/* * 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.database.StatisticsManager; 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.LinkedHashSet; import java.util.Set; public class MainEventHandler extends ChannelInboundHandlerAdapter { private static final Logger LOGGER = LoggerFactory.getLogger(MainEventHandler.class); private static final String DEFAULT_LOGGER_ATTRIBUTES = "time,position,speed,course,accuracy,result"; private final Set<String> connectionlessProtocols = new HashSet<>(); private final Set<String> logAttributes = new LinkedHashSet<>(); public MainEventHandler() { String connectionlessProtocolList = Context.getConfig().getString("status.ignoreOffline"); if (connectionlessProtocolList != null) { connectionlessProtocols.addAll(Arrays.asList(connectionlessProtocolList.split(","))); } logAttributes.addAll(Arrays.asList( Context.getConfig().getString("logger.attributes", DEFAULT_LOGGER_ATTRIBUTES).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(); StringBuilder builder = new StringBuilder(); builder.append(formatChannel(ctx.channel())).append(" "); builder.append("id: ").append(uniqueId); for (String attribute : logAttributes) { switch (attribute) { case "time": builder.append(", time: ").append(DateUtil.formatDate(position.getFixTime(), false)); break; case "position": builder.append(", lat: ").append(String.format("%.5f", position.getLatitude())); builder.append(", lon: ").append(String.format("%.5f", position.getLongitude())); break; case "speed": if (position.getSpeed() > 0) { builder.append(", speed: ").append(String.format("%.1f", position.getSpeed())); } break; case "course": builder.append(", course: ").append(String.format("%.1f", position.getCourse())); break; case "accuracy": if (position.getAccuracy() > 0) { builder.append(", accuracy: ").append(String.format("%.1f", position.getAccuracy())); } break; case "outdated": if (position.getOutdated()) { builder.append(", outdated"); } break; case "invalid": if (!position.getValid()) { builder.append(", invalid"); } break; default: Object value = position.getAttributes().get(attribute); if (value != null) { builder.append(", ").append(attribute).append(": ").append(value); } break; } } LOGGER.info(builder.toString()); Main.getInjector().getInstance(StatisticsManager.class).registerMessageStored(position.getDeviceId()); } } private static String formatChannel(Channel channel) { return String.format("[%s]", channel.id().asShortText()); } @Override public void channelActive(ChannelHandlerContext ctx) { if (!(ctx.channel() instanceof DatagramChannel)) { LOGGER.info(formatChannel(ctx.channel()) + " connected"); } } @Override public void channelInactive(ChannelHandlerContext ctx) { 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(); } } }