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package com.github.jodersky.flow
import scala.util.Failure
import scala.util.Success
import scala.util.Try
import com.github.jodersky.flow.internal.SerialConnection
import Serial.CommandFailed
import Serial.Open
import akka.actor.Actor
import akka.actor.ActorLogging
import akka.actor.OneForOneStrategy
import akka.actor.SupervisorStrategy.Stop
import akka.actor.actorRef2Scala
/**
* Entry point to the serial API. Actor that manages serial port creation. Once opened, a serial port is handed over to
* a dedicated operator actor that acts as an intermediate between client code and the native system serial port.
* @see SerialOperator
*/
class SerialManager extends Actor with ActorLogging {
import SerialManager._
import context._
override val supervisorStrategy = OneForOneStrategy() {
case _: Exception => Stop
}
def receive = {
case open @ Open(port, settings, bufferSize) => Try {
SerialConnection.open(port, settings)
} match {
case Success(connection) => context.actorOf(SerialOperator(connection, bufferSize, sender), name = escapePortString(connection.port))
case Failure(err) => sender ! CommandFailed(open, err)
}
}
}
object SerialManager {
private def escapePortString(port: String) = port collect {
case '/' => '-'
case c => c
}
}
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