From dac5c6923044572b0714e29dfae650888332c920 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Fri, 19 Feb 2016 11:24:29 +1300
Subject: Workaround for GT06 length issue (fix #1727)

---
 src/org/traccar/protocol/Gt06FrameDecoder.java | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src')

diff --git a/src/org/traccar/protocol/Gt06FrameDecoder.java b/src/org/traccar/protocol/Gt06FrameDecoder.java
index ed0d8d548..21f5c8b52 100644
--- a/src/org/traccar/protocol/Gt06FrameDecoder.java
+++ b/src/org/traccar/protocol/Gt06FrameDecoder.java
@@ -37,6 +37,12 @@ public class Gt06FrameDecoder extends FrameDecoder {
 
         if (buf.getByte(buf.readerIndex()) == 0x78) {
             length += 1 + buf.getUnsignedByte(buf.readerIndex() + 2);
+
+            int type = buf.getUnsignedByte(buf.readerIndex() + 3);
+            if (type == Gt06ProtocolDecoder.MSG_STATUS && length == 13) {
+                length += 2; // workaround for #1727
+            }
+
         } else {
             length += 2 + buf.getUnsignedShort(buf.readerIndex() + 2);
         }
-- 
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