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/*
* Copyright 2012 - 2015 Anton Tananaev (anton.tananaev@gmail.com)
*
* 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 java.net.SocketAddress;
import java.util.regex.Pattern;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.Context;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Event;
import org.traccar.model.Position;
public class Gl200ProtocolDecoder extends BaseProtocolDecoder {
public Gl200ProtocolDecoder(Gl200Protocol protocol) {
super(protocol);
}
private static final Pattern PATTERN_HEARTBEAT = new PatternBuilder()
.text("+ACK:GTHBD,")
.number("([0-9A-Z]{2}xxxx),")
.any().text(",")
.number("(xxxx)")
.text("$").optional()
.compile();
private static final Pattern PATTERN_INF = new PatternBuilder()
.text("+RESP:GTINF,")
.number("[0-9A-Z]{2}xxxx,") // protocol version
.number("(d{15}),") // imei
.expression("[0-9A-Z]{17},") // vin
.expression("[^,]{0,20},") // device name
.number("(xx),") // state
.expression("[0-9F]{20},") // iccid
.number("d{1,2},")
.number("d{1,2},")
.expression("[01],")
.number("(d{1,5}),") // power
.text(",")
.number("(d+.d+),") // battery
.expression("([01]),") // charging
.expression("[01],")
.text(",,")
.number("d{14},") // last fix time
.text(",,,,,")
.number("[-+]dddd,") // timezone
.expression("[01],") // daylight saving
.number("(dddd)(dd)(dd)") // date
.number("(dd)(dd)(dd),") // time
.number("(xxxx)") // counter
.text("$").optional()
.compile();
private static final Pattern PATTERN = new PatternBuilder()
.groupBegin()
.text("+").expression("(?:RESP|BUFF)").text(":")
.or()
.binary("00?04,")
.number("xxxx,")
.expression("[01],")
.groupEnd()
.expression("GT...,")
.number("(?:[0-9A-Z]{2}xxxx)?,") // protocol version
.expression("([^,]+),") // imei
.groupBegin()
.expression("[0-9A-Z]{17},") // vin
.expression("[^,]{0,20},") // device name
.expression("[01],") // report type
.number("x{1,8},") // report mask
.expression("[0-9A-Z]{17},") // vin
.number("[01],") // obd connect
.number("d{1,5},") // obd voltage
.number("x{8},") // support pids
.number("(d{1,5}),") // engine rpm
.number("(d{1,3}),") // speed
.number("(-?d{1,3}),") // coolant temp
.number("(d+.?d*|Inf|NaN)?,") // fuel consumption
.number("(d{1,5}),") // dtcs cleared distance
.number("d{1,5},")
.expression("([01]),") // obd connect
.number("(d{1,3}),") // number of dtcs
.number("(x*),") // dtcs
.number("(d{1,3}),") // throttle
.number("d{1,3},") // engine load
.number("(d{1,3})?,") // fuel level
.number("(d+)") // odometer
.or().any()
.groupEnd().text(",")
.number("(d{1,2})?,") // gps accuracy
.number("(d{1,3}.d)?,") // speed
.number("(d{1,3})?,") // course
.number("(-?d{1,5}.d)?,") // altitude
.number("(-?d{1,3}.d{6})?,") // longitude
.number("(-?d{1,2}.d{6})?,") // latitude
.number("(dddd)(dd)(dd)") // date
.number("(dd)(dd)(dd)").optional(2) // time
.text(",")
.number("(0ddd)?,") // mcc
.number("(0ddd)?,") // mnc
.number("(xxxx|x{8})?,") // loc
.number("(xxxx)?,") // cell
.groupBegin()
.number("(d+.d)?,") // odometer
.number("(d{1,3})?,") // battery
.groupEnd("?")
.any().text(",")
.number("(xxxx)")
.text("$").optional()
.compile();
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String sentence = (String) msg;
Parser parser = new Parser(PATTERN_HEARTBEAT, sentence);
if (parser.matches()) {
if (channel != null) {
channel.write("+SACK:GTHBD," + parser.next() + "," + parser.next() + "$", remoteAddress);
}
return null;
}
parser = new Parser(PATTERN_INF, sentence);
if (parser.matches()) {
Position position = new Position();
position.setProtocol(getProtocolName());
if (!identify(parser.next(), channel, remoteAddress)) {
return null;
}
position.setDeviceId(getDeviceId());
position.set(Event.KEY_STATUS, parser.next());
position.set(Event.KEY_POWER, parser.next());
position.set(Event.KEY_BATTERY, parser.next());
position.set(Event.KEY_CHARGE, parser.next());
DateBuilder dateBuilder = new DateBuilder()
.setDate(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
getLastLocation(position, dateBuilder.getDate());
position.set(Event.KEY_INDEX, parser.next());
return position;
}
parser = new Parser(PATTERN, sentence);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
if (!identify(parser.next(), channel, remoteAddress)) {
return null;
}
position.setDeviceId(getDeviceId());
// RFID
if (sentence.startsWith("+RESP:GTIDA")) {
position.set(Event.KEY_RFID, sentence.split(",")[5]);
}
// OBD
position.set(Event.KEY_RPM, parser.next());
position.set(Event.KEY_OBD_SPEED, parser.next());
position.set(Event.PREFIX_TEMP + 1, parser.next());
position.set("fuel-consumption", parser.next());
position.set("dtcs-cleared-distance", parser.next());
position.set("odb-connect", parser.next());
position.set("dtcs-number", parser.next());
position.set("dtcs-codes", parser.next());
position.set("throttle-position", parser.next());
position.set(Event.KEY_FUEL, parser.next());
position.set(Event.KEY_OBD_ODOMETER, parser.next());
if (parser.hasNext(12)) {
position.setValid(parser.nextInt() < 20);
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
position.setCourse(parser.nextDouble());
position.setAltitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
position.setLatitude(parser.nextDouble());
DateBuilder dateBuilder = new DateBuilder()
.setDate(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
} else {
getLastLocation(position, null);
}
position.set(Event.KEY_MCC, parser.next());
position.set(Event.KEY_MNC, parser.next());
position.set(Event.KEY_LAC, parser.next());
position.set(Event.KEY_CID, parser.next());
position.set(Event.KEY_ODOMETER, parser.next());
position.set(Event.KEY_BATTERY, parser.next());
if (Context.getConfig().getBoolean(getProtocolName() + ".ack") && channel != null) {
channel.write("+SACK:" + parser.next() + "$", remoteAddress);
}
return position;
}
}
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