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Diffstat (limited to 'src/org/traccar/protocol/EgtsProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/EgtsProtocolDecoder.java265
1 files changed, 0 insertions, 265 deletions
diff --git a/src/org/traccar/protocol/EgtsProtocolDecoder.java b/src/org/traccar/protocol/EgtsProtocolDecoder.java
deleted file mode 100644
index b9fcb2f44..000000000
--- a/src/org/traccar/protocol/EgtsProtocolDecoder.java
+++ /dev/null
@@ -1,265 +0,0 @@
-/*
- * Copyright 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.Checksum;
-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 EgtsProtocolDecoder extends BaseProtocolDecoder {
-
- public EgtsProtocolDecoder(Protocol protocol) {
- super(protocol);
- }
-
- public static final int PT_RESPONSE = 0;
- public static final int PT_APPDATA = 1;
- public static final int PT_SIGNED_APPDATA = 2;
-
- public static final int SERVICE_AUTH = 1;
- public static final int SERVICE_TELEDATA = 2;
- public static final int SERVICE_COMMANDS = 4;
- public static final int SERVICE_FIRMWARE = 9;
- public static final int SERVICE_ECALL = 10;
-
- public static final int MSG_RECORD_RESPONSE = 0;
- public static final int MSG_TERM_IDENTITY = 1;
- public static final int MSG_MODULE_DATA = 2;
- public static final int MSG_VEHICLE_DATA = 3;
- public static final int MSG_AUTH_PARAMS = 4;
- public static final int MSG_AUTH_INFO = 5;
- public static final int MSG_SERVICE_INFO = 6;
- public static final int MSG_RESULT_CODE = 7;
- public static final int MSG_POS_DATA = 16;
- public static final int MSG_EXT_POS_DATA = 17;
- public static final int MSG_AD_SENSORS_DATA = 18;
- public static final int MSG_COUNTERS_DATA = 19;
- public static final int MSG_STATE_DATA = 20;
- public static final int MSG_LOOPIN_DATA = 22;
- public static final int MSG_ABS_DIG_SENS_DATA = 23;
- public static final int MSG_ABS_AN_SENS_DATA = 24;
- public static final int MSG_ABS_CNTR_DATA = 25;
- public static final int MSG_ABS_LOOPIN_DATA = 26;
- public static final int MSG_LIQUID_LEVEL_SENSOR = 27;
- public static final int MSG_PASSENGERS_COUNTERS = 28;
-
- private int packetId;
-
- private void sendResponse(
- Channel channel, int packetType, int index, int serviceType, int type, ByteBuf content) {
- if (channel != null) {
-
- ByteBuf data = Unpooled.buffer();
- data.writeByte(type);
- data.writeShortLE(content.readableBytes());
- data.writeBytes(content);
- content.release();
-
- ByteBuf record = Unpooled.buffer();
- if (packetType == PT_RESPONSE) {
- record.writeShortLE(index);
- record.writeByte(0); // success
- }
- record.writeShortLE(data.readableBytes());
- record.writeShortLE(0);
- record.writeByte(0); // flags (possibly 1 << 6)
- record.writeByte(serviceType);
- record.writeByte(serviceType);
- record.writeBytes(data);
- data.release();
- int recordChecksum = Checksum.crc16(Checksum.CRC16_CCITT_FALSE, record.nioBuffer());
-
- ByteBuf response = Unpooled.buffer();
- response.writeByte(1); // protocol version
- response.writeByte(0); // security key id
- response.writeByte(0); // flags
- response.writeByte(5 + 2 + 2 + 2); // header length
- response.writeByte(0); // encoding
- response.writeShortLE(record.readableBytes());
- response.writeShortLE(packetId++);
- response.writeByte(packetType);
- response.writeByte(Checksum.crc8(Checksum.CRC8_EGTS, response.nioBuffer()));
- response.writeBytes(record);
- record.release();
- response.writeShortLE(recordChecksum);
-
- channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
-
- }
- }
-
- @Override
- protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
-
- ByteBuf buf = (ByteBuf) msg;
-
- int index = buf.getUnsignedShort(buf.readerIndex() + 5 + 2);
- buf.skipBytes(buf.getUnsignedByte(buf.readerIndex() + 3));
-
- List<Position> positions = new LinkedList<>();
-
- while (buf.readableBytes() > 2) {
-
- int length = buf.readUnsignedShortLE();
- int recordIndex = buf.readUnsignedShortLE();
- int recordFlags = buf.readUnsignedByte();
-
- if (BitUtil.check(recordFlags, 0)) {
- buf.readUnsignedIntLE(); // object id
- }
-
- if (BitUtil.check(recordFlags, 1)) {
- buf.readUnsignedIntLE(); // event id
- }
- if (BitUtil.check(recordFlags, 2)) {
- buf.readUnsignedIntLE(); // time
- }
-
- int serviceType = buf.readUnsignedByte();
- buf.readUnsignedByte(); // recipient service type
-
- int recordEnd = buf.readerIndex() + length;
-
- Position position = new Position(getProtocolName());
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
- if (deviceSession != null) {
- position.setDeviceId(deviceSession.getDeviceId());
- }
-
- ByteBuf response = Unpooled.buffer();
- response.writeShortLE(recordIndex);
- response.writeByte(0); // success
- sendResponse(channel, PT_RESPONSE, index, serviceType, MSG_RECORD_RESPONSE, response);
-
- while (buf.readerIndex() < recordEnd) {
- int type = buf.readUnsignedByte();
- int end = buf.readUnsignedShortLE() + buf.readerIndex();
-
- if (type == MSG_TERM_IDENTITY) {
-
- buf.readUnsignedIntLE(); // object id
- int flags = buf.readUnsignedByte();
-
- if (BitUtil.check(flags, 0)) {
- buf.readUnsignedShortLE(); // home dispatcher identifier
- }
- if (BitUtil.check(flags, 1)) {
- getDeviceSession(
- channel, remoteAddress, buf.readSlice(15).toString(StandardCharsets.US_ASCII).trim());
- }
- if (BitUtil.check(flags, 2)) {
- getDeviceSession(
- channel, remoteAddress, buf.readSlice(16).toString(StandardCharsets.US_ASCII).trim());
- }
- if (BitUtil.check(flags, 3)) {
- buf.skipBytes(3); // language identifier
- }
- if (BitUtil.check(flags, 5)) {
- buf.skipBytes(3); // network identifier
- }
- if (BitUtil.check(flags, 6)) {
- buf.readUnsignedShortLE(); // buffer size
- }
- if (BitUtil.check(flags, 7)) {
- getDeviceSession(
- channel, remoteAddress, buf.readSlice(15).toString(StandardCharsets.US_ASCII).trim());
- }
-
- response = Unpooled.buffer();
- response.writeByte(0); // success
- sendResponse(channel, PT_APPDATA, 0, serviceType, MSG_RESULT_CODE, response);
-
- } else if (type == MSG_POS_DATA) {
-
- position.setTime(new Date((buf.readUnsignedIntLE() + 1262304000) * 1000)); // since 2010-01-01
- position.setLatitude(buf.readUnsignedIntLE() * 90.0 / 0xFFFFFFFFL);
- position.setLongitude(buf.readUnsignedIntLE() * 180.0 / 0xFFFFFFFFL);
-
- int flags = buf.readUnsignedByte();
- position.setValid(BitUtil.check(flags, 0));
- if (BitUtil.check(flags, 5)) {
- position.setLatitude(-position.getLatitude());
- }
- if (BitUtil.check(flags, 6)) {
- position.setLongitude(-position.getLongitude());
- }
-
- int speed = buf.readUnsignedShortLE();
- position.setSpeed(UnitsConverter.knotsFromKph(BitUtil.to(speed, 14) * 0.1));
- position.setCourse(buf.readUnsignedByte() + (BitUtil.check(speed, 15) ? 0x100 : 0));
-
- position.set(Position.KEY_ODOMETER, buf.readUnsignedMediumLE() * 100);
- position.set(Position.KEY_INPUT, buf.readUnsignedByte());
- position.set(Position.KEY_EVENT, buf.readUnsignedByte());
-
- if (BitUtil.check(flags, 7)) {
- position.setAltitude(buf.readMediumLE());
- }
-
- } else if (type == MSG_EXT_POS_DATA) {
-
- int flags = buf.readUnsignedByte();
-
- if (BitUtil.check(flags, 0)) {
- position.set(Position.KEY_VDOP, buf.readUnsignedShortLE());
- }
- if (BitUtil.check(flags, 1)) {
- position.set(Position.KEY_HDOP, buf.readUnsignedShortLE());
- }
- if (BitUtil.check(flags, 2)) {
- position.set(Position.KEY_PDOP, buf.readUnsignedShortLE());
- }
- if (BitUtil.check(flags, 3)) {
- position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
- }
-
- } else if (type == MSG_AD_SENSORS_DATA) {
-
- buf.readUnsignedByte(); // inputs flags
-
- position.set(Position.KEY_OUTPUT, buf.readUnsignedByte());
-
- buf.readUnsignedByte(); // adc flags
-
- }
-
- buf.readerIndex(end);
- }
-
- if (serviceType == SERVICE_TELEDATA && deviceSession != null) {
- positions.add(position);
- }
- }
-
- return positions.isEmpty() ? null : positions;
- }
-
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-19 04:48:06 +0000