public async Task <ActionResult <PDQHashCalculation> > GetHash([FromForm, SwaggerParameter("File for upload (named in form as \"file\"", Required = true)] IFormFile file)
{
var tempFile = Path.GetTempFileName();
try
{
using (var stream = new FileStream(tempFile, FileMode.Create))
{
await file.CopyToAsync(stream);
}
return(new ActionResult <PDQHashCalculation>(_wrapper.GetHash(tempFile)));
}
catch (Exception e)
{
throw e;
}
finally
{
if (System.IO.File.Exists(tempFile))
{
System.IO.File.Delete(tempFile);
}
}
#pragma warning restore 1591
}
/// <summary>
/// Run worker.
/// </summary>
/// <param name="ct">CancellationToken. </param>
/// <returns>Task</returns>
private async Task RunWorker(CancellationToken ct)
{
while (!ct.IsCancellationRequested)
{
var tasking = await _hashRequestQueue.DequeueAsync(ct);
if (tasking != null)
{
var tempFile = Path.GetTempFileName();
try
{
File.WriteAllBytes(tempFile, tasking.Item1);
await _hubContext.Clients.Client(tasking.Item3).SendAsync("HashResult", new HashResult()
{
Id = tasking.Item2, Result = _wrapper.GetHash(tempFile)
}, ct);
// Console.WriteLine($"Response sent to client {tasking.Item3}");
}
catch (Exception e)
{
Console.WriteLine(e);
//connection probably lost - need to add some proper catching here
}
finally
{
if (File.Exists(tempFile))
{
File.Delete(tempFile);
}
}
}
else
{
await Task.Delay(100, ct);
}
}
}