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package ch.jodersky.flow
package samples.watcher
import akka.actor.{ Actor, ActorLogging, ActorSystem, Props }
import akka.io.IO
import scala.io.StdIn
class Watcher extends Actor with ActorLogging {
import context._
val ports = List(
"/dev/ttyUSB\\d+",
"/dev/ttyACM\\d+",
"/dev/cu\\d+",
"/dev/ttyS\\d+"
)
override def preStart() = {
val cmd = Serial.Watch()
IO(Serial) ! cmd //watch for new devices
log.info(s"Watching ${cmd.directory} for new devices.")
}
def receive = {
case Serial.CommandFailed(w: Serial.Watch, err) =>
log.error(err, s"Could not get a watch on ${w.directory}.")
context stop self
case Serial.Connected(path) =>
log.info(s"New device: ${path}")
ports.find(path matches _) match {
case Some(port) => log.info(s"Device is a serial device.")
case None => log.warning(s"Device is NOT serial device.")
}
}
}
object Main {
def main(args: Array[String]): Unit = {
val system = ActorSystem("flow")
val watcher = system.actorOf(Props(classOf[Watcher]), name = "watcher")
StdIn.readLine()
system.terminate()
}
}
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