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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/orbsvcs/tests/AVStreams/Simple
//
// = FILENAME
// sender.h
//
// = DESCRIPTION
// This application reads data from a file and sends it to s
// receiver.
//
// = 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/Protocol_Factory.h"
class Sender_Callback : public TAO_AV_Callback
{
// = TITLE
// Application defined callback object.
//
// = DESCRIPTION
// AVStreams calls this class when data shows up from a sender.
public:
Sender_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.
};
class Sender_StreamEndPoint : public TAO_Client_StreamEndPoint
{
// = TITLE
// Defines a sender stream endpoint.
public:
int get_callback (const char *flowname,
TAO_AV_Callback *&callback);
// Create the application callback and return its handle to
// AVStreams for further application callbacks.
int set_protocol_object (const char *flowname,
TAO_AV_Protocol_Object *object);
// Set protocol object corresponding to the transport protocol
// chosen.
protected:
Sender_Callback callback_;
// Application callback.
};
typedef TAO_AV_Endpoint_Reactive_Strategy_A
<Sender_StreamEndPoint,
TAO_VDev,
AV_Null_MediaCtrl>
SENDER_ENDPOINT_STRATEGY;
class Sender
{
// = TITLE
// Sender Application.
//
// = DESCRIPTION
// Class is responsible for streaming (and pacing) data to a
// receiver.
public:
Sender (void);
// Constructor
int init (int argc,
char **argv
ACE_ENV_ARG_DECL_NOT_USED);
// Method to initialize the various data components.
int pace_data (ACE_ENV_SINGLE_ARG_DECL_NOT_USED);
// Method to pace and send data from a file.
void protocol_object (TAO_AV_Protocol_Object *protocol_object);
// Set the protocol object corresponding to the transport protocol chosen.
int eof (void);
void shutdown (void);
private:
int parse_args (int argc, char **argv);
// Method to parse the command line arguments.
int bind_to_receiver (ACE_ENV_SINGLE_ARG_DECL);
// Method that binds the sender to the receiver.
SENDER_ENDPOINT_STRATEGY endpoint_strategy_;
// The endpoint strategy used by the sender.
AVStreams::MMDevice_var receiver_mmdevice_;
// The receiver MMDevice that the sender connects to.
TAO_MMDevice *sender_mmdevice_;
// The sender MMDevice.
TAO_StreamCtrl *streamctrl_;
// Stream controller
int frame_count_;
// Number of frames sent.
ACE_CString filename_;
// File from which data is read.
TAO_Naming_Client naming_client_;
// The Naming Service client.
FILE *input_file_;
// File handle of the file read from.
ACE_CString protocol_;
// Selected protocol - default is UDP
int frame_rate_;
// Rate at which the data will be sent.
ACE_Message_Block mb_;
// Message block into which data is read from a file and then sent.
TAO_AV_Protocol_Object *protocol_object_;
// Protocol object corresponding to the transport protocol selected.
int eof_;
};
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