/*
 * Copyright 2009 Red Hat, Inc.
 * Red Hat licenses this file to you 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.jboss.netty.channel.socket.nio;

import static org.jboss.netty.channel.Channels.fireChannelOpen;

import java.io.IOException;
import java.nio.channels.SocketChannel;

import org.apache.log4j.Logger;
import org.jboss.netty.channel.ChannelException;
import org.jboss.netty.channel.ChannelFactory;
import org.jboss.netty.channel.ChannelFuture;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.channel.ChannelSink;

/**
 * 
 * @author The Netty Project (netty-dev@lists.jboss.org)
 * @author Trustin Lee (tlee@redhat.com)
 * 
 * @version $Rev: 1685 $, $Date: 2009-08-28 03:15:49 -0400 (Fri, 28 Aug 2009) $
 * 
 */
final class NioClientSocketChannel extends NioSocketChannel {
  private static final Logger        logger      = Logger.getLogger( NioClientSocketChannel.class );
  private static SocketChannel newSocket( ) {
    SocketChannel socket;
    try {
      socket = SocketChannel.open( );
    } catch ( IOException e ) {
      throw new ChannelException( "Failed to open a socket.", e );
    }
    boolean success = false;
    try {
      socket.configureBlocking( false );
      success = true;
    } catch ( IOException e ) {
      throw new ChannelException( "Failed to enter non-blocking mode.", e );
    } finally {
      if ( !success ) {
        try {
          socket.close( );
        } catch ( IOException e ) {
          logger.warn( "Failed to close a partially initialized socket.", e );
        }
      }
    }
    return socket;
  }
  volatile ChannelFuture connectFuture;
  volatile boolean       boundManually;
  // Does not need to be volatile as it's accessed by only one thread.
  long                   connectDeadlineNanos;
  NioClientSocketChannel( ChannelFactory factory, ChannelPipeline pipeline, ChannelSink sink, NioWorker worker ) {
    super( null, factory, pipeline, sink, newSocket( ), worker );
    fireChannelOpen( this );
  }
}