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/*
* Copyright 2012 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.InetSocketAddress;
import java.nio.ByteOrder;
import org.jboss.netty.bootstrap.Bootstrap;
import org.jboss.netty.bootstrap.ConnectionlessBootstrap;
import org.jboss.netty.bootstrap.ServerBootstrap;
import org.jboss.netty.buffer.HeapChannelBufferFactory;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelPipelineFactory;
import org.jboss.netty.channel.group.ChannelGroup;
import org.jboss.netty.channel.group.ChannelGroupFuture;
import org.jboss.netty.channel.group.DefaultChannelGroup;
/**
* Tracker server
*/
public abstract class TrackerServer {
private ServerManager serverManager;
private Bootstrap bootstrap;
private String protocol;
public String getProtocol() {
return protocol;
}
public TrackerServer(ServerManager serverManager, Bootstrap bootstrap, String protocol) {
this.serverManager = serverManager;
this.bootstrap = bootstrap;
this.protocol = protocol;
bootstrap.setFactory(GlobalChannelFactory.getFactory());
address = serverManager.getProperties().getProperty(protocol + ".address");
String portProperty = serverManager.getProperties().getProperty(protocol + ".port");
port = (portProperty != null) ? Integer.valueOf(portProperty) : 5000;
bootstrap.setPipelineFactory(new GenericPipelineFactory(serverManager, this, protocol) {
@Override
protected void addSpecificHandlers(ChannelPipeline pipeline) {
TrackerServer.this.addSpecificHandlers(pipeline);
}
});
}
protected abstract void addSpecificHandlers(ChannelPipeline pipeline);
/**
* Server port
*/
private Integer port;
public Integer getPort() {
return port;
}
public void setPort(Integer port) {
this.port = port;
}
/**
* Server listening interface
*/
private String address;
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
/**
* Set endianness
*/
void setEndianness(ByteOrder byteOrder) {
bootstrap.setOption("child.bufferFactory", new HeapChannelBufferFactory(byteOrder));
}
/**
* Opened channels
*/
private ChannelGroup allChannels = new DefaultChannelGroup();
public ChannelGroup getChannelGroup() {
return allChannels;
}
public void setPipelineFactory(ChannelPipelineFactory pipelineFactory) {
bootstrap.setPipelineFactory(pipelineFactory);
}
/**
* Start server
*/
public void start() {
InetSocketAddress endpoint;
if (address == null) {
endpoint = new InetSocketAddress(port);
} else {
endpoint = new InetSocketAddress(address, port);
}
Channel channel = null;
if (bootstrap instanceof ServerBootstrap) {
channel = ((ServerBootstrap) bootstrap).bind(endpoint);
} else if (bootstrap instanceof ConnectionlessBootstrap) {
channel = ((ConnectionlessBootstrap) bootstrap).bind(endpoint);
}
if (channel != null) {
getChannelGroup().add(channel);
}
}
/**
* Stop server
*/
public void stop() {
ChannelGroupFuture future = getChannelGroup().close();
future.awaitUninterruptibly();
}
}
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