public MetricsModule()
: base(Config.ModulePath ?? "/")
{
if (string.IsNullOrEmpty(Config.ModulePath))
{
return;
}
if (Config.ModuleConfigAction != null)
{
Config.ModuleConfigAction(this);
}
var noCacheHeaders = new[] {
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.AsText(FlotWebApp.GetFlotApp(), "text/html"));
}
else
{
return(Response.AsRedirect(this.Request.Url.ToString() + "/"));
}
};
Get["/text"] = _ => Response.AsText(StringReporter.RenderMetrics(Config.MetricsContext.DataProvider.CurrentMetricsData, Config.HealthStatus))
.WithHeaders(noCacheHeaders);
Get["/json"] = _ => Response.AsText(OldJsonBuilder.BuildJson(Config.MetricsContext.DataProvider.CurrentMetricsData, Clock.Default), "text/json")
.WithHeaders(noCacheHeaders);
Get["/jsonnew"] = _ => Response.AsText(JsonMetrics.Serialize(Config.MetricsContext.DataProvider.CurrentMetricsData), "text/json")
.WithHeaders(noCacheHeaders);
Get["/ping"] = _ => Response.AsText("pong", "text/plain")
.WithHeaders(noCacheHeaders);
Get["/health"] = _ => GetHealthStatus()
.WithHeaders(noCacheHeaders);
}
private void WriteFullJsonMetrics(HttpListenerContext context, MetricsDataProvider metricsDataProvider)
{
context.Response.Headers.Add("Access-Control-Allow-Origin", "*");
context.Response.Headers.Add("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
context.Response.ContentType = "application/json";
context.Response.StatusCode = 200;
context.Response.StatusDescription = "OK";
AddNoCacheHeaders(context.Response);
var json = JsonMetrics.Serialize(metricsDataProvider.CurrentMetricsData);
using (var writer = new StreamWriter(context.Response.OutputStream))
{
writer.Write(json);
}
context.Response.Close();
}
