akka.io.UdpSender.scala Maven / Gradle / Ivy
/**
* Copyright (C) 2009-2014 Typesafe Inc.
*/
package akka.io
import java.nio.channels.DatagramChannel
import scala.collection.immutable
import scala.util.control.NonFatal
import akka.dispatch.{ RequiresMessageQueue, UnboundedMessageQueueSemantics }
import akka.io.Inet.SocketOption
import akka.io.Udp._
import akka.actor._
/**
* INTERNAL API
*/
private[io] class UdpSender(val udp: UdpExt,
channelRegistry: ChannelRegistry,
commander: ActorRef,
options: immutable.Traversable[SocketOption])
extends Actor with ActorLogging with WithUdpSend with RequiresMessageQueue[UnboundedMessageQueueSemantics] {
val channel = {
val datagramChannel = DatagramChannel.open
datagramChannel.configureBlocking(false)
val socket = datagramChannel.socket
options foreach { _.beforeDatagramBind(socket) }
datagramChannel
}
channelRegistry.register(channel, initialOps = 0)
def receive: Receive = {
case registration: ChannelRegistration ⇒
commander ! SimpleSenderReady
context.become(sendHandlers(registration))
}
override def postStop(): Unit = if (channel.isOpen) {
log.debug("Closing DatagramChannel after being stopped")
try channel.close()
catch {
case NonFatal(e) ⇒ log.debug("Error closing DatagramChannel: {}", e)
}
}
}