diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/Gps103ProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/Gps103ProtocolDecoder.java | 422 |
1 files changed, 422 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/Gps103ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gps103ProtocolDecoder.java new file mode 100644 index 000000000..aa02e8ad4 --- /dev/null +++ b/src/main/java/org/traccar/protocol/Gps103ProtocolDecoder.java @@ -0,0 +1,422 @@ +/* + * Copyright 2012 - 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.buffer.ByteBuf; +import io.netty.buffer.Unpooled; +import io.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.Context; +import org.traccar.DeviceSession; +import org.traccar.NetworkMessage; +import org.traccar.Protocol; +import org.traccar.helper.DataConverter; +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.Matcher; +import java.util.regex.Pattern; + +public class Gps103ProtocolDecoder extends BaseProtocolDecoder { + + private int photoPackets = 0; + private ByteBuf photo; + + public Gps103ProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .text("imei:") + .number("(d+),") // imei + .expression("([^,]+),") // alarm + .groupBegin() + .number("(dd)/?(dd)/?(dd) ?") // local date (yymmdd) + .number("(dd):?(dd)(?:dd)?,") // local time (hhmmss) + .or() + .number("d*,") + .groupEnd() + .expression("([^,]+)?,") // rfid + .groupBegin() + .text("L,,,") + .number("(x+),,") // lac + .number("(x+),,,") // cid + .or() + .text("F,") + .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*)?").optional() // speed + .number(",(d+.?d*)?").optional() // course + .number(",(d+.?d*)?").optional() // altitude + .number(",([01])?").optional() // ignition + .number(",([01])?").optional() // door + .groupBegin() + .number(",(?:(d+.d+)%)?") // fuel 1 + .number(",(?:(d+.d+)%|d+)?") // fuel 2 + .groupEnd("?") + .number(",([-+]?d+)?").optional() // temperature + .groupEnd() + .any() + .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 static final Pattern PATTERN_ALT = new PatternBuilder() + .text("imei:") + .number("(d+),") // imei + .expression("[^,]+,") + .expression("(?:-+|(.+)),") // event + .expression("(?:-+|(.+)),") // sensor id + .expression("(?:-+|(.+)),") // sensor voltage + .number("(dd)(dd)(dd),") // time (hhmmss) + .number("(dd)(dd)(dd),") // date (ddmmyy) + .number("(d+),") // rssi + .number("(d),") // gps status + .number("(-?d+.d+),") // latitude + .number("(-?d+.d+),") // longitude + .number("(d+),") // speed + .number("(d+),") // course + .number("(-?d+),") // altitude + .number("(d+.d+),") // hdop + .number("(d+),") // satellites + .number("([01]),") // ignition + .number("([01]),") // charge + .expression("(?:-+|(.+))") // error + .any() + .compile(); + + private String decodeAlarm(String value) { + if (value.startsWith("T:")) { + return Position.ALARM_TEMPERATURE; + } else if (value.startsWith("oil")) { + return Position.ALARM_FUEL_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; + } + } + + private Position decodeRegular(Channel channel, SocketAddress remoteAddress, String sentence) { + + Parser 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 position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + String alarm = parser.next(); + position.set(Position.KEY_ALARM, decodeAlarm(alarm)); + if (alarm.equals("help me")) { + if (channel != null) { + channel.writeAndFlush(new NetworkMessage("**,imei:" + imei + ",E;", remoteAddress)); + } + } else if (alarm.startsWith("vt")) { + photoPackets = Integer.parseInt(alarm.substring(2)); + photo = Unpooled.buffer(); + } 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, Double.parseDouble(alarm.substring(2))); + } else if (alarm.startsWith("oil ")) { + position.set(Position.KEY_FUEL_LEVEL, Double.parseDouble(alarm.substring(4))); + } else if (!position.getAttributes().containsKey(Position.KEY_ALARM) && !alarm.equals("tracker")) { + position.set(Position.KEY_EVENT, alarm); + } + + 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_DRIVER_UNIQUE_ID, rfid); + } + + if (parser.hasNext(2)) { + + getLastLocation(position, null); + + position.setNetwork(new Network(CellTower.fromLacCid(parser.nextHexInt(0), parser.nextHexInt(0)))); + + } else { + + 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.setFixTime(position.getDeviceTime()); + 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)); + + if (parser.hasNext()) { + position.set(Position.KEY_IGNITION, parser.nextInt() == 1); + } + if (parser.hasNext()) { + position.set(Position.KEY_DOOR, parser.nextInt() == 1); + } + position.set("fuel1", parser.nextDouble()); + position.set("fuel2", parser.nextDouble()); + position.set(Position.PREFIX_TEMP + 1, parser.nextInt()); + + } + + return position; + } + + private Position decodeObd(Channel channel, SocketAddress remoteAddress, String sentence) { + + Parser parser = new Parser(PATTERN_OBD, 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()); + + 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)); + if (parser.hasNext()) { + position.set(Position.KEY_HOURS, UnitsConverter.msFromHours(parser.nextInt())); + } + position.set(Position.KEY_OBD_SPEED, parser.nextInt(0)); + position.set(Position.KEY_ENGINE_LOAD, parser.next()); + position.set(Position.KEY_COOLANT_TEMP, parser.nextInt()); + 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; + } + + + private Position decodeAlternative(Channel channel, SocketAddress remoteAddress, String sentence) { + + Parser parser = new Parser(PATTERN_ALT, 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()); + + position.set(Position.KEY_EVENT, parser.next()); + position.set("sensorId", parser.next()); + position.set("sensorVoltage", parser.nextDouble()); + + position.setTime(parser.nextDateTime(Parser.DateTimeFormat.HMS_DMY)); + + position.set(Position.KEY_RSSI, parser.nextInt()); + + position.setValid(parser.nextInt() > 0); + position.setLatitude(parser.nextDouble()); + position.setLongitude(parser.nextDouble()); + position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt())); + position.setCourse(parser.nextInt()); + position.setAltitude(parser.nextInt()); + + position.set(Position.KEY_HDOP, parser.nextDouble()); + position.set(Position.KEY_SATELLITES, parser.nextInt()); + position.set(Position.KEY_IGNITION, parser.nextInt() > 0); + position.set(Position.KEY_CHARGE, parser.nextInt() > 0); + position.set("error", parser.next()); + + return position; + } + + private Position decodePhoto(Channel channel, SocketAddress remoteAddress, String sentence) { + + String imei = sentence.substring(5, 5 + 15); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei); + if (deviceSession == null) { + return null; + } + + ByteBuf buf = Unpooled.wrappedBuffer(DataConverter.parseHex( + sentence.substring(24, sentence.endsWith(";") ? sentence.length() - 1 : sentence.length()))); + int index = buf.readUnsignedShortLE(); + photo.writeBytes(buf, buf.readerIndex() + 2, buf.readableBytes() - 4); + + if (index + 1 >= photoPackets) { + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + getLastLocation(position, null); + + try { + position.set(Position.KEY_IMAGE, Context.getMediaManager().writeFile(imei, photo, "jpg")); + } finally { + photoPackets = 0; + photo.release(); + photo = null; + } + + return position; + } else { + return null; + } + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + String sentence = (String) msg; + + if (sentence.contains("imei:") && sentence.length() <= 30) { + if (channel != null) { + channel.writeAndFlush(new NetworkMessage("LOAD", remoteAddress)); + Matcher matcher = Pattern.compile("imei:(\\d+),").matcher(sentence); + if (matcher.find()) { + getDeviceSession(channel, remoteAddress, matcher.group(1)); + } + } + return null; + } + + if (!sentence.isEmpty() && Character.isDigit(sentence.charAt(0))) { + if (channel != null) { + channel.writeAndFlush(new NetworkMessage("ON", remoteAddress)); + } + int start = sentence.indexOf("imei:"); + if (start >= 0) { + sentence = sentence.substring(start); + } else { + return null; + } + } + + if (sentence.substring(21, 21 + 2).equals("vr")) { + return decodePhoto(channel, remoteAddress, sentence); + } else if (sentence.substring(21, 21 + 3).contains("OBD")) { + return decodeObd(channel, remoteAddress, sentence); + } else if (sentence.endsWith("*")) { + return decodeAlternative(channel, remoteAddress, sentence); + } else { + return decodeRegular(channel, remoteAddress, sentence); + } + } + +} |