Method export_metrics_as_http_response

libs/orbit-essentials/src/metrics.rs:194–219

Exports the metrics in the registry to an HTTP response.

(&self)

    /// Exports the metrics in the registry to an HTTP response.
    pub fn export_metrics_as_http_response(&self) -> HttpResponse {
        let metrics_result = self.export_metrics();

        match metrics_result {
            Ok(metrics) => HttpResponse {
                status_code: 200,
                headers: vec![HeaderField(
                    "Content-Type".to_string(),
                    "text/plain".to_string(),
                )],
                body: metrics,
            },
            Err(err) => {
                print(format!("Error exporting metrics: {err:?}"));

                HttpResponse {
                    status_code: 500,
                    headers: vec![HeaderField(
                        "Content-Type".to_string(),
                        "text/plain".to_string(),
                    )],
                    body: "500 Internal Server Error".as_bytes().to_owned(),
                }
            }
        }
    }
}

/// A trait for application metrics that can be recalculated and updated based on the current state of the application.