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Diffstat (limited to 'src/org/traccar/protocol/Mta6ProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/Mta6ProtocolDecoder.java319
1 files changed, 0 insertions, 319 deletions
diff --git a/src/org/traccar/protocol/Mta6ProtocolDecoder.java b/src/org/traccar/protocol/Mta6ProtocolDecoder.java
deleted file mode 100644
index 88419b871..000000000
--- a/src/org/traccar/protocol/Mta6ProtocolDecoder.java
+++ /dev/null
@@ -1,319 +0,0 @@
-/*
- * Copyright 2013 - 2018 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 io.netty.handler.codec.http.DefaultFullHttpResponse;
-import io.netty.handler.codec.http.FullHttpRequest;
-import io.netty.handler.codec.http.FullHttpResponse;
-import io.netty.handler.codec.http.HttpResponseStatus;
-import io.netty.handler.codec.http.HttpVersion;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-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.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 Mta6ProtocolDecoder extends BaseProtocolDecoder {
-
- private static final Logger LOGGER = LoggerFactory.getLogger(Mta6ProtocolDecoder.class);
-
- private final boolean simple;
-
- public Mta6ProtocolDecoder(Protocol protocol, boolean simple) {
- super(protocol);
- this.simple = simple;
- }
-
- private void sendContinue(Channel channel) {
- FullHttpResponse response = new DefaultFullHttpResponse(
- HttpVersion.HTTP_1_1, HttpResponseStatus.CONTINUE);
- channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
- }
-
- private void sendResponse(Channel channel, short packetId, short packetCount) {
- ByteBuf begin = Unpooled.copiedBuffer("#ACK#", StandardCharsets.US_ASCII);
- ByteBuf end = Unpooled.buffer(3);
- end.writeByte(packetId);
- end.writeByte(packetCount);
- end.writeByte(0);
-
- FullHttpResponse response = new DefaultFullHttpResponse(
- HttpVersion.HTTP_1_1, HttpResponseStatus.OK, Unpooled.wrappedBuffer(begin, end));
- channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
- }
-
- private static class FloatReader {
-
- private int previousFloat;
-
- public float readFloat(ByteBuf buf) {
- switch (buf.getUnsignedByte(buf.readerIndex()) >> 6) {
- case 0:
- previousFloat = buf.readInt() << 2;
- break;
- case 1:
- previousFloat = (previousFloat & 0xffffff00) + ((buf.readUnsignedByte() & 0x3f) << 2);
- break;
- case 2:
- previousFloat = (previousFloat & 0xffff0000) + ((buf.readUnsignedShort() & 0x3fff) << 2);
- break;
- case 3:
- previousFloat = (previousFloat & 0xff000000) + ((buf.readUnsignedMedium() & 0x3fffff) << 2);
- break;
- default:
- LOGGER.warn("MTA6 float decoding error", new IllegalArgumentException());
- break;
- }
- return Float.intBitsToFloat(previousFloat);
- }
-
- }
-
- private static class TimeReader extends FloatReader {
-
- private long weekNumber;
-
- public Date readTime(ByteBuf buf) {
- long weekTime = (long) (readFloat(buf) * 1000);
- if (weekNumber == 0) {
- weekNumber = buf.readUnsignedShort();
- }
-
- DateBuilder dateBuilder = new DateBuilder().setDate(1980, 1, 6);
- dateBuilder.addMillis(weekNumber * 7 * 24 * 60 * 60 * 1000 + weekTime);
-
- return dateBuilder.getDate();
- }
-
- }
-
- private List<Position> parseFormatA(DeviceSession deviceSession, ByteBuf buf) {
- List<Position> positions = new LinkedList<>();
-
- FloatReader latitudeReader = new FloatReader();
- FloatReader longitudeReader = new FloatReader();
- TimeReader timeReader = new TimeReader();
-
- try {
- while (buf.isReadable()) {
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
-
- short flags = buf.readUnsignedByte();
-
- short event = buf.readUnsignedByte();
- if (BitUtil.check(event, 7)) {
- if (BitUtil.check(event, 6)) {
- buf.skipBytes(8);
- } else {
- while (BitUtil.check(event, 7)) {
- event = buf.readUnsignedByte();
- }
- }
- }
-
- position.setLatitude(latitudeReader.readFloat(buf) / Math.PI * 180);
- position.setLongitude(longitudeReader.readFloat(buf) / Math.PI * 180);
- position.setTime(timeReader.readTime(buf));
-
- if (BitUtil.check(flags, 0)) {
- buf.readUnsignedByte(); // status
- }
-
- if (BitUtil.check(flags, 1)) {
- position.setAltitude(buf.readUnsignedShort());
- }
-
- if (BitUtil.check(flags, 2)) {
- position.setSpeed(buf.readUnsignedShort() & 0x03ff);
- position.setCourse(buf.readUnsignedByte());
- }
-
- if (BitUtil.check(flags, 3)) {
- position.set(Position.KEY_ODOMETER, buf.readUnsignedShort() * 1000);
- }
-
- if (BitUtil.check(flags, 4)) {
- position.set(Position.KEY_FUEL_CONSUMPTION + "Accumulator1", buf.readUnsignedInt());
- position.set(Position.KEY_FUEL_CONSUMPTION + "Accumulator2", buf.readUnsignedInt());
- position.set("hours1", buf.readUnsignedShort());
- position.set("hours2", buf.readUnsignedShort());
- }
-
- if (BitUtil.check(flags, 5)) {
- position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort() & 0x03ff);
- position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort() & 0x03ff);
- position.set(Position.PREFIX_ADC + 3, buf.readUnsignedShort() & 0x03ff);
- position.set(Position.PREFIX_ADC + 4, buf.readUnsignedShort() & 0x03ff);
- }
-
- if (BitUtil.check(flags, 6)) {
- position.set(Position.PREFIX_TEMP + 1, buf.readByte());
- buf.getUnsignedByte(buf.readerIndex()); // control (>> 4)
- position.set(Position.KEY_INPUT, buf.readUnsignedShort() & 0x0fff);
- buf.readUnsignedShort(); // old sensor state (& 0x0fff)
- }
-
- if (BitUtil.check(flags, 7)) {
- position.set(Position.KEY_BATTERY, buf.getUnsignedByte(buf.readerIndex()) >> 2);
- position.set(Position.KEY_POWER, buf.readUnsignedShort() & 0x03ff);
- position.set(Position.KEY_DEVICE_TEMP, buf.readByte());
-
- position.set(Position.KEY_RSSI, (buf.getUnsignedByte(buf.readerIndex()) >> 4) & 0x07);
-
- int satellites = buf.readUnsignedByte() & 0x0f;
- position.setValid(satellites >= 3);
- position.set(Position.KEY_SATELLITES, satellites);
- }
- positions.add(position);
- }
- } catch (IndexOutOfBoundsException error) {
- LOGGER.warn("MTA6 parsing error", error);
- }
-
- return positions;
- }
-
- private Position parseFormatA1(DeviceSession deviceSession, ByteBuf buf) {
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
-
- short flags = buf.readUnsignedByte();
-
- // Skip events
- short event = buf.readUnsignedByte();
- if (BitUtil.check(event, 7)) {
- if (BitUtil.check(event, 6)) {
- buf.skipBytes(8);
- } else {
- while (BitUtil.check(event, 7)) {
- event = buf.readUnsignedByte();
- }
- }
- }
-
- position.setLatitude(new FloatReader().readFloat(buf) / Math.PI * 180);
- position.setLongitude(new FloatReader().readFloat(buf) / Math.PI * 180);
- position.setTime(new TimeReader().readTime(buf));
-
- position.set(Position.KEY_STATUS, buf.readUnsignedByte());
-
- if (BitUtil.check(flags, 0)) {
- position.setAltitude(buf.readUnsignedShort());
- position.setSpeed(buf.readUnsignedByte());
- position.setCourse(buf.readByte());
- position.set(Position.KEY_ODOMETER, new FloatReader().readFloat(buf));
- }
-
- if (BitUtil.check(flags, 1)) {
- position.set(Position.KEY_FUEL_CONSUMPTION, new FloatReader().readFloat(buf));
- position.set(Position.KEY_HOURS, UnitsConverter.msFromHours(new FloatReader().readFloat(buf)));
- position.set("tank", buf.readUnsignedByte() * 0.4);
- }
-
- if (BitUtil.check(flags, 2)) {
- position.set("engine", buf.readUnsignedShort() * 0.125);
- position.set("pedals", buf.readUnsignedByte());
- position.set(Position.PREFIX_TEMP + 1, buf.readUnsignedByte() - 40);
- position.set(Position.KEY_ODOMETER_SERVICE, buf.readUnsignedShort());
- }
-
- if (BitUtil.check(flags, 3)) {
- position.set(Position.KEY_FUEL_LEVEL, buf.readUnsignedShort());
- position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort());
- position.set(Position.PREFIX_ADC + 3, buf.readUnsignedShort());
- position.set(Position.PREFIX_ADC + 4, buf.readUnsignedShort());
- }
-
- if (BitUtil.check(flags, 4)) {
- position.set(Position.PREFIX_TEMP + 1, buf.readByte());
- buf.getUnsignedByte(buf.readerIndex()); // control (>> 4)
- position.set(Position.KEY_INPUT, buf.readUnsignedShort() & 0x0fff);
- buf.readUnsignedShort(); // old sensor state (& 0x0fff)
- }
-
- if (BitUtil.check(flags, 5)) {
- position.set(Position.KEY_BATTERY, buf.getUnsignedByte(buf.readerIndex()) >> 2);
- position.set(Position.KEY_POWER, buf.readUnsignedShort() & 0x03ff);
- position.set(Position.KEY_DEVICE_TEMP, buf.readByte());
-
- position.set(Position.KEY_RSSI, buf.getUnsignedByte(buf.readerIndex()) >> 5);
-
- int satellites = buf.readUnsignedByte() & 0x1f;
- position.setValid(satellites >= 3);
- position.set(Position.KEY_SATELLITES, satellites);
- }
-
- // other data
-
- return position;
- }
-
- @Override
- protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
-
- FullHttpRequest request = (FullHttpRequest) msg;
- ByteBuf buf = request.content();
-
- buf.skipBytes("id=".length());
- int index = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '&');
- String uniqueId = buf.toString(buf.readerIndex(), index - buf.readerIndex(), StandardCharsets.US_ASCII);
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, uniqueId);
- if (deviceSession == null) {
- return null;
- }
- buf.skipBytes(uniqueId.length());
- buf.skipBytes("&bin=".length());
-
- short packetId = buf.readUnsignedByte();
- short offset = buf.readUnsignedByte(); // dataOffset
- short packetCount = buf.readUnsignedByte();
- buf.readUnsignedByte(); // reserved
- buf.readUnsignedByte(); // timezone
- buf.skipBytes(offset - 5);
-
- if (channel != null) {
- sendContinue(channel);
- sendResponse(channel, packetId, packetCount);
- }
-
- if (packetId == 0x31 || packetId == 0x32 || packetId == 0x36) {
- if (simple) {
- return parseFormatA1(deviceSession, buf);
- } else {
- return parseFormatA(deviceSession, buf);
- }
- } // else if (0x34 0x38 0x4F 0x59)
-
- return null;
- }
-
-}
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