Method monitorEndOfRequest

lib/server.js:163–183

()

        });

        const monitorEndOfRequest = () => {
            if (req.serverAccessLog) {
                // eslint-disable-next-line no-param-reassign
                req.serverAccessLog.onCloseEndTime = process.hrtime.bigint();
                logServerAccess(req, res);
            }

            const responseTimeInNs = Number(process.hrtime.bigint() - requestStartTime);
            const labels = {
                method: req.method,
                code: res.statusCode,
            };
            if (req.apiMethod) {
                labels.action = req.apiMethod;
            }
            monitoringClient.httpRequestsTotal.labels(labels).inc();
            monitoringClient.httpRequestDurationSeconds
                .labels(labels)
                .observe(responseTimeInNs / 1e9);
            monitoringClient.httpActiveRequests.dec();
        };
        res.on('close', monitorEndOfRequest);

        // use proxied hostname if needed