websockets: Count pings from server as activity for idle_timeout

If the stream is receiving control packets like ping, don't count it as idle. This means you can enable `timeout_opt.keep_alive_ping` on only one side to get heartbeat. Addresses issue boostorg#2716
xim · Oct 2, 2023 · ae5c1fe · ae5c1fe
1 parent 45d4f7f
commit ae5c1fe
Showing 1 changed file with 4 additions and 8 deletions.
diff --git a/include/boost/beast/websocket/impl/stream_impl.hpp b/include/boost/beast/websocket/impl/stream_impl.hpp
@@ -439,12 +439,8 @@ struct stream<NextLayer, deflateSupported>::impl_type
             if(timeout_opt.idle_timeout != none())
             {
                 idle_counter = 0;
-                if(timeout_opt.keep_alive_pings)
-                    timer.expires_after(
-                        timeout_opt.idle_timeout / 2);
-                else
-                    timer.expires_after(
-                        timeout_opt.idle_timeout);
+                timer.expires_after(
+                    timeout_opt.idle_timeout / 2);
 
                 BOOST_ASIO_HANDLER_LOCATION((
                     __FILE__, __LINE__,
@@ -569,9 +565,9 @@ struct stream<NextLayer, deflateSupported>::impl_type
                 if(impl.timeout_opt.idle_timeout == none())
                     return;
 
-                if( impl.timeout_opt.keep_alive_pings &&
-                    impl.idle_counter < 1)
+                if( impl.idle_counter < 1 )
                 {
+                    if( impl.timeout_opt.keep_alive_pings )
                     {
                         BOOST_ASIO_HANDLER_LOCATION((
                             __FILE__, __LINE__,