public void NotifyOfPrepared(Guid transactionId, DateTime timeStamp, TransactionalStatus status)
{
var pos = commitQueue.Find(transactionId, timeStamp);
if (pos != -1)
{
var localEntry = commitQueue[pos];
if (localEntry.Role != CommitRole.LocalCommit)
{
logger.Error(666, $"transaction abort due to internal error in {nameof(NotifyOfPrepared)}: Wrong commit type");
throw new InvalidOperationException($"Wrong commit type: {localEntry.Role}");
}
if (status == TransactionalStatus.Ok)
{
localEntry.WaitCount--;
storageWorker.Notify();
}
else
{
AbortCommits(status, pos);
this.RWLock.Notify();
}
}
else
{
// this message has arrived ahead of the commit request - we need to remember it
if (this.unprocessedPreparedMessages == null)
{
this.unprocessedPreparedMessages = new Dictionary <DateTime, PMessages>();
}
PMessages info;
if (!this.unprocessedPreparedMessages.TryGetValue(timeStamp, out info))
{
this.unprocessedPreparedMessages[timeStamp] = info = new PMessages();
}
if (status == TransactionalStatus.Ok)
{
info.Count++;
}
else
{
info.Status = status;
}
// TODO fix memory leak if corresponding commit messages never arrive
}
}
public async Task NotifyOfPrepared(Guid transactionId, DateTime timeStamp, TransactionalStatus status)
{
var pos = commitQueue.Find(transactionId, timeStamp);
if (logger.IsEnabled(LogLevel.Trace))
{
logger.LogTrace("NotifyOfPrepared - TransactionId:{TransactionId} Timestamp:{Timestamp}, TransactionalStatus{TransactionalStatus}", transactionId, timeStamp, status);
}
if (pos != -1)
{
var localEntry = commitQueue[pos];
if (localEntry.Role != CommitRole.LocalCommit)
{
logger.LogError($"Transaction abort due to internal error in {nameof(NotifyOfPrepared)}: Wrong commit type");
throw new InvalidOperationException($"Wrong commit type: {localEntry.Role}");
}
if (status == TransactionalStatus.Ok)
{
localEntry.WaitCount--;
storageWorker.Notify();
}
else
{
await AbortCommits(status, pos);
this.RWLock.Notify();
}
}
else
{
// this message has arrived ahead of the commit request - we need to remember it
if (!this.unprocessedPreparedMessages.TryGetValue(timeStamp, out PreparedMessages info))
{
this.unprocessedPreparedMessages[timeStamp] = info = new PreparedMessages(status);
}
if (status == TransactionalStatus.Ok)
{
info.Count++;
}
else
{
info.Status = status;
}
// TODO fix memory leak if corresponding commit messages never arrive
}
}
