From decde70bcf90490a3fe8d24a9bd43a17074af718 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 26 May 2019 15:13:01 -0700
Subject: Decode status messages

---
 .../traccar/protocol/TechTltProtocolDecoder.java   | 53 ++++++++++++++++++++--
 1 file changed, 49 insertions(+), 4 deletions(-)

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

diff --git a/src/main/java/org/traccar/protocol/TechTltProtocolDecoder.java b/src/main/java/org/traccar/protocol/TechTltProtocolDecoder.java
index bad289060..046e7a748 100644
--- a/src/main/java/org/traccar/protocol/TechTltProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/TechTltProtocolDecoder.java
@@ -35,6 +35,15 @@ public class TechTltProtocolDecoder extends BaseProtocolDecoder {
         super(protocol);
     }
 
+    private static final Pattern PATTERN_STATUS = new PatternBuilder()
+            .number("(d+),")                     // id
+            .text("INFOGPRS,")
+            .number("V Bat=(d+.d),")             // battery
+            .number("TEMP=(d+),")                // temperature
+            .expression("[^,]*,")
+            .number("(d+)")                      // rssi
+            .compile();
+
     private static final Pattern PATTERN_POSITION = new PatternBuilder()
             .number("(d+)")                      // id
             .text("*POS=Y,")
@@ -52,11 +61,33 @@ public class TechTltProtocolDecoder extends BaseProtocolDecoder {
             .number("(d+)")                      // cid
             .compile();
 
-    @Override
-    protected Object decode(
-            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+    private Position decodeStatus(Channel channel, SocketAddress remoteAddress, String sentence) {
 
-        Parser parser = new Parser(PATTERN_POSITION, (String) msg);
+        Parser parser = new Parser(PATTERN_STATUS, 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());
+
+        getLastLocation(position, null);
+
+        position.set(Position.KEY_BATTERY, parser.nextDouble());
+        position.set(Position.KEY_DEVICE_TEMP, parser.nextInt());
+        position.set(Position.KEY_RSSI, parser.nextInt());
+
+        return position;
+    }
+
+    private Position decodeLocation(Channel channel, SocketAddress remoteAddress, String sentence) {
+
+        Parser parser = new Parser(PATTERN_POSITION, sentence);
         if (!parser.matches()) {
             return null;
         }
@@ -84,4 +115,18 @@ public class TechTltProtocolDecoder extends BaseProtocolDecoder {
         return position;
     }
 
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        String sentence = (String) msg;
+        if (sentence.contains("INFO")) {
+            return decodeStatus(channel, remoteAddress, sentence);
+        } else if (sentence.contains("POS")) {
+            return decodeLocation(channel, remoteAddress, sentence);
+        } else {
+            return null;
+        }
+    }
+
 }
-- 
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