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Diffstat (limited to 'src/main/java/org/traccar/protocol/MegastekProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/MegastekProtocolDecoder.java | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/MegastekProtocolDecoder.java b/src/main/java/org/traccar/protocol/MegastekProtocolDecoder.java new file mode 100644 index 000000000..d81cc0eda --- /dev/null +++ b/src/main/java/org/traccar/protocol/MegastekProtocolDecoder.java @@ -0,0 +1,419 @@ +/* + * Copyright 2013 - 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 io.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +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 MegastekProtocolDecoder extends BaseProtocolDecoder { + + public MegastekProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN_GPRMC = new PatternBuilder() + .text("$GPRMC,") + .number("(dd)(dd)(dd).(ddd),") // time (hhmmss.sss) + .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 (ddmmyy) + .any() // checksum + .compile(); + + private static final Pattern PATTERN_SIMPLE = new PatternBuilder() + .expression("[FL],") // flag + .expression("([^,]*),") // alarm + .number("imei:(d+),") // imei + .number("(d+/?d*)?,") // satellites + .number("(d+.d+)?,") // altitude + .number("Battery=(d+)%,,?") // battery + .number("(d)?,") // charger + .number("(d+)?,") // mcc + .number("(d+)?,") // mnc + .number("(xxxx),") // lac + .number("(xxxx);") // cid + .any() // checksum + .compile(); + + private static final Pattern PATTERN_ALTERNATIVE = new PatternBuilder() + .number("(d+),") // mcc + .number("(d+),") // mnc + .number("(xxxx),") // lac + .number("(xxxx),") // cid + .number("(d+),") // gsm signal + .number("(d+),") // battery + .number("(d+),") // flags + .number("(d+),") // inputs + .number("(?:(d+),)?") // outputs + .number("(d.?d*),") // adc 1 + .groupBegin() + .number("(d.dd),") // adc 2 + .number("(d.dd),") // adc 3 + .groupEnd("?") + .expression("([^;]+);") // alarm + .any() // checksum + .compile(); + + private boolean parseLocation(String location, Position position) { + + Parser parser = new Parser(PATTERN_GPRMC, location); + if (!parser.matches()) { + return false; + } + + DateBuilder dateBuilder = new DateBuilder() + .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble(0)); + position.setCourse(parser.nextDouble(0)); + + dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0)); + position.setTime(dateBuilder.getDate()); + + return true; + } + + private Position decodeOld(Channel channel, SocketAddress remoteAddress, String sentence) { + + // Detect type + boolean simple = sentence.charAt(3) == ',' || sentence.charAt(6) == ','; + + // Split message + String id; + String location; + String status; + if (simple) { + + int beginIndex = sentence.indexOf(',') + 1; + int endIndex = sentence.indexOf(',', beginIndex); + id = sentence.substring(beginIndex, endIndex); + + beginIndex = endIndex + 1; + endIndex = sentence.indexOf('*', beginIndex); + if (endIndex != -1) { + endIndex += 3; + } else { + endIndex = sentence.length(); + } + location = sentence.substring(beginIndex, endIndex); + + beginIndex = endIndex + 1; + if (beginIndex > sentence.length()) { + beginIndex = endIndex; + } + status = sentence.substring(beginIndex); + + } else { + + int beginIndex = 3; + int endIndex = beginIndex + 16; + id = sentence.substring(beginIndex, endIndex).trim(); + + beginIndex = endIndex + 2; + endIndex = sentence.indexOf('*', beginIndex) + 3; + location = sentence.substring(beginIndex, endIndex); + + beginIndex = endIndex + 1; + status = sentence.substring(beginIndex); + + } + + Position position = new Position(getProtocolName()); + if (!parseLocation(location, position)) { + return null; + } + + if (simple) { + + Parser parser = new Parser(PATTERN_SIMPLE, status); + if (parser.matches()) { + + position.set(Position.KEY_ALARM, decodeAlarm(parser.next())); + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next(), id); + if (deviceSession == null) { + return null; + } + position.setDeviceId(deviceSession.getDeviceId()); + + String sat = parser.next(); + if (sat.contains("/")) { + position.set(Position.KEY_SATELLITES, Integer.parseInt(sat.split("/")[0])); + position.set(Position.KEY_SATELLITES_VISIBLE, Integer.parseInt(sat.split("/")[1])); + } else { + position.set(Position.KEY_SATELLITES, Integer.parseInt(sat)); + } + + position.setAltitude(parser.nextDouble(0)); + + position.set(Position.KEY_BATTERY_LEVEL, parser.nextDouble(0)); + + String charger = parser.next(); + if (charger != null) { + position.set(Position.KEY_CHARGE, Integer.parseInt(charger) == 1); + } + + if (parser.hasNext(4)) { + position.setNetwork(new Network(CellTower.from( + parser.nextInt(0), parser.nextInt(0), parser.nextHexInt(0), parser.nextHexInt(0)))); + } + + } else { + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id); + if (deviceSession == null) { + return null; + } + position.setDeviceId(deviceSession.getDeviceId()); + + } + + } else { + + Parser parser = new Parser(PATTERN_ALTERNATIVE, status); + if (parser.matches()) { + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id); + if (deviceSession == null) { + return null; + } + position.setDeviceId(deviceSession.getDeviceId()); + + position.setNetwork(new Network(CellTower.from(parser.nextInt(0), parser.nextInt(0), + parser.nextHexInt(0), parser.nextHexInt(0), parser.nextInt(0)))); + + position.set(Position.KEY_BATTERY_LEVEL, parser.nextDouble()); + + position.set(Position.KEY_FLAGS, parser.next()); + position.set(Position.KEY_INPUT, parser.next()); + position.set(Position.KEY_OUTPUT, parser.next()); + 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.KEY_ALARM, decodeAlarm(parser.next())); + + } + } + + return position; + } + + private static final Pattern PATTERN_NEW = new PatternBuilder() + .number("dddd").optional() + .text("$MGV") + .number("ddd,") + .number("(d+),") // imei + .expression("[^,]*,") // name + .expression("([RS]),") + .number("(dd)(dd)(dd),") // date (ddmmyy) + .number("(dd)(dd)(dd),") // time (hhmmss) + .expression("([AV]),") // validity + .number("(d+)(dd.d+),([NS]),") // latitude + .number("(d+)(dd.d+),([EW]),") // longitude + .number("dd,") + .number("(dd),") // satellites + .number("dd,") + .number("(d+.d+),") // hdop + .number("(d+.d+)?,") // speed + .number("(d+.d+)?,") // course + .number("(-?d+.d+),") // altitude + .number("(d+.d+)?,") // odometer + .number("(d+),") // mcc + .number("(d+),") // mnc + .number("(xxxx)?,") // lac + .number("(x+)?,") // cid + .number("(d+)?,") // gsm + .groupBegin() + .number("([01]{4})?,") // input + .number("([01]{4})?,") // output + .number("(d+)?,") // adc1 + .number("(d+)?,") // adc2 + .number("(d+)?,") // adc3 + .or() + .number("(d+),") // input + .number("(d+),") // output + .number("(d+),") // adc1 + .number("(d+),") // adc2 + .number("(d+),") // adc3 + .groupEnd() + .groupBegin() + .number("(-?d+.?d*)") // temperature 1 + .or().text(" ") + .groupEnd("?").text(",") + .groupBegin() + .number("(-?d+.?d*)") // temperature 2 + .or().text(" ") + .groupEnd("?").text(",") + .number("(d+)?,") // rfid + .expression("[^,]*,") + .number("(d+)?,") // battery + .expression("([^,]*)") // alert + .any() + .compile(); + + private Position decodeNew(Channel channel, SocketAddress remoteAddress, String sentence) { + + Parser parser = new Parser(PATTERN_NEW, sentence); + 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.next().equals("S")) { + position.set(Position.KEY_ARCHIVE, true); + } + + position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS)); + + position.setValid(parser.next().equals("A")); + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + + position.set(Position.KEY_SATELLITES, parser.nextInt(0)); + position.set(Position.KEY_HDOP, parser.nextDouble(0)); + + position.setSpeed(parser.nextDouble(0)); + position.setCourse(parser.nextDouble(0)); + position.setAltitude(parser.nextDouble(0)); + + if (parser.hasNext()) { + position.set(Position.KEY_ODOMETER, parser.nextDouble(0) * 1000); + } + + int mcc = parser.nextInt(); + int mnc = parser.nextInt(); + Integer lac = parser.nextHexInt(); + Integer cid = parser.nextHexInt(); + Integer rssi = parser.nextInt(); + if (lac != null && cid != null) { + CellTower tower = CellTower.from(mcc, mnc, lac, cid); + if (rssi != null) { + tower.setSignalStrength(rssi); + } + position.setNetwork(new Network(tower)); + } + + if (parser.hasNext(5)) { + position.set(Position.KEY_INPUT, parser.nextBinInt(0)); + position.set(Position.KEY_OUTPUT, parser.nextBinInt(0)); + for (int i = 1; i <= 3; i++) { + position.set(Position.PREFIX_ADC + i, parser.nextInt(0)); + } + } + + if (parser.hasNext(5)) { + position.set(Position.KEY_HEART_RATE, parser.nextInt()); + position.set(Position.KEY_STEPS, parser.nextInt()); + position.set("activityTime", parser.nextInt()); + position.set("lightSleepTime", parser.nextInt()); + position.set("deepSleepTime", parser.nextInt()); + } + + for (int i = 1; i <= 2; i++) { + String adc = parser.next(); + if (adc != null) { + position.set(Position.PREFIX_TEMP + i, Double.parseDouble(adc)); + } + } + + position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next()); + + String battery = parser.next(); + if (battery != null) { + position.set(Position.KEY_BATTERY, Integer.parseInt(battery)); + } + + position.set(Position.KEY_ALARM, decodeAlarm(parser.next())); + + return position; + } + + private String decodeAlarm(String value) { + value = value.toLowerCase(); + if (value.startsWith("geo")) { + if (value.endsWith("in")) { + return Position.ALARM_GEOFENCE_ENTER; + } else if (value.endsWith("out")) { + return Position.ALARM_GEOFENCE_EXIT; + } + } + switch (value) { + case "poweron": + return Position.ALARM_POWER_ON; + case "poweroff": + return Position.ALARM_POWER_ON; + case "sos": + case "help": + return Position.ALARM_SOS; + case "over speed": + case "overspeed": + return Position.ALARM_OVERSPEED; + case "lowspeed": + return Position.ALARM_LOW_SPEED; + case "low battery": + case "lowbattery": + return Position.ALARM_LOW_BATTERY; + case "vib": + return Position.ALARM_VIBRATION; + case "move in": + return Position.ALARM_GEOFENCE_ENTER; + case "move out": + return Position.ALARM_GEOFENCE_EXIT; + case "error": + return Position.ALARM_FAULT; + default: + return null; + } + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + + if (sentence.contains("$MG")) { + return decodeNew(channel, remoteAddress, sentence); + } else { + return decodeOld(channel, remoteAddress, sentence); + } + } + +} |