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Diffstat (limited to 'src/main/java/org/traccar/protocol/Gl200BinaryProtocolDecoder.java')
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diff --git a/src/main/java/org/traccar/protocol/Gl200BinaryProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gl200BinaryProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/Gl200BinaryProtocolDecoder.java
@@ -0,0 +1,403 @@
+/*
+ * Copyright 2017 - 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.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.BitBuffer;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.DateBuilder;
+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;
+
+public class Gl200BinaryProtocolDecoder extends BaseProtocolDecoder {
+
+ public Gl200BinaryProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private Date decodeTime(ByteBuf buf) {
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(buf.readUnsignedShort(), buf.readUnsignedByte(), buf.readUnsignedByte())
+ .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
+ return dateBuilder.getDate();
+ }
+
+ public static final int MSG_RSP_LCB = 3;
+ public static final int MSG_RSP_GEO = 8;
+ public static final int MSG_RSP_COMPRESSED = 100;
+
+ private List<Position> decodeLocation(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
+
+ List<Position> positions = new LinkedList<>();
+
+ int type = buf.readUnsignedByte();
+
+ buf.readUnsignedInt(); // mask
+ buf.readUnsignedShort(); // length
+ buf.readUnsignedByte(); // device type
+ buf.readUnsignedShort(); // protocol version
+ buf.readUnsignedShort(); // firmware version
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.format("%015d", buf.readLong()));
+ if (deviceSession == null) {
+ return null;
+ }
+
+ int battery = buf.readUnsignedByte();
+ int power = buf.readUnsignedShort();
+
+ if (type == MSG_RSP_GEO) {
+ buf.readUnsignedByte(); // reserved
+ buf.readUnsignedByte(); // reserved
+ }
+
+ buf.readUnsignedByte(); // motion status
+ int satellites = buf.readUnsignedByte();
+
+ if (type != MSG_RSP_COMPRESSED) {
+ buf.readUnsignedByte(); // index
+ }
+
+ if (type == MSG_RSP_LCB) {
+ buf.readUnsignedByte(); // phone length
+ for (int b = buf.readUnsignedByte();; b = buf.readUnsignedByte()) {
+ if ((b & 0xf) == 0xf || (b & 0xf0) == 0xf0) {
+ break;
+ }
+ }
+ }
+
+ if (type == MSG_RSP_COMPRESSED) {
+
+ int count = buf.readUnsignedShort();
+
+ BitBuffer bits;
+ int speed = 0;
+ int heading = 0;
+ int latitude = 0;
+ int longitude = 0;
+ long time = 0;
+
+ for (int i = 0; i < count; i++) {
+
+ if (time > 0) {
+ time += 1;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ switch (BitUtil.from(buf.getUnsignedByte(buf.readerIndex()), 8 - 2)) {
+ case 1:
+ bits = new BitBuffer(buf.readSlice(3));
+ bits.readUnsigned(2); // point attribute
+ bits.readUnsigned(1); // fix type
+ speed = bits.readUnsigned(12);
+ heading = bits.readUnsigned(9);
+ longitude = buf.readInt();
+ latitude = buf.readInt();
+ if (time == 0) {
+ time = buf.readUnsignedInt();
+ }
+ break;
+ case 2:
+ bits = new BitBuffer(buf.readSlice(5));
+ bits.readUnsigned(2); // point attribute
+ bits.readUnsigned(1); // fix type
+ speed += bits.readSigned(7);
+ heading += bits.readSigned(7);
+ longitude += bits.readSigned(12);
+ latitude += bits.readSigned(11);
+ break;
+ default:
+ buf.readUnsignedByte(); // invalid or same
+ continue;
+ }
+
+ position.setValid(true);
+ position.setTime(new Date(time * 1000));
+ position.setSpeed(UnitsConverter.knotsFromKph(speed * 0.1));
+ position.setCourse(heading);
+ position.setLongitude(longitude * 0.000001);
+ position.setLatitude(latitude * 0.000001);
+
+ positions.add(position);
+
+ }
+
+ } else {
+
+ int count = buf.readUnsignedByte();
+
+ for (int i = 0; i < count; i++) {
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_BATTERY_LEVEL, battery);
+ position.set(Position.KEY_POWER, power);
+ position.set(Position.KEY_SATELLITES, satellites);
+
+ int hdop = buf.readUnsignedByte();
+ position.setValid(hdop > 0);
+ position.set(Position.KEY_HDOP, hdop);
+
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedMedium() * 0.1));
+ position.setCourse(buf.readUnsignedShort());
+ position.setAltitude(buf.readShort());
+ position.setLongitude(buf.readInt() * 0.000001);
+ position.setLatitude(buf.readInt() * 0.000001);
+
+ position.setTime(decodeTime(buf));
+
+ position.setNetwork(new Network(CellTower.from(
+ buf.readUnsignedShort(), buf.readUnsignedShort(),
+ buf.readUnsignedShort(), buf.readUnsignedShort())));
+
+ buf.readUnsignedByte(); // reserved
+
+ positions.add(position);
+
+ }
+
+ }
+
+ return positions;
+ }
+
+ public static final int MSG_EVT_BPL = 6;
+ public static final int MSG_EVT_VGN = 45;
+ public static final int MSG_EVT_VGF = 46;
+ public static final int MSG_EVT_UPD = 15;
+ public static final int MSG_EVT_IDF = 17;
+ public static final int MSG_EVT_GSS = 21;
+ public static final int MSG_EVT_GES = 26;
+ public static final int MSG_EVT_GPJ = 31;
+ public static final int MSG_EVT_RMD = 35;
+ public static final int MSG_EVT_JDS = 33;
+ public static final int MSG_EVT_CRA = 23;
+ public static final int MSG_EVT_UPC = 34;
+
+ private Position decodeEvent(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
+
+ Position position = new Position(getProtocolName());
+
+ int type = buf.readUnsignedByte();
+
+ buf.readUnsignedInt(); // mask
+ buf.readUnsignedShort(); // length
+ buf.readUnsignedByte(); // device type
+ buf.readUnsignedShort(); // protocol version
+
+ position.set(Position.KEY_VERSION_FW, String.valueOf(buf.readUnsignedShort()));
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.format("%015d", buf.readLong()));
+ if (deviceSession == null) {
+ return null;
+ }
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_BATTERY_LEVEL, buf.readUnsignedByte());
+ position.set(Position.KEY_POWER, buf.readUnsignedShort());
+
+ buf.readUnsignedByte(); // motion status
+
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+
+ switch (type) {
+ case MSG_EVT_BPL:
+ buf.readUnsignedShort(); // backup battery voltage
+ break;
+ case MSG_EVT_VGN:
+ case MSG_EVT_VGF:
+ buf.readUnsignedShort(); // reserved
+ buf.readUnsignedByte(); // report type
+ buf.readUnsignedInt(); // ignition duration
+ break;
+ case MSG_EVT_UPD:
+ buf.readUnsignedShort(); // code
+ buf.readUnsignedByte(); // retry
+ break;
+ case MSG_EVT_IDF:
+ buf.readUnsignedInt(); // idling duration
+ break;
+ case MSG_EVT_GSS:
+ buf.readUnsignedByte(); // gps signal status
+ buf.readUnsignedInt(); // reserved
+ break;
+ case MSG_EVT_GES:
+ buf.readUnsignedShort(); // trigger geo id
+ buf.readUnsignedByte(); // trigger geo enable
+ buf.readUnsignedByte(); // trigger mode
+ buf.readUnsignedInt(); // radius
+ buf.readUnsignedInt(); // check interval
+ break;
+ case MSG_EVT_GPJ:
+ buf.readUnsignedByte(); // cw jamming value
+ buf.readUnsignedByte(); // gps jamming state
+ break;
+ case MSG_EVT_RMD:
+ buf.readUnsignedByte(); // roaming state
+ break;
+ case MSG_EVT_JDS:
+ buf.readUnsignedByte(); // jamming state
+ break;
+ case MSG_EVT_CRA:
+ buf.readUnsignedByte(); // crash counter
+ break;
+ case MSG_EVT_UPC:
+ buf.readUnsignedByte(); // command id
+ buf.readUnsignedShort(); // result
+ break;
+ default:
+ break;
+ }
+
+ buf.readUnsignedByte(); // count
+
+ int hdop = buf.readUnsignedByte();
+ position.setValid(hdop > 0);
+ position.set(Position.KEY_HDOP, hdop);
+
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedMedium() * 0.1));
+ position.setCourse(buf.readUnsignedShort());
+ position.setAltitude(buf.readShort());
+ position.setLongitude(buf.readInt() * 0.000001);
+ position.setLatitude(buf.readInt() * 0.000001);
+
+ position.setTime(decodeTime(buf));
+
+ position.setNetwork(new Network(CellTower.from(
+ buf.readUnsignedShort(), buf.readUnsignedShort(),
+ buf.readUnsignedShort(), buf.readUnsignedShort())));
+
+ buf.readUnsignedByte(); // reserved
+
+ return position;
+ }
+
+ public static final int MSG_INF_GPS = 2;
+ public static final int MSG_INF_CID = 4;
+ public static final int MSG_INF_CSQ = 5;
+ public static final int MSG_INF_VER = 6;
+ public static final int MSG_INF_BAT = 7;
+ public static final int MSG_INF_TMZ = 9;
+ public static final int MSG_INF_GIR = 10;
+
+ private Position decodeInformation(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
+
+ Position position = new Position(getProtocolName());
+
+ int type = buf.readUnsignedByte();
+
+ buf.readUnsignedInt(); // mask
+ buf.readUnsignedShort(); // length
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.format("%015d", buf.readLong()));
+ if (deviceSession == null) {
+ return null;
+ }
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ buf.readUnsignedByte(); // device type
+ buf.readUnsignedShort(); // protocol version
+
+ position.set(Position.KEY_VERSION_FW, String.valueOf(buf.readUnsignedShort()));
+
+ if (type == MSG_INF_VER) {
+ buf.readUnsignedShort(); // hardware version
+ buf.readUnsignedShort(); // mcu version
+ buf.readUnsignedShort(); // reserved
+ }
+
+ buf.readUnsignedByte(); // motion status
+ buf.readUnsignedByte(); // reserved
+
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+
+ buf.readUnsignedByte(); // mode
+ buf.skipBytes(7); // last fix time
+ buf.readUnsignedByte(); // reserved
+ buf.readUnsignedByte();
+ buf.readUnsignedShort(); // response report mask
+ buf.readUnsignedShort(); // ign interval
+ buf.readUnsignedShort(); // igf interval
+ buf.readUnsignedInt(); // reserved
+ buf.readUnsignedByte(); // reserved
+
+ if (type == MSG_INF_BAT) {
+ position.set(Position.KEY_CHARGE, buf.readUnsignedByte() != 0);
+ position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.001);
+ position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.001);
+ position.set(Position.KEY_BATTERY_LEVEL, buf.readUnsignedByte());
+ }
+
+ buf.skipBytes(10); // iccid
+
+ if (type == MSG_INF_CSQ) {
+ position.set(Position.KEY_RSSI, buf.readUnsignedByte());
+ buf.readUnsignedByte();
+ }
+
+ buf.readUnsignedByte(); // time zone flags
+ buf.readUnsignedShort(); // time zone offset
+
+ if (type == MSG_INF_GIR) {
+ buf.readUnsignedByte(); // gir trigger
+ buf.readUnsignedByte(); // cell number
+ position.setNetwork(new Network(CellTower.from(
+ buf.readUnsignedShort(), buf.readUnsignedShort(),
+ buf.readUnsignedShort(), buf.readUnsignedShort())));
+ buf.readUnsignedByte(); // ta
+ buf.readUnsignedByte(); // rx level
+ }
+
+ getLastLocation(position, decodeTime(buf));
+
+ return position;
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ switch (buf.readSlice(4).toString(StandardCharsets.US_ASCII)) {
+ case "+RSP":
+ return decodeLocation(channel, remoteAddress, buf);
+ case "+INF":
+ return decodeInformation(channel, remoteAddress, buf);
+ case "+EVT":
+ return decodeEvent(channel, remoteAddress, buf);
+ default:
+ return null;
+ }
+ }
+
+}