Log your Http request and response into log file with time taken by server to process that request.

AkkaHttpService.scala

import akka.event.LoggingAdapter
import akka.http.scaladsl.Http
import akka.http.scaladsl.model.HttpRequest
import akka.http.scaladsl.server.Directives._
import akka.http.scaladsl.server.Route
import akka.http.scaladsl.server.RouteResult.{Complete, Rejected}
import akka.http.scaladsl.server.directives.{DebuggingDirectives, LoggingMagnet}
import akka.stream.ActorMaterializer

import scala.concurrent.Future

object AkkaHttpService extends Logging {
  
  def start(route: Route)(implicit system: ActorSystem,materializer: ActorMaterializer): Future[Http.ServerBinding] = {
    val clientRouteLogged = DebuggingDirectives.logRequestResult(LoggingMagnet(logResponseTime(_)))(route)
    Http().bindAndHandle(clientRouteLogged, "0.0.0.0", 9000)
  }


  private def logResponseTime(log: LoggingAdapter): HttpRequest => Any => Unit =
    akkaResponseTimeLoggingFunction(log, System.currentTimeMillis())(_)

  private def akkaResponseTimeLoggingFunction(loggingAdapter: LoggingAdapter, requestTimestamp: Long)(req: HttpRequest)(res: Any): Unit =
    res match {
      case Complete(resp) =>
        val responseTimestamp: Long = System.currentTimeMillis()
        val elapsedTime: Long = (responseTimestamp - requestTimestamp)
        warn(s"Request : [$req]")
        warn(s"[total time taken : $elapsedTime milliseconds] [Response : $resp]")
      case Rejected(reason) =>
        warn(s"Rejected Reason: ${reason.mkString(",")}")
    }

}

Can you please attach the working coed , I am getting a lot of error.
Thanks.

@akashshivshukla this is outdated. Take look here https://github.com/techmonad/learning-akka-http