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/*
* Copyright 2021 - 2024 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.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.session.DeviceSession;
import org.traccar.Protocol;
import org.traccar.helper.BitUtil;
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.util.regex.Pattern;
public class StartekProtocolDecoder extends BaseProtocolDecoder {
public StartekProtocolDecoder(Protocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.text("&&")
.expression(".") // index
.number("d+,") // length
.number("(d+),") // imei
.number("(xxx),") // type
.expression("(.+)") // content
.number("xx") // checksum
.text("\r\n")
.compile();
private static final Pattern PATTERN_POSITION = new PatternBuilder()
.number("(d+),") // event
.expression("([^,]+)?,") // event data
.number("(dd)(dd)(dd)") // date (yyymmdd)
.number("(dd)(dd)(dd),") // time (hhmmss)
.expression("([AV]),") // valid
.number("(-?d+.d+),") // longitude
.number("(-?d+.d+),") // latitude
.number("(d+),") // satellites
.number("(d+.d+),") // hdop
.number("(d+),") // speed
.number("(d+),") // course
.number("(-?d+),") // altitude
.number("(d+),") // odometer
.number("(d+)|") // mcc
.number("(d+)|") // mnc
.number("(x+)|") // lac
.number("(x+),") // cid
.number("(d+),") // rssi
.number("(x+),") // status
.number("(x+),") // inputs
.number("(x+),") // outputs
.number("(x+)|") // power
.number("(x+)") // battery
.expression("([^,]+)?") // adc
.groupBegin()
.number(",d+") // extended
.expression(",([^,]+)?") // fuel
.groupBegin()
.expression(",([^,]+)?") // temperature
.groupBegin()
.text(",")
.groupBegin()
.number("(d+)?|") // rpm
.number("(d+)?|") // engine load
.number("(d+)?|") // maf flow
.number("(d+)?|") // intake pressure
.number("(d+)?|") // intake temperature
.number("(d+)?|") // throttle
.number("(d+)?|") // coolant temperature
.number("(d+)?|") // instant fuel
.number("(d+)[%L]").optional() // fuel level
.groupEnd("?")
.number(",(d+)").optional() // hours
.groupEnd("?")
.groupEnd("?")
.groupEnd("?")
.any()
.compile();
private String decodeAlarm(int value) {
return switch (value) {
case 1 -> Position.ALARM_SOS;
case 5, 6 -> Position.ALARM_DOOR;
case 17 -> Position.ALARM_LOW_POWER;
case 18 -> Position.ALARM_POWER_CUT;
case 19 -> Position.ALARM_POWER_RESTORED;
case 39 -> Position.ALARM_ACCELERATION;
case 40 -> Position.ALARM_BRAKING;
case 41 -> Position.ALARM_CORNERING;
default -> null;
};
}
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
Parser parser = new Parser(PATTERN, (String) msg);
if (!parser.matches()) {
return null;
}
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
String type = parser.next();
String content = parser.next();
return switch (type) {
case "000" -> decodePosition(deviceSession, content);
case "710" -> decodeSerial(deviceSession, content);
default -> {
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
getLastLocation(position, null);
position.set(Position.KEY_TYPE, type);
position.set(Position.KEY_RESULT, content);
yield position;
}
};
}
private Object decodePosition(DeviceSession deviceSession, String content) {
Parser parser = new Parser(PATTERN_POSITION, content);
if (!parser.matches()) {
return null;
}
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
int event = parser.nextInt();
String eventData = parser.next();
position.set(Position.KEY_EVENT, event);
if (event == 53) {
position.set(Position.KEY_DRIVER_UNIQUE_ID, eventData);
} else {
position.set(Position.KEY_ALARM, decodeAlarm(event));
}
position.setTime(parser.nextDateTime());
position.setValid(parser.next().equals("A"));
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
position.set(Position.KEY_SATELLITES, parser.nextInt());
position.set(Position.KEY_HDOP, parser.nextDouble());
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
position.setCourse(parser.nextInt());
position.setAltitude(parser.nextInt());
position.set(Position.KEY_ODOMETER, parser.nextLong());
position.setNetwork(new Network(CellTower.from(
parser.nextInt(), parser.nextInt(), parser.nextHexInt(), parser.nextHexInt(), parser.nextInt())));
position.set(Position.KEY_STATUS, parser.nextHexInt());
int input = parser.nextHexInt();
int output = parser.nextHexInt();
position.set(Position.KEY_IGNITION, BitUtil.check(input, 1));
position.set(Position.KEY_DOOR, BitUtil.check(input, 2));
position.set(Position.KEY_INPUT, input);
position.set(Position.KEY_OUTPUT, output);
position.set(Position.KEY_POWER, parser.nextHexInt() * 0.01);
position.set(Position.KEY_BATTERY, parser.nextHexInt() * 0.01);
if (parser.hasNext()) {
String[] adc = parser.next().split("\\|");
for (int i = 1; i < adc.length; i++) {
position.set(Position.PREFIX_ADC + (i + 1), Integer.parseInt(adc[i], 16) * 0.01);
}
}
if (parser.hasNext()) {
String[] fuels = parser.next().split("\\|");
for (String fuel : fuels) {
int index = Integer.parseInt(fuel.substring(0, 2));
int value = Integer.parseInt(fuel.substring(2), 16);
position.set("fuel" + index, value * 0.1);
}
}
if (parser.hasNext()) {
String[] temperatures = parser.next().split("\\|");
for (String temperature : temperatures) {
int index = Integer.parseInt(temperature.substring(0, 2));
int value = Integer.parseInt(temperature.substring(2), 16);
double convertedValue = BitUtil.to(value, 15);
if (BitUtil.check(value, 15)) {
convertedValue = -convertedValue;
}
position.set(Position.PREFIX_TEMP + index, convertedValue * 0.1);
}
}
if (parser.hasNextAny(9)) {
position.set(Position.KEY_RPM, parser.nextInt());
position.set(Position.KEY_ENGINE_LOAD, parser.nextInt());
position.set("airFlow", parser.nextInt());
position.set("airPressure", parser.nextInt());
if (parser.hasNext()) {
position.set("airTemp", parser.nextInt() - 40);
}
position.set(Position.KEY_THROTTLE, parser.nextInt());
if (parser.hasNext()) {
position.set(Position.KEY_COOLANT_TEMP, parser.nextInt() - 40);
}
if (parser.hasNext()) {
position.set(Position.KEY_FUEL_CONSUMPTION, parser.nextInt() * 0.1);
}
position.set(Position.KEY_FUEL_LEVEL, parser.nextInt());
}
if (parser.hasNext()) {
position.set(Position.KEY_HOURS, parser.nextInt() * 1000L);
}
return position;
}
private Object decodeSerial(DeviceSession deviceSession, String content) {
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
getLastLocation(position, null);
String[] frames = content.split("\r\n");
for (String frame : frames) {
String[] values = frame.split(",");
int index = 0;
String type = values[index++];
switch (type) {
case "T1" -> {
index += 1; // speed
position.set(Position.KEY_RPM, Double.parseDouble(values[index++]));
index += 1; // fuel consumption
position.set(Position.KEY_FUEL_LEVEL, Double.parseDouble(values[index++]));
index += 4; // axel weights
index += 1; // turbo pressure
position.set(Position.KEY_COOLANT_TEMP, Integer.parseInt(values[index++]));
index += 1; // accelerator pedal
position.set("torque", Integer.parseInt(values[index++]));
index += 1; // firmware version
position.set(Position.KEY_POWER, Double.parseDouble(values[index++]));
index += 1; // coolant level
position.set("oilTemp", Double.parseDouble(values[index++]));
index += 1; // oil level
position.set(Position.KEY_THROTTLE, Double.parseDouble(values[index++]));
index += 1; // air inlet pressure
index += 1; // fuel tank secondary
index += 1; // current gear
index += 1; // seatbelt
position.set("oilPressure", Integer.parseInt(values[index++]));
index += 1; // wet tank air pressure
index += 1; // pto state
int ignition = Integer.parseInt(values[index++]);
if (ignition < 2) {
position.set(Position.KEY_IGNITION, ignition > 0);
}
index += 1; // brake pedal
position.set("catalystLevel", Double.parseDouble(values[index++]));
index += 1; // fuel type
}
case "T2" -> {
position.set(Position.KEY_ODOMETER, Double.parseDouble(values[index++]) * 1000);
index += 1; // total fuel
index += 1; // fuel used cruise
index += 1; // fuel used drive
index += 1;
index += 1;
index += 1; // total idle time
index += 1; // total time pto
index += 1; // time cruise
index += 1;
index += 1;
index += 1;
index += 1;
index += 1;
index += 1; // brake apps
index += 1; // clutch apps
position.set(Position.KEY_HOURS, Integer.parseInt(values[index++]));
index += 1; // time torque
position.set(Position.KEY_FUEL_CONSUMPTION, Double.parseDouble(values[index++]));
index += 1; // total cruise control distance
position.set(Position.KEY_FUEL_USED, Double.parseDouble(values[index++]));
index += 1; // total drive time
}
}
}
return position;
}
}
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