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/* ===================================================
* Copyright © 2013 the kamon project <http://kamon.io/>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
package test
import akka.actor._
import spray.routing.SimpleRoutingApp
import akka.util.Timeout
import spray.httpx.RequestBuilding
import scala.concurrent.{ Await, Future }
import kamon.spray.KamonTraceDirectives
import scala.util.Random
import akka.routing.RoundRobinPool
import kamon.trace.TraceRecorder
import kamon.Kamon
import kamon.metric._
import spray.http.{ StatusCodes, Uri }
import kamon.metric.Subscriptions.TickMetricSnapshot
object SimpleRequestProcessor extends App with SimpleRoutingApp with RequestBuilding with KamonTraceDirectives {
import scala.concurrent.duration._
import spray.client.pipelining._
import akka.pattern.ask
implicit val system = ActorSystem("test")
import system.dispatcher
val printer = system.actorOf(Props[PrintWhatever])
val act = system.actorOf(Props(new Actor {
def receive: Actor.Receive = { case any ⇒ sender ! any }
}), "com")
//val buffer = system.actorOf(TickMetricSnapshotBuffer.props(30 seconds, printer))
//Kamon(Metrics).subscribe(CustomMetric, "*", buffer, permanently = true)
//Kamon(Metrics).subscribe(ActorMetrics, "*", printer, permanently = true)
implicit val timeout = Timeout(30 seconds)
val pipeline = sendReceive
val replier = system.actorOf(Props[Replier].withRouter(RoundRobinPool(nrOfInstances = 2)), "replier")
val random = new Random()
startServer(interface = "localhost", port = 9090) {
get {
path("test") {
traceName("test") {
complete {
val futures = pipeline(Get("http://10.254.209.14:8000/")).map(r ⇒ "Ok") :: pipeline(Get("http://10.254.209.14:8000/")).map(r ⇒ "Ok") :: Nil
Future.sequence(futures).map(l ⇒ "Ok")
}
}
} ~
path("site") {
complete {
pipeline(Get("http://localhost:9090/site-redirect"))
}
} ~
path("site-redirect") {
redirect(Uri("http://localhost:4000/"), StatusCodes.MovedPermanently)
} ~
path("reply" / Segment) { reqID ⇒
traceName("reply") {
complete {
(replier ? reqID).mapTo[String]
}
}
} ~
path("ok") {
traceName("OK") {
complete {
"ok"
}
}
} ~
path("future") {
traceName("OK-Future") {
dynamic {
complete(Future { "OK" })
}
}
} ~
path("kill") {
dynamic {
replier ! PoisonPill
complete(Future { "OK" })
}
} ~
path("error") {
complete {
throw new NullPointerException
"okk"
}
}
}
}
}
class PrintWhatever extends Actor {
def receive = {
case TickMetricSnapshot(from, to, metrics) ⇒
println(metrics.map { case (key, value) ⇒ key.name + " => " + value.metrics.mkString(",") }.mkString("|"))
case anything ⇒ println(anything)
}
}
object Verifier extends App {
def go: Unit = {
import scala.concurrent.duration._
import spray.client.pipelining._
implicit val system = ActorSystem("test")
import system.dispatcher
implicit val timeout = Timeout(30 seconds)
val pipeline = sendReceive
val futures = Future.sequence(for (i ← 1 to 500) yield {
pipeline(Get("http://127.0.0.1:9090/reply/" + i)).map(r ⇒ r.entity.asString == i.toString)
})
println("Everything is: " + Await.result(futures, 10 seconds).forall(a ⇒ a == true))
}
}
class Replier extends Actor with ActorLogging {
def receive = {
case anything ⇒
if (TraceRecorder.currentContext.isEmpty)
log.warning("PROCESSING A MESSAGE WITHOUT CONTEXT")
log.info("Processing at the Replier, and self is: {}", self)
sender ! anything
}
}
object PingPong extends App {
val system = ActorSystem()
val pinger = system.actorOf(Props(new Actor {
def receive: Actor.Receive = { case "pong" ⇒ sender ! "ping" }
}))
val ponger = system.actorOf(Props(new Actor {
def receive: Actor.Receive = { case "ping" ⇒ sender ! "pong" }
}))
pinger.tell("pong", ponger)
}
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