/* * Copyright 2015 - 2019 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 io.netty.channel.Channel; import org.traccar.BaseProtocolDecoder; import org.traccar.DeviceSession; import org.traccar.NetworkMessage; import org.traccar.Protocol; 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 org.traccar.model.WifiAccessPoint; import java.net.SocketAddress; import java.text.SimpleDateFormat; import java.util.Date; import java.util.regex.Pattern; public class TrvProtocolDecoder extends BaseProtocolDecoder { public TrvProtocolDecoder(Protocol protocol) { super(protocol); } private static final Pattern PATTERN = new PatternBuilder() .expression("[A-Z]{2,3}") .expression("[A-Z]P") .number("dd") .number("(dd)(dd)(dd)") // date (yymmdd) .expression("([AV])") // validity .number("(dd)(dd.d+)") // latitude .expression("([NS])") .number("(ddd)(dd.d+)") // longitude .expression("([EW])") .number("(ddd.d)") // speed .number("(dd)(dd)(dd)") // time (hhmmss) .number("([d.]{6})") // course .number("(ddd)") // gsm .number("(ddd)") // satellites .number("(ddd)") // battery .number("(d)") // acc .number("(dd)") // arm status .number("(dd)") // working mode .number("(?:[0-2]{3})?,") .number("(d+),") // mcc .number("(d+),") // mnc .number("(d+),") // lac .number("(d+)") // cell .any() .compile(); private static final Pattern PATTERN_HEATRBEAT = new PatternBuilder() .expression("[A-Z]{2,3}") .text("CP01,") .number("(ddd)") // gsm .number("(ddd)") // gps .number("(ddd)") // battery .number("(d)") // acc .number("(dd)") // arm status .number("(dd)") // working mode .groupBegin() .number("(ddd)") // interval .number("d") // vibration alarm .number("ddd") // vibration sensitivity .number("d") // automatic arm .number("dddd") // automatic arm time .number("(d)") // blocked .number("(d)") // power status .number("(d)") // movement status .groupEnd("?") .any() .compile(); private static final Pattern PATTERN_LBS = new PatternBuilder() .expression("[A-Z]{2,3}") .text("AP02,") .expression("[^,]+,") // language .number("[01],") // reply .number("d+,") // cell count .number("(d+),") // mcc .number("(d+),") // mnc .expression("(") .groupBegin() .number("d+|") // lac .number("d+|") // cid .number("d+,") // rssi .groupEnd("+") .expression(")") .number("d+,") // wifi count .expression("(.*)") // wifi .compile(); private Boolean decodeOptionalValue(Parser parser, int activeValue) { int value = parser.nextInt(); if (value != 0) { return value == activeValue; } return null; } private void decodeCommon(Position position, Parser parser) { position.set(Position.KEY_RSSI, parser.nextInt()); position.set(Position.KEY_SATELLITES, parser.nextInt()); position.set(Position.KEY_BATTERY, parser.nextInt()); position.set(Position.KEY_IGNITION, decodeOptionalValue(parser, 1)); position.set(Position.KEY_ARMED, decodeOptionalValue(parser, 1)); int mode = parser.nextInt(); if (mode != 0) { position.set("mode", mode); } } @Override protected Object decode( Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { String sentence = (String) msg; String id = sentence.startsWith("TRV") ? sentence.substring(0, 3) : sentence.substring(0, 2); String type = sentence.substring(id.length(), id.length() + 4); if (channel != null) { String responseHeader = id + (char) (type.charAt(0) + 1) + type.substring(1); if (type.equals("AP00") && id.equals("IW")) { String time = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()); channel.writeAndFlush(new NetworkMessage(responseHeader + "," + time + ",0#", remoteAddress)); } else if (type.equals("AP14")) { channel.writeAndFlush(new NetworkMessage(responseHeader + ",0.000,0.000#", remoteAddress)); } else { channel.writeAndFlush(new NetworkMessage(responseHeader + "#", remoteAddress)); } } if (type.equals("AP00")) { getDeviceSession(channel, remoteAddress, sentence.substring(id.length() + type.length())); return null; } DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); if (deviceSession == null) { return null; } if (type.equals("CP01")) { Parser parser = new Parser(PATTERN_HEATRBEAT, sentence); if (!parser.matches()) { return null; } Position position = new Position(getProtocolName()); position.setDeviceId(deviceSession.getDeviceId()); getLastLocation(position, null); decodeCommon(position, parser); if (parser.hasNext(3)) { position.set(Position.KEY_BLOCKED, decodeOptionalValue(parser, 2)); position.set(Position.KEY_CHARGE, decodeOptionalValue(parser, 1)); position.set(Position.KEY_MOTION, decodeOptionalValue(parser, 1)); } return position; } else if (type.equals("AP01") || type.equals("AP10") || type.equals("YP03")) { Parser parser = new Parser(PATTERN, sentence); if (!parser.matches()) { return null; } Position position = new Position(getProtocolName()); position.setDeviceId(deviceSession.getDeviceId()); DateBuilder dateBuilder = new DateBuilder() .setDate(parser.nextInt(), parser.nextInt(), parser.nextInt()); position.setValid(parser.next().equals("A")); position.setLatitude(parser.nextCoordinate()); position.setLongitude(parser.nextCoordinate()); position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble())); dateBuilder.setTime(parser.nextInt(), parser.nextInt(), parser.nextInt()); position.setTime(dateBuilder.getDate()); position.setCourse(parser.nextDouble()); decodeCommon(position, parser); position.setNetwork(new Network(CellTower.from( parser.nextInt(), parser.nextInt(), parser.nextInt(), parser.nextInt()))); return position; } else if (type.equals("AP02")) { Parser parser = new Parser(PATTERN_LBS, sentence); if (!parser.matches()) { return null; } Position position = new Position(getProtocolName()); position.setDeviceId(deviceSession.getDeviceId()); getLastLocation(position, null); int mcc = parser.nextInt(); int mnc = parser.nextInt(); Network network = new Network(); for (String cell : parser.next().split(",")) { if (!cell.isEmpty()) { String[] values = cell.split("\\|"); network.addCellTower(CellTower.from( mcc, mnc, Integer.parseInt(values[0]), Integer.parseInt(values[1]), Integer.parseInt(values[2]))); } } for (String wifi : parser.next().split("&")) { if (!wifi.isEmpty()) { String[] values = wifi.split("\\|"); network.addWifiAccessPoint(WifiAccessPoint.from(values[1], Integer.parseInt(values[2]))); } } position.setNetwork(network); return position; } return null; } }