prometheus-cpp/metrics.fbs at master · theidexisted/prometheus-cpp · GitHub

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namespace io.prometheus.client;

table LabelPair {
	name:string;
	value:string;
}

enum MetricType:byte {
  COUNTER    = 0,
  GAUGE      = 1,
  SUMMARY    = 2,
  UNTYPED    = 3,
  HISTOGRAM  = 4
}

table Gauge {
	value:float64;
}

table Counter {
	value:float64;
}

table Quantile {
	quantile:float64;
	value:float64;
}

table Summary {
	sample_count:int64;
	sample_sum:float64;
	quantile:[Quantile];
}

table Untyped {
	value:float64;
}

table Bucket {
	cumulative_count:uint64;
	upper_bound:float64;
}

table Histogram {
	sample_count:uint64;
	sample_sum:float64;
	bucket:[Bucket];
}

table Metric {
	label:[LabelPair];
	gauge:Gauge;
	counter:Counter;
	summary:Summary;
	untyped:Untyped;
	histogram:Histogram;
	timestamp_ms:int64;
}

table MetricFamily {
	name:string;
	help:string;
	type:MetricType;
	metric:[Metric];
}

root_type MetricFamily;