diff options
Diffstat (limited to 'flow-samples/terminal/src/main/scala/com/github/jodersky/flow/samples/terminal/Terminal.scala')
-rw-r--r-- | flow-samples/terminal/src/main/scala/com/github/jodersky/flow/samples/terminal/Terminal.scala | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/flow-samples/terminal/src/main/scala/com/github/jodersky/flow/samples/terminal/Terminal.scala b/flow-samples/terminal/src/main/scala/com/github/jodersky/flow/samples/terminal/Terminal.scala new file mode 100644 index 0000000..cf75d98 --- /dev/null +++ b/flow-samples/terminal/src/main/scala/com/github/jodersky/flow/samples/terminal/Terminal.scala @@ -0,0 +1,91 @@ +package com.github.jodersky.flow.samples.terminal + +import com.github.jodersky.flow.Serial +import com.github.jodersky.flow.Serial.Close +import com.github.jodersky.flow.Serial.Closed +import com.github.jodersky.flow.Serial.CommandFailed +import com.github.jodersky.flow.Serial.Event +import com.github.jodersky.flow.Serial.Opened +import com.github.jodersky.flow.Serial.Received +import com.github.jodersky.flow.Serial.Write +import com.github.jodersky.flow.SerialSettings + +import akka.actor.Actor +import akka.actor.ActorLogging +import akka.actor.ActorRef +import akka.actor.Props +import akka.actor.Terminated +import akka.actor.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.shutdown() + } + + def receive = { + case CommandFailed(cmd, reason) => { + log.error(s"Connection failed, stopping terminal. Reason: ${reason}") + context stop self + } + case 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 Received(data) => { + log.info(s"Received data: ${formatData(data)}") + } + + case Wrote(data) => log.info(s"Wrote data: ${formatData(data)}") + + case 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 ! Close + } + + case ConsoleReader.ConsoleInput(input) => { + val data = ByteString(input.getBytes) + operator ! Write(data, length => Wrote(data.take(length))) + reader ! ConsoleReader.Read + } + } + + + +} + +object Terminal { + case class Wrote(data: ByteString) extends 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")) + +}
\ No newline at end of file |