feat(client): HttpConnector: allow to set socket buffer sizes

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>

src/client/connect/http.rs

@@ -35,6 +35,8 @@ pub struct HttpConnector<R = GaiResolver> {
  nodelay: bool,
  resolver: R,
  reuse_address: bool,
+ send_buf_size: Option<usize>,
+ recv_buf_size: Option<usize>,
 }
 
 /// Extra information about the transport when an HttpConnector is used.
@@ -124,6 +126,8 @@ impl<R> HttpConnector<R> {
  nodelay: false,
  resolver,
  reuse_address: false,
+ send_buf_size: None,
+ recv_buf_size: None,
  }
  }
 
@@ -161,6 +165,18 @@ impl<R> HttpConnector<R> {
  self.nodelay = nodelay;
  }
 
+ /// Sets the value of the SO_SNDBUF option on the socket.
+ #[inline]
+ pub fn set_send_buf_size(&mut self, size: Option<usize>) {
+ self.send_buf_size = size;
+ }
+
+ /// Sets the value of the SO_RCVBUF option on the socket.
+ #[inline]
+ pub fn set_recv_buf_size(&mut self, size: Option<usize>) {
+ self.recv_buf_size = size;
+ }
+
  /// Set that all sockets are bound to the configured address before connection.
  ///
  /// If `None`, the sockets will not be bound.
@@ -248,6 +264,8 @@ where
  nodelay: self.nodelay,
  port,
  reuse_address: self.reuse_address,
+ send_buf_size: self.send_buf_size,
+ recv_buf_size: self.recv_buf_size,
  }
  }
 }
@@ -269,6 +287,8 @@ fn invalid_url<R: Resolve>(err: InvalidUrl, handle: &Option<Handle>) -> HttpConn
  port: 0,
  happy_eyeballs_timeout: None,
  reuse_address: false,
+ send_buf_size: None,
+ recv_buf_size: None,
  }
 }
 
@@ -304,6 +324,8 @@ pub struct HttpConnecting<R: Resolve = GaiResolver> {
  nodelay: bool,
  port: u16,
  reuse_address: bool,
+ send_buf_size: Option<usize>,
+ recv_buf_size: Option<usize>,
 }
 
 enum State<R: Resolve> {
@@ -353,6 +375,14 @@ impl<R: Resolve> Future for HttpConnecting<R> {
  sock.set_keepalive(Some(dur))?;
  }
 
+ if let Some(size) = self.send_buf_size {
+ sock.set_send_buffer_size(size)?;
+ }
+
+ if let Some(size) = self.recv_buf_size {
+ sock.set_recv_buffer_size(size)?;
+ }
+
  sock.set_nodelay(self.nodelay)?;
 
  let extra = HttpInfo {