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();

}
}