com.l2jfree.network.mmocore.AcceptorThread.java Source code

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Here is the source code for com.l2jfree.network.mmocore.AcceptorThread.java

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/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program 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 General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.l2jfree.network.mmocore;

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.nio.channels.SelectionKey;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;

import org.apache.commons.io.IOUtils;

import com.l2jfree.Util;

/**
 * {@link MMOController} associated {@link WorkerThread} responsible for accepting new connections.
 * 
 * @author NB4L1
 * @param <T>
 * @param <RP>
 * @param <SP>
 */
final class AcceptorThread<T extends MMOConnection<T, RP, SP>, RP extends ReceivablePacket<T, RP, SP>, SP extends SendablePacket<T, RP, SP>>
        extends AbstractSelectorThread<T, RP, SP> {
    private final int _bufferSize;

    public AcceptorThread(MMOController<T, RP, SP> mmoController, MMOConfig config) throws IOException {
        super(mmoController, config);

        _bufferSize = config.getBufferSize();
    }

    public void openServerSocket(InetAddress address, int port) throws IOException {
        ServerSocketChannel selectable = ServerSocketChannel.open();
        selectable.configureBlocking(false);

        ServerSocket ss = selectable.socket();
        ss.setReuseAddress(true);
        ss.setReceiveBufferSize(getBufferSize());
        if (address == null) {
            ss.bind(new InetSocketAddress(port));
        } else {
            ss.bind(new InetSocketAddress(address, port));
        }
        selectable.register(getSelector(), SelectionKey.OP_ACCEPT);
    }

    @Override
    protected void handle(SelectionKey key) {
        acceptConnection(key);
    }

    private void acceptConnection(SelectionKey key) {
        SocketChannel sc;
        try {
            while ((sc = ((ServerSocketChannel) key.channel()).accept()) != null) {
                if (getMMOController().acceptConnectionFrom(sc)) {
                    sc.configureBlocking(false);

                    Util.printSection(getMMOController().getClass().getSimpleName() + " "
                            + sc.socket().getRemoteSocketAddress().toString());
                    final T con = getMMOController().createClient(sc);
                    con.enableReadInterest();
                } else {
                    IOUtils.closeQuietly(sc.socket());
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private int getBufferSize() {
        return _bufferSize;
    }
}