update to TLS 1.0 API changes

http-lwt-client.opam

@@ -15,8 +15,8 @@ depends: [
   "base64" {>= "3.1.0"}
   "faraday-lwt-unix"
   "httpaf" {>= "0.7.0"}
-  "tls" {>= "0.16.0"}
-  "tls-lwt" {>= "0.16.0"}
+  "tls" {>= "1.0.0"}
+  "tls-lwt" {>= "1.0.0"}
   "ca-certs"
   "fmt"
   "bos"

src/http_lwt_client.ml

@@ -361,10 +361,10 @@ let request
            | None -> Lazy.force default_auth
            | Some a -> Ok a
          in
-         Result.map
-           (fun authenticator ->
-              `Default (Tls.Config.client ~alpn_protocols ~authenticator ()))
-           auth)
+         let ( let* ) = Result.bind in
+         let* authenticator = auth in
+         let* cfg = Tls.Config.client ~alpn_protocols ~authenticator () in
+         Ok (`Default cfg))
   in
   if not follow_redirect then
     single_request happy_eyeballs ?config tls_config ~meth ~headers ?body uri f f_init

src/http_lwt_unix.ml

@@ -181,11 +181,11 @@ module Make (Runtime : RUNTIME) = struct
         fun vs ->
           let cs =
             List.map (fun { Faraday.buffer ; off ; len } ->
-                Cstruct.of_bigarray ~off ~len buffer) vs
+                Bigstringaf.substring ~off ~len buffer) vs
           in
           Lwt.catch (fun () ->
               Tls_lwt.Unix.writev t cs >|= fun () ->
-              `Ok (Cstruct.lenv cs))
+              `Ok (List.fold_left (+) 0 (List.map String.length cs)))
             (fun exn ->
                Log.err (fun m -> m "exception writev: %s" (Printexc.to_string exn));
                Tls_lwt.Unix.close t >|= fun () ->