From 71f894ef66fe8ce84eaa32c2771efb53cfd47de4 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Fri, 5 Jun 2020 23:46:59 -0700
Subject: Workaround for zeroed LBS data

---
 src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/main/java/org/traccar')

diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index 8d83638a0..b222cbf58 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -253,6 +253,16 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
         if (hasLength) {
             length = buf.readUnsignedByte();
             if (length == 0) {
+                boolean zeroedData = true;
+                for (int i = buf.readerIndex() + 9; i < buf.readerIndex() + 45 && i < buf.writerIndex(); i++) {
+                    if (buf.getByte(i) != 0) {
+                        zeroedData = false;
+                        break;
+                    }
+                }
+                if (zeroedData) {
+                    buf.skipBytes(Math.min(buf.readableBytes(), 45));
+                }
                 return false;
             }
         }
-- 
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