/*
* Copyright (C) 2014 Roman Nazarenko <me@jtalk.me>
*
* 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 me.jtalk.networking;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.socket.SocketChannel;
import javax.ejb.LocalBean;
import javax.ejb.Singleton;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import me.jtalk.jnetwork.netty.NettyClient;
import me.jtalk.jnetwork.netty.NettyClientsManager;
import me.jtalk.jnetwork.netty.NettyPacketHandler;
import me.jtalk.jnetwork.netty.NettyPacketParser;
import me.jtalk.jnetwork.netty.NettyPacketWriter;
@Singleton(name = NettyController.CHILD_HANDLER_NAME)
@LocalBean
public class NettyChildHandler implements NettyChannelInitializerFabric {
@Override
public ChannelInitializer<SocketChannel> get() throws NamingException {
return new Initializer();
}
private static class Initializer extends ChannelInitializer<SocketChannel> {
private static final String JNDI_CLIENT_PATH = "java:module/" + NettyEEClient.JNDI_NAME;
private final NettyPacketWriter writer = new NettyPacketWriter();
private final ClientHandler clientsManager = this.new ClientHandler();
private final InitialContext context;
public Initializer() throws NamingException {
this.context = new InitialContext();
}
@Override
protected void initChannel(SocketChannel channel) throws Exception {
NettyPacketHandler handler = new NettyPacketHandler(this.clientsManager);
channel.pipeline().addLast(new NettyPacketParser(), handler, this.writer);
}
private NettyClient getClient() {
try {
return (NettyClient)this.context.lookup(JNDI_CLIENT_PATH);
} catch (NamingException e) {
throw new RuntimeException(e);
}
}
private class ClientHandler implements NettyClientsManager {
@Override
public NettyClient get() {
return Initializer.this.getClient();
}
@Override
public void free(NettyClient client) {
// Does nothing as client is a stateful bean and thus
// will be handled by application server itself.
}
}
}
}