extra trace logging

actix-codec/src/framed_read.rs

@@ -209,6 +209,7 @@ where
             // get a spurious 0 that looks like EOF
             self.buffer.reserve(1);
             if 0 == try_ready!(self.inner.read_buf(&mut self.buffer)) {
+                trace!("read 0 bytes, mark stream as eof");
                 self.eof = true;
             }
 

actix-ioframe/src/dispatcher.rs

@@ -147,6 +147,7 @@ where
                         }
                         Ok(Async::NotReady) => return false,
                         Ok(Async::Ready(None)) => {
+                            log::trace!("Client disconnected");
                             self.dispatch_state = FramedState::Stopping;
                             return true;
                         }