Examples with ConnectionInstance org.osate.aadl2.instance.ConnectionInstance used on opensource projects

Example 1 with ConnectionInstance

use of org.osate.aadl2.instance.ConnectionInstance in project osate2 by osate.

the class FeatureToConnectionsMap method addForFeatureGroups.

private void addForFeatureGroups(FeatureInstance fi, ConnectionInstance connInst) {
    EObject parent = fi.eContainer();
    while (parent instanceof FeatureInstance) {
        add((FeatureInstance) parent, connInst);
        parent = parent.eContainer();
    }
}

Example 2 with ConnectionInstance

use of org.osate.aadl2.instance.ConnectionInstance in project osate2 by osate.

the class PropertyTotals method calcWeight.

private static Result calcWeight(ComponentInstance ci, boolean needWeight) {
    Result result = ResultFactory.eINSTANCE.createResult();
    result.setModelElement(ci);
    final boolean getWeight = hasWeight.contains(ci.getCategory());
    final double net = getWeight ? PropertyUtils.getScaled(Sei::getNetweight, ci, Weightunits.KG).orElse(0.0) : 0.0;
    double weight = 0.0;
    final double gross = getWeight ? PropertyUtils.getScaled(Sei::getGrossweight, ci, Weightunits.KG).orElse(0.0) : 0.0;
    double sublimit = 0.0;
    EList<ComponentInstance> cil = ci.getComponentInstances();
    for (ComponentInstance subi : cil) {
        ComponentCategory subcat = subi.getCategory();
        if (!(subcat.equals(ComponentCategory.PROCESS) || subcat.equals(ComponentCategory.VIRTUAL_BUS) || subcat.equals(ComponentCategory.VIRTUAL_PROCESSOR))) {
            Result subresult = calcWeight(subi, (needWeight && (gross == 0.0 || net > 0.0)));
            result.getSubResults().add(subresult);
            double subweight = ResultUtil.getReal(subresult, 0);
            weight += subweight;
            sublimit += hasWeight.contains(subi.getCategory()) ? PropertyUtils.getScaled(Sei::getWeightlimit, subi, Weightunits.KG).orElse(0.0) : 0.0;
        }
    }
    EList<ConnectionInstance> connl = ci.getConnectionInstances();
    for (ConnectionInstance connectionInstance : connl) {
        ConnectionInstanceEnd source = connectionInstance.getSource();
        ConnectionInstanceEnd destination = connectionInstance.getDestination();
        if ((source instanceof FeatureInstance && ((FeatureInstance) source).getCategory() == FeatureCategory.BUS_ACCESS) || (destination instanceof FeatureInstance && ((FeatureInstance) destination).getCategory() == FeatureCategory.BUS_ACCESS)) {
            double netconn = PropertyUtils.getScaled(Sei::getNetweight, connectionInstance, Weightunits.KG).orElse(0.0);
            double grossconn = PropertyUtils.getScaled(Sei::getGrossweight, connectionInstance, Weightunits.KG).orElse(0.0);
            weight += netconn > 0 ? netconn : grossconn;
            if (netconn > 0 || grossconn > 0) {
                String ResultMsg = String.format(connectionInstance.getName() + ": Weight of access connection is %.3f kg", netconn > 0 ? netconn : grossconn);
                result.getDiagnostics().add(ResultUtil.createInfoDiagnostic(ResultMsg, connectionInstance));
            }
            sublimit += connectionInstance.getKind() == ConnectionKind.ACCESS_CONNECTION ? PropertyUtils.getScaled(Sei::getWeightlimit, connectionInstance, Weightunits.KG).orElse(0.0) : 0.0;
        }
    }
    if (weight == 0.0 && cil.isEmpty()) {
        if (gross == 0 && net > 0) {
            weight = net;
        } else {
            weight = gross;
        }
    } else {
        weight += net;
    }
    if (gross > 0.0) {
        if (weight > gross) {
            // problem
            result.getDiagnostics().add(ResultUtil.createWarningDiagnostic(String.format("[G] Sum of weights (%.3f kg) exceeds gross weight of %.3f kg", weight, gross), ci));
        // Set gross weight
        } else if (weight > 0 && weight < gross) {
            // problem
            result.getDiagnostics().add(ResultUtil.createWarningDiagnostic(String.format("[G] Sum of weights (%.3f kg) less than gross weight of %.3f kg (using gross weight)", weight, gross), ci));
            weight = gross;
        }
        if (weight == 0.0) {
            weight = gross;
        }
    }
    final double limit = getWeight ? PropertyUtils.getScaled(Sei::getWeightlimit, ci, Weightunits.KG).orElse(0.0) : 0.0;
    if (limit > 0.0) {
        if (weight > limit) {
            // problem
            String ResultMsg = String.format("[A] Sum of weights (%.3f kg) exceeds weight limit of %.3f kg", weight, limit);
            result.getDiagnostics().add(ResultUtil.createErrorDiagnostic(ResultMsg, ci));
        } else {
            if (sublimit > limit) {
                // problem
                result.getDiagnostics().add(ResultUtil.createWarningDiagnostic(String.format("[L] Sum of subcomponent weight limits (%.3f kg) exceeds weight limit of %.3f kg", sublimit, limit), ci));
            }
            if (weight < limit) {
                String ResultMsg = String.format("[A] Sum of weights (%.3f kg) is below weight limit of %.3f kg (%.1f %% Weight slack)", weight, limit, (limit - weight) / limit * 100);
                result.getDiagnostics().add(ResultUtil.createInfoDiagnostic(ResultMsg, ci));
            }
        }
    } else {
        if (weight > 0.0) {
            String ResultMsg = String.format("[L] Sum of weights / gross weight is %.3f kg (no limit specified)", weight);
            result.getDiagnostics().add(ResultUtil.createInfoDiagnostic(ResultMsg, ci));
        } else if (needWeight) {
            String ResultMsg = "[L] No net weight plus subcomponent weight or no gross weight";
            result.getDiagnostics().add(ResultUtil.createWarningDiagnostic(ResultMsg, ci));
        }
    }
    ResultUtil.addRealValue(result, weight, "kg");
    ResultUtil.addRealValue(result, gross, "kg");
    ResultUtil.addRealValue(result, net, "kg");
    ResultUtil.addRealValue(result, limit, "kg");
    return result;
}

Example 3 with ConnectionInstance

use of org.osate.aadl2.instance.ConnectionInstance in project osate2 by osate.

the class FlowLatencyAnalysisSwitch method mapComponentInstance.

private void mapComponentInstance(final EndToEndFlowInstance etef, final FlowElementInstance flowElementInstance, LatencyReportEntry entry) {
    ComponentInstance componentInstance;
    final boolean hasLatency = flowElementInstance instanceof FlowSpecificationInstance || flowElementInstance instanceof ConnectionInstance || flowElementInstance instanceof EndToEndFlowInstance || latencyCats.contains(((ComponentInstance) flowElementInstance).getCategory());
    final RealRange expected = hasLatency ? PropertyUtils.getScaledRange(org.osate.aadl2.contrib.communication.CommunicationProperties::getLatency, flowElementInstance, TimeUnits.MS).orElse(RealRange.ZEROED) : RealRange.ZEROED;
    if (flowElementInstance instanceof FlowSpecificationInstance) {
        componentInstance = flowElementInstance.getComponentInstance();
    } else {
        componentInstance = (ComponentInstance) flowElementInstance;
    }
    FeatureInstance incomingConnectionFI = FlowLatencyUtil.getIncomingConnectionFeatureInstance(etef, flowElementInstance);
    /**
     * Get all the relevant properties.
     */
    double period = periodCats.contains(componentInstance.getCategory()) ? PropertyUtils.getScaled(TimingProperties::getPeriod, componentInstance, TimeUnits.MS).orElse(0.0) : 0.0;
    double deadline = deadlineCats.contains(componentInstance.getCategory()) ? PropertyUtils.getScaled(TimingProperties::getDeadline, componentInstance, TimeUnits.MS).orElse(0.0) : 0.0;
    boolean isAssignedDeadline = isAssignedDeadline(componentInstance);
    final boolean isThreadOrDevice = InstanceModelUtil.isThread(componentInstance) || InstanceModelUtil.isDevice(componentInstance) || InstanceModelUtil.isAbstract(componentInstance);
    final boolean isPeriodic = period > 0 && (isThreadOrDevice ? (!InstanceModelUtil.isSporadicComponent(componentInstance) && !InstanceModelUtil.isTimedComponent(componentInstance) && !InstanceModelUtil.isAperiodicComponent(componentInstance)) : true);
    final RealRange responseTime = getResponseTimeInMilliSec(flowElementInstance, componentInstance, isPeriodic);
    final RealRange executionTime = getExecutionTimeInMilliSec(flowElementInstance, componentInstance, isPeriodic);
    /**
     * The component is periodic. Therefore it will sample its input unless we have an immediate connection or delayed connection
     */
    boolean checkLastImmediate = false;
    if (isPeriodic) {
        // we have a periodic component that samples
        if (incomingConnectionFI != null) {
            // it is not the first component in the ETEF. We need to add sampling latency
            if (incomingConnectionFI.getCategory() == FeatureCategory.DATA_PORT || incomingConnectionFI.getCategory() == FeatureCategory.ABSTRACT_FEATURE) {
                // sampling incoming data
                // period is set, and if thread, abstract, or device needs to be dispatched as periodic
                // We sample only data ports. Event and event data ports have queuing latency
                LatencyContributorComponent samplingLatencyContributor = new LatencyContributorComponent(componentInstance, flowElementInstance, report.isMajorFrameDelay());
                samplingLatencyContributor.setSamplingPeriod(period);
                if ((InstanceModelUtil.isThread(componentInstance) || InstanceModelUtil.isDevice(componentInstance)) && !hasAssignedPropertyValue(componentInstance, "Dispatch_Protocol")) {
                    samplingLatencyContributor.reportInfo("Assume Periodic dispatch because period is set");
                }
                if (FlowLatencyUtil.isPreviousConnectionDelayed(etef, flowElementInstance)) {
                    samplingLatencyContributor.setBestCaseMethod(LatencyContributorMethod.DELAYED);
                    samplingLatencyContributor.setWorstCaseMethod(LatencyContributorMethod.DELAYED);
                } else if (FlowLatencyUtil.isPreviousConnectionImmediate(etef, flowElementInstance)) {
                    // the cumulative does not exceed the deadline of the last.
                    if (!FlowLatencyUtil.isNextConnectionImmediate(etef, flowElementInstance)) {
                        checkLastImmediate = true;
                    }
                } else {
                    // sampled. We may under sample
                    ComponentInstance prevComp = FlowLatencyUtil.getPreviousComponent(etef, flowElementInstance);
                    double prevPeriod = prevComp != null ? PropertyUtils.getScaled(TimingProperties::getPeriod, prevComp, TimeUnits.MS).orElse(0.0) : 0;
                    if (period > 0 && prevPeriod > 0 && period % prevPeriod == 0.0) {
                        samplingLatencyContributor.setSamplingPeriod(prevPeriod);
                    } else {
                        samplingLatencyContributor.setSamplingPeriod(period);
                    }
                    samplingLatencyContributor.setBestCaseMethod(LatencyContributorMethod.SAMPLED);
                    samplingLatencyContributor.setWorstCaseMethod(LatencyContributorMethod.SAMPLED);
                }
                entry.addContributor(samplingLatencyContributor);
            } else {
            // queuing latency handled later
            // do nothing here
            }
        } else {
            // The periodic component is the first component in the ETEF
            // record fact that first element is periodic so we can process synchronous behavior correctly
            LatencyContributorComponent samplingLatencyContributor = new LatencyContributorComponent(componentInstance, flowElementInstance, report.isMajorFrameDelay());
            samplingLatencyContributor.setBestCaseMethod(LatencyContributorMethod.FIRST_PERIODIC);
            samplingLatencyContributor.setWorstCaseMethod(LatencyContributorMethod.FIRST_PERIODIC);
            entry.addContributor(samplingLatencyContributor);
        }
    } else {
        // the component is not executing periodically
        if (entry.getContributors().isEmpty()) {
            // insert first partition sampling for the aperiodic case. For other partitions it is inserted by connection processing
            ComponentInstance firstPartition = FlowLatencyUtil.getPartition(componentInstance);
            if (firstPartition != null) {
                double partitionLatency = FlowLatencyUtil.getPartitionPeriod(firstPartition);
                List<ScheduleWindow> schedule = FlowLatencyUtil.getModuleSchedule(firstPartition);
                double partitionDuration = FlowLatencyUtil.getPartitionDuration(firstPartition, schedule);
                LatencyContributorComponent platencyContributor = new LatencyContributorComponent(firstPartition, flowElementInstance, report.isMajorFrameDelay());
                if (!FlowLatencyUtil.isInSchedule(firstPartition, schedule)) {
                    platencyContributor.reportWarning("Partition not found in ARINC653 schedule of processor " + FlowLatencyUtil.getModule(firstPartition).getName());
                }
                if (partitionDuration > 0) {
                    platencyContributor.setSamplingPeriod(partitionLatency);
                    double frameOffset = FlowLatencyUtil.getPartitionFrameOffset(firstPartition, schedule);
                    platencyContributor.setPartitionOffset(frameOffset);
                    platencyContributor.setPartitionDuration(partitionDuration);
                    platencyContributor.setWorstCaseMethod(LatencyContributorMethod.PARTITION_SCHEDULE);
                    platencyContributor.setBestCaseMethod(LatencyContributorMethod.PARTITION_SCHEDULE);
                    entry.addContributor(platencyContributor);
                } else {
                    platencyContributor.setSamplingPeriod(partitionLatency);
                    platencyContributor.setWorstCaseMethod(LatencyContributorMethod.PARTITION_FRAME);
                    platencyContributor.setBestCaseMethod(LatencyContributorMethod.PARTITION_FRAME);
                    entry.addContributor(platencyContributor);
                }
            }
        }
    }
    /**
     * Selection of the worst case value, generic case.
     */
    LatencyContributorMethod bestmethod;
    LatencyContributorMethod worstmethod;
    double worstCaseValue = 0.0;
    double bestCaseValue = 0.0;
    worstmethod = LatencyContributorMethod.UNKNOWN;
    LatencyContributorComponent processingLatencyContributor = new LatencyContributorComponent(componentInstance, flowElementInstance, report.isMajorFrameDelay());
    if (responseTime.getMaximum() != 0.0) {
        worstCaseValue = responseTime.getMaximum();
        worstmethod = LatencyContributorMethod.RESPONSE_TIME;
    } else if (executionTime.getMaximum() != 0.0) {
        if (!report.isWorstCaseDeadline()) {
            // Use execution time for worst-case if preferences specify not deadline or no deadline is specified
            worstCaseValue = executionTime.getMaximum();
            worstmethod = LatencyContributorMethod.PROCESSING_TIME;
        } else if (!isAssignedDeadline) {
            worstCaseValue = executionTime.getMaximum();
            worstmethod = LatencyContributorMethod.PROCESSING_TIME;
            processingLatencyContributor.reportInfo("Using execution time as deadline was not set");
        }
    }
    if ((worstCaseValue == 0.0) && isAssignedDeadline && report.isWorstCaseDeadline()) {
        // use deadline if no execution time and deadline was explicitly assigned
        worstCaseValue = deadline;
        worstmethod = LatencyContributorMethod.DEADLINE;
    }
    if ((worstCaseValue == 0.0) && (expected.getMaximum() != 0.0)) {
        // use flow latency if neither deadline nor execution time
        worstCaseValue = expected.getMaximum();
        worstmethod = LatencyContributorMethod.SPECIFIED;
    } else if (worstCaseValue == 0.0 && deadline != 0.0) {
        // if no flow spec value then use default deadline == period
        worstCaseValue = deadline;
        worstmethod = LatencyContributorMethod.DEADLINE;
        processingLatencyContributor.reportInfo("Using deadline as execution time was not set");
    }
    /**
     * Selection of the best case value, generic cases.
     */
    bestmethod = LatencyContributorMethod.UNKNOWN;
    if (responseTime.getMinimum() != 0.0) {
        bestCaseValue = responseTime.getMinimum();
        bestmethod = LatencyContributorMethod.RESPONSE_TIME;
    } else if (executionTime.getMinimum() != 0.0) {
        bestCaseValue = executionTime.getMinimum();
        bestmethod = LatencyContributorMethod.PROCESSING_TIME;
    }
    if ((bestCaseValue == 0.0) && (expected.getMinimum() != 0.0)) {
        bestCaseValue = expected.getMinimum();
        bestmethod = LatencyContributorMethod.SPECIFIED;
    }
    // take into account queuing delay
    if (incomingConnectionFI != null) {
        double qs = 0;
        LatencyContributorComponent ql = new LatencyContributorComponent(componentInstance, flowElementInstance, report.isMajorFrameDelay());
        if (hasAssignedPropertyValue(incomingConnectionFI, org.osate.xtext.aadl2.properties.util.CommunicationProperties.QUEUE_SIZE)) {
            qs = CommunicationProperties.getQueueSize(incomingConnectionFI).orElse(0);
        } else if (incomingConnectionFI.getCategory() == FeatureCategory.DATA_PORT && isThreadOrDevice && (InstanceModelUtil.isSporadicComponent(componentInstance) || InstanceModelUtil.isTimedComponent(componentInstance) || InstanceModelUtil.isAperiodicComponent(componentInstance))) {
            // treat data port as a port of queue size 1 when not a sampling thread
            qs = 1;
            ql.reportInfo("Data port as queue size 1 for sporadic, aperiodic, timed dispatch");
        }
        if (qs != 0) {
            // take into account queuing delay on event and event data ports.
            double dl = 0.0;
            if (InstanceModelUtil.isSporadicComponent(componentInstance) || InstanceModelUtil.isPeriodicComponent(componentInstance)) {
                dl = period;
                ql.reportInfo("Sporadic or periodic has period delay per queue element");
            } else {
                dl = worstCaseValue;
            }
            double queuingDelay = qs * dl;
            ql.setMaximum(queuingDelay);
            if (report.isBestcaseEmptyQueue()) {
                ql.setMinimum(0.0);
                ql.reportInfo("Assume best case empty queue");
            } else {
                double mindl = (InstanceModelUtil.isSporadicComponent(componentInstance) || InstanceModelUtil.isPeriodicComponent(componentInstance) ? period : bestCaseValue);
                ql.setMinimum(qs * mindl);
                ql.reportInfo("Assume best case full queue");
            }
            ql.setWorstCaseMethod(LatencyContributorMethod.QUEUED);
            ql.setBestCaseMethod(LatencyContributorMethod.QUEUED);
            entry.addContributor(ql);
        }
    }
    processingLatencyContributor.setWorstCaseMethod(worstmethod);
    processingLatencyContributor.setBestCaseMethod(bestmethod);
    processingLatencyContributor.setMaximum(worstCaseValue);
    processingLatencyContributor.setMinimum(bestCaseValue);
    processingLatencyContributor.setExpectedMaximum(expected.getMaximum());
    processingLatencyContributor.setExpectedMinimum(expected.getMinimum());
    if (checkLastImmediate && deadline > 0.0) {
        processingLatencyContributor.setImmediateDeadline(deadline);
    }
    processingLatencyContributor.checkConsistency();
    entry.addContributor(processingLatencyContributor);
}

Example 4 with ConnectionInstance

use of org.osate.aadl2.instance.ConnectionInstance in project osate2 by osate.

the class FlowLatencyAnalysisSwitch method processTransmissionTime.

/**
 * add latency sub-contribution due to transmission by bus (or virtual bus)
 * works for an instance object and for a classifier.
 * We determine the transmission latency from the data size and transmission time property.
 * If not present we get it from the latency property.
 * If neither is present and we are a connection or virtual bus we do not add a latency.
 * If we are HW component, we add unknown latency.
 * targetMedium: a connection instance, or the binding target (virtual bus or bus)
 * transmissionDataSize: the size of data to be transmitted.
 * latencyContributor: the place where we add a subcontributor.
 */
private void processTransmissionTime(NamedElement targetMedium, double datasizeinbyte, LatencyContributor latencyContributor, final ConnectionInstance onBehalfOfConnection) {
    // XXX: [Code Coverage] targetMedium cannot be null.
    if (targetMedium != null) {
        final RealRange busLatency = PropertyUtils.getScaledRange(org.osate.aadl2.contrib.communication.CommunicationProperties::getLatency, targetMedium, TimeUnits.MS).orElse(RealRange.ZEROED);
        final RealRange busTransferTime = getTimeToTransferData(targetMedium, datasizeinbyte);
        if (busLatency.getMaximum() == 0 && busTransferTime.getMaximum() == 0) {
            // connection or protocol has nothing to contribute
            return;
        }
        LatencyContributor subContributor = new LatencyContributorComponent(targetMedium, report.isMajorFrameDelay());
        subContributor.setExpectedMaximum(busLatency.getMaximum());
        subContributor.setExpectedMinimum(busLatency.getMinimum());
        if (busTransferTime.getMaximum() > 0) {
            subContributor.setMaximum(busTransferTime.getMaximum());
            subContributor.reportInfo("Using data transfer time");
            if (datasizeinbyte == 0.0) {
                subContributor.reportInfo("Data size = 0. Possibly data type on port missing");
            }
            subContributor.setWorstCaseMethod(LatencyContributorMethod.TRANSMISSION_TIME);
            // Record the latency for use by asynchronous bus waiting times
            if (targetMedium instanceof ComponentInstance) {
                computedMaxTransmissionLatencies.put(new Pair<>((ComponentInstance) targetMedium, onBehalfOfConnection), busTransferTime.getMaximum());
            }
        } else if (busLatency.getMaximum() > 0) {
            subContributor.setMaximum(busLatency.getMaximum());
            subContributor.setWorstCaseMethod(LatencyContributorMethod.SPECIFIED);
            subContributor.reportInfo("Using specified bus latency");
            // Record the latency for use by asynchronous bus waiting times
            if (targetMedium instanceof ComponentInstance) {
                computedMaxTransmissionLatencies.put(new Pair<>((ComponentInstance) targetMedium, onBehalfOfConnection), busTransferTime.getMaximum());
            }
        } else {
            // XXX: [Code Coverage] Only executable if maxBusTransferTime or maxBusLatency is negative.
            subContributor.setWorstCaseMethod(LatencyContributorMethod.UNKNOWN);
        }
        if (busTransferTime.getMinimum() > 0) {
            subContributor.setMinimum(busTransferTime.getMinimum());
            subContributor.setBestCaseMethod(LatencyContributorMethod.TRANSMISSION_TIME);
        } else if (busLatency.getMinimum() > 0) {
            subContributor.setMinimum(busLatency.getMinimum());
            subContributor.setBestCaseMethod(LatencyContributorMethod.SPECIFIED);
        } else {
            // XXX: [Code Coverage] Only executable if minBusTransferTime or minBusLatency is negative.
            subContributor.setBestCaseMethod(LatencyContributorMethod.UNKNOWN);
        }
        latencyContributor.addSubContributor(subContributor);
    }
}

Example 5 with ConnectionInstance

use of org.osate.aadl2.instance.ConnectionInstance in project osate2 by osate.

the class FlowLatencyAnalysisSwitch method sortBoundConnectionsHelper.

private static final void sortBoundConnectionsHelper(final ComponentInstance compInstance, final Map<ComponentInstance, Set<ConnectionInstance>> map) {
    for (final ConnectionInstance ci : compInstance.getConnectionInstances()) {
        final List<InstanceObject> bindings = DeploymentProperties.getActualConnectionBinding(ci).orElse(Collections.emptyList());
        for (final InstanceObject io : bindings) {
            final ComponentInstance componentInstance = (ComponentInstance) io;
            addToHashedSet(map, componentInstance, ci);
            processComponentBindings(map, ci, componentInstance);
        }
    }
    for (final ComponentInstance child : compInstance.getComponentInstances()) {
        sortBoundConnectionsHelper(child, map);
    }
}