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/*
* Copyright 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 org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.helper.BitUtil;
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.Date;
import java.util.regex.Pattern;
public class SabertekProtocolDecoder extends BaseProtocolDecoder {
public SabertekProtocolDecoder(SabertekProtocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.text(",")
.number("(d+),") // id
.number("d,") // type
.groupBegin()
.number("d+,") // imei
.number("d+,") // scid
.expression("[^,]*,") // phone
.number("(dddd)(dd)(dd)") // date (yyyymmdd)
.number("(dd)(dd)(dd),") // time (hhmmss)
.groupEnd("?")
.number("(d+),") // battery
.number("(d+),") // rssi
.number("(d+),") // state
.number("(d+),") // events
.number("(d),") // valid
.number("(-?d+.d+),") // latitude
.number("(-?d+.d+),") // longitude
.number("(d+),") // speed
.number("(d+),") // course
.number("(d+),") // altitude
.number("(d+),") // satellites
.number("(d+),") // odometer
.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());
if (parser.hasNext(6)) {
position.setTime(parser.nextDateTime());
} else {
position.setTime(new Date());
}
position.set(Position.KEY_BATTERY_LEVEL, parser.nextInt());
position.set(Position.KEY_RSSI, parser.nextInt());
int state = parser.nextInt();
position.set(Position.KEY_IGNITION, BitUtil.check(state, 0));
position.set(Position.KEY_CHARGE, BitUtil.check(state, 1));
if (BitUtil.check(state, 2)) {
position.set(Position.KEY_ALARM, Position.ALARM_JAMMING);
}
if (BitUtil.check(state, 3)) {
position.set(Position.KEY_ALARM, Position.ALARM_TAMPERING);
}
int events = parser.nextInt();
if (BitUtil.check(events, 0)) {
position.set(Position.KEY_ALARM, Position.ALARM_BRAKING);
}
if (BitUtil.check(events, 1)) {
position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED);
}
if (BitUtil.check(events, 2)) {
position.set(Position.KEY_ALARM, Position.ALARM_ACCIDENT);
}
if (BitUtil.check(events, 3)) {
position.set(Position.KEY_ALARM, Position.ALARM_CORNERING);
}
position.setValid(parser.nextInt() == 1);
position.setLatitude(parser.nextDouble());
position.setLongitude(parser.nextDouble());
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
position.setCourse(parser.nextInt());
position.setAltitude(parser.nextInt());
position.set(Position.KEY_SATELLITES, parser.nextInt());
position.set(Position.KEY_ODOMETER, parser.nextInt() * 1000L);
return position;
}
}
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