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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
package akka.serial
package samples.terminal
import akka.actor.{ Actor, ActorLogging, ActorRef, Props, Terminated, actorRef2Scala }
import akka.io.IO
import akka.util.ByteString
class Terminal(port: String, settings: SerialSettings) extends Actor with ActorLogging {
import Terminal._
import context._
val reader = actorOf(Props[ConsoleReader])
log.info(s"Requesting manager to open port: ${port}, baud: ${settings.baud}")
IO(Serial) ! Serial.Open(port, settings)
override def postStop() = {
system.terminate()
}
def receive = {
case Serial.CommandFailed(cmd, reason) => {
log.error(s"Connection failed, stopping terminal. Reason: ${reason}")
context stop self
}
case Serial.Opened(port) => {
log.info(s"Port ${port} is now open.")
val operator = sender
context become opened(operator)
context watch operator
reader ! ConsoleReader.Read
}
}
def opened(operator: ActorRef): Receive = {
case Serial.Received(data) => {
log.info(s"Received data: ${formatData(data)}")
}
case Terminal.Wrote(data) => log.info(s"Wrote data: ${formatData(data)}")
case Serial.Closed => {
log.info("Operator closed normally, exiting terminal.")
context unwatch operator
context stop self
}
case Terminated(`operator`) => {
log.error("Operator crashed, exiting terminal.")
context stop self
}
case ConsoleReader.EOT => {
log.info("Initiating close.")
operator ! Serial.Close
}
case ConsoleReader.ConsoleInput(input) => {
val data = ByteString(input.getBytes)
operator ! Serial.Write(data, length => Wrote(data.take(length)))
reader ! ConsoleReader.Read
}
}
}
object Terminal {
case class Wrote(data: ByteString) extends Serial.Event
def apply(port: String, settings: SerialSettings) = Props(classOf[Terminal], port, settings)
private def formatData(data: ByteString) = data.mkString("[", ",", "]") + " " + (new String(data.toArray, "UTF-8"))
}
|