public async Task GetImage(int index)
{
var response = Response;
response.Headers.Add("Content-Type", "text/event-stream");
response.Headers.Add("Cache-Control", "no-cache");
response.Headers.Add("Connection", "keep-alive");
string previousName = "";
for (var i = 0; true; i = (i + 1) % 100)
{
string imageName = "/empty.png";
ImageVM image = _livedata.GetImages().Find(i => i.index == index);
if (image != null)
{
imageName = image.filename;
}
if (!imageName.Equals(previousName))
{
await response.WriteAsync($"id: ${i}\n");
await response.WriteAsync("event: message\n");
await response.WriteAsync($"data: {imageName}\n\n");
previousName = imageName;
}
await response.Body.FlushAsync();
await Task.Delay(200);
}
}
public List <ImageVM> GetActive()
{
return(_liveDataService.GetImages());
}
