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author | Anton Tananaev <anton.tananaev@gmail.com> | 2019-03-31 22:35:39 -0700 |
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committer | Anton Tananaev <anton.tananaev@gmail.com> | 2019-03-31 22:35:39 -0700 |
commit | 59416923dcb3a756eaf532cc4259f2f6625c0762 (patch) | |
tree | 9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/org/traccar/protocol/Avl301ProtocolDecoder.java | |
parent | 79a129dd6327d932133d6b9a50190d3f4927bff9 (diff) | |
download | traccar-server-59416923dcb3a756eaf532cc4259f2f6625c0762.tar.gz traccar-server-59416923dcb3a756eaf532cc4259f2f6625c0762.tar.bz2 traccar-server-59416923dcb3a756eaf532cc4259f2f6625c0762.zip |
Convert project to gradle
Diffstat (limited to 'src/org/traccar/protocol/Avl301ProtocolDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/Avl301ProtocolDecoder.java | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/src/org/traccar/protocol/Avl301ProtocolDecoder.java b/src/org/traccar/protocol/Avl301ProtocolDecoder.java deleted file mode 100644 index f6b7db2d6..000000000 --- a/src/org/traccar/protocol/Avl301ProtocolDecoder.java +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Copyright 2015 - 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.DateBuilder; -import org.traccar.model.CellTower; -import org.traccar.model.Network; -import org.traccar.model.Position; - -import java.net.SocketAddress; - -public class Avl301ProtocolDecoder extends BaseProtocolDecoder { - - public Avl301ProtocolDecoder(Protocol protocol) { - super(protocol); - } - - private String readImei(ByteBuf buf) { - int b = buf.readUnsignedByte(); - StringBuilder imei = new StringBuilder(); - imei.append(b & 0x0F); - for (int i = 0; i < 7; i++) { - b = buf.readUnsignedByte(); - imei.append((b & 0xF0) >> 4); - imei.append(b & 0x0F); - } - return imei.toString(); - } - - public static final int MSG_LOGIN = 'L'; - public static final int MSG_STATUS = 'H'; - public static final int MSG_GPS_LBS_STATUS = '$'; - - private void sendResponse(Channel channel, int type) { - if (channel != null) { - ByteBuf response = Unpooled.buffer(5); - response.writeByte('$'); - response.writeByte(type); - response.writeByte('#'); - response.writeByte('\r'); response.writeByte('\n'); - channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress())); - } - } - - @Override - protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - - ByteBuf buf = (ByteBuf) msg; - - buf.skipBytes(1); // header - int type = buf.readUnsignedByte(); - buf.readUnsignedByte(); // length - - if (type == MSG_LOGIN) { - - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, readImei(buf)); - if (deviceSession == null) { - sendResponse(channel, type); - } - - } else if (type == MSG_STATUS) { - - sendResponse(channel, type); - - } else if (type == MSG_GPS_LBS_STATUS) { - - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); - if (deviceSession == null) { - return null; - } - - Position position = new Position(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - DateBuilder dateBuilder = new DateBuilder() - .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()) - .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()); - position.setTime(dateBuilder.getDate()); - - int gpsLength = buf.readUnsignedByte(); // gps len and sat - position.set(Position.KEY_SATELLITES, gpsLength & 0xf); - - position.set(Position.KEY_SATELLITES_VISIBLE, buf.readUnsignedByte()); // satellites - - double latitude = buf.readUnsignedInt() / 600000.0; - double longitude = buf.readUnsignedInt() / 600000.0; - position.setSpeed(buf.readUnsignedByte()); - - int union = buf.readUnsignedShort(); // course and flags - position.setCourse(union & 0x03FF); - position.setValid((union & 0x1000) != 0); - if ((union & 0x0400) != 0) { - latitude = -latitude; - } - if ((union & 0x0800) != 0) { - longitude = -longitude; - } - - position.setLatitude(latitude); - position.setLongitude(longitude); - - if ((union & 0x4000) != 0) { - position.set("acc", (union & 0x8000) != 0); - } - - position.setNetwork(new Network( - CellTower.fromLacCid(buf.readUnsignedShort(), buf.readUnsignedMedium()))); - - position.set(Position.KEY_ALARM, Position.ALARM_GENERAL); - int flags = buf.readUnsignedByte(); - position.set("acc", (flags & 0x2) != 0); - - // parse other flags - - position.set(Position.KEY_POWER, buf.readUnsignedByte()); - position.set(Position.KEY_RSSI, buf.readUnsignedByte()); - - return position; - } - - return null; - } - -} |