From 44241abf9dbafaec4faa982e673ebf1d447176fd Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 22 Jul 2020 22:34:41 -0700
Subject: Add acknowledgement message

---
 .../org/traccar/protocol/HuabaoProtocolDecoder.java    | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

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

diff --git a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
index 40b05cbab..335dcd796 100644
--- a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
@@ -44,6 +44,7 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
     }
 
     public static final int MSG_GENERAL_RESPONSE = 0x8001;
+    public static final int MSG_GENERAL_RESPONSE_2 = 0x4401;
     public static final int MSG_TERMINAL_REGISTER = 0x0100;
     public static final int MSG_TERMINAL_REGISTER_RESPONSE = 0x8100;
     public static final int MSG_TERMINAL_CONTROL = 0x8105;
@@ -82,6 +83,17 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
         }
     }
 
+    private void sendGeneralResponse2(
+            Channel channel, SocketAddress remoteAddress, ByteBuf id, int index) {
+        if (channel != null) {
+            ByteBuf response = Unpooled.buffer();
+            response.writeShort(index);
+            response.writeByte(RESULT_SUCCESS);
+            channel.writeAndFlush(new NetworkMessage(
+                    formatMessage(MSG_GENERAL_RESPONSE_2, id, response), remoteAddress));
+        }
+    }
+
     private String decodeAlarm(long value) {
         if (BitUtil.check(value, 0)) {
             return Position.ALARM_SOS;
@@ -123,7 +135,7 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
 
         buf.readUnsignedByte(); // start marker
         int type = buf.readUnsignedShort();
-        buf.readUnsignedShort(); // body length
+        int attribute = buf.readUnsignedShort();
         ByteBuf id = buf.readSlice(6); // phone number
         int index;
         if (type == MSG_LOCATION_REPORT_2 || type == MSG_LOCATION_REPORT_BLIND) {
@@ -162,6 +174,10 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
 
         } else if (type == MSG_LOCATION_REPORT_2 || type == MSG_LOCATION_REPORT_BLIND) {
 
+            if (BitUtil.check(attribute, 15)) {
+                sendGeneralResponse2(channel, remoteAddress, id, index);
+            }
+
             return decodeLocation2(deviceSession, buf, type);
 
         } else if (type == MSG_LOCATION_BATCH) {
-- 
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