public async Task WritePixel(WritePixelCommand command)
{
if (await IsRateLimited() || await IsBlacklisted())
{
//throttle user
await Task.Delay(TimeSpan.FromSeconds(RateLimitedRequests));
return;
}
var slice = GrainFactory.GetGrain <IPixelSliceGrain>(command.SliceKey);
await slice.WritePixel(command);
LastWrite = DateTime.UtcNow;
}
public Task WritePixel(WritePixelCommand command)
{
var index = SliceHelpers.GetIndex(command.X, command.Y);
var relativeIndex = index - Offset;
var pixel = _slice.Pixels[relativeIndex];
//only replace pixel if new command is newer.
if (command.Timestamp >= pixel.LastTimestamp || !pixel.LastTimestamp.HasValue)
{
pixel.Color = command.Color;
pixel.LastAuthor = command.Author;
pixel.LastTimestamp = command.Timestamp;
}
return(TaskDone.Done);
}
private static Task RunBatch(int count, Random random)
{
List <Task> tasks = new List <Task>();
var i = count;
while (i-- > 0)
{
var userid = random.Next() % 10;
var x = random.Next() % Constants.Width;
var y = random.Next() % Constants.Height;
var color = (Colors)(random.Next() % 256);
string username = $"TestClient_{userid}";
var author = GrainClient.GrainFactory.GetGrain <IUserGrain>(username);
var command = new WritePixelCommand()
{
X = (short)x,
Y = (short)y,
Author = username,
Color = color,
Timestamp = DateTime.UtcNow
};
//await author.WritePixel(command);
tasks.Add(author.WritePixel(command));
//Console.WriteLine($"{username} wrote pixel {x}x{y} with {color.ToString()}");
}
Task.WaitAll(tasks.ToArray());
return(TaskDone.Done);
}
