From 2507a8183ff78cc75dea82327523d9e151d95920 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 12 Jul 2020 19:10:19 -0700
Subject: Support alternative location report

---
 .../traccar/protocol/HuabaoProtocolDecoder.java    | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

(limited to 'src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java')

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<>();
-- 
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