Function lb_reload_data

modules/load_balancer/load_balancer.c:316–347

static inline int lb_reload_data( void )
{
	struct lb_data *new_data;
	struct lb_data *old_data;

	new_data = load_lb_data();
	if ( new_data==0 ) {
		LM_CRIT("failed to load load-balancing info\n");
		return -1;
	}

	lock_start_write( ref_lock );

	/* no more activ readers -> do the swapping */
	old_data = *curr_data;
	*curr_data = new_data;

	lock_stop_write( ref_lock );

	/* destroy old data */
	if (old_data) {
		/* copy the state of the destinations from the old set
		 * (for the matching ids) */
		lb_inherit_state( old_data, new_data);
		free_lb_data( old_data );
	}

	/* generate new blacklist from the routing info */
	populate_lb_bls((*curr_data)->dsts);

	return 0;
}