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-rw-r--r--flow-samples/terminal/src/main/scala/com/github/jodersky/flow/samples/terminal/Terminal.scala91
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