/***********************************************************************
 * 
 *  Copyright (C) 2005-2006 Novell, Inc. All Rights Reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; version 2.1
 *  of the License.
 *
 *  This library 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
 *  Library Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, Novell, Inc.
 * 
 *  To contact Novell about this file by physical or electronic mail, 
 *  you may find current contact information at www.novell.com.
 * 
 ***********************************************************************/

using System;
using System.Net;
using System.Net.Sockets;
#if W32
using AppModule.NamedPipes;
#endif
using sscs.common;
namespace sscs.communication
{

abstract class IPCChannel
{
    /* This must check for the platform and return an 
     * appropriate IPCChannel. 
     */
#if LINUX
    internal static IPCChannel Create(Socket socket)
    {
        if(( (int)Environment.OSVersion.Platform) == 128)
            return (new UnixIPCChannel(socket) );
        else
            return null;
    }

#endif
	
#if W32
	internal static IPCChannel Create(ServerPipeConnection serverPipe)
	{		
		return (new WinIPCChannel(serverPipe));
	}
#endif
	abstract internal UserIdentifier GetIPCChannelUserId();
    abstract internal int Read(byte[] buf);
    abstract internal byte[] Read();
    abstract internal int Write(byte[] buf);
    abstract internal void Close();

}
}