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/*
* Copyright 2019 Anton Tananaev (anton@traccar.org)
* Copyright 2019 Jesse Hills (jesserockz@gmail.com)
*
* 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.Unpooled;
import io.netty.channel.Channel;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.codec.http.QueryStringDecoder;
import org.traccar.BaseHttpProtocolDecoder;
import org.traccar.DeviceSession;
import org.traccar.Protocol;
import org.traccar.model.Position;
import org.traccar.NetworkMessage;
import java.net.SocketAddress;
import java.nio.charset.StandardCharsets;
import java.util.Date;
import java.util.List;
import java.util.Map;
public class LeafSpyProtocolDecoder extends BaseHttpProtocolDecoder {
public LeafSpyProtocolDecoder(Protocol protocol) {
super(protocol);
}
@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
FullHttpRequest request = (FullHttpRequest) msg;
QueryStringDecoder decoder = new QueryStringDecoder(request.uri());
Map<String, List<String>> params = decoder.parameters();
if (params.isEmpty()) {
decoder = new QueryStringDecoder(request.content().toString(StandardCharsets.US_ASCII), false);
params = decoder.parameters();
}
Position position = new Position(getProtocolName());
position.setValid(true);
for (Map.Entry<String, List<String>> entry : params.entrySet()) {
for (String value : entry.getValue()) {
switch (entry.getKey()) {
case "pass":
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, value);
if (deviceSession == null) {
sendResponse(channel, HttpResponseStatus.BAD_REQUEST);
return null;
}
position.setDeviceId(deviceSession.getDeviceId());
break;
case "Lat":
position.setLatitude(Double.parseDouble(value));
break;
case "Long":
position.setLongitude(Double.parseDouble(value));
break;
case "RPM":
position.set(Position.KEY_RPM, Integer.parseInt(value));
position.setSpeed(convertSpeed(Double.parseDouble(value) / 63, "kmh"));
break;
case "Elv":
position.setAltitude(Double.parseDouble(value));
break;
case "SOC":
position.set(Position.KEY_BATTERY_LEVEL, Double.parseDouble(value));
break;
case "user":
position.set(Position.KEY_DRIVER_UNIQUE_ID, value);
break;
case "ChrgMode":
position.set(Position.KEY_CHARGE, Integer.parseInt(value) != 0);
break;
case "Odo":
position.set(Position.KEY_OBD_ODOMETER, Integer.parseInt(value) * 1000);
break;
default:
try {
position.set(entry.getKey(), Double.parseDouble(value));
} catch (NumberFormatException e) {
switch (value) {
case "true":
position.set(entry.getKey(), true);
break;
case "false":
position.set(entry.getKey(), false);
break;
default:
position.set(entry.getKey(), value);
break;
}
}
break;
}
}
}
if (position.getFixTime() == null) {
position.setTime(new Date());
}
if (position.getLatitude() == 0 && position.getLongitude() == 0) {
getLastLocation(position, position.getDeviceTime());
}
if (position.getDeviceId() != 0) {
if (channel != null) {
HttpResponse response = new DefaultFullHttpResponse(
HttpVersion.HTTP_1_1,
HttpResponseStatus.OK,
Unpooled.copiedBuffer("\"status\":\"0\"", StandardCharsets.US_ASCII));
channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
}
return position;
} else {
sendResponse(channel, HttpResponseStatus.BAD_REQUEST);
return null;
}
}
}
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