diff options
Diffstat (limited to 'src/main/java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/KhdProtocolDecoder.java | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java b/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java index 343b78cb5..16ad616ed 100644 --- a/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java @@ -1,5 +1,5 @@ /* - * Copyright 2014 - 2018 Anton Tananaev (anton@traccar.org) + * Copyright 2014 - 2021 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. @@ -16,6 +16,7 @@ package org.traccar.protocol; import io.netty.buffer.ByteBuf; +import io.netty.buffer.ByteBufUtil; import io.netty.buffer.Unpooled; import io.netty.channel.Channel; import org.traccar.BaseProtocolDecoder; @@ -38,12 +39,18 @@ public class KhdProtocolDecoder extends BaseProtocolDecoder { super(protocol); } - private String readSerialNumber(ByteBuf buf) { + private String[] readIdentifiers(ByteBuf buf) { + String[] identifiers = new String[2]; + + identifiers[0] = ByteBufUtil.hexDump(buf, buf.readerIndex(), 4); + int b1 = buf.readUnsignedByte(); int b2 = buf.readUnsignedByte() - 0x80; int b3 = buf.readUnsignedByte() - 0x80; int b4 = buf.readUnsignedByte(); - return String.format("%02d%02d%02d%02d", b1, b2, b3, b4); + identifiers[1] = String.format("%02d%02d%02d%02d", b1, b2, b3, b4); + + return identifiers; } public static final int MSG_LOGIN = 0xB1; @@ -93,7 +100,7 @@ public class KhdProtocolDecoder extends BaseProtocolDecoder { Position position = new Position(getProtocolName()); - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, readSerialNumber(buf)); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, readIdentifiers(buf)); if (deviceSession == null) { return null; } |