48778cf3d7
This ditches the old 'proof of concept' implementation, interfaces and plugins are internally separate now and publically only accessed over the 'interfaces' api. The interface registry now gets an additional 'plugin' member to backreference plugins from interfaces.
119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/*
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interfaceregistry.h - Lumiera interface registry
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Copyright (C) Lumiera.org
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2008, Christian Thaeter <ct@pipapo.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef LUMIERA_INTERFACEREGISTRY_H
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#define LUMIERA_INTERFACEREGISTRY_H
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#include "lib/mutex.h"
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#include "lib/psplay.h"
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#include "backend/interface.h"
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#include "backend/plugin.h"
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#include <nobug.h>
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/**
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* @file
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* Interface instances are published and activated by registering them
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* into a gloabl registry, which is defined here. This instances are identified
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* by their name and major version.
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*/
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NOBUG_DECLARE_FLAG (interface_all);
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NOBUG_DECLARE_FLAG (interfaceregistry);
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NOBUG_DECLARE_FLAG (interface);
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extern PSplay lumiera_interfaceregistry;
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extern lumiera_mutex lumiera_interface_mutex;
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/**
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* Interface management node.
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* All active interfaces managed through this node which contains the dynamic data for
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* dependency tracking and reference counting.
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*/
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typedef struct lumiera_interfacenode_struct lumiera_interfacenode;
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typedef lumiera_interfacenode* LumieraInterfacenode;
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struct lumiera_interfacenode_struct
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{
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/** all known interfaces are registered in a tree */
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psplaynode node;
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/** the interface itself */
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LumieraInterface interface;
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/** reference counters and link used for internal reference management */
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unsigned refcnt;
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/** backreference to its plugin if it comes from a plugin, else NULL */
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LumieraPlugin plugin;
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/** temporary used to stack interfaces when recursively opening/closing them */
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LumieraInterfacenode lnk;
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/** allocated size of the following deps table */
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size_t deps_size;
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/** NULL terminated table of all dependenncies (interfaces opened on initialization) */
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LumieraInterfacenode* deps;
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};
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extern lumiera_mutex lumiera_interface_mutex;
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/**
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* Initialize the interface registry
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*/
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void
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lumiera_interfaceregistry_init (void);
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void
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lumiera_interfaceregistry_destroy (void);
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void
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lumiera_interfaceregistry_register_interface (LumieraInterface self, LumieraPlugin plugin);
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void
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lumiera_interfaceregistry_bulkregister_interfaces (LumieraInterface* self, LumieraPlugin plugin);
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void
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lumiera_interfaceregistry_remove_interface (LumieraInterface self);
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void
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lumiera_interfaceregistry_bulkremove_interfaces (LumieraInterface* self);
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LumieraInterfacenode
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lumiera_interfaceregistry_interfacenode_find (const char* interface, unsigned version, const char* name);
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LumieraInterface
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lumiera_interfaceregistry_interface_find (const char* interface, unsigned version, const char* name);
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#endif /* LUMIERA_INTERFACEREGISTRY_H */
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/*
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// Local Variables:
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// mode: C
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// c-file-style: "gnu"
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// indent-tabs-mode: nil
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// End:
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*/
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