table_iterate_function(Connection *conn, void *arg)
{
    int ret = 0;
    table_iterate_info *pinfo = (table_iterate_info *)arg;
    pinfo->connection_count++;
    if (conn->c_private->operation_rate > pinfo->our_rate) {
        pinfo->rank_count++;
    }
    return ret;
}
table_iterate_function(Connection *conn, void *arg)
{
    int ret = 0;
    table_iterate_info *pinfo = (table_iterate_info *)arg;
    pinfo->connection_count++;
    if (conn->c_private->operation_rate > pinfo->our_rate) {
        pinfo->rank_count++;
    }
    return ret;
}