public void WriteTo(TextWriter tw)
{
tw.Write("# TYPE ");
tw.Write(this.Name);
tw.Write(' ');
tw.Write(this.typeName);
tw.Write('\n');
tw.Write(this.Name);
tw.Write(' ');
tw.Write(this.Value);
tw.Write('\n');
foreach (var item in this.instances)
{
tw.Write(this.Name);
tw.Write("{i=\"");
tw.Write(Metrics.EscapeInstanceName(item.Key));
tw.Write("\"} ");
tw.Write(item.Value);
tw.Write('\n');
}
}
public void WriteTo(TextWriter tw, string instance)
{
var now = DateTime.UtcNow;
double count;
double sum;
var values = new List <(double quantile, double value)>(this.objectives.Count);
lock (this._bufLock)
{
lock (this._lock)
{
// Swap bufs even if hotBuf is empty to set new hotBufExpTime.
this.SwapBufs(now);
this.FlushColdBuf();
count = this.count;
sum = this.sum;
for (var i = 0; i < this.sortedObjectives.Length; i++)
{
var quantile = this.sortedObjectives[i];
var value = this.headStream.Count == 0 ? double.NaN : this.headStream.Query(quantile);
values.Add((quantile, value));
}
}
}
// write the sum
tw.Write(this.parentName);
if (instance == null)
{
tw.Write("_sum ");
}
else
{
tw.Write("_sum{i=\"");
tw.Write(Metrics.EscapeInstanceName(instance));
tw.Write("\"} ");
}
tw.Write(sum);
tw.Write('\n');
// write the count
tw.Write(this.parentName);
if (instance == null)
{
tw.Write("_count ");
}
else
{
tw.Write("_count{i=\"");
tw.Write(Metrics.EscapeInstanceName(instance));
tw.Write("\"} ");
}
tw.Write(count);
tw.Write('\n');
// write the quantiles for this instance
for (var i = 0; i < values.Count; i++)
{
tw.Write(this.parentName);
if (instance == null)
{
tw.Write("{");
}
else
{
tw.Write("{i=\"");
tw.Write(Metrics.EscapeInstanceName(instance));
tw.Write(",");
}
tw.Write("quantile=\"");
tw.Write(values[i].quantile);
tw.Write("\"} ");
tw.Write(values[i].value);
tw.Write('\n');
}
}
internal void WriteTo(TextWriter tw, string metric, string instance)
{
if (instance == null)
{
tw.Write(metric);
tw.Write("_sum ");
tw.Write(this.sum.Value);
tw.Write('\n');
tw.Write(metric);
tw.Write("_count ");
tw.Write(this.count.Value);
tw.Write('\n');
for (var i = 0; i < this.bucketIntervals.Length; i++)
{
tw.Write(metric);
tw.Write("_bucket{le=\"");
tw.Write(this.bucketIntervals[i]);
tw.Write("\"} ");
tw.Write(this.values[i].Value);
tw.Write('\n');
}
tw.Write(metric);
tw.Write("_bucket{le=\"+Inf\"} ");
tw.Write(this.values[this.bucketIntervals.Length].Value);
tw.Write('\n');
}
else
{
tw.Write(metric);
tw.Write("_sum{i=\"");
tw.Write(Metrics.EscapeInstanceName(instance));
tw.Write("\"} ");
tw.Write(this.sum.Value);
tw.Write('\n');
tw.Write(metric);
tw.Write("_count{i=\"");
tw.Write(Metrics.EscapeInstanceName(instance));
tw.Write("\"} ");
tw.Write(this.count.Value);
tw.Write('\n');
for (var i = 0; i < this.bucketIntervals.Length; i++)
{
tw.Write(metric);
tw.Write("_bucket{i=\"");
tw.Write(Metrics.EscapeInstanceName(instance));
tw.Write("\",le=\"");
tw.Write(this.bucketIntervals[i]);
tw.Write("\"} ");
tw.Write(this.values[i].Value);
tw.Write('\n');
}
tw.Write(metric);
tw.Write("_bucket{i=\"");
tw.Write(Metrics.EscapeInstanceName(instance));
tw.Write("\",le=\"+Inf\"} ");
tw.Write(this.values[this.bucketIntervals.Length].Value);
tw.Write('\n');
}
}
