commit:

UdPunching.Example/README.md

@@ -1 +1 @@
-# Don't forget reGenerate RSA key!
+# Don't forget reGenerate RSA key!

UdPunching.Serv/README.md

@@ -1 +1 @@
-# Don't forget reGenerate RSA key!
+# Don't forget reGenerate RSA key!

UdPunching.Serv/ServProgram.cs

@@ -32,15 +32,33 @@ namespace UdPunching.Serv
             var peerId = TransferCodec.ReadId(sae.Buffer);
             Console.WriteLine($"Incoming packet#{packetSeq:0,000,000} peer id {peerId}");
 
+            byte[] msgData = null;
+
+            bool ValidateRequest()
+            {
+                try
+                {
+                    msgData = TransferCodec.DecodeData(_serverRsaCryptoServiceProvider, sae.Buffer);
+                    Console.WriteLine($"Incoming packet#{packetSeq:0,000,000} MsgLength: {msgData.Length}");
+                    return true;
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine(ex);
+                    return false;
+                }
+            }
+
             var rspMsg = new ExchangeMessage();
 
             var isSessionCreateNew = false;
-            var isSessionValidated = false;
+            var isRequestValidated = false;
+
             if (OnlineSessions.TryGetValue(peerId, out var session)
                 && session.RemoteEndPoint.IpEndPointEqualsTo(sae.RemoteEndPoint))
             {
                 session.Actively();
-                isSessionValidated = true;
+                isRequestValidated = ValidateRequest();
             }
             else
             {
@@ -52,29 +70,17 @@ namespace UdPunching.Serv
                 }
                 else
                 {
-                    session = new OnlineSession(peerId, sae.RemoteEndPoint, peerRsa);
-                    OnlineSessions[peerId] = session;
-                    isSessionCreateNew = true;
-                    isSessionValidated = true;
-                }
-            }
-
-            byte[] msgData = null;
-            if (isSessionValidated)
-            {
-                try
-                {
-                    msgData = TransferCodec.DecodeData(_serverRsaCryptoServiceProvider, sae.Buffer);
-                    Console.WriteLine($"Incoming packet#{packetSeq:0,000,000} MsgLength: {msgData.Length}");
-                }
-                catch (Exception ex)
-                {
-                    Console.WriteLine(ex);
-                    isSessionValidated = false;
+                    isRequestValidated = ValidateRequest();
+                    if (isRequestValidated)
+                    {
+                        session = new OnlineSession(peerId, sae.RemoteEndPoint, peerRsa);
+                        OnlineSessions[peerId] = session;
+                        isSessionCreateNew = true;
+                    }
                 }
             }
 
-            if (isSessionValidated)
+            if (isRequestValidated)
             {
                 var reqMsg = new ExchangeMessage(msgData);
                 Console.WriteLine($"Incoming packet#{packetSeq:0,000,000} Flags: {reqMsg.Flags}");