/*
* Copyright 2015 - 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.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.helper.BitUtil;
import org.traccar.helper.DateBuilder;
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.Date;
import java.util.LinkedList;
import java.util.List;
import java.util.regex.Pattern;
public class GoSafeProtocolDecoder extends BaseProtocolDecoder {
public GoSafeProtocolDecoder(GoSafeProtocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.text("*GS") // header
.number("d+,") // protocol version
.number("(d+),") // imei
.number("(dd)(dd)(dd)") // time (hhmmss)
.number("(dd)(dd)(dd),") // date (ddmmyy)
.expression("(.*)#?") // data
.compile();
private static final Pattern PATTERN_ITEM = new PatternBuilder()
.number("(x+)?,").optional() // event
.groupBegin()
.text("SYS:")
.expression("[^,]*,")
.groupEnd("?")
.groupBegin()
.text("GPS:")
.expression("([AV]);") // validity
.number("(d+);") // satellites
.number("([NS])(d+.d+);") // latitude
.number("([EW])(d+.d+);") // longitude
.number("(d+)?;") // speed
.number("(d+);") // course
.number("(d+);") // altitude
.number("(d+.d+)") // hdop
.number(";(d+.d+)").optional() // vdop
.expression(",?")
.groupEnd()
.groupBegin()
.text("GSM:")
.number("d*;") // registration
.number("d*;") // gsm signal
.number("(d+);") // mcc
.number("(d+);") // mnc
.number("(x+);") // lac
.number("(x+);") // cid
.number("(-d+)") // rssi
.expression("[^,]*,?")
.groupEnd("?")
.groupBegin()
.text("COT:")
.number("(d+)") // odometer
.number("(?:;d+:d+:d+)?") // engine hours
.expression(",?")
.groupEnd("?")
.groupBegin()
.text("ADC:")
.number("(d+.d+)") // power
.number("(?:;(d+.d+))?,?") // battery
.groupEnd("?")
.groupBegin()
.text("DTT:")
.number("(x+);") // status
.number("(x+)?;") // io
.number("(x+);") // geo-fence 0-119
.number("(x+);") // geo-fence 120-155
.number("(x+)") // event status
.number("(?:;(x+))?,?") // packet type
.groupEnd("?")
.groupBegin()
.text("ETD:").expression("([^,]+),?")
.groupEnd("?")
.groupBegin()
.text("OBD:")
.number("(x+),?")
.groupEnd("?")
.groupBegin()
.text("FUL:").expression("[^,]*,?")
.groupEnd("?")
.groupBegin()
.text("TRU:").expression("[^,]*,?")
.groupEnd("?")
.groupBegin()
.text("TAG:").expression("([^,]+),?")
.groupEnd("?")
.compile();
private static final Pattern PATTERN_OLD = new PatternBuilder()
.text("*GS") // header
.number("d+,") // protocol version
.number("(d+),") // imei
.text("GPS:")
.number("(dd)(dd)(dd);") // time (hhmmss)
.number("d;").optional() // fix type
.expression("([AV]);") // validity
.number("([NS])(d+.d+);") // latitude
.number("([EW])(d+.d+);") // longitude
.number("(d+)?;") // speed
.number("(d+);") // course
.number("(d+.?d*)").optional() // hdop
.number("(dd)(dd)(dd)") // date (ddmmyy)
.any()
.compile();
private Position decodePosition(DeviceSession deviceSession, Parser parser, Date time) {
Position position = new Position();
position.setProtocol(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
if (time != null) {
position.setTime(time);
}
position.set(Position.KEY_EVENT, parser.next());
position.setValid(parser.next().equals("A"));
position.set(Position.KEY_SATELLITES, parser.next());
position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0)));
position.setCourse(parser.nextDouble(0));
position.setAltitude(parser.nextDouble(0));
position.set(Position.KEY_HDOP, parser.nextDouble(0));
position.set(Position.KEY_VDOP, parser.nextDouble(0));
if (parser.hasNext(5)) {
position.setNetwork(new Network(CellTower.from(parser.nextInt(0), parser.nextInt(0),
parser.nextHexInt(0), parser.nextHexInt(0), parser.nextInt(0))));
}
if (parser.hasNext()) {
position.set(Position.KEY_ODOMETER, parser.nextInt(0));
}
position.set(Position.KEY_POWER, parser.nextDouble(0));
position.set(Position.KEY_BATTERY, parser.nextDouble());
if (parser.hasNext(6)) {
long status = parser.nextLong(16, 0);
position.set(Position.KEY_IGNITION, BitUtil.check(status, 13));
position.set(Position.KEY_STATUS, status);
position.set("ioStatus", parser.next());
position.set(Position.KEY_GEOFENCE, parser.next() + parser.next());
position.set("eventStatus", parser.next());
position.set("packetType", parser.next());
}
if (parser.hasNext()) {
position.set("eventData", parser.next());
}
if (parser.hasNext()) {
position.set("obd", parser.next());
}
if (parser.hasNext()) {
position.set("tagData", parser.next());
}
return position;
}
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
if (channel != null) {
channel.write("1234");
}
String sentence = (String) msg;
Pattern pattern = PATTERN;
if (sentence.startsWith("*GS02")) {
pattern = PATTERN_OLD;
}
Parser parser = new Parser(pattern, (String) msg);
if (!parser.matches()) {
return null;
}
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
if (pattern == PATTERN_OLD) {
Position position = new Position();
position.setProtocol(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
DateBuilder dateBuilder = new DateBuilder()
.setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
position.setValid(parser.next().equals("A"));
position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0)));
position.setCourse(parser.nextDouble(0));
position.set(Position.KEY_HDOP, parser.next());
dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
position.setTime(dateBuilder.getDate());
return position;
} else {
Date time = null;
if (parser.hasNext(6)) {
time = parser.nextDateTime(Parser.DateTimeFormat.HMS_DMY);
}
List<Position> positions = new LinkedList<>();
Parser itemParser = new Parser(PATTERN_ITEM, parser.next());
while (itemParser.find()) {
positions.add(decodePosition(deviceSession, itemParser, time));
}
return positions;
}
}
}