feat(server): add AddrIncoming::from_listener constructor (#2439)

Author: zonyitoo

src/server/tcp.rs

@@ -36,6 +36,16 @@ impl AddrIncoming {
  .set_nonblocking(true)
  .map_err(crate::Error::new_listen)?;
  let listener = TcpListener::from_std(std_listener).map_err(crate::Error::new_listen)?;
+ AddrIncoming::from_listener(listener)
+ }
+
+ /// Creates a new `AddrIncoming` binding to provided socket address.
+ pub fn bind(addr: &SocketAddr) -> crate::Result<Self> {
+ AddrIncoming::new(addr)
+ }
+
+ /// Creates a new `AddrIncoming` from an existing `tokio::net::TcpListener`.
+ pub fn from_listener(listener: TcpListener) -> crate::Result<Self> {
  let addr = listener.local_addr().map_err(crate::Error::new_listen)?;
  Ok(AddrIncoming {
  listener,
@@ -47,11 +57,6 @@ impl AddrIncoming {
  })
  }
 
- /// Creates a new `AddrIncoming` binding to provided socket address.
- pub fn bind(addr: &SocketAddr) -> crate::Result<Self> {
- AddrIncoming::new(addr)
- }
-
  /// Get the local address bound to this listener.
  pub fn local_addr(&self) -> SocketAddr {
  self.addr