From e2da4f276230e3687e42b11b4d94889fb3889436 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 8 Mar 2016 23:02:40 +1300
Subject: Extend GpsGate protocol support

---
 .../traccar/protocol/GpsGateProtocolDecoder.java   | 60 ++++++++++++++++++++--
 1 file changed, 55 insertions(+), 5 deletions(-)

(limited to 'src/org/traccar/protocol/GpsGateProtocolDecoder.java')

diff --git a/src/org/traccar/protocol/GpsGateProtocolDecoder.java b/src/org/traccar/protocol/GpsGateProtocolDecoder.java
index 421dc5304..b48fa6266 100644
--- a/src/org/traccar/protocol/GpsGateProtocolDecoder.java
+++ b/src/org/traccar/protocol/GpsGateProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 - 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2013 - 2016 Anton Tananaev (anton.tananaev@gmail.com)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,6 +17,7 @@ package org.traccar.protocol;
 
 import java.net.SocketAddress;
 import java.util.regex.Pattern;
+
 import org.jboss.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.helper.Checksum;
@@ -31,7 +32,7 @@ public class GpsGateProtocolDecoder extends BaseProtocolDecoder {
         super(protocol);
     }
 
-    private static final Pattern PATTERN = new PatternBuilder()
+    private static final Pattern PATTERN_GPRMC = new PatternBuilder()
             .text("$GPRMC,")
             .number("(dd)(dd)(dd).?(d+)?,")      // time
             .expression("([AV]),")               // validity
@@ -45,6 +46,24 @@ public class GpsGateProtocolDecoder extends BaseProtocolDecoder {
             .any()
             .compile();
 
+    private static final Pattern PATTERN_FRCMD = new PatternBuilder()
+            .text("$FRCMD,")
+            .number("(d+),")                     // imei
+            .expression("[^,]*,")                // command
+            .expression("[^,]*,")
+            .number("(dd)(dd.d+),")              // latitude
+            .expression("([NS]),")
+            .number("(ddd)(dd.d+),")             // longitude
+            .expression("([EW]),")
+            .number("(d+.?d*),")                 // altitude
+            .number("(d+.?d*),")                 // speed
+            .number("(d+.?d*),")                 // course
+            .number("(dd)(dd)(dd),")             // date (ddmmyy)
+            .number("(dd)(dd)(dd).?(d+)?,")      // time
+            .expression("([01]),")               // validity
+            .any()
+            .compile();
+
     private void send(Channel channel, String message) {
         if (channel != null) {
             channel.write(message + Checksum.nmea(message) + "\r\n");
@@ -85,10 +104,10 @@ public class GpsGateProtocolDecoder extends BaseProtocolDecoder {
             // Version check
             send(channel, "$FRVER,1,0,GpsGate Server 1.0");
 
-        } else if (sentence.startsWith("$GPRMC,") && hasDeviceId()) {
+        } else if (sentence.startsWith("$GPRMC,")) {
 
-            Parser parser = new Parser(PATTERN, sentence);
-            if (!parser.matches()) {
+            Parser parser = new Parser(PATTERN_GPRMC, sentence);
+            if (!parser.matches() || !hasDeviceId()) {
                 return null;
             }
 
@@ -109,6 +128,37 @@ public class GpsGateProtocolDecoder extends BaseProtocolDecoder {
             position.setTime(dateBuilder.getDate());
 
             return position;
+
+        } else if (sentence.startsWith("$FRCMD,")) {
+
+            Parser parser = new Parser(PATTERN_FRCMD, sentence);
+            if (!parser.matches()) {
+                return null;
+            }
+
+            Position position = new Position();
+            position.setProtocol(getProtocolName());
+
+            if (!identify(parser.next(), channel, remoteAddress)) {
+                return null;
+            }
+            position.setDeviceId(getDeviceId());
+
+            position.setLatitude(parser.nextCoordinate());
+            position.setLongitude(parser.nextCoordinate());
+            position.setAltitude(parser.nextDouble());
+            position.setSpeed(parser.nextDouble());
+            position.setCourse(parser.nextDouble());
+
+            DateBuilder dateBuilder = new DateBuilder()
+                    .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt())
+                    .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt(), parser.nextInt());
+            position.setTime(dateBuilder.getDate());
+
+            position.setValid(parser.next().equals("1"));
+
+            return position;
+
         }
 
         return null;
-- 
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