/*********************************************************************************
 *  TotalCross Software Development Kit                                          *
 *  Copyright (C) 2000-2012 SuperWaba Ltda.                                      *
 *  All Rights Reserved                                                          *
 *                                                                               *
 *  This library and virtual machine 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.                         *
 *                                                                               *
 *  This file is covered by the GNU LESSER GENERAL PUBLIC LICENSE VERSION 3.0    *
 *  A copy of this license is located in file license.txt at the root of this    *
 *  SDK or can be downloaded here:                                               *
 *  http://www.gnu.org/licenses/lgpl-3.0.txt                                     *
 *                                                                               *
 *********************************************************************************/



package totalcross.net;

public class ServerSocket4D
{
   private Object serverRef;
   private String addr;
   private int port;
   int timeout = DEFAULT_SOTIMEOUT;
   boolean dontFinalize;

   public static final int DEFAULT_SOTIMEOUT = 10000;
   public static final int DEFAULT_BACKLOG = 100;
   public static final int WAIT_FOREVER = 0;

   public ServerSocket4D(int port) throws totalcross.io.IOException
   {
      this(port, DEFAULT_SOTIMEOUT, DEFAULT_BACKLOG, null);
   }

   public ServerSocket4D(int port, int timeout) throws totalcross.io.IOException
   {
      this(port, timeout, DEFAULT_BACKLOG, null);
   }

   public ServerSocket4D(int port, int timeout, String addr) throws totalcross.io.IOException
   {
      this(port, timeout, DEFAULT_BACKLOG, addr);
   }

   public ServerSocket4D(int port, int timeout, int backlog, String addr)
         throws totalcross.io.IOException
   {
      if (port < 0 || port > 65535)
         throw new java.lang.IllegalArgumentException("Invalid value for argument 'port': " + port);
      if (timeout < 0)
         throw new java.lang.IllegalArgumentException("Invalid value for argument 'timeout': " + timeout);
      if (backlog <= 0)
         throw new java.lang.IllegalArgumentException("Invalid value for argument 'backlog': " + backlog);

      this.port = port;
      this.timeout = timeout;
      this.addr = addr;
      serversocketCreate(port, backlog, timeout, addr);
   }

   native void serversocketCreate(int port, int backlog, int timeout, String addr)
         throws totalcross.io.IOException;

   public String getHost()
   {
      return addr;
   }

   public int getLocalPort()
   {
      return port;
   }

   public Socket accept() throws totalcross.io.IOException
   {
      if (serverRef == null)
         throw new totalcross.io.IOException("The server socket is closed");

      totalcross.net.Socket clientSocket = nativeAccept();
      return clientSocket;
   }

   native totalcross.net.Socket nativeAccept() throws totalcross.io.IOException;

   public void close() throws totalcross.io.IOException
   {
      if (serverRef == null)
         throw new totalcross.io.IOException("The server socket is closed");
      nativeClose();
   }

   native private void nativeClose() throws totalcross.io.IOException;

   protected void finalize()
   {
      try
      {
         close();
      }
      catch (totalcross.io.IOException e)
      {
      }
   }
}