/* -*- C++ -*- */
//=============================================================================
/**
 *  @file    server.h
 *
 *  Ftp server to receive data
 *
 *  @author Yamuna Krishnamurthy <yamuna@cs.wustl.edu>
 */
//=============================================================================


#include "orbsvcs/Naming/Naming_Client.h"
#include "orbsvcs/AV/AVStreams_i.h"
#include "orbsvcs/AV/Endpoint_Strategy.h"
#include "orbsvcs/AV/Policy.h"


/**
 * @class FTP_Server_Callback
 *
 * @brief Defines a class for the server application callback.
 *
 * This class overrides the methods of the TAO_AV_Callback so the
 * AVStreams can make upcalls to the application.
 */
class FTP_Server_Callback : public TAO_AV_Callback
{
public:
  // Method that is called when there is data to be received from the ftp client.
  int receive_frame (ACE_Message_Block *frame,
                     TAO_AV_frame_info *frame_info,
                     const ACE_Addr &peer_address);

  // Called when the ftp client has finished reading the file and wants
  // to close4 down the connection.
  int handle_destroy ();
};

/**
 * @class FTP_Server_StreamEndPoint
 *
 * @brief Defines the aplication stream endpoint
 *
 * This is the class that overrides the tao_server_enpodint to handle
 * pre and post connect processing.
 */
class FTP_Server_StreamEndPoint : public TAO_Server_StreamEndPoint
{
public:
  // Create the server application callback.
  int get_callback (const char *flowname,
                    TAO_AV_Callback *&callback);

private:
  /// reference to the server application callback.
  FTP_Server_Callback callback_;
};

/**
 * @class Server
 *
 * @brief Defines the server application class.
 *
 * The actual server program that acts as the ftp server that receives data
 * sent by the ftp client.
 */
class Server
{
public:
  /// Constructor
  Server ();

  /// Destructor.
  ~Server ();

  /// Initialize data components.
  int init (int argc,
            ACE_TCHAR *argv[]);

protected:
  /// The Naming Service Client.
  TAO_Naming_Client my_naming_client_;

  /// The endpoint reacxtive strategy.
  TAO_AV_Endpoint_Reactive_Strategy_B
  <FTP_Server_StreamEndPoint,TAO_VDev,AV_Null_MediaCtrl> reactive_strategy_;

  /// The server MMDevice.
  TAO_MMDevice *mmdevice_;
};
