From c00fd59ecf8739e47a4f2460bbb4802f4cead1a1 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Thu, 30 Jan 2020 22:37:36 -0800
Subject: Decode cell towers info

---
 .../org/traccar/protocol/HuaShengProtocolDecoder.java    | 16 +++++++++++++++-
 .../traccar/protocol/HuaShengProtocolDecoderTest.java    |  3 +++
 2 files changed, 18 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
index 9449e2d5c..920898039 100644
--- a/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2020 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,6 +25,8 @@ import org.traccar.Protocol;
 import org.traccar.helper.BitUtil;
 import org.traccar.helper.DateBuilder;
 import org.traccar.helper.UnitsConverter;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
 import org.traccar.model.Position;
 
 import java.net.SocketAddress;
@@ -161,6 +163,18 @@ public class HuaShengProtocolDecoder extends BaseProtocolDecoder {
                         position.set(
                                 Position.KEY_VIN, buf.readCharSequence(length, StandardCharsets.US_ASCII).toString());
                         break;
+                    case 0x0020:
+                        Network network = new Network();
+                        String[] cells = buf.readCharSequence(
+                                length, StandardCharsets.US_ASCII).toString().split("\\+");
+                        for (String cell : cells) {
+                            String[] values = cell.split("@");
+                            network.addCellTower(CellTower.from(
+                                    Integer.parseInt(values[0]), Integer.parseInt(values[1]),
+                                    Integer.parseInt(values[2], 16), Integer.parseInt(values[3], 16)));
+                        }
+                        position.setNetwork(network);
+                        break;
                     default:
                         buf.skipBytes(length);
                         break;
diff --git a/src/test/java/org/traccar/protocol/HuaShengProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/HuaShengProtocolDecoderTest.java
index 6033bc744..b624f69ab 100644
--- a/src/test/java/org/traccar/protocol/HuaShengProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HuaShengProtocolDecoderTest.java
@@ -16,6 +16,9 @@ public class HuaShengProtocolDecoderTest extends ProtocolTest {
         verifyNull(decoder, binary(
                 "c000000077aa0200000000000e000100143347315f48312e315f56312e30372e54000300133335353835353035303434303635380004000b3531323030303000050005010006000400070004000800050000090018383936313032353431343533333239313833360d000a000f796573696e7465726e6574c0"));
 
+        verifyNotNull(decoder, binary(
+                "c000000077aa00000000000070020000003230303132373035313635330000000000000000000000000000000000010015ffffffff000000000000019dffffffffff0005000a1f00000e455a00200019313238354031406666666540386233663930634030000f0013333536373236313038313335343530c0"));
+
         verifyPosition(decoder, binary(
                 "c000000060aa000000000000fa8000000031393037303431363434323700e9900affd61c1b00000000003a000000010015ffffff0000000000000004c2ffffffffff0005000a0d080000ca6a000900155741555a5a5a344730454e313133373233c0"));
 
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