Actually reply to the client.

client.py

@@ -8,3 +8,4 @@ s.send(struct.pack(">b", 49))
 s.send(struct.pack(">h", 4) + "dupa".encode("utf-16le"))
 s.send(struct.pack(">h", 4) + "crap".encode("utf-16le"))
 s.send(struct.pack(">i", 25565))
+print " ".join("%02x" % ord(c) for c in s.recv(1024))

src/ClientConnection.cpp

@@ -80,12 +80,7 @@ int CClientConnection::Communicate(void)
                     m_State = HANDSHAKE;
                     m_InPacket = false;
 
-                    utf8str Dupa = MakeUTF8("Dupa!");
-                    
-                    TVector<unsigned char> OutBuffer = CGenericS2CPacket::Serialize(S2CKICK, &Dupa);
-                    for (unsigned int i = 0; i < OutBuffer.size(); i++)
-                        printf("%02X ", OutBuffer[i]);
-                    printf("\n");
+                    SendToClient(CGenericS2CPacket::Serialize(S2CKICK, &MakeUTF8("Bye!")));
                 }
             }
         }
@@ -97,4 +92,9 @@ CClientConnection::~CClientConnection(void)
 {
     // memory leak / todo: delete packet if necessary
     delete [] m_Buffer;
+}
+
+void CClientConnection::SendToClient(TVector<unsigned char> Buffer)
+{
+    send(m_Socket, &Buffer[0], Buffer.size(), 0);
 }

src/ClientConnection.h

@@ -23,6 +23,8 @@ namespace umcs {
         CGenericC2SPacket *m_CurrentPacket;
         bool m_InPacket;
         CClient *m_Client;
+
+        void SendToClient(TVector<unsigned char>Bufer);
     protected:
         TSocket m_Socket;
         EClientConnectionState m_State;