54 lines
1.4 KiB
OCaml
54 lines
1.4 KiB
OCaml
open Base
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open Lwt.Infix
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module Arg = Stdlib.Arg
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open Httpun
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open Httpun_lwt_unix
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let main port host =
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Lwt_io.(read stdin)
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>>= fun body ->
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Lwt_unix.getaddrinfo host (Int.to_string port) [Unix.(AI_FAMILY PF_INET)]
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>>= fun addresses ->
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let socket = Lwt_unix.socket Unix.PF_INET Unix.SOCK_STREAM 0 in
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Lwt_unix.connect socket (List.hd_exn addresses).Unix.ai_addr
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>>= fun () ->
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let finished, notify_finished = Lwt.wait () in
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let response_handler =
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Httpun_examples.Client.print ~on_eof:(Lwt.wakeup_later notify_finished)
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in
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let headers =
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Headers.of_list
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[ "content-length" , (Int.to_string (String.length body))
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; "connection" , "close"
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; "host" , host
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]
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in
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Client.create_connection socket >>= fun connection ->
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let request_body =
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Client.request
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connection
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~error_handler:Httpun_examples.Client.error_handler
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~response_handler
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(Request.create ~headers `POST "/")
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in
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Body.Writer.write_string request_body body;
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Body.Writer.close request_body;
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finished
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;;
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let () =
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let host = ref None in
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let port = ref 8080 in
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Arg.parse
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["-p", Set_int port, " Port number (8080 by default)"]
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(fun host_argument -> host := Some host_argument)
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"lwt_get.exe [-p N] HOST";
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let host =
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match !host with
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| None -> failwith "No hostname provided"
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| Some host -> host
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in
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Lwt_main.run (main !port host)
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;;
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