package rep.channel;

import java.io.IOException;
import java.net.ServerSocket;
import java.net.SocketAddress;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.SelectionKey;
import java.nio.channels.SocketChannel;

/* シミュレーションの際にコンストラクトされる REPServerSocketChannel の実装  */
public class ServerChannelSimulator<P>extends REPServerSocketChannel<P>{
	protected NetworkSimulator<P> ns;
	//public REPServerSocket<REPSocketChannel<P>> socket;
	protected SocketAddress IP;

	/**  Constructors. 
	 * @throws IOException */
	public ServerChannelSimulator() throws IOException {
		//socket = REPServerSocket.<REPSocketChannel<P>>create();
		ns = NetworkSimulator.<P>singleton();
	}
	
	public void bind(SocketAddress ip){
		IP = ip;
	}

	public REPSocketChannel<P> accept1() /*throws IOException*/ {
		return ns.accept(IP);
	}

	@Override
	public ServerSocket socket() {
		try {
			return  new REPServerSocket(this);
		} catch (IOException e) {
			e.printStackTrace();
			return null;
		}
	}

	@Override
	protected void implCloseSelectableChannel() throws IOException {
		return;
	}

	@Override
	protected void implConfigureBlocking(boolean block) throws IOException {
		return;
	}

	@Override
	public SocketChannel accept() throws IOException {
		// TODO Auto-generated method stub
		return null;
	}
	

	public SelectionKey register(REPSelector sel, int ops, Object att) throws ClosedChannelException {
		REPSelector selector = sel;
		ns.listen(IP, (SelectorSimulator) selector);
		return selector.register(this, ops, att);
	}

	public boolean isAcceptable() {
		return ns.canAccept(IP);
	}

}