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|
open Ctypes
open Foreign
open Vyos1x
module CT = Config_tree
module CD = Config_diff
let error_message = ref ""
let make_syntax_error pos err =
match pos with
| None -> Printf.sprintf "Syntax error: %s" err
| Some (l, c) ->
Printf.sprintf "Syntax error on line %d, character %d: %s" l c err
let to_json_str = fun s -> `String s
let split_on_whitespace s = Re.split (Re.Perl.compile_pat "\\s+") s
let make_config_tree name = Ctypes.Root.create (CT.make name)
let destroy c_ptr =
Root.release c_ptr
let from_string s =
try
error_message := "";
let config = Parser.from_string s in
Ctypes.Root.create config
with
| Failure s -> error_message := s; Ctypes.null
| Util.Syntax_error (pos, err) ->
let msg = make_syntax_error pos err in
error_message := msg; Ctypes.null
| _ -> error_message := "Parse error"; Ctypes.null
let get_error () = !error_message
let render_config c_ptr =
CT.render_config (Root.get c_ptr)
let render_json c_ptr =
CT.render_json (Root.get c_ptr)
let render_json_ast c_ptr =
CT.render_json_ast (Root.get c_ptr)
let render_commands c_ptr op =
match op with
| "delete" ->
CT.render_commands ~op:CT.Delete (Root.get c_ptr) []
| _ ->
CT.render_commands ~op:CT.Set (Root.get c_ptr) []
let set_add_value c_ptr path value =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
try
let new_ct = CT.set ct path (Some value) CT.AddValue in
Root.set c_ptr new_ct;
0 (* return 0 *)
with CT.Duplicate_value -> 1
let set_replace_value c_ptr path value =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
let new_ct = Config_tree.set ct path (Some value) Config_tree.ReplaceValue in
Root.set c_ptr new_ct;
0 (* return 0 *)
let set_valueless c_ptr path =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
try
let new_ct = Config_tree.set ct path None CT.AddValue in
Root.set c_ptr new_ct;
0 (* return 0 *)
with CT.Useless_set -> 1
let delete_value c_ptr path value =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
try
let new_ct = CT.delete ct path (Some value) in
Root.set c_ptr new_ct;
0 (* return 0 *)
with CT.No_such_value -> 1
let delete_node c_ptr path =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
if not (Vytree.exists ct path) then 1 else
let new_ct = Config_tree.delete ct path None in
Root.set c_ptr new_ct;
0 (* return 0 *)
let rename_node c_ptr path newname =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
if not (Vytree.exists ct path) then 1 else
let new_ct = Vytree.rename ct path newname in
Root.set c_ptr new_ct;
0 (* return 0 *)
let set_tag c_ptr path =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
try
Root.set c_ptr (CT.set_tag ct path true);
0 (* return 0 *)
with _ -> 1
let is_tag c_ptr path =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
if (CT.is_tag ct path) then 1 else 0
let get_subtree c_ptr path with_node =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
let subt = CT.get_subtree ~with_node:with_node ct path in
Ctypes.Root.create subt
let exists c_ptr path =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
if (Vytree.exists ct path) then 1 else 0
let list_nodes c_ptr path =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
try
let nodes = Vytree.children_of_path ct path in
let nodes_json = `List (List.map to_json_str nodes) in
Yojson.Safe.to_string nodes_json
with _ -> Yojson.Safe.to_string `Null
let return_value c_ptr path =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
try
Yojson.Safe.to_string (`String (CT.get_value ct path))
with
| CT.Node_has_no_value -> Yojson.Safe.to_string (`String "")
| _ -> Yojson.Safe.to_string `Null
let return_values c_ptr path =
let ct = Root.get c_ptr in
let path = split_on_whitespace path in
let to_json_str = fun s -> `String s in
try
let values = CT.get_values ct path in
let values_json = `List (List.map to_json_str values) in
Yojson.Safe.to_string values_json
with _ -> Yojson.Safe.to_string `Null
let copy_node c_ptr old_path new_path =
let ct = Root.get c_ptr in
let old_path = split_on_whitespace old_path in
let new_path = split_on_whitespace new_path in
try
let new_ct = Vytree.copy ct old_path new_path in
Root.set c_ptr new_ct;
0
with Vytree.Nonexistent_path -> 1
let diff_tree path c_ptr_l c_ptr_r =
let path = split_on_whitespace path in
let ct_l = Root.get c_ptr_l in
let ct_r = Root.get c_ptr_r in
try
let ct_ret = CD.diff_tree path ct_l ct_r in
Ctypes.Root.create ct_ret
with
| CD.Incommensurable -> error_message := "Incommensurable"; Ctypes.null
| CD.Empty_comparison -> error_message := "Empty comparison"; Ctypes.null
let trim_tree c_ptr_l c_ptr_r =
let ct_l = Root.get c_ptr_l in
let ct_r = Root.get c_ptr_r in
try
let ct_ret = CD.trim_tree ct_l ct_r in
Ctypes.Root.create ct_ret
with
| CD.Incommensurable -> error_message := "Incommensurable"; Ctypes.null
| CD.Empty_comparison -> error_message := "Empty comparison"; Ctypes.null
module Stubs(I : Cstubs_inverted.INTERNAL) =
struct
let () = I.internal "make" (string @-> returning (ptr void)) make_config_tree
let () = I.internal "destroy" ((ptr void) @-> returning void) destroy
let () = I.internal "from_string" (string @-> returning (ptr void)) from_string
let () = I.internal "get_error" (void @-> returning string) get_error
let () = I.internal "to_string" ((ptr void) @-> returning string) render_config
let () = I.internal "to_json" ((ptr void) @-> returning string) render_json
let () = I.internal "to_json_ast" ((ptr void) @-> returning string) render_json_ast
let () = I.internal "to_commands" ((ptr void) @-> string @-> returning string) render_commands
let () = I.internal "set_add_value" ((ptr void) @-> string @-> string @-> returning int) set_add_value
let () = I.internal "set_replace_value" ((ptr void) @-> string @-> string @-> returning int) set_replace_value
let () = I.internal "set_valueless" ((ptr void) @-> string @-> returning int) set_valueless
let () = I.internal "delete_value" ((ptr void) @-> string @-> string @-> returning int) delete_value
let () = I.internal "delete_node" ((ptr void) @-> string @-> returning int) delete_node
let () = I.internal "rename_node" ((ptr void) @-> string @-> string @-> returning int) rename_node
let () = I.internal "copy_node" ((ptr void) @-> string @-> string @-> returning int) copy_node
let () = I.internal "set_tag" ((ptr void) @-> string @-> returning int) set_tag
let () = I.internal "is_tag" ((ptr void) @-> string @-> returning int) is_tag
let () = I.internal "get_subtree" ((ptr void) @-> string @-> bool @-> returning (ptr void)) get_subtree
let () = I.internal "exists" ((ptr void) @-> string @-> returning int) exists
let () = I.internal "list_nodes" ((ptr void) @-> string @-> returning string) list_nodes
let () = I.internal "return_value" ((ptr void) @-> string @-> returning string) return_value
let () = I.internal "return_values" ((ptr void) @-> string @-> returning string) return_values
let () = I.internal "diff_tree" (string @-> (ptr void) @-> (ptr void) @-> returning (ptr void)) diff_tree
let () = I.internal "trim_tree" ((ptr void) @-> (ptr void) @-> returning (ptr void)) trim_tree
end
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