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authorPhilipp Prangenberg <philipp.prangenberg@derkurier.de>2016-12-05 12:03:08 +0100
committerPhilipp Prangenberg <philipp.prangenberg@derkurier.de>2016-12-05 12:03:08 +0100
commita21f436a58133f7da0cae06366d729665f3b8f9c (patch)
tree72ff1743d96f79e4a9d85b0d48715e5f9aa67cf9 /src/org/traccar/protocol/H02FrameDecoder.java
parent960bf899414d89221e92138fdb98777c3f4f73ec (diff)
parent40607036c5aa6385a7ae3f3a283bf107238a5944 (diff)
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Merge remote-tracking branch 'upstream/master'
Diffstat (limited to 'src/org/traccar/protocol/H02FrameDecoder.java')
-rw-r--r--src/org/traccar/protocol/H02FrameDecoder.java20
1 files changed, 16 insertions, 4 deletions
diff --git a/src/org/traccar/protocol/H02FrameDecoder.java b/src/org/traccar/protocol/H02FrameDecoder.java
index feba8033d..a22252a57 100644
--- a/src/org/traccar/protocol/H02FrameDecoder.java
+++ b/src/org/traccar/protocol/H02FrameDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2013 - 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2013 - 2016 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.
@@ -22,6 +22,9 @@ import org.jboss.netty.handler.codec.frame.FrameDecoder;
public class H02FrameDecoder extends FrameDecoder {
+ private static final int MESSAGE_SHORT = 32;
+ private static final int MESSAGE_LONG = 45;
+
private int messageLength;
public H02FrameDecoder(int messageLength) {
@@ -49,10 +52,19 @@ public class H02FrameDecoder extends FrameDecoder {
return buf.readBytes(index + 1 - buf.readerIndex());
}
- } else if (marker == '$' && buf.readableBytes() >= messageLength) {
+ } else if (marker == '$') {
+
+ if (messageLength == 0) {
+ if (buf.readableBytes() == MESSAGE_LONG) {
+ messageLength = MESSAGE_LONG;
+ } else {
+ messageLength = MESSAGE_SHORT;
+ }
+ }
- // Return binary message
- return buf.readBytes(messageLength);
+ if (buf.readableBytes() >= messageLength) {
+ return buf.readBytes(messageLength);
+ }
}