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//$Id$
#ifndef CONNECTION_SETUP_HELPER_H
#define CONNECTION_SETUP_HELPER_H
// ============================================================================
//
// = LIBRARY
// TAO/orbsvcs/tests/AVStreams/Three_Stage
//
// = FILENAME
// Connection_Setup_Helper.h
//
// = DESCRIPTION
// This is a helper class that allows the senders bind to multiple receivers
// and receivers to bind to senders. It also lets the senders and receivers
// disconnect the streams set up.
//
// = AUTHOR
// Yamuna Krishnamurthy <yamuna@cs.wustl.edu>
//
// ============================================================================
#include "orbsvcs/Naming/Naming_Utils.h"
#include "orbsvcs/AV/AVStreams_i.h"
#include "orbsvcs/AV/Protocol_Factory.h"
#include "tao/PortableServer/PortableServer.h"
class Recv_Obj_Ref_Item
{
// = TITLE
// Defines a class which stores the receiver device name
// and its reference.
//
// = DESCRIPTION
// This class defines a component to store the receiver
// device name and refernce.
public:
ACE_CString name;
// Receiver MMDevice Name
AVStreams::MMDevice_var ref;
// Receiver MMDevice Object Reference
};
class StreamCtrl_Item
{
// = TITLE
// Defines a class which stores the flow name
// and the corresponding stream controller
//
// = DESCRIPTION
// This class defines a component to store the flow name
// and the corresponding stream controller
public:
ACE_CString flowname;
// The name of the stream
TAO_StreamCtrl *streamctrl;
// The corresponding stream controller
};
class Protocol_Object_Item
{
// = TITLE
// Defines a class which stores the flow name
// and the corresponding protocol object
//
// = DESCRIPTION
// This class defines a component to store the flow name
// and the corresponding protocol object
public:
ACE_CString flowname;
// Name of the stream
TAO_AV_Protocol_Object* protocol_object;
// The corresponding protocol object
};
class StreamEndpoint_Item
{
// = TITLE
// Defines a class which stores the flow name
// and the corresponding stream endpoint
//
// = DESCRIPTION
// This class defines a component to store the flow name
// and the corresponding streamendpoint
public:
ACE_CString flowname;
// The name of the stream
TAO_StreamEndPoint* endpoint;
// The corresponding stream enpoint
};
// Set of receiver device names and thier object refences
typedef ACE_Unbounded_Set <Recv_Obj_Ref_Item*> Recv_Obj_Ref_Set;
typedef ACE_Unbounded_Set_Iterator <Recv_Obj_Ref_Item*> Recv_Obj_Ref_Set_Itor;
// Set of flow names and the corresponding protocol objects
typedef ACE_Unbounded_Set <Protocol_Object_Item*> Protocol_Object_Set;
typedef ACE_Unbounded_Set_Iterator <Protocol_Object_Item*> Protocol_Object_Set_Itor;
// Set of flow names and the corresponding stream endpoints
typedef ACE_Unbounded_Set <StreamEndpoint_Item*> StreamEndpoint_Set;
typedef ACE_Unbounded_Set_Iterator <StreamEndpoint_Item*> StreamEndpoint_Set_Itor;
// Hash map of flow names and corresponding stream controllers.
typedef ACE_Hash_Map_Manager <TAO_String_Hash_Key, StreamCtrl_Item*, ACE_Null_Mutex> StreamCtrl_Map;
typedef ACE_Hash_Map_Iterator <TAO_String_Hash_Key, StreamCtrl_Item*, ACE_Null_Mutex> StreamCtrl_Map_Iterator;
typedef ACE_Hash_Map_Entry <TAO_String_Hash_Key, StreamCtrl_Item*> StreamCtrl_Map_Entry;
class Connection_Setup_Helper
{
// = TITLE
// Defines the Connection Setup Helper Class.
//
// = DESCRIPTION
// This is a helper class that allows the senders bind to multiple receivers
// and receivers to bind to senders. It also lets the senders and receivers
// disconnect the streams set up.
public:
Connection_Setup_Helper (void);
// Constructor
~Connection_Setup_Helper (void);
// Destructor
int init (CORBA::ORB_ptr orb, PortableServer::POA_ptr poa);
// Initialize the helper
int bind_to_receivers (ACE_CString *sender_device_name,
AVStreams::MMDevice_ptr sender_mmdevice_obj,
Recv_Obj_Ref_Set &recv_obj_ref_set,
CORBA::Environment& ACE_TRY_ENV);
// Method that binds the client to the Naming Service and retreives
// the references of the receivers
int connect_to_receivers (ACE_CString *sender_device_name,
ACE_CString *flow_protocol_str,
ACE_CString *protocol,
ACE_CString *host_address,
AVStreams::MMDevice_ptr sender_mmdevice_obj,
Recv_Obj_Ref_Set *recv_obj_ref_set,
StreamCtrl_Map &streamctrl_map,
CORBA::Environment&);
//Method that sets up connections between the sender and receivers
int bind_to_sender (ACE_CString *sender_device_name,
ACE_CString *receiver_device_name,
AVStreams::MMDevice_ptr &sender_mmdevice_obj,
AVStreams::MMDevice_ptr receiver_mmdevice_obj,
CORBA::Environment&);
// Bind receiver to the sender
int connect_to_sender (ACE_CString *sender_device_name,
ACE_CString *receiver_device_name,
ACE_CString *flow_protocol_str,
ACE_CString *protocol,
ACE_CString *host_address,
AVStreams::MMDevice_ptr &sender_mmdevice_obj,
AVStreams::MMDevice_ptr receiver_mmdevice_obj,
StreamCtrl_Map &streamctrl_map,
CORBA::Environment &ACE_TRY_ENV);
// Connect the receiver with the sender
int disconnect (StreamEndpoint_Set *endpoint_set,
StreamCtrl_Map *streamctrl_map,
CORBA::Environment&);
// Disconnect all the streams
int disconnect (AVStreams::flowSpec &flowspec,
StreamEndpoint_Set *endpoint_set,
StreamCtrl_Map *streamctrl_map,
CORBA::Environment&);
// Disconnect all the streams
protected:
int create_recv_obj_ref_list (CosNaming::BindingList &bl,
ACE_CString *sender_device_name,
Recv_Obj_Ref_Set &recv_obj_ref_set,
CORBA::Environment& ACE_TRY_ENV);
// Retrieve the receiver device names and the corresponding object
// references and store them in the recv_obj_ref_set
TAO_Naming_Client my_naming_client_;
// The Naming Service client.
CORBA::ORB_var orb_;
PortableServer::POA_var poa_;
};
#endif /*CONNECTION_SETUP_HELPER_H*/
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