private static Task WriteJsonMetricsV1(HttpListenerContext context, MetricsDataProvider metricsDataProvider)
{
var json = JsonBuilderV1.BuildJson(metricsDataProvider.CurrentMetricsData);
jsonSize.Update(json.Length / 1024);
return(WriteString(context, json, JsonBuilderV1.MetricsMimeType));
}
private static void WriteJsonMetricsV1(HttpListenerContext context, MetricsDataProvider metricsDataProvider)
{
using (jsonv1Metrics.NewContext())
{
var json = JsonBuilderV1.BuildJson(metricsDataProvider.CurrentMetricsData);
jsonv1Size.Update(json.Length / 1024);
WriteString(context, json, JsonBuilderV1.MetricsMimeType);
}
}
public MetricsModule()
: base(Config.ModulePath ?? "/")
{
if (string.IsNullOrEmpty(Config.ModulePath))
{
return;
}
if (Config.ModuleConfigAction != null)
{
Config.ModuleConfigAction(this);
}
object[] noCacheHeaders =
{
new { Header = "Cache-Control", Value = "no-cache, no-store, must-revalidate" },
new { Header = "Pragma", Value = "no-cache" },
new { Header = "Expires", Value = "0" }
};
Get["/"] = _ =>
{
if (!this.Request.Url.Path.EndsWith("/"))
{
return(Response.AsRedirect(this.Request.Url.ToString() + "/"));
}
var gzip = AcceptsGzip();
var response = Response.FromStream(FlotWebApp.GetAppStream(!gzip), "text/html");
if (gzip)
{
response.WithHeader("Content-Encoding", "gzip");
}
return(response);
};
Get["/text"] = _ => Response.AsText(StringReport.RenderMetrics(Config.DataProvider.CurrentMetricsData, Config.HealthStatus))
.WithHeaders(noCacheHeaders);
Get["/json"] = _ => Response.AsText(JsonBuilderV1.BuildJson(Config.DataProvider.CurrentMetricsData), "text/json")
.WithHeaders(noCacheHeaders);
Get["/v2/json"] = _ => Response.AsText(JsonBuilderV2.BuildJson(Config.DataProvider.CurrentMetricsData), "text/json")
.WithHeaders(noCacheHeaders);
Get["/ping"] = _ => Response.AsText("pong", "text/plain")
.WithHeaders(noCacheHeaders);
Get["/health"] = _ => GetHealthStatus()
.WithHeaders(noCacheHeaders);
}
private static Task GetJsonContent(IDictionary <string, object> environment, MetricsDataProvider dataProvider)
{
var content = JsonBuilderV1.BuildJson(dataProvider.CurrentMetricsData, Clock.Default);
return(WriteResponse(environment, content, "application/json"));
}
private static MetricsEndpointResponse GetJsonV1Response(MetricsData data, Func <HealthStatus> healthStatus, MetricsEndpointRequest request)
{
var json = JsonBuilderV1.BuildJson(data);
return(new MetricsEndpointResponse(json, JsonBuilderV1.MetricsMimeType));
}