private long OnTakeSnapshot(long logPosition, long leadershipTermId)
{
long recordingId;
using (AeronArchive archive = AeronArchive.Connect(archiveCtx))
using (Publication publication = aeron.AddExclusivePublication(ctx.SnapshotChannel(), ctx.SnapshotStreamId()))
{
var channel = ChannelUri.AddSessionId(ctx.SnapshotChannel(), publication.SessionId);
long subscriptionId = archive.StartRecording(channel, ctx.SnapshotStreamId(), SourceLocation.LOCAL);
try
{
CountersReader counters = aeron.CountersReader();
int counterId = AwaitRecordingCounter(publication.SessionId, counters);
recordingId = RecordingPos.GetRecordingId(counters, counterId);
SnapshotState(publication, logPosition, leadershipTermId);
service.OnTakeSnapshot(publication);
AwaitRecordingComplete(recordingId, publication.Position, counters, counterId, archive);
}
finally
{
archive.StopRecording(subscriptionId);
}
}
return(recordingId);
}
internal void Connect(Aeron.Aeron aeron)
{
if (null == _responsePublication)
{
_responsePublication = aeron.AddExclusivePublication(ResponseChannel, ResponseStreamId);
}
}
internal void Connect(Aeron.Aeron aeron)
{
if (null == _responsePublication)
{
try
{
_responsePublication = aeron.AddExclusivePublication(ResponseChannel, ResponseStreamId);
}
catch (RegistrationException)
{
// ignore
}
}
}
