From 59416923dcb3a756eaf532cc4259f2f6625c0762 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sun, 31 Mar 2019 22:35:39 -0700 Subject: Convert project to gradle --- .../traccar/protocol/AutoFonProtocolDecoder.java | 215 +++++++++++++++++++++ 1 file changed, 215 insertions(+) create mode 100644 src/main/java/org/traccar/protocol/AutoFonProtocolDecoder.java (limited to 'src/main/java/org/traccar/protocol/AutoFonProtocolDecoder.java') diff --git a/src/main/java/org/traccar/protocol/AutoFonProtocolDecoder.java b/src/main/java/org/traccar/protocol/AutoFonProtocolDecoder.java new file mode 100644 index 000000000..aa05ca2d7 --- /dev/null +++ b/src/main/java/org/traccar/protocol/AutoFonProtocolDecoder.java @@ -0,0 +1,215 @@ +/* + * Copyright 2015 - 2016 Anton Tananaev (anton@traccar.org) + * Copyright 2015 Vitaly Litvak (vitavaque@gmail.com) + * + * 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.BitUtil; +import org.traccar.helper.DateBuilder; +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.LinkedList; +import java.util.List; + +public class AutoFonProtocolDecoder extends BaseProtocolDecoder { + + public AutoFonProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_LOGIN = 0x10; + public static final int MSG_LOCATION = 0x11; + public static final int MSG_HISTORY = 0x12; + + public static final int MSG_45_LOGIN = 0x41; + public static final int MSG_45_LOCATION = 0x02; + + private static double convertCoordinate(int raw) { + int degrees = raw / 1000000; + double minutes = (raw % 1000000) / 10000.0; + return degrees + minutes / 60; + } + + private static double convertCoordinate(short degrees, int minutes) { + double value = degrees + BitUtil.from(minutes, 4) / 600000.0; + if (BitUtil.check(minutes, 0)) { + return value; + } else { + return -value; + } + } + + private Position decodePosition(DeviceSession deviceSession, ByteBuf buf, boolean history) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + if (!history) { + buf.readUnsignedByte(); // interval + buf.skipBytes(8); // settings + } + position.set(Position.KEY_STATUS, buf.readUnsignedByte()); + if (!history) { + buf.readUnsignedShort(); + } + position.set(Position.KEY_BATTERY, buf.readUnsignedByte()); + buf.skipBytes(6); // time + + if (!history) { + for (int i = 0; i < 2; i++) { + buf.skipBytes(5); // time + buf.readUnsignedShort(); // interval + buf.skipBytes(5); // mode + } + } + + position.set(Position.PREFIX_TEMP + 1, buf.readByte()); + + int rssi = buf.readUnsignedByte(); + CellTower cellTower = CellTower.from( + buf.readUnsignedShort(), buf.readUnsignedShort(), + buf.readUnsignedShort(), buf.readUnsignedShort(), rssi); + position.setNetwork(new Network(cellTower)); + + int valid = buf.readUnsignedByte(); + position.setValid((valid & 0xc0) != 0); + position.set(Position.KEY_SATELLITES, valid & 0x3f); + + DateBuilder dateBuilder = new DateBuilder() + .setDateReverse(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()) + .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()); + position.setTime(dateBuilder.getDate()); + + position.setLatitude(convertCoordinate(buf.readInt())); + position.setLongitude(convertCoordinate(buf.readInt())); + position.setAltitude(buf.readShort()); + position.setSpeed(buf.readUnsignedByte()); + position.setCourse(buf.readUnsignedByte() * 2.0); + + position.set(Position.KEY_HDOP, buf.readUnsignedShort()); + + buf.readUnsignedShort(); // reserved + buf.readUnsignedByte(); // checksum + return position; + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + int type = buf.readUnsignedByte(); + + if (type == MSG_LOGIN || type == MSG_45_LOGIN) { + + if (type == MSG_LOGIN) { + buf.readUnsignedByte(); // hardware version + buf.readUnsignedByte(); // software version + } + + String imei = ByteBufUtil.hexDump(buf.readSlice(8)).substring(1); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei); + + if (deviceSession != null && channel != null) { + ByteBuf response = Unpooled.buffer(); + response.writeBytes("resp_crc=".getBytes(StandardCharsets.US_ASCII)); + response.writeByte(buf.getByte(buf.writerIndex() - 1)); + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } + + return null; + + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); + if (deviceSession == null) { + return null; + } + + if (type == MSG_LOCATION) { + + return decodePosition(deviceSession, buf, false); + + } else if (type == MSG_HISTORY) { + + int count = buf.readUnsignedByte() & 0x0f; + buf.readUnsignedShort(); // total count + List positions = new LinkedList<>(); + + for (int i = 0; i < count; i++) { + positions.add(decodePosition(deviceSession, buf, true)); + } + + return positions; + + } else if (type == MSG_45_LOCATION) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + short status = buf.readUnsignedByte(); + if (BitUtil.check(status, 7)) { + position.set(Position.KEY_ALARM, Position.ALARM_GENERAL); + } + position.set(Position.KEY_BATTERY, BitUtil.to(status, 7)); + + buf.skipBytes(2); // remaining time + + position.set(Position.PREFIX_TEMP + 1, buf.readByte()); + + buf.skipBytes(2); // timer (interval and units) + buf.readByte(); // mode + buf.readByte(); // gprs sending interval + + buf.skipBytes(6); // mcc, mnc, lac, cid + + int valid = buf.readUnsignedByte(); + position.setValid(BitUtil.from(valid, 6) != 0); + position.set(Position.KEY_SATELLITES, BitUtil.from(valid, 6)); + + int time = buf.readUnsignedMedium(); + int date = buf.readUnsignedMedium(); + + DateBuilder dateBuilder = new DateBuilder() + .setTime(time / 10000, time / 100 % 100, time % 100) + .setDateReverse(date / 10000, date / 100 % 100, date % 100); + position.setTime(dateBuilder.getDate()); + + position.setLatitude(convertCoordinate(buf.readUnsignedByte(), buf.readUnsignedMedium())); + position.setLongitude(convertCoordinate(buf.readUnsignedByte(), buf.readUnsignedMedium())); + position.setSpeed(buf.readUnsignedByte()); + position.setCourse(buf.readUnsignedShort()); + + return position; + + } + + return null; + } + +} -- cgit v1.2.3