Function mod_init

modules/config/config.c:170–270

* init module function */

 * init module function
 */
static int mod_init(void)
{
	int n;
	str srg_data = str_init("no data loaded");
	int srg_status = SR_STATUS_NO_DATA;

	LM_NOTICE("initializing config module ...\n");
	init_db_url(config_db_url , 1 /*can be null*/);
	config_table.len = strlen(config_table.s);
	config_name_col.len = strlen(config_name_col.s);
	config_value_col.len = strlen(config_value_col.s);
	config_desc_col.len = strlen(config_desc_col.s);

	if(db_bind_mod(&config_db_url, &config_db_func) == -1) {
		LM_ERR("Failed bind to database\n");
		return -1;
	}

	if (!DB_CAPABILITY(config_db_func, DB_CAP_QUERY|DB_CAP_FETCH|DB_CAP_INSERT_UPDATE)) {
		LM_ERR("Database module does not implement all functions"
				" needed by config module\n");
		return -1;
	}

	config_db_con = config_db_func.init(&config_db_url);
	if (!config_db_con) {
		LM_ERR("Failed to connect to database\n");
		return -1;
	}

	/*verify table versions */
	if(db_check_table_version(&config_db_func, config_db_con,
			&config_table, CONFIG_TABLE_VERSION) < 0) {
		LM_ERR("error during table version check\n");
		return -1;
	}

	config_lock = lock_alloc();
	if (!config_lock || !lock_init(config_lock)) {
		LM_ERR("could not allocate config lock\n");
		return -1;
	}

	config_srg = sr_register_group( CHAR_INT("config"), 0 /*not public*/);
	if (!config_srg) {
		LM_ERR("failed to create config group for 'status-report'\n");
		return -1;
	}

	config_hash = shm_malloc(sizeof *config_hash);
	if (!config_hash) {
		LM_ERR("oom for config_hash\n");
		return -1;
	}
	*config_hash = 0;

	if (config_rpm_enable) {
		/* if we are using cache, we need to fetch our dr zone */