Hello all,
Hoping someone can shed some light on the following!
I am using the example provided with the documentation:
object WebSocketClient extends App {
implicit val system = ActorSystem("test")
implicit val fm = ActorMaterializer()
import system.dispatcher
val incoming: Sink[Message, Future[Done]] =
Sink.foreach[Message] {
case message: TextMessage.Strict =>
println(message.text)
}
val outgoing = Source.single(TextMessage(""))
val webSocketFlow =
Http().webSocketClientFlow(WebSocketRequest("ws://localhost:9001/stats"))
val (upgradeResponse, closed) = outgoing
.viaMat(webSocketFlow)(Keep.right)
.toMat(incoming)(Keep.both)
.run()
val connected = upgradeResponse.flatMap { upgrade =>
if (upgrade.response.status == StatusCodes.OK)
Future.successful(Done)
else if (upgrade.response.status == StatusCodes.SwitchingProtocols)
Future.successful(Done)
else
throw new RuntimeException(s"Connection failed:
${upgrade.response.status}")
}
connected.onComplete(println)
closed.foreach(_ => println("*** closed ***"))
}
The web socket client seems to close the http connection after about 6
seconds. Any way to make the connection stay open? The server I am using
just publishes stats every second, continuously.
Server log:
[DEBUG] [03/03/2016 08:52:30.343]
[websockets-akka.actor.default-dispatcher-3]
[akka://websockets/system/IO-TCP/selectors/$a/0] New connection accepted
[DEBUG] [03/03/2016 08:52:36.534]
[websockets-akka.actor.default-dispatcher-2]
[akka://websockets/system/IO-TCP/selectors/$a/1] Closing connection due to
IO error java.io.IOException: Broken pipe
Cheers,
Filipp
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