package mirage

  1. Overview
  2. Docs
The MirageOS library operating system

Install 

dune-project
 Dependency

github.com Readme Changelog ISC License Edit opam file Versions (6)

Authors

  1. T
    Thomas Gazagnaire
  2. A
    Anil Madhavapeddy
  3. Gabriel Radanne
  4. M
    Mindy Preston
  5. T
    Thomas Leonard
  6. N
    Nicolas Ojeda Bar
  7. D
    Dave Scott
  8. D
    David Kaloper
  9. H
    Hannes Mehnert
  10. R
    Richard Mortier

Maintainers

  1. A
    anil@recoil.org
  2. T
    thomas@gazagnaire.org

Sources

mirage-4.10.1.tbz
sha256=1155b5e9a585d3b44dfdd72777d94a7222b0f88a1737593bfb1f09954b6fb914
sha512=c59a0051f1037d7dd5bb81dfc8a265117b533383d0b285e0c2101b44d2ca8bcab40c432ce696a5b44397216e78ac59863f1ab6c5fb33bb338ca18d7ef359500f

doc/src/mirage.devices/resolver.ml.html

Source file resolver.ml

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open Functoria.DSL
open Functoria.Action
open Misc
open Stack

type resolver = Resolver

let resolver = typ Resolver

let resolver_unix_system =
  let packages_v =
    Key.(if_ is_unix)
      [ Conduit.pkg; package ~min:"8.0.0" ~max:"9.0.0" "conduit-lwt-unix" ]
      []
  in
  let configure i =
    match get_target i with
    | `Unix | `MacOSX -> ok ()
    | _ -> error "Unix resolver not supported on non-UNIX targets."
  in
  let connect _ _modname _ =
    code ~pos:__POS__ "Lwt.return Resolver_lwt_unix.system"
  in
  impl ~packages_v ~configure ~connect "Resolver_lwt" resolver

let resolver_dns_conf ~ns =
  let packages = [ Conduit.pkg ] in
  let runtime_args = Runtime_arg.[ v ns ] in
  let connect _ modname = function
    | [ stack; ns ] ->
        code ~pos:__POS__
          "let nameservers = %s in@;\
           %s.v ?nameservers %s >|= function@;\
           | Ok r -> r@;\
           | Error (`Msg e) -> invalid_arg e@;"
          ns modname stack
    | _ -> connect_err "resolver" 2
  in
  impl ~packages ~runtime_args ~connect "Resolver_mirage.Make"
    (stackv4v6 @-> resolver)

let resolver_dns ?ns stack =
  let ns = Runtime_arg.resolver ?default:ns () in
  resolver_dns_conf ~ns $ stack