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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ORBSVCS AVStreams
//
// = FILENAME
// Protocol_Factory
//
// = AUTHOR
// Nagarajan Surendran <naga@cs.wustl.edu>
//
//
// ============================================================================
#ifndef TAO_AV_PROTOCOL_FACTORY_T_H
#define TAO_AV_PROTOCOL_FACTORY_T_H
#include "ace/Service_Object.h"
#include "Policy.h"
#include "FlowSpec_Entry.h"
class TAO_AV_Export TAO_AV_Transport_Factory : public ACE_Service_Object
{
public:
TAO_AV_Transport_Factory (void);
virtual ~TAO_AV_Transport_Factory (void);
virtual int init (int argc, char *argv[]);
// Initialization hook.
virtual int match_protocol (const char *protocol_string);
virtual TAO_AV_Acceptor *make_acceptor (void);
virtual TAO_AV_Connector *make_connector (void);
};
class TAO_AV_Protocol_Object
{
public:
TAO_AV_Protocol_Object (void);
TAO_AV_Protocol_Object (TAO_AV_Callback *callback,
TAO_AV_Transport *transport);
// constructor.
virtual ~TAO_AV_Protocol_Object (void);
// Destructor
virtual int open (TAO_AV_Callback *callback,
TAO_AV_Transport *transport);
virtual int handle_input (void) = 0;
virtual int handle_control_input (ACE_Message_Block *control_frame,
const ACE_Addr &peer_address);
// Called on a control object.
virtual int set_policies (const TAO_AV_PolicyList &policy_list);
virtual TAO_AV_PolicyList get_policies (void);
// set/get policies.
virtual int start (void);
virtual int stop (void);
// start/stop the flow.
virtual int send_frame (ACE_Message_Block *frame,
TAO_AV_frame_info *frame_info = 0) = 0;
// send a data frame.
virtual int send_frame (const iovec *iov,
int iovcnt,
TAO_AV_frame_info *frame_info = 0) = 0;
// send a frame in iovecs.
virtual void control_object (TAO_AV_Protocol_Object *object);
virtual int destroy (void) = 0;
// end the stream.
TAO_AV_Transport *transport (void);
protected:
TAO_AV_Transport *transport_;
TAO_AV_PolicyList policy_list_;
TAO_AV_Callback *callback_;
};
class TAO_AV_Export TAO_AV_Flow_Protocol_Factory : public ACE_Service_Object
{
public:
TAO_AV_Flow_Protocol_Factory (void);
virtual ~TAO_AV_Flow_Protocol_Factory (void);
virtual int init (int argc, char *argv[]);
// Initialization hook.
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 (void);
};
#endif /* TAO_AV_PROTOCOL_FACTORY_T_H */
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