massakam commented on a change in pull request #200:
URL: https://github.com/apache/pulsar-client-node/pull/200#discussion_r825685738



##########
File path: src/Consumer.cc
##########
@@ -79,144 +81,131 @@ void MessageListener(pulsar_consumer_t *cConsumer, 
pulsar_message_t *cMessage, v
   listenerCallback->callback.Release();
 }
 
-void Consumer::SetCConsumer(std::shared_ptr<CConsumerWrapper> cConsumer) { 
this->wrapper = cConsumer; }
-void Consumer::SetListenerCallback(ListenerCallback *listener) {
+void Consumer::SetCConsumer(std::shared_ptr<pulsar_consumer_t> cConsumer) { 
this->cConsumer = cConsumer; }
+void Consumer::SetListenerCallback(MessageListenerCallback *listener) {
   if (listener) {
+    // Pass consumer as argument
+    listener->consumer = this;
+  }
+
+  if (this->listener == nullptr) {
     // Maintain reference to consumer, so it won't get garbage collected
     // since, when we have a listener, we don't have to maintain reference to 
consumer (in js code)
     this->Ref();

Review comment:
       Is it correct that the reference counter is incremented even if the user 
does not set the message listener?




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