emptygif
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Apache Pekko HTTP Scala

Isang Scala snippet para sa Apache Pekko HTTP na sumasagot sa mga request sa /pixel.gif gamit ang empty GIF, na isang beses lang dine-decode sa startup.

Apache Pekko HTTP Scala

I-install
libraryDependencies ++= Seq("org.apache.pekko" %% "pekko-http" % "1.4.0", "org.apache.pekko" %% "pekko-stream" % "1.2.1")
File
Main.scala
import org.apache.pekko.actor.typed.ActorSystem
import org.apache.pekko.actor.typed.scaladsl.Behaviors
import org.apache.pekko.http.scaladsl.Http
import org.apache.pekko.http.scaladsl.model.{HttpEntity, MediaTypes}
import org.apache.pekko.http.scaladsl.model.headers.`Cache-Control`
import org.apache.pekko.http.scaladsl.model.headers.CacheDirectives.`no-store`
import org.apache.pekko.http.scaladsl.server.Directives.*

@main def pixelServer(): Unit =
  given ActorSystem[Nothing] = ActorSystem(Behaviors.empty, "pixel")

  val gif = HttpEntity(MediaTypes.`image/gif`, java.util.Base64.getDecoder.decode("R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="))

  val route =
    path(separateOnSlashes("/pixel.gif".stripPrefix("/"))) {
      get {
        respondWithHeader(`Cache-Control`(`no-store`)) {
          complete(gif)
        }
      }
    }

  Http().newServerAt("0.0.0.0", 8080).bind(route)

Pinatakbo namin ang snippet na ito at ikinumpara ang mga byte na ibinalik nito.

Suriin

curl -sI http://localhost:8080/pixel.gif

Opisyal na site: Apache Pekko HTTP

Iba pa sa Scala