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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/protocol/UlbotechProtocolDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/protocol/UlbotechProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/UlbotechProtocolDecoder.java371
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diff --git a/src/main/java/org/traccar/protocol/UlbotechProtocolDecoder.java b/src/main/java/org/traccar/protocol/UlbotechProtocolDecoder.java
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+/*
+ * Copyright 2015 - 2018 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 io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.Checksum;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.ObdDecoder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.util.Date;
+import java.util.regex.Pattern;
+
+public class UlbotechProtocolDecoder extends BaseProtocolDecoder {
+
+ public UlbotechProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final short DATA_GPS = 0x01;
+ private static final short DATA_LBS = 0x02;
+ private static final short DATA_STATUS = 0x03;
+ private static final short DATA_ODOMETER = 0x04;
+ private static final short DATA_ADC = 0x05;
+ private static final short DATA_GEOFENCE = 0x06;
+ private static final short DATA_OBD2 = 0x07;
+ private static final short DATA_FUEL = 0x08;
+ private static final short DATA_OBD2_ALARM = 0x09;
+ private static final short DATA_HARSH_DRIVER = 0x0A;
+ private static final short DATA_CANBUS = 0x0B;
+ private static final short DATA_J1708 = 0x0C;
+ private static final short DATA_VIN = 0x0D;
+ private static final short DATA_RFID = 0x0E;
+ private static final short DATA_EVENT = 0x10;
+
+ private void decodeObd(Position position, ByteBuf buf, int length) {
+
+ int end = buf.readerIndex() + length;
+
+ while (buf.readerIndex() < end) {
+ int parameterLength = buf.getUnsignedByte(buf.readerIndex()) >> 4;
+ int mode = buf.readUnsignedByte() & 0x0F;
+ position.add(ObdDecoder.decode(mode, ByteBufUtil.hexDump(buf.readSlice(parameterLength - 1))));
+ }
+ }
+
+ private void decodeJ1708(Position position, ByteBuf buf, int length) {
+
+ int end = buf.readerIndex() + length;
+
+ while (buf.readerIndex() < end) {
+ int mark = buf.readUnsignedByte();
+ int len = BitUtil.between(mark, 0, 6);
+ int type = BitUtil.between(mark, 6, 8);
+ int id = buf.readUnsignedByte();
+ if (type == 3) {
+ id += 256;
+ }
+ String value = ByteBufUtil.hexDump(buf.readSlice(len - 1));
+ if (type == 2 || type == 3) {
+ position.set("pid" + id, value);
+ }
+ }
+ }
+
+ private void decodeDriverBehavior(Position position, ByteBuf buf) {
+
+ int value = buf.readUnsignedByte();
+
+ if (BitUtil.check(value, 0)) {
+ position.set("rapidAcceleration", true);
+ }
+ if (BitUtil.check(value, 1)) {
+ position.set("roughBraking", true);
+ }
+ if (BitUtil.check(value, 2)) {
+ position.set("harshCourse", true);
+ }
+ if (BitUtil.check(value, 3)) {
+ position.set("noWarmUp", true);
+ }
+ if (BitUtil.check(value, 4)) {
+ position.set("longIdle", true);
+ }
+ if (BitUtil.check(value, 5)) {
+ position.set("fatigueDriving", true);
+ }
+ if (BitUtil.check(value, 6)) {
+ position.set("roughTerrain", true);
+ }
+ if (BitUtil.check(value, 7)) {
+ position.set("highRpm", true);
+ }
+ }
+
+ private String decodeAlarm(int alarm) {
+ if (BitUtil.check(alarm, 0)) {
+ return Position.ALARM_POWER_OFF;
+ }
+ if (BitUtil.check(alarm, 1)) {
+ return Position.ALARM_MOVEMENT;
+ }
+ if (BitUtil.check(alarm, 2)) {
+ return Position.ALARM_OVERSPEED;
+ }
+ if (BitUtil.check(alarm, 4)) {
+ return Position.ALARM_GEOFENCE;
+ }
+ if (BitUtil.check(alarm, 10)) {
+ return Position.ALARM_SOS;
+ }
+ return null;
+ }
+
+ private void decodeAdc(Position position, ByteBuf buf, int length) {
+ for (int i = 0; i < length / 2; i++) {
+ int value = buf.readUnsignedShort();
+ int id = BitUtil.from(value, 12);
+ value = BitUtil.to(value, 12);
+ switch (id) {
+ case 0:
+ position.set(Position.KEY_POWER, value * (100 + 10) / 4096.0 - 10);
+ break;
+ case 1:
+ position.set(Position.PREFIX_TEMP + 1, value * (125 + 55) / 4096.0 - 55);
+ break;
+ case 2:
+ position.set(Position.KEY_BATTERY, value * (100 + 10) / 4096.0 - 10);
+ break;
+ case 3:
+ position.set(Position.PREFIX_ADC + 1, value * (100 + 10) / 4096.0 - 10);
+ break;
+ default:
+ position.set(Position.PREFIX_IO + id, value);
+ break;
+ }
+ }
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("*TS")
+ .number("dd,") // protocol version
+ .number("(d{15}),") // device id
+ .number("(dd)(dd)(dd)") // time
+ .number("(dd)(dd)(dd),") // date
+ .expression("([^#]+)") // command
+ .text("#")
+ .compile();
+
+ private Object decodeText(Channel channel, SocketAddress remoteAddress, String sentence) {
+
+ Parser parser = new Parser(PATTERN, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+ if (deviceSession == null) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0))
+ .setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+
+ getLastLocation(position, dateBuilder.getDate());
+
+ position.set(Position.KEY_RESULT, parser.next());
+
+ return position;
+ }
+
+ private Object decodeBinary(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
+
+ buf.readUnsignedByte(); // header
+ buf.readUnsignedByte(); // version
+ buf.readUnsignedByte(); // type
+
+ String imei = ByteBufUtil.hexDump(buf.readSlice(8)).substring(1);
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ if (deviceSession.getTimeZone() == null) {
+ deviceSession.setTimeZone(getTimeZone(deviceSession.getDeviceId()));
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ long seconds = buf.readUnsignedInt() & 0x7fffffffL;
+ seconds += 946684800L; // 2000-01-01 00:00
+ seconds -= deviceSession.getTimeZone().getRawOffset() / 1000;
+ Date time = new Date(seconds * 1000);
+
+ boolean hasLocation = false;
+
+ while (buf.readableBytes() > 3) {
+
+ int type = buf.readUnsignedByte();
+ int length = type == DATA_CANBUS ? buf.readUnsignedShort() : buf.readUnsignedByte();
+
+ switch (type) {
+
+ case DATA_GPS:
+ hasLocation = true;
+ position.setValid(true);
+ position.setLatitude(buf.readInt() / 1000000.0);
+ position.setLongitude(buf.readInt() / 1000000.0);
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
+ position.setCourse(buf.readUnsignedShort());
+ position.set(Position.KEY_HDOP, buf.readUnsignedShort());
+ break;
+
+ case DATA_LBS:
+ if (length == 11) {
+ position.setNetwork(new Network(CellTower.from(
+ buf.readUnsignedShort(), buf.readUnsignedShort(),
+ buf.readUnsignedShort(), buf.readUnsignedInt(), -buf.readUnsignedByte())));
+ } else {
+ position.setNetwork(new Network(CellTower.from(
+ buf.readUnsignedShort(), buf.readUnsignedShort(),
+ buf.readUnsignedShort(), buf.readUnsignedShort(), -buf.readUnsignedByte())));
+ }
+ if (length > 9 && length != 11) {
+ buf.skipBytes(length - 9);
+ }
+ break;
+
+ case DATA_STATUS:
+ int status = buf.readUnsignedShort();
+ position.set(Position.KEY_IGNITION, BitUtil.check(status, 9));
+ position.set(Position.KEY_STATUS, status);
+ position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedShort()));
+ break;
+
+ case DATA_ODOMETER:
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
+ break;
+
+ case DATA_ADC:
+ decodeAdc(position, buf, length);
+ break;
+
+ case DATA_GEOFENCE:
+ position.set("geofenceIn", buf.readUnsignedInt());
+ position.set("geofenceAlarm", buf.readUnsignedInt());
+ break;
+
+ case DATA_OBD2:
+ decodeObd(position, buf, length);
+ break;
+
+ case DATA_FUEL:
+ position.set(Position.KEY_FUEL_CONSUMPTION, buf.readUnsignedInt() / 10000.0);
+ break;
+
+ case DATA_OBD2_ALARM:
+ decodeObd(position, buf, length);
+ break;
+
+ case DATA_HARSH_DRIVER:
+ decodeDriverBehavior(position, buf);
+ break;
+
+ case DATA_CANBUS:
+ position.set("can", ByteBufUtil.hexDump(buf.readSlice(length)));
+ break;
+
+ case DATA_J1708:
+ decodeJ1708(position, buf, length);
+ break;
+
+ case DATA_VIN:
+ position.set(Position.KEY_VIN, buf.readSlice(length).toString(StandardCharsets.US_ASCII));
+ break;
+
+ case DATA_RFID:
+ position.set(Position.KEY_DRIVER_UNIQUE_ID,
+ buf.readSlice(length - 1).toString(StandardCharsets.US_ASCII));
+ position.set("authorized", buf.readUnsignedByte() != 0);
+ break;
+
+ case DATA_EVENT:
+ position.set(Position.KEY_EVENT, buf.readUnsignedByte());
+ if (length > 1) {
+ position.set("eventMask", buf.readUnsignedInt());
+ }
+ break;
+
+ default:
+ buf.skipBytes(length);
+ break;
+ }
+ }
+
+ if (!hasLocation) {
+ getLastLocation(position, time);
+ } else {
+ position.setTime(time);
+ }
+
+ return position;
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ if (buf.getUnsignedByte(buf.readerIndex()) == 0xF8) {
+
+ if (channel != null) {
+ ByteBuf response = Unpooled.buffer();
+ response.writeByte(0xF8);
+ response.writeByte(DATA_GPS);
+ response.writeByte(0xFE);
+ response.writeShort(buf.getShort(response.writerIndex() - 1 - 2));
+ response.writeShort(Checksum.crc16(Checksum.CRC16_XMODEM, response.nioBuffer(1, 4)));
+ response.writeByte(0xF8);
+ channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
+ }
+
+ return decodeBinary(channel, remoteAddress, buf);
+ } else {
+
+ if (channel != null) {
+ channel.writeAndFlush(new NetworkMessage(Unpooled.copiedBuffer(String.format("*TS01,ACK:%04X#",
+ Checksum.crc16(Checksum.CRC16_XMODEM, buf.nioBuffer(1, buf.writerIndex() - 2))),
+ StandardCharsets.US_ASCII), remoteAddress));
+ }
+
+ return decodeText(channel, remoteAddress, buf.toString(StandardCharsets.US_ASCII));
+ }
+ }
+
+}