1 files changed, 26 insertions, 0 deletions
diff --git a/third_party/rust/warp/src/filters/addr.rs b/third_party/rust/warp/src/filters/addr.rs
new file mode 100644
index 0000000000..3d630705a1
--- /dev/null
+++ b/third_party/rust/warp/src/filters/addr.rs
@@ -0,0 +1,26 @@
+//! 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()))
+}