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

Example 81 with Group

use of org.onosproject.net.group.Group 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;
}

Example 82 with Group

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

the class PointToPointIntentCompiler method getPrimaryPort.

/**
 * Gets primary port number through failover group associated
 * with this intent.
 */
private PortNumber getPrimaryPort(PointToPointIntent intent) {
    Group group = groupService.getGroup(intent.filteredIngressPoint().connectPoint().deviceId(), makeGroupKey(intent.id()));
    PortNumber primaryPort = null;
    if (group != null) {
        List<GroupBucket> buckets = group.buckets().buckets();
        Iterator<GroupBucket> iterator = buckets.iterator();
        while (primaryPort == null && iterator.hasNext()) {
            GroupBucket bucket = iterator.next();
            Instruction individualInstruction = bucket.treatment().allInstructions().get(0);
            if (individualInstruction instanceof Instructions.OutputInstruction) {
                Instructions.OutputInstruction outInstruction = (Instructions.OutputInstruction) individualInstruction;
                PortNumber tempPortNum = outInstruction.port();
                Port port = deviceService.getPort(intent.filteredIngressPoint().connectPoint().deviceId(), tempPortNum);
                if (port != null && port.isEnabled()) {
                    primaryPort = tempPortNum;
                }
            }
        }
    }
    return primaryPort;
}

Example 83 with Group

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

the class PointToPointIntentCompiler method buildFailoverTreatment.

private TrafficTreatment buildFailoverTreatment(DeviceId srcDevice, GroupKey groupKey) {
    Group group = waitForGroup(srcDevice, groupKey);
    TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder();
    TrafficTreatment trafficTreatment = tBuilder.group(group.id()).build();
    return trafficTreatment;
}

Example 84 with Group

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

the class PointToPointIntentCompiler method waitForGroup.

/**
 * Waits for specified group to appear until timeout.
 *
 * @param deviceId {@link DeviceId}
 * @param groupKey {@link GroupKey} to wait for.
 * @param timeout timeout
 * @param unit unit of timeout
 * @return {@link Group}
 * @throws IntentCompilationException on any error.
 */
private Group waitForGroup(DeviceId deviceId, GroupKey groupKey, long timeout, TimeUnit unit) {
    Group group = groupService.getGroup(deviceId, groupKey);
    if (group != null) {
        return group;
    }
    final CompletableFuture<Group> future = new CompletableFuture<>();
    final GroupListener listener = event -> {
        if (event.subject().deviceId() == deviceId && event.subject().appCookie().equals(groupKey)) {
            future.complete(event.subject());
            return;
        }
    };
    groupService.addListener(listener);
    try {
        group = groupService.getGroup(deviceId, groupKey);
        if (group != null) {
            return group;
        }
        return future.get(timeout, unit);
    } catch (InterruptedException e) {
        log.debug("Interrupted", e);
        Thread.currentThread().interrupt();
        throw new IntentCompilationException("Interrupted", e);
    } catch (ExecutionException e) {
        log.debug("ExecutionException", e);
        throw new IntentCompilationException("ExecutionException caught", e);
    } catch (TimeoutException e) {
        // one last try
        group = groupService.getGroup(deviceId, groupKey);
        if (group != null) {
            return group;
        } else {
            log.debug("Timeout", e);
            throw new IntentCompilationException("Timeout", e);
        }
    } finally {
        groupService.removeListener(listener);
    }
}

Example 85 with Group

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

the class PointToPointIntentCompiler method removeAndUpdateIntents.

/**
 * Removes intents from installables list, depending on the values
 * of instance variables erasePrimary and eraseBackup. Flow rule intents
 * that contain the manufactured fast failover flow rules are never deleted.
 * The contents are simply modified as necessary. If cleanUpIntents size
 * is greater than 1 (failover intent), then one whole path from previous
 * installables must be still viable.
 *
 * @param cleanUpIntents   list of installable intents
 */
private void removeAndUpdateIntents(List<Intent> cleanUpIntents, PointToPointIntent pointIntent) {
    ListIterator<Intent> iterator = cleanUpIntents.listIterator();
    while (iterator.hasNext()) {
        Intent cIntent = iterator.next();
        if (cIntent instanceof FlowRuleIntent) {
            FlowRuleIntent fIntent = (FlowRuleIntent) cIntent;
            if (fIntent.type() == PathIntent.ProtectionType.PRIMARY && erasePrimary) {
                // remove primary path's flow rule intents
                iterator.remove();
            } else if (fIntent.type() == PathIntent.ProtectionType.BACKUP && eraseBackup) {
                // remove backup path's flow rule intents
                iterator.remove();
            } else if (fIntent.type() == PathIntent.ProtectionType.BACKUP && erasePrimary) {
                // promote backup path's flow rule intents to primary
                iterator.set(new FlowRuleIntent(fIntent, PathIntent.ProtectionType.PRIMARY));
            }
        }
    }
    // remove buckets whose watchports are disabled if the failover group exists
    Group group = groupService.getGroup(pointIntent.filteredIngressPoint().connectPoint().deviceId(), makeGroupKey(pointIntent.id()));
    if (group != null) {
        updateFailoverGroup(pointIntent);
    }
}