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/**
* @author Philipp Haller <philipp.haller@epfl.ch>
*
*/
package examples.actors
import scala.actors.multi.Pid
import scala.actors.distributed.{RemoteActor,TCP,TcpNode,TcpService}
abstract class CounterMessage
case class Incr() extends CounterMessage
case class Value(p: Pid) extends CounterMessage
case class Result(v: int) extends CounterMessage
class Counter extends RemoteActor {
override def run(): unit =
loop(0)
def loop(value: int): unit = {
Console.println("Value: " + value)
receive {
case Incr() =>
loop(value + 1)
case Value(p) =>
p ! Result(value)
loop(value)
case other =>
loop(value)
}
}
}
class CounterUser extends RemoteActor {
override def run(): unit = {
alive(TCP())
val host = java.net.InetAddress.getLocalHost().getHostAddress()
spawn(TcpNode(host, 9090), classOf[Counter].getName())
receive {
case p: Pid =>
// communicate with counter
Console.println("" + node + ": Sending Incr() to remote Counter (" + p + ")...")
p ! Incr()
p ! Incr()
p ! Value(self)
receive {
case Result(v) =>
Console.println("Received result: " + v)
}
}
}
}
object CounterTest {
def main(args: Array[String]): unit = {
val serv = new TcpService(9090)
serv.start()
val cu = new CounterUser
cu.start()
}
}
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