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/*
* Copyright 2017 - 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.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.Protocol;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.util.regex.Pattern;
public class Ivt401ProtocolDecoder extends BaseProtocolDecoder {
public Ivt401ProtocolDecoder(Protocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.text("(")
.expression("TL[ABLN],") // header
.number("(d+),") // imei
.number("(dd)(dd)(dd),") // date (ddmmyy)
.number("(dd)(dd)(dd),") // time (hhmmss)
.number("([-+]d+.d+),") // latitude
.number("([-+]d+.d+),") // longitude
.number("(d+),") // speed
.number("(d+),") // course
.number("(-?d+.?d*),") // altitude
.number("d+,") // satellites or battery status
.number("(d),") // gps status
.number("(d+),") // rssi
.number("(d+),") // input
.number("(d+),") // output
.number("(d+.d+),") // adc
.number("(d+.d+),") // power
.number("(d+.d+),") // battery
.number("(-?d+.?d*),") // pcb temp
.expression("([^,]+),") // temp
.number("(d+),") // movement
.number("(d+.d+),") // acceleration
.number("(-?d+),") // tilt
.number("(d+),") // trip
.number("(d+),") // odometer
.groupBegin()
.number("([01]),") // overspeed
.number("[01],") // input 2 misuse
.number("[01],") // immobilizer
.number("[01],") // temperature alert
.number("[0-2]+,") // geofence
.number("([0-3]),") // harsh driving
.number("[01],") // reconnect
.number("([01]),") // low battery
.number("([01]),") // power disconnected
.number("[01],") // gps failure
.number("([01]),") // towing
.number("[01],") // server unreachable
.number("[128],") // sleep mode
.expression("([^,]+)?,") // driver id
.number("d+,") // sms count
.groupEnd("?")
.any()
.compile();
@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;
}
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
position.setCourse(parser.nextInt());
position.setAltitude(parser.nextDouble());
position.setValid(parser.nextInt() > 0);
position.set(Position.KEY_RSSI, parser.nextInt());
String input = parser.next();
for (int i = 0; i < input.length(); i++) {
int value = Character.getNumericValue(input.charAt(i));
if (value < 2) {
position.set(Position.PREFIX_IN + (i + 1), value > 0);
}
}
String output = parser.next();
for (int i = 0; i < output.length(); i++) {
position.set(Position.PREFIX_OUT + (i + 1), Character.getNumericValue(output.charAt(i)) > 0);
}
position.set(Position.PREFIX_ADC + 1, parser.nextDouble());
position.set(Position.KEY_POWER, parser.nextDouble());
position.set(Position.KEY_BATTERY, parser.nextDouble());
position.set(Position.KEY_DEVICE_TEMP, parser.nextDouble());
String temp = parser.next();
if (temp.startsWith("M")) {
int index = 1;
int startIndex = 1;
int endIndex;
while (startIndex < temp.length()) {
endIndex = temp.indexOf('-', startIndex + 1);
if (endIndex < 0) {
endIndex = temp.indexOf('+', startIndex + 1);
}
if (endIndex < 0) {
endIndex = temp.length();
}
if (endIndex > 0) {
double value = Double.parseDouble(temp.substring(startIndex, endIndex));
position.set(Position.PREFIX_TEMP + index++, value);
}
startIndex = endIndex;
}
} else {
position.set(Position.PREFIX_TEMP + 1, Double.parseDouble(temp));
}
position.set(Position.KEY_MOTION, parser.nextInt() > 0);
position.set(Position.KEY_ACCELERATION, parser.nextDouble());
parser.nextInt(); // tilt
parser.nextInt(); // trip state
position.set(Position.KEY_ODOMETER, parser.nextLong());
if (parser.hasNext(6)) {
position.set(Position.KEY_ALARM, parser.nextInt() == 1 ? Position.ALARM_OVERSPEED : null);
switch (parser.nextInt()) {
case 1:
position.set(Position.KEY_ALARM, Position.ALARM_ACCELERATION);
break;
case 2:
position.set(Position.KEY_ALARM, Position.ALARM_BRAKING);
break;
case 3:
position.set(Position.KEY_ALARM, Position.ALARM_CORNERING);
break;
default:
break;
}
position.set(Position.KEY_ALARM, parser.nextInt() == 1 ? Position.ALARM_LOW_BATTERY : null);
position.set(Position.KEY_ALARM, parser.nextInt() == 1 ? Position.ALARM_POWER_CUT : null);
position.set(Position.KEY_ALARM, parser.nextInt() == 1 ? Position.ALARM_TOW : null);
position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next());
}
return position;
}
}
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