Use Akka streams and temporarily disable frontend

1 files changed, 20 insertions, 0 deletions

diff --git a/mavigator-uav/src/main/scala/mavigator/uav/Multiplexer.scala b/mavigator-uav/src/main/scala/mavigator/uav/Multiplexer.scala
new file mode 100644
index 0000000..5e48ea1
--- /dev/null
+++ b/mavigator-uav/src/main/scala/mavigator/uav/Multiplexer.scala
@@ -0,0 +1,20 @@
+package mavigator
+package uav
+
+import akka.stream.scaladsl._
+import akka.stream._
+import org.reactivestreams._
+
+private[uav] class Multiplexer[In, Out](service: Flow[In, Out, _])(implicit materializer: Materializer) {
+
+  private val endpoint: Flow[Out, In, (Publisher[Out], Subscriber[In])] = Flow.fromSinkAndSourceMat(
+    Sink.asPublisher[Out](fanout = true),
+    Source.asSubscriber[In])((pub, sub) => (pub, sub))
+
+  private lazy val (publisher, subscriber) = (service.joinMat(endpoint)(Keep.right)).run()
+
+  def connect(client: Flow[Out, In, _]) = {
+    Source.fromPublisher(publisher).via(client).to(Sink.ignore).run()
+  }
+
+}