Examples with PostRequestMetricsSupport io.helidon.metrics.serviceapi.PostRequestMetricsSupport used on opensource projects

Example 1 with PostRequestMetricsSupport

use of io.helidon.metrics.serviceapi.PostRequestMetricsSupport in project helidon by oracle.

the class MetricsSupport method configureVendorMetrics.

/**
 * Configure vendor metrics on the provided routing. This method is
 * exclusive to {@link #update(io.helidon.webserver.Routing.Rules)} (e.g.
 * you should not use both, as otherwise you would duplicate the metrics)
 *
 * @param routingName name of the routing (may be null)
 * @param rules routing builder or routing rules
 */
@Override
public void configureVendorMetrics(String routingName, Routing.Rules rules) {
    String metricPrefix = metricsNamePrefix(routingName);
    KeyPerformanceIndicatorSupport.Metrics kpiMetrics = KeyPerformanceIndicatorMetricsImpls.get(metricPrefix, metricsSettings.keyPerformanceIndicatorSettings());
    rules.any((req, res) -> {
        KeyPerformanceIndicatorSupport.Context kpiContext = kpiContext(req);
        PostRequestMetricsSupport prms = PostRequestMetricsSupport.create();
        req.context().register(prms);
        kpiContext.requestHandlingStarted(kpiMetrics);
        res.whenSent().thenAccept(r -> postRequestProcessing(prms, req, r, null, kpiContext)).exceptionallyAccept(t -> postRequestProcessing(prms, req, res, t, kpiContext));
        Exception exception = null;
        try {
            req.next();
        } catch (Exception e) {
            exception = e;
            throw e;
        } finally {
            // Perform updates which depend on completion of request *handling* (after the server has begun request
            // *processing* but, in the case of async requests, possibly before processing has finished).
            kpiContext.requestHandlingCompleted(exception == null);
        }
    });
}