1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
use std::path::Path;
use async_trait::async_trait;
use tokio::io::{AsyncReadExt};
use tokio::fs::File;
use tokio::sync::Mutex;
use crate::{internal_error_map, error::*};
#[async_trait]
pub trait ConfigParser<T>
{
async fn parse_config() -> CDnsResult<T>;
fn get_file_path() -> &'static Path;
fn is_default(&self) -> bool;
}
pub(super) async
fn read_file(path: &str) -> CDnsResult<String>
{
let mut file =
File::open(path).await
.map_err(|e| internal_error_map!(CDnsErrorType::InternalError, "{}", e))?;
let mut file_content: String = String::new();
file.read_to_string(&mut file_content).await
.map_err(|e| internal_error_map!(CDnsErrorType::InternalError, "{}", e))?;
return Ok(file_content);
}