Ejemplo n.º 1
0
 @Override
 public int compare(Iv2RepairLogResponseMessage o1, Iv2RepairLogResponseMessage o2) {
   if (o1.getHandle() < o2.getHandle()) {
     return -1;
   } else if (o1.getHandle() > o2.getHandle()) {
     return 1;
   }
   return 0;
 }
Ejemplo n.º 2
0
 /** Process a new repair log response */
 @Override
 public void deliver(VoltMessage message) {
   if (message instanceof Iv2RepairLogResponseMessage) {
     Iv2RepairLogResponseMessage response = (Iv2RepairLogResponseMessage) message;
     if (response.getRequestId() != m_requestId) {
       tmLog.debug(
           m_whoami
               + "rejecting stale repair response."
               + " Current request id is: "
               + m_requestId
               + " Received response for request id: "
               + response.getRequestId());
       return;
     }
     ReplicaRepairStruct rrs = m_replicaRepairStructs.get(response.m_sourceHSId);
     if (rrs.m_expectedResponses < 0) {
       tmLog.debug(
           m_whoami
               + "collecting "
               + response.getOfTotal()
               + " repair log entries from "
               + CoreUtils.hsIdToString(response.m_sourceHSId));
     }
     // Long.MAX_VALUE has rejoin semantics
     if (response.getHandle() != Long.MAX_VALUE) {
       m_maxSeenTxnId = Math.max(m_maxSeenTxnId, response.getHandle());
     }
     if (response.getPayload() != null) {
       m_repairLogUnion.add(response);
       if (tmLog.isTraceEnabled()) {
         tmLog.trace(
             m_whoami
                 + " collected from "
                 + CoreUtils.hsIdToString(response.m_sourceHSId)
                 + ", message: "
                 + response.getPayload());
       }
     }
     if (rrs.update(response)) {
       tmLog.debug(
           m_whoami
               + "collected "
               + rrs.m_receivedResponses
               + " responses for "
               + rrs.m_expectedResponses
               + " repair log entries from "
               + CoreUtils.hsIdToString(response.m_sourceHSId));
       if (areRepairLogsComplete()) {
         repairSurvivors();
       }
     }
   }
 }
Ejemplo n.º 3
0
  /** Send missed-messages to survivors. */
  public void repairSurvivors() {
    // cancel() and repair() must be synchronized by the caller (the deliver lock,
    // currently). If cancelled and the last repair message arrives, don't send
    // out corrections!
    if (this.m_promotionResult.isCancelled()) {
      tmLog.debug(m_whoami + "Skipping repair message creation for cancelled Term.");
      return;
    }

    int queued = 0;
    tmLog.debug(m_whoami + "received all repair logs and is repairing surviving replicas.");
    for (Iv2RepairLogResponseMessage li : m_repairLogUnion) {
      List<Long> needsRepair = new ArrayList<Long>(5);
      for (Entry<Long, ReplicaRepairStruct> entry : m_replicaRepairStructs.entrySet()) {
        if (entry.getValue().needs(li.getHandle())) {
          ++queued;
          tmLog.debug(
              m_whoami
                  + "repairing "
                  + CoreUtils.hsIdToString(entry.getKey())
                  + ". Max seen "
                  + entry.getValue().m_maxSpHandleSeen
                  + ". Repairing with "
                  + li.getHandle());
          needsRepair.add(entry.getKey());
        }
      }
      if (!needsRepair.isEmpty()) {
        if (tmLog.isTraceEnabled()) {
          tmLog.trace(
              m_whoami
                  + "repairing: "
                  + CoreUtils.hsIdCollectionToString(needsRepair)
                  + " with message: "
                  + li.getPayload());
        }
        m_mailbox.repairReplicasWith(needsRepair, li.getPayload());
      }
    }
    tmLog.debug(m_whoami + "finished queuing " + queued + " replica repair messages.");

    m_promotionResult.done(m_maxSeenTxnId);
  }
Ejemplo n.º 4
0
 // update counters and return the number of outstanding messages.
 boolean update(Iv2RepairLogResponseMessage response) {
   m_receivedResponses++;
   m_expectedResponses = response.getOfTotal();
   m_maxSpHandleSeen = Math.max(m_maxSpHandleSeen, response.getHandle());
   return logsComplete();
 }