From 9702fc67d842017f27832abd3b8edba47cda0f4f Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Mon, 17 May 2021 21:47:03 -0700
Subject: Decode additional data (fix #4677)

---
 src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java   | 11 +++++++++++
 .../java/org/traccar/protocol/Gt06ProtocolDecoderTest.java    |  4 ++++
 2 files changed, 15 insertions(+)

diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index b7d6d2595..f60cead10 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -877,6 +877,17 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
             position.set("driverLicense", data.trim());
         }
 
+        if (type == MSG_GPS_LBS_1 && buf.readableBytes() == 18) {
+            decodeStatus(position, buf);
+            position.set("oil", buf.readUnsignedShort());
+            int temperature = buf.readUnsignedByte();
+            if (BitUtil.check(temperature, 7)) {
+                temperature = -BitUtil.to(temperature, 7);
+            }
+            position.set(Position.PREFIX_TEMP + 1, temperature);
+            position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 10);
+        }
+
         if (type == MSG_GPS_LBS_1 && buf.readableBytes() == 2 + 6) {
             int mask = buf.readUnsignedShort();
             position.set(Position.KEY_IGNITION, BitUtil.check(mask, 8 + 7));
diff --git a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
index d45d7acd9..f285fde97 100644
--- a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
@@ -17,6 +17,10 @@ public class Gt06ProtocolDecoderTest extends ProtocolTest {
         verifyNull(decoder, binary(
                 "78780D01086471700328358100093F040D0A"));
 
+        verifyAttribute(decoder, binary(
+                "78782b1215050d03041bcf031ff30a0be795bc001c17014e14a065dd95314504b6040000001c00000cd90ab8fb6f0d0a"),
+                Position.PREFIX_TEMP + 1, 0);
+
         verifyAttribute(decoder, binary(
                 "7878151330802b00000642014f0008720000802b5ee4d4c90d0a"),
                 Position.KEY_BATTERY_LEVEL, 6);
-- 
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