diff options
Diffstat (limited to 'src/org/traccar')
| -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; |