From d0a7032d6e391fc2148d8d91baf1543ac403af96 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 4 Jan 2020 16:27:56 -0800
Subject: Fix frame decoder

---
 src/main/java/org/traccar/protocol/OmnicommFrameDecoder.java       | 7 ++++---
 src/test/java/org/traccar/protocol/OmnicommFrameDecoderTest.java   | 4 ++--
 .../java/org/traccar/protocol/OmnicommProtocolDecoderTest.java     | 3 +++
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/main/java/org/traccar/protocol/OmnicommFrameDecoder.java b/src/main/java/org/traccar/protocol/OmnicommFrameDecoder.java
index d6fedc40e..1caf6ceb9 100644
--- a/src/main/java/org/traccar/protocol/OmnicommFrameDecoder.java
+++ b/src/main/java/org/traccar/protocol/OmnicommFrameDecoder.java
@@ -31,14 +31,14 @@ public class OmnicommFrameDecoder extends BaseFrameDecoder {
             return null;
         }
 
-        int endIndex = buf.getUnsignedShortLE(2) + buf.readerIndex() + 5;
+        int endIndex = buf.getUnsignedShortLE(2) + buf.readerIndex() + 6;
         if (buf.writerIndex() < endIndex) {
             return null;
         }
 
         ByteBuf result = Unpooled.buffer();
         result.writeByte(buf.readUnsignedByte());
-        while (buf.readerIndex() <= endIndex) {
+        while (buf.readerIndex() < endIndex) {
             int b = buf.readUnsignedByte();
             if (b == 0xDB) {
                 int ext = buf.readUnsignedByte();
@@ -47,11 +47,12 @@ public class OmnicommFrameDecoder extends BaseFrameDecoder {
                 } else if (ext == 0xDD) {
                     result.writeByte(0xDB);
                 }
+                endIndex += 1;
             } else {
                 result.writeByte(b);
             }
         }
-        return  result;
+        return result;
     }
 
 }
diff --git a/src/test/java/org/traccar/protocol/OmnicommFrameDecoderTest.java b/src/test/java/org/traccar/protocol/OmnicommFrameDecoderTest.java
index a35677093..06c6e24eb 100644
--- a/src/test/java/org/traccar/protocol/OmnicommFrameDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OmnicommFrameDecoderTest.java
@@ -15,8 +15,8 @@ public class OmnicommFrameDecoderTest extends ProtocolTest {
                 decoder.decode(null, null, binary("c080080061a61915340100001dec")));
 
         verifyFrame(
-                binary("C0866300CD1400002273231400580008011308A2E68DA10110002006280030003800400048005000600068007000142B08EC979EB60410EEB7CC8C02180020002804300038A2E68DA1012C33080010001800200028003000344308381000180220382800300244DF2A"),
-                decoder.decode(null, null, binary("C0866300CD1400002273231400580008011308A2E68DA10110002006280030003800400048005000600068007000142B08EC979EB60410EEB7CC8C02180020002804300038A2E68DA1012C33080010001800200028003000344308381000180220382800300244DF2A")));
+                binary("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"),
+                decoder.decode(null, null, binary("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")));
 
     }
 
diff --git a/src/test/java/org/traccar/protocol/OmnicommProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/OmnicommProtocolDecoderTest.java
index a2977499a..89cb7fadf 100644
--- a/src/test/java/org/traccar/protocol/OmnicommProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/OmnicommProtocolDecoderTest.java
@@ -19,6 +19,9 @@ public class OmnicommProtocolDecoderTest extends ProtocolTest {
         verifyPositions(decoder, binary(
                 "C0866300CD1400002273231400580008011308A2E68DA10110002006280030003800400048005000600068007000142B08EC979EB60410EEB7CC8C02180020002804300038A2E68DA1012C33080010001800200028003000344308381000180220382800300244DF2A"));
 
+        verifyPositions(decoder, binary(
+                "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"));
+
     }
 
 }
-- 
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