akka.http.scaladsl.Http.ServerBinding Scala Examples

package oharastream.ohara.shabondi.common

import akka.Done
import akka.actor.ActorSystem
import akka.event.Logging
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.server.{Directives, Route}
import akka.http.scaladsl.settings.ServerSettings
import oharastream.ohara.common.util.Releasable

import scala.concurrent._
import scala.concurrent.duration.Duration
import scala.io.StdIn
import scala.util.{Failure, Success}


private[shabondi] abstract class AbstractWebServer extends Directives with Releasable {
  implicit protected val actorSystem: ActorSystem = ActorSystem(Logging.simpleName(this).replaceAll("\\$", ""))

  protected def routes: Route

  protected def postBinding(binding: ServerBinding): Unit = {
    val hostname = binding.localAddress.getHostName
    val port     = binding.localAddress.getPort
    actorSystem.log.info(s"Server online at http://$hostname:$port/")
  }

  protected def postBindingFailure(cause: Throwable): Unit = {
    actorSystem.log.error(cause, s"Error starting the server ${cause.getMessage}")
  }

  protected def waitForShutdownSignal()(implicit ec: ExecutionContext): Future[Done] = {
    val promise = Promise[Done]()
    sys.addShutdownHook {
      promise.trySuccess(Done)
    }
    Future {
      blocking {
        if (StdIn.readLine("Press <RETURN> to stop Shabondi WebServer...\n") != null)
          promise.trySuccess(Done)
      }
    }
    promise.future
  }

  protected def postServerShutdown(): Unit = actorSystem.log.info("Shutting down the server")

  def start(bindInterface: String, port: Int): Unit = {
    start(bindInterface, port, ServerSettings(actorSystem))
  }

  def start(bindInterface: String, port: Int, settings: ServerSettings): Unit = {
    implicit val executionContext: ExecutionContextExecutor = actorSystem.dispatcher

    val bindingFuture: Future[Http.ServerBinding] = Http().bindAndHandle(
      handler = routes,
      interface = bindInterface,
      port = port,
      settings = settings
    )

    bindingFuture.onComplete {
      case Success(binding) =>
        postBinding(binding)
      case Failure(cause) =>
        postBindingFailure(cause)
    }

    Await.ready(
      bindingFuture.flatMap(_ => waitForShutdownSignal()),
      Duration.Inf
    )

    bindingFuture
      .flatMap(_.unbind())
      .onComplete { _ =>
        postServerShutdown()
        actorSystem.terminate()
      }
  }

  override def close(): Unit = actorSystem.terminate()
} 

package aia.stream

import java.nio.file.{ Files, FileSystems, Path }
import scala.concurrent.Future
import scala.concurrent.duration._

import akka.NotUsed
import akka.actor.{ ActorSystem , Actor, Props }
import akka.event.Logging

import akka.stream.{ ActorMaterializer, ActorMaterializerSettings, Supervision }

import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.server.Directives._

import com.typesafe.config.{ Config, ConfigFactory }

object LogsApp extends App {

  val config = ConfigFactory.load() 
  val host = config.getString("http.host")
  val port = config.getInt("http.port")

  val logsDir = {
    val dir = config.getString("log-stream-processor.logs-dir")
    Files.createDirectories(FileSystems.getDefault.getPath(dir))
  }
  val maxLine = config.getInt("log-stream-processor.max-line")

  implicit val system = ActorSystem() 
  implicit val ec = system.dispatcher
  
  val decider : Supervision.Decider = {
    case _: LogStreamProcessor.LogParseException => Supervision.Stop
    case _                    => Supervision.Stop
  }
  
  implicit val materializer = ActorMaterializer(
   ActorMaterializerSettings(system)
     .withSupervisionStrategy(decider)
  )
  
  val api = new LogsApi(logsDir, maxLine).routes
 
  val bindingFuture: Future[ServerBinding] =
    Http().bindAndHandle(api, host, port)
 
  val log =  Logging(system.eventStream, "logs")
  bindingFuture.map { serverBinding =>
    log.info(s"Bound to ${serverBinding.localAddress} ")
  }.onFailure { 
    case ex: Exception =>
      log.error(ex, "Failed to bind to {}:{}!", host, port)
      system.terminate()
  }
} 

package de.heikoseeberger.wtat

import akka.actor.{ ActorSystem, Scheduler }
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.model.StatusCodes.{ Conflict, Created, NoContent, NotFound }
import akka.http.scaladsl.server.{ Directives, Route }
import akka.stream.Materializer
import akka.actor.typed.scaladsl.Actor
import akka.actor.typed.scaladsl.AskPattern.Askable
import akka.actor.typed.{ ActorRef, Behavior }
import akka.util.Timeout
import de.heikoseeberger.akkahttpcirce.ErrorAccumulatingCirceSupport
import java.net.InetSocketAddress
import org.apache.logging.log4j.scala.Logging
import scala.concurrent.duration.FiniteDuration
import scala.util.{ Failure, Success }

object Api extends Logging {

  sealed trait Command
  private final case object HandleBindFailure                      extends Command
  private final case class HandleBound(address: InetSocketAddress) extends Command

  final val Name = "api"

  def apply(address: String,
            port: Int,
            userRepository: ActorRef[UserRepository.Command],
            userView: ActorRef[UserView.Command],
            askTimeout: FiniteDuration)(implicit mat: Materializer): Behavior[Command] =
    Actor.deferred { context =>
      import akka.actor.typed.scaladsl.adapter._
      import context.executionContext
      implicit val s: ActorSystem = context.system.toUntyped

      val self = context.self
      Http()
        .bindAndHandle(route(userRepository, userView)(askTimeout, context.system.scheduler),
                       address,
                       port)
        .onComplete {
          case Failure(_)                      => self ! HandleBindFailure
          case Success(ServerBinding(address)) => self ! HandleBound(address)
        }

      Actor.immutable {
        case (_, HandleBindFailure) =>
          logger.error(s"Stopping, because cannot bind to $address:$port!")
          Actor.stopped

        case (_, HandleBound(address)) =>
          logger.info(s"Bound to $address")
          Actor.ignore
      }
    }

  def route(
      userRepository: ActorRef[UserRepository.Command],
      userView: ActorRef[UserView.Command]
  )(implicit askTimeout: Timeout, scheduler: Scheduler): Route = {
    import Directives._
    import ErrorAccumulatingCirceSupport._
    import io.circe.generic.auto._
    import io.circe.refined._

    pathEndOrSingleSlash {
      get {
        complete {
          import UserView._
          (userView ? GetUsers).mapTo[Users]
        }
      } ~
      post {
        entity(as[User]) { user =>
          import UserRepository._
          onSuccess(userRepository ? addUser(user)) {
            case UsernameTaken(_) => complete(Conflict)
            case UserAdded(_)     => complete(Created)
          }
        }
      }
    } ~
    path(Segment) { username =>
      delete {
        import UserRepository._
        onSuccess(userRepository ? removeUser(username)) {
          case UsernameUnknown(_) => complete(NotFound)
          case UserRemoved(_)     => complete(NoContent)
        }
      }
    }
  }
} 

package ch.megard.akka.http.cors

import java.util.concurrent.TimeUnit

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.model.headers.{Origin, `Access-Control-Request-Method`}
import akka.http.scaladsl.model.{HttpMethods, HttpRequest}
import akka.http.scaladsl.server.Directives
import akka.http.scaladsl.unmarshalling.Unmarshal
import ch.megard.akka.http.cors.scaladsl.CorsDirectives
import ch.megard.akka.http.cors.scaladsl.settings.CorsSettings
import com.typesafe.config.ConfigFactory
import org.openjdk.jmh.annotations._

import scala.concurrent.duration._
import scala.concurrent.{Await, ExecutionContext}

@State(Scope.Benchmark)
@OutputTimeUnit(TimeUnit.SECONDS)
@BenchmarkMode(Array(Mode.Throughput))
class CorsBenchmark extends Directives with CorsDirectives {
  private val config = ConfigFactory.parseString("akka.loglevel = ERROR").withFallback(ConfigFactory.load())

  implicit private val system: ActorSystem  = ActorSystem("CorsBenchmark", config)
  implicit private val ec: ExecutionContext = scala.concurrent.ExecutionContext.global

  private val http         = Http()
  private val corsSettings = CorsSettings.default

  private var binding: ServerBinding        = _
  private var request: HttpRequest          = _
  private var requestCors: HttpRequest      = _
  private var requestPreflight: HttpRequest = _

  @Setup
  def setup(): Unit = {
    val route = {
      path("baseline") {
        get {
          complete("ok")
        }
      } ~ path("cors") {
        cors(corsSettings) {
          get {
            complete("ok")
          }
        }
      }
    }
    val origin = Origin("http://example.com")

    binding = Await.result(http.bindAndHandle(route, "127.0.0.1", 0), 1.second)
    val base = s"http://${binding.localAddress.getHostString}:${binding.localAddress.getPort}"

    request = HttpRequest(uri = base + "/baseline")
    requestCors = HttpRequest(
      method = HttpMethods.GET,
      uri = base + "/cors",
      headers = List(origin)
    )
    requestPreflight = HttpRequest(
      method = HttpMethods.OPTIONS,
      uri = base + "/cors",
      headers = List(origin, `Access-Control-Request-Method`(HttpMethods.GET))
    )
  }

  @TearDown
  def shutdown(): Unit = {
    val f = for {
      _ <- http.shutdownAllConnectionPools()
      _ <- binding.terminate(1.second)
      _ <- system.terminate()
    } yield ()
    Await.ready(f, 5.seconds)
  }

  @Benchmark
  def baseline(): Unit = {
    val f = http.singleRequest(request).flatMap(r => Unmarshal(r.entity).to[String])
    assert(Await.result(f, 1.second) == "ok")
  }

  @Benchmark
  def default_cors(): Unit = {
    val f = http.singleRequest(requestCors).flatMap(r => Unmarshal(r.entity).to[String])
    assert(Await.result(f, 1.second) == "ok")
  }

  @Benchmark
  def default_preflight(): Unit = {
    val f = http.singleRequest(requestPreflight).flatMap(r => Unmarshal(r.entity).to[String])
    assert(Await.result(f, 1.second) == "")
  }
} 

package com.vitorsvieira.http.server

import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.{ IncomingConnection, ServerBinding }
import akka.http.scaladsl.server.Route._
import akka.stream.scaladsl.{ Sink, Source }
import com.vitorsvieira.http.config.ServerSettingsTemplate
import com.vitorsvieira.http.routes.AkkaHttpRoutesTemplate

import scala.concurrent.Future
import scala.io.StdIn

object AkkaHttpServerTemplate extends App {

  import ServerSettingsTemplate._

  val server: Source[IncomingConnection, Future[ServerBinding]] =
    Http(actorSystem).bind(httpInterface, httpPort)

  log.info(s"\nAkka HTTP Server - Version ${actorSystem.settings.ConfigVersion} - running at http://$httpInterface:$httpPort/")

  val handler: Future[ServerBinding] =
    server
      .to(
        Sink.foreach {
          connection ⇒
            connection.handleWithAsyncHandler(asyncHandler(AkkaHttpRoutesTemplate.availableRoutes))
        }
      )
      .run()

  handler.failed.foreach { case ex: Exception ⇒ log.error(ex, "Failed to bind to {}:{}", httpInterface, httpPort) }

  StdIn.readLine(s"\nPress RETURN to stop...")

  handler
    .flatMap(binding ⇒ binding.unbind())
    .onComplete(_ ⇒ actorSystem.terminate())
} 

package akka.grpc.interop

import java.io.FileInputStream
import java.nio.file.{ Files, Paths }
import java.security.cert.CertificateFactory
import java.security.spec.PKCS8EncodedKeySpec
import java.security.{ KeyFactory, KeyStore, SecureRandom }

import scala.concurrent.duration._

import akka.actor.ActorSystem
import akka.util.ByteString
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.model.{ HttpRequest, HttpResponse }
import akka.http.scaladsl.{ Http2, HttpsConnectionContext }
import akka.stream.SystemMaterializer
import io.grpc.internal.testing.TestUtils
import javax.net.ssl.{ KeyManagerFactory, SSLContext }

import scala.concurrent.{ Await, Future }


case class AkkaGrpcServerScala(serverHandlerFactory: ActorSystem => HttpRequest => Future[HttpResponse])
    extends GrpcServer[(ActorSystem, ServerBinding)] {
  override def start() = {
    implicit val sys = ActorSystem()
    implicit val mat = SystemMaterializer(sys).materializer

    val testService = serverHandlerFactory(sys)

    val bindingFuture = Http2().bindAndHandleAsync(
      testService,
      interface = "127.0.0.1",
      port = 0,
      parallelism = 256, // TODO remove once https://github.com/akka/akka-http/pull/2146 is merged
      connectionContext = serverHttpContext())

    val binding = Await.result(bindingFuture, 10.seconds)
    (sys, binding)
  }

  override def stop(binding: (ActorSystem, ServerBinding)) =
    binding match {
      case (sys, binding) =>
        sys.log.info("Exception thrown, unbinding")
        Await.result(binding.unbind(), 10.seconds)
        Await.result(sys.terminate(), 10.seconds)
    }

  private def serverHttpContext() = {
    val keyEncoded =
      new String(Files.readAllBytes(Paths.get(TestUtils.loadCert("server1.key").getAbsolutePath)), "UTF-8")
        .replace("-----BEGIN PRIVATE KEY-----\n", "")
        .replace("-----END PRIVATE KEY-----\n", "")
        .replace("\n", "")

    val decodedKey = ByteString(keyEncoded).decodeBase64.toArray

    val spec = new PKCS8EncodedKeySpec(decodedKey)

    val kf = KeyFactory.getInstance("RSA")
    val privateKey = kf.generatePrivate(spec)

    val fact = CertificateFactory.getInstance("X.509")
    val is = new FileInputStream(TestUtils.loadCert("server1.pem"))
    val cer = fact.generateCertificate(is)

    val ks = KeyStore.getInstance("PKCS12")
    ks.load(null)
    ks.setKeyEntry("private", privateKey, Array.empty, Array(cer))

    val keyManagerFactory = KeyManagerFactory.getInstance("SunX509")
    keyManagerFactory.init(ks, null)

    val context = SSLContext.getInstance("TLS")
    context.init(keyManagerFactory.getKeyManagers, null, new SecureRandom)

    new HttpsConnectionContext(context)
  }

  override def getPort(binding: (ActorSystem, ServerBinding)): Int = binding._2.localAddress.getPort
} 

package org.denigma.preview

import akka.actor._
import akka.http.scaladsl.Http.{IncomingConnection, ServerBinding}
import akka.http.scaladsl.{Http, _}
import akka.stream.ActorMaterializer
import akka.stream.scaladsl.Source
import org.denigma.preview.routes.Router

import scala.concurrent.Future

class MainActor  extends Actor with ActorLogging // Routes
{
  implicit val system = context.system
  implicit val materializer = ActorMaterializer()
  implicit val executionContext = system.dispatcher


  val server: HttpExt = Http(context.system)
  var serverSource: Source[IncomingConnection, Future[ServerBinding]] = null
  val router = new Router()


  override def receive: Receive = {
    case AppMessages.Start(config)=>
      val (host,port) = (config.getString("app.host") , config.getInt("app.port"))
      server.bindAndHandle(router.routes, host, port)
      log.info(s"starting server at $host:$port")

    case AppMessages.Stop=> onStop()
  }

  def onStop() = {
    log.info("Main actor has been stoped...")
  }

  override def postStop() = {
    onStop()
  }

} 

package ba.codecentric

import java.util.concurrent.TimeUnit

import akka.actor.{ Actor, ActorLogging, Props }
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.model.StatusCodes
import akka.http.scaladsl.model.headers.RawHeader
import akka.http.scaladsl.server.{ Directive1, Route }
import akka.http.scaladsl.server.Directives._
import akka.stream.ActorMaterializer
import akka.pattern._

import scala.util.Failure

object HttpApi {
  import de.heikoseeberger.akkahttpcirce.FailFastCirceSupport._
  import io.circe.generic.auto._
  import authentikat.jwt._

  final val Name                  = "http-api"
  final val AccessTokenHeaderName = "X-Access-Token"

  final case class LoginRequest(username: String, password: String)

  private val tokenExpiryPeriodInDays = 1
  private val secretKey               = "super_secret_key"
  private val header                  = JwtHeader("HS256")

  private def login: Route = post {
    entity(as[LoginRequest]) {
      case lr @ LoginRequest("admin", "admin") =>
        val claims = setClaims(lr.username, tokenExpiryPeriodInDays)
        respondWithHeader(RawHeader(AccessTokenHeaderName, JsonWebToken(header, claims, secretKey))) {
          complete(StatusCodes.OK)
        }
      case LoginRequest(_, _) => complete(StatusCodes.Unauthorized)
    }
  }

  private def securedContent: Route = get {
    authenticated { claims =>
      complete(s"User: ${claims.getOrElse("user", "")} has accessed a secured content!")
    }
  }

  private def authenticated: Directive1[Map[String, Any]] =
    optionalHeaderValueByName("Authorization").flatMap {
      case Some(jwt) if isTokenExpired(jwt) =>
        complete(StatusCodes.Unauthorized -> "Session expired.")

      case Some(jwt) if JsonWebToken.validate(jwt, secretKey) =>
        provide(getClaims(jwt))

      case _ => complete(StatusCodes.Unauthorized)
    }

  private def setClaims(username: String, expiryPeriodInDays: Long): JwtClaimsSetMap =
    JwtClaimsSet(
      Map("user" -> username,
          "expiredAt" -> (System.currentTimeMillis() + TimeUnit.DAYS
            .toMillis(expiryPeriodInDays)))
    )

  private def getClaims(jwt: String): Map[String, String] = jwt match {
    case JsonWebToken(_, claims, _) => claims.asSimpleMap.getOrElse(Map.empty[String, String])
  }

  private def isTokenExpired(jwt: String): Boolean =
    getClaims(jwt).get("expiredAt").exists(_.toLong < System.currentTimeMillis())

  def routes: Route = login ~ securedContent

  def apply(host: String, port: Int) = Props(new HttpApi(host, port))
}

final class HttpApi(host: String, port: Int) extends Actor with ActorLogging {
  import HttpApi._
  import context.dispatcher

  private implicit val materializer: ActorMaterializer = ActorMaterializer()

  Http(context.system).bindAndHandle(routes, host, port).pipeTo(self)

  override def receive: Receive = {
    case ServerBinding(address) =>
      log.info("Server successfully bound at {}:{}", address.getHostName, address.getPort)
    case Failure(cause) =>
      log.error("Failed to bind server", cause)
      context.system.terminate()
  }
} 

package cool.graph.akkautil.http

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.server.Directives._
import akka.http.scaladsl.server.Route
import akka.stream.ActorMaterializer
import ch.megard.akka.http.cors.scaladsl.CorsDirectives
import ch.megard.akka.http.cors.scaladsl.CorsDirectives._

import scala.concurrent.duration.{Duration, _}
import scala.concurrent.{Await, Future}


case class ServerExecutor(port: Int, servers: Server*)(implicit system: ActorSystem, materializer: ActorMaterializer) {
  import system.dispatcher

  val routes: Route = {
    handleRejections(CorsDirectives.corsRejectionHandler) {
      cors() {
        val routes = servers.map(_.routes) :+ statusRoute
        routes.reduceLeft(_ ~ _)
      }
    }
  }

  def statusRoute: Route = (get & path("status")) {
    val checks = Future.sequence(servers.map(_.healthCheck))

    onSuccess(checks) { _ =>
      complete("OK")
    }
  }

  lazy val serverBinding: Future[ServerBinding] = {
    val binding = Http().bindAndHandle(Route.handlerFlow(routes), "0.0.0.0", port)
    binding.onSuccess { case b => println(s"Server running on :${b.localAddress.getPort}") }
    binding
  }

  def start: Future[_] = Future.sequence[Any, Seq](servers.map(_.onStart) :+ serverBinding)
  def stop: Future[_]  = Future.sequence[Any, Seq](servers.map(_.onStop) :+ serverBinding.map(_.unbind))

  // Starts the server and blocks the calling thread until the underlying actor system terminates.
  def startBlocking(duration: Duration = 15.seconds): Unit = {
    start
    Await.result(system.whenTerminated, Duration.Inf)
  }

  def stopBlocking(duration: Duration = 15.seconds): Unit = Await.result(stop, duration)
} 

package com.spr.akka

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.stream.Materializer
import com.typesafe.config.ConfigFactory

import scala.concurrent.Future


class RestApiServer(api: RestApi)(implicit system: ActorSystem, materializer: Materializer) {

  def bind(): Future[ServerBinding] = {
    val config = ConfigFactory.load()
    val host = config.getString("http.host")
    val port = config.getInt("http.port")
    implicit val system = this.system
    implicit val materializer = this.materializer
    Http().bindAndHandle(api.route, host, port)
  }

} 

package chat

import scala.concurrent.ExecutionContext.Implicits._
import scala.util.{Failure,Success}
import akka.actor.ActorSystem
import akka.stream.Materializer
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.{ ServerBinding }
import akka.http.scaladsl.model.{ HttpRequest, HttpResponse, Uri }
import akka.stream.scaladsl.{ Flow, Sink, Source }
import org.slf4j.LoggerFactory

trait WebService {
  val log = LoggerFactory.getLogger("total")
  private var binding: scala.concurrent.Future[ServerBinding] = null

  def serviceBind(serviceName: String, bindRoute: Flow[HttpRequest, HttpResponse, Any], bindPort: Int)
                 (implicit actorSystem: ActorSystem, materializer: Materializer): Unit = {
    binding = Http().bindAndHandle(bindRoute,"0.0.0.0", bindPort)

    // the rest of the sample code will go here
    binding.onComplete {
      //binding success check
      case Success(binding) =>
        val localAddress = binding.localAddress
        log.info(s"${serviceName} is listening on ${localAddress.getAddress}:${localAddress.getPort}")

      case Failure(e) =>
        log.error(s"${serviceName} Binding failed with ${e.getMessage}")
    }
  }

  def serviceUnbind(serviceName: String) = {
    if( binding != null )
    {
      binding
        .flatMap(_.unbind())
        .onComplete(_ =>
          log.info(s"${serviceName} listening port unbinding ... ")
        )
    }
    else
      log.info( s"${serviceName} Unbinding Failed !" )
  }
} 

package aia.stream

import java.nio.file.{ Files, FileSystems, Path }
import scala.concurrent.Future
import scala.concurrent.duration._

import akka.NotUsed
import akka.actor.{ ActorSystem , Actor, Props }
import akka.event.Logging

import akka.stream.{ ActorMaterializer, ActorMaterializerSettings, Supervision }

import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.server.Directives._

import com.typesafe.config.{ Config, ConfigFactory }

object ContentNegLogsApp extends App {

  val config = ConfigFactory.load() 
  val host = config.getString("http.host")
  val port = config.getInt("http.port")

  val logsDir = {
    val dir = config.getString("log-stream-processor.logs-dir")
    Files.createDirectories(FileSystems.getDefault.getPath(dir))
  }
  val maxLine = config.getInt("log-stream-processor.max-line")
  val maxJsObject = config.getInt("log-stream-processor.max-json-object")

  implicit val system = ActorSystem() 
  implicit val ec = system.dispatcher
  
  val decider : Supervision.Decider = {
    case _: LogStreamProcessor.LogParseException => Supervision.Stop
    case _                    => Supervision.Stop
  }
  
  implicit val materializer = ActorMaterializer(
   ActorMaterializerSettings(system)
     .withSupervisionStrategy(decider)
  )
  
  val api = new ContentNegLogsApi(logsDir, maxLine, maxJsObject).routes
 
  val bindingFuture: Future[ServerBinding] =
    Http().bindAndHandle(api, host, port)
 
  val log =  Logging(system.eventStream, "content-neg-logs")
  bindingFuture.map { serverBinding =>
    log.info(s"Bound to ${serverBinding.localAddress} ")
  }.onFailure { 
    case ex: Exception =>
      log.error(ex, "Failed to bind to {}:{}!", host, port)
      system.terminate()
  }
} 

package aia.stream

import java.nio.file.{ Files, FileSystems, Path }
import scala.concurrent.Future
import scala.concurrent.duration._

import akka.NotUsed
import akka.actor.{ ActorSystem , Actor, Props }
import akka.event.Logging

import akka.stream.{ ActorMaterializer, ActorMaterializerSettings, Supervision }

import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.server.Directives._

import com.typesafe.config.{ Config, ConfigFactory }

object LogStreamProcessorApp extends App {

  val config = ConfigFactory.load() 
  val host = config.getString("http.host")
  val port = config.getInt("http.port")

  val logsDir = {
    val dir = config.getString("log-stream-processor.logs-dir")
    Files.createDirectories(FileSystems.getDefault.getPath(dir))
  }

  val notificationsDir = {
    val dir = config.getString("log-stream-processor.notifications-dir")
    Files.createDirectories(FileSystems.getDefault.getPath(dir))
  }

  val metricsDir = {
    val dir = config.getString("log-stream-processor.metrics-dir")
    Files.createDirectories(FileSystems.getDefault.getPath(dir))
  }

  val maxLine = config.getInt("log-stream-processor.max-line")
  val maxJsObject = config.getInt("log-stream-processor.max-json-object")

  implicit val system = ActorSystem() 
  implicit val ec = system.dispatcher
  
  val decider : Supervision.Decider = {
    case _: LogStreamProcessor.LogParseException => Supervision.Resume
    case _                    => Supervision.Stop
  }
  
  implicit val materializer = ActorMaterializer(
   ActorMaterializerSettings(system)
     .withSupervisionStrategy(decider)
  )
  
  val api = new LogStreamProcessorApi(logsDir, notificationsDir, metricsDir, maxLine, maxJsObject).routes
 
  val bindingFuture: Future[ServerBinding] =
    Http().bindAndHandle(api, host, port)
 
  val log =  Logging(system.eventStream, "processor")
  bindingFuture.map { serverBinding =>
    log.info(s"Bound to ${serverBinding.localAddress} ")
  }.onFailure { 
    case ex: Exception =>
      log.error(ex, "Failed to bind to {}:{}!", host, port)
      system.terminate()
  }
} 

package aia.stream

import java.nio.file.{ Files, FileSystems, Path }
import scala.concurrent.Future
import scala.concurrent.duration._

import akka.NotUsed
import akka.actor.{ ActorSystem , Actor, Props }
import akka.event.Logging

import akka.stream.{ ActorMaterializer, ActorMaterializerSettings, Supervision }

import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.server.Directives._

import com.typesafe.config.{ Config, ConfigFactory }

object FanLogsApp extends App {

  val config = ConfigFactory.load() 
  val host = config.getString("http.host")
  val port = config.getInt("http.port")

  val logsDir = {
    val dir = config.getString("log-stream-processor.logs-dir")
    Files.createDirectories(FileSystems.getDefault.getPath(dir))
  }
  val maxLine = config.getInt("log-stream-processor.max-line")
  val maxJsObject = config.getInt("log-stream-processor.max-json-object")

  implicit val system = ActorSystem() 
  implicit val ec = system.dispatcher
  
  val decider : Supervision.Decider = {
    case _: LogStreamProcessor.LogParseException => Supervision.Resume
    case _                    => Supervision.Stop
  }
  
  implicit val materializer = ActorMaterializer(
   ActorMaterializerSettings(system)
     .withSupervisionStrategy(decider)
  )
  
  val api = new FanLogsApi(logsDir, maxLine, maxJsObject).routes
 
  val bindingFuture: Future[ServerBinding] =
    Http().bindAndHandle(api, host, port)
 
  val log =  Logging(system.eventStream, "fan-logs")
  bindingFuture.map { serverBinding =>
    log.info(s"Bound to ${serverBinding.localAddress} ")
  }.onFailure { 
    case ex: Exception =>
      log.error(ex, "Failed to bind to {}:{}!", host, port)
      system.terminate()
  }
} 

package com.goticks

import scala.concurrent.Future
import scala.util.{Failure, Success}

import akka.actor.ActorSystem
import akka.event.Logging

import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.server.Route

import akka.stream.ActorMaterializer

trait Startup extends RequestTimeout {
  def startup(api: Route)(implicit system: ActorSystem) = {
    val host = system.settings.config.getString("http.host") // 설정에서 호스트와 포트를 가져온다
    val port = system.settings.config.getInt("http.port")
    startHttpServer(api, host, port)
  }

  def startHttpServer(api: Route, host: String, port: Int)
      (implicit system: ActorSystem) = {
    implicit val ec = system.dispatcher  // bindAndHandle에는 암시적인 ExecutionContext가 필요하다
    implicit val materializer = ActorMaterializer()
    val bindingFuture: Future[ServerBinding] =
    Http().bindAndHandle(api, host, port) // HTTP 서버를 시작한다
   
    val log = Logging(system.eventStream, "go-ticks")
    bindingFuture.map { serverBinding =>
      log.info(s"RestApi bound to ${serverBinding.localAddress} ")
    }.onComplete { 
      case Success(v) =>
	  case Failure(ex) =>
        log.error(ex, "Failed to bind to {}:{}!", host, port)
        system.terminate()
    }
  }
} 

package com.goticks

import scala.concurrent.Future
import scala.util.{Failure, Success}

import akka.actor.{ ActorSystem , Actor, Props }
import akka.event.Logging
import akka.util.Timeout

import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.server.Directives._
import akka.stream.ActorMaterializer

import com.typesafe.config.{ Config, ConfigFactory }

object Main extends App
    with RequestTimeout {

  val config = ConfigFactory.load() 
  val host = config.getString("http.host") // 설정으로부터 호스트와 포트를 가져온다
  val port = config.getInt("http.port")

  implicit val system = ActorSystem() 
  implicit val ec = system.dispatcher  // bindAndHandle은 비동기적이며, ExecutionContext를 암시적으로 사용해야 한다

  val api = new RestApi(system, requestTimeout(config)).routes // RestApi는 HTTP 루트를 제공한다
 
  implicit val materializer = ActorMaterializer()
  val bindingFuture: Future[ServerBinding] =
    Http().bindAndHandle(api, host, port) // RestApi 루트를 가지고 HTTP 서버를 시작한다
 
  val log =  Logging(system.eventStream, "go-ticks")
  bindingFuture.map { serverBinding =>
    log.info(s"RestApi bound to ${serverBinding.localAddress} ")
  }.onComplete { 
    case Success(v) =>
	case Failure(ex) =>
      log.error(ex, "Failed to bind to {}:{}!", host, port)
      system.terminate()
  }
}

trait RequestTimeout {
  import scala.concurrent.duration._
  def requestTimeout(config: Config): Timeout = {
    val t = config.getString("akka.http.server.request-timeout")
    val d = Duration(t)
    FiniteDuration(d.length, d.unit)
  }
} 

package aia.persistence.rest

import com.typesafe.config.Config

import scala.concurrent.Future

import akka.actor._
import akka.event.Logging
import akka.util.Timeout

import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.stream.ActorMaterializer

import aia.persistence._

trait ShoppersServiceSupport extends RequestTimeout {
  def startService(shoppers: ActorRef)(implicit system: ActorSystem) = {
    val config = system.settings.config
    val settings = Settings(system)
    val host = settings.http.host
    val port = settings.http.port

    implicit val ec = system.dispatcher  //bindAndHandle requires an implicit ExecutionContext

    val api = new ShoppersService(shoppers, system, requestTimeout(config)).routes // the RestApi provides a Route
 
    implicit val materializer = ActorMaterializer()
    val bindingFuture: Future[ServerBinding] =
      Http().bindAndHandle(api, host, port)
   
    val log =  Logging(system.eventStream, "shoppers")
    bindingFuture.map { serverBinding =>
      log.info(s"Shoppers API bound to ${serverBinding.localAddress} ")
    }.failed.foreach { 
      case ex: Exception =>
        log.error(ex, "Failed to bind to {}:{}!", host, port)
        system.terminate()
    }
  }
}

trait RequestTimeout {
  import scala.concurrent.duration._
  def requestTimeout(config: Config): Timeout = {
    val t = config.getString("akka.http.server.request-timeout")
    val d = Duration(t)
    FiniteDuration(d.length, d.unit)
  }
} 

package aia.integration

import scala.concurrent.Future

import akka.actor.{ ActorSystem , Actor, Props }
import akka.event.Logging
import akka.util.Timeout

import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.server.Directives._
import akka.stream.ActorMaterializer

import com.typesafe.config.{ Config, ConfigFactory } 

object OrderServiceApp extends App
    with RequestTimeout {
  val config = ConfigFactory.load() 
  val host = config.getString("http.host")
  val port = config.getInt("http.port")

  implicit val system = ActorSystem() 
  implicit val ec = system.dispatcher

  val processOrders = system.actorOf(
    Props(new ProcessOrders), "process-orders"
  )

  val api = new OrderServiceApi(system, 
    requestTimeout(config), 
    processOrders).routes
 
  implicit val materializer = ActorMaterializer()
  val bindingFuture: Future[ServerBinding] =
    Http().bindAndHandle(api, host, port)
 
  val log =  Logging(system.eventStream, "order-service")
  bindingFuture.map { serverBinding =>
    log.info(s"Bound to ${serverBinding.localAddress} ")
  }.failed.foreach { 
    case ex: Exception =>
      log.error(ex, "Failed to bind to {}:{}!", host, port)
      system.terminate()
  }
}


trait RequestTimeout {
  import scala.concurrent.duration._
  def requestTimeout(config: Config): Timeout = {
    val t = config.getString("akka.http.server.request-timeout")
    val d = Duration(t)
    FiniteDuration(d.length, d.unit)
  }
} 

package org.apache.gearpump.services.security.oauth2

import scala.concurrent.{Await, Future}

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.model.{HttpRequest, HttpResponse}
import akka.stream.ActorMaterializer
import akka.stream.scaladsl.Sink

import org.apache.gearpump.util.Util
// NOTE: This cannot be removed!!
import org.apache.gearpump.services.util.UpickleUtil._


class MockOAuth2Server(
    actorSystem: ActorSystem,
    var requestHandler: HttpRequest => HttpResponse) {

  implicit val system: ActorSystem = actorSystem
  implicit val materializer = ActorMaterializer()
  implicit val ec = system.dispatcher

  private var _port: Int = 0
  private var bindingFuture: Future[ServerBinding] = null

  def port: Int = _port

  def start(): Unit = {
    _port = Util.findFreePort().get

    val serverSource = Http().bind(interface = "127.0.0.1", port = _port)
    bindingFuture = {
      serverSource.to(Sink.foreach { connection =>
        connection handleWithSyncHandler requestHandler
      }).run()
    }
  }

  def stop(): Unit = {
    import scala.concurrent.duration._
    Await.result(bindingFuture.map(_.unbind()), 120.seconds)
  }
} 

package com.wix.e2e.http.server.internals

import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.model.headers.{ProductVersion, Server}
import akka.http.scaladsl.model.{HttpRequest, HttpResponse}
import akka.http.scaladsl.settings.ServerSettings
import com.wix.e2e.http.api.BaseWebServer
import com.wix.e2e.http.info.HttpTestkitVersion
import com.wix.e2e.http.utils._
import com.wix.e2e.http.{BaseUri, RequestHandler, WixHttpTestkitResources}

import scala.concurrent.Future
import scala.concurrent.duration._

abstract class AkkaHttpMockWebServer(specificPort: Option[Int], val initialHandlers: Seq[RequestHandler])
  extends BaseWebServer
  with AdjustableServerBehaviorSupport {

  import WixHttpTestkitResources.{executionContext, materializer, system}

  protected def serverBehavior: RequestHandler

  def start() = this.synchronized {
    val s = waitFor( Http().bindAndHandleAsync(handler = TransformToStrictAndHandle,
                                               interface = "localhost",
                                               settings = customSettings,
                                               port = specificPort.getOrElse( AllocateDynamicPort )) )
    serverBinding = Option(s)
    println(s"Web server started on port: ${baseUri.port}.")
    this
  }

  def stop() = this.synchronized {
    serverBinding.foreach{ s =>
      waitFor( s.unbind() )
    }
    serverBinding = None
    this
  }

  def baseUri =
    specificPort.map( p => BaseUri("localhost", port = p) )
                .orElse( serverBinding.map( s => BaseUri(port = s.localAddress.getPort) ))
                .getOrElse( throw new IllegalStateException("Server port and baseUri will have value after server is started") )

  private var serverBinding: Option[ServerBinding] = None
  private val AllocateDynamicPort = 0
  private val TransformToStrictAndHandle: HttpRequest => Future[HttpResponse] = _.toStrict(1.minutes).map( serverBehavior )
  private def customSettings =
    ServerSettings(system).withTransparentHeadRequests(false)
                          .withServerHeader( Some(Server(ProductVersion("server-http-testkit", HttpTestkitVersion))) )
} 

package com.github.jarlakxen

import java.net.InetSocketAddress
import java.nio.channels.ServerSocketChannel

import scala.concurrent._
import scala.concurrent.duration._

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.http.scaladsl.model._
import akka.http.scaladsl.server.Route
import akka.stream.ActorMaterializer
import akka.testkit._

import org.scalatest.BeforeAndAfterAll

package object drunk {

  trait TestHttpServer extends BeforeAndAfterAll {
    this: Spec =>

    implicit val system: ActorSystem = ActorSystem("drunk-test")
    implicit def executor = system.dispatcher
    implicit val materializer = ActorMaterializer()

    private def temporaryServerAddress(interface: String = "127.0.0.1"): InetSocketAddress = {
      val serverSocket = ServerSocketChannel.open()
      try {
        serverSocket.socket.bind(new InetSocketAddress(interface, 0))
        val port = serverSocket.socket.getLocalPort
        new InetSocketAddress(interface, port)
      } finally serverSocket.close()
    }

    private def temporaryServerHostnameAndPort(interface: String = "127.0.0.1"): (String, Int) = {
      val socketAddress = temporaryServerAddress(interface)
      (socketAddress.getHostName, socketAddress.getPort)
    }

    val (host, port) = temporaryServerHostnameAndPort()

    override protected def beforeAll(): Unit =
      Http().bindAndHandle(serverRoutes, host, port).futureValue

    override protected def afterAll(): Unit =
      TestKit.shutdownActorSystem(system)

    def serverRoutes: Route
  }

} 

package de.aktey.akka.visualmailbox

import akka.actor.ActorSystem
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import akka.io.Udp.{Bind, Bound, CommandFailed}
import akka.io.{IO, Udp}
import akka.pattern._
import akka.stream.ActorMaterializer
import akka.util.Timeout
import com.typesafe.config.ConfigFactory
import de.aktey.akka.visualmailbox.data.DataSourceEndpoint
import de.aktey.akka.visualmailbox.web.{Routing, WebConfig}

import scala.concurrent.duration._


object VisualMailboxMetricServer extends App {

  val allConfig = ConfigFactory.load()
  val config = VisualMailboxMetricClientConfig.fromConfig(allConfig)

  implicit val system = ActorSystem("visualmailbox-visualizer")
  implicit val meterializer = ActorMaterializer()
  implicit val bindTimeout = Timeout(2.seconds)

  import system._

  val router = system.actorOf(MetricsRouter.props(), "router")

  val dataHandler = system.actorOf(DataSourceEndpoint.props(router), "data-sink")

  (IO(Udp) ? Bind(dataHandler, config.serverAddress)).map {
    case CommandFailed(cmd) =>
      system.terminate()
    case Bound(address) =>
      log.info(s"""{"type":"udp-bound","address":"$address"}""")
  }

  val webConfig = WebConfig.fromConfig(allConfig)

  Http()
    .bindAndHandle(Routing.root(MetricFlow.metricSource(router)), webConfig.host, webConfig.port)
    .foreach { case ServerBinding(address) =>
      log.info(s"""{"type":"http-bound","address":"$address"}""")
    }
} 

package com.omearac

import akka.actor.{ActorSystem, Props}
import akka.event.Logging
import akka.http.scaladsl.Http
import akka.http.scaladsl.Http.ServerBinding
import com.omearac.consumers.ConsumerStreamManager.InitializeConsumerStream
import com.omearac.consumers.{ConsumerStreamManager, DataConsumer, EventConsumer}
import com.omearac.http.HttpService
import com.omearac.producers.ProducerStreamManager.InitializeProducerStream
import com.omearac.producers.{DataProducer, EventProducer, ProducerStreamManager}
import com.omearac.settings.Settings
import com.omearac.shared.AkkaStreams
import com.omearac.shared.KafkaMessages.{ExampleAppEvent, KafkaMessage}

import scala.concurrent.{Await, Future}
import scala.concurrent.duration._
import scala.io.StdIn



object Main extends App with HttpService with AkkaStreams {
  implicit val system = ActorSystem("akka-reactive-kafka-app")
  val log = Logging(system, this.getClass.getName)

  //Start the akka-http server and listen for http requests
  val akkaHttpServer = startAkkaHTTPServer()

  //Create the Producer Stream Manager and Consumer Stream Manager
  val producerStreamManager = system.actorOf(Props(new ProducerStreamManager), "producerStreamManager")
  val consumerStreamManager = system.actorOf(Props(new ConsumerStreamManager), "consumerStreamManager")

  //Create actor to publish event messages to kafka stream.
  val eventProducer = system.actorOf(EventProducer.props, "eventProducer")
  producerStreamManager ! InitializeProducerStream(eventProducer, ExampleAppEvent)

  //Create actor to consume event messages from kafka stream.
  val eventConsumer = system.actorOf(EventConsumer.props, "eventConsumer")
  consumerStreamManager ! InitializeConsumerStream(eventConsumer, ExampleAppEvent)

  //Create actor to publish data messages to kafka stream.
  val dataProducer = system.actorOf(DataProducer.props, "dataProducer")
  producerStreamManager ! InitializeProducerStream(dataProducer, KafkaMessage)

  //Create actor to consume data messages from kafka stream.
  val dataConsumer = system.actorOf(DataConsumer.props, "dataConsumer")
  consumerStreamManager ! InitializeConsumerStream(dataConsumer, KafkaMessage)

  //Shutdown
  shutdownApplication()

  private def startAkkaHTTPServer(): Future[ServerBinding] = {
    val settings = Settings(system).Http
    val host = settings.host

    println(s"Specify the TCP port do you want to host the HTTP server at (e.g. 8001, 8080..etc)? \nHit Return when finished:")
    val portNum = StdIn.readInt()

    println(s"Waiting for http requests at http://$host:$portNum/")
    Http().bindAndHandle(routes, host, portNum)
  }

  private def shutdownApplication(): Unit = {
    scala.sys.addShutdownHook({
      println("Terminating the Application...")
      akkaHttpServer.flatMap(_.unbind())
      system.terminate()
      Await.result(system.whenTerminated, 30 seconds)
      println("Application Terminated")
    })
  }
}