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use crate::config::Config;
use crate::error::{AppError, AppResult};
use crate::ip_service::IpService;
use clap::Parser;
use homedir::my_home;
use log::info;
use reqwest::ClientBuilder;
use std::path::PathBuf;
use std::process::exit;
mod config;
mod dyndns_service;
mod error;
mod ip_service;
#[cfg(test)]
mod test_macros;
#[derive(Parser, Debug)]
#[command(ignore_errors(true), version, about, long_about = None)]
struct Args {
#[arg(short, long)]
config_file: Option<PathBuf>,
}
impl Args {
fn get_config_files(&self) -> Vec<PathBuf> {
match self.config_file {
Some(ref config_file) => vec![config_file.to_path_buf()],
None => DefaultConfigFile::default().paths,
}
}
}
struct DefaultConfigFile {
paths: Vec<PathBuf>,
}
impl DefaultConfigFile {
fn user_home_config() -> AppResult<Option<PathBuf>> {
let home = my_home().map_err(AppError::UnableToGetHomeDirectory)?;
match home {
None => Ok(None),
Some(mut path) => {
path.push(".config/multiwan-dyndns/config.json");
Ok(Some(path))
}
}
}
}
impl Default for DefaultConfigFile {
fn default() -> Self {
let mut paths = Vec::new();
paths.push(PathBuf::from("/etc/multiwan-dyndns.json"));
if let Some(user_home) = Self::user_home_config().unwrap() {
paths.push(user_home);
}
Self { paths }
}
}
#[tokio::main]
async fn main() {
env_logger::init();
let args = Args::parse();
match run(args).await {
Ok(_) => exit(0),
Err(e) => {
log::error!("{}", e);
exit(1);
}
}
}
async fn run(args: Args) -> AppResult<()> {
let config = Config::load(args.get_config_files())?;
let client = ClientBuilder::new().build()?;
for network in config.networks {
let ip = network.ip_service.resolve(&client).await?;
info!("{:?}: {}", network.interface, ip);
// for dyndns in network.providers {
// DynDnsService::register(&dyndns, &ip)?;
// }
}
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
use homedir::my_home;
use std::ffi::OsString;
use std::iter;
use std::path::Path;
macro_rules! assert_contains_config {
($config:expr, $expected:expr) => {
assert!(
$config.contains(&$expected.to_path_buf()),
"Expected {} path {:?}\nActual paths: {:?}",
stringify!($expected),
$expected,
$config
);
};
}
test! {
fn verify_default_config_path_is_in_home_directory() {
let args = Args::parse_from(iter::empty::<OsString>());
let global_config = Path::new("/etc/multiwan-dyndns.json");
let user_config_path = format!("{}/.config/multiwan-dyndns/config.json", my_home()?.unwrap().to_string_lossy());
let user_config = Path::new(&user_config_path);
let actual = args.get_config_files();
assert_contains_config!(actual, user_config);
assert_contains_config!(actual, global_config);
}
}
#[tokio::test]
async fn verify_it_actually_runs() {
let args = vec!["multiwan-dyndns", "--config-file", "test/noop.json"];
run(Args::parse_from(args)).await.expect("app didn't run!");
}
}
|
