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(*
* Copyright (c) 2012 Anil Madhavapeddy <anil@recoil.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*)
let read fd t =
Lwt_bytes.read fd t.Cstruct.buffer t.Cstruct.off t.Cstruct.len
let write fd t =
Lwt_bytes.write fd t.Cstruct.buffer t.Cstruct.off t.Cstruct.len
let complete op t =
let open Lwt in
let rec loop t =
op t >>= fun n ->
let t = Cstruct.shift t n in
if Cstruct.length t = 0
then return ()
else if n = 0
then fail End_of_file
else loop t in
loop t
let sendto fd t flags dst =
Lwt_bytes.sendto fd t.Cstruct.buffer t.Cstruct.off t.Cstruct.len flags dst
let recvfrom fd t flags =
Lwt_bytes.recvfrom fd t.Cstruct.buffer t.Cstruct.off t.Cstruct.len flags
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