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fix: enable SO_REUSEADDR in native listener for rapid restarts #27

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Merged
oboard merged 1 commit into from
Aug 21, 2026
Merged

fix: enable SO_REUSEADDR in native listener for rapid restarts #27

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10 changes: 9 additions & 1 deletion mocket.native.mbt
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Original file line number Diff line number Diff line change
Expand Up @@ -478,6 +478,14 @@ async fn handle_websocket_request(
}

///|
/// Listen and serve on `address`.
///
/// The native listener enables `SO_REUSEADDR` (`reuse_addr=true`) so that a
/// process can immediately rebind a port that a previous process left in
/// `TIME_WAIT`. On macOS/BSD this has the side effect that a bind to a specific
/// address may "steal" the specific interface from an existing wildcard bind
/// (`0.0.0.0`), and a wildcard bind can bind to the remaining interfaces if a
/// specific-interface bind already exists.
pub async fn listen_ffi(mocket : Mocket, address : String) -> Unit noraise {
let address = normalize_listen_address(address)
let addr = @socket.Addr::parse(address) catch {
Expand All @@ -488,7 +496,7 @@ pub async fn listen_ffi(mocket : Mocket, address : String) -> Unit noraise {
}
let port = addr.port()
register_ws_handler(mocket, port)
let server = @http.Server(addr) catch {
let server = @http.Server(addr, reuse_addr=true) catch {
err => {
println("mocket: failed to listen on \{address}: \{err}")
return
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