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use futures::future::Future as _;
use futures::stream::Stream as _;
use snafu::ResultExt as _;
#[derive(Debug, snafu::Snafu)]
pub enum Error {
#[snafu(display("failed to parse address: {}", source))]
ParseAddress { source: std::net::AddrParseError },
#[snafu(display("failed to bind: {}", source))]
Bind { source: tokio::io::Error },
}
pub type Result<T> = std::result::Result<T, Error>;
pub fn cmd<'a, 'b>(app: clap::App<'a, 'b>) -> clap::App<'a, 'b> {
app.about("Run a termcast server").arg(
clap::Arg::with_name("address")
.long("address")
.takes_value(true),
)
}
pub fn run<'a>(matches: &clap::ArgMatches<'a>) -> super::Result<()> {
run_impl(matches.value_of("address").unwrap_or("0.0.0.0:4144"))
.context(super::Server)
}
fn run_impl(address: &str) -> Result<()> {
let (mut sock_w, sock_r) = tokio::sync::mpsc::channel(1);
let addr = address.parse().context(ParseAddress)?;
let listener = tokio::net::TcpListener::bind(&addr).context(Bind)?;
let acceptor = listener
.incoming()
.map_err(|e| {
eprintln!("accept failed: {}", e);
})
.for_each(move |sock| {
sock_w.try_send(sock).map_err(|e| {
eprintln!("sending socket to manager thread failed: {}", e);
})
});
tokio::run(futures::future::lazy(move || {
let server = crate::server::Server::new(sock_r)
.map_err(|e| eprintln!("{}", e));
tokio::spawn(server);
acceptor.map(|_| ()).map_err(|_| ())
}));
Ok(())
}
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