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
51
52
53
54
55
56
57
58
59
|
// SPDX-FileCopyrightText: 2025 Tomasz Kramkowski <tomasz@kramkow.ski>
// SPDX-License-Identifier: GPL-3.0-or-later
use std::{collections::HashMap, fs, path::Path, process, time::Duration};
use rumqttc::{Client, Connection, MqttOptions};
use serde::Deserialize;
use crate::PROGRAM;
#[derive(Deserialize, Debug)]
pub struct Credentials {
pub username: String,
pub password: String,
}
fn default_host() -> String {
"localhost".to_string()
}
fn default_port() -> u16 {
1883
}
fn default_id() -> String {
PROGRAM.to_string()
}
#[derive(Deserialize, Debug)]
pub struct Config {
#[serde(default = "default_host")]
pub host: String,
#[serde(default = "default_port")]
pub port: u16,
pub credentials: Option<Credentials>,
#[serde(default = "default_id")]
pub id: String,
// TODO: Figure out a way to allow arbitrary unix paths (arbitrary
// non-unicode) without base64
pub routes: HashMap<String, Vec<Vec<String>>>,
}
impl Config {
pub fn mqtt_client(&self) -> (Client, Connection) {
let client_id = format!("{}_{}", self.id, process::id());
let mut options = MqttOptions::new(client_id, &self.host, self.port);
if let Some(credentials) = &self.credentials {
options.set_credentials(&credentials.username, &credentials.password);
}
options.set_keep_alive(Duration::from_secs(5));
options.set_max_packet_size(10 * 1024 * 1024, 10 * 1024 * 1024);
Client::new(options, 10)
}
}
pub fn load<P: AsRef<Path>>(path: P) -> anyhow::Result<Config> {
let config = fs::read_to_string(&path)?;
Ok(toml::from_str(&config)?)
}
|
