public static MiddlwareFunc RecordRequestFunc(IStatisticsRecorder recorder)
{
return
(next =>
async env =>
{
var context = new OwinContext(env);
var request = context.Request;
var stopwatch = Stopwatch.StartNew();
try
{
await next(env);
}
finally
{
var capturedAction = context.GetCapturedAction();
var route = capturedAction?.RouteTemplate ??
(request.Path.HasValue ? request.Path.Value : null);
var time = stopwatch.Elapsed;
recorder.RecordAction("request", request.Method, context.Response.StatusCode, time, route);
}
});
}
public static IAppBuilder RecordRequest(this IAppBuilder app, IStatisticsRecorder recorder)
{
app.Use(RecordRequestFunc(recorder));
return(app);
}
public MetricsWorker(IStatisticsRecorder statisticsRecorder, ISystemMetricsProvider systemMetricsProvider, ILog log)
{
this.statisticsRecorder = statisticsRecorder;
this.systemMetricsProvider = systemMetricsProvider;
this.log = log;
}
