diff options
Diffstat (limited to 'src/org/traccar/protocol/MeitrackProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/MeitrackProtocolDecoder.java | 534 |
1 files changed, 0 insertions, 534 deletions
diff --git a/src/org/traccar/protocol/MeitrackProtocolDecoder.java b/src/org/traccar/protocol/MeitrackProtocolDecoder.java deleted file mode 100644 index 55260ef0c..000000000 --- a/src/org/traccar/protocol/MeitrackProtocolDecoder.java +++ /dev/null @@ -1,534 +0,0 @@ -/* - * 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.Checksum; -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.nio.charset.StandardCharsets; -import java.util.Date; -import java.util.LinkedList; -import java.util.List; -import java.util.regex.Pattern; - -public class MeitrackProtocolDecoder extends BaseProtocolDecoder { - - private ByteBuf photo; - - public MeitrackProtocolDecoder(Protocol protocol) { - super(protocol); - } - - private static final Pattern PATTERN = new PatternBuilder() - .text("$$").expression(".") // flag - .number("d+,") // length - .number("(d+),") // imei - .number("xxx,") // command - .number("d+,").optional() - .number("(d+),") // event - .number("(-?d+.d+),") // latitude - .number("(-?d+.d+),") // longitude - .number("(dd)(dd)(dd)") // date (yymmdd) - .number("(dd)(dd)(dd),") // time (hhmmss) - .number("([AV]),") // validity - .number("(d+),") // satellites - .number("(d+),") // rssi - .number("(d+.?d*),") // speed - .number("(d+),") // course - .number("(d+.?d*),") // hdop - .number("(-?d+),") // altitude - .number("(d+),") // odometer - .number("(d+),") // runtime - .number("(d+)|") // mcc - .number("(d+)|") // mnc - .number("(x+)|") // lac - .number("(x+),") // cid - .number("(x+),") // state - .number("(x+)?|") // adc1 - .number("(x+)?|") // adc2 - .number("(x+)?|") // adc3 - .number("(x+)|") // battery - .number("(x+)?,") // power - .groupBegin() - .expression("([^,]+)?,").optional() // event specific - .expression("[^,]*,") // reserved - .number("(d+)?,") // protocol - .number("(x{4})?") // fuel - .groupBegin() - .number(",(x{6}(?:|x{6})*)?") // temperature - .groupBegin() - .number(",(d+)") // data count - .expression(",([^*]*)") // data - .groupEnd("?") - .groupEnd("?") - .or() - .any() - .groupEnd() - .text("*") - .number("xx") - .text("\r\n").optional() - .compile(); - - private String decodeAlarm(int event) { - switch (event) { - case 1: - return Position.ALARM_SOS; - case 17: - return Position.ALARM_LOW_BATTERY; - case 18: - return Position.ALARM_LOW_POWER; - case 19: - return Position.ALARM_OVERSPEED; - case 20: - return Position.ALARM_GEOFENCE_ENTER; - case 21: - return Position.ALARM_GEOFENCE_EXIT; - case 22: - return Position.ALARM_POWER_RESTORED; - case 23: - return Position.ALARM_POWER_CUT; - case 36: - return Position.ALARM_TOW; - case 44: - return Position.ALARM_JAMMING; - case 78: - return Position.ALARM_ACCIDENT; - case 90: - case 91: - return Position.ALARM_CORNERING; - case 129: - return Position.ALARM_BRAKING; - case 130: - return Position.ALARM_ACCELERATION; - case 135: - return Position.ALARM_FATIGUE_DRIVING; - default: - return null; - } - } - - private Position decodeRegular(Channel channel, SocketAddress remoteAddress, ByteBuf buf) { - - Parser parser = new Parser(PATTERN, buf.toString(StandardCharsets.US_ASCII)); - if (!parser.matches()) { - return null; - } - - Position position = new Position(getProtocolName()); - - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); - if (deviceSession == null) { - return null; - } - position.setDeviceId(deviceSession.getDeviceId()); - - int event = parser.nextInt(0); - position.set(Position.KEY_EVENT, event); - position.set(Position.KEY_ALARM, decodeAlarm(event)); - - position.setLatitude(parser.nextDouble(0)); - position.setLongitude(parser.nextDouble(0)); - - position.setTime(parser.nextDateTime()); - - position.setValid(parser.next().equals("A")); - - position.set(Position.KEY_SATELLITES, parser.nextInt()); - int rssi = parser.nextInt(0); - - position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble(0))); - position.setCourse(parser.nextDouble(0)); - - position.set(Position.KEY_HDOP, parser.nextDouble()); - - position.setAltitude(parser.nextDouble(0)); - - position.set(Position.KEY_ODOMETER, parser.nextInt(0)); - position.set("runtime", parser.next()); - - position.setNetwork(new Network(CellTower.from( - parser.nextInt(0), parser.nextInt(0), parser.nextHexInt(0), parser.nextHexInt(0), rssi))); - - position.set(Position.KEY_STATUS, parser.next()); - - for (int i = 1; i <= 3; i++) { - if (parser.hasNext()) { - position.set(Position.PREFIX_ADC + i, parser.nextHexInt(0)); - } - } - - String deviceModel = Context.getIdentityManager().getById(deviceSession.getDeviceId()).getModel(); - if (deviceModel == null) { - deviceModel = ""; - } - switch (deviceModel.toUpperCase()) { - case "MVT340": - case "MVT380": - position.set(Position.KEY_BATTERY, parser.nextHexInt(0) * 3.0 * 2.0 / 1024.0); - position.set(Position.KEY_POWER, parser.nextHexInt(0) * 3.0 * 16.0 / 1024.0); - break; - case "MT90": - position.set(Position.KEY_BATTERY, parser.nextHexInt(0) * 3.3 * 2.0 / 4096.0); - position.set(Position.KEY_POWER, parser.nextHexInt(0)); - break; - case "T1": - case "T3": - case "MVT100": - case "MVT600": - case "MVT800": - case "TC68": - case "TC68S": - position.set(Position.KEY_BATTERY, parser.nextHexInt(0) * 3.3 * 2.0 / 4096.0); - position.set(Position.KEY_POWER, parser.nextHexInt(0) * 3.3 * 16.0 / 4096.0); - break; - case "T311": - case "T322X": - case "T333": - case "T355": - position.set(Position.KEY_BATTERY, parser.nextHexInt(0) / 100.0); - position.set(Position.KEY_POWER, parser.nextHexInt(0) / 100.0); - break; - default: - position.set(Position.KEY_BATTERY, parser.nextHexInt(0)); - position.set(Position.KEY_POWER, parser.nextHexInt(0)); - break; - } - - String eventData = parser.next(); - if (eventData != null && !eventData.isEmpty()) { - switch (event) { - case 37: - position.set(Position.KEY_DRIVER_UNIQUE_ID, eventData); - break; - default: - position.set("eventData", eventData); - break; - } - } - - int protocol = parser.nextInt(0); - - if (parser.hasNext()) { - String fuel = parser.next(); - position.set(Position.KEY_FUEL_LEVEL, - Integer.parseInt(fuel.substring(0, 2), 16) + Integer.parseInt(fuel.substring(2), 16) * 0.01); - } - - if (parser.hasNext()) { - for (String temp : parser.next().split("\\|")) { - int index = Integer.parseInt(temp.substring(0, 2), 16); - if (protocol >= 3) { - double value = (short) Integer.parseInt(temp.substring(2), 16); - position.set(Position.PREFIX_TEMP + index, value * 0.01); - } else { - double value = Byte.parseByte(temp.substring(2, 4), 16); - value += (value < 0 ? -0.01 : 0.01) * Integer.parseInt(temp.substring(4), 16); - position.set(Position.PREFIX_TEMP + index, value); - } - } - } - - if (parser.hasNext(2)) { - parser.nextInt(); // count - decodeDataFields(position, parser.next().split(",")); - } - - return position; - } - - private void decodeDataFields(Position position, String[] values) { - - if (values.length > 1 && !values[1].isEmpty()) { - position.set("tempData", values[1]); - } - - if (values.length > 5 && !values[5].isEmpty()) { - String[] data = values[5].split("\\|"); - boolean started = data[0].charAt(1) == '0'; - position.set("taximeterOn", started); - position.set("taximeterStart", data[1]); - if (data.length > 2) { - position.set("taximeterEnd", data[2]); - position.set("taximeterDistance", Integer.parseInt(data[3])); - position.set("taximeterFare", Integer.parseInt(data[4])); - position.set("taximeterTrip", data[5]); - position.set("taximeterWait", data[6]); - } - } - - } - - private List<Position> decodeBinaryC(Channel channel, SocketAddress remoteAddress, ByteBuf buf) { - List<Position> positions = new LinkedList<>(); - - String flag = buf.toString(2, 1, StandardCharsets.US_ASCII); - int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ','); - - String imei = buf.toString(index + 1, 15, StandardCharsets.US_ASCII); - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei); - if (deviceSession == null) { - return null; - } - - buf.skipBytes(index + 1 + 15 + 1 + 3 + 1 + 2 + 2 + 4); - - while (buf.readableBytes() >= 0x34) { - - Position position = new Position(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - position.set(Position.KEY_EVENT, buf.readUnsignedByte()); - - position.setLatitude(buf.readIntLE() * 0.000001); - position.setLongitude(buf.readIntLE() * 0.000001); - - position.setTime(new Date((946684800 + buf.readUnsignedIntLE()) * 1000)); // 946684800 = 2000-01-01 - - position.setValid(buf.readUnsignedByte() == 1); - - position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); - int rssi = buf.readUnsignedByte(); - - position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShortLE())); - position.setCourse(buf.readUnsignedShortLE()); - - position.set(Position.KEY_HDOP, buf.readUnsignedShortLE() * 0.1); - - position.setAltitude(buf.readUnsignedShortLE()); - - position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE()); - position.set("runtime", buf.readUnsignedIntLE()); - - position.setNetwork(new Network(CellTower.from( - buf.readUnsignedShortLE(), buf.readUnsignedShortLE(), - buf.readUnsignedShortLE(), buf.readUnsignedShortLE(), - rssi))); - - position.set(Position.KEY_STATUS, buf.readUnsignedShortLE()); - - position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShortLE()); - position.set(Position.KEY_BATTERY, buf.readUnsignedShortLE() * 0.01); - position.set(Position.KEY_POWER, buf.readUnsignedShortLE()); - - buf.readUnsignedIntLE(); // geo-fence - - positions.add(position); - } - - if (channel != null) { - StringBuilder command = new StringBuilder("@@"); - command.append(flag).append(27 + positions.size() / 10).append(","); - command.append(imei).append(",CCC,").append(positions.size()).append("*"); - int checksum = 0; - for (int i = 0; i < command.length(); i += 1) { - checksum += command.charAt(i); - } - command.append(String.format("%02x", checksum & 0xff).toUpperCase()); - command.append("\r\n"); - channel.writeAndFlush(new NetworkMessage(command.toString(), remoteAddress)); // delete processed data - } - - return positions; - } - - private List<Position> decodeBinaryE(Channel channel, SocketAddress remoteAddress, ByteBuf buf) { - List<Position> positions = new LinkedList<>(); - - buf.readerIndex(buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ',') + 1); - String imei = buf.readSlice(15).toString(StandardCharsets.US_ASCII); - buf.skipBytes(1 + 3 + 1); - - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei); - if (deviceSession == null) { - return null; - } - - buf.readUnsignedIntLE(); // remaining cache - int count = buf.readUnsignedShortLE(); - - for (int i = 0; i < count; i++) { - Position position = new Position(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - buf.readUnsignedShortLE(); // length - buf.readUnsignedShortLE(); // index - - int paramCount = buf.readUnsignedByte(); - for (int j = 0; j < paramCount; j++) { - int id = buf.readUnsignedByte(); - switch (id) { - case 0x01: - position.set(Position.KEY_EVENT, buf.readUnsignedByte()); - break; - case 0x05: - position.setValid(buf.readUnsignedByte() > 0); - break; - case 0x06: - position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); - break; - case 0x07: - position.set(Position.KEY_RSSI, buf.readUnsignedByte()); - break; - default: - buf.readUnsignedByte(); - break; - } - } - - paramCount = buf.readUnsignedByte(); - for (int j = 0; j < paramCount; j++) { - int id = buf.readUnsignedByte(); - switch (id) { - case 0x08: - position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShortLE())); - break; - case 0x09: - position.setCourse(buf.readUnsignedShortLE()); - break; - case 0x0B: - position.setAltitude(buf.readShortLE()); - break; - case 0x19: - position.set(Position.KEY_BATTERY, buf.readUnsignedShortLE() * 0.01); - break; - case 0x1A: - position.set(Position.KEY_POWER, buf.readUnsignedShortLE() * 0.01); - break; - default: - buf.readUnsignedShortLE(); - break; - } - } - - paramCount = buf.readUnsignedByte(); - for (int j = 0; j < paramCount; j++) { - int id = buf.readUnsignedByte(); - switch (id) { - case 0x02: - position.setLatitude(buf.readIntLE() * 0.000001); - break; - case 0x03: - position.setLongitude(buf.readIntLE() * 0.000001); - break; - case 0x04: - position.setTime(new Date((946684800 + buf.readUnsignedIntLE()) * 1000)); // 2000-01-01 - break; - case 0x0D: - position.set("runtime", buf.readUnsignedIntLE()); - break; - default: - buf.readUnsignedIntLE(); - break; - } - } - - paramCount = buf.readUnsignedByte(); - for (int j = 0; j < paramCount; j++) { - buf.readUnsignedByte(); // id - buf.skipBytes(buf.readUnsignedByte()); // value - } - - positions.add(position); - } - - return positions; - } - - private void requestPhotoPacket(Channel channel, SocketAddress socketAddress, String imei, String file, int index) { - if (channel != null) { - String content = "D00," + file + "," + index; - int length = 1 + imei.length() + 1 + content.length() + 5; - String response = String.format("@@O%02d,%s,%s*", length, imei, content); - response += Checksum.sum(response) + "\r\n"; - channel.writeAndFlush(new NetworkMessage(response, socketAddress)); - } - } - - @Override - protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - - ByteBuf buf = (ByteBuf) msg; - - int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) ','); - String imei = buf.toString(index + 1, 15, StandardCharsets.US_ASCII); - index = buf.indexOf(index + 1, buf.writerIndex(), (byte) ','); - String type = buf.toString(index + 1, 3, StandardCharsets.US_ASCII); - - switch (type) { - case "D00": - if (photo == null) { - photo = Unpooled.buffer(); - } - - index = index + 1 + type.length() + 1; - int endIndex = buf.indexOf(index, buf.writerIndex(), (byte) ','); - String file = buf.toString(index, endIndex - index, StandardCharsets.US_ASCII); - index = endIndex + 1; - endIndex = buf.indexOf(index, buf.writerIndex(), (byte) ','); - int total = Integer.parseInt(buf.toString(index, endIndex - index, StandardCharsets.US_ASCII)); - index = endIndex + 1; - endIndex = buf.indexOf(index, buf.writerIndex(), (byte) ','); - int current = Integer.parseInt(buf.toString(index, endIndex - index, StandardCharsets.US_ASCII)); - - buf.readerIndex(endIndex + 1); - photo.writeBytes(buf.readSlice(buf.readableBytes() - 1 - 2 - 2)); - - if (current == total - 1) { - Position position = new Position(getProtocolName()); - position.setDeviceId(getDeviceSession(channel, remoteAddress, imei).getDeviceId()); - - getLastLocation(position, null); - - position.set(Position.KEY_IMAGE, Context.getMediaManager().writeFile(imei, photo, "jpg")); - photo.release(); - photo = null; - - return position; - } else { - if ((current + 1) % 8 == 0) { - requestPhotoPacket(channel, remoteAddress, imei, file, current + 1); - } - return null; - } - case "D03": - photo = Unpooled.buffer(); - requestPhotoPacket(channel, remoteAddress, imei, "camera_picture.jpg", 0); - return null; - case "CCC": - return decodeBinaryC(channel, remoteAddress, buf); - case "CCE": - return decodeBinaryE(channel, remoteAddress, buf); - default: - return decodeRegular(channel, remoteAddress, buf); - } - } - -} |