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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/protocol/MeiligaoProtocolDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/protocol/MeiligaoProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/MeiligaoProtocolDecoder.java499
1 files changed, 499 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/MeiligaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/MeiligaoProtocolDecoder.java
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@@ -0,0 +1,499 @@
+/*
+ * 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.BitUtil;
+import org.traccar.helper.Checksum;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Pattern;
+
+public class MeiligaoProtocolDecoder extends BaseProtocolDecoder {
+
+ private Map<Byte, ByteBuf> photos = new HashMap<>();
+
+ public MeiligaoProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .number("(dd)(dd)(dd).?d*,") // time (hhmmss)
+ .expression("([AV]),") // validity
+ .number("(d+)(dd.d+),") // latitude
+ .expression("([NS]),")
+ .number("(d+)(dd.d+),") // longitude
+ .expression("([EW]),")
+ .number("(d+.?d*)?,") // speed
+ .number("(d+.?d*)?,") // course
+ .number("(dd)(dd)(dd)") // date (ddmmyy)
+ .expression("[^\\|]*")
+ .groupBegin()
+ .number("|(d+.d+)?") // hdop
+ .number("|(-?d+.?d*)?") // altitude
+ .number("|(xxxx)?") // state
+ .groupBegin()
+ .number("|(xxxx),(xxxx)") // adc
+ .number(",(xxxx)").optional()
+ .number(",(xxxx)").optional()
+ .number(",(xxxx)").optional()
+ .number(",(xxxx)").optional()
+ .number(",(xxxx)").optional()
+ .number(",(xxxx)").optional()
+ .groupBegin()
+ .number("|x{16,20}") // cell
+ .number("|(xx)") // rssi
+ .number("|(x{8})") // odometer
+ .groupBegin()
+ .number("|(xx)") // satellites
+ .text("|")
+ .expression("(.*)") // driver
+ .groupEnd("?")
+ .or()
+ .number("|(d{1,9})") // odometer
+ .groupBegin()
+ .number("|(x{5,})") // rfid
+ .groupEnd("?")
+ .groupEnd("?")
+ .groupEnd("?")
+ .groupEnd("?")
+ .any()
+ .compile();
+
+ private static final Pattern PATTERN_RFID = new PatternBuilder()
+ .number("|(dd)(dd)(dd),") // time (hhmmss)
+ .number("(dd)(dd)(dd),") // date (ddmmyy)
+ .number("(d+)(dd.d+),") // latitude
+ .expression("([NS]),")
+ .number("(d+)(dd.d+),") // longitude
+ .expression("([EW])")
+ .compile();
+
+ private static final Pattern PATTERN_OBD = new PatternBuilder()
+ .number("(d+.d+),") // battery
+ .number("(d+),") // rpm
+ .number("(d+),") // speed
+ .number("(d+.d+),") // throttle
+ .number("(d+.d+),") // engine load
+ .number("(-?d+),") // coolant temp
+ .number("(d+.d+),") // instantaneous fuel
+ .number("(d+.d+),") // average fuel
+ .number("(d+.d+),") // driving range
+ .number("(d+.?d*),") // odometer
+ .number("(d+.d+),") // single fuel consumption
+ .number("(d+.d+),") // total fuel consumption
+ .number("(d+),") // error code count
+ .number("(d+),") // hard acceleration count
+ .number("(d+)") // hard brake count
+ .compile();
+
+ private static final Pattern PATTERN_OBDA = new PatternBuilder()
+ .number("(d+),") // total ignition
+ .number("(d+.d+),") // total driving time
+ .number("(d+.d+),") // total idling time
+ .number("(d+),") // average hot start time
+ .number("(d+),") // average speed
+ .number("(d+),") // history highest speed
+ .number("(d+),") // history highest rpm
+ .number("(d+),") // total hard acceleration
+ .number("(d+)") // total hard brake
+ .compile();
+
+ public static final int MSG_HEARTBEAT = 0x0001;
+ public static final int MSG_SERVER = 0x0002;
+ public static final int MSG_LOGIN = 0x5000;
+ public static final int MSG_LOGIN_RESPONSE = 0x4000;
+ public static final int MSG_POSITION = 0x9955;
+ public static final int MSG_POSITION_LOGGED = 0x9016;
+ public static final int MSG_ALARM = 0x9999;
+ public static final int MSG_RFID = 0x9966;
+ public static final int MSG_RETRANSMISSION = 0x6688;
+
+ public static final int MSG_OBD_RT = 0x9901;
+ public static final int MSG_OBD_RTA = 0x9902;
+
+ public static final int MSG_TRACK_ON_DEMAND = 0x4101;
+ public static final int MSG_TRACK_BY_INTERVAL = 0x4102;
+ public static final int MSG_MOVEMENT_ALARM = 0x4106;
+ public static final int MSG_OUTPUT_CONTROL = 0x4115;
+ public static final int MSG_TIME_ZONE = 0x4132;
+ public static final int MSG_TAKE_PHOTO = 0x4151;
+ public static final int MSG_UPLOAD_PHOTO = 0x0800;
+ public static final int MSG_UPLOAD_PHOTO_RESPONSE = 0x8801;
+ public static final int MSG_DATA_PHOTO = 0x9988;
+ public static final int MSG_POSITION_IMAGE = 0x9977;
+ public static final int MSG_UPLOAD_COMPLETE = 0x0f80;
+ public static final int MSG_REBOOT_GPS = 0x4902;
+
+ private DeviceSession identify(ByteBuf buf, Channel channel, SocketAddress remoteAddress) {
+ StringBuilder builder = new StringBuilder();
+
+ for (int i = 0; i < 7; i++) {
+ int b = buf.readUnsignedByte();
+
+ // First digit
+ int d1 = (b & 0xf0) >> 4;
+ if (d1 == 0xf) {
+ break;
+ }
+ builder.append(d1);
+
+ // Second digit
+ int d2 = b & 0x0f;
+ if (d2 == 0xf) {
+ break;
+ }
+ builder.append(d2);
+ }
+
+ String id = builder.toString();
+
+ if (id.length() == 14) {
+ return getDeviceSession(channel, remoteAddress, id, id + Checksum.luhn(Long.parseLong(id)));
+ } else {
+ return getDeviceSession(channel, remoteAddress, id);
+ }
+ }
+
+ private static void sendResponse(
+ Channel channel, SocketAddress remoteAddress, ByteBuf id, int type, ByteBuf msg) {
+
+ if (channel != null) {
+ ByteBuf buf = Unpooled.buffer(
+ 2 + 2 + id.readableBytes() + 2 + msg.readableBytes() + 2 + 2);
+
+ buf.writeByte('@');
+ buf.writeByte('@');
+ buf.writeShort(buf.capacity());
+ buf.writeBytes(id);
+ buf.writeShort(type);
+ buf.writeBytes(msg);
+ msg.release();
+ buf.writeShort(Checksum.crc16(Checksum.CRC16_CCITT_FALSE, buf.nioBuffer()));
+ buf.writeByte('\r');
+ buf.writeByte('\n');
+
+ channel.writeAndFlush(new NetworkMessage(buf, remoteAddress));
+ }
+ }
+
+ 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 0x12:
+ return Position.ALARM_MOVEMENT;
+ case 0x13:
+ return Position.ALARM_GEOFENCE_ENTER;
+ case 0x14:
+ return Position.ALARM_ACCIDENT;
+ case 0x50:
+ return Position.ALARM_POWER_OFF;
+ case 0x53:
+ return Position.ALARM_GPS_ANTENNA_CUT;
+ case 0x72:
+ return Position.ALARM_BRAKING;
+ case 0x73:
+ return Position.ALARM_ACCELERATION;
+ default:
+ return null;
+ }
+ }
+
+ private Position decodeRegular(Position position, String sentence) {
+ Parser parser = new Parser(PATTERN, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+
+ position.setValid(parser.next().equals("A"));
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+
+ if (parser.hasNext()) {
+ position.setSpeed(parser.nextDouble(0));
+ }
+
+ if (parser.hasNext()) {
+ position.setCourse(parser.nextDouble(0));
+ }
+
+ dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+ position.setTime(dateBuilder.getDate());
+
+ position.set(Position.KEY_HDOP, parser.nextDouble());
+
+ if (parser.hasNext()) {
+ position.setAltitude(parser.nextDouble(0));
+ }
+
+ if (parser.hasNext()) {
+ int status = parser.nextHexInt();
+ for (int i = 1; i <= 5; i++) {
+ position.set(Position.PREFIX_OUT + i, BitUtil.check(status, i - 1));
+ }
+ for (int i = 1; i <= 5; i++) {
+ position.set(Position.PREFIX_IN + i, BitUtil.check(status, i - 1 + 8));
+ }
+ }
+
+ for (int i = 1; i <= 8; i++) {
+ position.set(Position.PREFIX_ADC + i, parser.nextHexInt());
+ }
+
+ position.set(Position.KEY_RSSI, parser.nextHexInt());
+ position.set(Position.KEY_ODOMETER, parser.nextHexLong());
+ position.set(Position.KEY_SATELLITES, parser.nextHexInt());
+ position.set("driverLicense", parser.next());
+ position.set(Position.KEY_ODOMETER, parser.nextLong());
+ position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next());
+
+ return position;
+ }
+
+ private Position decodeRfid(Position position, String sentence) {
+ Parser parser = new Parser(PATTERN_RFID, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ position.setTime(parser.nextDateTime(Parser.DateTimeFormat.HMS_DMY));
+
+ position.setValid(true);
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+
+ return position;
+ }
+
+ private Position decodeObd(Position position, String sentence) {
+ Parser parser = new Parser(PATTERN_OBD, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ getLastLocation(position, null);
+
+ position.set(Position.KEY_BATTERY, parser.nextDouble());
+ position.set(Position.KEY_RPM, parser.nextInt());
+ position.set(Position.KEY_OBD_SPEED, parser.nextInt());
+ position.set(Position.KEY_THROTTLE, parser.nextDouble());
+ position.set(Position.KEY_ENGINE_LOAD, parser.nextDouble());
+ position.set(Position.KEY_COOLANT_TEMP, parser.nextInt());
+ position.set(Position.KEY_FUEL_CONSUMPTION, parser.nextDouble());
+ position.set("averageFuelConsumption", parser.nextDouble());
+ position.set("drivingRange", parser.nextDouble());
+ position.set(Position.KEY_ODOMETER, parser.nextDouble());
+ position.set("singleFuelConsumption", parser.nextDouble());
+ position.set(Position.KEY_FUEL_USED, parser.nextDouble());
+ position.set(Position.KEY_DTCS, parser.nextInt());
+ position.set("hardAccelerationCount", parser.nextInt());
+ position.set("hardBrakingCount", parser.nextInt());
+
+ return position;
+ }
+
+ private Position decodeObdA(Position position, String sentence) {
+ Parser parser = new Parser(PATTERN_OBDA, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ getLastLocation(position, null);
+
+ position.set("totalIgnitionNo", parser.nextInt(0));
+ position.set("totalDrivingTime", parser.nextDouble(0));
+ position.set("totalIdlingTime", parser.nextDouble(0));
+ position.set("averageHotStartTime", parser.nextInt(0));
+ position.set("averageSpeed", parser.nextInt(0));
+ position.set("historyHighestSpeed", parser.nextInt(0));
+ position.set("historyHighestRpm", parser.nextInt(0));
+ position.set("totalHarshAccerleration", parser.nextInt(0));
+ position.set("totalHarshBrake", parser.nextInt(0));
+
+ return position;
+ }
+
+ private List<Position> decodeRetransmission(ByteBuf buf, DeviceSession deviceSession) {
+ List<Position> positions = new LinkedList<>();
+
+ int count = buf.readUnsignedByte();
+ for (int i = 0; i < count; i++) {
+
+ buf.readUnsignedByte(); // alarm
+
+ int endIndex = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '\\');
+ if (endIndex < 0) {
+ endIndex = buf.writerIndex() - 4;
+ }
+
+ String sentence = buf.readSlice(endIndex - buf.readerIndex()).toString(StandardCharsets.US_ASCII);
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position = decodeRegular(position, sentence);
+
+ if (position != null) {
+ positions.add(position);
+ }
+
+ if (buf.readableBytes() > 4) {
+ buf.readUnsignedByte(); // delimiter
+ }
+
+ }
+
+ return positions;
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+ buf.skipBytes(2); // header
+ buf.readShort(); // length
+ ByteBuf id = buf.readSlice(7);
+ int command = buf.readUnsignedShort();
+
+ if (command == MSG_LOGIN) {
+ ByteBuf response = Unpooled.wrappedBuffer(new byte[]{0x01});
+ sendResponse(channel, remoteAddress, id, MSG_LOGIN_RESPONSE, response);
+ return null;
+ } else if (command == MSG_HEARTBEAT) {
+ ByteBuf response = Unpooled.wrappedBuffer(new byte[]{0x01});
+ sendResponse(channel, remoteAddress, id, MSG_HEARTBEAT, response);
+ return null;
+ } else if (command == MSG_SERVER) {
+ ByteBuf response = Unpooled.copiedBuffer(getServer(channel, ':'), StandardCharsets.US_ASCII);
+ sendResponse(channel, remoteAddress, id, MSG_SERVER, response);
+ return null;
+ } else if (command == MSG_UPLOAD_PHOTO) {
+ byte imageIndex = buf.readByte();
+ photos.put(imageIndex, Unpooled.buffer());
+ ByteBuf response = Unpooled.copiedBuffer(new byte[]{imageIndex});
+ sendResponse(channel, remoteAddress, id, MSG_UPLOAD_PHOTO_RESPONSE, response);
+ return null;
+ } else if (command == MSG_UPLOAD_COMPLETE) {
+ byte imageIndex = buf.readByte();
+ ByteBuf response = Unpooled.copiedBuffer(new byte[]{imageIndex, 0, 0});
+ sendResponse(channel, remoteAddress, id, MSG_RETRANSMISSION, response);
+ return null;
+ }
+
+ DeviceSession deviceSession = identify(id, channel, remoteAddress);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ if (command == MSG_DATA_PHOTO) {
+
+ byte imageIndex = buf.readByte();
+ buf.readUnsignedShort(); // image footage
+ buf.readUnsignedByte(); // total packets
+ buf.readUnsignedByte(); // packet index
+
+ photos.get(imageIndex).writeBytes(buf, buf.readableBytes() - 2 - 2);
+
+ return null;
+
+ } else if (command == MSG_RETRANSMISSION) {
+
+ return decodeRetransmission(buf, deviceSession);
+
+ } else {
+
+ Position position = new Position(getProtocolName());
+
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ if (command == MSG_ALARM) {
+ short alarmCode = buf.readUnsignedByte();
+ position.set(Position.KEY_ALARM, decodeAlarm(alarmCode));
+ if (alarmCode >= 0x02 && alarmCode <= 0x05) {
+ position.set(Position.PREFIX_IN + alarmCode, 1);
+ } else if (alarmCode >= 0x32 && alarmCode <= 0x35) {
+ position.set(Position.PREFIX_IN + (alarmCode - 0x30), 0);
+ }
+ } else if (command == MSG_POSITION_LOGGED) {
+ buf.skipBytes(6);
+ } else if (command == MSG_RFID) {
+ for (int i = 0; i < 15; i++) {
+ long rfid = buf.readUnsignedInt();
+ if (rfid != 0) {
+ String card = String.format("%010d", rfid);
+ position.set("card" + (i + 1), card);
+ position.set(Position.KEY_DRIVER_UNIQUE_ID, card);
+ }
+ }
+ } else if (command == MSG_POSITION_IMAGE) {
+ byte imageIndex = buf.readByte();
+ buf.readUnsignedByte(); // image upload type
+ String uniqueId = Context.getIdentityManager().getById(deviceSession.getDeviceId()).getUniqueId();
+ ByteBuf photo = photos.remove(imageIndex);
+ try {
+ position.set(Position.KEY_IMAGE, Context.getMediaManager().writeFile(uniqueId, photo, "jpg"));
+ } finally {
+ photo.release();
+ }
+ }
+
+ String sentence = buf.toString(buf.readerIndex(), buf.readableBytes() - 4, StandardCharsets.US_ASCII);
+
+ switch (command) {
+ case MSG_POSITION:
+ case MSG_POSITION_LOGGED:
+ case MSG_ALARM:
+ case MSG_POSITION_IMAGE:
+ return decodeRegular(position, sentence);
+ case MSG_RFID:
+ return decodeRfid(position, sentence);
+ case MSG_OBD_RT:
+ return decodeObd(position, sentence);
+ case MSG_OBD_RTA:
+ return decodeObdA(position, sentence);
+ default:
+ return null;
+ }
+
+ }
+ }
+
+}