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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/protocol/T800xProtocolDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/protocol/T800xProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/T800xProtocolDecoder.java199
1 files changed, 199 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java b/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java
@@ -0,0 +1,199 @@
+/*
+ * Copyright 2015 - 2019 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 org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.BcdUtil;
+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;
+
+public class T800xProtocolDecoder extends BaseProtocolDecoder {
+
+ public T800xProtocolDecoder(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_COMMAND = 0x81;
+
+ private void sendResponse(Channel channel, short header, int type, int index, ByteBuf imei) {
+ if (channel != null) {
+ ByteBuf response = Unpooled.buffer(15);
+ response.writeShort(header);
+ response.writeByte(type);
+ response.writeShort(response.capacity()); // length
+ response.writeShort(index);
+ response.writeBytes(imei);
+ channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
+ }
+ }
+
+ private String decodeAlarm(short value) {
+ switch (value) {
+ case 1:
+ return Position.ALARM_POWER_CUT;
+ case 2:
+ return Position.ALARM_LOW_BATTERY;
+ case 3:
+ return Position.ALARM_SOS;
+ case 4:
+ return Position.ALARM_OVERSPEED;
+ case 5:
+ return Position.ALARM_GEOFENCE_ENTER;
+ case 6:
+ return Position.ALARM_GEOFENCE_EXIT;
+ case 7:
+ return Position.ALARM_TOW;
+ case 8:
+ case 10:
+ return Position.ALARM_VIBRATION;
+ case 21:
+ return Position.ALARM_JAMMING;
+ case 23:
+ return Position.ALARM_POWER_RESTORED;
+ case 24:
+ return Position.ALARM_LOW_POWER;
+ default:
+ return null;
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ short header = buf.readShort();
+ int type = buf.readUnsignedByte();
+ buf.readUnsignedShort(); // length
+ int index = buf.readUnsignedShort();
+ ByteBuf imei = buf.readSlice(8);
+
+ DeviceSession deviceSession = getDeviceSession(
+ channel, remoteAddress, ByteBufUtil.hexDump(imei).substring(1));
+ if (deviceSession == null) {
+ return null;
+ }
+
+ sendResponse(channel, header, type, index, imei);
+
+ if (type == MSG_GPS || type == MSG_ALARM) {
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_INDEX, index);
+
+ buf.readUnsignedShort(); // acc on interval
+ buf.readUnsignedShort(); // acc off interval
+ buf.readUnsignedByte(); // angle compensation
+ buf.readUnsignedShort(); // distance compensation
+
+ position.set(Position.KEY_RSSI, BitUtil.to(buf.readUnsignedShort(), 7));
+
+ int status = buf.readUnsignedByte();
+ position.set(Position.KEY_SATELLITES, BitUtil.to(status, 5));
+
+ buf.readUnsignedByte(); // gsensor manager status
+ buf.readUnsignedByte(); // other flags
+ buf.readUnsignedByte(); // heartbeat
+ buf.readUnsignedByte(); // relay status
+ buf.readUnsignedShort(); // drag alarm setting
+
+ int io = buf.readUnsignedShort();
+ position.set(Position.KEY_IGNITION, BitUtil.check(io, 14));
+ position.set("ac", BitUtil.check(io, 13));
+
+ position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort());
+ position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort());
+
+ position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
+
+ buf.readUnsignedByte(); // reserved
+
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
+
+ int battery = BcdUtil.readInteger(buf, 2);
+ if (battery == 0) {
+ battery = 100;
+ }
+ position.set(Position.KEY_BATTERY, battery);
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setYear(BcdUtil.readInteger(buf, 2))
+ .setMonth(BcdUtil.readInteger(buf, 2))
+ .setDay(BcdUtil.readInteger(buf, 2))
+ .setHour(BcdUtil.readInteger(buf, 2))
+ .setMinute(BcdUtil.readInteger(buf, 2))
+ .setSecond(BcdUtil.readInteger(buf, 2));
+
+ if (BitUtil.check(status, 6)) {
+
+ position.setValid(!BitUtil.check(status, 7));
+ position.setTime(dateBuilder.getDate());
+ position.setAltitude(buf.readFloatLE());
+ position.setLongitude(buf.readFloatLE());
+ position.setLatitude(buf.readFloatLE());
+ position.setSpeed(UnitsConverter.knotsFromKph(BcdUtil.readInteger(buf, 4) * 0.1));
+ position.setCourse(buf.readUnsignedShort());
+
+ } else {
+
+ getLastLocation(position, dateBuilder.getDate());
+
+ int mcc = buf.readUnsignedShortLE();
+ int mnc = buf.readUnsignedShortLE();
+
+ if (mcc != 0xffff && mnc != 0xffff) {
+ Network network = new Network();
+ for (int i = 0; i < 3; i++) {
+ network.addCellTower(CellTower.from(
+ mcc, mnc, buf.readUnsignedShortLE(), buf.readUnsignedShortLE()));
+ }
+ position.setNetwork(network);
+ }
+
+ }
+
+ if (buf.readableBytes() >= 2) {
+ position.set(Position.KEY_POWER, BcdUtil.readInteger(buf, 4) * 0.01);
+ }
+
+ return position;
+
+ }
+
+ return null;
+ }
+
+}