42 lines
1.2 KiB
OCaml
42 lines
1.2 KiB
OCaml
open Functoria.DSL
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open Functoria.Action
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type resolver = Resolver
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let resolver = typ Resolver
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let resolver_unix_system =
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let packages_v =
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Key.(if_ is_unix)
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[ Conduit.pkg; package ~min:"8.0.0" ~max:"9.0.0" "conduit-lwt-unix" ]
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[]
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in
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let configure i =
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match Misc.get_target i with
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| `Unix | `MacOSX -> ok ()
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| _ -> error "Unix resolver not supported on non-UNIX targets."
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in
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let connect _ _modname _ =
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code ~pos:__POS__ "Lwt.return Resolver_lwt_unix.system"
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in
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impl ~packages_v ~configure ~connect "Resolver_lwt" resolver
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let resolver_dns_conf ~ns =
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let packages = [ Conduit.pkg ] in
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let runtime_args = Runtime_arg.[ v ns ] in
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let connect _ modname = function
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| [ stack; ns ] ->
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code ~pos:__POS__
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"let nameservers = %s in@;\
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%s.v ?nameservers %s >|= function@;\
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| Ok r -> r@;\
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| Error (`Msg e) -> invalid_arg e@;"
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ns modname stack
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| _ -> Misc.connect_err "resolver" 2
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in
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impl ~packages ~runtime_args ~connect "Resolver_mirage.Make"
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(Stack.stackv4v6 @-> resolver)
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let resolver_dns ?ns stack =
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let ns = Runtime_arg.resolver ?default:ns () in
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resolver_dns_conf ~ns $ stack
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