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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//! Per-session statistics exposed to the WebTransport API consumer.
//!
//! Limited to the members of [`WebTransportDatagramStats`], which describe
//! per-session datagram queue behaviour and so cannot be derived from the
//! connection-level counters in [`neqo_transport::Stats`]. Everything else
//! `getStats()` reports is scoped to the underlying connection, and is only
//! exposed at all when that connection is dedicated to a single session.
//!
//! [`WebTransportDatagramStats`]: https://w3c.github.io/webtransport#dictdef-webtransportdatagramstats
/// Statistics for a single `WebTransport` session.
///
/// These are specific to `WebTransport`; the other extended CONNECT protocols
/// have no use for them and do not track them.
#[expect(
clippy::module_name_repetitions,
reason = "stats::SessionStats is clearer than stats::Session"
)]
#[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
pub struct SessionStats {
/// Outgoing datagrams that expired before being sent.
///
/// Currently always zero; populated once datagram expiry is wired up.
pub datagrams_expired_outgoing: u64,
}