tiny_httpd/src/examples/echo.ml
2019-12-04 22:34:55 -06:00

41 lines
1.7 KiB
OCaml

module S = Tiny_httpd
let () =
let port_ = ref 8080 in
let j = ref 32 in
Arg.parse (Arg.align [
"--port", Arg.Set_int port_, " set port";
"-p", Arg.Set_int port_, " set port";
"--debug", Arg.Unit (fun () -> S._enable_debug true), " enable debug";
"-j", Arg.Set_int j, " maximum number of connections";
]) (fun _ -> raise (Arg.Bad "")) "echo [option]*";
let server = S.create ~port:!port_ ~max_connections:!j () in
(* say hello *)
S.add_path_handler ~meth:`GET server
"/hello/%s@/" (fun name _req -> S.Response.make_string (Ok ("hello " ^name ^"!\n")));
(* echo request *)
S.add_path_handler server
"/echo" (fun req -> S.Response.make_string (Ok (Format.asprintf "echo:@ %a@." S.Request.pp req)));
S.add_path_handler ~meth:`POST server
"/debug/%B" (fun b _req -> S._enable_debug b; S.Response.make_string (Ok "ok"));
S.add_path_handler ~meth:`POST server
"/compact/" (fun _req -> Gc.compact(); S.Response.make_string (Ok "gc.compact: done"));
S.add_path_handler ~meth:`POST server
"/quit/" (fun _req -> S.stop server; S.Response.make_string (Ok "bye"));
S.add_path_handler ~meth:`PUT server
"/upload/%s" (fun path req ->
S._debug (fun k->k "start upload %S\n%!" path);
try
let oc = open_out @@ "/tmp/" ^ path in
output_string oc req.S.Request.body;
flush oc;
S.Response.make_string (Ok "uploaded file")
with e ->
S.Response.fail ~code:500 "couldn't upload file: %s" (Printexc.to_string e)
);
Printf.printf "listening on http://%s:%d\n%!" (S.addr server) (S.port server);
ignore @@ Thread.create (fun () -> Statmemprof_inuit.start 1e-4 300 2) ();
match S.run server with
| Ok () -> ()
| Error e -> raise e