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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/orbsvcs/tests/AVStreams/Simple
//
// = FILENAME
// receiver.h
//
// = DESCRIPTION
// 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 : public TAO_AV_Callback
{
// = TITLE
// Application defined callback object.
//
// = DESCRIPTION
// AVStreams calls this class when data shows up from a sender.
public:
Receiver_Callback (void);
// Constructor.
// 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);
private:
int frame_count_;
// Keeping a count of the incoming frames.
ACE_Message_Block mb_;
// Message block into which data is read from a file and then sent.
};
class Receiver_StreamEndPoint : public TAO_Server_StreamEndPoint
{
// = TITLE
// Application defined stream endpoint object.
//
// = DESCRIPTION
// AVStreams calls this class during connection setup.
public:
// Create a receiver application callback.
int get_callback (const char *flowname,
TAO_AV_Callback *&callback);
int set_protocol_object (const char *flowname,
TAO_AV_Protocol_Object *object);
// Set protocol object corresponding to the transport protocol
// chosen.
private:
Receiver_Callback callback_;
// Receiver application callback.
};
class Receiver
{
// = TITLE
// Receiver application class.
//
// = DESCRIPTION
// This class receives data from a AV sender and writes it to
// a file.
public:
Receiver (void);
// Constructor
~Receiver (void);
// Destructor.
int init (int argc,
char **argv
ACE_ENV_ARG_DECL_NOT_USED);
// Initialize data components.
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);
// Set the protocol object corresponding to the transport protocol chosen.
FILE * input_file (void);
protected:
TAO_Naming_Client naming_client_;
// The Naming Service Client.
TAO_AV_Endpoint_Reactive_Strategy_B
<Receiver_StreamEndPoint,TAO_VDev,AV_Null_MediaCtrl> reactive_strategy_;
// The endpoint reactive strategy.
TAO_MMDevice *mmdevice_;
// Receiver MMDevice.
int frame_rate_;
// Rate at which the data will be sent.
TAO_AV_Protocol_Object *protocol_object_;
// Protocol object corresponding to the transport protocol selected.
FILE *input_file_;
// File handle of the file read from.
int frame_count_;
// Number of frames sent.
ACE_CString filename_;
// File from which data is read.
int parse_args (int argc, char **argv);
// Method to parse the command line arguments.
ACE_Message_Block mb_;
// Message block into which data is read from a file and then sent.
};
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