/*
* This file is part of Vanilla.
*
* Copyright (c) 2011 Spout LLC <http://www.spout.org/>
* Vanilla is licensed under the Spout License Version 1.
*
* Vanilla is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* In addition, 180 days after any changes are published, you can use the
* software, incorporating those changes, under the terms of the MIT license,
* as described in the Spout License Version 1.
*
* Vanilla is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License,
* the MIT license and the Spout License Version 1 along with this program.
* If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
* License and see <http://spout.in/licensev1> for the full license, including
* the MIT license.
*/
package org.spout.vanilla.protocol.rcon;
import java.io.File;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.nio.ByteOrder;
import java.util.logging.Logger;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.group.ChannelGroup;
import io.netty.channel.group.ChannelGroupFuture;
import io.netty.channel.group.DefaultChannelGroup;
import io.netty.channel.socket.ServerSocketChannel;
import io.netty.util.concurrent.GlobalEventExecutor;
import org.spout.api.Server;
import org.spout.api.protocol.PortBinding;
import org.spout.cereal.config.yaml.YamlConfiguration;
import org.spout.vanilla.protocol.VanillaProtocol;
/**
* Represents a remote connection server.
*/
public class RemoteConnectionServer extends RemoteConnectionCore {
private final RconConfiguration config;
private final ChannelGroup group = new DefaultChannelGroup("RconChannels", GlobalEventExecutor.INSTANCE);
private final ServerBootstrap bootstrap = new ServerBootstrap();
public RemoteConnectionServer(Logger logger, File dataFolder) {
super(logger);
this.config = new RconConfiguration(new YamlConfiguration(new File(dataFolder, "rcon.yml")));
/*bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
public ChannelPipeline getPipeline() throws Exception {
RemoteConnectionSession session = new RemoteConnectionSession(RemoteConnectionServer.this);
return Channels.pipeline(new RconEncoder(session),
new RconDecoder(session),
new ChannelTracker(),
new RconHandler(session));
}
});*/
}
public void bindDefaultPorts(Server server) {
if (!config.ENABLED.getBoolean()) {
return;
}
int bindPort = config.PORT.getInt();
for (PortBinding binding : server.getBoundAddresses()) {
if (binding.getProtocol() instanceof VanillaProtocol) {
if (binding.getAddress() instanceof InetSocketAddress) {
InetSocketAddress addr = (InetSocketAddress) binding.getAddress();
if (addr.getPort() == bindPort) {
getLogger().warning("Port binding on " + addr + " is already occupying the port set for rcon, not binding!");
continue;
}
bind(new InetSocketAddress(addr.getAddress(), bindPort));
}
}
}
}
public void bind(SocketAddress address) {
group.add(bootstrap.bind(address).awaitUninterruptibly().channel());
}
public String getPassword() {
return config.PASSWORD.getString();
}
public void close() throws IOException {
ChannelGroupFuture f = group.close().awaitUninterruptibly();
if (!f.isSuccess()) {
for (ChannelFuture future : f) {
if (!future.isSuccess()) {
throw new IOException(future.cause());
}
}
}
bootstrap.group().shutdownGracefully();
}
/**
* See {@link ChannelGroup}
*/
private final class ChannelTracker extends SimpleChannelInboundHandler<Object> {
@Override
public void channelActive(ChannelHandlerContext ctx) {
// Add all open channels to the global group so that they are
// closed on shutdown.
group.add(ctx.channel());
}
@Override
protected void channelRead0(ChannelHandlerContext chc, Object i) throws Exception {
chc.fireChannelRead(i);
}
}
}