Configure rust-native-tls to include ALPN support, expose ALPN option

Author: nickbp

Cargo.toml

@@ -15,7 +15,7 @@ categories = ["asynchronous", "cryptography", "network-programming"]
 
 
 [dependencies]
-native-tls = "0.2.8"
+native-tls = { version = "0.2.8", features = ["alpn"] }
 thiserror = "1.0.9"
 futures-util = { version = "0.3.1", features = ["io"], optional = true }
 tokio = { version = "1.0", default-features = false, features = ["io-util"], optional = true }

src/lib.rs

@@ -273,6 +273,14 @@ mod connect {
             self
         }
 
+        /// Request specific protocols through ALPN (Application-Layer Protocol Negotiation).
+        ///
+        /// Defaults to none
+        pub fn request_alpns(mut self, protocols: &[&str]) -> Self {
+            self.builder.request_alpns(protocols);
+            self
+        }
+
         /// Controls the use of certificate validation.
         ///
         /// Defaults to false.