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messages.go
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/
messages.go
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package main
import (
"context"
"github.com/ergo-services/ergo/etf"
"github.com/fxamacker/cbor/v2"
log "github.com/sirupsen/logrus"
)
func (s *Subscription) handleMessagesLoop(ctx context.Context) {
t := s.actor.Entity.Topic.String()
messages := s.actor.Entity.Messages
log.Debugf("Starting subscription message handling loop for topic: %s", t)
log.Debugf("Reading messages from: %v", messages)
ctx, cancel := context.WithCancel(ctx)
defer cancel()
for {
select {
case <-ctx.Done():
log.Infof("Context for %s closed.", t)
return
default:
message, ok := <-messages
if !ok {
log.Infof("Messages channel for %s closed.", t)
return
}
log.Debugf("subscriptionHandleMessagesLoop: received message: %v", message)
// Marshal the message and send it to the owner
msgCBOR, err := cbor.Marshal(message)
if err != nil {
log.Errorf("Error marshaling message: %s", err)
continue
}
// Send message as JSON to owner
s.deliverMessage(msgCBOR)
}
}
}
func (s *Subscription) deliverMessage(data []byte) error {
log.Debugf("Delivering message: %s to owner: %s", data, s.owner)
err := s.sp.Process.Send(s.owner, etf.Term(data))
if err != nil {
log.Error(err)
}
return nil
}