From 0ab8827dcfd144727f8470008f71fc49fa67618c Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Thu, 6 Jan 2022 23:15:37 -0800
Subject: Send time response

---
 .../org/traccar/protocol/HuabaoProtocolDecoder.java     | 17 ++++++++++++++++-
 .../org/traccar/protocol/HuabaoProtocolDecoderTest.java |  3 +++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
index aa85ea061..0ae08af37 100644
--- a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
@@ -34,7 +34,10 @@ import org.traccar.model.Position;
 
 import java.net.SocketAddress;
 import java.nio.charset.StandardCharsets;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
 import java.util.Calendar;
+import java.util.Date;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.TimeZone;
@@ -149,7 +152,19 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
         ByteBuf buf = (ByteBuf) msg;
 
         if (buf.getByte(buf.readerIndex()) == '(') {
-            return decodeResult(channel, remoteAddress, buf.toString(StandardCharsets.US_ASCII));
+            String sentence = buf.toString(StandardCharsets.US_ASCII);
+            if (sentence.contains("BASE,2")) {
+                DateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss");
+                dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
+                String response = sentence.replace("TIME", dateFormat.format(new Date()));
+                if (channel != null) {
+                    channel.writeAndFlush(new NetworkMessage(
+                            Unpooled.copiedBuffer(response, StandardCharsets.US_ASCII), remoteAddress));
+                }
+                return null;
+            } else {
+                return decodeResult(channel, remoteAddress, sentence);
+            }
         }
 
         buf.readUnsignedByte(); // start marker
diff --git a/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
index 238799fac..7aaec33e7 100644
--- a/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
@@ -11,6 +11,9 @@ public class HuabaoProtocolDecoderTest extends ProtocolTest {
 
         var decoder = new HuabaoProtocolDecoder(null);
 
+        verifyNull(decoder, buffer(
+                "(794104004140,1,001,BASE,2,TIME)"));
+
         verifyNull(decoder, binary(
                 "7E01000021013345678906000F002C012F373031313142534A2D4D3742203030303030303001D4C1423838383838B47E"));
 
-- 
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