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mirror of https://gitlab.com/comunic/comunicapiv3 synced 2025-01-07 03:12:36 +00:00
comunicapiv3/src/data/config.rs

104 lines
2.9 KiB
Rust

use std::error::Error;
use yaml_rust::{Yaml, YamlLoader};
/// Server configuration
///
/// @author Pierre Hubert
#[derive(Debug)]
pub struct DatabaseConfig {
pub host: String,
pub name: String,
pub username: String,
pub password: String,
pub log_all_queries: bool,
}
#[derive(Debug)]
pub struct Config {
pub port: i32,
pub listen_address: String,
pub storage_url: String,
pub storage_path: String,
pub database: DatabaseConfig,
pub proxy: Option<String>,
pub force_https: bool,
}
/// Globally available configuration
static mut CONF: Option<Config> = None;
impl Config {
fn yaml_i32(parsed: &Yaml, name: &str) -> i32 {
parsed[name].as_i64().expect(format!("{} is missing (int)", name).as_str()) as i32
}
fn yaml_str(parsed: &Yaml, name: &str) -> String {
parsed[name].as_str().expect(format!("{} is missing (str)", name).as_str()).to_string()
}
fn yaml_bool(parsed: &Yaml, name: &str) -> bool {
parsed[name].as_bool().expect(format!("{} is missing (bool)", name).as_str())
}
/// Load the configuration from a given path
pub fn load(path: &str) -> Result<(), Box<dyn Error>> {
// Read & parse configuration
let conf_str = std::fs::read_to_string(path)?;
let parsed = YamlLoader::load_from_str(&conf_str)?;
if parsed.len() != 1 {
panic!("parsed.len() != 1");
}
let parsed = &parsed[0];
// Read configuration
let parsed_db = &parsed["database"];
let database_conf = DatabaseConfig {
host: Config::yaml_str(parsed_db, "host"),
name: Config::yaml_str(parsed_db, "name"),
username: Config::yaml_str(parsed_db, "username"),
password: Config::yaml_str(parsed_db, "password"),
log_all_queries: Config::yaml_bool(parsed_db, "log_all_queries"),
};
let proxy = Config::yaml_str(parsed, "proxy");
let conf = Config {
port: Config::yaml_i32(parsed, "server-port") as i32,
listen_address: Config::yaml_str(parsed, "server-address"),
storage_url: Config::yaml_str(parsed, "storage-url"),
storage_path: Config::yaml_str(parsed, "storage-path"),
database: database_conf,
proxy: match proxy.as_ref() {
"none" => None,
s => Some(s.to_string())
},
force_https: Config::yaml_bool(parsed, "force-https"),
};
// Save new configuration in memory
unsafe {
CONF = Some(conf);
}
Ok(())
}
/// Get the address this server listen to
pub fn server_listen_address(&self) -> String {
format!("{}:{}", self.listen_address, self.port)
}
}
/// Get an instance of the configuration
pub fn conf() -> &'static Config {
unsafe {
return &CONF.as_ref().unwrap();
}
}