diff options
Diffstat (limited to 'src/org/traccar/protocol/AtrackProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/AtrackProtocolDecoder.java | 586 |
1 files changed, 0 insertions, 586 deletions
diff --git a/src/org/traccar/protocol/AtrackProtocolDecoder.java b/src/org/traccar/protocol/AtrackProtocolDecoder.java deleted file mode 100644 index 71bb6791c..000000000 --- a/src/org/traccar/protocol/AtrackProtocolDecoder.java +++ /dev/null @@ -1,586 +0,0 @@ -/* - * 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.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.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.nio.charset.StandardCharsets; -import java.text.DateFormat; -import java.text.ParseException; -import java.text.SimpleDateFormat; -import java.util.Date; -import java.util.HashMap; -import java.util.LinkedList; -import java.util.List; -import java.util.Map; -import java.util.TimeZone; -import java.util.regex.Matcher; -import java.util.regex.Pattern; - -public class AtrackProtocolDecoder extends BaseProtocolDecoder { - - private static final int MIN_DATA_LENGTH = 40; - - private boolean longDate; - private boolean decimalFuel; - private boolean custom; - private String form; - - private final Map<Integer, String> alarmMap = new HashMap<>(); - - public AtrackProtocolDecoder(Protocol protocol) { - super(protocol); - - longDate = Context.getConfig().getBoolean(getProtocolName() + ".longDate"); - decimalFuel = Context.getConfig().getBoolean(getProtocolName() + ".decimalFuel"); - - custom = Context.getConfig().getBoolean(getProtocolName() + ".custom"); - form = Context.getConfig().getString(getProtocolName() + ".form"); - if (form != null) { - custom = true; - } - - for (String pair : Context.getConfig().getString(getProtocolName() + ".alarmMap", "").split(",")) { - if (!pair.isEmpty()) { - alarmMap.put( - Integer.parseInt(pair.substring(0, pair.indexOf('='))), pair.substring(pair.indexOf('=') + 1)); - } - } - } - - public void setLongDate(boolean longDate) { - this.longDate = longDate; - } - - public void setCustom(boolean custom) { - this.custom = custom; - } - - private static void sendResponse(Channel channel, SocketAddress remoteAddress, long rawId, int index) { - if (channel != null) { - ByteBuf response = Unpooled.buffer(12); - response.writeShort(0xfe02); - response.writeLong(rawId); - response.writeShort(index); - channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); - } - } - - private static String readString(ByteBuf buf) { - String result = null; - int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0); - if (index > buf.readerIndex()) { - result = buf.readSlice(index - buf.readerIndex()).toString(StandardCharsets.US_ASCII); - } - buf.readByte(); - return result; - } - - private void readTextCustomData(Position position, String data, String form) { - CellTower cellTower = new CellTower(); - String[] keys = form.substring(1).split("%"); - String[] values = data.split(",|\r\n"); - for (int i = 0; i < Math.min(keys.length, values.length); i++) { - switch (keys[i]) { - case "SA": - position.set(Position.KEY_SATELLITES, Integer.parseInt(values[i])); - break; - case "MV": - position.set(Position.KEY_POWER, Integer.parseInt(values[i]) * 0.1); - break; - case "BV": - position.set(Position.KEY_BATTERY, Integer.parseInt(values[i]) * 0.1); - break; - case "GQ": - cellTower.setSignalStrength(Integer.parseInt(values[i])); - break; - case "CE": - cellTower.setCellId(Long.parseLong(values[i])); - break; - case "LC": - cellTower.setLocationAreaCode(Integer.parseInt(values[i])); - break; - case "CN": - if (values[i].length() > 3) { - cellTower.setMobileCountryCode(Integer.parseInt(values[i].substring(0, 3))); - cellTower.setMobileNetworkCode(Integer.parseInt(values[i].substring(3))); - } - break; - case "PC": - position.set(Position.PREFIX_COUNT + 1, Integer.parseInt(values[i])); - break; - case "AT": - position.setAltitude(Integer.parseInt(values[i])); - break; - case "RP": - position.set(Position.KEY_RPM, Integer.parseInt(values[i])); - break; - case "GS": - position.set(Position.KEY_RSSI, Integer.parseInt(values[i])); - break; - case "DT": - position.set(Position.KEY_ARCHIVE, Integer.parseInt(values[i]) == 1); - break; - case "VN": - position.set(Position.KEY_VIN, values[i]); - break; - case "TR": - position.set(Position.KEY_THROTTLE, Integer.parseInt(values[i])); - break; - case "ET": - position.set(Position.PREFIX_TEMP + 1, Integer.parseInt(values[i])); - break; - case "FL": - position.set(Position.KEY_FUEL_LEVEL, Integer.parseInt(values[i])); - break; - case "FC": - position.set(Position.KEY_FUEL_CONSUMPTION, Integer.parseInt(values[i])); - break; - case "AV1": - position.set(Position.PREFIX_ADC + 1, Integer.parseInt(values[i])); - break; - default: - break; - } - } - - if (cellTower.getMobileCountryCode() != null - && cellTower.getMobileNetworkCode() != null - && cellTower.getCellId() != null - && cellTower.getLocationAreaCode() != null) { - position.setNetwork(new Network(cellTower)); - } else if (cellTower.getSignalStrength() != null) { - position.set(Position.KEY_RSSI, cellTower.getSignalStrength()); - } - } - - private void readBinaryCustomData(Position position, ByteBuf buf, String form) { - CellTower cellTower = new CellTower(); - String[] keys = form.substring(1).split("%"); - for (String key : keys) { - switch (key) { - case "SA": - position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); - break; - case "MV": - position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.1); - break; - case "BV": - position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.1); - break; - case "GQ": - cellTower.setSignalStrength((int) buf.readUnsignedByte()); - break; - case "CE": - cellTower.setCellId(buf.readUnsignedInt()); - break; - case "LC": - cellTower.setLocationAreaCode(buf.readUnsignedShort()); - break; - case "CN": - int combinedMobileCodes = (int) (buf.readUnsignedInt() % 100000); // cccnn - cellTower.setMobileCountryCode(combinedMobileCodes / 100); - cellTower.setMobileNetworkCode(combinedMobileCodes % 100); - break; - case "RL": - buf.readUnsignedByte(); // rxlev - break; - case "PC": - position.set(Position.PREFIX_COUNT + 1, buf.readUnsignedInt()); - break; - case "AT": - position.setAltitude(buf.readUnsignedInt()); - break; - case "RP": - position.set(Position.KEY_RPM, buf.readUnsignedShort()); - break; - case "GS": - position.set(Position.KEY_RSSI, buf.readUnsignedByte()); - break; - case "DT": - position.set(Position.KEY_ARCHIVE, buf.readUnsignedByte() == 1); - break; - case "VN": - position.set(Position.KEY_VIN, readString(buf)); - break; - case "MF": - buf.readUnsignedShort(); // mass air flow rate - break; - case "EL": - buf.readUnsignedByte(); // engine load - break; - case "TR": - position.set(Position.KEY_THROTTLE, buf.readUnsignedByte()); - break; - case "ET": - position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedShort()); - break; - case "FL": - position.set(Position.KEY_FUEL_LEVEL, buf.readUnsignedByte()); - break; - case "ML": - buf.readUnsignedByte(); // mil status - break; - case "FC": - position.set(Position.KEY_FUEL_CONSUMPTION, buf.readUnsignedInt()); - break; - case "CI": - readString(buf); // format string - break; - case "AV1": - position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort()); - break; - case "NC": - readString(buf); // gsm neighbor cell info - break; - case "SM": - buf.readUnsignedShort(); // max speed between reports - break; - case "GL": - readString(buf); // google link - break; - case "MA": - readString(buf); // mac address - break; - case "PD": - buf.readUnsignedByte(); // pending code status - break; - case "CD": - readString(buf); // sim cid - break; - case "CM": - buf.readLong(); // imsi - break; - case "GN": - buf.skipBytes(60); // g sensor data - break; - case "GV": - buf.skipBytes(6); // maximum g force - break; - case "ME": - buf.readLong(); // imei - break; - case "IA": - buf.readUnsignedByte(); // intake air temperature - break; - case "MP": - buf.readUnsignedByte(); // manifold absolute pressure - break; - default: - break; - } - } - - if (cellTower.getMobileCountryCode() != null - && cellTower.getMobileNetworkCode() != null - && cellTower.getCellId() != null && cellTower.getCellId() != 0 - && cellTower.getLocationAreaCode() != null) { - position.setNetwork(new Network(cellTower)); - } else if (cellTower.getSignalStrength() != null) { - position.set(Position.KEY_RSSI, cellTower.getSignalStrength()); - } - } - - private static final Pattern PATTERN_INFO = new PatternBuilder() - .text("$INFO=") - .number("(d+),") // unit id - .expression("([^,]+),") // model - .expression("([^,]+),") // firmware version - .number("d+,") // imei - .number("d+,") // imsi - .number("d+,") // sim card id - .number("(d+),") // power - .number("(d+),") // battery - .number("(d+),") // satellites - .number("d+,") // gsm status - .number("(d+),") // rssi - .number("d+,") // connection status - .number("d+") // antenna status - .any() - .compile(); - - private Position decodeInfo(Channel channel, SocketAddress remoteAddress, String sentence) { - - Position position = new Position(getProtocolName()); - - getLastLocation(position, null); - - DeviceSession deviceSession; - - if (sentence.startsWith("$INFO")) { - - Parser parser = new Parser(PATTERN_INFO, sentence); - if (!parser.matches()) { - return null; - } - - deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); - - position.set("model", parser.next()); - position.set(Position.KEY_VERSION_FW, parser.next()); - position.set(Position.KEY_POWER, parser.nextInt() * 0.1); - position.set(Position.KEY_BATTERY, parser.nextInt() * 0.1); - position.set(Position.KEY_SATELLITES, parser.nextInt()); - position.set(Position.KEY_RSSI, parser.nextInt()); - - } else { - - deviceSession = getDeviceSession(channel, remoteAddress); - - position.set(Position.KEY_RESULT, sentence); - - } - - if (deviceSession == null) { - return null; - } else { - position.setDeviceId(deviceSession.getDeviceId()); - return position; - } - } - - private static final Pattern PATTERN = new PatternBuilder() - .number("(d+),") // date and time - .number("d+,") // rtc date and time - .number("d+,") // device date and time - .number("(-?d+),") // longitude - .number("(-?d+),") // latitude - .number("(d+),") // course - .number("(d+),") // report id - .number("(d+.?d*),") // odometer - .number("(d+),") // hdop - .number("(d+),") // inputs - .number("(d+),") // speed - .number("(d+),") // outputs - .number("(d+),") // adc - .number("([^,]+)?,") // driver - .number("(d+),") // temp1 - .number("(d+),") // temp2 - .expression("[^,]*,") // text message - .expression("(.*)") // custom data - .optional(2) - .compile(); - - private List<Position> decodeText(Channel channel, SocketAddress remoteAddress, String sentence) { - - int startIndex = 0; - for (int i = 0; i < 4; i++) { - startIndex = sentence.indexOf(',', startIndex + 1); - } - int endIndex = sentence.indexOf(',', startIndex + 1); - - String imei = sentence.substring(startIndex + 1, endIndex); - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei); - if (deviceSession == null) { - return null; - } - - List<Position> positions = new LinkedList<>(); - String[] lines = sentence.substring(endIndex + 1).split("\r\n"); - - for (String line : lines) { - Position position = decodeTextLine(deviceSession, line); - if (position != null) { - positions.add(position); - } - } - - return positions; - } - - - private Position decodeTextLine(DeviceSession deviceSession, String sentence) { - - Parser parser = new Parser(PATTERN, sentence); - if (!parser.matches()) { - return null; - } - - Position position = new Position(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - position.setValid(true); - - String time = parser.next(); - if (time.length() >= 14) { - try { - DateFormat dateFormat = new SimpleDateFormat("yyyyMMddHHmmss"); - dateFormat.setTimeZone(TimeZone.getTimeZone("UTC")); - position.setTime(dateFormat.parse(time)); - } catch (ParseException e) { - throw new RuntimeException(e); - } - } else { - position.setTime(new Date(Long.parseLong(time) * 1000)); - } - - position.setLongitude(parser.nextInt() * 0.000001); - position.setLatitude(parser.nextInt() * 0.000001); - position.setCourse(parser.nextInt()); - - position.set(Position.KEY_EVENT, parser.nextInt()); - position.set(Position.KEY_ODOMETER, parser.nextDouble() * 100); - position.set(Position.KEY_HDOP, parser.nextInt() * 0.1); - position.set(Position.KEY_INPUT, parser.nextInt()); - - position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt())); - - position.set(Position.KEY_OUTPUT, parser.nextInt()); - position.set(Position.PREFIX_ADC + 1, parser.nextInt()); - - if (parser.hasNext()) { - position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next()); - } - - position.set(Position.PREFIX_TEMP + 1, parser.nextInt()); - position.set(Position.PREFIX_TEMP + 2, parser.nextInt()); - - if (custom) { - String data = parser.next(); - String form = this.form; - if (form == null) { - form = data.substring(0, data.indexOf(',')).substring("%CI".length()); - data = data.substring(data.indexOf(',') + 1); - } - readTextCustomData(position, data, form); - } - - return position; - } - - private List<Position> decodeBinary(Channel channel, SocketAddress remoteAddress, ByteBuf buf) { - - buf.skipBytes(2); // prefix - buf.readUnsignedShort(); // checksum - buf.readUnsignedShort(); // length - int index = buf.readUnsignedShort(); - - long id = buf.readLong(); - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(id)); - if (deviceSession == null) { - return null; - } - - sendResponse(channel, remoteAddress, id, index); - - List<Position> positions = new LinkedList<>(); - - while (buf.readableBytes() >= MIN_DATA_LENGTH) { - - Position position = new Position(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - if (longDate) { - - DateBuilder dateBuilder = new DateBuilder() - .setDate(buf.readUnsignedShort(), buf.readUnsignedByte(), buf.readUnsignedByte()) - .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()); - position.setTime(dateBuilder.getDate()); - - buf.skipBytes(7 + 7); - - } else { - position.setFixTime(new Date(buf.readUnsignedInt() * 1000)); - position.setDeviceTime(new Date(buf.readUnsignedInt() * 1000)); - buf.readUnsignedInt(); // send time - } - - position.setValid(true); - position.setLongitude(buf.readInt() * 0.000001); - position.setLatitude(buf.readInt() * 0.000001); - position.setCourse(buf.readUnsignedShort()); - - int type = buf.readUnsignedByte(); - position.set(Position.KEY_TYPE, type); - position.set(Position.KEY_ALARM, alarmMap.get(type)); - - position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 100); - position.set(Position.KEY_HDOP, buf.readUnsignedShort() * 0.1); - position.set(Position.KEY_INPUT, buf.readUnsignedByte()); - - position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort())); - - position.set(Position.KEY_OUTPUT, buf.readUnsignedByte()); - position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort() * 0.001); - - position.set(Position.KEY_DRIVER_UNIQUE_ID, readString(buf)); - - position.set(Position.PREFIX_TEMP + 1, buf.readShort() * 0.1); - position.set(Position.PREFIX_TEMP + 2, buf.readShort() * 0.1); - - String message = readString(buf); - if (message != null && !message.isEmpty()) { - Pattern pattern = Pattern.compile("FULS:F=(\\p{XDigit}+) t=(\\p{XDigit}+) N=(\\p{XDigit}+)"); - Matcher matcher = pattern.matcher(message); - if (matcher.find()) { - int value = Integer.parseInt(matcher.group(3), decimalFuel ? 10 : 16); - position.set(Position.KEY_FUEL_LEVEL, value * 0.1); - } else { - position.set("message", message); - } - } - - if (custom) { - String form = this.form; - if (form == null) { - form = readString(buf).trim().substring("%CI".length()); - } - readBinaryCustomData(position, buf, form); - } - - positions.add(position); - - } - - return positions; - } - - @Override - protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - - ByteBuf buf = (ByteBuf) msg; - - if (buf.getUnsignedShort(buf.readerIndex()) == 0xfe02) { - if (channel != null) { - channel.writeAndFlush(new NetworkMessage(buf.retain(), remoteAddress)); // keep-alive message - } - return null; - } else if (buf.getByte(buf.readerIndex()) == '$') { - return decodeInfo(channel, remoteAddress, buf.toString(StandardCharsets.US_ASCII).trim()); - } else if (buf.getByte(buf.readerIndex() + 2) == ',') { - return decodeText(channel, remoteAddress, buf.toString(StandardCharsets.US_ASCII).trim()); - } else { - return decodeBinary(channel, remoteAddress, buf); - } - } - -} |