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Diffstat (limited to 'src/org/traccar/protocol/DmtProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/DmtProtocolDecoder.java289
1 files changed, 0 insertions, 289 deletions
diff --git a/src/org/traccar/protocol/DmtProtocolDecoder.java b/src/org/traccar/protocol/DmtProtocolDecoder.java
deleted file mode 100644
index c04e90f1d..000000000
--- a/src/org/traccar/protocol/DmtProtocolDecoder.java
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- * Copyright 2017 - 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 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 DmtProtocolDecoder extends BaseProtocolDecoder {
-
- public DmtProtocolDecoder(Protocol protocol) {
- super(protocol);
- }
-
- public static final int MSG_HELLO = 0x00;
- public static final int MSG_HELLO_RESPONSE = 0x01;
- public static final int MSG_DATA_RECORD = 0x04;
- public static final int MSG_COMMIT = 0x05;
- public static final int MSG_COMMIT_RESPONSE = 0x06;
- public static final int MSG_DATA_RECORD_64 = 0x10;
-
- public static final int MSG_CANNED_REQUEST_1 = 0x14;
- public static final int MSG_CANNED_RESPONSE_1 = 0x15;
- public static final int MSG_CANNED_REQUEST_2 = 0x22;
- public static final int MSG_CANNED_RESPONSE_2 = 0x23;
-
- private void sendResponse(Channel channel, int type, ByteBuf content) {
- if (channel != null) {
- ByteBuf response = Unpooled.buffer();
- response.writeByte(0x02); response.writeByte(0x55); // header
- response.writeByte(type);
- response.writeShortLE(content != null ? content.readableBytes() : 0);
- if (content != null) {
- response.writeBytes(content);
- content.release();
- }
- channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
- }
- }
-
- private List<Position> decodeFixed64(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
-
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
- if (deviceSession == null) {
- return null;
- }
-
- List<Position> positions = new LinkedList<>();
-
- while (buf.readableBytes() >= 64) {
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
-
- buf.readByte(); // type
-
- position.set(Position.KEY_INDEX, buf.readUnsignedIntLE());
-
- long time = buf.readUnsignedIntLE();
- position.setTime(new DateBuilder()
- .setYear((int) (2000 + (time & 0x3F)))
- .setMonth((int) (time >> 6) & 0xF)
- .setDay((int) (time >> 10) & 0x1F)
- .setHour((int) (time >> 15) & 0x1F)
- .setMinute((int) (time >> 20) & 0x3F)
- .setSecond((int) (time >> 26) & 0x3F)
- .getDate());
-
- position.setLongitude(buf.readIntLE() * 0.0000001);
- position.setLatitude(buf.readIntLE() * 0.0000001);
- position.setSpeed(UnitsConverter.knotsFromCps(buf.readUnsignedShortLE()));
- position.setCourse(buf.readUnsignedByte() * 2);
- position.setAltitude(buf.readShortLE());
-
- buf.readUnsignedShortLE(); // position accuracy
- buf.readUnsignedByte(); // speed accuracy
-
- position.set(Position.KEY_EVENT, buf.readUnsignedByte());
-
- position.setValid(BitUtil.check(buf.readByte(), 0));
-
- position.set(Position.KEY_INPUT, buf.readUnsignedIntLE());
- position.set(Position.KEY_OUTPUT, buf.readUnsignedShortLE());
-
- for (int i = 1; i <= 5; i++) {
- position.set(Position.PREFIX_ADC + i, buf.readShortLE());
- }
-
- position.set(Position.KEY_DEVICE_TEMP, buf.readByte());
-
- buf.readShortLE(); // accelerometer x
- buf.readShortLE(); // accelerometer y
- buf.readShortLE(); // accelerometer z
-
- buf.skipBytes(8); // device id
-
- position.set(Position.KEY_PDOP, buf.readUnsignedShortLE() * 0.01);
-
- buf.skipBytes(2); // reserved
-
- buf.readUnsignedShortLE(); // checksum
-
- positions.add(position);
- }
-
- return positions;
- }
-
- private List<Position> decodeStandard(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
-
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
- if (deviceSession == null) {
- return null;
- }
-
- List<Position> positions = new LinkedList<>();
-
- while (buf.isReadable()) {
- int recordEnd = buf.readerIndex() + buf.readUnsignedShortLE();
-
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
-
- position.set(Position.KEY_INDEX, buf.readUnsignedIntLE());
-
- position.setDeviceTime(new Date(1356998400000L + buf.readUnsignedIntLE() * 1000)); // since 1 Jan 2013
-
- position.set(Position.KEY_EVENT, buf.readUnsignedByte());
-
- while (buf.readerIndex() < recordEnd) {
-
- int fieldId = buf.readUnsignedByte();
- int fieldLength = buf.readUnsignedByte();
- int fieldEnd = buf.readerIndex() + (fieldLength == 255 ? buf.readUnsignedShortLE() : fieldLength);
-
- if (fieldId == 0) {
-
- position.setFixTime(new Date(1356998400000L + buf.readUnsignedIntLE() * 1000));
- position.setLatitude(buf.readIntLE() * 0.0000001);
- position.setLongitude(buf.readIntLE() * 0.0000001);
- position.setAltitude(buf.readShortLE());
- position.setSpeed(UnitsConverter.knotsFromCps(buf.readUnsignedShortLE()));
-
- buf.readUnsignedByte(); // speed accuracy
-
- position.setCourse(buf.readUnsignedByte() * 2);
-
- position.set(Position.KEY_PDOP, buf.readUnsignedByte() * 0.1);
-
- position.setAccuracy(buf.readUnsignedByte());
- position.setValid(buf.readUnsignedByte() != 0);
-
- } else if (fieldId == 2) {
-
- int input = buf.readIntLE();
- int output = buf.readUnsignedShortLE();
- int status = buf.readUnsignedShortLE();
-
- position.set(Position.KEY_IGNITION, BitUtil.check(input, 0));
-
- position.set(Position.KEY_INPUT, input);
- position.set(Position.KEY_OUTPUT, output);
- position.set(Position.KEY_STATUS, status);
-
- } else if (fieldId == 6) {
-
- while (buf.readerIndex() < fieldEnd) {
- switch (buf.readUnsignedByte()) {
- case 1:
- position.set(Position.KEY_BATTERY, buf.readUnsignedShortLE() * 0.001);
- break;
- case 2:
- position.set(Position.KEY_POWER, buf.readUnsignedShortLE() * 0.01);
- break;
- case 3:
- position.set(Position.KEY_DEVICE_TEMP, buf.readShortLE() * 0.01);
- break;
- case 4:
- position.set(Position.KEY_RSSI, buf.readUnsignedShortLE());
- break;
- case 5:
- position.set("solarPower", buf.readUnsignedShortLE() * 0.001);
- break;
- default:
- break;
- }
- }
-
- }
-
- buf.readerIndex(fieldEnd);
-
- }
-
- if (position.getFixTime() == null) {
- getLastLocation(position, position.getDeviceTime());
- }
-
- positions.add(position);
- }
-
- return positions;
- }
-
- @Override
- protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
-
- ByteBuf buf = (ByteBuf) msg;
-
- buf.skipBytes(2); // header
-
- int type = buf.readUnsignedByte();
- int length = buf.readUnsignedShortLE();
-
- if (type == MSG_HELLO) {
-
- buf.readUnsignedIntLE(); // device serial number
-
- DeviceSession deviceSession = getDeviceSession(
- channel, remoteAddress, buf.readSlice(15).toString(StandardCharsets.US_ASCII));
-
- ByteBuf response = Unpooled.buffer();
- if (length == 51) {
- response.writeByte(0); // reserved
- response.writeIntLE(0); // reserved
- } else {
- response.writeIntLE((int) ((System.currentTimeMillis() - 1356998400000L) / 1000));
- response.writeIntLE(deviceSession != null ? 0 : 1); // flags
- }
-
- sendResponse(channel, MSG_HELLO_RESPONSE, response);
-
- } else if (type == MSG_COMMIT) {
-
- ByteBuf response = Unpooled.buffer(0);
- response.writeByte(1); // flags (success)
- sendResponse(channel, MSG_COMMIT_RESPONSE, response);
-
- } else if (type == MSG_CANNED_REQUEST_1) {
-
- ByteBuf response = Unpooled.buffer(0);
- response.writeBytes(new byte[12]);
- sendResponse(channel, MSG_CANNED_RESPONSE_1, response);
-
- } else if (type == MSG_CANNED_REQUEST_2) {
-
- sendResponse(channel, MSG_CANNED_RESPONSE_2, null);
-
- } else if (type == MSG_DATA_RECORD_64) {
-
- return decodeFixed64(channel, remoteAddress, buf);
-
- } else if (type == MSG_DATA_RECORD) {
-
- return decodeStandard(channel, remoteAddress, buf);
-
- }
-
- return null;
- }
-
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 05:37:48 +0000