2 files changed, 51 insertions, 26 deletions

diff --git a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
index 5ebc721dd..a502755fd 100644
--- a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
@@ -47,6 +47,7 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
     public static final int MSG_TERMINAL_CONTROL = 0x8105;
     public static final int MSG_TERMINAL_AUTH = 0x0102;
     public static final int MSG_LOCATION_REPORT = 0x0200;
+    public static final int MSG_LOCATION_REPORT_2 = 0x5501;
     public static final int MSG_LOCATION_BATCH = 0x0704;
     public static final int MSG_OIL_CONTROL = 0XA006;
 
@@ -117,7 +118,12 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
         int type = buf.readUnsignedShort();
         buf.readUnsignedShort(); // body length
         ByteBuf id = buf.readSlice(6); // phone number
-        int index = buf.readUnsignedShort();
+        int index;
+        if (type == MSG_LOCATION_REPORT_2) {
+            index = buf.readUnsignedByte();
+        } else {
+            index = buf.readUnsignedShort();
+        }
 
         DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, ByteBufUtil.hexDump(id));
         if (deviceSession == null) {
@@ -147,6 +153,10 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
 
             return decodeLocation(deviceSession, buf);
 
+        } else if (type == MSG_LOCATION_REPORT_2) {
+
+            return decodeLocation2(deviceSession, buf);
+
         } else if (type == MSG_LOCATION_BATCH) {
 
             return decodeLocationBatch(deviceSession, buf);
@@ -279,6 +289,16 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
         return position;
     }
 
+    private Position decodeLocation2(DeviceSession deviceSession, ByteBuf buf) {
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        Jt600ProtocolDecoder.decodeBinaryLocation(buf, position);
+
+        return position;
+    }
+
     private List<Position> decodeLocationBatch(DeviceSession deviceSession, ByteBuf buf) {
 
         List<Position> positions = new LinkedList<>();
diff --git a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
index f456cd1ef..d745153a4 100644
--- a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
@@ -90,6 +90,35 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
         return buf.getUnsignedByte(flagIndex) >> 4 == 0x7;
     }
 
+    static void decodeBinaryLocation(ByteBuf buf, Position position) {
+
+        DateBuilder dateBuilder = new DateBuilder()
+                .setDay(BcdUtil.readInteger(buf, 2))
+                .setMonth(BcdUtil.readInteger(buf, 2))
+                .setYear(BcdUtil.readInteger(buf, 2))
+                .setHour(BcdUtil.readInteger(buf, 2))
+                .setMinute(BcdUtil.readInteger(buf, 2))
+                .setSecond(BcdUtil.readInteger(buf, 2));
+        position.setTime(dateBuilder.getDate());
+
+        double latitude = convertCoordinate(BcdUtil.readInteger(buf, 8));
+        double longitude = convertCoordinate(BcdUtil.readInteger(buf, 9));
+
+        byte flags = buf.readByte();
+        position.setValid((flags & 0x1) == 0x1);
+        if ((flags & 0x2) == 0) {
+            latitude = -latitude;
+        }
+        position.setLatitude(latitude);
+        if ((flags & 0x4) == 0) {
+            longitude = -longitude;
+        }
+        position.setLongitude(longitude);
+
+        position.setSpeed(BcdUtil.readInteger(buf, 2));
+        position.setCourse(buf.readUnsignedByte() * 2.0);
+    }
+
     private List<Position> decodeBinary(ByteBuf buf, Channel channel, SocketAddress remoteAddress) {
 
         List<Position> positions = new LinkedList<>();
@@ -117,31 +146,7 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
             Position position = new Position(getProtocolName());
             position.setDeviceId(deviceSession.getDeviceId());
 
-            DateBuilder dateBuilder = new DateBuilder()
-                    .setDay(BcdUtil.readInteger(buf, 2))
-                    .setMonth(BcdUtil.readInteger(buf, 2))
-                    .setYear(BcdUtil.readInteger(buf, 2))
-                    .setHour(BcdUtil.readInteger(buf, 2))
-                    .setMinute(BcdUtil.readInteger(buf, 2))
-                    .setSecond(BcdUtil.readInteger(buf, 2));
-            position.setTime(dateBuilder.getDate());
-
-            double latitude = convertCoordinate(BcdUtil.readInteger(buf, 8));
-            double longitude = convertCoordinate(BcdUtil.readInteger(buf, 9));
-
-            byte flags = buf.readByte();
-            position.setValid((flags & 0x1) == 0x1);
-            if ((flags & 0x2) == 0) {
-                latitude = -latitude;
-            }
-            position.setLatitude(latitude);
-            if ((flags & 0x4) == 0) {
-                longitude = -longitude;
-            }
-            position.setLongitude(longitude);
-
-            position.setSpeed(BcdUtil.readInteger(buf, 2));
-            position.setCourse(buf.readUnsignedByte() * 2.0);
+            decodeBinaryLocation(buf, position);
 
             if (longFormat) {