From 437090f717e66bf3b41f9f812245022a81a827c2 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Mon, 11 Feb 2019 20:26:19 -0800
Subject: Support power on and off messages

---
 .../traccar/protocol/Gl200TextProtocolDecoder.java | 30 ++++++++++++++++++++++
 .../protocol/Gl200TextProtocolDecoderTest.java     |  9 +++++++
 2 files changed, 39 insertions(+)

diff --git a/src/org/traccar/protocol/Gl200TextProtocolDecoder.java b/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
index b258c97bf..aeb57a116 100644
--- a/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
@@ -314,6 +314,18 @@ public class Gl200TextProtocolDecoder extends BaseProtocolDecoder {
             .text("$").optional()
             .compile();
 
+    private static final Pattern PATTERN_PNA = new PatternBuilder()
+            .text("+RESP:GT").expression("P[NF]A,")
+            .number("(?:[0-9A-Z]{2}xxxx)?,")     // protocol version
+            .number("(d{15}|x{14}),")            // imei
+            .expression("[^,]*,")                // device name
+            .number("(dddd)(dd)(dd)")            // date (yyyymmdd)
+            .number("(dd)(dd)(dd)").optional(2)  // time (hhmmss)
+            .text(",")
+            .number("(xxxx)")                    // count number
+            .text("$").optional()
+            .compile();
+
     private static final Pattern PATTERN = new PatternBuilder()
             .text("+").expression("(?:RESP|BUFF):GT...,")
             .number("(?:[0-9A-Z]{2}xxxx)?,")     // protocol version
@@ -1038,6 +1050,20 @@ public class Gl200TextProtocolDecoder extends BaseProtocolDecoder {
         return position;
     }
 
+    private Object decodePna(Channel channel, SocketAddress remoteAddress, String sentence) {
+        Parser parser = new Parser(PATTERN_PNA, sentence);
+        Position position = initPosition(parser, channel, remoteAddress);
+        if (position == null) {
+            return null;
+        }
+
+        getLastLocation(position, null);
+
+        position.set(Position.KEY_ALARM, sentence.contains("PNA") ? Position.ALARM_POWER_ON : Position.ALARM_POWER_OFF);
+
+        return position;
+    }
+
     private Object decodeOther(Channel channel, SocketAddress remoteAddress, String sentence, String type) {
         Parser parser = new Parser(PATTERN, sentence);
         Position position = initPosition(parser, channel, remoteAddress);
@@ -1210,6 +1236,10 @@ public class Gl200TextProtocolDecoder extends BaseProtocolDecoder {
                 case "VER":
                     result = decodeVer(channel, remoteAddress, sentence);
                     break;
+                case "PNA":
+                case "PFA":
+                    result = decodePna(channel, remoteAddress, sentence);
+                    break;
                 default:
                     result = decodeOther(channel, remoteAddress, sentence, type);
                     break;
diff --git a/test/org/traccar/protocol/Gl200TextProtocolDecoderTest.java b/test/org/traccar/protocol/Gl200TextProtocolDecoderTest.java
index ae4201f94..2fe860573 100644
--- a/test/org/traccar/protocol/Gl200TextProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/Gl200TextProtocolDecoderTest.java
@@ -2,6 +2,7 @@ package org.traccar.protocol;
 
 import org.junit.Test;
 import org.traccar.ProtocolTest;
+import org.traccar.model.Position;
 
 public class Gl200TextProtocolDecoderTest extends ProtocolTest {
 
@@ -10,6 +11,14 @@ public class Gl200TextProtocolDecoderTest extends ProtocolTest {
 
         Gl200TextProtocolDecoder decoder = new Gl200TextProtocolDecoder(null);
 
+        verifyAttribute(decoder, buffer(
+                "+RESP:GTPFA,F50201,866425030235982,GL300M,20190208124849,0BD4$"),
+                Position.KEY_ALARM, Position.ALARM_POWER_OFF);
+
+        verifyAttribute(decoder, buffer(
+                "+RESP:GTPNA,F50201,866425030235982,GL300M,20190208124909,0BD5$"),
+                Position.KEY_ALARM, Position.ALARM_POWER_ON);
+
         verifyAttributes(decoder, buffer(
                 "+BUFF:GTSTC,410301,864802030022424,,,0,,,,,,,0228,0002,4EE8,1BFF489,00,20181207134332,EC90$"));
 
-- 
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