add error msg if try send data on mc and he is disconnect

car_srv/kotlinSrv/src/McTransport.kt

@@ -12,7 +12,7 @@ class McTransport() {
     fun writeToFile(bytes: ByteArray) {
         println("write: " + bytes)
         val bytesTemp = bytes
-        writeStream.write(js("new Buffer(bytesTemp)"));
+        writeStream.write(js("new Buffer(bytesTemp)"))
     }
 
     fun writeToFile(byte: Byte) {

car_srv/kotlinSrv/src/MicroController.kt

@@ -32,12 +32,8 @@ class MicroController private constructor() {
 
     fun start() {
 
-        if (!isConnected()) {
-            connectToServer(config.getCarIp(), serverPort)
-        }
+        connectToServer(config.getCarIp(), serverPort)
 
-//        this.transportFilePath = "./testTtyAcm"//todo need init
-//        mcTransport.initStreams(transportFilePath)
         mcTransport.setCallBack { bytes ->
             println("read: " + bytes.toString())
         }
@@ -89,7 +85,7 @@ class MicroController private constructor() {
     }
 
     fun isConnected(): Boolean {
-        return uid != 0
+        return transportFilePath != ""
     }
 
     fun rcHeartBeat(sid: Int) {

car_srv/kotlinSrv/src/net/server/handlers/main/SetRoute.kt

@@ -3,6 +3,7 @@ package net.server.handlers.main
 import net.server.handlers.AbstractHandler
 import CodedInputStream
 import encodeProtoBuf
+import mcTransport
 
 /**
  * Created by user on 7/28/16.
@@ -21,6 +22,12 @@ class SetRoute : AbstractHandler {
         val car = MicroController.instance.car
         val message = fromServerObjectBuilder.build()
         message.mergeFrom(CodedInputStream(data))
+        if (!MicroController.instance.isConnected()) {
+            println("mc is disconnected!")
+            val responseMessage = toServerObjectBuilder.setCode(16).build()
+            callback.invoke(encodeProtoBuf(responseMessage))
+            return
+        }
         car.routeExecutor.executeRoute(message)
         val responseMessage = toServerObjectBuilder.setCode(0).build()
         callback.invoke(encodeProtoBuf(responseMessage))