public async Task <ModelResponse> SendRequest(MRCnnResponse lastPrediction, List <Rect> positions, string activeUrl)
{
var client = httpClientFactory.CreateClient();
var url = BuildUrl(positions, activeUrl);
var response = await client.GetAsync(url);
if (!response.IsSuccessStatusCode)
{
lastPrediction.Online = false;
throw new ModelUnreachable();
}
else
{
lastPrediction.Online = true;
}
var content = await response.Content.ReadAsStringAsync();
try
{
return(JsonConvert.DeserializeObject <ModelResponse>(content));
}
catch
{
throw new InvalidModelResponse();
}
}
public MRCnnResponse GetLastPrediction(int source)
{
if (LastPredictions.ContainsKey(source))
{
return(LastPredictions[source]);
}
return(LastPredictions[source] = new MRCnnResponse());
}
private async Task PredictBySource(MRCnnResponse lastPrediction, StreamSource streamSource)
{
try
{
lastPrediction.Working = true;
Timer.Restart();
List <Rect> positions = await controls.AllSelected(streamSource.Id);
var currentSourceId = streamSource.Id;
var activeUrl = Enviroment.SourceImageRemote(streamSource);
if (positions.Count == 0)
{
lastPrediction.Free = 0;
lastPrediction.Total = 0;
lastPrediction.Rects = new List <DrawRects>();
return;
}
var model = await SendRequest(lastPrediction, positions, activeUrl);
var carDetections = model.Data
.Where(x => x[1] == "car")
.ToList();
// Save to history
lastPrediction.AddPrediction(model);
lastPrediction.Result = positions
.Select(x => new DrawRects(x.x1, x.y1, x.x2, x.y2))
.ToList();
lastPrediction.Detected = model.Detected;
// Format newest data
lastPrediction.Total = positions.Count;
lastPrediction.Free = model.Detected
.Where(x => x < 0.4)
.Count();
lastPrediction.Width = model.Width;
lastPrediction.Height = model.Height;
lastPrediction.SourceId = currentSourceId;
lastPrediction.Miliseconds = (int)Timer.ElapsedMilliseconds;
lastPrediction.Online = true;
lastPrediction.ParseRects(model.Rects);
}
catch (Exception e)
{
lastPrediction.Online = false;
}
finally
{
lastPrediction.Working = false;
}
}
