Function mod_init

modules/sockets_mgm/sockets_mgm.c:167–237

* init module function */

 * init module function
 */
static int mod_init(void)
{
	LM_NOTICE("initializing sockets management module ...\n");

	/* if not specified, it means that it had never been done anything */
	init_db_url(sock_mgm_db_url , 1 /*can be null*/);

	sock_mgm_table.len = strlen(sock_mgm_table.s);
	sock_mgm_socket_col.len = strlen(sock_mgm_socket_col.s);
	sock_mgm_adv_col.len = strlen(sock_mgm_adv_col.s);
	sock_mgm_tag_col.len = strlen(sock_mgm_tag_col.s);
	sock_mgm_flags_col.len = strlen(sock_mgm_flags_col.s);
	sock_mgm_tos_col.len = strlen(sock_mgm_tos_col.s);

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

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

	sock_mgm_db_con = sock_mgm_db_func.init(&sock_mgm_db_url);
	if (!sock_mgm_db_con) {
		LM_ERR("Failed to connect to database\n");
		return -1;
	}

	/*verify table versions */
	if(db_check_table_version(&sock_mgm_db_func, sock_mgm_db_con,
			&sock_mgm_table, SOCKETS_MGM_TABLE_VERSION) < 0) {
		LM_ERR("error during table version check\n");
		return -1;
	}

	sock_mgm_version = shm_malloc(sizeof *sock_mgm_version);
	if (!sock_mgm_version) {
		LM_ERR("oom for sock_mgm_version\n");
		return -1;
	}
	*sock_mgm_version = 0;
	sock_mgm_proc_no = shm_malloc(sizeof *sock_mgm_proc_no);
	if (!sock_mgm_proc_no) {
		LM_ERR("oom for sock_mgm_proc_no\n");
		return -1;
	}
	*sock_mgm_proc_no = -1;
	sock_mgm_lock = lock_alloc();
	if (!sock_mgm_version || !lock_init(sock_mgm_lock)) {
		LM_ERR("initializing sock_mgm_version lock\n");
		return -1;
	}

	if (socketpair(AF_UNIX, SOCK_STREAM, 0, sock_mgm_unix) < 0) {
		LM_ERR("socketpair failed %d/%s\n",