fn create_resumption_token()

in neqo-transport/src/connection/mod.rs [652:690]

• 31 lines of code
• 9 McCabe index (conditional complexity)

    fn create_resumption_token(&mut self, now: Instant) {
        if self.role == Role::Server || self.state < State::Connected {
            return;
        }

        qtrace!(
            "[{self}] Maybe create resumption token: {} {}",
            self.crypto.has_resumption_token(),
            self.new_token.has_token()
        );

        while self.crypto.has_resumption_token() && self.new_token.has_token() {
            let token = self.make_resumption_token();
            self.events.client_resumption_token(token);
        }

        // If we have a resumption ticket check or set a timer.
        if self.crypto.has_resumption_token() {
            let arm = if let Some(expiration_time) = self.release_resumption_token_timer {
                if expiration_time <= now {
                    let token = self.make_resumption_token();
                    self.events.client_resumption_token(token);
                    self.release_resumption_token_timer = None;

                    // This means that we release one session ticket every 3 PTOs
                    // if no NEW_TOKEN frame is received.
                    self.crypto.has_resumption_token()
                } else {
                    false
                }
            } else {
                true
            };

            if arm {
                self.release_resumption_token_timer = Some(now + 3 * self.pto());
            }
        }
    }