aboutsummaryrefslogtreecommitdiff
path: root/src/org/traccar/protocol/KhdProtocolDecoder.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/org/traccar/protocol/KhdProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/KhdProtocolDecoder.java156
1 files changed, 0 insertions, 156 deletions
diff --git a/src/org/traccar/protocol/KhdProtocolDecoder.java b/src/org/traccar/protocol/KhdProtocolDecoder.java
deleted file mode 100644
index d63219736..000000000
--- a/src/org/traccar/protocol/KhdProtocolDecoder.java
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Copyright 2014 - 2017 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.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.traccar.protocol;
-
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.jboss.netty.buffer.ChannelBuffers;
-import org.jboss.netty.channel.Channel;
-import org.traccar.BaseProtocolDecoder;
-import org.traccar.DeviceSession;
-import org.traccar.helper.BcdUtil;
-import org.traccar.helper.Checksum;
-import org.traccar.helper.DateBuilder;
-import org.traccar.helper.UnitsConverter;
-import org.traccar.model.Position;
-
-import java.net.SocketAddress;
-
-public class KhdProtocolDecoder extends BaseProtocolDecoder {
-
- public KhdProtocolDecoder(KhdProtocol protocol) {
- super(protocol);
- }
-
- private String readSerialNumber(ChannelBuffer buf) {
- int b1 = buf.readUnsignedByte();
- int b2 = buf.readUnsignedByte();
- if (b2 > 0x80) {
- b2 -= 0x80;
- }
- int b3 = buf.readUnsignedByte();
- if (b3 > 0x80) {
- b3 -= 0x80;
- }
- int b4 = buf.readUnsignedByte();
- String serialNumber = String.format("%02d%02d%02d%02d", b1, b2, b3, b4);
- return String.valueOf(Long.parseLong(serialNumber));
- }
-
- public static final int MSG_LOGIN = 0xB1;
- public static final int MSG_CONFIRMATION = 0x21;
- public static final int MSG_ON_DEMAND = 0x81;
- public static final int MSG_POSITION_UPLOAD = 0x80;
- public static final int MSG_POSITION_REUPLOAD = 0x8E;
- public static final int MSG_ALARM = 0x82;
- public static final int MSG_REPLY = 0x85;
- public static final int MSG_PERIPHERAL = 0xA3;
-
- @Override
- protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
-
- ChannelBuffer buf = (ChannelBuffer) msg;
-
- buf.skipBytes(2); // header
- int type = buf.readUnsignedByte();
- buf.readUnsignedShort(); // size
-
- if (type == MSG_ON_DEMAND || type == MSG_POSITION_UPLOAD || type == MSG_POSITION_REUPLOAD
- || type == MSG_ALARM || type == MSG_REPLY || type == MSG_PERIPHERAL) {
-
- Position position = new Position();
- position.setProtocol(getProtocolName());
-
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, readSerialNumber(buf));
- if (deviceSession == null) {
- return null;
- }
- position.setDeviceId(deviceSession.getDeviceId());
-
- DateBuilder dateBuilder = new DateBuilder()
- .setYear(BcdUtil.readInteger(buf, 2))
- .setMonth(BcdUtil.readInteger(buf, 2))
- .setDay(BcdUtil.readInteger(buf, 2))
- .setHour(BcdUtil.readInteger(buf, 2))
- .setMinute(BcdUtil.readInteger(buf, 2))
- .setSecond(BcdUtil.readInteger(buf, 2));
- position.setTime(dateBuilder.getDate());
-
- position.setLatitude(BcdUtil.readCoordinate(buf));
- position.setLongitude(BcdUtil.readCoordinate(buf));
- position.setSpeed(UnitsConverter.knotsFromKph(BcdUtil.readInteger(buf, 4)));
- position.setCourse(BcdUtil.readInteger(buf, 4));
- position.setValid((buf.readUnsignedByte() & 0x80) != 0);
-
- if (type != MSG_ALARM) {
-
- position.set(Position.KEY_ODOMETER, buf.readUnsignedMedium());
- position.set(Position.KEY_STATUS, buf.readUnsignedInt());
- position.set(Position.KEY_HDOP, buf.readUnsignedByte());
- position.set(Position.KEY_VDOP, buf.readUnsignedByte());
- position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
-
- buf.skipBytes(5); // other location data
-
- if (type == MSG_PERIPHERAL) {
-
- buf.readUnsignedShort(); // data length
-
- int dataType = buf.readUnsignedByte();
-
- buf.readUnsignedByte(); // content length
-
- switch (dataType) {
- case 0x01:
- position.set(Position.KEY_FUEL_LEVEL,
- buf.readUnsignedByte() * 100 + buf.readUnsignedByte());
- break;
- case 0x02:
- position.set(Position.PREFIX_TEMP + 1,
- buf.readUnsignedByte() * 100 + buf.readUnsignedByte());
- break;
- default:
- break;
- }
-
- }
-
- }
-
- return position;
-
- } else if (type == MSG_LOGIN && channel != null) {
-
- buf.skipBytes(4); // serial number
- buf.readByte(); // reserved
-
- ChannelBuffer response = ChannelBuffers.dynamicBuffer();
- response.writeByte(0x29); response.writeByte(0x29); // header
- response.writeByte(MSG_CONFIRMATION);
- response.writeShort(5); // size
- response.writeByte(buf.readUnsignedByte());
- response.writeByte(type);
- response.writeByte(0); // reserved
- response.writeByte(Checksum.xor(response.toByteBuffer()));
- response.writeByte(0x0D); // ending
- channel.write(response);
-
- }
-
- return null;
- }
-
-}