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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ORBSVCS AVStreams
//
// = FILENAME
// Endpoint_Strategy_T.h
//
// = AUTHOR
// Sumedh Mungee <sumedh@cs.wustl.edu>
// Nagarajan Surendran <naga@cs.wustl.edu>
//
//
// ============================================================================
#ifndef TAO_AV_ENDPOINT_STRATEGY_T_H
#define TAO_AV_ENDPOINT_STRATEGY_T_H
#include "ace/pre.h"
#include "Endpoint_Strategy.h"
template <class T_StreamEndpoint, class T_VDev , class T_MediaCtrl>
class TAO_AV_Export TAO_AV_Endpoint_Reactive_Strategy
: public TAO_AV_Endpoint_Strategy
{
// = DESCRIPTION
// Reactive strategy base class
protected:
// Constructor
TAO_AV_Endpoint_Reactive_Strategy (CORBA::ORB_ptr orb, PortableServer::POA_ptr poa);
// Constructor
virtual ~TAO_AV_Endpoint_Reactive_Strategy (void);
// Destructor.
virtual int activate (void);
// creates and activates the streamendpoint, vdev, and mediacontrol
virtual int activate_stream_endpoint (CORBA::Environment &env) = 0;
// activates the stream_endpoint with the POA
virtual int activate_vdev (CORBA::Environment &env);
// activates the vdev with the POA
virtual int activate_mediactrl (CORBA::Environment &env);
// activates the media controller with the POA
virtual int make_vdev (T_VDev *&vdev);
// Bridge method to create a vdev, a la Acceptor. Applications
// can override this
virtual int make_stream_endpoint (T_StreamEndpoint *&stream_endpoint);
// Bridge method to create a stream_endpoint, a la Acceptor. Applications
// can override this
virtual int make_mediactrl (T_MediaCtrl *&media_ctrl);
// Bridge method to create a media_ctrl, a la Acceptor. Applications
// can override this
char* activate_with_poa (PortableServer::Servant servant, CORBA::Environment &env);
CORBA::ORB_ptr orb_;
PortableServer::POA_var poa_;
};
// ----------------------------------------------------------------------
template <class T_StreamEndpoint, class T_VDev , class T_MediaCtrl>
class TAO_AV_Export TAO_AV_Endpoint_Reactive_Strategy_A
: public TAO_AV_Endpoint_Reactive_Strategy<T_StreamEndpoint, T_VDev , T_MediaCtrl>
{
// = DESCRIPTION
// Reactive strategy
public:
TAO_AV_Endpoint_Reactive_Strategy_A (CORBA::ORB_ptr orb, PortableServer::POA_ptr poa);
// Constructor
virtual ~TAO_AV_Endpoint_Reactive_Strategy_A (void);
// Destructor.
virtual int activate_stream_endpoint (CORBA::Environment &env);
// Overrides the base class stream_endpoint activator, to activate
// an "A" type endpoint
virtual int create_A (AVStreams::StreamEndPoint_A_ptr &stream_endpoint,
AVStreams::VDev_ptr &vdev,
CORBA::Environment &env);
// Called by the MMDevice, when it needs to create an A type endpoint
};
// ----------------------------------------------------------------------
template <class T_StreamEndpoint, class T_Vdev , class T_MediaCtrl>
class TAO_AV_Export TAO_AV_Endpoint_Reactive_Strategy_B
: public TAO_AV_Endpoint_Reactive_Strategy <T_StreamEndpoint, T_Vdev, T_MediaCtrl>
{
// = DESCRIPTION
// Reactive strategy
public:
TAO_AV_Endpoint_Reactive_Strategy_B (CORBA::ORB_ptr orb, PortableServer::POA_ptr poa);
// Constructor
virtual ~TAO_AV_Endpoint_Reactive_Strategy_B (void);
// Destructor.
virtual int activate_stream_endpoint (CORBA::Environment &env);
// Overrides the base class stream_endpoint activator, to activate
// a "B" type endpoint
virtual int create_B (AVStreams::StreamEndPoint_B_ptr &stream_endpoint,
AVStreams::VDev_ptr &vdev,
CORBA::Environment &env);
// Called by the MMDevice, when it needs to create a B type endpoint
};
// ----------------------------------------------------------------------
template <class T_StreamEndpoint, class T_VDev , class T_MediaCtrl>
class TAO_AV_Export TAO_AV_Child_Process
{
// = DESCRIPTION
// Helper class for the child process created in TAO_AV_Endpoint_Process_Strategy
public:
TAO_AV_Child_Process ();
// Constructor
virtual ~TAO_AV_Child_Process ();
// Destructor
int init (int argc, char **argv, CORBA::ORB_ptr orb, PortableServer::POA_ptr poa);
// Initializes the ORB, creates and activates the
// T_StreamEndpoint, T_VDev, T_MediaCtrl in the POA
int run (ACE_Time_Value *tv = 0);
// runs the ORB event loop
protected:
int activate_objects (int argc,
char **argv,
CORBA::Environment &env);
// Creates the objects and inserts them into the Naming
// Service, so the parent can pick the IOR's and
// return them to the client
char* activate_with_poa (PortableServer::Servant servant, CORBA::Environment &env);
//activate the servant with the poa
int unbind_names (void);
// Removes the vdev and streamendpoint names from the naming service.
int bind_to_naming_service (CORBA::Environment &env);
// Binds to the naming service
int register_vdev (CORBA::Environment &env);
// Registers vdev with the naming service
int register_stream_endpoint (CORBA::Environment &env);
// Registers stream_endpoint with the naming service
int release_semaphore ();
// Releases the semaphore on which the parent is waiting on
virtual int make_vdev (T_VDev *&vdev);
// Bridge method to create a vdev, a la Acceptor. Applications
// can override this
virtual int make_stream_endpoint (T_StreamEndpoint *&stream_endpoint);
// Bridge method to create a stream_endpoint, a la Acceptor. Applications
// can override this
virtual int make_mediactrl (T_MediaCtrl *&media_ctrl);
// Bridge method to create a media_ctrl, a la Acceptor. Applications
// can override this
CosNaming::NamingContext_var naming_context_;
// The root Naming Context of the TAO naming service
CosNaming::Name vdev_name_;
// Name of the vdev
CosNaming::Name stream_endpoint_name_;
// Name of the stream_endpoint
T_StreamEndpoint *stream_endpoint_;
// The stream endpoint member
T_VDev *vdev_;
// The virtual device
T_MediaCtrl *media_ctrl_;
// Media controller
pid_t pid_;
// pid of this process
char host_[MAXHOSTNAMELEN];
// Name of the host.
CORBA::ORB_ptr orb_;
PortableServer::POA_ptr poa_;
};
// ----------------------------------------------------------------------
template <class T_StreamEndpoint, class T_VDev , class T_MediaCtrl>
class TAO_AV_Export TAO_AV_Child_Process_A
: public TAO_AV_Child_Process <T_StreamEndpoint, T_VDev, T_MediaCtrl>
{
// = DESCRIPTION
// Helper class for the child process created in TAO_AV_Child_Process
public:
TAO_AV_Child_Process_A (void);
// Constructor.
virtual ~TAO_AV_Child_Process_A (void);
// Destructor.
};
// ----------------------------------------------------------------------
template <class T_StreamEndpoint, class T_VDev , class T_MediaCtrl>
class TAO_AV_Export TAO_AV_Child_Process_B
: public TAO_AV_Child_Process <T_StreamEndpoint, T_VDev, T_MediaCtrl>
{
// = DESCRIPTION
// Helper class for the child process created in TAO_AV_Child_Process
public:
TAO_AV_Child_Process_B (void);
// Constructor.
virtual ~TAO_AV_Child_Process_B (void);
// Destructor.
};
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "Endpoint_Strategy_T.cpp"
#endif /*ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Endpoint_Strategy_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#include "ace/post.h"
#endif /* TAO_AV_ENDPOINT_STRATEGY_T_H */
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