http-server 0.0.2

A dead simple http server for serving local files for development purposes
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extern crate iron;
extern crate staticfile;
extern crate mount;
use std::path::Path;
use iron::Iron;
use staticfile::Static;
use mount::Mount;
extern crate structopt;
#[macro_use]
extern crate structopt_derive;

use structopt::StructOpt;

#[derive(StructOpt, Debug)]
#[structopt(name = "http-server", about = "A simple tool for hosting a static file server")]
struct Opt {
    /// A flag, true if used in the command line.
    #[structopt(short = "p", long = "port", help = "Port to host website on",  default_value = "8080")]
    port: u16,

    /// Needed parameter, the first on the command line.
    #[structopt(help = "Input file", default_value = "./")]
    input: String,
}

fn main() {
    let opt = Opt::from_args();
    let mut mount = Mount::new();
    let path = Path::new(&opt.input);
    if !path.exists() {
            println!("Path \"{}\" does not exist.",&opt.input);
            return;
    }
    if !path.is_dir() {
            println!("Path \"{}\" is not a directory.",&opt.input);
            return;
    }
    println!("Starting up http-server, serving {}",&opt.input);
    mount.mount("/", Static::new(path));
    println!("Available on:");
    let s = format!("  http://localhost:{}/",opt.port);
    println!("{}",s);
    println!("Hit CTRL-C to stop the server");
    Iron::new(mount).http(format!("127.0.0.1:{}",opt.port)).unwrap();
}