public async Task ExposeText(TextWriter writer, ExposeOptions options)
{
var labelList = BuildLabels(labelNames, labels);
if (labelList.Length == 0)
{
await writer.WriteLineAsync($"# HELP {name} {help}");
await writer.WriteLineAsync($"# TYPE {name} histogram");
}
long bucketsTotal = 0L;
foreach (var bucket in buckets)
{
bucketsTotal += bucket.ItemCount;
string labelforBucket = BuildHistogramLabels(labelList, bucket.Max, bucketsTotal);
await writer.WriteLineAsync($"{name}_bucket{labelforBucket}");
}
await writer.WriteLineAsync($"{name}_sum{labelList} {this.sum.Value.ToString(CultureInfo.InvariantCulture)}");
await writer.WriteLineAsync($"{name}_count{labelList} {bucketsTotal}");
}
public Task ExposeText(TextWriter writer, ExposeOptions options)
{
#if !NET452
return(Task.CompletedTask);
#else
return(Task.FromResult <object>(null));
#endif
}
public async Task ExposeText(TextWriter writer, ExposeOptions options)
{
if (!children.IsEmpty)
{
await writer.WriteLineAsync($"# HELP {name} {help}");
await writer.WriteLineAsync($"# TYPE {name} histogram");
foreach (var child in children)
{
await child.Value.ExposeText(writer, options);
}
}
}
public async Task Expose(Stream output, ExposeOptions options)
{
// collect standard exporter metrics
if (coreclrExporter != null)
{
coreclrExporter.Collect();
}
using (var writer = new StreamWriter(output, PrometheusConventions.PrometheusEncoding, 4096, true))
{
writer.NewLine = "\n";
foreach (var exposable in exposables)
{
await exposable.Value.ExposeText(writer, options);
await writer.WriteLineAsync();
}
}
}
public async Task ExposeText(TextWriter writer, ExposeOptions options)
{
string labelList = BuildLabels(labelNames, labels);
if (labelList.Length == 0)
{
await writer.WriteLineAsync($"# HELP {name} {help}");
await writer.WriteLineAsync($"# TYPE {name} gauge");
}
string epoch;
if (!options.HasFlag(ExposeOptions.NoTimestamp))
{
epoch = $" {DateTimeOffset.Now.ToUnixTimeMilliseconds()}";
}
else
{
epoch = "";
}
await writer.WriteLineAsync($"{name}{labelList} {gauge.Value.ToString(CultureInfo.InvariantCulture)}{epoch}");
}
public async Task Expose(Stream output, ExposeOptions options)
{
await registry.Expose(output, options);
}
