33 lines
590 B
Go
33 lines
590 B
Go
package poller
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import "sync/atomic"
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// Metric interface
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type Metric interface {
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IncBusyWorker() uint64
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DecBusyWorker() uint64
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BusyWorkers() uint64
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}
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var _ Metric = (*metric)(nil)
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type metric struct {
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busyWorkers uint64
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}
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// NewMetric for default metric structure
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func NewMetric() Metric {
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return &metric{}
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}
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func (m *metric) IncBusyWorker() uint64 {
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return atomic.AddUint64(&m.busyWorkers, 1)
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}
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func (m *metric) DecBusyWorker() uint64 {
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return atomic.AddUint64(&m.busyWorkers, ^uint64(0))
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}
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func (m *metric) BusyWorkers() uint64 {
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return atomic.LoadUint64(&m.busyWorkers)
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}
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