private void buildAndApplyRule(
FilteringObjective filter, TrafficSelector selector, TrafficTreatment treatment) {
FlowRule rule =
DefaultFlowRule.builder()
.forDevice(deviceId)
.forTable(0)
.fromApp(filter.appId())
.makePermanent()
.withSelector(selector)
.withTreatment(treatment)
.withPriority(filter.priority())
.build();
FlowRuleOperations.Builder opsBuilder = FlowRuleOperations.builder();
switch (filter.type()) {
case PERMIT:
opsBuilder.add(rule);
break;
case DENY:
opsBuilder.remove(rule);
break;
default:
log.warn("Unknown filter type : {}", filter.type());
fail(filter, ObjectiveError.UNSUPPORTED);
}
applyFlowRules(opsBuilder, filter);
}
@Override
public JsonNode call() throws Exception {
ObjectNode node = mapper.createObjectNode();
CountDownLatch latch = new CountDownLatch(1);
flowService.apply(
adds.build(
new FlowRuleOperationsContext() {
private final Stopwatch timer = Stopwatch.createStarted();
@Override
public void onSuccess(FlowRuleOperations ops) {
long elapsed = timer.elapsed(TimeUnit.MILLISECONDS);
node.put("elapsed", elapsed);
latch.countDown();
}
}));
latch.await(10, TimeUnit.SECONDS);
if (this.remove) {
flowService.apply(removes.build());
}
return node;
}
private void prepareInstallation() {
Set<ControllerNode> instances = Sets.newHashSet(clusterService.getNodes());
instances.remove(clusterService.getLocalNode());
Set<NodeId> acceptableNodes = Sets.newHashSet();
if (neighbours >= instances.size()) {
instances.forEach(instance -> acceptableNodes.add(instance.id()));
} else {
Iterator<ControllerNode> nodes = instances.iterator();
for (int i = neighbours; i > 0; i--) {
acceptableNodes.add(nodes.next().id());
}
}
acceptableNodes.add(clusterService.getLocalNode().id());
Set<Device> devices = Sets.newHashSet();
for (Device dev : deviceService.getDevices()) {
if (acceptableNodes.contains(mastershipService.getMasterFor(dev.id()))) {
devices.add(dev);
}
}
TrafficTreatment treatment =
DefaultTrafficTreatment.builder()
.setOutput(PortNumber.portNumber(RandomUtils.nextInt()))
.build();
TrafficSelector.Builder sbuilder;
FlowRuleOperations.Builder rules = FlowRuleOperations.builder();
FlowRuleOperations.Builder remove = FlowRuleOperations.builder();
for (Device d : devices) {
for (int i = 0; i < this.flowPerDevice; i++) {
sbuilder = DefaultTrafficSelector.builder();
sbuilder
.matchEthSrc(MacAddress.valueOf(RandomUtils.nextInt() * i))
.matchEthDst(MacAddress.valueOf((Integer.MAX_VALUE - i) * RandomUtils.nextInt()));
int randomPriority = RandomUtils.nextInt();
FlowRule f =
DefaultFlowRule.builder()
.forDevice(d.id())
.withSelector(sbuilder.build())
.withTreatment(treatment)
.withPriority(randomPriority)
.fromApp(appId)
.makeTemporary(10)
.build();
rules.add(f);
remove.remove(f);
}
}
this.adds = rules;
this.removes = remove;
}
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);
}
private void applyRules(ForwardingObjective fwd, FlowRule.Builder inner, FlowRule.Builder outer) {
FlowRuleOperations.Builder builder = FlowRuleOperations.builder();
switch (fwd.op()) {
case ADD:
builder.add(inner.build()).add(outer.build());
break;
case REMOVE:
builder.remove(inner.build()).remove(outer.build());
break;
case ADD_TO_EXISTING:
break;
case REMOVE_FROM_EXISTING:
break;
default:
log.warn("Unknown forwarding operation: {}", fwd.op());
}
applyFlowRules(builder, fwd);
}
private void applyFlowRules(FlowRuleOperations.Builder builder, Objective objective) {
flowRuleService.apply(
builder.build(
new FlowRuleOperationsContext() {
@Override
public void onSuccess(FlowRuleOperations ops) {
pass(objective);
}
@Override
public void onError(FlowRuleOperations ops) {
fail(objective, ObjectiveError.FLOWINSTALLATIONFAILED);
}
}));
}
