59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
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#ifndef _LIGHTTPD_MODULE_H_
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#define _LIGHTTPD_MODULE_H_
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#include "settings.h"
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#define MODULE_VERSION ((guint) 0x00000001)
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#define MODULE_VERSION_CHECK(mods) do { \
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if (mods->version != MODULE_VERSION) { \
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ERROR("Version mismatch for modules system: is %u, expected %u", mods->version, MODULE_VERSION); \
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return FALSE; \
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} } while(0)
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/** see module_load */
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#define MODULE_DEPENDS(mods, name) do { \
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if (!modules_load(mods, name)) { \
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ERROR("Couldn't load dependency '%s'", name); \
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return FALSE; \
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} } while(0)
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struct module;
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typedef struct module module;
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struct modules;
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typedef struct modules modules;
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/** Type of plugin_init function in modules */
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typedef gboolean (*ModuleInit)(modules *mods, module *mod);
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typedef gboolean (*ModuleFree)(modules *mods, module *mod);
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struct module {
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gint refcount; /**< count how often module is used. module gets unloaded if refcount reaches zero. */
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gchar *name; /**< name of module, can be set my plugin_init */
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GModule *module; /**< glib handle */
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gpointer config; /**< private module data */
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ModuleFree free; /**< if set by plugin_init it gets called before module is unloaded */
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};
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struct modules {
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guint version; /**< api version */
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GHashTable *mods; /**< hash table of modules */
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gpointer main; /**< pointer to a application specific main structure, e.g. server */
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};
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LI_API modules* modules_init(gpointer main);
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/** Loads a module if not loaded yet and returns the module struct for it (after increasing refcount)
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* returns NULL if it couldn't load the module.
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*
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* You should release modules after you used them with module_release or module_release_name */
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LI_API module* module_load(modules *mods, const gchar* name);
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LI_API void module_acquire(module *mod);
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LI_API void module_release(modules *mods, module *module);
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LI_API void module_release_name(modules *mods, const char* name);
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#endif
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