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// -*- C++ -*-
//=============================================================================
/**
* @file Protocol_Factory.h
*
* @author Nagarajan Surendran <naga@cs.wustl.edu>
*/
//=============================================================================
#ifndef TAO_AV_PROTOCOL_FACTORY_T_H
#define TAO_AV_PROTOCOL_FACTORY_T_H
#include /**/ "ace/pre.h"
#include "orbsvcs/AV/FlowSpec_Entry.h"
#include "orbsvcs/AV/Policy.h"
#include "ace/Service_Object.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class TAO_AV_Protocol_Object
* @brief
*/
class TAO_AV_Export TAO_AV_Protocol_Object
{
public:
TAO_AV_Protocol_Object ();
/// constructor.
TAO_AV_Protocol_Object (TAO_AV_Callback *callback,
TAO_AV_Transport *transport);
/// Destructor
virtual ~TAO_AV_Protocol_Object ();
virtual int open (TAO_AV_Callback *callback,
TAO_AV_Transport *transport);
virtual int handle_input (void) = 0;
/// Called on a control object.
virtual int handle_control_input (ACE_Message_Block *control_frame,
const ACE_Addr &peer_address);
/// set/get policies.
virtual int set_policies (const TAO_AV_PolicyList &policy_list);
virtual TAO_AV_PolicyList get_policies ();
/// start/stop the flow.
virtual int start ();
virtual int stop ();
/// send a data frame.
virtual int send_frame (ACE_Message_Block *frame,
TAO_AV_frame_info *frame_info = 0) = 0;
/// send a frame in iovecs.
virtual int send_frame (const iovec *iov,
int iovcnt,
TAO_AV_frame_info *frame_info = 0) = 0;
virtual int send_frame (const char *buf,
size_t len) = 0;
/// end the stream.
virtual void control_object (TAO_AV_Protocol_Object *object);
virtual int destroy (void) = 0;
TAO_AV_Transport *transport ();
protected:
TAO_AV_Transport *transport_;
TAO_AV_PolicyList policy_list_;
TAO_AV_Callback *callback_;
};
/**
* @class TAO_AV_Flow_Protocol_Factory
* @brief
*/
class TAO_AV_Export TAO_AV_Flow_Protocol_Factory : public ACE_Service_Object
{
public:
/// Initialization hook.
TAO_AV_Flow_Protocol_Factory ();
virtual ~TAO_AV_Flow_Protocol_Factory ();
virtual int init (int argc, ACE_TCHAR *argv[]);
virtual int match_protocol (const char *flow_string);
virtual TAO_AV_Protocol_Object* make_protocol_object (TAO_FlowSpec_Entry *entry,
TAO_Base_StreamEndPoint *endpoint,
TAO_AV_Flow_Handler *handler,
TAO_AV_Transport *transport);
virtual const char *control_flow_factory ();
int ref_count;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_AV_PROTOCOL_FACTORY_T_H */
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