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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/protocol/ApelProtocolDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/protocol/ApelProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/ApelProtocolDecoder.java210
1 files changed, 210 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/ApelProtocolDecoder.java b/src/main/java/org/traccar/protocol/ApelProtocolDecoder.java
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+++ b/src/main/java/org/traccar/protocol/ApelProtocolDecoder.java
@@ -0,0 +1,210 @@
+/*
+ * 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 org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+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 ApelProtocolDecoder extends BaseProtocolDecoder {
+
+ private long lastIndex;
+ private long newIndex;
+
+ public ApelProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ public static final short MSG_NULL = 0;
+ public static final short MSG_REQUEST_TRACKER_ID = 10;
+ public static final short MSG_TRACKER_ID = 11;
+ public static final short MSG_TRACKER_ID_EXT = 12;
+ public static final short MSG_DISCONNECT = 20;
+ public static final short MSG_REQUEST_PASSWORD = 30;
+ public static final short MSG_PASSWORD = 31;
+ public static final short MSG_REQUEST_STATE_FULL_INFO = 90;
+ public static final short MSG_STATE_FULL_INFO_T104 = 92;
+ public static final short MSG_REQUEST_CURRENT_GPS_DATA = 100;
+ public static final short MSG_CURRENT_GPS_DATA = 101;
+ public static final short MSG_REQUEST_SENSORS_STATE = 110;
+ public static final short MSG_SENSORS_STATE = 111;
+ public static final short MSG_SENSORS_STATE_T100 = 112;
+ public static final short MSG_SENSORS_STATE_T100_4 = 113;
+ public static final short MSG_REQUEST_LAST_LOG_INDEX = 120;
+ public static final short MSG_LAST_LOG_INDEX = 121;
+ public static final short MSG_REQUEST_LOG_RECORDS = 130;
+ public static final short MSG_LOG_RECORDS = 131;
+ public static final short MSG_EVENT = 141;
+ public static final short MSG_TEXT = 150;
+ public static final short MSG_ACK_ALARM = 160;
+ public static final short MSG_SET_TRACKER_MODE = 170;
+ public static final short MSG_GPRS_COMMAND = 180;
+
+ private void sendSimpleMessage(Channel channel, short type) {
+ ByteBuf request = Unpooled.buffer(8);
+ request.writeShortLE(type);
+ request.writeShortLE(0);
+ request.writeIntLE(Checksum.crc32(request.nioBuffer(0, 4)));
+ channel.writeAndFlush(new NetworkMessage(request, channel.remoteAddress()));
+ }
+
+ private void requestArchive(Channel channel) {
+ if (lastIndex == 0) {
+ lastIndex = newIndex;
+ } else if (newIndex > lastIndex) {
+ ByteBuf request = Unpooled.buffer(14);
+ request.writeShortLE(MSG_REQUEST_LOG_RECORDS);
+ request.writeShortLE(6);
+ request.writeIntLE((int) lastIndex);
+ request.writeShortLE(512);
+ request.writeIntLE(Checksum.crc32(request.nioBuffer(0, 10)));
+ channel.writeAndFlush(new NetworkMessage(request, channel.remoteAddress()));
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+ int type = buf.readUnsignedShortLE();
+ boolean alarm = (type & 0x8000) != 0;
+ type = type & 0x7FFF;
+ buf.readUnsignedShortLE(); // length
+
+ if (alarm) {
+ sendSimpleMessage(channel, MSG_ACK_ALARM);
+ }
+
+ if (type == MSG_TRACKER_ID) {
+ return null; // unsupported authentication type
+ }
+
+ if (type == MSG_TRACKER_ID_EXT) {
+
+ buf.readUnsignedIntLE(); // id
+ int length = buf.readUnsignedShortLE();
+ buf.skipBytes(length);
+ length = buf.readUnsignedShortLE();
+ getDeviceSession(channel, remoteAddress, buf.readSlice(length).toString(StandardCharsets.US_ASCII));
+
+ } else if (type == MSG_LAST_LOG_INDEX) {
+
+ long index = buf.readUnsignedIntLE();
+ if (index > 0) {
+ newIndex = index;
+ requestArchive(channel);
+ }
+
+ } else if (type == MSG_CURRENT_GPS_DATA || type == MSG_STATE_FULL_INFO_T104 || type == MSG_LOG_RECORDS) {
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ List<Position> positions = new LinkedList<>();
+
+ int recordCount = 1;
+ if (type == MSG_LOG_RECORDS) {
+ recordCount = buf.readUnsignedShortLE();
+ }
+
+ for (int j = 0; j < recordCount; j++) {
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ int subtype = type;
+ if (type == MSG_LOG_RECORDS) {
+ position.set(Position.KEY_ARCHIVE, true);
+ lastIndex = buf.readUnsignedIntLE() + 1;
+ position.set(Position.KEY_INDEX, lastIndex);
+
+ subtype = buf.readUnsignedShortLE();
+ if (subtype != MSG_CURRENT_GPS_DATA && subtype != MSG_STATE_FULL_INFO_T104) {
+ buf.skipBytes(buf.readUnsignedShortLE());
+ continue;
+ }
+ buf.readUnsignedShortLE(); // length
+ }
+
+ position.setTime(new Date(buf.readUnsignedIntLE() * 1000));
+ position.setLatitude(buf.readIntLE() * 180.0 / 0x7FFFFFFF);
+ position.setLongitude(buf.readIntLE() * 180.0 / 0x7FFFFFFF);
+
+ if (subtype == MSG_STATE_FULL_INFO_T104) {
+ int speed = buf.readUnsignedByte();
+ position.setValid(speed != 255);
+ position.setSpeed(UnitsConverter.knotsFromKph(speed));
+ position.set(Position.KEY_HDOP, buf.readByte());
+ } else {
+ int speed = buf.readShortLE();
+ position.setValid(speed != -1);
+ position.setSpeed(UnitsConverter.knotsFromKph(speed * 0.01));
+ }
+
+ position.setCourse(buf.readShortLE() * 0.01);
+ position.setAltitude(buf.readShortLE());
+
+ if (subtype == MSG_STATE_FULL_INFO_T104) {
+
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+ position.set(Position.KEY_RSSI, buf.readUnsignedByte());
+ position.set(Position.KEY_EVENT, buf.readUnsignedShortLE());
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE());
+ position.set(Position.KEY_INPUT, buf.readUnsignedByte());
+ position.set(Position.KEY_OUTPUT, buf.readUnsignedByte());
+
+ for (int i = 1; i <= 8; i++) {
+ position.set(Position.PREFIX_ADC + i, buf.readUnsignedShortLE());
+ }
+
+ position.set(Position.PREFIX_COUNT + 1, buf.readUnsignedIntLE());
+ position.set(Position.PREFIX_COUNT + 2, buf.readUnsignedIntLE());
+ position.set(Position.PREFIX_COUNT + 3, buf.readUnsignedIntLE());
+ }
+
+ positions.add(position);
+ }
+
+ buf.readUnsignedIntLE(); // crc
+
+ if (type == MSG_LOG_RECORDS) {
+ requestArchive(channel);
+ } else {
+ sendSimpleMessage(channel, MSG_REQUEST_LAST_LOG_INDEX);
+ }
+
+ return positions;
+ }
+
+ return null;
+ }
+
+}