diff options
Diffstat (limited to 'src/org/traccar/protocol/MxtProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/MxtProtocolDecoder.java | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/src/org/traccar/protocol/MxtProtocolDecoder.java b/src/org/traccar/protocol/MxtProtocolDecoder.java deleted file mode 100644 index 6d82e4a4b..000000000 --- a/src/org/traccar/protocol/MxtProtocolDecoder.java +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright 2015 - 2017 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 org.jboss.netty.buffer.ChannelBuffer; -import org.jboss.netty.buffer.ChannelBuffers; -import org.jboss.netty.channel.Channel; -import org.traccar.BaseProtocolDecoder; -import org.traccar.DeviceSession; -import org.traccar.helper.BitUtil; -import org.traccar.helper.Checksum; -import org.traccar.helper.DateBuilder; -import org.traccar.helper.UnitsConverter; -import org.traccar.model.Position; - -import java.net.SocketAddress; -import java.nio.ByteOrder; - -public class MxtProtocolDecoder extends BaseProtocolDecoder { - - public MxtProtocolDecoder(MxtProtocol protocol) { - super(protocol); - } - - public static final int MSG_ACK = 0x02; - public static final int MSG_NACK = 0x03; - public static final int MSG_POSITION = 0x31; - - private static void sendResponse(Channel channel, int device, long id, int crc) { - if (channel != null) { - ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0); - response.writeByte(device); - response.writeByte(MSG_ACK); - response.writeInt((int) id); - response.writeShort(crc); - response.writeShort(Checksum.crc16( - Checksum.CRC16_XMODEM, response.toByteBuffer())); - - ChannelBuffer encoded = ChannelBuffers.dynamicBuffer(); - encoded.writeByte(0x01); // header - while (response.readable()) { - int b = response.readByte(); - if (b == 0x01 || b == 0x04 || b == 0x10 || b == 0x11 || b == 0x13) { - encoded.writeByte(0x10); - b += 0x20; - } - encoded.writeByte(b); - } - encoded.writeByte(0x04); // ending - channel.write(encoded); - } - } - - @Override - protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - - ChannelBuffer buf = (ChannelBuffer) msg; - - buf.readUnsignedByte(); // start - int device = buf.readUnsignedByte(); // device descriptor - int type = buf.readUnsignedByte(); - - long id = buf.readUnsignedInt(); - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(id)); - if (deviceSession == null) { - return null; - } - - if (type == MSG_POSITION) { - - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - buf.readUnsignedByte(); // protocol - int infoGroups = buf.readUnsignedByte(); - - position.set(Position.KEY_INDEX, buf.readUnsignedShort()); - - DateBuilder dateBuilder = new DateBuilder().setDate(2000, 1, 1); - - long date = buf.readUnsignedInt(); - - long days = BitUtil.from(date, 6 + 6 + 5); - long hours = BitUtil.between(date, 6 + 6, 6 + 6 + 5); - long minutes = BitUtil.between(date, 6, 6 + 6); - long seconds = BitUtil.to(date, 6); - - dateBuilder.addMillis((((days * 24 + hours) * 60 + minutes) * 60 + seconds) * 1000); - - position.setTime(dateBuilder.getDate()); - - position.setValid(true); - position.setLatitude(buf.readInt() / 1000000.0); - position.setLongitude(buf.readInt() / 1000000.0); - - long flags = buf.readUnsignedInt(); - position.set(Position.KEY_IGNITION, BitUtil.check(flags, 0)); - if (BitUtil.check(flags, 1)) { - position.set(Position.KEY_ALARM, Position.ALARM_GENERAL); - } - position.set(Position.KEY_INPUT, BitUtil.between(flags, 2, 7)); - position.set(Position.KEY_OUTPUT, BitUtil.between(flags, 7, 10)); - position.setCourse(BitUtil.between(flags, 10, 13) * 45); - //position.setValid(BitUtil.check(flags, 15)); - position.set(Position.KEY_CHARGE, BitUtil.check(flags, 20)); - - position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte())); - - buf.readUnsignedByte(); // input mask - - if (BitUtil.check(infoGroups, 0)) { - buf.skipBytes(8); // waypoints - } - - if (BitUtil.check(infoGroups, 1)) { - buf.skipBytes(8); // wireless accessory - } - - if (BitUtil.check(infoGroups, 2)) { - position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); - position.set(Position.KEY_HDOP, buf.readUnsignedByte()); - position.setAccuracy(buf.readUnsignedByte()); - position.set(Position.KEY_RSSI, buf.readUnsignedByte()); - buf.readUnsignedShort(); // time since boot - position.set(Position.KEY_POWER, buf.readUnsignedByte()); - position.set(Position.PREFIX_TEMP + 1, buf.readByte()); - } - - if (BitUtil.check(infoGroups, 3)) { - position.set(Position.KEY_ODOMETER, buf.readUnsignedInt()); - } - - if (BitUtil.check(infoGroups, 4)) { - position.set(Position.KEY_HOURS, buf.readUnsignedInt()); - } - - if (BitUtil.check(infoGroups, 5)) { - buf.readUnsignedInt(); // reason - } - - if (BitUtil.check(infoGroups, 6)) { - position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.001); - position.set(Position.KEY_BATTERY, buf.readUnsignedShort()); - } - - if (BitUtil.check(infoGroups, 7)) { - position.set(Position.KEY_DRIVER_UNIQUE_ID, String.valueOf(buf.readUnsignedInt())); - } - - buf.readerIndex(buf.writerIndex() - 3); - sendResponse(channel, device, id, buf.readUnsignedShort()); - - return position; - } - - return null; - } - -} |