From 7eb1191a1d9c14775b4c498cbc4c9eb5e9b98f37 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kjist=C3=B3f?= <mrtoth@strongds.hu>
Date: Sat, 3 Dec 2016 23:27:36 +0100
Subject: [PATCH] completed TODO: handshaking messages are now handled by
 receive policy

---
 chat_networking.hpp | 13 +++++++------
 check_policy.hpp    |  9 ++++++++-
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/chat_networking.hpp b/chat_networking.hpp
index 276255c..0751c25 100644
--- a/chat_networking.hpp
+++ b/chat_networking.hpp
@@ -22,7 +22,8 @@ namespace chat
         static void message_do_what(chat_message msg)
         { std::cout << msg << '\n'; }
 
-        // TODO: handshake_policy
+        static void handshake_do_what(chat_message msg)
+        { message_do_what(msg); }
     };
 
 
@@ -109,11 +110,11 @@ namespace chat
             _os << chat_message(message::PASSW, _login);
             asio::write(_socket, _osb);     // handshake is handled synchronously
 
-            // TODO: do something with these couts (decide whether to display this or not)
-            std::cout << receive_message_sync() << '\n';
-            std::cout << receive_message_sync() << '\n';
-            std::cout << receive_message_sync() << '\n';
-            std::cout << receive_message_sync() << '\n';
+            std::string data;
+            for (int i = 0; i < 4; ++i)     // hello + 3 responses for messages above
+                data += receive_message_sync() += '\n';
+
+            receive_policy::handshake_do_what(chat_message(message::SERVER_DIRECTION, data));
 
             receive();                      // then flow goes to receive-loop
         }
diff --git a/check_policy.hpp b/check_policy.hpp
index 201c2ad..cf112ac 100644
--- a/check_policy.hpp
+++ b/check_policy.hpp
@@ -6,7 +6,8 @@
 
 /* SFINAE compile-type checker for receive policies (as defined in chat_networking.hpp)
  * it checks whether PolicyCandidate supplies all of the following methods:
- *      - void message_do_what(chat_message)                                         */
+ *      - void message_do_what(chat_message)
+ *      - void handshake_do_what(chat_message)                                       */
 template <class PolicyCandidate, typename = void>
 struct is_valid_policy : std::false_type {};
 
@@ -20,5 +21,11 @@ struct is_valid_policy<
                                  ::message_do_what(std::declval<chat::chat_message>())),
                         void
                 >::value
+                &&
+                std::is_same<
+                        decltype(PolicyCandidate
+                                 ::handshake_do_what(std::declval<chat::chat_message>())),
+                        void
+                >::value
         >::type>
 : std::true_type {};
\ No newline at end of file