Only attempt logout out of session if the session is connected

Author: davidsteiner

crates/hotfix/src/session.rs

@@ -809,7 +809,7 @@ impl<M: FixMessage, S: MessageStore> Session<M, S> {
                     self.logout_and_terminate("internal error").await;
                 }
             }
-        } else {
+        } else if self.state.is_connected() {
             // we are currently outside scheduled session time
             self.initiate_graceful_logout("End of session time").await;
         }

crates/hotfix/src/session/state.rs

@@ -120,6 +120,10 @@ impl SessionState {
         }
     }
 
+    pub fn is_connected(&self) -> bool {
+        self.get_writer().is_some()
+    }
+
     pub fn try_transition_to_awaiting_logout(&mut self) -> bool {
         if matches!(self, SessionState::AwaitingLogout { .. }) {
             debug!("already in awaiting logout state");