diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/TranSyncProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/TranSyncProtocolDecoder.java | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/TranSyncProtocolDecoder.java b/src/main/java/org/traccar/protocol/TranSyncProtocolDecoder.java new file mode 100644 index 000000000..816b5d2cf --- /dev/null +++ b/src/main/java/org/traccar/protocol/TranSyncProtocolDecoder.java @@ -0,0 +1,166 @@ +/* + * Copyright 2023 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.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.Protocol; +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 org.traccar.session.DeviceSession; + +import java.net.SocketAddress; + +public class TranSyncProtocolDecoder extends BaseProtocolDecoder { + + public TranSyncProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private String decodeAlarm(int value) { + switch (value) { + case 4: + return Position.ALARM_LOW_BATTERY; + case 6: + return Position.ALARM_POWER_RESTORED; + case 10: + return Position.ALARM_SOS; + case 13: + return Position.ALARM_BRAKING; + case 14: + return Position.ALARM_ACCELERATION; + case 17: + return Position.ALARM_OVERSPEED; + case 23: + return Position.ALARM_ACCIDENT; + default: + return null; + } + } + + @Override + protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + buf.readUnsignedShort(); // header + buf.readByte(); // length + + int lac = buf.readUnsignedShort(); + + String deviceId = ByteBufUtil.hexDump(buf.readSlice(8)); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, deviceId); + if (deviceSession == null) { + return null; + } + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + buf.readUnsignedShort(); // index + buf.readUnsignedByte(); // type + + position.setTime(new DateBuilder() + .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()) + .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()) + .getDate()); + + double latitude = buf.readUnsignedInt() / 1800000.0; + double longitude = buf.readUnsignedInt() / 1800000.0; + + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte())); + position.setCourse(buf.readUnsignedShort()); + + int mnc = buf.readUnsignedByte(); + int cid = buf.readUnsignedShort(); + int status0 = buf.readUnsignedByte(); + + position.setValid(BitUtil.check(status0, 0)); + position.setLatitude(BitUtil.check(status0, 1) ? latitude : -latitude); + position.setLongitude(BitUtil.check(status0, 2) ? longitude : -longitude); + + position.set(Position.PREFIX_OUT + 1, BitUtil.check(status0, 7)); + position.set(Position.PREFIX_OUT + 2, BitUtil.check(status0, 6)); + position.set(Position.PREFIX_IN + 3, BitUtil.check(status0, 5)); + if (BitUtil.check(status0, 4)) { + position.set(Position.KEY_ALARM, Position.ALARM_POWER_OFF); + } + position.set(Position.KEY_IGNITION, BitUtil.check(status0, 3)); + + buf.readUnsignedByte(); // reserved + + int event = buf.readUnsignedByte(); + position.set(Position.KEY_ALARM, decodeAlarm(event)); + position.set(Position.KEY_EVENT, event); + + int status3 = buf.readUnsignedByte(); + if (BitUtil.check(status3, 7)) { + position.set(Position.KEY_ARCHIVE, true); + } + if (BitUtil.check(status3, 5)) { + position.set(Position.KEY_ALARM, Position.ALARM_GPS_ANTENNA_CUT); + } + + int rssi = buf.readUnsignedByte(); + CellTower cellTower = CellTower.fromLacCid(getConfig(), lac, cid); + cellTower.setMobileNetworkCode(mnc); + cellTower.setSignalStrength(rssi); + position.setNetwork(new Network(cellTower)); + + position.set(Position.KEY_BATTERY, (double) (buf.readUnsignedByte() / 10)); + position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); + position.set(Position.KEY_HDOP, buf.readUnsignedByte()); + position.set(Position.PREFIX_ADC + 1, (short) buf.readUnsignedShort()); + + if (buf.readableBytes() > 5) { + buf.readUnsignedByte(); // odometer id + int length = buf.readUnsignedByte(); + if (length > 0) { + position.set(Position.KEY_ODOMETER, buf.readBytes(length).readInt()); + } + } + if (buf.readableBytes() > 5) { + buf.readUnsignedByte(); // rfid id + int length = buf.readUnsignedByte(); + if (length > 0) { + position.set(Position.KEY_DRIVER_UNIQUE_ID, ByteBufUtil.hexDump(buf.readSlice(length))); + } + } + if (buf.readableBytes() > 5) { + buf.readUnsignedByte(); // adc2 id + int length = buf.readUnsignedByte(); + if (length > 0) { + position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort()); + } + } + if (buf.readableBytes() > 5) { + buf.readUnsignedByte(); // adc3 id + int length = buf.readUnsignedByte(); + if (length > 0 && length <= buf.readableBytes() - 2) { + position.set(Position.PREFIX_ADC + 3, buf.readUnsignedShort()); + } + } + + return position; + } + +} |