Clean temp files on startup.

server/RdtClient.Service/Services/Settings.cs

@@ -19,6 +19,7 @@ namespace RdtClient.Service.Services
         Task TestPath(String path);
         Task<Double> TestDownloadSpeed(CancellationToken cancellationToken);
         Task<Double> TestWriteSpeed();
+        void Clean();
     }
 
     public class Settings : ISettings
@@ -133,12 +134,7 @@ namespace RdtClient.Service.Services
                 File.Delete(testFilePath);
             }
 
-            var files = Directory.GetFiles(tempPath, "*.dsc", SearchOption.TopDirectoryOnly);
+            Clean();
-
-            foreach (var file in files)
-            {
-                File.Delete(file);
-            }
 
             return downloadClient.Speed;
         }
@@ -186,5 +182,27 @@ namespace RdtClient.Service.Services
 
             return writeSpeed;
         }
+
+        public void Clean()
+        {
+            try
+            {
+                var tempPath = GetString("TempPath").Result;
+
+                if (!String.IsNullOrWhiteSpace(tempPath))
+                {
+                    var files = Directory.GetFiles(tempPath, "*.dsc", SearchOption.TopDirectoryOnly);
+
+                    foreach (var file in files)
+                    {
+                        File.Delete(file);
+                    }
+                }
+            }
+            catch
+            {
+                // ignored
+            }
+        }
     }
 }

server/RdtClient.Web/Startup.cs

@@ -91,7 +91,7 @@ namespace RdtClient.Web
             Service.DiConfig.Config(services);
         }
 
-        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILogger<Startup> logger)
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILogger<Startup> logger, ISettings settings)
         {
             if (env.IsDevelopment())
             {
@@ -133,6 +133,8 @@ namespace RdtClient.Web
                     spa.Options.DefaultPage = "/index.html";
                 });
             });
+
+            settings.Clean();
         }
     }
 }