52 lines
1.6 KiB
OCaml
52 lines
1.6 KiB
OCaml
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(*
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* Copyright (c) 2013 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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open Core
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open Async
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let to_bigsubstring t =
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Bigsubstring.create
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~pos:t.Cstruct.off
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~len:t.Cstruct.len
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t.Cstruct.buffer
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let of_bigsubstring t =
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Cstruct.of_bigarray
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~off:(Bigsubstring.pos t)
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~len:(Bigsubstring.length t)
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(Bigsubstring.base t)
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let read rd t =
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Reader.read_bigsubstring rd (to_bigsubstring t)
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let schedule_write wr t =
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let open Cstruct in
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Writer.schedule_bigstring ~pos:t.off ~len:t.len wr t.buffer
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module Pipe = struct
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let map_string rd wr =
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let rd = Pipe.map rd ~f:Cstruct.to_string in
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let rd',wr' = Pipe.create () in
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don't_wait_for (Pipe.transfer rd' wr ~f:Cstruct.of_string);
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rd,wr'
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let map_bigsubstring rd wr =
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let rd = Pipe.map rd ~f:to_bigsubstring in
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let rd',wr' = Pipe.create () in
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don't_wait_for (Pipe.transfer rd' wr ~f:of_bigsubstring);
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rd,wr'
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end
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