diff options
Diffstat (limited to 'src/org/traccar/protocol/KhdProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/KhdProtocolDecoder.java | 156 |
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; - } - -} |