private static async Task GetAsHumanReadable(IOwinResponse owinResponse, MetricsConfig config)
{
var report = new StringReporter();
report.RunReport(config.Registry, config.HealthStatus);
owinResponse.ContentType = "text/plain";
await owinResponse.WriteAsync(report.Result);
}
static Metric()
{
globalContext = new DefaultMetricsContext(GetGlobalContextName());
if (MetricsConfig.GlobalyDisabledMetrics)
{
globalContext.CompletelyDisableMetrics();
log.Info(() => "Metrics: Metrics.NET Library is completely disabled. Set Metrics.CompetelyDisableMetrics to false to re-enable.");
}
config = new MetricsConfig(globalContext);
config.ApplySettingsFromConfigFile();
}
/// <summary>
/// Register application level, CLR related performance counters as Gauge metrics.
/// This includes: Mb in all heaps, time in GC, exceptions per sec, Threads etc.
/// Note: The Performance Counters API can hang and cause other potential issues.
/// If you're experiencing any issues, consider not using this configuration method.
/// </summary>
public static MetricsConfig WithAppCounters(this MetricsConfig config, string context = DefaultApplicationCountersContext)
{
config.WithConfigExtension((ctx, hs) => PerformanceCounters.RegisterAppCounters(ctx.Context(context)));
return(config);
}
/// <summary>
/// Register all pre-defined performance counters as Gauge metrics.
/// This includes System Counters, CLR Global Counters and CLR App Counters.
/// Note: The Performance Counters API can hang and cause other potential issues.
/// If you're experiencing any issues, consider not using this configuration method.
/// </summary>
public static MetricsConfig WithAllCounters(this MetricsConfig config, string systemContext = DefaultMachineCountersContext,
string applicationContext = DefaultApplicationCountersContext)
{
return(config.WithSystemCounters(systemContext)
.WithAppCounters(applicationContext));
}
private static async Task GetHealthStatus(IOwinResponse owinResponse, MetricsConfig config)
{
var status = config.HealthStatus();
var content = HealthCheckSerializer.Serialize(status);
owinResponse.ContentType = "application/json";
owinResponse.StatusCode = (int)(status.IsHealty ? HttpStatusCode.OK : HttpStatusCode.InternalServerError);
await owinResponse.WriteAsync(content);
}
private static async Task GetJsonContent(IOwinResponse owinResponse, MetricsConfig config)
{
var content = RegistrySerializer.GetAsJson(config.Registry);
owinResponse.ContentType = "text/json";
await owinResponse.WriteAsync(content);
}
/// <summary>
/// Register all pre-defined performance counters as Gauge metrics.
/// This includes System Counters, CLR Global Counters and CLR App Counters.
/// </summary>
public static MetricsConfig WithAllCounters(this MetricsConfig config, string systemContext = "Machine", string applicationContext = "Application")
{
return(config.WithSystemCounters(systemContext)
.WithCLRGlobalCounters(systemContext)
.WithCLRAppCounters(applicationContext));
}
/// <summary>
/// Register global, CLR related performance counters as Gauge metrics.
/// This includes: total .NET Mb in all heaps and total .NET time spent in GC
/// </summary>
public static MetricsConfig WithCLRGlobalCounters(this MetricsConfig config, string context)
{
config.WithConfigExtension((ctx, hs) => PerformanceCounters.RegisterCLRGlobalCounters(ctx.Context(context)));
return(config);
}
