From 03650fff8064b60ffcda75f9033fd44e66ef34b3 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Thu, 15 Jun 2023 05:35:09 -0700 Subject: Galileo Iridium frame decoding --- .../java/org/traccar/protocol/GalileoFrameDecoder.java | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) (limited to 'src/main/java/org/traccar/protocol') 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; -- cgit v1.2.3