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Diffstat (limited to 'src/main/java/org/traccar/protocol/EelinkProtocolDecoder.java')
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diff --git a/src/main/java/org/traccar/protocol/EelinkProtocolDecoder.java b/src/main/java/org/traccar/protocol/EelinkProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/EelinkProtocolDecoder.java
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+/*
+ * Copyright 2014 - 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.ByteBufUtil;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import io.netty.channel.socket.DatagramChannel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+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.regex.Pattern;
+
+public class EelinkProtocolDecoder extends BaseProtocolDecoder {
+
+ public EelinkProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ public static final int MSG_LOGIN = 0x01;
+ public static final int MSG_GPS = 0x02;
+ public static final int MSG_HEARTBEAT = 0x03;
+ public static final int MSG_ALARM = 0x04;
+ public static final int MSG_STATE = 0x05;
+ public static final int MSG_SMS = 0x06;
+ public static final int MSG_OBD = 0x07;
+ public static final int MSG_DOWNLINK = 0x80;
+ public static final int MSG_DATA = 0x81;
+
+ public static final int MSG_NORMAL = 0x12;
+ public static final int MSG_WARNING = 0x14;
+ public static final int MSG_REPORT = 0x15;
+ public static final int MSG_COMMAND = 0x16;
+ public static final int MSG_OBD_DATA = 0x17;
+ public static final int MSG_OBD_BODY = 0x18;
+ public static final int MSG_OBD_CODE = 0x19;
+ public static final int MSG_CAMERA_INFO = 0x1E;
+ public static final int MSG_CAMERA_DATA = 0x1F;
+
+ private String decodeAlarm(Short value) {
+ switch (value) {
+ case 0x01:
+ return Position.ALARM_POWER_OFF;
+ case 0x02:
+ return Position.ALARM_SOS;
+ case 0x03:
+ return Position.ALARM_LOW_BATTERY;
+ case 0x04:
+ return Position.ALARM_VIBRATION;
+ case 0x08:
+ case 0x09:
+ return Position.ALARM_GPS_ANTENNA_CUT;
+ case 0x81:
+ return Position.ALARM_LOW_SPEED;
+ case 0x82:
+ return Position.ALARM_OVERSPEED;
+ case 0x83:
+ return Position.ALARM_GEOFENCE_ENTER;
+ case 0x84:
+ return Position.ALARM_GEOFENCE_EXIT;
+ case 0x85:
+ return Position.ALARM_ACCIDENT;
+ case 0x86:
+ return Position.ALARM_FALL_DOWN;
+ default:
+ return null;
+ }
+ }
+
+ private void decodeStatus(Position position, int status) {
+ if (BitUtil.check(status, 1)) {
+ position.set(Position.KEY_IGNITION, BitUtil.check(status, 2));
+ }
+ if (BitUtil.check(status, 3)) {
+ position.set(Position.KEY_ARMED, BitUtil.check(status, 4));
+ }
+ if (BitUtil.check(status, 5)) {
+ position.set(Position.KEY_BLOCKED, !BitUtil.check(status, 6));
+ }
+ if (BitUtil.check(status, 7)) {
+ position.set(Position.KEY_CHARGE, BitUtil.check(status, 8));
+ }
+ position.set(Position.KEY_STATUS, status);
+ }
+
+ private Position decodeOld(DeviceSession deviceSession, ByteBuf buf, int type, int index) {
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_INDEX, index);
+
+ position.setTime(new Date(buf.readUnsignedInt() * 1000));
+ position.setLatitude(buf.readInt() / 1800000.0);
+ position.setLongitude(buf.readInt() / 1800000.0);
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+ position.setCourse(buf.readUnsignedShort());
+
+ position.setNetwork(new Network(CellTower.from(
+ buf.readUnsignedShort(), buf.readUnsignedShort(), buf.readUnsignedShort(), buf.readUnsignedMedium())));
+
+ position.setValid((buf.readUnsignedByte() & 0x01) != 0);
+
+ if (type == MSG_GPS) {
+
+ if (buf.readableBytes() >= 2) {
+ decodeStatus(position, buf.readUnsignedShort());
+ }
+
+ if (buf.readableBytes() >= 2 * 4) {
+
+ position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.001);
+
+ position.set(Position.KEY_RSSI, buf.readUnsignedShort());
+
+ position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort());
+ position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort());
+
+ }
+
+ } else if (type == MSG_ALARM) {
+
+ position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
+
+ } else if (type == MSG_STATE) {
+
+ int statusType = buf.readUnsignedByte();
+
+ position.set(Position.KEY_EVENT, statusType);
+
+ if (statusType == 0x01 || statusType == 0x02 || statusType == 0x03) {
+ buf.readUnsignedInt(); // device time
+ if (buf.readableBytes() >= 2) {
+ decodeStatus(position, buf.readUnsignedShort());
+ }
+ }
+
+ }
+
+ return position;
+ }
+
+ private Position decodeNew(DeviceSession deviceSession, ByteBuf buf, int type, int index) {
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_INDEX, index);
+
+ position.setTime(new Date(buf.readUnsignedInt() * 1000));
+
+ int flags = buf.readUnsignedByte();
+
+ if (BitUtil.check(flags, 0)) {
+ position.setLatitude(buf.readInt() / 1800000.0);
+ position.setLongitude(buf.readInt() / 1800000.0);
+ position.setAltitude(buf.readShort());
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
+ position.setCourse(buf.readUnsignedShort());
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+ } else {
+ getLastLocation(position, position.getDeviceTime());
+ }
+
+ if (BitUtil.check(flags, 1)) {
+ position.setNetwork(new Network(CellTower.from(
+ buf.readUnsignedShort(), buf.readUnsignedShort(),
+ buf.readUnsignedShort(), buf.readUnsignedInt(), buf.readUnsignedByte())));
+ }
+
+ if (BitUtil.check(flags, 2)) {
+ buf.skipBytes(7); // bsid1
+ }
+
+ if (BitUtil.check(flags, 3)) {
+ buf.skipBytes(7); // bsid2
+ }
+
+ if (BitUtil.check(flags, 4)) {
+ buf.skipBytes(7); // bss0
+ }
+
+ if (BitUtil.check(flags, 5)) {
+ buf.skipBytes(7); // bss1
+ }
+
+ if (BitUtil.check(flags, 6)) {
+ buf.skipBytes(7); // bss2
+ }
+
+ if (type == MSG_WARNING) {
+
+ position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
+
+ } else if (type == MSG_REPORT) {
+
+ buf.readUnsignedByte(); // report type
+
+ }
+
+ if (type == MSG_NORMAL || type == MSG_WARNING || type == MSG_REPORT) {
+
+ int status = buf.readUnsignedShort();
+ position.setValid(BitUtil.check(status, 0));
+ if (BitUtil.check(status, 1)) {
+ position.set(Position.KEY_IGNITION, BitUtil.check(status, 2));
+ }
+ position.set(Position.KEY_STATUS, status);
+
+ }
+
+ if (type == MSG_NORMAL) {
+
+ if (buf.readableBytes() >= 2) {
+ position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.001);
+ }
+
+ if (buf.readableBytes() >= 4) {
+ position.set(Position.PREFIX_ADC + 0, buf.readUnsignedShort());
+ position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort());
+ }
+
+ if (buf.readableBytes() >= 4) {
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
+ }
+
+ if (buf.readableBytes() >= 4) {
+ buf.readUnsignedShort(); // gsm counter
+ buf.readUnsignedShort(); // gps counter
+ }
+
+ if (buf.readableBytes() >= 4) {
+ position.set(Position.KEY_STEPS, buf.readUnsignedShort());
+ buf.readUnsignedShort(); // walking time
+ }
+
+ if (buf.readableBytes() >= 12) {
+ position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedShort() / 256.0);
+ position.set("humidity", buf.readUnsignedShort() * 0.1);
+ position.set("illuminance", buf.readUnsignedInt() / 256.0);
+ position.set("co2", buf.readUnsignedInt());
+ }
+
+ if (buf.readableBytes() >= 2) {
+ position.set(Position.PREFIX_TEMP + 2, buf.readShort() / 16.0);
+ }
+
+ }
+
+ return position;
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("Lat:")
+ .number("([NS])(d+.d+)") // latitude
+ .any()
+ .text("Lon:")
+ .number("([EW])(d+.d+)") // longitude
+ .any()
+ .text("Course:")
+ .number("(d+.d+)") // course
+ .any()
+ .text("Speed:")
+ .number("(d+.d+)") // speed
+ .any()
+ .expression("Date ?Time:")
+ .number("(dddd)-(dd)-(dd) ") // date
+ .number("(dd):(dd):(dd)") // time
+ .compile();
+
+ private Position decodeResult(DeviceSession deviceSession, ByteBuf buf, int index) {
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_INDEX, index);
+
+ buf.readUnsignedByte(); // type
+ buf.readUnsignedInt(); // uid
+
+ String sentence = buf.toString(StandardCharsets.UTF_8);
+
+ Parser parser = new Parser(PATTERN, sentence);
+ if (parser.matches()) {
+
+ position.setValid(true);
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
+ position.setCourse(parser.nextDouble());
+ position.setSpeed(UnitsConverter.knotsFromKph(parser.nextDouble()));
+ position.setTime(parser.nextDateTime());
+
+ } else {
+
+ getLastLocation(position, null);
+
+ position.set(Position.KEY_RESULT, sentence);
+
+ }
+
+ return position;
+ }
+
+ private Position decodeObd(DeviceSession deviceSession, ByteBuf buf, int index) {
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ getLastLocation(position, new Date(buf.readUnsignedInt() * 1000));
+
+ while (buf.readableBytes() > 0) {
+ int pid = buf.readUnsignedByte();
+ int value = buf.readInt();
+ switch (pid) {
+ case 0x89:
+ position.set(Position.KEY_FUEL_CONSUMPTION, value);
+ break;
+ case 0x8a:
+ position.set(Position.KEY_ODOMETER, value * 1000L);
+ break;
+ case 0x8b:
+ position.set(Position.KEY_FUEL_LEVEL, value / 10);
+ break;
+ default:
+ break;
+ }
+ }
+
+ return position;
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ String uniqueId = null;
+ DeviceSession deviceSession;
+
+ if (buf.getByte(0) == 'E' && buf.getByte(1) == 'L') {
+ buf.skipBytes(2 + 2 + 2); // udp header
+ uniqueId = ByteBufUtil.hexDump(buf.readSlice(8)).substring(1);
+ deviceSession = getDeviceSession(channel, remoteAddress, uniqueId);
+ } else {
+ deviceSession = getDeviceSession(channel, remoteAddress);
+ }
+
+ buf.skipBytes(2); // header
+ int type = buf.readUnsignedByte();
+ buf.readShort(); // length
+ int index = buf.readUnsignedShort();
+
+ if (type != MSG_GPS && type != MSG_DATA) {
+ ByteBuf content = Unpooled.buffer();
+ if (type == MSG_LOGIN) {
+ content.writeInt((int) (System.currentTimeMillis() / 1000));
+ content.writeByte(1); // protocol version
+ content.writeByte(0); // action mask
+ }
+ ByteBuf response = EelinkProtocolEncoder.encodeContent(
+ channel instanceof DatagramChannel, uniqueId, type, index, content);
+ content.release();
+ if (channel != null) {
+ channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
+ }
+ }
+
+ if (type == MSG_LOGIN) {
+
+ if (deviceSession == null) {
+ getDeviceSession(channel, remoteAddress, ByteBufUtil.hexDump(buf.readSlice(8)).substring(1));
+ }
+
+ } else {
+
+ if (deviceSession == null) {
+ return null;
+ }
+
+ if (type == MSG_GPS || type == MSG_ALARM || type == MSG_STATE || type == MSG_SMS) {
+
+ return decodeOld(deviceSession, buf, type, index);
+
+ } else if (type >= MSG_NORMAL && type <= MSG_OBD_CODE) {
+
+ return decodeNew(deviceSession, buf, type, index);
+
+ } else if (type == MSG_HEARTBEAT && buf.readableBytes() >= 2) {
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ getLastLocation(position, null);
+
+ decodeStatus(position, buf.readUnsignedShort());
+
+ return position;
+
+ } else if (type == MSG_OBD) {
+
+ return decodeObd(deviceSession, buf, index);
+
+ } else if (type == MSG_DOWNLINK) {
+
+ return decodeResult(deviceSession, buf, index);
+
+ }
+
+ }
+
+ return null;
+ }
+
+}