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#ifndef MODULE_H
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#define MODULE_H
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/**
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* @file
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*
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* Dynamically loadable modules for use with nexus
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*/
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#include "nexus.h"
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#include "error.h"
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#include <sys/queue.h>
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/**
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* Information required to load/identify a module.
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*/
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struct module_info {
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/** Human-readable name */
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const char *name;
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/** Filesystem path to the .so */
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const char *path;
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};
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/**
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* A loaded module.
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*/
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struct module {
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/** The identifying info for the module */
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struct module_info info;
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/** The module context object */
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void *ctx;
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/** Our entry in the list of modules */
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TAILQ_ENTRY(module) ctx_modules;
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};
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/**
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* A set of loaded modules, and functionality to load more
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*/
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struct modules {
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/** The nexus in use */
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struct nexus *nexus;
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/** List of loaded modules */
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TAILQ_HEAD(module_ctx_modules, module) modules;
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};
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/**
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* Module initialization function type
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*/
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typedef void* (*module_init_func_t) (struct nexus *nexus, struct error_info *err);
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/**
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* Create a new modules state
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*/
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err_t modules_create (struct modules **modules_ptr, struct nexus *nexus);
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/**
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* Load a new module.
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*/
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err_t module_load (struct moduels *modules, struct module **module, const struct module_info *info, struct error_info *err);
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/**
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* Unload a module
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*/
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err_t module_unload (struct module *module);
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#endif
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