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| author | Anton Tananaev <anton.tananaev@gmail.com> | 2016-11-14 01:56:26 +1300 |
|---|---|---|
| committer | Anton Tananaev <anton.tananaev@gmail.com> | 2016-11-14 01:56:26 +1300 |
| commit | 4066c24ed1ba8749a1a682acb5b027401d0df70f (patch) | |
| tree | 1a1a6499fc2b9fff57dc7067f6dd8101b22efad0 /src/org/traccar/protocol/H02FrameDecoder.java | |
| parent | b87fa6f361fd0c27383d78a503ed2c28a8bdef1a (diff) | |
| download | trackermap-server-4066c24ed1ba8749a1a682acb5b027401d0df70f.tar.gz trackermap-server-4066c24ed1ba8749a1a682acb5b027401d0df70f.tar.bz2 trackermap-server-4066c24ed1ba8749a1a682acb5b027401d0df70f.zip | |
Another attempt to fix H02 frame decoder
Diffstat (limited to 'src/org/traccar/protocol/H02FrameDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/H02FrameDecoder.java | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/org/traccar/protocol/H02FrameDecoder.java b/src/org/traccar/protocol/H02FrameDecoder.java index d461c9219..a22252a57 100644 --- a/src/org/traccar/protocol/H02FrameDecoder.java +++ b/src/org/traccar/protocol/H02FrameDecoder.java @@ -54,16 +54,18 @@ public class H02FrameDecoder extends FrameDecoder { } else if (marker == '$') { - if (messageLength > 0 && buf.readableBytes() >= messageLength) { - return buf.readBytes(messageLength); - } else if (buf.readableBytes() >= MESSAGE_SHORT) { - if (buf.getUnsignedByte(buf.readerIndex() + MESSAGE_SHORT - 1) == 0) { - return buf.readBytes(MESSAGE_SHORT); - } else if (buf.readableBytes() >= MESSAGE_LONG) { - return buf.readBytes(MESSAGE_LONG); + if (messageLength == 0) { + if (buf.readableBytes() == MESSAGE_LONG) { + messageLength = MESSAGE_LONG; + } else { + messageLength = MESSAGE_SHORT; } } + if (buf.readableBytes() >= messageLength) { + return buf.readBytes(messageLength); + } + } return null; |