private async Task ProcessNextRequest(Client client)
{
Log.Info($"Awaiting request message from {client.EndPoint.Host}.");
Request request;
try
{
request = await client.ReadRequest();
}
catch (ObjectDisposedException e)
{
throw new OperationCanceledException(e.Message, e);
}
catch (IOException e)
{
throw new OperationCanceledException(e.Message, e);
}
catch (InvalidDataException e)
{
throw new OperationCanceledException(e.Message, e);
}
Log.Info($"Request received from {client.EndPoint.Host}: Id: {request.Id}, R: {request.RealCenter}, I: {request.ImaginaryCenter}");
Log.Info($"Will send {request.HeightPixels * request.WidthPixels * sizeof(int)} bytes.");
var stopwatch = Stopwatch.StartNew();
var fractal = await Task.Run(() => _mandelbrotProcessor.ComputeSet(
request.RealLowerBound,
request.Width,
request.ImaginaryLowerBound,
request.Height,
1 / request.Resolution,
request.MaxMagnitude,
request.MaxIterations));
Log.Info($"Calculated mandelbrot set in {stopwatch.ElapsedMilliseconds} ms.");
stopwatch.Restart();
var data = fractal.SelectMany(values => values)
.SelectMany(value => BitConverter.GetBytes(value))
.ToArray();
Log.Info($"Serialized mandelbrot set in {stopwatch.ElapsedMilliseconds} ms.");
stopwatch.Stop();
var result = new Result(request, data);
Log.Info($"Sending result for {result.OriginatingRequest.Id} to client {client.EndPoint.Host}.");
try
{
await client.SendResult(result);
}
catch (Exception e)
{
Log.Error(e.ToString());
}
}
private static void Main(string[] args)
{
Log.Info($"Application started with args: {string.Join(',', args)}");
var mandelbrot = new MandelbrotProcessor();
Log.Info($"Calculating mandelbrot set...");
var mandelbrotSet = mandelbrot.ComputeSet(-2, 3, -1, 2, 1000, 2, 85);
Log.Info($"Converting to portable gray map...");
var fractalGrayMap = BitmapFormatter.GeneratePortableGraymap(mandelbrotSet, 85);
Log.Info($"Writing to file...");
using (var fs = new FileStream(args[Array.IndexOf(args, "-o") + 1], FileMode.Create))
{
using (var bw = new BinaryWriter(fs))
{
bw.Write(fractalGrayMap);
bw.Flush();
}
}
}