private void CheckForReplay(CountersReader counters, int recoveryCounterId)
{
long replayTermCount = RecoveryState.GetReplayTermCount(counters, recoveryCounterId);
if (0 == replayTermCount)
{
return;
}
service.OnReplayBegin();
for (int i = 0; i < replayTermCount; i++)
{
AwaitActiveLog();
int counterId = activeLog.commitPositionId;
baseLogPosition = CommitPos.GetBaseLogPosition(counters, counterId);
leadershipTermId = CommitPos.GetLeadershipTermId(counters, counterId);
using (Subscription subscription = aeron.AddSubscription(activeLog.channel, activeLog.streamId))
{
serviceControlPublisher.AckAction(baseLogPosition, leadershipTermId, serviceId,
ClusterAction.READY);
Image image = AwaitImage(activeLog.sessionId, subscription);
ReadableCounter limit = new ReadableCounter(counters, counterId);
BoundedLogAdapter adapter = new BoundedLogAdapter(image, limit, this);
ConsumeImage(image, adapter);
long logPosition = baseLogPosition + image.Position();
serviceControlPublisher.AckAction(logPosition, leadershipTermId, serviceId, ClusterAction.REPLAY);
}
}
service.OnReplayEnd();
}
private void JoinActiveLog(CountersReader counters)
{
AwaitActiveLog();
int commitPositionId = activeLog.commitPositionId;
if (!CommitPos.IsActive(counters, commitPositionId))
{
throw new System.InvalidOperationException("CommitPos counter not active: " + commitPositionId);
}
int logSessionId = activeLog.sessionId;
leadershipTermId = activeLog.leadershipTermId;
baseLogPosition = CommitPos.GetBaseLogPosition(counters, commitPositionId);
Subscription logSubscription = aeron.AddSubscription(activeLog.channel, activeLog.streamId);
Image image = AwaitImage(logSessionId, logSubscription);
serviceControlPublisher.AckAction(baseLogPosition, leadershipTermId, serviceId, ClusterAction.READY);
logAdapter = new BoundedLogAdapter(image, new ReadableCounter(counters, commitPositionId), this);
activeLog = null;
}