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/*
* Copyright 2012 - 2013 Anton Tananaev (anton.tananaev@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;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.channel.*;
import org.jboss.netty.handler.logging.LoggingHandler;
import org.jboss.netty.handler.timeout.IdleStateHandler;
import org.traccar.geocode.ReverseGeocoder;
import org.traccar.helper.Log;
import org.traccar.model.DataManager;
/**
* Base pipeline factory
*/
public abstract class BasePipelineFactory implements ChannelPipelineFactory {
private TrackerServer server;
private DataManager dataManager;
private Boolean loggerEnabled;
private Integer resetDelay;
private ReverseGeocoder reverseGeocoder;
/**
* Open channel handler
*/
protected class OpenChannelHandler extends SimpleChannelHandler {
private TrackerServer server;
public OpenChannelHandler(TrackerServer server) {
this.server = server;
}
@Override
public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e) {
server.getChannelGroup().add(e.getChannel());
}
}
/**
* Logging using global logger
*/
protected class StandardLoggingHandler extends LoggingHandler {
@Override
public void log(ChannelEvent e) {
if (e instanceof MessageEvent) {
MessageEvent event = (MessageEvent) e;
StringBuilder msg = new StringBuilder();
msg.append("[").append(((InetSocketAddress) e.getChannel().getLocalAddress()).getPort());
msg.append((e instanceof DownstreamMessageEvent) ? " -> " : " <- ");
msg.append(((InetSocketAddress) event.getRemoteAddress()).getAddress().getHostAddress()).append("]");
// Append hex message
if (event.getMessage() instanceof ChannelBuffer) {
msg.append(" - HEX: ");
msg.append(ChannelBuffers.hexDump((ChannelBuffer) event.getMessage()));
}
Log.debug(msg.toString());
} else if (e instanceof ExceptionEvent) {
ExceptionEvent event = (ExceptionEvent) e;
Log.warning(event.getCause());
}
}
}
public BasePipelineFactory(ServerManager serverManager, TrackerServer server, String protocol) {
this.server = server;
dataManager = serverManager.getDataManager();
loggerEnabled = serverManager.isLoggerEnabled();
reverseGeocoder = serverManager.getReverseGeocoder();
String resetDelayProperty = serverManager.getProperties().getProperty(protocol + ".resetDelay");
if (resetDelayProperty != null) {
resetDelay = Integer.valueOf(resetDelayProperty);
}
}
protected DataManager getDataManager() {
return dataManager;
}
protected abstract void addSpecificHandlers(ChannelPipeline pipeline);
@Override
public ChannelPipeline getPipeline() {
ChannelPipeline pipeline = Channels.pipeline();
if (resetDelay != null) {
pipeline.addLast("idleHandler", new IdleStateHandler(GlobalTimer.getTimer(), resetDelay, 0, 0));
}
pipeline.addLast("openHandler", new OpenChannelHandler(server));
if (loggerEnabled) {
pipeline.addLast("logger", new StandardLoggingHandler());
}
addSpecificHandlers(pipeline);
if (reverseGeocoder != null) {
pipeline.addLast("geocoder", new ReverseGeocoderHandler(reverseGeocoder));
}
pipeline.addLast("handler", new TrackerEventHandler(dataManager));
return pipeline;
}
}
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