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

Example 21 with FlowRuleOperations

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

the class SpringOpenTTP method processFilter.

private void processFilter(FilteringObjective filt, boolean install, ApplicationId applicationId) {
    // ports as the key
    if (filt.key().equals(Criteria.dummy()) || filt.key().type() != Criterion.Type.IN_PORT) {
        log.warn("No key defined in filtering objective from app: {}. Not" + "processing filtering objective", applicationId);
        fail(filt, ObjectiveError.UNKNOWN);
        return;
    }
    EthCriterion ethCriterion = null;
    VlanIdCriterion vlanIdCriterion = null;
    // convert filtering conditions for switch-intfs into flowrules
    FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
    for (Criterion criterion : filt.conditions()) {
        if (criterion.type() == Criterion.Type.ETH_DST) {
            ethCriterion = (EthCriterion) criterion;
        } else if (criterion.type() == Criterion.Type.VLAN_VID) {
            vlanIdCriterion = (VlanIdCriterion) criterion;
        } else if (criterion.type() == Criterion.Type.IPV4_DST) {
            log.debug("driver does not process IP filtering rules as it " + "sends all misses in the IP table to the controller");
        } else {
            log.warn("Driver does not currently process filtering condition" + " of type: {}", criterion.type());
            fail(filt, ObjectiveError.UNSUPPORTED);
        }
    }
    VlanId assignedVlan = null;
    VlanId modifiedVlan = null;
    VlanId pushedVlan = null;
    boolean pushVlan = false;
    boolean popVlan = false;
    if (vlanIdCriterion != null) {
        if (filt.meta() != null) {
            for (Instruction i : filt.meta().allInstructions()) {
                if (i instanceof L2ModificationInstruction) {
                    if (((L2ModificationInstruction) i).subtype().equals(L2ModificationInstruction.L2SubType.VLAN_PUSH)) {
                        pushVlan = true;
                    } else if (((L2ModificationInstruction) i).subtype().equals(L2ModificationInstruction.L2SubType.VLAN_POP)) {
                        if (modifiedVlan != null) {
                            log.error("Pop tag is not allowed after modify VLAN operation " + "in filtering objective", deviceId);
                            fail(filt, ObjectiveError.BADPARAMS);
                            return;
                        }
                        popVlan = true;
                    }
                }
                if (i instanceof ModVlanIdInstruction) {
                    if (pushVlan && vlanIdCriterion.vlanId() != VlanId.NONE) {
                        // Modify VLAN should not appear after pushing a new tag
                        if (pushedVlan != null) {
                            log.error("Modify VLAN not allowed after push tag operation " + "in filtering objective", deviceId);
                            fail(filt, ObjectiveError.BADPARAMS);
                            return;
                        }
                        pushedVlan = ((ModVlanIdInstruction) i).vlanId();
                    } else if (vlanIdCriterion.vlanId() == VlanId.NONE) {
                        // For untagged packets the pushed VLAN ID will be saved in assignedVlan
                        // just to ensure the driver works as designed for the fabric use case
                        assignedVlan = ((ModVlanIdInstruction) i).vlanId();
                    } else {
                        // For tagged packets modifiedVlan will contain the modified value of existing tag
                        if (modifiedVlan != null) {
                            log.error("Driver does not allow multiple modify VLAN operations " + "in the same filtering objective", deviceId);
                            fail(filt, ObjectiveError.BADPARAMS);
                            return;
                        }
                        modifiedVlan = ((ModVlanIdInstruction) i).vlanId();
                    }
                }
            }
        }
        // For VLAN cross-connect packets, use the configured VLAN unless there is an explicitly provided VLAN ID
        if (vlanIdCriterion.vlanId() != VlanId.NONE) {
            if (assignedVlan == null) {
                assignedVlan = vlanIdCriterion.vlanId();
            }
        // For untagged packets, assign a VLAN ID
        } else {
            if (filt.meta() == null) {
                log.error("Missing metadata in filtering objective required " + "for vlan assignment in dev {}", deviceId);
                fail(filt, ObjectiveError.BADPARAMS);
                return;
            }
            if (assignedVlan == null) {
                log.error("Driver requires an assigned vlan-id to tag incoming " + "untagged packets. Not processing vlan filters on " + "device {}", deviceId);
                fail(filt, ObjectiveError.BADPARAMS);
                return;
            }
        }
        if (pushVlan && popVlan) {
            log.error("Cannot push and pop vlan in the same filtering objective");
            fail(filt, ObjectiveError.BADPARAMS);
            return;
        }
        if (popVlan && vlanIdCriterion.vlanId() == VlanId.NONE) {
            log.error("Cannot pop vlan for untagged packets");
            fail(filt, ObjectiveError.BADPARAMS);
            return;
        }
        if ((pushVlan && pushedVlan == null) && vlanIdCriterion.vlanId() != VlanId.NONE) {
            log.error("No VLAN ID provided for push tag operation");
            fail(filt, ObjectiveError.BADPARAMS);
            return;
        }
    }
    if (ethCriterion == null) {
        log.debug("filtering objective missing dstMac, cannot program TMAC table");
    } else {
        for (FlowRule tmacRule : processEthDstFilter(ethCriterion, vlanIdCriterion, filt, assignedVlan, applicationId)) {
            log.debug("adding MAC filtering rules in TMAC table: {} for dev: {}", tmacRule, deviceId);
            ops = install ? ops.add(tmacRule) : ops.remove(tmacRule);
        }
    }
    if (vlanIdCriterion == null) {
        log.debug("filtering objective missing VLAN ID criterion, " + "cannot program VLAN Table");
    } else {
        for (FlowRule vlanRule : processVlanIdFilter(vlanIdCriterion, filt, assignedVlan, modifiedVlan, pushedVlan, pushVlan, popVlan, applicationId)) {
            log.debug("adding VLAN filtering rule in VLAN table: {} for dev: {}", vlanRule, deviceId);
            ops = install ? ops.add(vlanRule) : ops.remove(vlanRule);
        }
    }
    // apply filtering flow rules
    flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {

        @Override
        public void onSuccess(FlowRuleOperations ops) {
            pass(filt);
            log.debug("Provisioned tables in {} with fitering " + "rules", deviceId);
        }

        @Override
        public void onError(FlowRuleOperations ops) {
            fail(filt, ObjectiveError.FLOWINSTALLATIONFAILED);
            log.warn("Failed to provision tables in {} with " + "fitering rules", deviceId);
        }
    }));
}

Example 22 with FlowRuleOperations

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

the class OvsOfdpaPipeline method initTableMiss.

/**
 * Install table-miss flow entry.
 *
 * If treatment exists, use it directly.
 * Else if treatment does not exist but nextTable > 0, transit to next table.
 * Else apply empty treatment.
 *
 * @param thisTable this table ID
 * @param nextTable next table ID
 * @param treatment traffic treatment to apply.
 */
private void initTableMiss(int thisTable, int nextTable, TrafficTreatment treatment) {
    FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
    TrafficSelector selector = DefaultTrafficSelector.builder().build();
    if (treatment == null) {
        TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
        if (nextTable > 0) {
            tBuilder.transition(nextTable);
        }
        treatment = tBuilder.build();
    }
    FlowRule rule = DefaultFlowRule.builder().forDevice(deviceId).withSelector(selector).withTreatment(treatment).withPriority(LOWEST_PRIORITY).fromApp(driverId).makePermanent().forTable(thisTable).build();
    ops = ops.add(rule);
    flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {

        @Override
        public void onSuccess(FlowRuleOperations ops) {
            log.info("Initialized table {} on {}", thisTable, deviceId);
        }

        @Override
        public void onError(FlowRuleOperations ops) {
            log.warn("Failed to initialize table {} on {}", thisTable, deviceId);
        }
    }));
}

Example 23 with FlowRuleOperations

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

the class OvsOfdpaPipeline method initPuntTable.

/**
 * Install lldp/bbdp matching rules at table PUNT_TABLE
 * that forward traffic to controller.
 */
private void initPuntTable() {
    FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().punt().build();
    // Add punt rule for LLDP and BDDP
    TrafficSelector.Builder lldpSelector = DefaultTrafficSelector.builder();
    lldpSelector.matchEthType(EthType.EtherType.LLDP.ethType().toShort());
    FlowRule lldpRule = DefaultFlowRule.builder().forDevice(deviceId).withSelector(lldpSelector.build()).withTreatment(treatment).withPriority(HIGHEST_PRIORITY).fromApp(driverId).makePermanent().forTable(PUNT_TABLE).build();
    ops = ops.add(lldpRule);
    TrafficSelector.Builder bbdpSelector = DefaultTrafficSelector.builder();
    bbdpSelector.matchEthType(EthType.EtherType.BDDP.ethType().toShort());
    FlowRule bbdpRule = DefaultFlowRule.builder().forDevice(deviceId).withSelector(bbdpSelector.build()).withTreatment(treatment).withPriority(HIGHEST_PRIORITY).fromApp(driverId).makePermanent().forTable(PUNT_TABLE).build();
    ops.add(bbdpRule);
    flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {

        @Override
        public void onSuccess(FlowRuleOperations ops) {
            log.info("Initialized table {} on {}", PUNT_TABLE, deviceId);
        }

        @Override
        public void onError(FlowRuleOperations ops) {
            log.warn("Failed to initialize table {} on {}", PUNT_TABLE, deviceId);
        }
    }));
}

Example 24 with FlowRuleOperations

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

the class FlowRuleIntentInstaller method reallocate.

private void reallocate(IntentOperationContext<FlowRuleIntent> context) {
    Optional<IntentData> toUninstall = context.toUninstall();
    Optional<IntentData> toInstall = context.toInstall();
    // TODO: Update the Intent store with this information
    toInstall.get().setState(REALLOCATING);
    store.write(toInstall.get());
    List<FlowRuleIntent> uninstallIntents = Lists.newArrayList(context.intentsToUninstall());
    List<FlowRuleIntent> installIntents = Lists.newArrayList(context.intentsToInstall());
    FlowRuleOperations.Builder firstStageOperationsBuilder = FlowRuleOperations.builder();
    List<FlowRule> secondStageFlowRules = Lists.newArrayList();
    FlowRuleOperations.Builder thirdStageOperationsBuilder = FlowRuleOperations.builder();
    FlowRuleOperations.Builder finalStageOperationsBuilder = FlowRuleOperations.builder();
    prepareReallocation(uninstallIntents, installIntents, firstStageOperationsBuilder, secondStageFlowRules, thirdStageOperationsBuilder, finalStageOperationsBuilder);
    trackIntentResources(toUninstall.get(), uninstallIntents, REMOVE);
    trackIntentResources(toInstall.get(), installIntents, ADD);
    CountDownLatch stageCompleteLatch = new CountDownLatch(1);
    FlowRuleOperations firstStageOperations = firstStageOperationsBuilder.build(new StageOperation(context, stageCompleteLatch));
    flowRuleService.apply(firstStageOperations);
    try {
        stageCompleteLatch.await(nonDisruptiveInstallationWaitingTime, TimeUnit.SECONDS);
        if (isReallocationStageFailed) {
            log.error("Reallocation FAILED in stage one: the following FlowRuleOperations are not executed {}", firstStageOperations);
            return;
        } else {
            log.debug("Reallocation stage one completed");
        }
    } catch (Exception e) {
        log.warn("Latch exception in the reallocation stage one");
    }
    for (FlowRule flowRule : secondStageFlowRules) {
        stageCompleteLatch = new CountDownLatch(1);
        FlowRuleOperations operations = FlowRuleOperations.builder().newStage().remove(flowRule).build(new StageOperation(context, stageCompleteLatch));
        nonDisruptiveIntentInstaller.schedule(new NonDisruptiveInstallation(operations), nonDisruptiveInstallationWaitingTime, TimeUnit.SECONDS);
        try {
            stageCompleteLatch.await(nonDisruptiveInstallationWaitingTime, TimeUnit.SECONDS);
            if (isReallocationStageFailed) {
                log.error("Reallocation FAILED in stage two: " + "the following FlowRuleOperations are not executed {}", operations);
                return;
            } else {
                log.debug("Reallocation stage two completed");
            }
        } catch (Exception e) {
            log.warn("Latch exception in the reallocation stage two");
        }
    }
    stageCompleteLatch = new CountDownLatch(1);
    FlowRuleOperations thirdStageOperations = thirdStageOperationsBuilder.build(new StageOperation(context, stageCompleteLatch));
    nonDisruptiveIntentInstaller.schedule(new NonDisruptiveInstallation(thirdStageOperations), nonDisruptiveInstallationWaitingTime, TimeUnit.SECONDS);
    try {
        stageCompleteLatch.await(nonDisruptiveInstallationWaitingTime, TimeUnit.SECONDS);
        if (isReallocationStageFailed) {
            log.error("Reallocation FAILED in stage three: " + "the following FlowRuleOperations are not executed {}", thirdStageOperations);
            return;
        } else {
            log.debug("Reallocation stage three completed");
        }
    } catch (Exception e) {
        log.warn("Latch exception in the reallocation stage three");
    }
    FlowRuleOperationsContext flowRuleOperationsContext = new FlowRuleOperationsContext() {

        @Override
        public void onSuccess(FlowRuleOperations ops) {
            intentInstallCoordinator.intentInstallSuccess(context);
            log.info("Non-disruptive reallocation completed for intent {}", toInstall.get().key());
        }

        @Override
        public void onError(FlowRuleOperations ops) {
            intentInstallCoordinator.intentInstallFailed(context);
        }
    };
    FlowRuleOperations finalStageOperations = finalStageOperationsBuilder.build(flowRuleOperationsContext);
    flowRuleService.apply(finalStageOperations);
}

Example 25 with FlowRuleOperations

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

the class FlowRuleIntentInstaller method apply.

@Override
public void apply(IntentOperationContext<FlowRuleIntent> context) {
    Optional<IntentData> toUninstall = context.toUninstall();
    Optional<IntentData> toInstall = context.toInstall();
    if (toInstall.isPresent() && toUninstall.isPresent()) {
        Intent intentToInstall = toInstall.get().intent();
        if (requireNonDisruptive(intentToInstall) && INSTALLED.equals(toUninstall.get().state())) {
            reallocate(context);
            return;
        }
    }
    if (!toInstall.isPresent() && !toUninstall.isPresent()) {
        // Nothing to do.
        intentInstallCoordinator.intentInstallSuccess(context);
        return;
    }
    List<FlowRuleIntent> uninstallIntents = context.intentsToUninstall();
    List<FlowRuleIntent> installIntents = context.intentsToInstall();
    List<FlowRule> flowRulesToUninstall;
    List<FlowRule> flowRulesToInstall;
    if (toUninstall.isPresent()) {
        // Remove tracked resource from both Intent and installable Intents.
        trackIntentResources(toUninstall.get(), uninstallIntents, REMOVE);
        // Retrieves all flow rules from all flow rule Intents.
        flowRulesToUninstall = uninstallIntents.stream().map(FlowRuleIntent::flowRules).flatMap(Collection::stream).filter(flowRule -> flowRuleService.getFlowEntry(flowRule) != null).collect(Collectors.toList());
    } else {
        // No flow rules to be uninstalled.
        flowRulesToUninstall = Collections.emptyList();
    }
    if (toInstall.isPresent()) {
        // Track resource from both Intent and installable Intents.
        trackIntentResources(toInstall.get(), installIntents, ADD);
        // Retrieves all flow rules from all flow rule Intents.
        flowRulesToInstall = installIntents.stream().map(FlowRuleIntent::flowRules).flatMap(Collection::stream).collect(Collectors.toList());
    } else {
        // No flow rules to be installed.
        flowRulesToInstall = Collections.emptyList();
    }
    List<FlowRule> flowRuleToModify;
    List<FlowRule> dontTouch;
    // If both uninstall/install list contained equal (=match conditions are equal) FlowRules,
    // omit it from remove list, since it will/should be overwritten by install
    flowRuleToModify = flowRulesToInstall.stream().filter(flowRule -> flowRulesToUninstall.stream().anyMatch(flowRule::equals)).collect(Collectors.toList());
    // If both contained exactMatch-ing FlowRules, remove from both list,
    // since it will result in no-op.
    dontTouch = flowRulesToInstall.stream().filter(flowRule -> flowRulesToUninstall.stream().anyMatch(flowRule::exactMatch)).collect(Collectors.toList());
    flowRulesToUninstall.removeAll(flowRuleToModify);
    flowRulesToUninstall.removeAll(dontTouch);
    flowRulesToInstall.removeAll(flowRuleToModify);
    flowRulesToInstall.removeAll(dontTouch);
    flowRuleToModify.removeAll(dontTouch);
    if (flowRulesToInstall.isEmpty() && flowRulesToUninstall.isEmpty() && flowRuleToModify.isEmpty()) {
        // There is no flow rules to install/uninstall
        intentInstallCoordinator.intentInstallSuccess(context);
        return;
    }
    FlowRuleOperations.Builder builder = FlowRuleOperations.builder();
    // Add flows
    flowRulesToInstall.forEach(builder::add);
    // Modify flows
    flowRuleToModify.forEach(builder::modify);
    // Remove flows
    flowRulesToUninstall.forEach(builder::remove);
    FlowRuleOperationsContext flowRuleOperationsContext = new FlowRuleOperationsContext() {

        @Override
        public void onSuccess(FlowRuleOperations ops) {
            intentInstallCoordinator.intentInstallSuccess(context);
        }

        @Override
        public void onError(FlowRuleOperations ops) {
            intentInstallCoordinator.intentInstallFailed(context);
        }
    };
    FlowRuleOperations operations = builder.build(flowRuleOperationsContext);
    log.debug("applying intent {} -> {} with {} rules: {}", toUninstall.map(x -> x.key().toString()).orElse("<empty>"), toInstall.map(x -> x.key().toString()).orElse("<empty>"), operations.stages().stream().mapToLong(Set::size).sum(), operations.stages());
    flowRuleService.apply(operations);
}