private int ReplayUnackedMessages(CancellationToken cancellationToken)
{
using (var reader = _storage.CreateMessageReader(_peer.Id))
{
if (reader == null)
{
return(0);
}
var totalMessageCount = 0;
foreach (var partition in reader.GetUnackedMessages().TakeWhile(m => !cancellationToken.IsCancellationRequested).Partition(_replayBatchSize, true))
{
var messageSentCount = 0;
var batchDuration = MeasureDuration();
var readAndSendDuration = MeasureDuration();
foreach (var message in partition.Select(DeserializeTransportMessage))
{
_unackedIds.Add(message.Id);
ReplayMessage(message);
messageSentCount++;
}
totalMessageCount += messageSentCount;
_logger.Info($"Read and send for last batch of {messageSentCount} msgs for {_peer.Id} took {readAndSendDuration.Value}. ({messageSentCount / readAndSendDuration.Value.TotalSeconds} msg/s)");
WaitForAcks(cancellationToken);
_logger.Info($"Last batch for {_peer.Id} took {batchDuration.Value} to be totally replayed ({messageSentCount / batchDuration.Value.TotalSeconds} msg/s)");
_reporter.AddReplaySpeedReport(messageSentCount, readAndSendDuration.Value.TotalSeconds, batchDuration.Value.TotalSeconds);
}
_logger.Info($"Replay finished for peer {_peer.Id}. Disposing the reader");
return(totalMessageCount);
}
}