Example #1
0
        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 = newActiveLogEvent.commitPositionId;
                leadershipTermId    = CommitPos.GetLeadershipTermId(counters, counterId);
                termBaseLogPosition = CommitPos.GetTermBaseLogPosition(counters, counterId); // TODO MARK

                if (CommitPos.GetLeadershipTermLength(counters, counterId) > 0)
                {
                    using (Subscription subscription = aeron.AddSubscription(newActiveLogEvent.channel, newActiveLogEvent.streamId))
                    {
                        serviceControlPublisher.AckAction(termBaseLogPosition, leadershipTermId, serviceId, ClusterAction.READY);

                        Image             image   = AwaitImage(newActiveLogEvent.sessionId, subscription);
                        ReadableCounter   limit   = new ReadableCounter(counters, counterId);
                        BoundedLogAdapter adapter = new BoundedLogAdapter(image, limit, this);

                        ConsumeImage(image, adapter);

                        termBaseLogPosition += image.Position();
                    }
                }

                newActiveLogEvent = null;
                serviceControlPublisher.AckAction(termBaseLogPosition, leadershipTermId, serviceId, ClusterAction.REPLAY);
            }

            service.OnReplayEnd();
        }