c6aac11cbf
* feat(backend): refactored heuristics service * feat(backend): refactored db service (moved several events to heuristics)
64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
package heuristics
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import (
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"log"
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"time"
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"openreplay/backend/internal/config/heuristics"
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"openreplay/backend/internal/service"
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"openreplay/backend/pkg/queue/types"
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"openreplay/backend/pkg/sessions"
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)
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type heuristicsImpl struct {
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cfg *heuristics.Config
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producer types.Producer
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consumer types.Consumer
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events sessions.EventBuilder
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}
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func New(cfg *heuristics.Config, p types.Producer, c types.Consumer, e sessions.EventBuilder) service.Interface {
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s := &heuristicsImpl{
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cfg: cfg,
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producer: p,
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consumer: c,
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events: e,
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}
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go s.run()
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return s
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}
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func (h *heuristicsImpl) run() {
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tick := time.Tick(10 * time.Second)
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for {
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select {
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case evt := <-h.events.Events():
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if err := h.producer.Produce(h.cfg.TopicAnalytics, evt.SessionID(), evt.Encode()); err != nil {
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log.Printf("can't send new event to queue: %s", err)
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}
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case <-tick:
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h.producer.Flush(h.cfg.ProducerTimeout)
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h.consumer.Commit()
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case msg := <-h.consumer.Rebalanced():
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log.Println(msg)
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default:
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if err := h.consumer.ConsumeNext(); err != nil {
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log.Fatalf("Error on consuming: %v", err)
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}
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}
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}
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}
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func (h *heuristicsImpl) Stop() {
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// Stop event builder and flush all events
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log.Println("stopping heuristics service")
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h.events.Stop()
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for evt := range h.events.Events() {
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if err := h.producer.Produce(h.cfg.TopicAnalytics, evt.SessionID(), evt.Encode()); err != nil {
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log.Printf("can't send new event to queue: %s", err)
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}
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}
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h.producer.Close(h.cfg.ProducerTimeout)
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h.consumer.Commit()
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h.consumer.Close()
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}
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