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Add timeout while opening connection

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This should hopefully fix an issue where instances would get stuck in a
"Connecting" state after suspending the host machine or maybe just
connecting it to a different wifi. I've not managed to reliably
reproduce the bug, so this may not fix it at all.
This commit is contained in:
Joscha 2023-03-12 16:31:56 +01:00
parent 373a98c26c
commit 768a259f02
3 changed files with 15 additions and 6 deletions
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10
src/conn.rs
View file

@ -30,6 +30,8 @@ pub type WsStream = WebSocketStream<MaybeTlsStream<TcpStream>>;
pub enum Error {
/// The connection is now closed.
ConnectionClosed,
/// The connection was not opened in time.
ConnectionTimedOut,
/// The server didn't reply to one of our commands in time.
CommandTimedOut,
/// The server did something that violated the api specification.
@ -45,6 +47,7 @@ impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::ConnectionClosed => write!(f, "connection closed"),
Self::ConnectionTimedOut => write!(f, "connection did not open in time"),
Self::CommandTimedOut => write!(f, "server did not reply to command in time"),
Self::ProtocolViolation(msg) => write!(f, "{msg}"),
Self::Euph(msg) => write!(f, "{msg}"),
@ -613,7 +616,7 @@ impl Conn {
human: bool,
cookies: Option<HeaderValue>,
timeout: Duration,
) -> tungstenite::Result<(Self, Vec<HeaderValue>)> {
) -> Result<(Self, Vec<HeaderValue>)> {
let human = if human { "?h=1" } else { "" };
let uri = format!("wss://{domain}/room/{room}/ws{human}");
debug!("Connecting to {uri} with cookies: {cookies:?}");
@ -622,7 +625,10 @@ impl Conn {
request.headers_mut().append(header::COOKIE, cookies);
}
let (ws, response) = tokio_tungstenite::connect_async(request).await?;
let (ws, response) =
tokio::time::timeout(timeout, tokio_tungstenite::connect_async(request))
.await
.map_err(|_| Error::ConnectionTimedOut)??;
let (mut parts, _) = response.into_parts();
let cookies_set = match parts.headers.entry(header::SET_COOKIE) {
header::Entry::Occupied(entry) => entry.remove_entry_mult().1.collect(),