Trait tower_http::trace::OnResponse

pub trait OnResponse<B> {
    // Required method
    fn on_response(self, response: &Response<B>, latency: Duration, span: &Span);
}

Expand description

Trait used to tell Trace what to do when a response has been produced.

See the module docs for details on exactly when the on_response callback is called.

Required Methods§

Do the thing.

latency is the duration since the request was received.

span is the tracing Span, corresponding to this request, produced by the closure passed to TraceLayer::make_span_with. It can be used to record field values that weren’t known when the span was created.