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/* -*- C++ -*- */
//=============================================================================
/**
* @file sender.h
*
* $Id$
*
* @author Yamuna Krishnamurthy <yamuna@cs.wustl.edu>
*/
//=============================================================================
#include "orbsvcs/orbsvcs/Naming/Naming_Utils.h"
#include "orbsvcs/orbsvcs/AV/AVStreams_i.h"
#include "orbsvcs/orbsvcs/AV/Endpoint_Strategy.h"
#include "orbsvcs/orbsvcs/AV/Protocol_Factory.h"
// = Defines application specific sender stream endpoint.
class Sender_StreamEndPoint : public TAO_Client_StreamEndPoint
{
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.
CORBA::Boolean modify_QoS (AVStreams::streamQoS &new_qos,
const AVStreams::flowSpec &flow_spec
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC((CORBA::SystemException,
AVStreams::noSuchFlow,
AVStreams::QoSRequestFailed ));
/// The over-ridden modify_qos method to change the qos of the
/// flows specified in the flow spec to that in the new_qos.
protected:
TAO_AV_Callback callback_;
/// Application callback.
};
typedef TAO_AV_Endpoint_Reactive_Strategy_A
<Sender_StreamEndPoint,
TAO_VDev,
AV_Null_MediaCtrl>
SENDER_ENDPOINT_STRATEGY;
/**
* @class Sender
*
* @brief Class is responsible for streaming (and pacing) data to a
* receiver.
*
*/
class Sender
{
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.
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.
};
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