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package org.traccar.protocol;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.Context;
import org.traccar.DeviceSession;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.Parser;
import org.traccar.helper.PatternBuilder;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.util.TimeZone;
import java.util.regex.Pattern;
public class TkmateProtocolDecoder extends BaseProtocolDecoder {
private final TimeZone timeZone = TimeZone.getTimeZone("UTC");
public TkmateProtocolDecoder(TkmateProtocol protocol) {
super(protocol);
timeZone.setRawOffset(Context.getConfig().getInteger(getProtocolName() + ".timezone") * 1000);
}
private static final Pattern PATTERN_SRT = new PatternBuilder()
.text("^TMSRT|")
.expression("([^ ]+)|") // uid
.number("(d+.d+)|") // latitude
.number("(d+.d+)|") // longitude
.number("(dd)(dd)(dd)|") // time
.number("(dd)(dd)(dd)|") // date
.number("(d+.d+)|") // software ver
.number("(d+.d+)|") // Hardware ver
.any()
.compile();
private static final Pattern PATTERN_PER = new PatternBuilder()
.text("^TMPER|")
.expression("([^ ]+)|") // uid
.number("(d+)|") // seq
.number("(d+.d+)|") // latitude
.number("(d+.d+)|") // longitude
.number("(dd)(dd)(dd)|") // time
.number("(dd)(dd)(dd)|") // date
.number("(d+.d+)|") // speed
.number("(d+.d+)|") // heading
.number("(d+)|") // ignition
.number("(d+)|") // dop1
.number("(d+)|") // dop2
.number("(d+.d+)|") // analog
.number("(d+.d+)|") // internal battery
.number("(d+.d+)|") // vehicle battery
.number("(d+.d+)|") // gps odometer
.number("(d+.d+)|") // pulse odometer
.number("(d+)|") // main power status
.number("(d+)|") // gps data validity
.number("(d+)|") // live or cache
.any()
.compile();
private static final Pattern PATTERN_ALT = new PatternBuilder()
.text("^TMALT|")
.expression("([^ ]+)|") // uid
.number("(d+)|") // seq
.number("(d+)|") // Alert type
.number("(d+)|") // Alert status
.number("(d+.d+)|") // latitude
.number("(d+.d+)|") // longitude
.number("(dd)(dd)(dd)|") // time
.number("(dd)(dd)(dd)|") // date
.number("(d+.d+)|") // speed
.number("(d+.d+)|") // heading
.any()
.compile();
private String decodeAlarm(int value) {
switch (value) {
case 1:
return Position.ALARM_SOS;
case 3:
return Position.ALARM_GEOFENCE;
case 4:
return Position.ALARM_POWER_CUT;
default:
return null;
}
}
private Object decodeSrt(Channel channel, SocketAddress remoteAddress, String sentence) {
Parser parser = new Parser(PATTERN_SRT, sentence);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
DateBuilder dateBuilder = new DateBuilder(timeZone)
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.set(Position.KEY_VERSION, parser.next());
parser.next(); //hardware version
return position;
}
private Object decodeAlt(Channel channel, SocketAddress remoteAddress, String sentence) {
Parser parser = new Parser(PATTERN_ALT, sentence);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
parser.next(); // seq
int alarm = parser.nextInt();
position.set(Position.KEY_ALARM, decodeAlarm(alarm));
parser.next(); //alert status or data
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
DateBuilder dateBuilder = new DateBuilder(timeZone)
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.setSpeed(parser.nextDouble());
position.setCourse(parser.nextDouble());
return position;
}
protected Object decodePer(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
Parser parser = new Parser(PATTERN_PER, (String) msg);
if (!parser.matches()) {
return null;
}
Position position = new Position();
position.setProtocol(getProtocolName());
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
parser.next(); //seq
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
DateBuilder dateBuilder = new DateBuilder(timeZone)
.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt())
.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
position.setTime(dateBuilder.getDate());
position.setSpeed(parser.nextDouble());
position.setCourse(parser.nextDouble());
position.set(Position.KEY_IGNITION, parser.nextInt() == 1);
parser.next(); //dop1
parser.next(); //dop2
parser.next(); //analog input
position.set(Position.KEY_BATTERY, parser.nextDouble()); //device battery voltage
parser.next(); //vehicle internal voltage
position.set(Position.KEY_ODOMETER, parser.nextDouble()); //GPS odometer
parser.next(); //pulse odometer
position.set(Position.KEY_STATUS, parser.nextInt());
position.setValid(parser.nextInt() != 0);
position.set(Position.KEY_ARCHIVE, parser.nextInt() == 1);
return position;
}
@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
String sentence = (String) msg;
int typeIndex = sentence.indexOf("^TM");
if (typeIndex < 0) {
return null;
}
Object result;
String type = sentence.substring(typeIndex + 3, typeIndex + 6);
switch (type) {
case "ALT":
result = decodeAlt(channel, remoteAddress, sentence);
break;
case "SRT":
result = decodeSrt(channel, remoteAddress, sentence);
break;
case "PER":
result = decodePer(channel, remoteAddress, sentence);
break;
default:
return null;
}
return result;
}
}
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