Examples with GroupBucket org.onosproject.net.group.GroupBucket used on opensource projects

Example 66 with GroupBucket

use of org.onosproject.net.group.GroupBucket in project onos by opennetworkinglab.

the class PiReplicationGroupTranslatorImpl method translate.

/**
 * Returns a PI PRE entry equivalent to the given group, for the given
 * pipeconf and device.
 * <p>
 * The passed group is expected to have type {@link GroupDescription.Type#ALL}
 * or {@link GroupDescription.Type#CLONE}.
 *
 * @param group    group
 * @param pipeconf pipeconf
 * @param device   device
 * @return PI PRE entry
 * @throws PiTranslationException if the group cannot be translated
 */
static PiPreEntry translate(Group group, PiPipeconf pipeconf, Device device) throws PiTranslationException {
    checkNotNull(group);
    final List<OutputInstruction> outInstructions = Lists.newArrayList();
    int truncateMaxLen = PiCloneSessionEntry.DO_NOT_TRUNCATE;
    for (GroupBucket bucket : group.buckets().buckets()) {
        int numInstructionsInBucket = bucket.treatment().allInstructions().size();
        List<OutputInstruction> outputs = getInstructions(bucket, Instruction.Type.OUTPUT, OutputInstruction.class);
        List<TruncateInstruction> truncates = getInstructions(bucket, Instruction.Type.TRUNCATE, TruncateInstruction.class);
        if (outputs.size() != 1) {
            throw new PiTranslationException("support only groups with just one OUTPUT instruction per bucket");
        }
        outInstructions.add(outputs.get(0));
        if (truncates.size() != 0) {
            if (group.type() != GroupDescription.Type.CLONE) {
                throw new PiTranslationException("only CLONE group support truncate instruction");
            }
            if (truncates.size() != 1) {
                throw new PiTranslationException("support only groups with just one TRUNCATE instruction per bucket");
            }
            int truncateInstMaxLen = truncates.get(0).maxLen();
            if (truncateMaxLen != PiCloneSessionEntry.DO_NOT_TRUNCATE && truncateMaxLen != truncateInstMaxLen) {
                throw new PiTranslationException("all TRUNCATE instruction must be the same in a CLONE group");
            }
            truncateMaxLen = truncateInstMaxLen;
        } else if (truncateMaxLen != PiCloneSessionEntry.DO_NOT_TRUNCATE) {
            // No truncate instruction found in this bucket, but previous bucket contains one.
            throw new PiTranslationException("all TRUNCATE instruction must be the same in a CLONE group");
        }
        if (numInstructionsInBucket != outputs.size() + truncates.size()) {
            throw new PiTranslationException("bucket contains unsupported instruction(s)");
        }
    }
    switch(group.type()) {
        case ALL:
            return PiMulticastGroupEntry.builder().withGroupId(group.id().id()).addReplicas(getReplicas(outInstructions, device)).build();
        case CLONE:
            return PiCloneSessionEntry.builder().withSessionId(group.id().id()).addReplicas(getReplicas(outInstructions, device)).withMaxPacketLengthBytes(truncateMaxLen).build();
        default:
            throw new PiTranslationException(format("group type %s not supported", group.type()));
    }
}

Example 67 with GroupBucket

use of org.onosproject.net.group.GroupBucket in project onos by opennetworkinglab.

the class GroupManagerTest method createSouthboundGroupEntry.

private static Group createSouthboundGroupEntry(GroupId gId, List<PortNumber> ports, long referenceCount, DeviceId deviceId) {
    List<PortNumber> outPorts = new ArrayList<>();
    outPorts.addAll(ports);
    List<GroupBucket> buckets = new ArrayList<>();
    for (PortNumber portNumber : outPorts) {
        TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
        tBuilder.setOutput(portNumber).setEthDst(MacAddress.valueOf("00:00:00:00:00:02")).setEthSrc(MacAddress.valueOf("00:00:00:00:00:01")).pushMpls().setMpls(MplsLabel.mplsLabel(106));
        buckets.add(DefaultGroupBucket.createSelectGroupBucket(tBuilder.build()));
    }
    GroupBuckets groupBuckets = new GroupBuckets(buckets);
    StoredGroupEntry group = new DefaultGroup(gId, deviceId, Group.Type.SELECT, groupBuckets);
    group.setReferenceCount(referenceCount);
    return group;
}

Example 68 with GroupBucket

use of org.onosproject.net.group.GroupBucket in project onos by opennetworkinglab.

the class ForwardingObjectiveTranslator method createCloneGroup.

private DefaultGroupDescription createCloneGroup(ApplicationId appId, int cloneSessionId, PortNumber outPort) {
    final GroupKey groupKey = new DefaultGroupKey(FabricPipeliner.KRYO.serialize(cloneSessionId));
    final List<GroupBucket> bucketList = ImmutableList.of(createCloneGroupBucket(DefaultTrafficTreatment.builder().setOutput(outPort).build()));
    final DefaultGroupDescription cloneGroup = new DefaultGroupDescription(deviceId, GroupDescription.Type.CLONE, new GroupBuckets(bucketList), groupKey, cloneSessionId, appId);
    return cloneGroup;
}

Example 69 with GroupBucket

use of org.onosproject.net.group.GroupBucket in project onos by opennetworkinglab.

the class ForwardingObjectiveTranslatorTest method testAclArp.

/**
 * Test versatile flag of forwarding objective with ARP match.
 */
@Test
public void testAclArp() {
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().punt().build();
    // ARP
    TrafficSelector selector = DefaultTrafficSelector.builder().matchEthType(Ethernet.TYPE_ARP).build();
    ForwardingObjective fwd = DefaultForwardingObjective.builder().withSelector(selector).withPriority(PRIORITY).fromApp(APP_ID).makePermanent().withFlag(ForwardingObjective.Flag.VERSATILE).withTreatment(treatment).add();
    ObjectiveTranslation result = translator.translate(fwd);
    List<FlowRule> flowRulesInstalled = (List<FlowRule>) result.flowRules();
    List<GroupDescription> groupsInstalled = (List<GroupDescription>) result.groups();
    assertEquals(1, flowRulesInstalled.size());
    assertEquals(1, groupsInstalled.size());
    FlowRule actualFlowRule = flowRulesInstalled.get(0);
    PiAction piAction = PiAction.builder().withId(FabricConstants.FABRIC_INGRESS_ACL_SET_CLONE_SESSION_ID).withParameter(new PiActionParam(FabricConstants.CLONE_ID, ForwardingObjectiveTranslator.CLONE_TO_CPU_ID)).build();
    FlowRule expectedFlowRule = DefaultFlowRule.builder().forDevice(DEVICE_ID).forTable(FabricConstants.FABRIC_INGRESS_ACL_ACL).withPriority(PRIORITY).makePermanent().withSelector(selector).withTreatment(DefaultTrafficTreatment.builder().piTableAction(piAction).build()).fromApp(APP_ID).build();
    GroupDescription actualCloneGroup = groupsInstalled.get(0);
    TrafficTreatment cloneGroupTreatment = DefaultTrafficTreatment.builder().setOutput(PortNumber.CONTROLLER).build();
    List<GroupBucket> cloneBuckets = ImmutableList.of(DefaultGroupBucket.createCloneGroupBucket(cloneGroupTreatment));
    GroupBuckets cloneGroupBuckets = new GroupBuckets(cloneBuckets);
    GroupKey cloneGroupKey = new DefaultGroupKey(FabricPipeliner.KRYO.serialize(ForwardingObjectiveTranslator.CLONE_TO_CPU_ID));
    GroupDescription expectedCloneGroup = new DefaultGroupDescription(DEVICE_ID, GroupDescription.Type.CLONE, cloneGroupBuckets, cloneGroupKey, ForwardingObjectiveTranslator.CLONE_TO_CPU_ID, APP_ID);
    assertTrue(expectedFlowRule.exactMatch(actualFlowRule));
    assertTrue(expectedCloneGroup.equals(actualCloneGroup));
}

Example 70 with GroupBucket

use of org.onosproject.net.group.GroupBucket in project onos by opennetworkinglab.

the class FabricPipeliner method handleVerify.

private ObjectiveError handleVerify(NextObjective nextObjective) {
    Map<GroupBucket, FlowRule> bucketsToFlows = getBucketToFlowMapping(nextObjective);
    if (bucketsToFlows.isEmpty() && !nextObjective.nextTreatments().isEmpty()) {
        log.warn("VERIFY failed due to translation error, bucketsToFlows is empty");
        return ObjectiveError.BADPARAMS;
    }
    if (log.isTraceEnabled()) {
        log.trace("Mapping bucketsToFlows {} has been generated ", bucketsToFlows);
    }
    GroupKey groupKey = nextTranslator.getGroupKey(nextObjective);
    if (groupKey == null) {
        log.warn("VERIFY failed due to translation error, unable to determine group key");
        return ObjectiveError.BADPARAMS;
    }
    Group groupFromStore = groupService.getGroup(deviceId, groupKey);
    if (groupFromStore == null) {
        log.warn("VERIFY failed due to missing group in the store");
        return ObjectiveError.GROUPMISSING;
    }
    // Looking for duplicate buckets - remove them by using a set and comparing size after/before
    Set<GroupBucket> bucketsFromStore = Sets.newHashSet(groupFromStore.buckets().buckets());
    if (groupFromStore.buckets().buckets().size() > bucketsFromStore.size()) {
        log.warn("Duplicated buckets detected in device:{}, nextId:{}, before-size" + ":{} after-size:{} .. correcting", deviceId, nextObjective.id(), groupFromStore.buckets().buckets().size(), bucketsFromStore.size());
        final GroupBuckets bucketToSet = new GroupBuckets(Lists.newArrayList(bucketsFromStore));
        groupService.setBucketsForGroup(deviceId, groupKey, bucketToSet, groupKey, nextObjective.appId());
        // Forge temporary the group to avoid race condition with the store
        groupFromStore = new DefaultGroup(groupFromStore.id(), deviceId, groupFromStore.type(), bucketToSet);
    }
    // Looking for buckets missing in the group but defined in the next
    Map<GroupBucket, FlowRule> toAdd = Maps.newHashMap();
    for (Map.Entry<GroupBucket, FlowRule> entry : bucketsToFlows.entrySet()) {
        if (!groupFromStore.buckets().buckets().contains(entry.getKey())) {
            toAdd.put(entry.getKey(), entry.getValue());
        }
    }
    // Looking for buckets missing in the next but defined in the group
    // FIXME SDFAB-250 we cannot remove associated egress flows
    List<GroupBucket> toRemove = Lists.newArrayList();
    groupFromStore.buckets().buckets().forEach(bucket -> {
        if (!bucketsToFlows.containsKey(bucket)) {
            toRemove.add(bucket);
        }
    });
    if (!toAdd.isEmpty() || !toRemove.isEmpty()) {
        log.warn("Mismatch detected in device:{}, nextId:{}, groupFromTranslation-size:{} " + "groupFromStore-size:{} toAdd-size:{} toRemove-size: {} .. correcting", deviceId, nextObjective.id(), bucketsToFlows.size(), groupFromStore.buckets().buckets().size(), toAdd.size(), toRemove.size());
    }
    if (!toAdd.isEmpty()) {
        if (log.isTraceEnabled()) {
            log.trace("Adding missing buckets {} and flows {}", toAdd.keySet(), toAdd.values());
        }
        final FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
        final FlowRule dummyFlow = getDummyFlow(nextObjective);
        toAdd.values().stream().filter(flowRule -> !flowRule.equals(dummyFlow)).forEach(ops::add);
        final GroupBuckets bucketsToAdd = new GroupBuckets(Lists.newArrayList(toAdd.keySet()));
        groupService.addBucketsToGroup(deviceId, groupKey, bucketsToAdd, groupKey, nextObjective.appId());
        flowRuleService.apply(ops.build());
    }
    if (!toRemove.isEmpty()) {
        if (log.isTraceEnabled()) {
            log.trace("Removing stale buckets {}", toRemove);
        }
        final GroupBuckets bucketsToRemove = new GroupBuckets(toRemove);
        groupService.removeBucketsFromGroup(deviceId, groupKey, bucketsToRemove, groupKey, nextObjective.appId());
    }
    return null;
}