Examples with YFlowValidationFsm org.openkilda.wfm.topology.flowhs.fsm.yflow.validation.YFlowValidationFsm used on opensource projects

Example 1 with YFlowValidationFsm

use of org.openkilda.wfm.topology.flowhs.fsm.yflow.validation.YFlowValidationFsm in project open-kilda by telstra.

the class YFlowValidationHubService method handleAsyncResponse.

/**
 * Handles async response from worker.
 *
 * @param key command identifier.
 */
public void handleAsyncResponse(@NonNull String key, @NonNull String flowId, @NonNull MessageData data) throws UnknownKeyException {
    log.debug("Received worker response {}", data);
    YFlowValidationFsm fsm = fsmRegister.getFsmByKey(key).orElseThrow(() -> new UnknownKeyException(key));
    if (fsm.getValidatingSubFlows().contains(flowId)) {
        flowValidationService.handleAsyncResponseByFlowId(flowId, data);
        // After handling an event by FlowUpdate service, we should propagate execution to the FSM.
        fsmExecutor.fire(fsm, Event.NEXT);
    } else {
        YFlowValidationContext context = YFlowValidationContext.builder().speakerResponse(data).build();
        if (data instanceof ErrorData) {
            fsmExecutor.fire(fsm, Event.ERROR_RECEIVED, context);
        } else {
            fsmExecutor.fire(fsm, Event.RESPONSE_RECEIVED, context);
        }
    }
    removeIfFinished(fsm, key);
}

Example 2 with YFlowValidationFsm

use of org.openkilda.wfm.topology.flowhs.fsm.yflow.validation.YFlowValidationFsm in project open-kilda by telstra.

the class YFlowValidationHubService method handleRequest.

/**
 * Handles request for y-flow validating.
 *
 * @param key command identifier.
 * @param yFlowId requested y-flow to validate.
 */
public void handleRequest(@NonNull String key, @NonNull CommandContext commandContext, @NonNull String yFlowId) throws DuplicateKeyException {
    log.debug("Handling y-flow validation request with key {} and y-flow ID: {}", key, yFlowId);
    if (fsmRegister.hasRegisteredFsmWithKey(key)) {
        throw new DuplicateKeyException(key, "There's another active FSM with the same key");
    }
    if (fsmRegister.hasRegisteredFsmWithFlowId(yFlowId)) {
        sendErrorResponseToNorthbound(ErrorType.ALREADY_EXISTS, "Could not validate y-flow", format("Y-flow %s is already validating now", yFlowId), commandContext);
        log.error("Attempt to create a FSM with key {}, while there's another active FSM for the same yFlowId {}.", key, yFlowId);
        return;
    }
    YFlowValidationFsm fsm = fsmFactory.newInstance(commandContext, yFlowId, eventListeners);
    fsmRegister.registerFsm(key, fsm);
    YFlowValidationContext context = YFlowValidationContext.builder().build();
    fsm.start(context);
    fsmExecutor.fire(fsm, Event.NEXT, context);
    removeIfFinished(fsm, key);
}

Example 3 with YFlowValidationFsm

use of org.openkilda.wfm.topology.flowhs.fsm.yflow.validation.YFlowValidationFsm in project open-kilda by telstra.

the class CompleteYFlowValidationAction method performWithResponse.

@Override
public Optional<Message> performWithResponse(State from, State to, Event event, YFlowValidationContext context, YFlowValidationFsm stateMachine) throws FlowNotFoundException, SwitchNotFoundException {
    YFlowDiscrepancyDto resourcesValidationResult = validationService.validateYFlowResources(stateMachine.getYFlowId(), stateMachine.getReceivedRules(), stateMachine.getReceivedMeters());
    YFlowValidationResponse result = new YFlowValidationResponse();
    result.setYFlowValidationResult(resourcesValidationResult);
    result.setSubFlowValidationResults(stateMachine.getSubFlowValidationResults());
    boolean notAsExpected = !resourcesValidationResult.isAsExpected() || stateMachine.getSubFlowValidationResults().stream().map(FlowValidationResponse::getAsExpected).anyMatch(n -> !n);
    result.setAsExpected(!notAsExpected);
    CommandContext commandContext = stateMachine.getCommandContext();
    InfoMessage message = new InfoMessage(result, commandContext.getCreateTime(), commandContext.getCorrelationId());
    return Optional.of(message);
}

Example 4 with YFlowValidationFsm

use of org.openkilda.wfm.topology.flowhs.fsm.yflow.validation.YFlowValidationFsm in project open-kilda by telstra.

the class YFlowValidationHubService method handleTimeout.

/**
 * Handles timeout case.
 *
 * @param key command identifier.
 */
public void handleTimeout(@NonNull String key) throws UnknownKeyException {
    log.debug("Handling timeout for {}", key);
    YFlowValidationFsm fsm = fsmRegister.getFsmByKey(key).orElseThrow(() -> new UnknownKeyException(key));
    // Propagate timeout event to all sub-flow processing FSMs.
    fsm.getValidatingSubFlows().forEach(flowId -> {
        try {
            flowValidationService.handleTimeoutByFlowId(flowId);
        } catch (UnknownKeyException e) {
            log.error("Failed to handle a timeout event by FlowUpdateService for {}.", flowId);
        }
    });
    fsmExecutor.fire(fsm, Event.TIMEOUT);
    removeIfFinished(fsm, key);
}