Stream 如何从未来的onComplete函数。；

我的问题是，获取的实体的数据字节不是ByteString类型，而是Source（SourceShape（StreamUtils$$anon$4.out（2020243329）），它很大（239807字节）。仅使用onComplete函数获取完整的ByteString。但是我需要处理接收到的数据并返回处理后的结果作为响应。我使用wait.ready（s2，Duration.Inf）函数等待s2的完成，但整个程序挂起

akka.0版本是2.6.10

可以从GitHub获得

---------------服务器端---------------------------------------

object HTTPService extends DefaultJsonProtocol with Directives with SprayJsonSupport{
  implicit val config = ConfigFactory.load()
  implicit val system = ActorSystem("PiFlowHTTPService", config)
  implicit val materializer = ActorMaterializer()
  implicit val executionContext = system.dispatcher


  def route(req: HttpRequest): Future[HttpResponse] = req match {
    case HttpRequest(POST, Uri.Path("/test"), headers, entity, protocol) =>{
       val s1 = entity.dataBytes
       val s2 = s1.runReduce((u1, u2) => u1.++(u2))

       s2.onComplete {
          case scala.util.Success(json) => {
            println(json)
            println(json.utf8String)
            //result = Future.successful(HttpResponse(500, entity="Fail!"))
          }
          case scala.util.Failure(ex) => {
            println(ex)
            //result = Future.successful(HttpResponse(500, entity="Fail!"))
          }
          case _ => {
            println("Exception!!!!!!!!!!!!!!!!")
            //result = Future.successful(HttpResponse(500, entity="Fail!"))
          }
        }

      Future.successful(HttpResponse(500, entity="OK!"))
    }
  }

  def run = {

    val ip = InetAddress.getLocalHost.getHostAddress
    println(ip + ":8001 started!!!!")
    Http().bindAndHandleAsync(route, ip, 8001)

  }

}

object HttpClient {

  def main(args: Array[String]): Unit=
  {

    val url = "http://10.31.0.27:8001/test"
    val timeout = 18000

    val requestConfig = RequestConfig.custom()
    .setConnectTimeout(timeout * 1000)
    .setConnectionRequestTimeout(timeout * 1000)
    .setSocketTimeout(timeout * 1000).build()

    import scala.io.Source
    val source = Source.fromFile("E:\\project\\sparktest\\src\\main\\resource\\group.json","UTF-8")

    val json = source.getLines().toArray.mkString("\n")

    val client = HttpClientBuilder.create().setDefaultRequestConfig(requestConfig).build()


    val post: HttpPost = new HttpPost(url)
     post.addHeader("Content-Type", "application/json")
     post.setEntity(new StringEntity(json))



    val response: CloseableHttpResponse = client.execute(post)

    val entity = response.getEntity

    val str = EntityUtils.toString(entity, "UTF-8")
     println ("Code is " + str)

  }


}

----------------客户端----------------------------------------

object HTTPService extends DefaultJsonProtocol with Directives with SprayJsonSupport{
  implicit val config = ConfigFactory.load()
  implicit val system = ActorSystem("PiFlowHTTPService", config)
  implicit val materializer = ActorMaterializer()
  implicit val executionContext = system.dispatcher


  def route(req: HttpRequest): Future[HttpResponse] = req match {
    case HttpRequest(POST, Uri.Path("/test"), headers, entity, protocol) =>{
       val s1 = entity.dataBytes
       val s2 = s1.runReduce((u1, u2) => u1.++(u2))

       s2.onComplete {
          case scala.util.Success(json) => {
            println(json)
            println(json.utf8String)
            //result = Future.successful(HttpResponse(500, entity="Fail!"))
          }
          case scala.util.Failure(ex) => {
            println(ex)
            //result = Future.successful(HttpResponse(500, entity="Fail!"))
          }
          case _ => {
            println("Exception!!!!!!!!!!!!!!!!")
            //result = Future.successful(HttpResponse(500, entity="Fail!"))
          }
        }

      Future.successful(HttpResponse(500, entity="OK!"))
    }
  }

  def run = {

    val ip = InetAddress.getLocalHost.getHostAddress
    println(ip + ":8001 started!!!!")
    Http().bindAndHandleAsync(route, ip, 8001)

  }

}

object HttpClient {

  def main(args: Array[String]): Unit=
  {

    val url = "http://10.31.0.27:8001/test"
    val timeout = 18000

    val requestConfig = RequestConfig.custom()
    .setConnectTimeout(timeout * 1000)
    .setConnectionRequestTimeout(timeout * 1000)
    .setSocketTimeout(timeout * 1000).build()

    import scala.io.Source
    val source = Source.fromFile("E:\\project\\sparktest\\src\\main\\resource\\group.json","UTF-8")

    val json = source.getLines().toArray.mkString("\n")

    val client = HttpClientBuilder.create().setDefaultRequestConfig(requestConfig).build()


    val post: HttpPost = new HttpPost(url)
     post.addHeader("Content-Type", "application/json")
     post.setEntity(new StringEntity(json))



    val response: CloseableHttpResponse = client.execute(post)

    val entity = response.getEntity

    val str = EntityUtils.toString(entity, "UTF-8")
     println ("Code is " + str)

  }


}