@Override
public boolean updateBroadcastCache(Long entry, Short port) {
if (timedCache.update(entry)) {
AtomicLong count = portBroadcastCacheHitMap.get(port);
if (count == null) {
AtomicLong newCount = new AtomicLong(0);
AtomicLong retrieved;
if ((retrieved = portBroadcastCacheHitMap.putIfAbsent(port, newCount)) == null) {
count = newCount;
} else {
count = retrieved;
}
}
count.incrementAndGet();
return true;
} else {
return false;
}
}
protected boolean isInBroadcastCache(IOFSwitch sw, OFPacketIn pi, FloodlightContext cntx) {
// Get the cluster id of the switch.
// Get the hash of the Ethernet packet.
if (sw == null) return true;
// If the feature is disabled, always return false;
if (!broadcastCacheFeature) return false;
Ethernet eth =
IFloodlightProviderService.bcStore.get(cntx, IFloodlightProviderService.CONTEXT_PI_PAYLOAD);
Long broadcastHash;
broadcastHash =
topology.getL2DomainId(sw.getId()) * prime1 + pi.getInPort() * prime2 + eth.hashCode();
if (broadcastCache.update(broadcastHash)) {
sw.updateBroadcastCache(broadcastHash, pi.getInPort());
return true;
} else {
return false;
}
}