diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/NavisetProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/NavisetProtocolDecoder.java | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/NavisetProtocolDecoder.java b/src/main/java/org/traccar/protocol/NavisetProtocolDecoder.java new file mode 100644 index 000000000..10d71d76c --- /dev/null +++ b/src/main/java/org/traccar/protocol/NavisetProtocolDecoder.java @@ -0,0 +1,249 @@ +/* + * 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.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.UnitsConverter; +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 NavisetProtocolDecoder extends BaseProtocolDecoder { + + public NavisetProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_HEADER = 0b00; + public static final int MSG_DATA = 0b01; + public static final int MSG_RESPONSE = 0b10; + public static final int MSG_RESERVE = 0b11; + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + if (channel != null) { + ByteBuf response = Unpooled.buffer(); + response.writeByte(0x01); + response.writeShortLE(buf.getUnsignedShortLE(buf.writerIndex() - 2)); + channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress())); + } + + int length = buf.readUnsignedShortLE(); + int type = BitUtil.between(length, 14, 16); + buf.readUnsignedShortLE(); // device number + + if (type == MSG_HEADER) { + + getDeviceSession(channel, remoteAddress, buf.readCharSequence(15, StandardCharsets.US_ASCII).toString()); + + } else if (type == MSG_DATA) { + + List<Position> positions = new LinkedList<>(); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); + if (deviceSession == null) { + return null; + } + + int blockMask = buf.readUnsignedByte(); + + while (buf.readableBytes() > 2) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.set(Position.KEY_INDEX, buf.readUnsignedShortLE()); + position.set(Position.KEY_STATUS, buf.readUnsignedByte()); + position.setValid(true); + position.setTime(new Date(buf.readUnsignedIntLE() * 1000)); + position.setLatitude(buf.readUnsignedIntLE() * 0.000001); + position.setLongitude(buf.readUnsignedIntLE() * 0.000001); + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShortLE() * 0.1)); + + if (BitUtil.check(blockMask, 0)) { + int dataMask = buf.readUnsignedByte(); + if (BitUtil.check(dataMask, 0)) { + int satellites = buf.readUnsignedByte(); + position.setValid(BitUtil.check(satellites, 7)); + position.set(Position.KEY_SATELLITES, BitUtil.to(satellites, 7)); + } + if (BitUtil.check(dataMask, 1)) { + position.setCourse(buf.readUnsignedShortLE() * 0.1); + } + if (BitUtil.check(dataMask, 2)) { + position.setAltitude(buf.readShortLE()); + } + if (BitUtil.check(dataMask, 3)) { + position.set(Position.KEY_HDOP, buf.readUnsignedByte() * 0.1); + } + if (BitUtil.check(dataMask, 4)) { + position.set(Position.KEY_POWER, buf.readUnsignedShortLE() * 0.001); + position.set(Position.KEY_BATTERY, buf.readUnsignedShortLE() * 0.001); + } + if (BitUtil.check(dataMask, 5)) { + position.set(Position.KEY_INPUT, buf.readUnsignedByte()); + position.set(Position.KEY_OUTPUT, buf.readUnsignedByte()); + } + if (BitUtil.check(dataMask, 6)) { + position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE()); + } + if (BitUtil.check(dataMask, 7)) { + buf.skipBytes(6); // accelerometer + } + } + + if (BitUtil.check(blockMask, 1)) { + int dataMask = buf.readUnsignedByte(); + for (int i = 0; i < 8; i++) { + if (BitUtil.check(dataMask, i)) { + position.set(Position.PREFIX_ADC + (i + 1), buf.readUnsignedShortLE()); + } + } + } + + if (BitUtil.check(blockMask, 2)) { + int dataMask = buf.readUnsignedByte(); + if (BitUtil.check(dataMask, 0)) { + position.set(Position.KEY_DEVICE_TEMP, (int) buf.readByte()); + } + if (BitUtil.check(dataMask, 1)) { + buf.skipBytes(6); // key code + } + if (BitUtil.check(dataMask, 2)) { + position.set(Position.PREFIX_TEMP + 1, (int) buf.readByte()); + position.set(Position.PREFIX_TEMP + 2, (int) buf.readByte()); + } + if (BitUtil.check(dataMask, 3)) { + position.set(Position.PREFIX_TEMP + 3, (int) buf.readByte()); + position.set(Position.PREFIX_TEMP + 4, (int) buf.readByte()); + } + if (BitUtil.check(dataMask, 4)) { + position.set(Position.PREFIX_TEMP + 5, (int) buf.readByte()); + position.set(Position.PREFIX_TEMP + 6, (int) buf.readByte()); + position.set(Position.PREFIX_TEMP + 7, (int) buf.readByte()); + position.set(Position.PREFIX_TEMP + 8, (int) buf.readByte()); + } + if (BitUtil.check(dataMask, 5)) { + position.set(Position.KEY_HOURS, buf.readUnsignedShortLE() / 60.0); + } + if (BitUtil.check(dataMask, 6)) { + buf.readUnsignedByte(); // extra status + } + if (BitUtil.check(dataMask, 7)) { + buf.readUnsignedByte(); // geofence + } + } + + if (BitUtil.check(blockMask, 3)) { + int dataMask = buf.readUnsignedByte(); + if (BitUtil.check(dataMask, 0)) { + position.set("fuel1", buf.readUnsignedShortLE()); + } + if (BitUtil.check(dataMask, 1)) { + position.set("fuel2", buf.readUnsignedShortLE()); + } + if (BitUtil.check(dataMask, 2)) { + position.set(Position.KEY_FUEL_LEVEL, buf.readUnsignedShortLE()); + } + if (BitUtil.check(dataMask, 3)) { + buf.skipBytes(18); + } + if (BitUtil.check(dataMask, 4)) { + buf.readUnsignedByte(); // fuel 1 temperature + } + if (BitUtil.check(dataMask, 5)) { + buf.readUnsignedByte(); // fuel 2 temperature + } + if (BitUtil.check(dataMask, 6)) { + buf.readUnsignedShortLE(); // fuel 1 frequency + } + if (BitUtil.check(dataMask, 7)) { + buf.readUnsignedShortLE(); // fuel 2 frequency + } + } + + if (BitUtil.check(blockMask, 4)) { + int dataMask = buf.readUnsignedByte(); + if (BitUtil.check(dataMask, 0)) { + buf.readUnsignedByte(); // fuel level (percentage) + position.set(Position.KEY_RPM, buf.readUnsignedShortLE()); + position.set(Position.KEY_COOLANT_TEMP, (int) buf.readByte()); + } + if (BitUtil.check(dataMask, 1)) { + buf.readUnsignedIntLE(); // fuel consumption + } + if (BitUtil.check(dataMask, 2)) { + position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE()); + } + for (int i = 3; i < 8; i++) { + if (BitUtil.check(dataMask, i)) { + buf.readUnsignedShortLE(); // axle weight + } + } + } + + if (BitUtil.check(blockMask, 4)) { + int dataMask = buf.readUnsignedByte(); + if (BitUtil.check(dataMask, 0)) { + buf.readUnsignedByte(); // speed + } + if (BitUtil.check(dataMask, 1)) { + buf.readUnsignedMediumLE(); // prefix S + } + if (BitUtil.check(dataMask, 2)) { + buf.readUnsignedIntLE(); // prefix P + } + if (BitUtil.check(dataMask, 3)) { + buf.readUnsignedIntLE(); // prefix A or B + } + if (BitUtil.check(dataMask, 4)) { + buf.readUnsignedShortLE(); // prefix R + } + if (BitUtil.check(dataMask, 5)) { + buf.skipBytes(26); + } + if (BitUtil.check(dataMask, 6)) { + buf.readUnsignedIntLE(); // reserved + } + if (BitUtil.check(dataMask, 7)) { + buf.readUnsignedIntLE(); // reserved + } + } + + positions.add(position); + } + + return positions; + } + + return null; + } + +} |