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completed TODO: handshaking messages are now handled by receive policy

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This commit is contained in:
Kjistóf 2016-12-03 23:27:36 +01:00
parent e03a3e9aa3
commit 7eb1191a1d
2 changed files with 15 additions and 7 deletions
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13
chat_networking.hpp
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@ -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
}

9
check_policy.hpp
View File

@ -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 {};