Exemple #1
0
 /* Sends a Gossip message to an unreachable member */
 void doGossipToUnreachableMember(Message message) {
   double liveEndpoints = liveEndpoints_.size();
   double unreachableEndpoints = unreachableEndpoints_.size();
   if (unreachableEndpoints > 0) {
     /* based on some probability */
     double prob = unreachableEndpoints / (liveEndpoints + 1);
     double randDbl = random_.nextDouble();
     if (randDbl < prob) sendGossip(message, unreachableEndpoints_.keySet());
   }
 }
Exemple #2
0
  /* Gossip to a seed for facilitating partition healing */
  void doGossipToSeed(Message message) {
    int size = seeds_.size();
    if (size > 0) {
      if (size == 1 && seeds_.contains(localEndpoint_)) {
        return;
      }

      if (liveEndpoints_.size() == 0) {
        sendGossip(message, seeds_);
      } else {
        /* Gossip with the seed with some probability. */
        double probability =
            seeds_.size() / (double) (liveEndpoints_.size() + unreachableEndpoints_.size());
        double randDbl = random_.nextDouble();
        if (randDbl <= probability) sendGossip(message, seeds_);
      }
    }
  }
 public int getPauseTime() {
   return (int) (Math.max(1000, 5000 * random.nextDouble()));
 }