ligo/lib_node_services/RPC.ml
2017-12-11 17:53:47 +00:00

139 lines
5.0 KiB
OCaml

(**************************************************************************)
(* *)
(* Copyright (c) 2014 - 2017. *)
(* Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
(* *)
(* All rights reserved. No warranty, explicit or implicit, provided. *)
(* *)
(**************************************************************************)
module Data = struct
type 'a t = 'a Data_encoding.t
type schema = Data_encoding.json_schema
let unit = Data_encoding.empty
let schema = Data_encoding.Json.schema
module StringMap = Resto.StringMap
let arg_encoding =
let open Data_encoding in
conv
(fun {Resto.Arg.name; descr} -> (name, descr))
(fun (name, descr) -> {name; descr})
(obj2 (req "name" string) (opt "descr" string))
open Resto.Description
let meth_encoding =
Data_encoding.string_enum
[ "GET", `GET ;
"POST", `POST ;
"DELETE", `DELETE ;
"PUT", `PUT ;
"PATCH", `PATCH ]
let path_item_encoding =
let open Data_encoding in
union [
case ~tag:0 string
(function PStatic s -> Some s | _ -> None)
(fun s -> PStatic s) ;
case ~tag:1 arg_encoding
(function PDynamic s -> Some s | _ -> None)
(fun s -> PDynamic s) ;
]
let query_item_encoding =
let open Data_encoding in
conv
(fun {name ; description} -> (name, description))
(fun (name, description) -> {name ; description})
(obj2 (req "name" string) (opt "description" string))
let service_descr_encoding =
let open Data_encoding in
conv
(fun { meth ; path ; description ; query ; input ; output ; error } ->
(meth, path, description, query, input, output, error))
(fun (meth, path, description, query, input, output, error) ->
{ meth ; path ; description ; query ; input ; output ; error })
(obj7
(req "meth" meth_encoding)
(req "path" (list path_item_encoding))
(opt "description" string)
(req "query" (list query_item_encoding))
(opt "input" json_schema)
(req "output" json_schema)
(req "erro" json_schema))
let directory_descr_encoding =
let open Data_encoding in
mu "service_tree" @@ fun directory_descr_encoding ->
let static_subdirectories_descr_encoding =
union [
case ~tag:0 (obj1 (req "suffixes"
(list (obj2 (req "name" string)
(req "tree" directory_descr_encoding)))))
(function Suffixes map ->
Some (StringMap.bindings map) | _ -> None)
(fun m ->
let add acc (n,t) = StringMap.add n t acc in
Suffixes (List.fold_left add StringMap.empty m)) ;
case ~tag:1 (obj1 (req "dynamic_dispatch"
(obj2
(req "arg" arg_encoding)
(req "tree" directory_descr_encoding))))
(function Arg (ty, tree) -> Some (ty, tree) | _ -> None)
(fun (ty, tree) -> Arg (ty, tree))
] in
let static_directory_descr_encoding =
conv
(fun { services ; subdirs } ->
let find s =
try Some (Resto.MethMap.find s services) with Not_found -> None in
(find `GET, find `POST, find `DELETE,
find `PUT, find `PATCH, subdirs))
(fun (get, post, delete, put, patch, subdirs) ->
let add meth s services =
match s with
| None -> services
| Some s -> Resto.MethMap.add meth s services in
let services =
Resto.MethMap.empty
|> add `GET get
|> add `POST post
|> add `DELETE delete
|> add `PUT put
|> add `PATCH patch in
{ services ; subdirs })
(obj6
(opt "get_service" service_descr_encoding)
(opt "post_service" service_descr_encoding)
(opt "delete_service" service_descr_encoding)
(opt "put_service" service_descr_encoding)
(opt "patch_service" service_descr_encoding)
(opt "subdirs" static_subdirectories_descr_encoding)) in
union [
case ~tag:0 (obj1 (req "static" static_directory_descr_encoding))
(function Static descr -> Some descr | _ -> None)
(fun descr -> Static descr) ;
case ~tag:1 (obj1 (req "dynamic" (option string)))
(function Dynamic descr -> Some descr | _ -> None)
(fun descr -> Dynamic descr) ;
]
let description_request_encoding =
let open Data_encoding in
conv
(fun { recurse } -> recurse)
(function recurse -> { recurse })
(obj1 (dft "recursive" bool false))
let description_answer_encoding = directory_descr_encoding
end
include Resto
module Service = Resto.MakeService(Data)