actix-live-reload.rs

#![cfg_attr(feature = "nightly", deny(missing_docs))]
#![cfg_attr(feature = "nightly", feature(external_doc))]
#![cfg_attr(feature = "nightly", doc(include = "../README.md"))]
#![cfg_attr(test, deny(warnings))]
#![cfg_attr(test, feature(plugin))]
#![cfg_attr(test, plugin(clippy))]

#[macro_use]
extern crate structopt;
extern crate actix_web;
extern crate failure;
extern crate listenfd;
extern crate access;

use actix_web::{server};
use failure::Error;
use listenfd::ListenFd;
use structopt::StructOpt;
use access::create_app;

#[derive(StructOpt, Debug)]
struct Opts {
  /// TCP port to listen to.
  #[structopt(short = "p", default_value = "8080")]
  port: usize,
}

fn main() -> Result<(), Error> {
  let opts = Opts::from_args();

  let server = server::new(create_app);
  let mut listenfd = ListenFd::from_env();
  let server = if let Some(listener) = listenfd.take_tcp_listener(0)? {
    let url = format!("127.0.0.1:{}", listener.local_addr()?.port());
    let server = server.listen(listener);
    println!("listening on {}", &url);
    server
  } else {
    let url = format!("127.0.0.1:{}", opts.port);
    let server = server.bind(&url)?;
    println!("listening on {}", &url);
    server
  };

  server.run();
  Ok(())
}