// Test initial AUDIT process with pending group requests
private void testInitialAuditWithPendingGroupRequests(DeviceId deviceId) {
PortNumber[] ports1 = {PortNumber.portNumber(31), PortNumber.portNumber(32)};
PortNumber[] ports2 = {PortNumber.portNumber(41), PortNumber.portNumber(42)};
GroupId gId1 = new DefaultGroupId(1);
Group group1 = createSouthboundGroupEntry(gId1, Arrays.asList(ports1), 0, deviceId);
GroupId gId2 = new DefaultGroupId(2);
// Non zero reference count will make the group manager to queue
// the extraneous groups until reference count is zero.
Group group2 = createSouthboundGroupEntry(gId2, Arrays.asList(ports2), 2, deviceId);
List<Group> groupEntries = Arrays.asList(group1, group2);
providerService.pushGroupMetrics(deviceId, groupEntries);
// First group metrics would trigger the device audit completion
// post which all pending group requests are also executed.
GroupKey key = new DefaultGroupKey("group1BeforeAudit".getBytes());
Group createdGroup = groupService.getGroup(deviceId, key);
int createdGroupId = createdGroup.id().id();
assertNotEquals(gId1.id(), createdGroupId);
assertNotEquals(gId2.id(), createdGroupId);
List<GroupOperation> expectedGroupOps =
Arrays.asList(
GroupOperation.createDeleteGroupOperation(gId1, Group.Type.SELECT),
GroupOperation.createAddGroupOperation(
createdGroup.id(), Group.Type.SELECT, createdGroup.buckets()));
if (deviceId.equals(DID)) {
internalProvider.validate(deviceId, expectedGroupOps);
} else {
this.validate(deviceId, expectedGroupOps);
}
}
// Test AUDIT with confirmed groups
private void testAuditWithConfirmedGroups(DeviceId deviceId) {
GroupKey key = new DefaultGroupKey("group1BeforeAudit".getBytes());
Group createdGroup = groupService.getGroup(deviceId, key);
createdGroup =
new DefaultGroup(createdGroup.id(), deviceId, Group.Type.SELECT, createdGroup.buckets());
List<Group> groupEntries = Collections.singletonList(createdGroup);
providerService.pushGroupMetrics(deviceId, groupEntries);
internalListener.validateEvent(Collections.singletonList(GroupEvent.Type.GROUP_ADDED));
}
// Test group remove operations
private void testRemoveGroup(DeviceId deviceId) {
GroupKey currKey = new DefaultGroupKey("group1RemoveBuckets".getBytes());
Group existingGroup = groupService.getGroup(deviceId, currKey);
groupService.removeGroup(deviceId, currKey, appId);
List<GroupOperation> expectedGroupOps =
Collections.singletonList(
GroupOperation.createDeleteGroupOperation(existingGroup.id(), Group.Type.SELECT));
if (deviceId.equals(DID)) {
internalProvider.validate(deviceId, expectedGroupOps);
} else {
this.validate(deviceId, expectedGroupOps);
}
List<Group> groupEntries = Collections.emptyList();
providerService.pushGroupMetrics(deviceId, groupEntries);
internalListener.validateEvent(Collections.singletonList(GroupEvent.Type.GROUP_REMOVED));
}
private void processMulticastRule(ForwardingObjective fwd) {
if (fwd.nextId() == null) {
log.error("Multicast objective does not have a next id");
fail(fwd, ObjectiveError.BADPARAMS);
}
OLTPipelineGroup next = getGroupForNextObjective(fwd.nextId());
if (next == null) {
log.error("Group for forwarding objective missing: {}", fwd);
fail(fwd, ObjectiveError.GROUPMISSING);
}
Group group = groupService.getGroup(deviceId, next.key());
TrafficTreatment treatment = buildTreatment(Instructions.createGroup(group.id()));
FlowRule rule =
DefaultFlowRule.builder()
.forDevice(deviceId)
.forTable(0)
.fromApp(fwd.appId())
.makePermanent()
.withPriority(fwd.priority())
.withSelector(fwd.selector())
.withTreatment(treatment)
.build();
FlowRuleOperations.Builder builder = FlowRuleOperations.builder();
switch (fwd.op()) {
case ADD:
builder.add(rule);
break;
case REMOVE:
builder.remove(rule);
break;
case ADD_TO_EXISTING:
case REMOVE_FROM_EXISTING:
break;
default:
log.warn("Unknown forwarding operation: {}", fwd.op());
}
applyFlowRules(builder, fwd);
}
// Test group add bucket operations
private void testAddBuckets(DeviceId deviceId) {
GroupKey addKey = new DefaultGroupKey("group1AddBuckets".getBytes());
GroupKey prevKey = new DefaultGroupKey("group1BeforeAudit".getBytes());
Group createdGroup = groupService.getGroup(deviceId, prevKey);
List<GroupBucket> buckets = new ArrayList<>();
buckets.addAll(createdGroup.buckets().buckets());
PortNumber[] addPorts = {PortNumber.portNumber(51), PortNumber.portNumber(52)};
List<PortNumber> outPorts;
outPorts = new ArrayList<>();
outPorts.addAll(Arrays.asList(addPorts));
List<GroupBucket> addBuckets;
addBuckets = 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));
addBuckets.add(DefaultGroupBucket.createSelectGroupBucket(tBuilder.build()));
buckets.add(DefaultGroupBucket.createSelectGroupBucket(tBuilder.build()));
}
GroupBuckets groupAddBuckets = new GroupBuckets(addBuckets);
groupService.addBucketsToGroup(deviceId, prevKey, groupAddBuckets, addKey, appId);
GroupBuckets updatedBuckets = new GroupBuckets(buckets);
List<GroupOperation> expectedGroupOps =
Collections.singletonList(
GroupOperation.createModifyGroupOperation(
createdGroup.id(), Group.Type.SELECT, updatedBuckets));
if (deviceId.equals(DID)) {
internalProvider.validate(deviceId, expectedGroupOps);
} else {
this.validate(deviceId, expectedGroupOps);
}
Group existingGroup = groupService.getGroup(deviceId, addKey);
List<Group> groupEntries = Collections.singletonList(existingGroup);
providerService.pushGroupMetrics(deviceId, groupEntries);
internalListener.validateEvent(Collections.singletonList(GroupEvent.Type.GROUP_UPDATED));
}
// Test AUDIT process with extraneous groups and missing groups
private void testAuditWithExtraneousMissingGroups(DeviceId deviceId) {
PortNumber[] ports1 = {PortNumber.portNumber(31), PortNumber.portNumber(32)};
PortNumber[] ports2 = {PortNumber.portNumber(41), PortNumber.portNumber(42)};
GroupId gId1 = new DefaultGroupId(1);
Group group1 = createSouthboundGroupEntry(gId1, Arrays.asList(ports1), 0, deviceId);
GroupId gId2 = new DefaultGroupId(2);
Group group2 = createSouthboundGroupEntry(gId2, Arrays.asList(ports2), 0, deviceId);
List<Group> groupEntries = Arrays.asList(group1, group2);
providerService.pushGroupMetrics(deviceId, groupEntries);
GroupKey key = new DefaultGroupKey("group1BeforeAudit".getBytes());
Group createdGroup = groupService.getGroup(deviceId, key);
List<GroupOperation> expectedGroupOps =
Arrays.asList(
GroupOperation.createDeleteGroupOperation(gId1, Group.Type.SELECT),
GroupOperation.createDeleteGroupOperation(gId2, Group.Type.SELECT),
GroupOperation.createAddGroupOperation(
createdGroup.id(), Group.Type.SELECT, createdGroup.buckets()));
if (deviceId.equals(DID)) {
internalProvider.validate(deviceId, expectedGroupOps);
} else {
this.validate(deviceId, expectedGroupOps);
}
}
@Override
public void notify(GroupEvent event) {
final Group group = event.subject();
GroupProvider groupProvider = getProvider(group.deviceId());
GroupOperations groupOps = null;
switch (event.type()) {
case GROUP_ADD_REQUESTED:
log.debug("GROUP_ADD_REQUESTED for Group {} on device {}", group.id(), group.deviceId());
GroupOperation groupAddOp =
GroupOperation.createAddGroupOperation(group.id(), group.type(), group.buckets());
groupOps = new GroupOperations(Collections.singletonList(groupAddOp));
groupProvider.performGroupOperation(group.deviceId(), groupOps);
break;
case GROUP_UPDATE_REQUESTED:
log.debug(
"GROUP_UPDATE_REQUESTED for Group {} on device {}", group.id(), group.deviceId());
GroupOperation groupModifyOp =
GroupOperation.createModifyGroupOperation(group.id(), group.type(), group.buckets());
groupOps = new GroupOperations(Collections.singletonList(groupModifyOp));
groupProvider.performGroupOperation(group.deviceId(), groupOps);
break;
case GROUP_REMOVE_REQUESTED:
log.debug(
"GROUP_REMOVE_REQUESTED for Group {} on device {}", group.id(), group.deviceId());
GroupOperation groupDeleteOp =
GroupOperation.createDeleteGroupOperation(group.id(), group.type());
groupOps = new GroupOperations(Collections.singletonList(groupDeleteOp));
groupProvider.performGroupOperation(group.deviceId(), groupOps);
break;
case GROUP_ADDED:
case GROUP_UPDATED:
case GROUP_REMOVED:
case GROUP_ADD_FAILED:
case GROUP_UPDATE_FAILED:
case GROUP_REMOVE_FAILED:
post(event);
break;
default:
break;
}
}
@Override
// Dell switches need ETH_DST based match condition in all IP table entries.
// So this method overrides the default spring-open behavior and adds
// ETH_DST match condition while pushing IP table flow rules
protected Collection<FlowRule> processSpecific(ForwardingObjective fwd) {
log.debug("Processing specific");
TrafficSelector selector = fwd.selector();
EthTypeCriterion ethType = (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
if ((ethType == null)
|| ((((short) ethType.ethType()) != Ethernet.TYPE_IPV4)
&& (((short) ethType.ethType()) != Ethernet.MPLS_UNICAST))) {
log.debug("processSpecific: Unsupported " + "forwarding objective criteraia");
fail(fwd, ObjectiveError.UNSUPPORTED);
return Collections.emptySet();
}
TrafficSelector.Builder filteredSelectorBuilder = DefaultTrafficSelector.builder();
int forTableId = -1;
if (((short) ethType.ethType()) == Ethernet.TYPE_IPV4) {
if (deviceTMac == null) {
log.debug(
"processSpecific: ETH_DST filtering "
+ "objective is not set which is required "
+ "before sending a IPv4 forwarding objective");
// TODO: Map the error to more appropriate error code.
fail(fwd, ObjectiveError.DEVICEMISSING);
return Collections.emptySet();
}
filteredSelectorBuilder =
filteredSelectorBuilder
.matchEthType(Ethernet.TYPE_IPV4)
.matchEthDst(deviceTMac)
.matchIPDst(((IPCriterion) selector.getCriterion(Criterion.Type.IPV4_DST)).ip());
forTableId = ipv4UnicastTableId;
log.debug("processing IPv4 specific forwarding objective");
} else {
filteredSelectorBuilder =
filteredSelectorBuilder
.matchEthType(Ethernet.MPLS_UNICAST)
.matchMplsLabel(
((MplsCriterion) selector.getCriterion(Criterion.Type.MPLS_LABEL)).label());
// TODO: Add Match for BoS
// if (selector.getCriterion(Criterion.Type.MPLS_BOS) != null) {
// }
forTableId = mplsTableId;
log.debug("processing MPLS specific forwarding objective");
}
TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
if (fwd.treatment() != null) {
for (Instruction i : fwd.treatment().allInstructions()) {
treatmentBuilder.add(i);
}
}
if (fwd.nextId() != null) {
NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId());
if (next != null) {
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 Collections.emptySet();
}
treatmentBuilder.group(group.id());
log.debug("Adding OUTGROUP action");
} else {
log.warn("processSpecific: No associated next objective object");
fail(fwd, ObjectiveError.GROUPMISSING);
return Collections.emptySet();
}
}
TrafficSelector filteredSelector = filteredSelectorBuilder.build();
TrafficTreatment treatment = treatmentBuilder.transition(aclTableId).build();
FlowRule.Builder ruleBuilder =
DefaultFlowRule.builder()
.fromApp(fwd.appId())
.withPriority(fwd.priority())
.forDevice(deviceId)
.withSelector(filteredSelector)
.withTreatment(treatment);
if (fwd.permanent()) {
ruleBuilder.makePermanent();
} else {
ruleBuilder.makeTemporary(fwd.timeout());
}
ruleBuilder.forTable(forTableId);
return Collections.singletonList(ruleBuilder.build());
}
@Override
public int compare(Group g1, Group g2) {
return Long.valueOf(g1.id().id()).compareTo(Long.valueOf(g2.id().id()));
}
private void groupOperationFaliure(DeviceId deviceId) {
PortNumber[] ports1 = {PortNumber.portNumber(31), PortNumber.portNumber(32)};
PortNumber[] ports2 = {PortNumber.portNumber(41), PortNumber.portNumber(42)};
// Test Group creation before AUDIT process
GroupKey key = new DefaultGroupKey("group1BeforeAudit".getBytes());
List<GroupBucket> buckets = new ArrayList<>();
List<PortNumber> outPorts = new ArrayList<>();
outPorts.addAll(Arrays.asList(ports1));
outPorts.addAll(Arrays.asList(ports2));
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);
GroupDescription newGroupDesc =
new DefaultGroupDescription(deviceId, Group.Type.SELECT, groupBuckets, key, null, appId);
groupService.addGroup(newGroupDesc);
// Test initial group audit process
GroupId gId1 = new DefaultGroupId(1);
Group group1 = createSouthboundGroupEntry(gId1, Arrays.asList(ports1), 0, deviceId);
GroupId gId2 = new DefaultGroupId(2);
// Non zero reference count will make the group manager to queue
// the extraneous groups until reference count is zero.
Group group2 = createSouthboundGroupEntry(gId2, Arrays.asList(ports2), 2, deviceId);
List<Group> groupEntries = Arrays.asList(group1, group2);
providerService.pushGroupMetrics(deviceId, groupEntries);
Group createdGroup = groupService.getGroup(deviceId, key);
// Group Add failure test
GroupOperation groupAddOp =
GroupOperation.createAddGroupOperation(
createdGroup.id(), createdGroup.type(), createdGroup.buckets());
providerService.groupOperationFailed(deviceId, groupAddOp);
internalListener.validateEvent(Collections.singletonList(GroupEvent.Type.GROUP_ADD_FAILED));
// Group Mod failure test
groupService.addGroup(newGroupDesc);
createdGroup = groupService.getGroup(deviceId, key);
assertNotNull(createdGroup);
GroupOperation groupModOp =
GroupOperation.createModifyGroupOperation(
createdGroup.id(), createdGroup.type(), createdGroup.buckets());
providerService.groupOperationFailed(deviceId, groupModOp);
internalListener.validateEvent(Collections.singletonList(GroupEvent.Type.GROUP_UPDATE_FAILED));
// Group Delete failure test
groupService.addGroup(newGroupDesc);
createdGroup = groupService.getGroup(deviceId, key);
assertNotNull(createdGroup);
GroupOperation groupDelOp =
GroupOperation.createDeleteGroupOperation(createdGroup.id(), createdGroup.type());
providerService.groupOperationFailed(deviceId, groupDelOp);
internalListener.validateEvent(Collections.singletonList(GroupEvent.Type.GROUP_REMOVE_FAILED));
}