private async Task <IOperationResult> DoReplayAsync(
Action <IOperationProgress> onProgress,
Stream replayStream,
CancellationToken token)
{
const int commandAmountBetweenResponds = 1024;
long commandAmountForNextRespond = commandAmountBetweenResponds;
try
{
var progress = new IndeterminateProgressCount
{
Processed = 0
};
// send initial progress
onProgress(progress);
long commandsProgress = 0;
await foreach (var replayProgress in ReplayTxCommandHelper.ReplayAsync(Database, replayStream))
{
commandsProgress = replayProgress.CommandsProgress;
if (replayProgress.CommandsProgress > commandAmountForNextRespond)
{
commandAmountForNextRespond = replayProgress.CommandsProgress + commandAmountBetweenResponds;
progress.Processed = replayProgress.CommandsProgress;
onProgress(progress);
}
token.ThrowIfCancellationRequested();
}
return(new ReplayTxOperationResult
{
ExecutedCommandsAmount = commandsProgress
});
}
catch (Exception e)
{
//Because the request is working while the file is uploading the server needs to ignore the rest of the stream
//and the client needs to stop sending it
HttpContext.Response.Headers["Connection"] = "close";
throw new InvalidOperationException("Failed to process replay transaction commands", e);
}
}
private IOperationResult DoReplay(
Action <IOperationProgress> onProgress,
Stream replayStream,
CancellationToken token)
{
const int commandAmountBetweenResponds = 1024;
long commandAmountForNextRespond = commandAmountBetweenResponds;
try
{
long commandsProgress = 0;
var stopwatch = Stopwatch.StartNew();
stopwatch.Start();
foreach (var replayProgress in ReplayTxCommandHelper.Replay(Database, replayStream))
{
commandsProgress = replayProgress.CommandsProgress;
if (replayProgress.CommandsProgress > commandAmountForNextRespond)
{
commandAmountForNextRespond = replayProgress.CommandsProgress + commandAmountBetweenResponds;
onProgress(new ReplayTxProgress
{
ProcessedCommand = replayProgress.CommandsProgress,
PassedTime = stopwatch.Elapsed
});
}
token.ThrowIfCancellationRequested();
}
stopwatch.Stop();
return(new ReplayTxOperationResult
{
ExecutedCommandsAmount = commandsProgress,
PassedTime = stopwatch.Elapsed
});
}
catch (Exception e)
{
//Because the request is working while the file is uploading the server needs to ignore the rest of the stream
//and the client needs to stop sending it
HttpContext.Response.Headers["Connection"] = "close";
throw new InvalidOperationException("Failed to process replay transaction commands", e);
}
}
