/** Add an endpoint we knew about previously, but whose state is unknown */
public void addSavedEndpoint(InetAddress ep) {
EndpointState epState = endpointStateMap_.get(ep);
if (epState == null) {
epState = new EndpointState(new HeartBeatState(0));
epState.isAlive(false);
epState.isAGossiper(true);
epState.setHasToken(true);
endpointStateMap_.put(ep, epState);
unreachableEndpoints_.put(ep, System.currentTimeMillis());
}
}
void doStatusCheck() {
long now = System.currentTimeMillis();
Set<InetAddress> eps = endpointStateMap_.keySet();
for (InetAddress endpoint : eps) {
if (endpoint.equals(localEndpoint_)) continue;
FailureDetector.instance.interpret(endpoint);
EndpointState epState = endpointStateMap_.get(endpoint);
if (epState != null) {
long duration = now - epState.getUpdateTimestamp();
if (StorageService.instance.getTokenMetadata().isMember(endpoint))
epState.setHasToken(true);
// check if this is a fat client. fat clients are removed automatically from
// gosip after FatClientTimeout
if (!epState.getHasToken()
&& !epState.isAlive()
&& !justRemovedEndpoints_.containsKey(endpoint)
&& (duration > FatClientTimeout_)) {
logger_.info(
"FatClient "
+ endpoint
+ " has been silent for "
+ FatClientTimeout_
+ "ms, removing from gossip");
removeEndpoint(
endpoint); // will put it in justRemovedEndpoints to respect quarantine delay
evictFromMembership(endpoint); // can get rid of the state immediately
}
if (!epState.isAlive() && (duration > aVeryLongTime_)) {
evictFromMembership(endpoint);
}
}
}
if (!justRemovedEndpoints_.isEmpty()) {
Map<InetAddress, Long> copy = new HashMap<InetAddress, Long>(justRemovedEndpoints_);
for (Map.Entry<InetAddress, Long> entry : copy.entrySet()) {
if ((now - entry.getValue()) > QUARANTINE_DELAY) {
if (logger_.isDebugEnabled())
logger_.debug(
QUARANTINE_DELAY + " elapsed, " + entry.getKey() + " gossip quarantine over");
justRemovedEndpoints_.remove(entry.getKey());
}
}
}
}