/**
* loads a plugin into the server.
*
* \see plugin, unload_plugin(), loaded_plugins()
*/
XzeroPlugin *XzeroDaemon::loadPlugin(const std::string& name, std::error_code& ec)
{
if (!pluginDirectory_.empty() && pluginDirectory_[pluginDirectory_.size() - 1] != '/')
pluginDirectory_ += "/";
std::string filename;
if (name.find('/') != std::string::npos)
filename = name + ".so";
else
filename = pluginDirectory_ + name + ".so";
std::string plugin_create_name("x0plugin_init");
#if !defined(XZERO_NDEBUG)
log(Severity::debug, "Loading plugin %s", filename.c_str());
#endif
Library lib;
ec = lib.open(filename);
if (!ec)
{
plugin_create_t plugin_create = reinterpret_cast<plugin_create_t>(lib.resolve(plugin_create_name, ec));
if (!ec)
{
XzeroPlugin *plugin = plugin_create(this, name);
pluginLibraries_[plugin] = std::move(lib);
return registerPlugin(plugin);
}
}
return nullptr;
}
DisplayPlugin *display_plugin_create (const char *path)
{
DisplayPlugin *display_plugin;
if (!path) {
error (InvalidArgument);
return NULL;
}
if (!(display_plugin = memory_create (sizeof (DisplayPlugin)))) {
error_code (FunctionCall, 1);
return NULL;
}
if (!(display_plugin->plugin = plugin_create (path))) {
memory_destroy (display_plugin);
error_code (FunctionCall, 2);
return NULL;
}
if (!(plugin_set_function (display_plugin->plugin,
(void **)&display_plugin->display_canvas,
"display_canvas"))) {
plugin_destroy (display_plugin->plugin);
memory_destroy (display_plugin);
error_code (FunctionCall, 3);
return NULL;
}
if (!display_plugin->plugin->load ()) {
plugin_destroy (display_plugin->plugin);
memory_destroy (display_plugin);
error_code (FunctionCall, 4);
return NULL;
}
return display_plugin;
}
/* ------------------------------------------------------------------------- */
PLUGIN_MENU_PUBLIC_API PLUGIN_INIT()
{
struct plugin_t* plugin;
/* init global data */
glob_create(game);
/* init plugin */
plugin = plugin_create(game,
PLUGIN_NAME,
PLUGIN_CATEGORY,
PLUGIN_AUTHOR,
PLUGIN_DESCRIPTION,
PLUGIN_WEBSITE
);
get_global(game)->plugin = plugin;
/* set plugin information - Change this in the file "CMakeLists.txt" */
plugin_set_programming_language(plugin,
PLUGIN_PROGRAMMING_LANGUAGE_C
);
plugin_set_version(plugin,
PLUGIN_VERSION_MAJOR,
PLUGIN_VERSION_MINOR,
PLUGIN_VERSION_PATCH
);
register_services(plugin);
register_events(plugin);
return plugin;
}
int sched_plugin_load (struct sched_plugin_loader *sploader, const char *s)
{
char *path = NULL;
char *name = NULL;
char *searchpath = getenv ("FLUX_MODULE_PATH");
void *dso = NULL;
if (sploader->plugin) {
errno = EEXIST;
goto error;
}
if (!searchpath) {
flux_log (sploader->h, LOG_ERR, "FLUX_MODULE_PATH not set");
goto error;
}
if (strchr (s, '/')) {
if (!(name = flux_modname (s))) {
flux_log (sploader->h, LOG_ERR, "%s: %s", s, dlerror ());
errno = ENOENT;
goto error;
}
if (!(path = strdup (s))) {
errno = ENOMEM;
goto error;
}
} else {
if (!(path = flux_modfind (searchpath, s))) {
flux_log (sploader->h, LOG_ERR,
"%s: not found in module search path %s", s, searchpath);
goto error;
}
if (!(name = flux_modname (path)))
goto error;
}
if (!(dso = dlopen (path, RTLD_NOW | RTLD_LOCAL | RTLD_DEEPBIND))) {
flux_log (sploader->h, LOG_ERR, "failed to open sched plugin: %s",
dlerror ());
goto error;
}
flux_log (sploader->h, LOG_DEBUG, "loaded: %s", name);
if (!(sploader->plugin = plugin_create (sploader->h, dso))) {
dlclose (dso);
goto error;
}
sploader->plugin->name = name;
sploader->plugin->path = path;
return 0;
error:
if (path)
free (path);
if (name)
free (name);
return -1;
}
/* ------------------------------------------------------------------------- */
char
plugin_manager_init(struct game_t* game)
{
/* init game's plugin container - this keeps track of all of the loaded
* plugins */
list_init_list(&game->plugins);
/* init core plugin */
game->core = plugin_create(game,
"lightship core",
"core",
"TheComet",
"Provides essential events and services to the game object",
"https://github.com/TheComet93/lightship"
);
if(!game->core)
return 0;
return 1;
}
