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/*
* Copyright 2012 - 2019 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;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.channel.socket.DatagramChannel;
import io.netty.handler.codec.http.HttpRequestDecoder;
import io.netty.handler.timeout.IdleStateEvent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.helper.DateUtil;
import org.traccar.model.Position;
import java.sql.SQLException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
public class MainEventHandler extends ChannelInboundHandlerAdapter {
private static final Logger LOGGER = LoggerFactory.getLogger(GeocoderHandler.class);
private static final String DEFAULT_LOGGER_EVENTS = "time,position,speed,course,accuracy,result";
private final Set<String> connectionlessProtocols = new HashSet<>();
private final Set<String> logEvents;
public MainEventHandler() {
String connectionlessProtocolList = Context.getConfig().getString("status.ignoreOffline");
if (connectionlessProtocolList != null) {
connectionlessProtocols.addAll(Arrays.asList(connectionlessProtocolList.split(",")));
}
logEvents = new HashSet<>(Arrays.asList(
Context.getConfig().getString("logger.events", DEFAULT_LOGGER_EVENTS).split(",")));
}
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
if (msg instanceof Position) {
Position position = (Position) msg;
try {
Context.getDeviceManager().updateLatestPosition(position);
} catch (SQLException error) {
LOGGER.warn("Failed to update device", error);
}
String uniqueId = Context.getIdentityManager().getById(position.getDeviceId()).getUniqueId();
// Log position
StringBuilder s = new StringBuilder();
s.append(formatChannel(ctx.channel())).append(" ");
s.append("id: ").append(uniqueId);
if (logEvents.contains("time")) {
s.append(", time: ").append(DateUtil.formatDate(position.getFixTime(), false));
}
if (logEvents.contains("position")) {
s.append(", lat: ").append(String.format("%.5f", position.getLatitude()));
s.append(", lon: ").append(String.format("%.5f", position.getLongitude()));
}
if (position.getSpeed() > 0 && logEvents.contains("speed")) {
s.append(", speed: ").append(String.format("%.1f", position.getSpeed()));
}
if (logEvents.contains("course")) {
s.append(", course: ").append(String.format("%.1f", position.getCourse()));
}
if (position.getAccuracy() > 0 && logEvents.contains("accuracy")) {
s.append(", accuracy: ").append(String.format("%.1f", position.getAccuracy()));
}
if (position.getOutdated() && logEvents.contains("outdated")) {
s.append(", outdated");
}
if (!position.getValid() && logEvents.contains("invalid")) {
s.append(", invalid");
}
if (logEvents.contains(Position.KEY_BATTERY_LEVEL)) {
Object batteryLevel = position.getInteger(Position.KEY_BATTERY_LEVEL, null);
if (batteryLevel != null) {
s.append(", battery: ").append(batteryLevel).append('%');
}
}
if (logEvents.contains(Position.KEY_RESULT)) {
Object cmdResult = position.getAttributes().get(Position.KEY_RESULT);
if (cmdResult != null) {
s.append(", result: ").append(cmdResult);
}
}
LOGGER.info(s.toString());
Context.getStatisticsManager().registerMessageStored(position.getDeviceId());
}
}
private static String formatChannel(Channel channel) {
return String.format("[%s]", channel.id().asShortText());
}
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
if (!(ctx.channel() instanceof DatagramChannel)) {
LOGGER.info(formatChannel(ctx.channel()) + " connected");
}
}
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
LOGGER.info(formatChannel(ctx.channel()) + " disconnected");
closeChannel(ctx.channel());
if (BasePipelineFactory.getHandler(ctx.pipeline(), HttpRequestDecoder.class) == null
&& !connectionlessProtocols.contains(ctx.pipeline().get(BaseProtocolDecoder.class).getProtocolName())) {
Context.getConnectionManager().removeActiveDevice(ctx.channel());
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
while (cause.getCause() != null && cause.getCause() != cause) {
cause = cause.getCause();
}
LOGGER.warn(formatChannel(ctx.channel()) + " error", cause);
closeChannel(ctx.channel());
}
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) {
if (evt instanceof IdleStateEvent) {
LOGGER.info(formatChannel(ctx.channel()) + " timed out");
closeChannel(ctx.channel());
}
}
private void closeChannel(Channel channel) {
if (!(channel instanceof DatagramChannel)) {
channel.close();
}
}
}
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