diff options
Diffstat (limited to 'src/org/traccar/protocol/MeiligaoProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/MeiligaoProtocolDecoder.java | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/src/org/traccar/protocol/MeiligaoProtocolDecoder.java b/src/org/traccar/protocol/MeiligaoProtocolDecoder.java deleted file mode 100644 index b0793037f..000000000 --- a/src/org/traccar/protocol/MeiligaoProtocolDecoder.java +++ /dev/null @@ -1,448 +0,0 @@ -/* - * Copyright 2012 - 2017 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.buffer.ChannelBuffer; -import org.jboss.netty.buffer.ChannelBuffers; -import org.jboss.netty.channel.Channel; -import org.traccar.BaseProtocolDecoder; -import org.traccar.Context; -import org.traccar.DeviceSession; -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.InetSocketAddress; -import java.net.SocketAddress; -import java.nio.charset.StandardCharsets; -import java.util.LinkedList; -import java.util.List; -import java.util.regex.Pattern; - -public class MeiligaoProtocolDecoder extends BaseProtocolDecoder { - - public MeiligaoProtocolDecoder(MeiligaoProtocol 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 - .groupEnd("?") - .or() - .number("|(x{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; - - private DeviceSession identify(ChannelBuffer 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, ChannelBuffer id, int type, ChannelBuffer msg) { - - if (channel != null) { - ChannelBuffer buf = ChannelBuffers.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); - buf.writeShort(Checksum.crc16(Checksum.CRC16_CCITT_FALSE, buf.toByteBuffer())); - buf.writeByte('\r'); - buf.writeByte('\n'); - - channel.write(buf, remoteAddress); - } - } - - private String getServer(Channel channel) { - String server = Context.getConfig().getString(getProtocolName() + ".server"); - if (server == null) { - InetSocketAddress address = (InetSocketAddress) channel.getLocalAddress(); - server = address.getAddress().getHostAddress() + ":" + address.getPort(); - } - return server; - } - - 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)); - } - - position.set(Position.KEY_STATUS, parser.next()); - - 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(Position.KEY_ODOMETER, parser.nextHexLong()); - 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("totalFuelConsumption", 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(ChannelBuffer 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.readBytes(endIndex - buf.readerIndex()).toString(StandardCharsets.US_ASCII); - - Position position = new Position(); - position.setProtocol(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 { - - ChannelBuffer buf = (ChannelBuffer) msg; - buf.skipBytes(2); // header - buf.readShort(); // length - ChannelBuffer id = buf.readBytes(7); - int command = buf.readUnsignedShort(); - ChannelBuffer response; - - if (channel != null) { - if (command == MSG_LOGIN) { - response = ChannelBuffers.wrappedBuffer(new byte[]{0x01}); - sendResponse(channel, remoteAddress, id, MSG_LOGIN_RESPONSE, response); - return null; - } else if (command == MSG_HEARTBEAT) { - response = ChannelBuffers.wrappedBuffer(new byte[]{0x01}); - sendResponse(channel, remoteAddress, id, MSG_HEARTBEAT, response); - return null; - } else if (command == MSG_SERVER) { - response = ChannelBuffers.copiedBuffer(getServer(channel), StandardCharsets.US_ASCII); - sendResponse(channel, remoteAddress, id, MSG_SERVER, response); - return null; - } - } - - DeviceSession deviceSession = identify(id, channel, remoteAddress); - if (deviceSession == null) { - return null; - } - - if (command == MSG_RETRANSMISSION) { - - return decodeRetransmission(buf, deviceSession); - - } else { - - Position position = new Position(); - position.setProtocol(getProtocolName()); - - 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); - } - - position.setDeviceId(deviceSession.getDeviceId()); - - 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); - } - } - } - - String sentence = buf.toString(buf.readerIndex(), buf.readableBytes() - 4, StandardCharsets.US_ASCII); - - if (command == MSG_POSITION || command == MSG_POSITION_LOGGED || command == MSG_ALARM) { - return decodeRegular(position, sentence); - } else if (command == MSG_RFID) { - return decodeRfid(position, sentence); - } else if (command == MSG_OBD_RT) { - return decodeObd(position, sentence); - } else if (command == MSG_OBD_RTA) { - return decodeObdA(position, sentence); - } - - } - - return null; - } - -} |