void ao_shutdown(void)
{
driver_list *driver = driver_head;
driver_list *next_driver;
if (!driver_head) return;
/* unload and free all the drivers */
while (driver) {
if (driver->handle) {
#ifndef STRIP_PLUGINS
dlclose(driver->handle);
#endif
free(driver->functions); /* DON'T FREE STATIC FUNC TABLES */
}
next_driver = driver->next;
free(driver);
driver = next_driver;
}
free(info_table);
_clear_config();
/* NULL out driver_head or ao_initialize() won't work */
driver_head = NULL;
}
/*
* fini() is called when the plugin is unloaded. Free all memory.
*/
extern int fini(void)
{
pthread_mutex_lock(&bb_mutex);
if (debug_flag)
info("%s: %s", __func__, plugin_type);
_clear_config();
_clear_cache();
pthread_mutex_unlock(&bb_mutex);
return SLURM_SUCCESS;
}
/* Load and process BurstBufferParameters configuration parameter */
static void _load_config(void)
{
s_p_hashtbl_t *bb_hashtbl = NULL;
char *bb_conf, *tmp = NULL, *value;
static s_p_options_t bb_options[] = {
{"AllowUsers", S_P_STRING},
{"DenyUsers", S_P_STRING},
{"GetSysState", S_P_STRING},
{"JobSizeLimit", S_P_STRING},
{"StagedInPrioBoost", S_P_UINT32},
{"StartStageIn", S_P_STRING},
{"StartStageOut", S_P_STRING},
{"StopStageIn", S_P_STRING},
{"StopStageOut", S_P_STRING},
{"UserSizeLimit", S_P_STRING},
{NULL}
};
_clear_config();
if (slurm_get_debug_flags() & DEBUG_FLAG_BURST_BUF)
debug_flag = true;
bb_conf = get_extra_conf_path("burst_buffer.conf");
bb_hashtbl = s_p_hashtbl_create(bb_options);
if (s_p_parse_file(bb_hashtbl, NULL, bb_conf, false) == SLURM_ERROR)
fatal("something wrong with opening/reading %s: %m", bb_conf);
if (s_p_get_string(&allow_users_str, "AllowUsers", bb_hashtbl))
allow_users = _parse_users(allow_users_str);
if (s_p_get_string(&deny_users_str, "DenyUsers", bb_hashtbl))
deny_users = _parse_users(deny_users_str);
s_p_get_string(&get_sys_state, "GetSysState", bb_hashtbl);
if (s_p_get_string(&tmp, "JobSizeLimit", bb_hashtbl)) {
job_size_limit = _get_size_num(tmp);
xfree(tmp);
}
s_p_get_uint32(&prio_boost, "StagedInPrioBoost", bb_hashtbl);
s_p_get_string(&start_stage_in, "StartStageIn", bb_hashtbl);
s_p_get_string(&start_stage_out, "StartStageOut", bb_hashtbl);
s_p_get_string(&stop_stage_in, "StopStageIn", bb_hashtbl);
s_p_get_string(&stop_stage_out, "StopStageOut", bb_hashtbl);
if (s_p_get_string(&tmp, "UserSizeLimit", bb_hashtbl)) {
user_size_limit = _get_size_num(tmp);
xfree(tmp);
}
s_p_hashtbl_destroy(bb_hashtbl);
xfree(bb_conf);
if (debug_flag) {
value = _print_users(allow_users);
info("%s: AllowUsers:%s", __func__, value);
xfree(value);
value = _print_users(deny_users);
info("%s: DenyUsers:%s", __func__, value);
xfree(value);
info("%s: GetSysState:%s", __func__, get_sys_state);
info("%s: JobSizeLimit:%u", __func__, job_size_limit);
info("%s: StagedInPrioBoost:%u", __func__, prio_boost);
info("%s: StartStageIn:%s", __func__, start_stage_in);
info("%s: StartStageOut:%s", __func__, start_stage_out);
info("%s: StopStageIn:%s", __func__, stop_stage_in);
info("%s: StopStageOut:%s", __func__, stop_stage_out);
info("%s: UserSizeLimit:%u", __func__, user_size_limit);
}
}