From b0151a400565a0affab756ff02e183d269220be9 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 16 Dec 2017 14:38:38 +1300
Subject: [PATCH] Handle short Totem messages

---
 src/org/traccar/protocol/TotemFrameDecoder.java      | 5 ++---
 test/org/traccar/protocol/TotemFrameDecoderTest.java | 4 ++++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/org/traccar/protocol/TotemFrameDecoder.java b/src/org/traccar/protocol/TotemFrameDecoder.java
index 6c9b1455909..70dc5db3bf4 100644
--- a/src/org/traccar/protocol/TotemFrameDecoder.java
+++ b/src/org/traccar/protocol/TotemFrameDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 Anton Tananaev (anton@traccar.org)
+ * Copyright 2013 - 2017 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.
@@ -42,8 +42,7 @@ protected Object decode(
 
         int length;
 
-        int separatorIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '|');
-        if (separatorIndex > 0 && separatorIndex - beginIndex > 19) {
+        if (buf.getByte(buf.readerIndex() + 2) == (byte) '0') {
             length = Integer.parseInt(buf.toString(buf.readerIndex() + 2, 4, StandardCharsets.US_ASCII));
         } else {
             length = Integer.parseInt(buf.toString(buf.readerIndex() + 2, 2, StandardCharsets.US_ASCII), 16);
diff --git a/test/org/traccar/protocol/TotemFrameDecoderTest.java b/test/org/traccar/protocol/TotemFrameDecoderTest.java
index 2fbb8ec143b..0d3e694651e 100644
--- a/test/org/traccar/protocol/TotemFrameDecoderTest.java
+++ b/test/org/traccar/protocol/TotemFrameDecoderTest.java
@@ -11,6 +11,10 @@ public void testDecode() throws Exception {
 
         TotemFrameDecoder decoder = new TotemFrameDecoder();
 
+        verifyFrame(
+                binary("24243030323542423836323031303033373239343836313345"),
+                decoder.decode(null, null, binary("24243030323542423836323031303033373239343836313345")));
+
         verifyFrame(
                 binary("24243030363545363836313137323033353932363639357c3137303931323135333235372c2d37392e3337333835332c34332e3736353631392c302c302c7c3441"),
                 decoder.decode(null, null, binary("24243030363545363836313137323033353932363639357c3137303931323135333235372c2d37392e3337333835332c34332e3736353631392c302c302c7c3441")));