From 01429a90583b221a84e5d40a9acc654377b41f52 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 18 Oct 2020 15:19:53 -0700
Subject: Support custom protocol

---
 .../org/traccar/protocol/T55ProtocolDecoder.java   | 48 +++++++++++++++++++++-
 1 file changed, 47 insertions(+), 1 deletion(-)

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

diff --git a/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java b/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java
index b75addfae..230d29216 100644
--- a/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 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.
@@ -24,6 +24,7 @@ import org.traccar.Protocol;
 import org.traccar.helper.DateBuilder;
 import org.traccar.helper.Parser;
 import org.traccar.helper.PatternBuilder;
+import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Position;
 
 import java.net.SocketAddress;
@@ -109,6 +110,20 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
             .any()
             .compile();
 
+    private static final Pattern PATTERN_QZE = new PatternBuilder()
+            .text("QZE,")
+            .number("(d{15}),")                  // imei
+            .number("(d+),")                     // event
+            .number("(dd)(dd)(dddd),")           // date (mmddyyyy)
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .number("(-?d+.d+),")                // latitude
+            .number("(-?d+.d+),")                // longitude
+            .number("(d+),")                     // speed
+            .number("(d+),")                     // course
+            .expression("([AV]),")               // validity
+            .expression("([01])")                // ignition
+            .compile();
+
     private Position position = null;
 
     private Position decodeGprmc(
@@ -256,6 +271,35 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
         return position;
     }
 
+    private Position decodeQze(Channel channel, SocketAddress remoteAddress, String sentence) {
+
+        Parser parser = new Parser(PATTERN_QZE, sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+        if (deviceSession == null) {
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        position.set(Position.KEY_EVENT, parser.nextInt());
+
+        position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
+        position.setLatitude(parser.nextDouble());
+        position.setLongitude(parser.nextDouble());
+        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
+        position.setCourse(parser.nextInt());
+        position.setValid(parser.next().equals("A"));
+
+        position.set(Position.KEY_IGNITION, parser.nextInt() > 0);
+
+        return position;
+    }
+
     @Override
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -308,6 +352,8 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
             return decodeTrccr(deviceSession, sentence);
         } else if (sentence.startsWith("$GPIOP")) {
             return decodeGpiop(deviceSession, sentence);
+        } else if (sentence.startsWith("QZE")) {
+            return decodeQze(channel, remoteAddress, sentence);
         }
 
         return null;
-- 
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