Examples with FlowEntry org.onosproject.net.flow.FlowEntry used on opensource projects

Example 91 with FlowEntry

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

the class FlowBucket method remove.

/**
 * Removes the given flow rule from the bucket.
 *
 * @param rule  the rule to remove
 * @param term  the term in which the change occurred
 * @param clock the logical clock
 * @return the removed flow entry
 */
public FlowEntry remove(FlowEntry rule, long term, LogicalClock clock) {
    final AtomicReference<FlowEntry> removedRule = new AtomicReference<>();
    flowBucket.computeIfPresent(rule.id(), (flowId, flowEntries) -> {
        flowEntries.computeIfPresent((StoredFlowEntry) rule, (k, stored) -> {
            if (rule instanceof DefaultFlowEntry) {
                DefaultFlowEntry toRemove = (DefaultFlowEntry) rule;
                if (stored instanceof DefaultFlowEntry) {
                    DefaultFlowEntry storedEntry = (DefaultFlowEntry) stored;
                    if (toRemove.created() < storedEntry.created()) {
                        LOGGER.debug("Trying to remove more recent flow entry {} (stored: {})", toRemove, stored);
                        // the key is not updated, removedRule remains null
                        return stored;
                    }
                }
            }
            removedRule.set(stored);
            return null;
        });
        return flowEntries.isEmpty() ? null : flowEntries;
    });
    if (removedRule.get() != null) {
        recordUpdate(term, clock.getTimestamp());
        return removedRule.get();
    } else {
        return null;
    }
}

Example 92 with FlowEntry

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

the class PolatisOpticalUtility method toFlowRule.

/**
 * Finds the FlowRule from flow rule store by the given ports and channel.
 * Returns an extra flow to remove the flow by ONOS if not found.
 * @param behaviour the parent driver handler
 * @param inPort the input port
 * @param outPort the output port
 * @return the flow rule
 */
public static FlowRule toFlowRule(HandlerBehaviour behaviour, PortNumber inPort, PortNumber outPort) {
    FlowRuleService service = behaviour.handler().get(FlowRuleService.class);
    Iterable<FlowEntry> entries = service.getFlowEntries(behaviour.data().deviceId());
    // Try to Find the flow from flow rule store.
    for (FlowEntry entry : entries) {
        Set<Criterion> criterions = entry.selector().criteria();
        // input port
        PortNumber ip = criterions.stream().filter(c -> c instanceof PortCriterion).map(c -> ((PortCriterion) c).port()).findAny().orElse(null);
        // output port
        PortNumber op = entry.treatment().immediate().stream().filter(c -> c instanceof Instructions.OutputInstruction).map(c -> ((Instructions.OutputInstruction) c).port()).findAny().orElse(null);
        if (inPort.equals(ip) && outPort.equals(op)) {
            // Find the flow.
            return entry;
        }
    }
    // Cannot find the flow from store. So report an extra flow to remove the flow by ONOS.
    TrafficSelector selector = DefaultTrafficSelector.builder().matchInPort(inPort).build();
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(outPort).build();
    return DefaultFlowRule.builder().forDevice(behaviour.data().deviceId()).withSelector(selector).withTreatment(treatment).makePermanent().withPriority(DEFAULT_PRIORITY).fromApp(behaviour.handler().get(CoreService.class).getAppId(DEFAULT_APP)).build();
}

Example 93 with FlowEntry

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

the class PolatisInternalConnectivity method getUsedPorts.

private Set<PortNumber> getUsedPorts() {
    Set<PortNumber> usedPorts = new HashSet<PortNumber>();
    Collection<FlowEntry> flowEntries = parseConnections(this);
    for (FlowEntry flowEntry : flowEntries) {
        usedPorts.add(((PortCriterion) flowEntry.selector().getCriterion(Criterion.Type.IN_PORT)).port());
        usedPorts.add(((OutputInstruction) flowEntry.treatment().allInstructions().get(0)).port());
    }
    return usedPorts;
}

Example 94 with FlowEntry

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

the class PolatisInternalConnectivity method getOutputPorts.

/**
 * Returns a set of possible output PortNumbers to which a given input port can be internally connected
 * on a given device.
 * <p>
 * This is a callback method required by the InternalConnectivity behaviour.
 * @param inputPortNum Input port number on device
 * @return             List of possible output ports
 */
@Override
public Set<PortNumber> getOutputPorts(PortNumber inputPortNum) {
    // NOTE: in this implementation, inputPortNum is the supplied port number and
    // can be an "input" port OR an "output" port
    // This reflects the fact that reverse propagation is possible through a Polatis switch
    // (output port -> input port)
    Set<PortNumber> ports = new HashSet<PortNumber>();
    Set<PortNumber> enabledPorts = new HashSet<PortNumber>();
    Collection<FlowEntry> flowEntries = parseConnections(this);
    // e.g. one selector (IN_PORT) and one action (set output port)
    if (flowEntries.stream().map(flow -> ((PortCriterion) flow.selector().getCriterion(Criterion.Type.IN_PORT)).port()).collect(Collectors.toSet()).contains(inputPortNum) || flowEntries.stream().map(flow -> ((OutputInstruction) flow.treatment().allInstructions().get(0)).port()).collect(Collectors.toSet()).contains(inputPortNum)) {
        log.warn("Queried port {} is already used in a cross-connect", inputPortNum);
        return ports;
    } else {
        DeviceId deviceID = handler().data().deviceId();
        DeviceService deviceService = checkNotNull(this.handler().get(DeviceService.class));
        Port inputPort = deviceService.getPort(new ConnectPoint(deviceID, inputPortNum));
        if (inputPort.annotations().value(KEY_PORTDIR).equals(VALUE_CC)) {
            ports = deviceService.getPorts(deviceID).stream().filter(p -> !p.equals(inputPortNum)).map(p -> p.number()).collect(Collectors.toSet());
        } else {
            ports = deviceService.getPorts(deviceID).stream().filter((p) -> {
                Port port = deviceService.getPort(new ConnectPoint(deviceID, p.number()));
                return !port.annotations().value(KEY_PORTDIR).equals(inputPort.annotations().value(KEY_PORTDIR));
            }).map(p -> p.number()).collect(Collectors.toSet());
        }
        // Remove disabled ports
        enabledPorts = ports.stream().filter(p -> deviceService.getPort(new ConnectPoint(deviceID, p)).isEnabled()).collect(Collectors.toSet());
    }
    log.debug("Ports before filtering out used and disabled ones: " + ports);
    return filterUsedPorts(enabledPorts, flowEntries);
}

Example 95 with FlowEntry

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

the class PolatisOpticalUtility method toFlowRule.

/**
 * Finds the FlowRule from flow rule store by the given ports and channel.
 * Returns an extra flow to remove the flow by ONOS if not found.
 * @param behaviour the parent driver handler
 * @param inPort the input port
 * @param outPort the output port
 * @return the flow rule
 */
public static FlowRule toFlowRule(HandlerBehaviour behaviour, PortNumber inPort, PortNumber outPort) {
    FlowRuleService service = behaviour.handler().get(FlowRuleService.class);
    Iterable<FlowEntry> entries = service.getFlowEntries(behaviour.data().deviceId());
    // Try to Find the flow from flow rule store.
    for (FlowEntry entry : entries) {
        Set<Criterion> criterions = entry.selector().criteria();
        // input port
        PortNumber ip = criterions.stream().filter(c -> c instanceof PortCriterion).map(c -> ((PortCriterion) c).port()).findAny().orElse(null);
        // output port
        PortNumber op = entry.treatment().immediate().stream().filter(c -> c instanceof Instructions.OutputInstruction).map(c -> ((Instructions.OutputInstruction) c).port()).findAny().orElse(null);
        if (inPort.equals(ip) && outPort.equals(op)) {
            // Find the flow.
            return entry;
        }
    }
    // Cannot find the flow from store. So report an extra flow to remove the flow by ONOS.
    TrafficSelector selector = DefaultTrafficSelector.builder().matchInPort(inPort).build();
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(outPort).build();
    return DefaultFlowRule.builder().forDevice(behaviour.data().deviceId()).withSelector(selector).withTreatment(treatment).makePermanent().withPriority(DEFAULT_PRIORITY).fromApp(behaviour.handler().get(CoreService.class).getAppId(DEFAULT_APP)).build();
}