Examples with Flow org.openkilda.messaging.model.Flow used on opensource projects

Example 1 with Flow

use of org.openkilda.messaging.model.Flow in project open-kilda by telstra.

the class CacheBolt method emitRerouteCommands.

private void emitRerouteCommands(Set<ImmutablePair<Flow, Flow>> flows, Tuple tuple, String correlationId, FlowOperation operation) {
    for (ImmutablePair<Flow, Flow> flow : flows) {
        try {
            flow.getLeft().setState(FlowState.DOWN);
            flow.getRight().setState(FlowState.DOWN);
            FlowRerouteRequest request = new FlowRerouteRequest(flow.getLeft(), operation);
            Values values = new Values(Utils.MAPPER.writeValueAsString(new CommandMessage(request, System.currentTimeMillis(), correlationId, Destination.WFM)));
            outputCollector.emit(StreamType.WFM_DUMP.toString(), tuple, values);
            logger.debug("Flow {} reroute command message sent with correlationId {}", flow.getLeft().getFlowId(), correlationId);
        } catch (JsonProcessingException exception) {
            logger.error("Could not format flow reroute request by flow={}", flow, exception);
        }
    }
}

Example 2 with Flow

use of org.openkilda.messaging.model.Flow in project open-kilda by telstra.

the class CacheBolt method emitRestoreCommands.

private void emitRestoreCommands(Set<ImmutablePair<Flow, Flow>> flows, Tuple tuple) {
    if (flows != null) {
        ResourceCache resourceCache = new ResourceCache();
        for (ImmutablePair<Flow, Flow> flow : flows) {
            resourceCache.allocateFlow(flow);
        }
        for (ImmutablePair<Flow, Flow> flow : flows) {
            try {
                FlowRestoreRequest request = new FlowRestoreRequest(flowCache.buildFlow(flow.getLeft(), new ImmutablePair<>(null, null), resourceCache));
                resourceCache.deallocateFlow(flow);
                Values values = new Values(Utils.MAPPER.writeValueAsString(new CommandMessage(request, System.currentTimeMillis(), UUID.randomUUID().toString(), Destination.WFM)));
                outputCollector.emit(StreamType.WFM_DUMP.toString(), tuple, values);
                logger.info("Flow {} restore command message sent", flow.getLeft().getFlowId());
            } catch (JsonProcessingException exception) {
                logger.error("Could not format flow restore request by flow={}", flow, exception);
            }
        }
    }
}

Example 3 with Flow

use of org.openkilda.messaging.model.Flow in project open-kilda by telstra.

the class CrudBolt method handleUpdateRequest.

private void handleUpdateRequest(CommandMessage message, Tuple tuple) throws IOException {
    Flow requestedFlow = ((FlowUpdateRequest) message.getData()).getPayload();
    ImmutablePair<PathInfoData, PathInfoData> path;
    try {
        new FlowValidator(flowCache).checkFlowForEndpointConflicts(requestedFlow);
        path = pathComputer.getPath(requestedFlow, Strategy.COST);
        logger.info("Updated flow path: {}", path);
    } catch (FlowValidationException e) {
        throw new MessageException(message.getCorrelationId(), System.currentTimeMillis(), ErrorType.UPDATE_FAILURE, "Could not update flow", e.getMessage());
    } catch (UnroutablePathException e) {
        throw new MessageException(message.getCorrelationId(), System.currentTimeMillis(), ErrorType.UPDATE_FAILURE, "Could not update flow", "Path was not found");
    }
    ImmutablePair<Flow, Flow> flow = flowCache.updateFlow(requestedFlow, path);
    logger.info("Updated flow: {}", flow);
    FlowInfoData data = new FlowInfoData(requestedFlow.getFlowId(), flow, FlowOperation.UPDATE, message.getCorrelationId());
    InfoMessage infoMessage = new InfoMessage(data, System.currentTimeMillis(), message.getCorrelationId());
    Values topology = new Values(MAPPER.writeValueAsString(infoMessage));
    outputCollector.emit(StreamType.UPDATE.toString(), tuple, topology);
    Values northbound = new Values(new InfoMessage(new FlowResponse(buildFlowResponse(flow)), message.getTimestamp(), message.getCorrelationId(), Destination.NORTHBOUND));
    outputCollector.emit(StreamType.RESPONSE.toString(), tuple, northbound);
}

Example 4 with Flow

use of org.openkilda.messaging.model.Flow in project open-kilda by telstra.

the class CrudBolt method handleRestoreRequest.

private void handleRestoreRequest(CommandMessage message, Tuple tuple) throws IOException {
    ImmutablePair<Flow, Flow> requestedFlow = ((FlowRestoreRequest) message.getData()).getPayload();
    try {
        ImmutablePair<PathInfoData, PathInfoData> path = pathComputer.getPath(requestedFlow.getLeft(), Strategy.COST);
        logger.info("Restored flow path: {}", path);
        ImmutablePair<Flow, Flow> flow;
        if (flowCache.cacheContainsFlow(requestedFlow.getLeft().getFlowId())) {
            flow = flowCache.updateFlow(requestedFlow, path);
        } else {
            flow = flowCache.createFlow(requestedFlow, path);
        }
        logger.info("Restored flow: {}", flow);
        Values topology = new Values(Utils.MAPPER.writeValueAsString(new FlowInfoData(requestedFlow.getLeft().getFlowId(), flow, FlowOperation.UPDATE, message.getCorrelationId())));
        outputCollector.emit(StreamType.UPDATE.toString(), tuple, topology);
    } catch (UnroutablePathException e) {
        throw new MessageException(message.getCorrelationId(), System.currentTimeMillis(), ErrorType.CREATION_FAILURE, "Could not restore flow", "Path was not found");
    }
}

Example 5 with Flow

use of org.openkilda.messaging.model.Flow in project open-kilda by telstra.

the class CrudBolt method handleCreateRequest.

private void handleCreateRequest(CommandMessage message, Tuple tuple) throws IOException {
    Flow requestedFlow = ((FlowCreateRequest) message.getData()).getPayload();
    ImmutablePair<PathInfoData, PathInfoData> path;
    try {
        new FlowValidator(flowCache).checkFlowForEndpointConflicts(requestedFlow);
        path = pathComputer.getPath(requestedFlow, Strategy.COST);
        logger.info("Created flow path: {}", path);
    } catch (FlowValidationException e) {
        throw new MessageException(message.getCorrelationId(), System.currentTimeMillis(), ErrorType.CREATION_FAILURE, "Could not create flow", e.getMessage());
    } catch (UnroutablePathException e) {
        throw new MessageException(message.getCorrelationId(), System.currentTimeMillis(), ErrorType.CREATION_FAILURE, "Could not create flow", "Path was not found");
    }
    ImmutablePair<Flow, Flow> flow = flowCache.createFlow(requestedFlow, path);
    logger.info("Created flow: {}", flow);
    FlowInfoData data = new FlowInfoData(requestedFlow.getFlowId(), flow, FlowOperation.CREATE, message.getCorrelationId());
    InfoMessage infoMessage = new InfoMessage(data, System.currentTimeMillis(), message.getCorrelationId());
    Values topology = new Values(MAPPER.writeValueAsString(infoMessage));
    outputCollector.emit(StreamType.CREATE.toString(), tuple, topology);
    Values northbound = new Values(new InfoMessage(new FlowResponse(buildFlowResponse(flow)), message.getTimestamp(), message.getCorrelationId(), Destination.NORTHBOUND));
    outputCollector.emit(StreamType.RESPONSE.toString(), tuple, northbound);
}