cdns_rs/a_sync/
cfg_host_parser.rs

1/*-
2 * cdns-rs - a simple sync/async DNS query library
3 * 
4 * Copyright (C) 2020  Aleksandr Morozov
5 * 
6 * Copyright 2025 Aleksandr Morozov
7 * 
8 * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by
9 * the European Commission - subsequent versions of the EUPL (the "Licence").
10 * 
11 * You may not use this work except in compliance with the Licence.
12 * 
13 * You may obtain a copy of the Licence at:
14 * 
15 *    https://joinup.ec.europa.eu/software/page/eupl
16 * 
17 * Unless required by applicable law or agreed to in writing, software
18 * distributed under the Licence is distributed on an "AS IS" basis, WITHOUT
19 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
20 * Licence for the specific language governing permissions and limitations
21 * under the Licence.
22 */
23
24/// This file contains the config file parsers.
25
26
27use std::path::Path;
28
29use async_trait::async_trait;
30
31use crate::cfg_host_parser::HostConfig;
32use crate::error::*;
33
34
35use super::caches::CacheOperations;
36use super::cfg_parsers::{ConfigParser, read_file};
37use super::common::{ HOST_CFG_PATH, HOST_CFG_PATH_P };
38use super::log::async_log_writer;
39
40/// An /etc/hosts file parser
41
42
43impl CacheOperations for HostConfig
44{
45    fn is_reload_allowed(&self) -> bool 
46    {
47        return true;
48    }
49}
50
51
52#[async_trait]
53impl ConfigParser<HostConfig> for HostConfig
54{
55    async
56    fn parse_config() -> CDnsResult<Self>
57    {
58        let mut writer = Writer::new();
59
60        let file_content = read_file(HOST_CFG_PATH).await?;
61        
62        let ret = Self::parse_host_file_internal(file_content, &mut writer);
63
64        async_log_writer(writer).await;
65
66        return ret;
67    }
68
69    fn get_file_path() -> &'static Path
70    {
71        return &HOST_CFG_PATH_P;
72    }
73
74    fn is_default(&self) -> bool
75    {
76        return self.is_empty();
77    }
78}
79
cdns_rs/a_sync/cfg_host_parser.rs

cdns_rs/a_sync/
cfg_host_parser.rs
