Merge pull request LandSandBoat#6184 from WinterSolstice8/login_keepa…

…lives [login] Add keepalives to TCP sockets
WinterSolstice8 · Aug 28, 2024 · b736713 · b736713
2 parents f6433d0 + cabc8d9
commit b736713
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/src/login/handler_session.cpp b/src/login/handler_session.cpp
@@ -39,6 +39,18 @@ void handler_session::start()
 {
     if (socket_.lowest_layer().is_open())
     {
+        // Enable keepalives for long sessions (view_session in particular)
+        socket_.lowest_layer().set_option(asio::socket_base::keep_alive(true));
+
+        socket_.lowest_layer().set_option(asio::detail::socket_option::integer<IPPROTO_TCP, TCP_KEEPINTVL>(5 * 60)); // interval between keepalive
+        socket_.lowest_layer().set_option(asio::detail::socket_option::integer<IPPROTO_TCP, TCP_KEEPCNT>(10));       // failed keepalives before declaring dead
+
+#ifdef __APPLE__
+        socket_.lowest_layer().set_option(asio::detail::socket_option::integer<IPPROTO_TCP, TCP_KEEPALIVE>(5 * 60)); // secs before keepalive probes
+#else
+        socket_.lowest_layer().set_option(asio::detail::socket_option::integer<IPPROTO_TCP, TCP_KEEPIDLE>(5 * 60)); // secs before keepalive probes
+#endif
+
         do_read();
     }
 }