/* * Copyright 2012 - 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.model.CellTower; import org.traccar.model.Network; import org.traccar.model.Position; import java.net.SocketAddress; import java.util.regex.Pattern; public class Gps103ProtocolDecoder extends BaseProtocolDecoder { public Gps103ProtocolDecoder(Gps103Protocol protocol) { super(protocol); } private static final Pattern PATTERN = new PatternBuilder() .text("imei:") .number("(d+),") // imei .expression("([^,]+),") // alarm .number("(dd)/?(dd)/?(dd) ?") // local date (yymmdd) .number("(dd):?(dd)(?:dd)?,") // local time (hhmmss) .expression("([^,]+)?,") // rfid .expression("[FL],") // full / low .groupBegin() .number("(dd)(dd)(dd).d+") // time utc (hhmmss) .or() .number("(?:d{1,5}.d+)?") .groupEnd() .text(",") .expression("([AV]),") // validity .expression("([NS]),").optional() .number("(d+)(dd.d+),") // latitude (ddmm.mmmm) .expression("([NS]),").optional() .expression("([EW]),").optional() .number("(d+)(dd.d+),") // longitude (dddmm.mmmm) .expression("([EW])?,").optional() .number("(d+.?d*)?,?") // speed .number("(d+.?d*)?,?") // course .number("(d+.?d*)?,?") // altitude .expression("([^,;]+)?,?") .expression("([^,;]+)?,?") .expression("([^,;]+)?,?") .expression("([^,;]+)?,?") .expression("([^,;]+)?,?") .any() .compile(); private static final Pattern PATTERN_NETWORK = new PatternBuilder() .text("imei:") .number("(d+),") // imei .expression("[^,]+,") // alarm .number("d*,,") .text("L,,,") .number("(x+),,") // lac .number("(x+),,,") // cid .any() .compile(); private static final Pattern PATTERN_HANDSHAKE = new PatternBuilder() .number("##,imei:(d+),A") .compile(); private static final Pattern PATTERN_OBD = new PatternBuilder() .text("imei:") .number("(d+),") // imei .expression("OBD,") // type .number("(dd)(dd)(dd)") // date (yymmdd) .number("(dd)(dd)(dd),") // time (hhmmss) .number("(d+),") // odometer .number("(d+.d+)?,") // fuel instant .number("(d+.d+)?,") // fuel average .number("(d+),") // hours .number("(d+),") // speed .number("d+.?d*%,") // power load .number("(d+),") // temperature .number("(d+.?d*%),") // throttle .number("(d+),") // rpm .number("(d+.d+),") // battery .number("([^;]*)") // dtcs .any() .compile(); private String decodeAlarm(String value) { if (value.startsWith("T:")) { return Position.ALARM_TEMPERATURE; } else if (value.startsWith("oil")) { return Position.ALARM_OIL_LEAK; } switch (value) { case "tracker": return null; case "help me": return Position.ALARM_SOS; case "low battery": return Position.ALARM_LOW_BATTERY; case "stockade": return Position.ALARM_GEOFENCE; case "move": return Position.ALARM_MOVEMENT; case "speed": return Position.ALARM_OVERSPEED; case "acc on": return Position.ALARM_POWER_ON; case "acc off": return Position.ALARM_POWER_OFF; case "door alarm": return Position.ALARM_DOOR; case "ac alarm": return Position.ALARM_POWER_CUT; case "accident alarm": return Position.ALARM_ACCIDENT; case "sensor alarm": return Position.ALARM_SHOCK; case "bonnet alarm": return Position.ALARM_BONNET; case "footbrake alarm": return Position.ALARM_FOOT_BRAKE; case "DTC": return Position.ALARM_FAULT; default: return null; } } @Override protected Object decode( Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { String sentence = (String) msg; // Send response #1 if (sentence.contains("##")) { if (channel != null) { channel.write("LOAD", remoteAddress); Parser handshakeParser = new Parser(PATTERN_HANDSHAKE, sentence); if (handshakeParser.matches()) { getDeviceSession(channel, remoteAddress, handshakeParser.next()); } } return null; } // Send response #2 if (!sentence.isEmpty() && Character.isDigit(sentence.charAt(0))) { if (channel != null) { channel.write("ON", remoteAddress); } int start = sentence.indexOf("imei:"); if (start >= 0) { sentence = sentence.substring(start); } else { return null; } } Position position = new Position(); position.setProtocol(getProtocolName()); Parser parser = new Parser(PATTERN_NETWORK, sentence); if (parser.matches()) { DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); if (deviceSession == null) { return null; } position.setDeviceId(deviceSession.getDeviceId()); getLastLocation(position, null); position.setNetwork(new Network( CellTower.fromLacCid(parser.nextHexInt(0), parser.nextHexInt(0)))); return position; } parser = new Parser(PATTERN_OBD, sentence); if (parser.matches()) { DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); if (deviceSession == null) { return null; } position.setDeviceId(deviceSession.getDeviceId()); getLastLocation(position, parser.nextDateTime()); position.set(Position.KEY_ODOMETER, parser.nextInt(0)); parser.nextDouble(0); // instant fuel consumption position.set(Position.KEY_FUEL_CONSUMPTION, parser.nextDouble(0)); position.set(Position.KEY_HOURS, parser.nextInt(0)); position.set(Position.KEY_OBD_SPEED, parser.nextInt(0)); position.set(Position.PREFIX_TEMP + 1, parser.nextInt(0)); position.set(Position.KEY_THROTTLE, parser.next()); position.set(Position.KEY_RPM, parser.nextInt(0)); position.set(Position.KEY_BATTERY, parser.nextDouble(0)); position.set(Position.KEY_DTCS, parser.next().replace(',', ' ').trim()); return position; } parser = new Parser(PATTERN, sentence); if (!parser.matches()) { return null; } String imei = parser.next(); DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei); if (deviceSession == null) { return null; } position.setDeviceId(deviceSession.getDeviceId()); String alarm = parser.next(); position.set(Position.KEY_ALARM, decodeAlarm(alarm)); if (alarm.equals("help me")) { if (channel != null) { channel.write("**,imei:" + imei + ",E;", remoteAddress); } } else if (alarm.equals("acc on")) { position.set(Position.KEY_IGNITION, true); } else if (alarm.equals("acc off")) { position.set(Position.KEY_IGNITION, false); } else if (alarm.startsWith("T:")) { position.set(Position.PREFIX_TEMP + 1, alarm.substring(2)); } else if (alarm.startsWith("oil ")) { position.set("oil", alarm.substring(4)); } DateBuilder dateBuilder = new DateBuilder() .setDate(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); int localHours = parser.nextInt(0); int localMinutes = parser.nextInt(0); String rfid = parser.next(); if (alarm.equals("rfid")) { position.set(Position.KEY_RFID, rfid); } String utcHours = parser.next(); String utcMinutes = parser.next(); dateBuilder.setTime(localHours, localMinutes, parser.nextInt(0)); // Timezone calculation if (utcHours != null && utcMinutes != null) { int deltaMinutes = (localHours - Integer.parseInt(utcHours)) * 60; deltaMinutes += localMinutes - Integer.parseInt(utcMinutes); if (deltaMinutes <= -12 * 60) { deltaMinutes += 24 * 60; } else if (deltaMinutes > 12 * 60) { deltaMinutes -= 24 * 60; } dateBuilder.addMinute(-deltaMinutes); } position.setTime(dateBuilder.getDate()); position.setValid(parser.next().equals("A")); position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_HEM)); position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG_MIN_HEM)); position.setSpeed(parser.nextDouble(0)); position.setCourse(parser.nextDouble(0)); position.setAltitude(parser.nextDouble(0)); for (int i = 1; i <= 5; i++) { position.set(Position.PREFIX_IO + i, parser.next()); } return position; } }