Can't reconnect to Redis, and it randomly dies... ugh

The pattern of unsubscribe/subscribe seems to segfault, as do reconnect,
etc. This Redis plugin isn't durable.

Source/EventCenterPlugin/Private/EventSourceActor.cpp

@@ -34,6 +34,7 @@ void AEventSourceActor::BeginPlay()
 {
 	Super::BeginPlay();
 
+	GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::Red, "BeginPlay() - 2");
 	UE_LOG(EventSourceLog, Log, TEXT("BeginPlay()"));
 
 	if (redis == nullptr) {
@@ -56,6 +57,16 @@ void AEventSourceActor::Tick(float DeltaTime)
 {
 	Super::Tick(DeltaTime);
 	
+	float time = GetGameTimeSinceCreation();
+
+	if (time - timerLastTime > 15.0) {
+		timerLastTime = time;
+		GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::Red, "seconds elapsed");
+		redis->Unsubscribe(TEXT("second"));
+		redis->Subscribe(TEXT("second"));
+	}
+
+
 	// NB: Handled by RedisObject internal delegate
 	//redis->Tick(DeltaTime);
 }

Source/EventCenterPlugin/Public/EventSourceActor.h

@@ -77,6 +77,9 @@ private:
 	UFUNCTION()
 	void InternalSubscribeCallback(FString Channel, FString Message);
 
+	// For a timer calculation.
+	float timerLastTime = 0.0f;
+
 public:
 	// Called every frame
 	virtual void Tick(float DeltaTime) override;