blob: b3128ac6aa76feedaee52997a33a82e6c436fea2 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
package com.github.jodersky.flow
import java.io.IOException
import scala.util.Failure
import scala.util.Success
import scala.util.Try
import com.github.jodersky.flow.internal.InternalSerial
import Serial._
import akka.actor.Actor
import akka.actor.ActorLogging
import akka.actor.OneForOneStrategy
import akka.actor.Props
import akka.actor.SupervisorStrategy.Escalate
import akka.actor.SupervisorStrategy.Stop
import akka.actor.actorRef2Scala
/**
* 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 _: IOException => Stop
case _: Exception => Escalate
}
def receive = {
case c @ Open(s) => Try { InternalSerial.open(s.port, s.baud, s.characterSize, s.twoStopBits, s.parity.id) } match {
case Failure(t) => sender ! CommandFailed(c, t)
case Success(serial) => {
val operator = context.actorOf(SerialOperator(serial), name = escapePortString(s.port))
val settings = SerialSettings(serial.port, serial.baud, serial.characterSize, serial.twoStopBits, Parity(serial.parity))
sender.tell(Opened(settings, operator), operator)
}
}
}
}
object SerialManager {
private def escapePortString(port: String) = port collect {
case '/' => '-'
case c => c
}
}
|
