diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/TopinProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/TopinProtocolDecoder.java | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/TopinProtocolDecoder.java b/src/main/java/org/traccar/protocol/TopinProtocolDecoder.java new file mode 100644 index 000000000..eee0e9ae8 --- /dev/null +++ b/src/main/java/org/traccar/protocol/TopinProtocolDecoder.java @@ -0,0 +1,182 @@ +/* + * Copyright 2019 - 2020 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.ByteBufUtil; +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.BcdUtil; +import org.traccar.helper.DateBuilder; +import org.traccar.model.CellTower; +import org.traccar.model.Network; +import org.traccar.model.Position; +import org.traccar.model.WifiAccessPoint; + +import java.net.SocketAddress; +import java.util.TimeZone; + +public class TopinProtocolDecoder extends BaseProtocolDecoder { + + public TopinProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_LOGIN = 0x01; + public static final int MSG_GPS = 0x10; + public static final int MSG_GPS_OFFLINE = 0x11; + public static final int MSG_STATUS = 0x13; + public static final int MSG_WIFI_OFFLINE = 0x17; + public static final int MSG_WIFI = 0x69; + + private void sendResponse(Channel channel, int length, int type, ByteBuf content) { + if (channel != null) { + ByteBuf response = Unpooled.buffer(); + response.writeShort(0x7878); + response.writeByte(length); + response.writeByte(type); + response.writeBytes(content); + response.writeByte('\r'); + response.writeByte('\n'); + content.release(); + 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(2); // header + int length = buf.readUnsignedByte(); + + int type = buf.readUnsignedByte(); + + DeviceSession deviceSession; + if (type == MSG_LOGIN) { + String imei = ByteBufUtil.hexDump(buf.readSlice(8)).substring(1); + deviceSession = getDeviceSession(channel, remoteAddress, imei); + ByteBuf content = Unpooled.buffer(); + content.writeByte(deviceSession != null ? 0x01 : 0x44); + sendResponse(channel, length, type, content); + return null; + } else { + deviceSession = getDeviceSession(channel, remoteAddress); + if (deviceSession == null) { + return null; + } + } + + if (type == MSG_GPS || type == MSG_GPS_OFFLINE) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + ByteBuf time = buf.slice(buf.readerIndex(), 6); + + Gt06ProtocolDecoder.decodeGps(position, buf, false, TimeZone.getTimeZone("UTC")); + + ByteBuf content = Unpooled.buffer(); + content.writeBytes(time); + sendResponse(channel, length, type, content); + + return position; + + } else if (type == MSG_STATUS) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + getLastLocation(position, null); + + int battery = buf.readUnsignedByte(); + int firmware = buf.readUnsignedByte(); + int timezone = buf.readUnsignedByte(); + int interval = buf.readUnsignedByte(); + int signal = 0; + if (length >= 7) { + signal = buf.readUnsignedByte(); + position.set(Position.KEY_RSSI, signal); + } + + position.set(Position.KEY_BATTERY_LEVEL, battery); + position.set(Position.KEY_VERSION_FW, firmware); + + ByteBuf content = Unpooled.buffer(); + content.writeByte(battery); + content.writeByte(firmware); + content.writeByte(timezone); + content.writeByte(interval); + if (length >= 7) { + content.writeByte(signal); + } + sendResponse(channel, length, type, content); + + return position; + + } else if (type == MSG_WIFI || type == MSG_WIFI_OFFLINE) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + ByteBuf time = buf.readSlice(6); + DateBuilder dateBuilder = new DateBuilder() + .setYear(BcdUtil.readInteger(time, 2)) + .setMonth(BcdUtil.readInteger(time, 2)) + .setDay(BcdUtil.readInteger(time, 2)) + .setHour(BcdUtil.readInteger(time, 2)) + .setMinute(BcdUtil.readInteger(time, 2)) + .setSecond(BcdUtil.readInteger(time, 2)); + time.resetReaderIndex(); + + getLastLocation(position, dateBuilder.getDate()); + + Network network = new Network(); + for (int i = 0; i < length; i++) { + String mac = String.format("%02x:%02x:%02x:%02x:%02x:%02x", + buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte(), + buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()); + network.addWifiAccessPoint(WifiAccessPoint.from(mac, buf.readUnsignedByte())); + } + + int cellCount = buf.readUnsignedByte(); + int mcc = buf.readUnsignedShort(); + int mnc = buf.readUnsignedByte(); + for (int i = 0; i < cellCount; i++) { + network.addCellTower(CellTower.from( + mcc, mnc, buf.readUnsignedShort(), buf.readUnsignedShort(), buf.readUnsignedByte())); + } + + position.setNetwork(network); + + ByteBuf content = Unpooled.buffer(); + content.writeBytes(time); + sendResponse(channel, length, type, content); + + return position; + + } + + return null; + } + +} |