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