diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java')
-rw-r--r-- | src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java index 1351706e2..f456cd1ef 100644 --- a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java @@ -1,5 +1,5 @@ /* - * Copyright 2012 - 2018 Anton Tananaev (anton@traccar.org) + * Copyright 2012 - 2019 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. @@ -86,13 +86,17 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder { } + static boolean isLongFormat(ByteBuf buf, int flagIndex) { + return buf.getUnsignedByte(flagIndex) >> 4 == 0x7; + } + private List<Position> decodeBinary(ByteBuf buf, Channel channel, SocketAddress remoteAddress) { List<Position> positions = new LinkedList<>(); buf.readByte(); // header - boolean longFormat = buf.getUnsignedByte(buf.readerIndex()) == 0x75; + boolean longFormat = isLongFormat(buf, buf.readerIndex()); String id = String.valueOf(Long.parseLong(ByteBufUtil.hexDump(buf.readSlice(5)))); DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id); @@ -170,6 +174,7 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder { if (protocolVersion == 0x17) { buf.readUnsignedByte(); // geofence id buf.skipBytes(3); // reserved + buf.skipBytes(buf.readableBytes() - 1); } } else if (version == 1) { |