/* * Copyright 2013 - 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 org.jboss.netty.channel.Channel; import org.traccar.BaseProtocolDecoder; import org.traccar.DeviceSession; 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.regex.Pattern; public class TotemProtocolDecoder extends BaseProtocolDecoder { public TotemProtocolDecoder(TotemProtocol protocol) { super(protocol); } private static final Pattern PATTERN1 = new PatternBuilder() .text("$$") // header .number("xx") // length .number("(d+)|") // imei .expression("(..)") // alarm .text("$GPRMC,") .number("(dd)(dd)(dd).d+,") // time .expression("([AV]),") // validity .number("(d+)(dd.d+),([NS]),") // latitude .number("(d+)(dd.d+),([EW]),") // longitude .number("(d+.?d*)?,") // speed .number("(d+.?d*)?,") // course .number("(dd)(dd)(dd)") // date .expression("[^*]*").text("*") .number("xx|") // checksum .number("(d+.d+)|") // pdop .number("(d+.d+)|") // hdop .number("(d+.d+)|") // vdop .number("(d+)|") // io status .number("d+|") // time .number("d") // charged .number("(ddd)") // battery .number("(dddd)|") // power .number("(d+)|").optional() // adc .number("x*(xxxx)") // lac .number("(xxxx)|") // cid .number("(d+)|") // temperature .number("(d+.d+)|") // odometer .number("d+|") // serial number .any() .number("xxxx") // checksum .any() .compile(); private static final Pattern PATTERN2 = new PatternBuilder() .text("$$") // header .number("xx") // length .number("(d+)|") // imei .expression("(..)") // alarm type .number("(dd)(dd)(dd)") // date (ddmmyy) .number("(dd)(dd)(dd)|") // time .expression("([AV])|") // validity .number("(d+)(dd.d+)|") // latitude .expression("([NS])|") .number("(d+)(dd.d+)|") // longitude .expression("([EW])|") .number("(d+.d+)?|") // speed .number("(d+)?|") // course .number("(d+.d+)|") // hdop .number("(d+)|") // io status .number("d") // charged .number("(dd)") // battery .number("(dd)|") // external power .number("(d+)|") // adc .number("(xxxx)") // lac .number("(xxxx)|") // cid .number("(d+)|") // temperature .number("(d+.d+)|") // odometer .number("d+|") // serial number .number("xxxx") // checksum .any() .compile(); private static final Pattern PATTERN3 = new PatternBuilder() .text("$$") // header .number("xx") // length .number("(d+)|") // imei .expression("(..)") // alarm type .number("(dd)(dd)(dd)") // date (yymmdd) .number("(dd)(dd)(dd)") // time .number("(xxxx)") // io status .expression("[01]") // charging .number("(dd)") // battery .number("(dd)") // external power .number("(dddd)") // adc 1 .number("(dddd)") // adc 2 .number("(ddd)") // temperature 1 .number("(ddd)") // temperature 2 .number("(xxxx)") // lac .number("(xxxx)") // cid .expression("([AV])") // validity .number("(dd)") // satellites .number("(ddd)") // course .number("(ddd)") // speed .number("(dd.d)") // pdop .number("(d{7})") // odometer .number("(dd)(dd.dddd)([NS])") // latitude .number("(ddd)(dd.dddd)([EW])") // longitude .number("dddd") // serial number .number("xxxx") // checksum .any() .compile(); private static final Pattern PATTERN4 = new PatternBuilder() .text("$$") // header .number("dddd") // length .text("AA") // type .number("(d+)|") // imei .number("(x{8})") // status .number("(dd)(dd)(dd)") // date (yymmdd) .number("(dd)(dd)(dd)") // time .number("(dd)") // battery .number("(dd)") // external power .number("(dddd)") // adc 1 .groupBegin() .groupBegin() .number("(dddd)") // adc 2 .number("(dddd)") // adc 3 .number("(dddd)") // adc 4 .groupEnd("?") .number("(dddd)") // temperature 1 .number("(dddd)") // temperature 2 .groupEnd("?") .number("(xxxx)") // lac .number("(xxxx)") // cid .number("(dd)") // satellites .number("(dd)") // gsm (rssi) .number("(ddd)") // course .number("(ddd)") // speed .number("(dd.d)") // hdop .number("(d{7})") // odometer .number("(dd)(dd.dddd)([NS])") // latitude .number("(ddd)(dd.dddd)([EW])") // longitude .number("dddd") // serial number .number("xx") // checksum .any() .compile(); private String decodeAlarm(Short value) { switch (value) { case 0x01: return Position.ALARM_SOS; case 0x10: return Position.ALARM_LOW_BATTERY; case 0x11: return Position.ALARM_OVERSPEED; case 0x42: return Position.ALARM_GEOFENCE_EXIT; case 0x43: return Position.ALARM_GEOFENCE_ENTER; default: return null; } } @Override protected Object decode( Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { String sentence = (String) msg; // Determine format Pattern pattern = PATTERN3; if (sentence.indexOf("AA") == 6) { pattern = PATTERN4; } else if (sentence.contains("$GPRMC")) { pattern = PATTERN1; } else { int index = sentence.indexOf('|'); if (index != -1 && sentence.indexOf('|', index + 1) != -1) { pattern = PATTERN2; } } Parser parser = new Parser(pattern, 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()); if (pattern == PATTERN1 || pattern == PATTERN2) { if (parser.hasNext()) { position.set(Position.KEY_ALARM, decodeAlarm(Short.parseShort(parser.next(), 16))); } DateBuilder dateBuilder = new DateBuilder(); int year = 0; if (pattern == PATTERN2) { dateBuilder.setDay(parser.nextInt()).setMonth(parser.nextInt()); year = parser.nextInt(); dateBuilder.setYear(year); } dateBuilder.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); position.setValid(parser.next().equals("A")); position.setLatitude(parser.nextCoordinate()); position.setLongitude(parser.nextCoordinate()); position.setSpeed(parser.nextDouble()); position.setCourse(parser.nextDouble()); if (pattern == PATTERN1) { dateBuilder.setDay(parser.nextInt()).setMonth(parser.nextInt()); year = parser.nextInt(); dateBuilder.setYear(year); } if (year == 0) { return null; // ignore invalid data } position.setTime(dateBuilder.getDate()); if (pattern == PATTERN1) { position.set("pdop", parser.next()); position.set(Position.KEY_HDOP, parser.next()); position.set("vdop", parser.next()); } else if (pattern == PATTERN2) { position.set(Position.KEY_HDOP, parser.next()); } position.set(Position.PREFIX_IO + 1, parser.next()); position.set(Position.KEY_BATTERY, parser.next()); position.set(Position.KEY_POWER, parser.nextDouble()); position.set(Position.PREFIX_ADC + 1, parser.next()); int lac = parser.nextInt(16); int cid = parser.nextInt(16); if (lac != 0 && cid != 0) { position.setNetwork(new Network(CellTower.fromLacCid(lac, cid))); } position.set(Position.PREFIX_TEMP + 1, parser.next()); position.set(Position.KEY_ODOMETER, parser.nextDouble() * 1000); } else if (pattern == PATTERN3) { if (parser.hasNext()) { position.set(Position.KEY_ALARM, decodeAlarm(Short.parseShort(parser.next(), 16))); } DateBuilder dateBuilder = new DateBuilder() .setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt()) .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); position.setTime(dateBuilder.getDate()); position.set(Position.PREFIX_IO + 1, parser.next()); position.set(Position.KEY_BATTERY, parser.nextDouble() / 10); position.set(Position.KEY_POWER, parser.nextDouble()); position.set(Position.PREFIX_ADC + 1, parser.next()); position.set(Position.PREFIX_ADC + 2, parser.next()); position.set(Position.PREFIX_TEMP + 1, parser.next()); position.set(Position.PREFIX_TEMP + 2, parser.next()); position.setNetwork(new Network( CellTower.fromLacCid(parser.nextInt(16), parser.nextInt(16)))); position.setValid(parser.next().equals("A")); position.set(Position.KEY_SATELLITES, parser.next()); position.setCourse(parser.nextDouble()); position.setSpeed(parser.nextDouble()); position.set("pdop", parser.next()); position.set(Position.KEY_ODOMETER, parser.next()); position.setLatitude(parser.nextCoordinate()); position.setLongitude(parser.nextCoordinate()); } else if (pattern == PATTERN4) { position.set(Position.KEY_STATUS, parser.next()); DateBuilder dateBuilder = new DateBuilder() .setDate(parser.nextInt(), parser.nextInt(), parser.nextInt()) .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); position.setTime(dateBuilder.getDate()); position.set(Position.KEY_BATTERY, parser.nextDouble() / 10); position.set(Position.KEY_POWER, parser.nextDouble()); position.set(Position.PREFIX_ADC + 1, parser.next()); position.set(Position.PREFIX_ADC + 2, parser.next()); position.set(Position.PREFIX_ADC + 3, parser.next()); position.set(Position.PREFIX_ADC + 4, parser.next()); position.set(Position.PREFIX_TEMP + 1, parser.next()); position.set(Position.PREFIX_TEMP + 2, parser.next()); CellTower cellTower = CellTower.fromLacCid(parser.nextInt(16), parser.nextInt(16)); position.set(Position.KEY_SATELLITES, parser.nextInt()); cellTower.setSignalStrength(parser.nextInt()); position.setNetwork(new Network(cellTower)); position.setCourse(parser.nextDouble()); position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble())); position.set(Position.KEY_HDOP, parser.nextDouble()); position.set(Position.KEY_ODOMETER, parser.nextInt() * 1000); position.setValid(true); position.setLatitude(parser.nextCoordinate()); position.setLongitude(parser.nextCoordinate()); } if (channel != null) { channel.write("ACK OK\r\n"); } return position; } }