Examples with ObjectiveContext org.onosproject.net.flowobjective.ObjectiveContext used on opensource projects

Example 66 with ObjectiveContext

use of org.onosproject.net.flowobjective.ObjectiveContext in project trellis-control by opennetworkinglab.

the class RoutingRulePopulator method updateFwdObj.

/**
 * Update Forwarding objective for each host and IP address connected to given port.
 * And create corresponding Simple Next objective if it does not exist.
 * Applied only when populating Forwarding objective
 * @param deviceId switch ID to set the rule
 * @param portNumber port number
 * @param prefix IP prefix of the route
 * @param hostMac MAC address of the next hop
 * @param vlanId Vlan ID of the port
 * @param popVlan true to pop vlan tag in TrafficTreatment
 * @param install true to populate the forwarding objective, false to revoke
 * @return a completable future that completes when the fwdobj completes. In case of removal,
 * the completable future completes when also the nextobj completes.
 */
CompletableFuture<Objective> updateFwdObj(DeviceId deviceId, PortNumber portNumber, IpPrefix prefix, MacAddress hostMac, VlanId vlanId, boolean popVlan, boolean install) {
    ForwardingObjective.Builder fob;
    TrafficSelector.Builder sbuilder = buildIpSelectorFromIpPrefix(prefix);
    MacAddress deviceMac;
    try {
        deviceMac = config.getDeviceMac(deviceId);
    } catch (DeviceConfigNotFoundException e) {
        log.warn(e.getMessage() + " Aborting updateFwdObj.");
        return CompletableFuture.completedFuture(null);
    }
    TrafficTreatment.Builder tbuilder = DefaultTrafficTreatment.builder();
    tbuilder.deferred().setEthDst(hostMac).setEthSrc(deviceMac).setOutput(portNumber);
    TrafficSelector.Builder mbuilder = DefaultTrafficSelector.builder();
    if (!popVlan) {
        mbuilder.matchVlanId(vlanId);
        tbuilder.setVlanId(vlanId);
    } else {
        mbuilder.matchVlanId(vlanId);
        tbuilder.popVlan();
    }
    // if the objective is to revoke an existing rule, and for some reason
    // the next-objective does not exist, then a new one should not be created
    int portNextObjId = srManager.getPortNextObjectiveId(deviceId, portNumber, tbuilder.build(), mbuilder.build(), install);
    CompletableFuture<Objective> future = new CompletableFuture<>();
    if (portNextObjId == -1) {
        // Warning log will come from getPortNextObjective method
        return CompletableFuture.completedFuture(null);
    }
    fob = DefaultForwardingObjective.builder().withSelector(sbuilder.build()).nextStep(portNextObjId).fromApp(srManager.appId).makePermanent().withPriority(getPriorityFromPrefix(prefix)).withFlag(ForwardingObjective.Flag.SPECIFIC);
    ObjectiveContext context = new DefaultObjectiveContext((objective) -> {
        log.debug("IP rule for route {} {}", prefix, install ? "installed" : "revoked");
        future.complete(objective);
    }, (objective, error) -> {
        log.warn("Failed to {} IP rule for route {}: {}", install ? "install" : "revoke", prefix, error);
        future.complete(null);
    });
    srManager.flowObjectiveService.forward(deviceId, install ? fob.add(context) : fob.remove(context));
    if (!install) {
        if (!srManager.getVlanPortMap(deviceId).containsKey(vlanId) || !srManager.getVlanPortMap(deviceId).get(vlanId).contains(portNumber)) {
            DefaultGroupHandler grpHandler = srManager.getGroupHandler(deviceId);
            if (grpHandler == null) {
                log.warn("updateFwdObj: groupHandler for device {} not found", deviceId);
            } else {
                // Before moving forward we have to be sure flow has been removed;
                try {
                    future.get();
                } catch (InterruptedException | ExecutionException e) {
                    log.warn("Exception caught when executing IP rule removal for route {}", prefix);
                }
                // Flow future has been already consumed (normally or exceptionally)
                return grpHandler.removeGroupFromPort(portNumber, tbuilder.build(), mbuilder.build());
            }
        }
    }
    return future;
}

Example 67 with ObjectiveContext

use of org.onosproject.net.flowobjective.ObjectiveContext in project trellis-control by opennetworkinglab.

the class RoutingRulePopulator method updateBridging.

/**
 * Populate or revoke a bridging rule on given deviceId that matches given vlanId,
 * and hostMAC connected to given port, and output to given port only when
 * vlan information is valid.
 *
 * @param deviceId device ID that host attaches to
 * @param portNum port number that host attaches to
 * @param hostMac mac address of the host connected to the switch port
 * @param vlanId Vlan ID configured on the switch port
 * @param popVlan true to pop Vlan tag at TrafficTreatment, false otherwise
 * @param install true to populate the objective, false to revoke
 * @return a completable future that completes when the update of the bridging rule completes
 */
// TODO Refactor. There are a lot of duplications between this method, populateBridging,
// revokeBridging and bridgingFwdObjBuilder.
CompletableFuture<Objective> updateBridging(DeviceId deviceId, PortNumber portNum, MacAddress hostMac, VlanId vlanId, boolean popVlan, boolean install) {
    // Create host selector
    TrafficSelector.Builder sbuilder = DefaultTrafficSelector.builder();
    sbuilder.matchEthDst(hostMac);
    // Create host meta
    TrafficSelector.Builder mbuilder = DefaultTrafficSelector.builder();
    sbuilder.matchVlanId(vlanId);
    mbuilder.matchVlanId(vlanId);
    // Create host treatment
    TrafficTreatment.Builder tbuilder = DefaultTrafficTreatment.builder();
    tbuilder.immediate().setOutput(portNum);
    if (popVlan) {
        tbuilder.immediate().popVlan();
    }
    int portNextObjId = srManager.getPortNextObjectiveId(deviceId, portNum, tbuilder.build(), mbuilder.build(), install);
    CompletableFuture<Objective> future = new CompletableFuture<>();
    if (portNextObjId != -1) {
        ForwardingObjective.Builder fob = DefaultForwardingObjective.builder().withFlag(ForwardingObjective.Flag.SPECIFIC).withSelector(sbuilder.build()).nextStep(portNextObjId).withPriority(100).fromApp(srManager.appId).makePermanent();
        ObjectiveContext context = new DefaultObjectiveContext((objective) -> {
            log.debug("Brigding rule for {}/{} {}", hostMac, vlanId, install ? "populated" : "revoked");
            future.complete(objective);
        }, (objective, error) -> {
            log.warn("Failed to {} bridging rule for {}/{}: {}", install ? "populate" : "revoke", hostMac, vlanId, error);
            future.complete(null);
        });
        srManager.flowObjectiveService.forward(deviceId, install ? fob.add(context) : fob.remove(context));
    } else {
        log.warn("Failed to retrieve next objective for {}/{}", hostMac, vlanId);
        return CompletableFuture.completedFuture(null);
    }
    return future;
}

Example 68 with ObjectiveContext

use of org.onosproject.net.flowobjective.ObjectiveContext in project trellis-control by opennetworkinglab.

the class RoutingRulePopulator method handleMpls.

/**
 * Differentiates between popping and swapping labels when building an MPLS
 * forwarding objective.
 *
 * @param targetSwId the target sw
 * @param destSwId the destination sw
 * @param nextHops the set of next hops
 * @param segmentId the segmentId to match representing the destination
 *            switch
 * @param routerIp the router ip representing the destination switch
 * @return a collection of fwdobjective
 */
private Collection<ForwardingObjective> handleMpls(DeviceId targetSwId, DeviceId destSwId, Set<DeviceId> nextHops, int segmentId, IpAddress routerIp, boolean isMplsBos) {
    TrafficSelector.Builder sbuilder = DefaultTrafficSelector.builder();
    List<ForwardingObjective.Builder> fwdObjBuilders = Lists.newArrayList();
    // For the transport of Pwaas we can use two or three MPLS label
    sbuilder.matchEthType(Ethernet.MPLS_UNICAST);
    sbuilder.matchMplsLabel(MplsLabel.mplsLabel(segmentId));
    sbuilder.matchMplsBos(isMplsBos);
    TrafficSelector selector = sbuilder.build();
    // setup metadata to pass to nextObjective - indicate the vlan on egress
    // if needed by the switch pipeline. Since mpls next-hops are always to
    // other neighboring routers, there is no subnet assigned on those ports.
    TrafficSelector.Builder metabuilder = DefaultTrafficSelector.builder(selector);
    metabuilder.matchVlanId(srManager.getDefaultInternalVlan());
    if (nextHops.size() == 1 && destSwId.equals(nextHops.toArray()[0])) {
        // If the next hop is the destination router for the segment, do pop
        log.debug("populateMplsRule: Installing MPLS forwarding objective for " + "label {} in switch {} with pop to next-hops {}", segmentId, targetSwId, nextHops);
        ForwardingObjective.Builder fwdObjNoBosBuilder = getMplsForwardingObjective(targetSwId, nextHops, true, isMplsBos, metabuilder.build(), routerIp, segmentId, destSwId);
        // Error case, we cannot handle, exit.
        if (fwdObjNoBosBuilder == null) {
            return Collections.emptyList();
        }
        fwdObjBuilders.add(fwdObjNoBosBuilder);
    } else {
        // next hop is not destination, irrespective of the number of next
        // hops (1 or more) -- SR CONTINUE case (swap with self)
        log.debug("Installing MPLS forwarding objective for " + "label {} in switch {} without pop to next-hops {}", segmentId, targetSwId, nextHops);
        ForwardingObjective.Builder fwdObjNoBosBuilder = getMplsForwardingObjective(targetSwId, nextHops, false, isMplsBos, metabuilder.build(), routerIp, segmentId, destSwId);
        // Error case, we cannot handle, exit.
        if (fwdObjNoBosBuilder == null) {
            return Collections.emptyList();
        }
        fwdObjBuilders.add(fwdObjNoBosBuilder);
    }
    List<ForwardingObjective> fwdObjs = Lists.newArrayList();
    // We add the final property to the fwdObjs.
    for (ForwardingObjective.Builder fwdObjBuilder : fwdObjBuilders) {
        ((Builder) ((Builder) fwdObjBuilder.fromApp(srManager.appId).makePermanent()).withSelector(selector).withPriority(SegmentRoutingService.DEFAULT_PRIORITY)).withFlag(ForwardingObjective.Flag.SPECIFIC);
        ObjectiveContext context = new DefaultObjectiveContext((objective) -> log.debug("MPLS rule {} for SID {} populated in dev:{} ", objective.id(), segmentId, targetSwId), (objective, error) -> log.warn("Failed to populate MPLS rule {} for SID {}: {} in dev:{}", objective.id(), segmentId, error, targetSwId));
        ForwardingObjective fob = fwdObjBuilder.add(context);
        fwdObjs.add(fob);
    }
    return fwdObjs;
}

Example 69 with ObjectiveContext

use of org.onosproject.net.flowobjective.ObjectiveContext in project trellis-control by opennetworkinglab.

the class AppConfigHandler method revokeVRouter.

private void revokeVRouter(DeviceId deviceId, Set<MacAddress> pendingRemove) {
    if (!isEdge(deviceId)) {
        return;
    }
    getVRouterFlowObjBuilders(pendingRemove).forEach(foBuilder -> {
        ObjectiveContext context = new DefaultObjectiveContext((objective) -> log.debug("vRouterMac filter for {} revoked", pendingRemove), (objective, error) -> log.warn("Failed to revoke vRouterMac filter for {}: {}", pendingRemove, error));
        srManager.flowObjectiveService.filter(deviceId, foBuilder.remove(context));
    });
}