unikernel/duniverse/ocaml-h2/examples/alpn/mirage/http1_handler.ml

@@ -0,0 +1,46 @@
+open Httpun
+
+let redirect_handler : Reqd.t Gluten.reqd -> unit =
+ fun { Gluten.reqd; _ } ->
+  let response =
+    Response.create
+      ~headers:
+        (Headers.of_list
+           [ "Location", "https://localhost:9443"; "Connection", "close" ])
+      `Moved_permanently
+  in
+  Reqd.respond_with_string reqd response ""
+
+let redirect_error_handler :
+    ?request:Request.t -> _ -> (Headers.t -> Body.Writer.t) -> unit
+  =
+ fun ?request:_ _error start_response ->
+  let response_body = start_response Headers.empty in
+  Body.Writer.close response_body
+
+let request_handler : Reqd.t Gluten.reqd -> unit =
+ fun { Gluten.reqd; _ } ->
+  let { Request.headers; _ } = Reqd.request reqd in
+  let response_content_type =
+    match Headers.get headers "Content-Type" with
+    | Some request_content_type -> request_content_type
+    | None -> "text/plain"
+  in
+  let response_body = "Welcome to an ALPN-negotiated HTTP/1.1 connection" in
+  let response =
+    Response.create
+      ~headers:
+        (Headers.of_list
+           [ "content-type", response_content_type
+           ; "Content-Length", String.length response_body |> string_of_int
+           ])
+      `OK
+  in
+  Reqd.respond_with_string reqd response response_body
+
+let error_handler :
+    ?request:Request.t -> _ -> (Headers.t -> Body.Writer.t) -> unit
+  =
+ fun ?request:_ _error start_response ->
+  let response_body = start_response Headers.empty in
+  Body.Writer.close response_body