private FlowRuleEvent addOrUpdateFlowRuleInternal(FlowEntry rule) {
// check if this new rule is an update to an existing entry
StoredFlowEntry stored = flowTable.getFlowEntry(rule);
if (stored != null) {
stored.setBytes(rule.bytes());
stored.setLife(rule.life());
stored.setPackets(rule.packets());
if (stored.state() == FlowEntryState.PENDING_ADD) {
stored.setState(FlowEntryState.ADDED);
return new FlowRuleEvent(Type.RULE_ADDED, rule);
}
return new FlowRuleEvent(Type.RULE_UPDATED, rule);
}
// TODO: Confirm if this behavior is correct. See SimpleFlowRuleStore
// TODO: also update backup if the behavior is correct.
flowTable.add(rule);
return null;
}
/**
* add or update typed flow entry from flow entry into the internal flow table.
*
* @param flowEntries the flow entries
*/
public synchronized void addOrUpdateFlows(FlowEntry... flowEntries) {
for (FlowEntry fe : flowEntries) {
// check if this new rule is an update to an existing entry
TypedStoredFlowEntry stored = deviceFlowTable.getFlowEntry(fe);
if (stored != null) {
// duplicated flow entry is collected!, just skip
if (fe.bytes() == stored.bytes()
&& fe.packets() == stored.packets()
&& fe.life() == stored.life()) {
log.debug(
"addOrUpdateFlows:, FlowId="
+ Long.toHexString(fe.id().value())
+ ",is DUPLICATED stats collection, just skip."
+ " AdaptiveStats collection thread for {}",
sw.getStringId());
// FIXME modification of "stored" flow entry outside of store
stored.setLastSeen();
continue;
} else if (fe.life() < stored.life()) {
// Invalid updates the stats values, i.e., bytes, packets, durations ...
log.debug(
"addOrUpdateFlows():"
+ " Invalid Flow Update! The new life is SMALLER than the previous one, jus skip."
+ " new flowId="
+ Long.toHexString(fe.id().value())
+ ", old flowId="
+ Long.toHexString(stored.id().value())
+ ", new bytes="
+ fe.bytes()
+ ", old bytes="
+ stored.bytes()
+ ", new life="
+ fe.life()
+ ", old life="
+ stored.life()
+ ", new lastSeen="
+ fe.lastSeen()
+ ", old lastSeen="
+ stored.lastSeen());
// go next
// FIXME modification of "stored" flow entry outside of store
stored.setLastSeen();
continue;
}
// update now
// FIXME modification of "stored" flow entry outside of store
stored.setLife(fe.life());
stored.setPackets(fe.packets());
stored.setBytes(fe.bytes());
stored.setLastSeen();
if (stored.state() == FlowEntry.FlowEntryState.PENDING_ADD) {
// flow is really RULE_ADDED
stored.setState(FlowEntry.FlowEntryState.ADDED);
}
// flow is RULE_UPDATED, skip adding and just updating flow live table
// deviceFlowTable.calAndSetFlowLiveType(stored);
continue;
}
// add new flow entry, we suppose IMMEDIATE_FLOW
TypedStoredFlowEntry newFlowEntry =
new DefaultTypedFlowEntry(fe, FlowLiveType.IMMEDIATE_FLOW);
deviceFlowTable.addWithCalAndSetFlowLiveType(newFlowEntry);
}
}