private static bool PollForResponse(AeronArchive archive, long correlationId)
{
ControlResponsePoller poller = archive.ControlResponsePoller();
if (poller.Poll() > 0 && poller.IsPollComplete())
{
if (poller.ControlSessionId() == archive.ControlSessionId() && poller.CorrelationId() == correlationId)
{
if (poller.Code() == ControlResponseCode.ERROR)
{
throw new ArchiveException("archive response for correlationId=" + correlationId +
", error: " + poller.ErrorMessage(), (int)poller.RelevantId());
}
return(true);
}
}
return(false);
}
private int GetRecordingPosition(long nowMs)
{
int workCount = 0;
if (Aeron.NULL_VALUE == activeCorrelationId)
{
long correlationId = archive.Ctx().AeronClient().NextCorrelationId();
if (archive.Proxy().GetRecordingPosition(recordingId, correlationId, archive.ControlSessionId()))
{
activeCorrelationId = correlationId;
timeOfLastProgressMs = nowMs;
workCount += 1;
}
}
else if (PollForResponse(archive, activeCorrelationId))
{
nextTargetPosition = PolledRelevantId(archive);
activeCorrelationId = Aeron.NULL_VALUE;
if (AeronArchive.NULL_POSITION == nextTargetPosition)
{
long correlationId = archive.Ctx().AeronClient().NextCorrelationId();
if (archive.Proxy().GetStopPosition(recordingId, correlationId, archive.ControlSessionId()))
{
activeCorrelationId = correlationId;
timeOfLastProgressMs = nowMs;
workCount += 1;
}
}
else
{
timeOfLastProgressMs = nowMs;
SetState(State.REPLAY);
}
workCount += 1;
}
return(workCount);
}
private int AwaitInitialRecordingPosition()
{
int workCount = 0;
if (NULL_VALUE == activeCorrelationId)
{
long correlationId = archive.Ctx().AeronClient().NextCorrelationId();
if (archive.Proxy().GetRecordingPosition(recordingId, correlationId, archive.ControlSessionId()))
{
activeCorrelationId = correlationId;
workCount += 1;
}
}
else if (PollForResponse(archive, activeCorrelationId))
{
nextTargetPosition = PolledRelevantId(archive);
if (AeronArchive.NULL_POSITION == nextTargetPosition)
{
var correlationId = archive.Ctx().AeronClient().NextCorrelationId();
if (archive.Proxy().GetStopPosition(recordingId, correlationId, archive.ControlSessionId()))
{
activeCorrelationId = correlationId;
workCount += 1;
}
}
else
{
initialMaxPosition = nextTargetPosition;
activeCorrelationId = NULL_VALUE;
SetState(State.AWAIT_REPLAY);
}
workCount += 1;
}
return(workCount);
}
