feat(connection): expose whether peer settings have been received

src/client.rs

@@ -1432,6 +1432,17 @@ where
         self.inner.take_user_pings().map(PingPong::new)
     }
 
+    /// Returns whether the initial `SETTINGS` frame from the server peer has
+    /// been received and applied.
+    ///
+    /// Until then, [`max_concurrent_send_streams`][Self::max_concurrent_send_streams]
+    /// reflects the locally configured
+    /// [`initial_max_send_streams`][Builder::initial_max_send_streams] rather
+    /// than the server's limit.
+    pub fn has_received_initial_settings(&self) -> bool {
+        self.inner.has_received_remote_initial_settings()
+    }
+
     /// Returns the maximum number of concurrent streams that may be initiated
     /// by this client.
     ///

src/proto/connection.rs

@@ -194,6 +194,12 @@ where
         self.inner.settings.send_settings(settings)
     }
 
+    /// Returns whether the initial SETTINGS frame from the remote peer has
+    /// been received and applied.
+    pub(crate) fn has_received_remote_initial_settings(&self) -> bool {
+        self.inner.settings.has_received_remote_initial_settings()
+    }
+
     /// Returns the maximum number of concurrent streams that may be initiated
     /// by this peer.
     pub(crate) fn max_send_streams(&self) -> usize {

src/proto/settings.rs

@@ -99,6 +99,12 @@ impl Settings {
         }
     }
 
+    /// Returns `true` once the initial SETTINGS frame from the remote peer
+    /// has been received and applied.
+    pub(crate) fn has_received_remote_initial_settings(&self) -> bool {
+        self.has_received_remote_initial_settings
+    }
+
     /// Sets `true` to `self.has_received_remote_initial_settings`.
     /// Returns `true` if this method is called for the first time.
     /// (i.e. it is the initial SETTINGS frame from the remote peer)