make cython app exit correctly

Azaion.CommonSecurity/Services/PythonResourceLoader.cs

@@ -11,6 +11,7 @@ namespace Azaion.CommonSecurity.Services;
 public interface IResourceLoader
 {
     MemoryStream LoadFileFromPython(string fileName);
+    void StopPython();
 }
 
 public interface IAuthProvider
@@ -49,11 +50,11 @@ public class PythonResourceLoader : IResourceLoader, IAuthProvider
         using var process = new Process();
         process.StartInfo = new ProcessStartInfo
         {
-            FileName = SecurityConstants.AzaionInferencePath,
+            FileName = SecurityConstants.AZAION_INFERENCE_PATH,
             Arguments = $"-e {credentials.Email} -p {credentials.Password} -f {apiConfig.ResourcesFolder}",
-            UseShellExecute = false,
-            RedirectStandardOutput = true,
-            RedirectStandardError = true,
+            //UseShellExecute = false,
+            //RedirectStandardOutput = true,
+            // RedirectStandardError = true,
             //CreateNoWindow = true
         };
 
@@ -62,18 +63,10 @@ public class PythonResourceLoader : IResourceLoader, IAuthProvider
         process.Start();
     }
 
-    public async Task LoadFileFromApi(CancellationToken cancellationToken = default)
+    public void StopPython()
     {
-        var hardwareService = new HardwareService();
-        var hardwareInfo = hardwareService.GetHardware();
-
-        var encryptedStream = await _api.GetResource("azaion_inference.exe", _credentials.Password, hardwareInfo, cancellationToken);
-
-        var key = Security.MakeEncryptionKey(_credentials.Email, _credentials.Password, hardwareInfo.Hash);
-        var stream = new MemoryStream();
-        await encryptedStream.DecryptTo(stream, key, cancellationToken);
-        stream.Seek(0, SeekOrigin.Begin);
-
+        _dealer.SendFrame(MessagePackSerializer.Serialize(new RemoteCommand(CommandType.Exit)));
+        _dealer?.Close();
     }
 
     public MemoryStream LoadFileFromPython(string fileName)