61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
package events
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import (
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"context"
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"log"
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"strings"
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"github.com/OktopUSP/oktopus/backend/services/mtp/adapter/internal/events/handler"
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"github.com/OktopUSP/oktopus/backend/services/mtp/adapter/internal/nats"
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"github.com/nats-io/nats.go/jetstream"
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)
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func StartEventsListener(ctx context.Context, js jetstream.JetStream, h handler.Handler) {
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events := []string{
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nats.MQTT_STREAM_NAME,
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nats.WS_STREAM_NAME,
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nats.STOMP_STREAM_NAME,
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nats.LORA_STREAM_NAME,
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nats.OPC_STREAM_NAME,
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}
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for _, event := range events {
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go func() {
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consumer, err := js.Consumer(ctx, event, event)
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if err != nil {
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log.Fatalf("Failed to get consumer: %v", err)
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}
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messages, err := consumer.Messages()
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if err != nil {
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log.Fatalf("Failed to get consumer messages: %v", err)
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}
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defer messages.Stop()
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for {
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msg, err := messages.Next()
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if err != nil {
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log.Println("Error to get next message:", err)
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continue
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}
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data := msg.Data()
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log.Printf("Received message, subject: %s", msg.Subject())
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subject := strings.Split(msg.Subject(), ".")
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msgType := subject[len(subject)-1]
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device := subject[len(subject)-2]
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switch msgType {
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case "status":
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h.HandleDeviceStatus(device, msg.Subject(), data, event, func() { msg.Ack(); log.Println("Acked msg") })
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case "info":
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h.HandleDeviceInfo(device, msg.Subject(), data, event, func() { msg.Ack(); log.Println("Acked msg") })
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default:
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//ignoreMsg(msg.Subject(), "status", msg.Data())
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}
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}
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}()
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}
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}
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