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/* -*- C++ -*- */
//=============================================================================
/**
* @file receiver.h
*
* $Id$
*
* This application receives data from a AV sender and writes it to
* a file.
*
*
* @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"
#include "orbsvcs/AV/Protocol_Factory.h"
/**
* @class Receiver_Callback
*
* @brief Application defined callback object.
*
* AVStreams calls this class when data shows up from a sender.
*/
class Receiver_Callback : public TAO_AV_Callback
{
public:
/// Constructor.
Receiver_Callback (void);
// Method that is called when there is data to be received from a
// sender.
int receive_frame (ACE_Message_Block *frame,
TAO_AV_frame_info *frame_info,
const ACE_Addr &peer_address);
// Called when the sender is done sending data and wants to close
// down the connection.
int handle_destroy (void);
void flowname (const char*);
private:
/// Keeping a count of the incoming frames.
int frame_count_;
/// Message block into which data is read from a file and then sent.
ACE_Message_Block mb_;
ACE_CString flowname_;
/// File handle of the file into which received data is written.
FILE *output_file_;
};
/**
* @class Receiver_StreamEndPoint
*
* @brief Application defined stream endpoint object.
*
* AVStreams calls this class during connection setup.
*/
class Receiver_StreamEndPoint : public TAO_Server_StreamEndPoint
{
public:
// Create a receiver application callback.
int get_callback (const char *flowname,
TAO_AV_Callback *&callback);
/// Set protocol object corresponding to the transport protocol
/// chosen.
int set_protocol_object (const char *flowname,
TAO_AV_Protocol_Object *object);
};
/**
* @class Receiver
*
* @brief Receiver application class.
*
* This class receives data from a AV sender and writes it to
* a file.
*/
class Receiver
{
public:
/// Constructor
Receiver (void);
/// Destructor.
~Receiver (void);
/// Initialize data components.
int init (int argc,
ACE_TCHAR *argv[]);
/// Set the protocol object corresponding to the transport protocol chosen.
void protocol_object (TAO_AV_Protocol_Object *protocol_object);
/// Set the protocol object corresponding to the transport protocol chosen.
TAO_AV_Protocol_Object * protocol_object (void);
protected:
/// The Naming Service Client.
TAO_Naming_Client naming_client_;
/// The endpoint reactive strategy.
TAO_AV_Endpoint_Reactive_Strategy_B
<Receiver_StreamEndPoint,TAO_VDev,AV_Null_MediaCtrl> reactive_strategy_;
/// Receiver MMDevice.
TAO_MMDevice *mmdevice_;
/// Rate at which the data will be sent.
int frame_rate_;
/// Protocol object corresponding to the transport protocol selected.
TAO_AV_Protocol_Object *protocol_object_;
/// Number of frames sent.
int frame_count_;
/// File from which data is read.
ACE_CString filename_;
/// Method to parse the command line arguments.
int parse_args (int argc, ACE_TCHAR *argv[]);
/// Message block into which data is read from a file and then sent.
ACE_Message_Block mb_;
};
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