Example #1
0
 /** 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());
   }
 }
Example #2
0
  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());
        }
      }
    }
  }