From 707389659d7d1e08f774bf82557f0bcff4b13e37 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Mon, 29 Apr 2019 21:52:53 -0700 Subject: Update protocol name --- .../protocol/Minifinder2ProtocolDecoder.java | 153 +++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100644 src/main/java/org/traccar/protocol/Minifinder2ProtocolDecoder.java (limited to 'src/main/java/org/traccar/protocol/Minifinder2ProtocolDecoder.java') diff --git a/src/main/java/org/traccar/protocol/Minifinder2ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Minifinder2ProtocolDecoder.java new file mode 100644 index 000000000..256848990 --- /dev/null +++ b/src/main/java/org/traccar/protocol/Minifinder2ProtocolDecoder.java @@ -0,0 +1,153 @@ +/* + * Copyright 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.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +import org.traccar.helper.BitUtil; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.CellTower; +import org.traccar.model.Network; +import org.traccar.model.Position; +import org.traccar.model.WifiAccessPoint; + +import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; + +public class Minifinder2ProtocolDecoder extends BaseProtocolDecoder { + + public Minifinder2ProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_DATA = 0x01; + + private String decodeAlarm(int code) { + if (BitUtil.check(code, 0)) { + return Position.ALARM_LOW_BATTERY; + } + if (BitUtil.check(code, 1)) { + return Position.ALARM_OVERSPEED; + } + if (BitUtil.check(code, 2)) { + return Position.ALARM_FALL_DOWN; + } + if (BitUtil.check(code, 8)) { + return Position.ALARM_POWER_OFF; + } + if (BitUtil.check(code, 9)) { + return Position.ALARM_POWER_ON; + } + if (BitUtil.check(code, 12)) { + return Position.ALARM_SOS; + } + return null; + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + buf.readUnsignedByte(); // header + buf.readUnsignedByte(); // properties + buf.readUnsignedShortLE(); // length + buf.readUnsignedShortLE(); // checksum + buf.readUnsignedShortLE(); // index + int type = buf.readUnsignedByte(); + + if (type == MSG_DATA) { + + Position position = new Position(getProtocolName()); + + while (buf.isReadable()) { + int endIndex = buf.readUnsignedByte() + buf.readerIndex(); + int key = buf.readUnsignedByte(); + switch (key) { + case 0x01: + DeviceSession deviceSession = getDeviceSession( + channel, remoteAddress, buf.readBytes(15).toString(StandardCharsets.US_ASCII)); + if (deviceSession == null) { + return null; + } + position.setDeviceId(deviceSession.getDeviceId()); + break; + case 0x02: + position.set(Position.KEY_ALARM, decodeAlarm(buf.readIntLE())); + break; + case 0x20: + position.setLatitude(buf.readIntLE() * 0.0000001); + position.setLongitude(buf.readIntLE() * 0.0000001); + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShortLE())); + position.setCourse(buf.readUnsignedShortLE()); + position.setAltitude(buf.readShortLE()); + position.setValid(buf.readUnsignedShortLE() > 0); + position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE()); + position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); + break; + case 0x21: + int mcc = buf.readUnsignedShortLE(); + int mnc = buf.readUnsignedByte(); + if (position.getNetwork() == null) { + position.setNetwork(new Network()); + } + while (buf.readerIndex() < endIndex) { + int rssi = buf.readByte(); + position.getNetwork().addCellTower(CellTower.from( + mcc, mnc, buf.readUnsignedShortLE(), buf.readUnsignedShortLE(), rssi)); + } + break; + case 0x22: + if (position.getNetwork() == null) { + position.setNetwork(new Network()); + } + while (buf.readerIndex() < endIndex) { + int rssi = buf.readByte(); + String mac = ByteBufUtil.hexDump(buf.readSlice(6)).replaceAll("(..)", "$1:"); + position.getNetwork().addWifiAccessPoint(WifiAccessPoint.from( + mac.substring(0, mac.length() - 1), rssi)); + } + break; + case 0x40: + buf.readUnsignedIntLE(); // timestamp + int heartRate = buf.readUnsignedByte(); + if (heartRate > 1) { + position.set(Position.KEY_HEART_RATE, heartRate); + } + break; + default: + break; + } + buf.readerIndex(endIndex); + } + + if (!position.getAttributes().containsKey(Position.KEY_SATELLITES)) { + getLastLocation(position, null); + } + + return position.getDeviceId() > 0 ? position : null; + + } + + return null; + } + +} -- cgit v1.2.3