30 lines
815 B
OCaml
30 lines
815 B
OCaml
open Lwt.Infix
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open Lwt.Syntax
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let successful = ref 0
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let failed = ref 0
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(* middleware *)
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let count_requests inner_handler request =
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try%lwt
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inner_handler request >>= fun response ->
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successful := !successful + 1;
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Lwt.return response
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with exn ->
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failed := !failed + 1;
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raise exn
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let () =
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Dream.run @@ Dream.logger @@ count_requests
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@@ Dream.router
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[
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Dream.get "/" (fun _ -> Dream.html "Hello, world!");
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Dream.get "/error" (fun _ -> failwith "failed on purpose");
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Dream.get "/count" (fun _ ->
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Dream.html
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(Printf.sprintf "%3i successful requests<br>%3i failed requests"
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!successful !failed));
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Dream.get "/echo/:word" (fun request ->
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Dream.html (Dream.param request "word"));
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]
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