comms: add comment about closed connection handling

This commit is contained in:
Sebastien Bourdeauducq 2020-05-02 11:44:10 +08:00
parent 11b58d801d
commit bca2b3fe50

View File

@ -111,7 +111,9 @@ async fn handle_connection(stream: &TcpStream, control: Rc<RefCell<kernel::Contr
Ok(true) => {} Ok(true) => {}
Ok(false) => Ok(false) =>
return Err(Error::UnexpectedPattern), return Err(Error::UnexpectedPattern),
// peer has closed the connection // Peer has closed the connection.
// Closing here is a normal condition so do not reported an error.
// An error is still reported if the connection is unexpectedly closed elsewhere.
Err(smoltcp::Error::Illegal) => Err(smoltcp::Error::Illegal) =>
return Ok(()), return Ok(()),
Err(e) => Err(e) =>