entity_registry.h

Go to the documentation of this file.

#ifndef CLIENT_REGISTRY_CLASS
#define CLIENT_REGISTRY_CLASS
 
/*****************************************************************************\
*                                                                             *
*  Name   : entity_registry                                                   *
*  Author : Chris Koeritz                                                     *
*                                                                             *
*******************************************************************************
* Copyright (c) 2002-$now By Author.  This program is free software; you can  *
* redistribute it and/or modify it under the terms of the GNU General Public  *
* License as published by the Free Software Foundation; either version 2 of   *
* the License or (at your option) any later version.  This is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/
 
#include <basis/astring.h>
#include <basis/byte_array.h>
#include <mathematics/chaos.h>
#include <timely/time_stamp.h>
#include <processes/safe_roller.h>
#include <sockets/tcpip_stack.h>
 
namespace octopi {
 
class octopus_entity;
 
 
class entity_registry
{
public:
  entity_registry();
  virtual ~entity_registry();
 
  virtual bool authorized(const octopus_entity &entity) = 0;
 
  virtual bool locate_entity(const octopus_entity &entity,
          timely::time_stamp &last_active, basis::byte_array &verification) = 0;
 
  virtual bool add_entity(const octopus_entity &entity,
          const basis::byte_array &verification) = 0;
 
  virtual bool refresh_entity(const octopus_entity &entity) = 0;
 
  virtual bool zap_entity(const octopus_entity &entity) = 0;
 
  virtual basis::astring text_form() = 0;
 
private:
  processes::safe_roller *_sequencer;  
  mathematics::chaos *_rando;  
  sockets::tcpip_stack *_stack;  
};
 
 
 
class blank_entity_registry : public entity_registry
{
public:
  bool authorized(const octopus_entity &formal(entity)) { return true; }
  bool locate_entity(const octopus_entity &entity,
          timely::time_stamp &last_active, basis::byte_array &verification);
  bool add_entity(const octopus_entity &formal(entity),
          const basis::byte_array &formal(verification)) { return true; }
  bool refresh_entity(const octopus_entity &formal(entity)) { return true; }
  bool zap_entity(const octopus_entity &formal(entity)) { return true; }
  basis::astring text_form();
};
 
} //namespace.
 
#endif