internal BoundedLogAdapter(Image image, ReadableCounter upperBound, ClusteredServiceAgent agent)
{
fragmentAssembler = new ImageControlledFragmentAssembler(this, INITIAL_BUFFER_LENGTH);
this.image = image;
this.upperBound = upperBound;
this.agent = agent;
}
public void OnStart()
{
service.OnStart(this);
CountersReader counters = aeron.CountersReader();
int recoveryCounterId = AwaitRecoveryCounterId(counters);
isRecovering = true;
CheckForSnapshot(counters, recoveryCounterId);
CheckForReplay(counters, recoveryCounterId);
isRecovering = false;
JoinActiveLog(counters);
roleCounter = AwaitClusterRoleCounter(counters);
role = (ClusterRole)roleCounter.Get();
if (ClusterRole.Leader == role)
{
foreach (ClientSession session in sessionByIdMap.Values)
{
session.Connect(aeron);
}
}
}
public void OnStart()
{
aeron.AddCloseHandler(abortHandler);
CountersReader counters = aeron.CountersReader;
roleCounter = AwaitClusterRoleCounter(counters, ctx.ClusterId());
commitPosition = AwaitCommitPositionCounter(counters, ctx.ClusterId());
RecoverState(counters);
}
public void OnStart()
{
CountersReader counters = aeron.CountersReader;
roleCounter = AwaitClusterRoleCounter(counters);
commitPosition = AwaitCommitPositionCounter(counters);
int recoveryCounterId = AwaitRecoveryCounter(counters);
isServiceActive = true;
CheckForSnapshot(counters, recoveryCounterId);
CheckForReplay(counters, recoveryCounterId);
}
public void OnStart()
{
CountersReader counters = aeron.CountersReader();
roleCounter = AwaitClusterRoleCounter(counters);
FindHeartbeatCounter(counters);
service.OnStart(this);
isRecovering = true;
int recoveryCounterId = AwaitRecoveryCounter(counters);
CheckForSnapshot(counters, recoveryCounterId);
CheckForReplay(counters, recoveryCounterId);
isRecovering = false;
service.OnReady();
}
public void OnStart()
{
CountersReader counters = aeron.CountersReader;
roleCounter = AwaitClusterRoleCounter(counters);
heartbeatCounter = AwaitHeartbeatCounter(counters);
commitPosition = AwaitCommitPositionCounter(counters);
service.OnStart(this);
int recoveryCounterId = AwaitRecoveryCounter(counters);
heartbeatCounter.SetOrdered(epochClock.Time());
CheckForSnapshot(counters, recoveryCounterId);
CheckForReplay(counters, recoveryCounterId);
}
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();
}
private void CheckForReplay(CountersReader counters, int recoveryCounterId)
{
if (RecoveryState.HasReplay(counters, recoveryCounterId))
{
AwaitActiveLog();
int counterId = _activeLogEvent.commitPositionId;
using (Subscription subscription = aeron.AddSubscription(_activeLogEvent.channel, _activeLogEvent.streamId))
{
_consensusModuleProxy.Ack(CommitPos.GetLogPosition(counters, counterId), ackId++, serviceId);
Image image = AwaitImage(_activeLogEvent.sessionId, subscription);
ReadableCounter limit = new ReadableCounter(counters, counterId);
BoundedLogAdapter adapter = new BoundedLogAdapter(image, limit, this);
ConsumeImage(image, adapter);
}
_activeLogEvent = null;
heartbeatCounter.SetOrdered(epochClock.Time());
}
}
