/*
* Copyright 2016 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 java.net.SocketAddress;
import java.util.regex.Pattern;
import org.jboss.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.helper.Parser;
import org.traccar.helper.Parser.CoordinateFormat;
import org.traccar.helper.PatternBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Position;
public class CarcellProtocolDecoder extends BaseProtocolDecoder {
public CarcellProtocolDecoder(CarcellProtocol protocol) {
super(protocol);
}
private static final Pattern PATTERN = new PatternBuilder()
.expression("([$%])") // memory flag
.number("(d+),") // imei
.groupBegin()
.number("([NS])(dd)(dd).(dddd),") // latitude
.number("([EW])(ddd)(dd).(dddd),") // longitude
.or()
.text("CEL,")
.number("([NS])(d+.d+),") // latitude
.number("([EW])(d+.d+),") // longitude
.groupEnd()
.number("(d+),") // speed
.number("(d+),") // course
.groupBegin()
.number("([-+]ddd)([-+]ddd)([-+]ddd),") // x,y,z
.or()
.number("(d+),") // accel
.groupEnd()
.number("(d+),") // battery
.number("(d+),") // csq
.number("(d),") // jamming
.number("(d+),") // hdop
.expression("([CG]),?") // clock type
.number("(dd)(dd)(dd),") // date (ddmmyy)
.number("(dd)(dd)(dd),") // time (hhmmss)
.number("(d),") // block
.number("(d),") // ignition
.groupBegin()
.number("(d),") // cloned
.expression("([AF])") // panic
.number("(d),") // painel
.number("(d+),") // battery voltage
.or()
.number("(dd),") // time until delivery
.expression("([AF])") // panic
.number("(d),") // aux
.number("(d{2,4}),") // battery voltage
.number("(d{20}),") // ccid
.groupEnd()
.number("(xx)") // crc
.any() // full format
.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;
}
Position position = new Position();
position.setProtocol(getProtocolName());
position.set(Position.KEY_ARCHIVE, parser.next().equals("%"));
position.setValid(true);
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
if (deviceSession == null) {
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
if (parser.hasNext(8)) {
position.setLatitude(parser.nextCoordinate(CoordinateFormat.HEM_DEG_MIN_MIN));
position.setLongitude(parser.nextCoordinate(CoordinateFormat.HEM_DEG_MIN_MIN));
}
if (parser.hasNext(4)) {
position.setLatitude(parser.nextCoordinate(CoordinateFormat.HEM_DEG));
position.setLongitude(parser.nextCoordinate(CoordinateFormat.HEM_DEG));
}
position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt(0)));
position.setCourse(parser.nextInt(0));
if (parser.hasNext(3)) {
position.set("x", parser.nextInt(0));
position.set("y", parser.nextInt(0));
position.set("z", parser.nextInt(0));
}
if (parser.hasNext(1)) {
position.set(Position.KEY_ACCELERATION, parser.nextInt(0));
}
Double internalBattery = (parser.nextDouble(0) + 100d) * 0.0294d;
position.set(Position.KEY_BATTERY, internalBattery);
position.set(Position.KEY_RSSI, parser.nextInt(0));
position.set("jamming", parser.next().equals("1"));
position.set(Position.KEY_GPS, parser.nextInt(0));
position.set("clockType", parser.next());
position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
position.set("blocked", parser.next().equals("1"));
position.set(Position.KEY_IGNITION, parser.next().equals("1"));
if (parser.hasNext(4)) {
position.set("cloned", parser.next().equals("1"));
parser.next(); // panic button status
String painelStatus = parser.next();
if (painelStatus.equals("1")) {
position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
}
position.set("painel", painelStatus.equals("2"));
Double mainVoltage = parser.nextDouble(0) / 100d;
position.set(Position.KEY_POWER, mainVoltage);
}
if (parser.hasNext(5)) {
position.set("timeUntilDelivery", parser.nextInt(0));
parser.next(); // panic button status
position.set(Position.KEY_INPUT, parser.next());
Double mainVoltage = parser.nextDouble(0) / 100d;
position.set(Position.KEY_POWER, mainVoltage);
position.set("iccid", parser.next());
}
return position;
}
}