what to do on received messages is now handled via template policies

chat_networking.hpp

@@ -15,8 +15,24 @@ namespace chat
     using boost::asio::ip::tcp;
 
 
+    struct receive_policy_stdout
+    {
+        static void message_do_what(chat_message msg)
+        {
+            std::cout << msg << '\n';
+        }
+
+        // TODO: handshake_policy
+    };
+
+
+    /* most ezt így üres template paraméterekkel kell példányosítani,
+     * pl.: client_network_manager<> cnm;
+     * meg lehet oldani úgy, hogy ne kelljen? usingot/typedefet nem enged saját magára */
+    template <class receive_policy = receive_policy_stdout>
     class client_network_manager
     {
+    // TODO: add static assert to check receive_policy
     /* members */
     private:
         asio::io_service& _ios;
@@ -128,7 +144,8 @@ namespace chat
                                  send(chat_message(message::PONG));
                                  break;
                              case byte(message::MESSAGE):
-                                 std::cout << data << '\n';
+                                 chat_message msg(message::MESSAGE, data);
+                                 receive_policy::message_do_what(msg);
                                  break;
                          }