| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.drivers.corsa; |
| |
| import com.google.common.cache.Cache; |
| import com.google.common.cache.CacheBuilder; |
| import com.google.common.cache.RemovalCause; |
| import com.google.common.cache.RemovalNotification; |
| import com.google.common.collect.ImmutableSet; |
| import org.onlab.osgi.ServiceDirectory; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.behaviour.NextGroup; |
| import org.onosproject.net.behaviour.Pipeliner; |
| import org.onosproject.net.behaviour.PipelinerContext; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.net.flow.DefaultFlowRule; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleOperations; |
| import org.onosproject.net.flow.FlowRuleOperationsContext; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flow.criteria.Criteria; |
| import org.onosproject.net.flow.criteria.Criterion; |
| import org.onosproject.net.flow.criteria.EthCriterion; |
| import org.onosproject.net.flow.criteria.EthTypeCriterion; |
| import org.onosproject.net.flow.criteria.IPCriterion; |
| import org.onosproject.net.flow.criteria.PortCriterion; |
| import org.onosproject.net.flow.criteria.VlanIdCriterion; |
| import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| import org.onosproject.net.flowobjective.FilteringObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveStore; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.flowobjective.NextObjective; |
| import org.onosproject.net.flowobjective.Objective; |
| import org.onosproject.net.flowobjective.ObjectiveError; |
| import org.onosproject.net.group.DefaultGroupBucket; |
| import org.onosproject.net.group.DefaultGroupDescription; |
| import org.onosproject.net.group.DefaultGroupKey; |
| import org.onosproject.net.group.Group; |
| import org.onosproject.net.group.GroupBucket; |
| import org.onosproject.net.group.GroupBuckets; |
| import org.onosproject.net.group.GroupDescription; |
| import org.onosproject.net.group.GroupEvent; |
| import org.onosproject.net.group.GroupKey; |
| import org.onosproject.net.group.GroupListener; |
| import org.onosproject.net.group.GroupService; |
| import org.onosproject.net.meter.MeterService; |
| import org.slf4j.Logger; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| import java.util.stream.Collectors; |
| |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.net.flow.FlowRule.Builder; |
| import static org.onosproject.net.flowobjective.Objective.Operation.ADD; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Abstraction of the Corsa pipeline handler. |
| */ |
| public abstract class AbstractCorsaPipeline extends AbstractHandlerBehaviour implements Pipeliner { |
| |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private ServiceDirectory serviceDirectory; |
| protected FlowRuleService flowRuleService; |
| private CoreService coreService; |
| protected GroupService groupService; |
| protected MeterService meterService; |
| protected FlowObjectiveStore flowObjectiveStore; |
| protected DeviceId deviceId; |
| protected ApplicationId appId; |
| protected DeviceService deviceService; |
| |
| protected KryoNamespace appKryo = new KryoNamespace.Builder() |
| .register(GroupKey.class) |
| .register(DefaultGroupKey.class) |
| .register(CorsaGroup.class) |
| .register(byte[].class) |
| .build("AbstractCorsaPipeline"); |
| |
| private Cache<GroupKey, NextObjective> pendingGroups; |
| protected Cache<Integer, NextObjective> pendingNext; |
| |
| |
| private ScheduledExecutorService groupChecker = |
| Executors.newScheduledThreadPool(2, groupedThreads("onos/pipeliner", |
| "ovs-corsa-%d", log)); |
| |
| protected static final int CONTROLLER_PRIORITY = 255; |
| protected static final int DROP_PRIORITY = 0; |
| protected static final int HIGHEST_PRIORITY = 0xffff; |
| protected static final String APPID = "org.onosproject.drivers.corsa.CorsaPipeline"; |
| |
| @Override |
| public void init(DeviceId deviceId, PipelinerContext context) { |
| this.serviceDirectory = context.directory(); |
| this.deviceId = deviceId; |
| |
| pendingGroups = CacheBuilder.newBuilder() |
| .expireAfterWrite(20, TimeUnit.SECONDS) |
| .removalListener((RemovalNotification<GroupKey, NextObjective> notification) -> { |
| if (notification.getCause() == RemovalCause.EXPIRED) { |
| fail(notification.getValue(), ObjectiveError.GROUPINSTALLATIONFAILED); |
| } |
| }).build(); |
| |
| pendingNext = CacheBuilder.newBuilder() |
| .expireAfterWrite(20, TimeUnit.SECONDS) |
| .removalListener((RemovalNotification<Integer, NextObjective> notification) -> { |
| if (notification.getCause() == RemovalCause.EXPIRED) { |
| notification.getValue().context() |
| .ifPresent(c -> c.onError(notification.getValue(), |
| ObjectiveError.FLOWINSTALLATIONFAILED)); |
| } |
| }).build(); |
| |
| groupChecker.scheduleAtFixedRate(new GroupChecker(), 0, 500, TimeUnit.MILLISECONDS); |
| |
| coreService = serviceDirectory.get(CoreService.class); |
| flowRuleService = serviceDirectory.get(FlowRuleService.class); |
| groupService = serviceDirectory.get(GroupService.class); |
| meterService = serviceDirectory.get(MeterService.class); |
| deviceService = serviceDirectory.get(DeviceService.class); |
| flowObjectiveStore = context.store(); |
| |
| groupService.addListener(new InnerGroupListener()); |
| |
| appId = coreService.registerApplication(APPID); |
| |
| initializePipeline(); |
| } |
| |
| protected abstract void initializePipeline(); |
| |
| protected void pass(Objective obj) { |
| obj.context().ifPresent(context -> context.onSuccess(obj)); |
| } |
| |
| protected void fail(Objective obj, ObjectiveError error) { |
| obj.context().ifPresent(context -> context.onError(obj, error)); |
| } |
| |
| private class GroupChecker implements Runnable { |
| |
| @Override |
| public void run() { |
| Set<GroupKey> keys = pendingGroups.asMap().keySet().stream() |
| .filter(key -> groupService.getGroup(deviceId, key) != null) |
| .collect(Collectors.toSet()); |
| |
| keys.forEach(key -> { |
| NextObjective obj = pendingGroups.getIfPresent(key); |
| if (obj == null) { |
| return; |
| } |
| pass(obj); |
| pendingGroups.invalidate(key); |
| log.info("Heard back from group service for group {}. " |
| + "Applying pending forwarding objectives", obj.id()); |
| flowObjectiveStore.putNextGroup(obj.id(), new CorsaGroup(key)); |
| }); |
| } |
| } |
| |
| private class CorsaGroup implements NextGroup { |
| |
| private final GroupKey key; |
| |
| public CorsaGroup(GroupKey key) { |
| this.key = key; |
| } |
| |
| public GroupKey key() { |
| return key; |
| } |
| |
| @Override |
| public byte[] data() { |
| return appKryo.serialize(key); |
| } |
| |
| } |
| |
| @Override |
| public List<String> getNextMappings(NextGroup nextGroup) { |
| //TODO: to be implemented |
| return Collections.emptyList(); |
| } |
| |
| private class InnerGroupListener implements GroupListener { |
| @Override |
| public void event(GroupEvent event) { |
| if (event.type() == GroupEvent.Type.GROUP_ADDED) { |
| GroupKey key = event.subject().appCookie(); |
| |
| NextObjective obj = pendingGroups.getIfPresent(key); |
| if (obj != null) { |
| flowObjectiveStore.putNextGroup(obj.id(), new CorsaGroup(key)); |
| pass(obj); |
| pendingGroups.invalidate(key); |
| } |
| } |
| } |
| } |
| |
| |
| @Override |
| public void filter(FilteringObjective filteringObjective) { |
| if (filteringObjective.type() == FilteringObjective.Type.PERMIT) { |
| processFilter(filteringObjective, |
| filteringObjective.op() == ADD, |
| filteringObjective.appId()); |
| } else { |
| fail(filteringObjective, ObjectiveError.UNSUPPORTED); |
| } |
| } |
| |
| private void processFilter(FilteringObjective filt, boolean install, |
| ApplicationId applicationId) { |
| // This driver only processes filtering criteria defined with switch |
| // ports as the key |
| PortCriterion port; |
| if (!filt.key().equals(Criteria.dummy()) && |
| filt.key().type() == Criterion.Type.IN_PORT) { |
| port = (PortCriterion) filt.key(); |
| } else { |
| log.warn("No key defined in filtering objective from app: {}. Not" |
| + "processing filtering objective", applicationId); |
| fail(filt, ObjectiveError.UNKNOWN); |
| return; |
| } |
| // convert filtering conditions for switch-intfs into flowrules |
| FlowRuleOperations.Builder ops = FlowRuleOperations.builder(); |
| for (Criterion c : filt.conditions()) { |
| if (c.type() == Criterion.Type.ETH_DST) { |
| EthCriterion eth = (EthCriterion) c; |
| FlowRule.Builder rule = processEthFiler(filt, eth, port); |
| rule.forDevice(deviceId) |
| .fromApp(applicationId); |
| ops = install ? ops.add(rule.build()) : ops.remove(rule.build()); |
| |
| } else if (c.type() == Criterion.Type.VLAN_VID) { |
| VlanIdCriterion vlan = (VlanIdCriterion) c; |
| FlowRule.Builder rule = processVlanFiler(filt, vlan, port); |
| rule.forDevice(deviceId) |
| .fromApp(applicationId); |
| ops = install ? ops.add(rule.build()) : ops.remove(rule.build()); |
| |
| } else if (c.type() == Criterion.Type.IPV4_DST) { |
| IPCriterion ip = (IPCriterion) c; |
| FlowRule.Builder rule = processIpFilter(filt, ip, port); |
| rule.forDevice(deviceId) |
| .fromApp(applicationId); |
| ops = install ? ops.add(rule.build()) : ops.remove(rule.build()); |
| |
| } else { |
| log.warn("Driver does not currently process filtering condition" |
| + " of type: {}", c.type()); |
| fail(filt, ObjectiveError.UNSUPPORTED); |
| } |
| } |
| // apply filtering flow rules |
| flowRuleService.apply(ops.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| pass(filt); |
| log.info("Applied filtering rules"); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| fail(filt, ObjectiveError.FLOWINSTALLATIONFAILED); |
| log.info("Failed to apply filtering rules"); |
| } |
| })); |
| } |
| |
| protected abstract Builder processEthFiler(FilteringObjective filt, |
| EthCriterion eth, PortCriterion port); |
| |
| protected abstract Builder processVlanFiler(FilteringObjective filt, |
| VlanIdCriterion vlan, PortCriterion port); |
| |
| protected abstract Builder processIpFilter(FilteringObjective filt, |
| IPCriterion ip, PortCriterion port); |
| |
| |
| @Override |
| public void forward(ForwardingObjective fwd) { |
| |
| Collection<FlowRule> rules; |
| FlowRuleOperations.Builder flowBuilder = FlowRuleOperations.builder(); |
| |
| rules = processForward(fwd); |
| switch (fwd.op()) { |
| case ADD: |
| rules.stream() |
| .filter(Objects::nonNull) |
| .forEach(flowBuilder::add); |
| break; |
| case REMOVE: |
| rules.stream() |
| .filter(Objects::nonNull) |
| .forEach(flowBuilder::remove); |
| break; |
| default: |
| fail(fwd, ObjectiveError.UNKNOWN); |
| log.warn("Unknown forwarding type {}", fwd.op()); |
| } |
| |
| flowRuleService.apply(flowBuilder.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| pass(fwd); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| fail(fwd, ObjectiveError.FLOWINSTALLATIONFAILED); |
| } |
| })); |
| |
| } |
| |
| private Collection<FlowRule> processForward(ForwardingObjective fwd) { |
| switch (fwd.flag()) { |
| case SPECIFIC: |
| return processSpecific(fwd); |
| case VERSATILE: |
| fwd = preProcessVersatile(fwd); |
| return processVersatile(fwd); |
| default: |
| fail(fwd, ObjectiveError.UNKNOWN); |
| log.warn("Unknown forwarding flag {}", fwd.flag()); |
| } |
| return ImmutableSet.of(); |
| } |
| |
| private Collection<FlowRule> processSpecific(ForwardingObjective fwd) { |
| log.debug("Processing specific forwarding objective"); |
| TrafficSelector selector = fwd.selector(); |
| EthTypeCriterion ethTypeCriterion = |
| (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE); |
| VlanIdCriterion vlanIdCriterion = |
| (VlanIdCriterion) selector.getCriterion(Criterion.Type.VLAN_VID); |
| if (ethTypeCriterion != null) { |
| short et = ethTypeCriterion.ethType().toShort(); |
| if (et == Ethernet.TYPE_IPV4) { |
| return processSpecificRoute(fwd); |
| } else if (et == Ethernet.TYPE_VLAN) { |
| /* The ForwardingObjective must specify VLAN ethtype in order to use the Transit Circuit */ |
| return processSpecificSwitch(fwd); |
| } |
| } else if (vlanIdCriterion != null) { |
| return processSpecificSwitch(fwd); |
| } |
| |
| fail(fwd, ObjectiveError.UNSUPPORTED); |
| return ImmutableSet.of(); |
| } |
| |
| protected Collection<FlowRule> processSpecificSwitch(ForwardingObjective fwd) { |
| /* Not supported by until CorsaPipelineV3 */ |
| log.warn("Vlan switching not supported in ovs-corsa driver"); |
| fail(fwd, ObjectiveError.UNSUPPORTED); |
| return ImmutableSet.of(); |
| } |
| |
| private ForwardingObjective preProcessVersatile(ForwardingObjective fwd) { |
| // The Corsa devices don't support the clear deferred actions |
| // so for now we have to filter this instruction for the fwd |
| // objectives sent by the Packet Manager before to create the |
| // flow rule |
| if (fwd.treatment().clearedDeferred()) { |
| // First we create a new treatment without the unsupported action |
| TrafficTreatment.Builder noClearTreatment = DefaultTrafficTreatment.builder(); |
| fwd.treatment().allInstructions().forEach(noClearTreatment::add); |
| // Then we create a new forwarding objective without the unsupported action |
| ForwardingObjective.Builder noClearFwd = DefaultForwardingObjective.builder(fwd); |
| noClearFwd.withTreatment(noClearTreatment.build()); |
| // According to the operation we substitute fwd with the correct objective |
| switch (fwd.op()) { |
| case ADD: |
| fwd = noClearFwd.add(fwd.context().orElse(null)); |
| break; |
| case REMOVE: |
| fwd = noClearFwd.remove(fwd.context().orElse(null)); |
| break; |
| default: |
| log.warn("Unknown operation {}", fwd.op()); |
| } |
| } |
| return fwd; |
| } |
| |
| private Collection<FlowRule> processVersatile(ForwardingObjective fwd) { |
| log.debug("Processing vesatile forwarding objective"); |
| TrafficSelector selector = fwd.selector(); |
| |
| EthTypeCriterion ethType = |
| (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE); |
| if (ethType == null) { |
| log.error("Versatile forwarding objective must include ethType"); |
| fail(fwd, ObjectiveError.UNKNOWN); |
| return ImmutableSet.of(); |
| } |
| Builder rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(fwd.selector()) |
| .withTreatment(fwd.treatment()) |
| .withPriority(fwd.priority()) |
| .fromApp(fwd.appId()) |
| .makePermanent(); |
| if (ethType.ethType().toShort() == Ethernet.TYPE_ARP) { |
| return processArpTraffic(fwd, rule); |
| } else if (ethType.ethType().toShort() == Ethernet.TYPE_LLDP || |
| ethType.ethType().toShort() == Ethernet.TYPE_BSN) { |
| return processLinkDiscovery(fwd, rule); |
| } else if (ethType.ethType().toShort() == Ethernet.TYPE_IPV4) { |
| return processIpTraffic(fwd, rule); |
| } |
| log.warn("Driver does not support given versatile forwarding objective"); |
| fail(fwd, ObjectiveError.UNSUPPORTED); |
| return ImmutableSet.of(); |
| } |
| |
| protected abstract Collection<FlowRule> processArpTraffic(ForwardingObjective fwd, Builder rule); |
| |
| protected abstract Collection<FlowRule> processLinkDiscovery(ForwardingObjective fwd, Builder rule); |
| |
| protected abstract Collection<FlowRule> processIpTraffic(ForwardingObjective fwd, Builder rule); |
| |
| private Collection<FlowRule> processSpecificRoute(ForwardingObjective fwd) { |
| TrafficSelector filteredSelector = |
| DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst( |
| ((IPCriterion) fwd.selector().getCriterion(Criterion.Type.IPV4_DST)).ip()) |
| .build(); |
| |
| TrafficTreatment.Builder tb = processSpecificRoutingTreatment(); |
| |
| if (fwd.nextId() != null) { |
| NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId()); |
| GroupKey key = appKryo.deserialize(next.data()); |
| Group group = groupService.getGroup(deviceId, key); |
| if (group == null) { |
| log.warn("The group left!"); |
| fail(fwd, ObjectiveError.GROUPMISSING); |
| return ImmutableSet.of(); |
| } |
| tb.group(group.id()); |
| } else { |
| log.error("Missing NextObjective ID for ForwardingObjective {}", fwd.id()); |
| fail(fwd, ObjectiveError.BADPARAMS); |
| return ImmutableSet.of(); |
| } |
| Builder ruleBuilder = DefaultFlowRule.builder() |
| .fromApp(fwd.appId()) |
| .withPriority(fwd.priority()) |
| .forDevice(deviceId) |
| .withSelector(filteredSelector) |
| .withTreatment(tb.build()); |
| |
| ruleBuilder = processSpecificRoutingRule(ruleBuilder); |
| |
| if (fwd.permanent()) { |
| ruleBuilder.makePermanent(); |
| } else { |
| ruleBuilder.makeTemporary(fwd.timeout()); |
| } |
| return Collections.singletonList(ruleBuilder.build()); |
| } |
| |
| //Hook for modifying Route traffic treatment |
| protected TrafficTreatment.Builder processSpecificRoutingTreatment() { |
| return DefaultTrafficTreatment.builder(); |
| } |
| |
| //Hook for modifying Route flow rule |
| protected abstract Builder processSpecificRoutingRule(Builder rb); |
| |
| protected enum CorsaTrafficTreatmentType { |
| /** |
| * If the treatment has to be handled as group. |
| */ |
| GROUP, |
| /** |
| * If the treatment has to be handled as simple set of actions. |
| */ |
| ACTIONS |
| } |
| |
| /** |
| * Helper class to encapsulate both traffic treatment and |
| * type of treatment. |
| */ |
| protected class CorsaTrafficTreatment { |
| |
| private CorsaTrafficTreatmentType type; |
| private TrafficTreatment trafficTreatment; |
| |
| public CorsaTrafficTreatment(CorsaTrafficTreatmentType treatmentType, TrafficTreatment trafficTreatment) { |
| this.type = treatmentType; |
| this.trafficTreatment = trafficTreatment; |
| } |
| |
| public CorsaTrafficTreatmentType type() { |
| return type; |
| } |
| |
| public TrafficTreatment treatment() { |
| return trafficTreatment; |
| } |
| |
| } |
| |
| @Override |
| public void next(NextObjective nextObjective) { |
| switch (nextObjective.type()) { |
| case SIMPLE: |
| Collection<TrafficTreatment> treatments = nextObjective.next(); |
| if (treatments.size() == 1) { |
| TrafficTreatment treatment = treatments.iterator().next(); |
| CorsaTrafficTreatment corsaTreatment = processNextTreatment(treatment); |
| final GroupKey key = new DefaultGroupKey(appKryo.serialize(nextObjective.id())); |
| if (corsaTreatment.type() == CorsaTrafficTreatmentType.GROUP) { |
| GroupBucket bucket = DefaultGroupBucket.createIndirectGroupBucket(corsaTreatment.treatment()); |
| GroupBuckets buckets = new GroupBuckets(Collections.singletonList(bucket)); |
| // group id == null, let group service determine group id |
| GroupDescription groupDescription = new DefaultGroupDescription(deviceId, |
| GroupDescription.Type.INDIRECT, |
| buckets, |
| key, |
| null, |
| nextObjective.appId()); |
| groupService.addGroup(groupDescription); |
| pendingGroups.put(key, nextObjective); |
| } else if (corsaTreatment.type() == CorsaTrafficTreatmentType.ACTIONS) { |
| pendingNext.put(nextObjective.id(), nextObjective); |
| flowObjectiveStore.putNextGroup(nextObjective.id(), new CorsaGroup(key)); |
| nextObjective.context().ifPresent(context -> context.onSuccess(nextObjective)); |
| } |
| } |
| break; |
| case HASHED: |
| case BROADCAST: |
| case FAILOVER: |
| fail(nextObjective, ObjectiveError.UNSUPPORTED); |
| log.warn("Unsupported next objective type {}", nextObjective.type()); |
| break; |
| default: |
| fail(nextObjective, ObjectiveError.UNKNOWN); |
| log.warn("Unknown next objective type {}", nextObjective.type()); |
| } |
| |
| } |
| |
| //Hook for altering the NextObjective treatment |
| protected CorsaTrafficTreatment processNextTreatment(TrafficTreatment treatment) { |
| return new CorsaTrafficTreatment(CorsaTrafficTreatmentType.GROUP, treatment); |
| } |
| |
| //Init helper: Table Miss = Drop |
| protected void processTableMissDrop(boolean install, int table, String description) { |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| treatment.drop(); |
| |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(DROP_PRIORITY) |
| .fromApp(appId) |
| .makePermanent() |
| .forTable(table).build(); |
| |
| processFlowRule(install, rule, description); |
| } |
| |
| //Init helper: Table Miss = GoTo |
| protected void processTableMissGoTo(boolean install, int table, int goTo, String description) { |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| treatment.transition(goTo); |
| |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(DROP_PRIORITY) |
| .fromApp(appId) |
| .makePermanent() |
| .forTable(table).build(); |
| |
| processFlowRule(install, rule, description); |
| } |
| |
| //Init helper: Apply flow rule |
| protected void processFlowRule(boolean install, FlowRule rule, String description) { |
| FlowRuleOperations.Builder ops = FlowRuleOperations.builder(); |
| ops = install ? ops.add(rule) : ops.remove(rule); |
| |
| flowRuleService.apply(ops.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| log.info(description + " success: " + ops.toString() + ", " + rule.toString()); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| log.info(description + " error: " + ops.toString() + ", " + rule.toString()); |
| } |
| })); |
| } |
| |
| @Override |
| public void purgeAll(ApplicationId appId) { |
| flowRuleService.purgeFlowRules(deviceId, appId); |
| groupService.purgeGroupEntries(deviceId, appId); |
| } |
| } |