From 445683b87ee7aa33e8a5af29c35280ebdbb45a39 Mon Sep 17 00:00:00 2001
From: vadym <vadym.vikulin@gmail.com>
Date: Wed, 5 Aug 2020 14:25:14 -0700
Subject: [PATCH] 1. buffered read fix

---
 .../io/github/chronosx88/yggdrasil/YggdrasilTunService.kt   | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/io/github/chronosx88/yggdrasil/YggdrasilTunService.kt b/app/src/main/java/io/github/chronosx88/yggdrasil/YggdrasilTunService.kt
index 60af9df..97adb9e 100644
--- a/app/src/main/java/io/github/chronosx88/yggdrasil/YggdrasilTunService.kt
+++ b/app/src/main/java/io/github/chronosx88/yggdrasil/YggdrasilTunService.kt
@@ -215,8 +215,10 @@ class YggdrasilTunService : VpnService() {
     private fun readPacketsFromTun(yggConduitEndpoint: ConduitEndpoint, buffer: ByteArray) {
         try {
             // Read the outgoing packet from the input stream.
-            val length = tunInputStream.read(buffer)
-            yggConduitEndpoint.send(buffer.sliceArray(IntRange(0, length - 1)))
+            val length = tunInputStream.buffered().read(buffer)
+            if(length>0) {
+                yggConduitEndpoint.send(buffer.sliceArray(IntRange(0, length - 1)))
+            }
         } catch (e: IOException) {
             e.printStackTrace()
         }