Source code
Revision control
Copy as Markdown
Other Tools
//! Socket Address filters.
use std::convert::Infallible;
use std::net::SocketAddr;
use crate::filter::{filter_fn_one, Filter};
/// Creates a `Filter` to get the remote address of the connection.
///
/// If the underlying transport doesn't use socket addresses, this will yield
/// `None`.
///
/// # Example
///
/// ```
/// use std::net::SocketAddr;
/// use warp::Filter;
///
/// let route = warp::addr::remote()
/// .map(|addr: Option<SocketAddr>| {
/// println!("remote address = {:?}", addr);
/// });
/// ```
pub fn remote() -> impl Filter<Extract = (Option<SocketAddr>,), Error = Infallible> + Copy {
filter_fn_one(|route| futures_util::future::ok(route.remote_addr()))
}