mirror of
https://github.com/PostHog/posthog.git
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41 lines
920 B
Go
41 lines
920 B
Go
package main
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import (
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"log"
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"time"
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"github.com/hashicorp/golang-lru/v2/expirable"
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)
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const (
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COUNTER_TTL = time.Second * 60
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)
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type Stats struct {
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Store map[string]*expirable.LRU[string, string]
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GlobalStore *expirable.LRU[string, string]
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Counter *SlidingWindowCounter
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}
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func newStatsKeeper() *Stats {
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return &Stats{
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Store: make(map[string]*expirable.LRU[string, string]),
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GlobalStore: expirable.NewLRU[string, string](0, nil, COUNTER_TTL),
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Counter: NewSlidingWindowCounter(COUNTER_TTL),
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}
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}
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func (ts *Stats) keepStats(statsChan chan PostHogEvent) {
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log.Println("starting stats keeper...")
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for event := range statsChan {
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ts.Counter.Increment()
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token := event.Token
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if _, ok := ts.Store[token]; !ok {
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ts.Store[token] = expirable.NewLRU[string, string](0, nil, COUNTER_TTL)
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}
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ts.Store[token].Add(event.DistinctId, "1")
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ts.GlobalStore.Add(event.DistinctId, "1")
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}
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}
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