From 406804f146a059ee318aed6121e9d749ae4a85dc Mon Sep 17 00:00:00 2001
From: MaximZaitsev <AnterKan1@gmail.com>
Date: Wed, 17 Aug 2016 15:48:32 +0300
Subject: [PATCH] add check of node in /dev on start mc (more dont need reboot
 MC after start server)

---
 car_srv/kotlinSrv/src/Udev.kt | 46 ++++++++++++++++++++++++++---------
 1 file changed, 34 insertions(+), 12 deletions(-)

diff --git a/car_srv/kotlinSrv/src/Udev.kt b/car_srv/kotlinSrv/src/Udev.kt
index 55c0f2f6467..8cabde50867 100644
--- a/car_srv/kotlinSrv/src/Udev.kt
+++ b/car_srv/kotlinSrv/src/Udev.kt
@@ -13,24 +13,46 @@ class Udev {
 
     fun start() {
         val monitor = udev.monitor()
-        val microController = MicroController.instance
         monitor.on("add", { device ->
-            if (device.ID_VENDOR_ID == microController.vendorID && device.ID_MODEL_ID == microController.modelID && device.SUBSYSTEM == "tty") {
-                //mc connected
-                println("mc connected. transport file is " + device.DEVNAME)
-                microController.transportFilePath = device.DEVNAME;
-                mcTransport.initStreams(device.DEVNAME)
-                exec("stty -F ${MicroController.instance.transportFilePath} raw -echo -echoe -echok")
+            if (isOurMcDevice(device)) {
+                connectDevice(device)
             }
         })
 
         monitor.on("remove", { device ->
-            if (device.ID_VENDOR_ID == microController.vendorID && device.ID_MODEL_ID == microController.modelID && device.SUBSYSTEM == "tty") {
-                //mc disconnected
-                println("mc disconnected")
-                microController.transportFilePath = ""
-                mcTransport.closeStreams()
+            if (isOurMcDevice(device)) {
+                disconnectDevice(device)
             }
         })
+
+        readFileIfMcConnected()
+    }
+
+    fun isOurMcDevice(device: dynamic): Boolean {
+        val microController = MicroController.instance
+        return device.ID_VENDOR_ID == microController.vendorID && device.ID_MODEL_ID == microController.modelID && device.SUBSYSTEM == "tty"
+    }
+
+    fun disconnectDevice(device: dynamic) {
+        println("mc disconnected")
+        MicroController.instance.transportFilePath = ""
+        mcTransport.closeStreams()
+    }
+
+    fun connectDevice(device: dynamic) {
+        println("mc connected. transport file is " + device.DEVNAME)
+        MicroController.instance.transportFilePath = device.DEVNAME;
+        mcTransport.initStreams(device.DEVNAME)
+        exec("stty -F ${MicroController.instance.transportFilePath} raw -echo -echoe -echok")
+    }
+
+    fun readFileIfMcConnected() {
+        val allTtyDevices = udev.list("tty")
+        for (device in allTtyDevices) {
+            if (isOurMcDevice(device)) {
+                connectDevice(device)
+                break
+            }
+        }
     }
 }
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