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 (14)

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-4.0.0.tbz
sha256=f804161872de6cf20699364f09d03370ed06aafffb12f1d586190832c73a194d
sha512=75c1c1cac4c6f862c0055381c7ced123785193234b40da8a8e238cb289cba1a4494378587c4edf2ed872aee7fbfc756f84087941c1037ac19cbd1733ff6cca6a

doc/src/mirage.impl/mirage_impl_udp.ml.html

Source file mirage_impl_udp.ml

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open Functoria
open Mirage_impl_ip
open Mirage_impl_misc
open Mirage_impl_random
module Key = Mirage_key

type 'a udp = UDP
type udpv4 = v4 udp
type udpv6 = v6 udp
type udpv4v6 = v4v6 udp

let udp = Type.Type UDP
let udpv4 : udpv4 typ = udp
let udpv6 : udpv6 typ = udp
let udpv4v6 : udpv4v6 typ = udp

(* Value restriction ... *)
let udp_direct_func () =
  let packages_v = right_tcpip_library ~sublibs:[ "udp" ] "tcpip" in
  let connect _ modname = function
    | [ ip; _random ] -> Fmt.str "%s.connect %s" modname ip
    | _ -> failwith (connect_err "udp" 2)
  in
  impl ~packages_v ~connect "Udp.Make" (ip @-> random @-> udp)

let direct_udp ?(random = default_random) ip = udp_direct_func () $ ip $ random

let udpv4_socket_conf ipv4_key =
  let keys = [ Key.v ipv4_key ] in
  let packages_v = right_tcpip_library ~sublibs:[ "udpv4-socket" ] "tcpip" in
  let configure i =
    match get_target i with
    | `Unix | `MacOSX -> Action.ok ()
    | _ -> Action.error "UDPv4 socket not supported on non-UNIX targets."
  in
  let connect _ modname _ = Fmt.str "%s.connect %a" modname pp_key ipv4_key in
  impl ~keys ~packages_v ~configure ~connect "Udpv4_socket" udpv4

let socket_udpv4 ?group ip =
  let ip =
    match ip with
    | None -> Ipaddr.V4.Prefix.global
    | Some ip -> Ipaddr.V4.Prefix.make 32 ip
  in
  udpv4_socket_conf @@ Key.V4.network ?group ip

let udpv6_socket_conf ipv6_key =
  let keys = [ Key.v ipv6_key ] in
  let packages_v = right_tcpip_library ~sublibs:[ "udpv6-socket" ] "tcpip" in
  let configure i =
    match get_target i with
    | `Unix | `MacOSX -> Action.ok ()
    | _ -> Action.error "UDPv6 socket not supported on non-UNIX targets."
  in
  let connect _ modname _ = Fmt.str "%s.connect %a" modname pp_key ipv6_key in
  impl ~keys ~packages_v ~configure ~connect "Udpv6_socket" udpv6

let socket_udpv6 ?group ip =
  let ip =
    match ip with
    | None -> None
    | Some ip -> Some (Ipaddr.V6.Prefix.make 128 ip)
  in
  udpv6_socket_conf @@ Key.V6.network ?group ip

let udpv4v6_socket_conf ~ipv4_only ~ipv6_only ipv4_key ipv6_key =
  let keys =
    [ Key.v ipv4_only; Key.v ipv6_only; Key.v ipv4_key; Key.v ipv6_key ]
  in
  let packages_v = right_tcpip_library ~sublibs:[ "udpv4v6-socket" ] "tcpip" in
  let configure i =
    match get_target i with
    | `Unix | `MacOSX -> Action.ok ()
    | _ -> Action.error "UDPv4v6 socket not supported on non-UNIX targets."
  in
  let connect _ modname _ =
    Fmt.str "%s.connect ~ipv4_only:%a ~ipv6_only:%a %a %a" modname pp_key
      ipv4_only pp_key ipv6_only pp_key ipv4_key pp_key ipv6_key
  in
  impl ~keys ~packages_v ~configure ~connect "Udpv4v6_socket" udpv4v6

let socket_udpv4v6 ?group ipv4 ipv6 =
  let ipv4 =
    match ipv4 with
    | None -> Ipaddr.V4.Prefix.global
    | Some ip -> Ipaddr.V4.Prefix.make 32 ip
  and ipv6 =
    match ipv6 with
    | None -> None
    | Some ip -> Some (Ipaddr.V6.Prefix.make 128 ip)
  and ipv4_only = Key.ipv4_only ?group ()
  and ipv6_only = Key.ipv6_only ?group () in
  udpv4v6_socket_conf ~ipv4_only ~ipv6_only
    (Key.V4.network ?group ipv4)
    (Key.V6.network ?group ipv6)