From 83c66842e675eee90f59080d37c919e0e7fed4df Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 12 Jun 2021 13:36:08 -0700
Subject: Support extended Portman format

---
 .../traccar/protocol/PortmanProtocolDecoder.java   | 83 ++++++++++++++++++++--
 1 file changed, 76 insertions(+), 7 deletions(-)

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

diff --git a/src/main/java/org/traccar/protocol/PortmanProtocolDecoder.java b/src/main/java/org/traccar/protocol/PortmanProtocolDecoder.java
index 7d734c9b1..ebb93abd6 100644
--- a/src/main/java/org/traccar/protocol/PortmanProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/PortmanProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Anton Tananaev (anton@traccar.org)
+ * Copyright 2020 - 2021 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.
@@ -33,9 +33,9 @@ public class PortmanProtocolDecoder extends BaseProtocolDecoder {
         super(protocol);
     }
 
-    private static final Pattern PATTERN = new PatternBuilder()
+    private static final Pattern PATTERN_STANDARD = new PatternBuilder()
             .text("$PTMLA,")                     // header
-            .number("(d+),")                     // imei
+            .expression("([^,]+),")              // id
             .expression("([ABCL]),")             // validity
             .number("(dd)(dd)(dd)")              // date (yymmdd)
             .number("(dd)(dd)(dd),")             // time (hhmmss)
@@ -55,11 +55,9 @@ public class PortmanProtocolDecoder extends BaseProtocolDecoder {
             .number("(?:G(d+)|[^,]*)")           // fuel
             .compile();
 
-    @Override
-    protected Object decode(
-            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+    private Object decodeStandard(Channel channel, SocketAddress remoteAddress, String sentence) {
 
-        Parser parser = new Parser(PATTERN, (String) msg);
+        Parser parser = new Parser(PATTERN_STANDARD, sentence);
         if (!parser.matches()) {
             return null;
         }
@@ -91,4 +89,75 @@ public class PortmanProtocolDecoder extends BaseProtocolDecoder {
         return position;
     }
 
+    private static final Pattern PATTERN_EXTENDED = new PatternBuilder()
+            .text("$EXT,")                        // header
+            .expression("([^,]+),")              // id
+            .expression("([ABCL]),")             // validity
+            .number("(dd)(dd)(dd)")              // date (yymmdd)
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .expression("([NS])")
+            .number("(dd)(dd.d+)")               // latitude
+            .expression("([EW])")
+            .number("(d{2,3})(dd.d+),")          // longitude
+            .number("(d+),")                     // speed
+            .number("(d+),")                     // course
+            .number("(?:NA|C(-?d+)),")           // temperature
+            .number("(?:NA|F(d+)),")             // fuel
+            .number("(d+),")                     // satellites
+            .number("(d+),")                     // rssi
+            .number("(d+.d+),")                  // odometer
+            .number("(?:NA|(d+)),")              // card id
+            .number("(x{8}),")                   // status
+            .number("(d+)")                      // event
+            .any()
+            .compile();
+
+    private Object decodeExtended(Channel channel, SocketAddress remoteAddress, String sentence) {
+
+        Parser parser = new Parser(PATTERN_EXTENDED, 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.setValid(!parser.next().equals("L"));
+        position.setTime(parser.nextDateTime());
+        position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
+        position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN));
+        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
+        position.setCourse(parser.nextInt());
+
+        position.set(Position.PREFIX_TEMP + 1, parser.next());
+        position.set(Position.KEY_FUEL_LEVEL, parser.nextInt());
+        position.set(Position.KEY_SATELLITES, parser.nextInt());
+        position.set(Position.KEY_RSSI, parser.nextInt());
+        position.set(Position.KEY_ODOMETER, parser.nextDouble() * 1000);
+        position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next());
+        position.set(Position.KEY_STATUS, parser.nextHexLong());
+        position.set(Position.KEY_EVENT, parser.nextInt());
+
+        return position;
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        String sentence = (String) msg;
+        if (sentence.startsWith("$PTMLA")) {
+            return decodeStandard(channel, remoteAddress, sentence);
+        } else if (sentence.startsWith("$EXT")) {
+            return decodeExtended(channel, remoteAddress, sentence);
+        } else {
+            return null;
+        }
+    }
+
 }
-- 
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