective.priority() + " ";
    str += "selector( ";
    for (Criterion criterion : forwardingObjective.selector().criteria()) {
        str += criterion + " ";
    }
    str += ") treatment( ";
    for (Instruction instruction : forwardingObjective.treatment().allInstructions()) {
        str += instruction + " ";
    }
    str += ")";
    return str;
}

Example 20 with Instruction

use of org.onosproject.net.flow.instructions.Instruction in project onos by opennetworkinglab.

the class OplinkPowerConfigUtil method setChannelAttenuation.

/**
 * Sets specified channle attenuation.
 *
 * @param portNum the port number
 * @param och channel signal
 * @param power attenuation in 0.01 dB
 */
private void setChannelAttenuation(PortNumber portNum, OchSignal och, long power) {
    FlowEntry flowEntry = findFlow(portNum, och);
    if (flowEntry == null) {
        log.warn("Target channel power not set");
        return;
    }
    final DriverHandler handler = behaviour.handler();
    for (Instruction ins : flowEntry.treatment().allInstructions()) {
        if (ins.type() != Instruction.Type.EXTENSION) {
            continue;
        }
        ExtensionTreatment ext = ((Instructions.ExtensionInstructionWrapper) ins).extensionInstruction();
        if (ext.type() == ExtensionTreatmentType.ExtensionTreatmentTypes.OPLINK_ATTENUATION.type()) {
            ((OplinkAttenuation) ext).setAttenuation((int) power);
            FlowRuleService service = handler.get(FlowRuleService.class);
            service.applyFlowRules(flowEntry);
            return;
        }
    }
    addAttenuation(flowEntry, power);
}