From dcdbbf298e91e04c36c0310ac9c3314000d8781f Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Mon, 16 May 2022 17:46:25 -0700
Subject: Support Farnear alarms

---
 .../org/traccar/protocol/GotopProtocolDecoder.java    | 19 +++++++++++++++----
 .../traccar/protocol/GotopProtocolDecoderTest.java    | 14 +++++++++++++-
 2 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/src/main/java/org/traccar/protocol/GotopProtocolDecoder.java b/src/main/java/org/traccar/protocol/GotopProtocolDecoder.java
index a867451aa..0f8d29228 100644
--- a/src/main/java/org/traccar/protocol/GotopProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/GotopProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 - 2019 Anton Tananaev (anton@traccar.org)
+ * Copyright 2013 - 2022 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.
@@ -35,7 +35,7 @@ public class GotopProtocolDecoder extends BaseProtocolDecoder {
 
     private static final Pattern PATTERN = new PatternBuilder()
             .number("(d+),")                     // imei
-            .expression("[^,]+,")                // type
+            .expression("([^,]+),")              // type
             .expression("([AV]),")               // validity
             .number("DATE:(dd)(dd)(dd),")        // date (yyddmm)
             .number("TIME:(dd)(dd)(dd),")        // time (hhmmss)
@@ -56,14 +56,25 @@ public class GotopProtocolDecoder extends BaseProtocolDecoder {
             return null;
         }
 
-        Position position = new Position(getProtocolName());
-
         DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
         if (deviceSession == null) {
             return null;
         }
+
+        Position position = new Position(getProtocolName());
         position.setDeviceId(deviceSession.getDeviceId());
 
+        String type = parser.next();
+        if (type.equals("CMD-KEY")) {
+            position.set(Position.KEY_ALARM, Position.ALARM_SOS);
+        } else if (type.startsWith("ALM-B")) {
+            if (Character.getNumericValue(type.charAt(5)) % 2 > 0) {
+                position.set(Position.KEY_ALARM, Position.ALARM_GEOFENCE_ENTER);
+            } else {
+                position.set(Position.KEY_ALARM, Position.ALARM_GEOFENCE_EXIT);
+            }
+        }
+
         position.setValid(parser.next().equals("A"));
 
         position.setTime(parser.nextDateTime());
diff --git a/src/test/java/org/traccar/protocol/GotopProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GotopProtocolDecoderTest.java
index bae187959..373858c79 100644
--- a/src/test/java/org/traccar/protocol/GotopProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GotopProtocolDecoderTest.java
@@ -2,6 +2,7 @@ package org.traccar.protocol;
 
 import org.junit.Test;
 import org.traccar.ProtocolTest;
+import org.traccar.model.Position;
 
 public class GotopProtocolDecoderTest extends ProtocolTest {
 
@@ -12,7 +13,18 @@ public class GotopProtocolDecoderTest extends ProtocolTest {
 
         verifyNull(decoder, text(
                 ""));
-        
+
+        verifyAttribute(decoder, text(
+                "867688033841044,ALM-B1-1,A,DATE:190622,TIME:144956,LAT:22.7193976N,LON:114.3878200E,Speed:000.1,100-22,03.72"),
+                Position.KEY_ALARM, Position.ALARM_GEOFENCE_ENTER);
+
+        verifyAttribute(decoder, text(
+                "860264050778076,CMD-KEY,V,DATE:220516,TIME:090224,LAT:48.7592616N,LON:003.4658121W,Speed:000.0,057-21,01.60"),
+                Position.KEY_ALARM, Position.ALARM_SOS);
+
+        verifyPosition(decoder, text(
+                "860264050778076,CMD-T,A,DATE:220516,TIME:100627,LAT:48.7636978N,LON:003.4652398W,Speed:051.4,077-24,01.00,WIFI:{84-a0-6e-94-42-5e&-47,b2-22-7a-56-5a-2a&-48,b4-b0-24-09-91-d4&-76,18-3c-b7-1f-da-67&-83,08-86-3b-94-78-44&-85,40-24-b2-c5-0f-5e&-87,b0-e5-ed-4e-06-61&-87,60-1d-9d-a6-d2-5d&-88,14-eb-b6-a5-55-8c&-88,40-18-b1-d7-28-54&-88},BLE:{1f-cf-4d-3c-61-bf&-91,39-82-d0-ba-34-69&-57,df-3a-31-ac-ad-72&-73,7c-d9-f4-11-0b-a0&-78,03-b5-9f-45-bd-0d&-88}"));
+
         verifyNull(decoder, text(
                 "353327020412763,CMD-X"));
 
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