37 lines
801 B
V
37 lines
801 B
V
module metrics
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[params]
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pub struct Metric {
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name string [required]
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labels [][2]string
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}
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[inline]
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fn join_two_array(arr [2]string) string {
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return arr[0] + '=' + arr[1]
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}
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pub fn (m &Metric) str() string {
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if m.labels.len == 0 {
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return m.name
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}
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return '$m.name{${m.labels.map(join_two_array(it)).join(',')}}'
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}
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pub interface MetricsCollector {
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counter_increment(metric Metric)
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counter_get(metric Metric) ?u64
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counters() []Metric
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histogram_record(value f64, metric Metric)
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histogram_get(metric Metric) ?[]f64
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gauge_add(value f64, metric Metric)
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gauge_sub(value f64, metric Metric)
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gauge_set(value f64, metric Metric)
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gauge_get(metric Metric) ?f64
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mut:
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counter_register(value u64, metric Metric)
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histogram_register(metric Metric)
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gauge_register(value f64, metric Metric)
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}
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