Merge pull request #15 from fiag/tcp-options

Add TCP_NODELAY and TTL options.

Author: jbr

src/lib.rs

@@ -1,10 +1,10 @@
-//! tide tls listener built on async-tls and rustls
+//! tide tls listener built on async-rustls and rustls
 //!
 //!
 //! # Example
 //! ```rust
 //! # use tide_rustls::TlsListener;
-//! fn main() -> tide::Result<()> { async_std::task::block_on(async {
+//! # fn main() -> tide::Result<()> { async_std::task::block_on(async {
 //!     let mut app = tide::new();
 //!     app.at("/").get(|_| async { Ok("Hello tls") });
 //! # if false {
@@ -15,8 +15,7 @@
 //!             .key(std::env::var("TIDE_KEY_PATH").unwrap()),
 //!     )
 //!    .await?;
-//! # }
-//! # Ok(()) }) }
+//! # } Ok(()) }) }
 //! ```
 #![forbid(unsafe_code, future_incompatible)]
 #![deny(

src/tls_listener.rs

@@ -27,6 +27,8 @@ pub struct TlsListener<State> {
     connection: TcpConnection,
     config: TlsListenerConfig,
     server: Option<Server<State>>,
+    tcp_nodelay: Option<bool>,
+    tcp_ttl: Option<u32>,
 }
 
 impl<State> Debug for TlsListener<State> {
@@ -42,16 +44,25 @@ impl<State> Debug for TlsListener<State> {
                     &"None"
                 },
             )
+            .field("tcp_ttl", &self.tcp_ttl)
+            .field("tcp_nodelay", &self.tcp_nodelay)
             .finish()
     }
 }
 
 impl<State> TlsListener<State> {
-    pub(crate) fn new(connection: TcpConnection, config: TlsListenerConfig) -> Self {
+    pub(crate) fn new(
+        connection: TcpConnection,
+        config: TlsListenerConfig,
+        tcp_nodelay: Option<bool>,
+        tcp_ttl: Option<u32>,
+    ) -> Self {
         Self {
             connection,
             config,
             server: None,
+            tcp_nodelay,
+            tcp_ttl,
         }
     }
     /// The primary entrypoint to create a TlsListener. See
@@ -203,7 +214,17 @@ impl<State: Clone + Send + Sync + 'static> Listener<State> for TlsListener<State
                     continue;
                 }
 
-                Ok(stream) => handle_tls(server.clone(), stream, acceptor.clone()),
+                Ok(stream) => {
+                    if let Some(nodelay) = self.tcp_nodelay {
+                        stream.set_nodelay(nodelay)?;
+                    }
+
+                    if let Some(ttl) = self.tcp_ttl {
+                        stream.set_ttl(ttl)?;
+                    }
+
+                    handle_tls(server.clone(), stream, acceptor.clone())
+                }
             };
         }
         Ok(())

src/tls_listener_builder.rs

@@ -35,13 +35,27 @@ use std::sync::Arc;
 ///     .config(rustls::ServerConfig::new(rustls::NoClientAuth::new()))
 ///     .finish();
 /// ```
+///
+/// ```rust
+/// # use tide_rustls::TlsListener;
+/// let listener = TlsListener::<()>::build()
+///     .addrs("localhost:4433")
+///     .cert("./tls/localhost-4433.cert")
+///     .key("./tls/localhost-4433.key")
+///     .tcp_ttl(60)
+///     .tcp_nodelay(true)
+///     .finish();
+/// ```
+
 pub struct TlsListenerBuilder<State> {
     key: Option<PathBuf>,
     cert: Option<PathBuf>,
     config: Option<ServerConfig>,
     tls_acceptor: Option<Arc<dyn CustomTlsAcceptor>>,
     tcp: Option<TcpListener>,
     addrs: Option<Vec<SocketAddr>>,
+    tcp_nodelay: Option<bool>,
+    tcp_ttl: Option<u32>,
     _state: PhantomData<State>,
 }
 
@@ -54,6 +68,8 @@ impl<State> Default for TlsListenerBuilder<State> {
             tls_acceptor: None,
             tcp: None,
             addrs: None,
+            tcp_nodelay: None,
+            tcp_ttl: None,
             _state: PhantomData,
         }
     }
@@ -82,6 +98,8 @@ impl<State> std::fmt::Debug for TlsListenerBuilder<State> {
             )
             .field("tcp", &self.tcp)
             .field("addrs", &self.addrs)
+            .field("tcp_nodelay", &self.tcp_nodelay)
+            .field("tcp_ttl", &self.tcp_ttl)
             .finish()
     }
 }
@@ -148,6 +166,18 @@ impl<State> TlsListenerBuilder<State> {
         self
     }
 
+    /// Provides a TCP_NODELAY option for this tls listener.
+    pub fn tcp_nodelay(mut self, nodelay: bool) -> Self {
+        self.tcp_nodelay = Some(nodelay);
+        self
+    }
+
+    /// Provides a TTL option for this tls listener, in seconds.
+    pub fn tcp_ttl(mut self, ttl: u32) -> Self {
+        self.tcp_ttl = Some(ttl);
+        self
+    }
+
     /// finishes building a TlsListener from this TlsListenerBuilder.
     ///
     /// # Errors
@@ -168,6 +198,8 @@ impl<State> TlsListenerBuilder<State> {
             tls_acceptor,
             tcp,
             addrs,
+            tcp_nodelay,
+            tcp_ttl,
             ..
         } = self;
 
@@ -194,6 +226,6 @@ impl<State> TlsListenerBuilder<State> {
             }
         };
 
-        Ok(TlsListener::new(connection, config))
+        Ok(TlsListener::new(connection, config, tcp_nodelay, tcp_ttl))
     }
 }