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authorJakob Odersky <jakob@odersky.com>2016-05-16 15:28:59 -0700
committerJakob Odersky <jakob@odersky.com>2016-06-09 03:30:35 -0700
commit92c4b3d41e06ad4b89004212c85248e9e6cd61d7 (patch)
tree69470f7c4ed48edaebea91964d7d552e7eaacf0d /flow-samples/terminal/src/main/scala/ch/jodersky/flow/samples/terminal/Terminal.scala
parentf6f26c2c9e3ec9bdd45fb384483b3450bef5984a (diff)
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Move project to `ch.jodersky` and upgrade sbt-jni
Diffstat (limited to 'flow-samples/terminal/src/main/scala/ch/jodersky/flow/samples/terminal/Terminal.scala')
-rw-r--r--flow-samples/terminal/src/main/scala/ch/jodersky/flow/samples/terminal/Terminal.scala75
1 files changed, 75 insertions, 0 deletions
diff --git a/flow-samples/terminal/src/main/scala/ch/jodersky/flow/samples/terminal/Terminal.scala b/flow-samples/terminal/src/main/scala/ch/jodersky/flow/samples/terminal/Terminal.scala
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--- /dev/null
+++ b/flow-samples/terminal/src/main/scala/ch/jodersky/flow/samples/terminal/Terminal.scala
@@ -0,0 +1,75 @@
+package ch.jodersky.flow
+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"))
+
+}