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receive_policy must provide an invalid_msg_do_what method

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This commit is contained in:
Kjistóf 2016-12-05 12:57:57 +01:00
parent e1f42bf31d
commit 3faabb1e4e
3 changed files with 14 additions and 2 deletions
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2
chat_networking.hpp
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@ -171,6 +171,8 @@ namespace chat
receive_policy::logout_do_what receive_policy::logout_do_what
(chat_message(message::LOGOUT, content)); (chat_message(message::LOGOUT, content));
break; break;
default:
receive_policy::invalid_msg_do_what(msg);
} }
for (auto& fun : _subscriptions) // notify subscribers for (auto& fun : _subscriptions) // notify subscribers

9
check_policy.hpp
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@ -10,7 +10,8 @@
* - static void handshake_do_what(chat_message) * - static void handshake_do_what(chat_message)
* - static void serverdirection_do_what(chat_message) * - static void serverdirection_do_what(chat_message)
* - static void login_do_what(chat_message) * - static void login_do_what(chat_message)
* - static void logout_do_what(chat_message) */ * - static void logout_do_what(chat_message)
* - static void invalid_msg_do_what(chat_message) */
template <class PolicyCandidate, typename = void> template <class PolicyCandidate, typename = void>
struct is_valid_receive_policy : std::false_type {}; struct is_valid_receive_policy : std::false_type {};
@ -48,6 +49,12 @@ struct is_valid_receive_policy<
::logout_do_what(std::declval<chat::chat_message>())), ::logout_do_what(std::declval<chat::chat_message>())),
void void
>::value >::value
&&
std::is_same<
decltype(PolicyCandidate
::invalid_msg_do_what(std::declval<chat::chat_message>())),
void
>::value
>::type> >::type>
: std::true_type {}; : std::true_type {};

5
commandline_chat.cpp
View File

@ -1,5 +1,6 @@
#include <iostream> #include <iostream>
#include <thread> #include <thread>
#include <stdexcept>
#include "chat_networking.hpp" #include "chat_networking.hpp"
@ -20,6 +21,9 @@ struct receive_policy_stdout
static void logout_do_what(const chat::chat_message& msg) static void logout_do_what(const chat::chat_message& msg)
{ std::cout << msg.get_content() << " kilépett.\n"; } { std::cout << msg.get_content() << " kilépett.\n"; }
static void invalid_msg_do_what(const chat::chat_message& msg)
{ throw std::runtime_error("Invalid message received!"); }
}; };
struct send_policy_stdout struct send_policy_stdout
@ -45,7 +49,6 @@ int main()
chat::client_network_manager<receive_policy_stdout, send_policy_stdout> cnm(ios, epit, "BATMAN"); chat::client_network_manager<receive_policy_stdout, send_policy_stdout> cnm(ios, epit, "BATMAN");
std::thread t([&ios]{ ios.run(); }); std::thread t([&ios]{ ios.run(); });
std::string input; std::string input;
while (true) while (true)
{ {