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-rw-r--r--src/main/java/org/traccar/protocol/GalileoFrameDecoder.java16
1 files changed, 11 insertions, 5 deletions
diff --git a/src/main/java/org/traccar/protocol/GalileoFrameDecoder.java b/src/main/java/org/traccar/protocol/GalileoFrameDecoder.java
index c23d26c83..d90e48287 100644
--- a/src/main/java/org/traccar/protocol/GalileoFrameDecoder.java
+++ b/src/main/java/org/traccar/protocol/GalileoFrameDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2013 - 2018 Anton Tananaev (anton@traccar.org)
+ * Copyright 2013 - 2023 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.
@@ -22,7 +22,7 @@ import org.traccar.BaseFrameDecoder;
public class GalileoFrameDecoder extends BaseFrameDecoder {
- private static final int MESSAGE_MINIMUM_LENGTH = 5;
+ private static final int MESSAGE_MINIMUM_LENGTH = 6;
@Override
protected Object decode(
@@ -32,9 +32,15 @@ public class GalileoFrameDecoder extends BaseFrameDecoder {
return null;
}
- int length = buf.getUnsignedShortLE(buf.readerIndex() + 1) & 0x7fff;
- if (buf.readableBytes() >= (length + MESSAGE_MINIMUM_LENGTH)) {
- return buf.readRetainedSlice(length + MESSAGE_MINIMUM_LENGTH);
+ int length;
+ if (buf.getByte(buf.readerIndex()) == 0x01 && buf.getUnsignedMedium(buf.readerIndex() + 3) == 0x01001c) {
+ length = 3 + buf.getUnsignedShort(buf.readerIndex() + 1);
+ } else {
+ length = 5 + (buf.getUnsignedShortLE(buf.readerIndex() + 1) & 0x7fff);
+ }
+
+ if (buf.readableBytes() >= length) {
+ return buf.readRetainedSlice(length);
}
return null;