fix error with IP address in server

f-cln/Properties/launchSettings.json

@@ -2,7 +2,7 @@
   "profiles": {
     "f-cln": {
       "commandName": "Project",
-      "commandLineArgs": "-p 3113"
+      "commandLineArgs": "--port 3113 -i 172.22.176.1"
     }
   }
 }

f-srv/Program.cs

@@ -20,13 +20,44 @@ namespace f_srv
             Option<IPAddress> ipOption = new("address", new[] { "--ip", "-i" })
             {
                 Description = "IP адрес для прослушивания (по умолчанию: все интерфейсы)",
-                DefaultValueFactory = parseResult => IPAddress.Any
+                DefaultValueFactory = parseResult => IPAddress.Any, 
+                CustomParser = result =>
+                {
+                    if (result.Tokens.Count != 1)
+                    {
+                        result.AddError("--address requires one argument");
+                        return IPAddress.Any;
+                    }
+
+                    return IPAddress.Parse(result.Tokens.Single().Value);
+                }
             };
 
             Option<int> portOption = new("port", new[] { "--port", "-p" })
             {
                 Description = "Порт для прослушивания (по умолчанию: 1771)",
-                DefaultValueFactory = parseResult => 1771
+                DefaultValueFactory = parseResult => 1771,
+                CustomParser = result =>
+                {
+                    if (!result.Tokens.Any())
+                    {
+                        return 1771;
+                    }
+
+                    if (int.TryParse(result.Tokens.Single().Value, out var delay))
+                    {
+                        if (delay < 1)
+                        {
+                            result.AddError("Must be greater than 0");
+                        }
+                        return delay;
+                    }
+                    else
+                    {
+                        result.AddError("Not an int.");
+                        return 0; // Ignored.
+                    }
+                }
             };
 
             var rootCommand = new RootCommand("Сервер для получения строк и отправки их в обратном порядке")

f-srv/Properties/launchSettings.json

@@ -2,7 +2,7 @@
   "profiles": {
     "f-srv": {
       "commandName": "Project",
-      "commandLineArgs": "--port 3113"
+      "commandLineArgs": "--port 3113 -i 192.168.15.128"
     }
   }
 }