itp_server.ml 35.6 KB
Newer Older
1
open Format
Sylvain Dailler's avatar
Sylvain Dailler committed
2
open Stdlib
3
4
open Session_itp
open Controller_itp
Sylvain Dailler's avatar
Sylvain Dailler committed
5
open Server_utils
6
open Itp_communication
7

Sylvain Dailler's avatar
Sylvain Dailler committed
8
exception Bad_prover_name of string
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

(**********************************)
(* list unproven goal and related *)
(**********************************)

(* If the transformation is proved, return acc.
   Else, return the concatenation of the reversed list of unproven
   goals below the transformation and acc *)
let rec unproven_goals_below_tn cont acc tn =
  if tn_proved cont tn then
    acc                         (* we ignore "dead" goals *)
  else
    let sub_tasks = get_sub_tasks cont.controller_session tn in
    List.fold_left (unproven_goals_below_pn cont) acc sub_tasks

(* Same as unproven_goals_below_tn; note that if goal is not proved
   and there is no transformation, goal is returned (else it is not) *)
and unproven_goals_below_pn cont acc goal =
  if pn_proved cont goal then
    acc                         (* we ignore "dead" transformations *)
  else
    match get_transformations cont.controller_session goal with
    | [] -> goal :: acc
    | tns -> List.fold_left (unproven_goals_below_tn cont) acc tns

(* Same as unproven_goals_below_tn *)
let unproven_goals_below_th cont acc th =
  if th_proved cont th then
    acc
  else
    let goals = theory_goals th in
    List.fold_left (unproven_goals_below_pn cont) acc goals

(* Same as unproven_goals_below_tn *)
let unproven_goals_below_file cont file =
  if file_proved cont file then
    []
  else
    let theories = file.file_theories in
    List.fold_left (unproven_goals_below_th cont) [] theories


Sylvain Dailler's avatar
Sylvain Dailler committed
51
52
53
(****************)
(* Command list *)
(****************)
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
let commands =
  [
    "list-transforms", "list available transformations", Qnotask list_transforms_query;
    "list-provers", "list available provers", Qnotask list_provers;
(*
    "list-strategies", "list available strategies", list_strategies;
*)
    "print", "<s> print the declaration where s was defined", Qtask print_id;
    "search", "<s> print some declarations where s appear", Qtask search_id;
(*
    "r", "reload the session (test only)", test_reload;
    "rp", "replay", test_replay;
    "s", "save the current session", test_save_session;
    "ng", "go to the next goal", then_print (move_to_goal_ret_p next_node);
    "pg", "go to the prev goal", then_print (move_to_goal_ret_p prev_node);
    "gu", "go to the goal up",  then_print (move_to_goal_ret_p zipper_up);
    "gd", "go to the goal down",  then_print (move_to_goal_ret_p zipper_down);
    "gr", "go to the goal right",  then_print (move_to_goal_ret_p zipper_right);
    "gl", "go to the goal left",  then_print (move_to_goal_ret_p zipper_left)
 *)
  ]

let commands_table = Stdlib.Hstr.create 17
let () =
  List.iter
    (fun (c,_,f) -> Stdlib.Hstr.add commands_table c f)
    commands

Sylvain Dailler's avatar
Sylvain Dailler committed
82
83
84
85
(*******************)
(* Strategies list *)
(*******************)
let loaded_strategies = ref []
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240

(****** Exception handling *********)

let print_term s id fmt t =
  let tables = match (Session_itp.get_tables s id) with
  | None -> Args_wrapper.build_name_tables (Session_itp.get_task s id)
  | Some tables -> tables in
  Why3printer.print_term tables fmt t

let print_type s id fmt t =
  let tables = match (Session_itp.get_tables s id) with
  | None -> Args_wrapper.build_name_tables (Session_itp.get_task s id)
  | Some tables -> tables in
  Why3printer.print_ty tables fmt t

let print_ts s id fmt t =
  let tables = match (Session_itp.get_tables s id) with
  | None -> Args_wrapper.build_name_tables (Session_itp.get_task s id)
  | Some tables -> tables in
  Why3printer.print_ts tables fmt t

let print_ls s id fmt t =
  let tables = match (Session_itp.get_tables s id) with
  | None -> Args_wrapper.build_name_tables (Session_itp.get_task s id)
  | Some tables -> tables in
  Why3printer.print_ls tables fmt t

let print_tv s id fmt t =
  let tables = match (Session_itp.get_tables s id) with
  | None -> Args_wrapper.build_name_tables (Session_itp.get_task s id)
  | Some tables -> tables in
  Why3printer.print_tv tables fmt t

let print_vsty s id fmt t =
  let tables = match (Session_itp.get_tables s id) with
  | None -> Args_wrapper.build_name_tables (Session_itp.get_task s id)
  | Some tables -> tables in
  Why3printer.print_forget_vsty tables fmt t

let print_pr s id fmt t =
  let tables = match (Session_itp.get_tables s id) with
  | None -> Args_wrapper.build_name_tables (Session_itp.get_task s id)
  | Some tables -> tables in
  Why3printer.print_pr tables fmt t

let print_pat s id fmt t =
  let tables = match (Session_itp.get_tables s id) with
  | None -> Args_wrapper.build_name_tables (Session_itp.get_task s id)
  | Some tables -> tables in
  Why3printer.print_pat tables fmt t

(* Exception reporting *)

(* TODO remove references to id.id_string in this function *)
let bypass_pretty s id =
  begin fun fmt exn -> match exn with
  | Ty.TypeMismatch (t1,t2) ->
      fprintf fmt "Type mismatch between %a and %a"
        (print_type s id) t1 (print_type s id) t2
  | Ty.BadTypeArity ({Ty.ts_args = []} as ts, _) ->
      fprintf fmt "Type symbol %a expects no arguments" (print_ts s id) ts
  | Ty.BadTypeArity (ts, app_arg) ->
      let i = List.length ts.Ty.ts_args in
      fprintf fmt "Type symbol %a expects %i argument%s but is applied to %i"
        (print_ts s id) ts i (if i = 1 then "" else "s") app_arg
  | Ty.DuplicateTypeVar tv ->
      fprintf fmt "Type variable %a is used twice" (print_tv s id) tv
  | Ty.UnboundTypeVar tv ->
      fprintf fmt "Unbound type variable: %a" (print_tv s id) tv
  | Ty.UnexpectedProp ->
      fprintf fmt "Unexpected propositional type"
  | Term.BadArity ({Term.ls_args = []} as ls, _) ->
      fprintf fmt "%s %a expects no arguments"
        (if ls.Term.ls_value = None then "Predicate" else "Function") (print_ls s id) ls
  | Term.BadArity (ls, app_arg) ->
      let i = List.length ls.Term.ls_args in
      fprintf fmt "%s %a expects %i argument%s but is applied to %i"
        (if ls.Term.ls_value = None then "Predicate" else "Function")
        (print_ls s id) ls i (if i = 1 then "" else "s") app_arg
  | Term.EmptyCase ->
      fprintf fmt "Empty match expression"
  | Term.DuplicateVar vs ->
      fprintf fmt "Variable %a is used twice" (print_vsty s id) vs
  | Term.UncoveredVar vs ->
      fprintf fmt "Variable %a uncovered in \"or\"-pattern" (print_vsty s id) vs
  | Term.FunctionSymbolExpected ls ->
      fprintf fmt "Not a function symbol: %a" (print_ls s id) ls
  | Term.PredicateSymbolExpected ls ->
      fprintf fmt "Not a predicate symbol: %a" (print_ls s id) ls
  | Term.ConstructorExpected ls ->
      fprintf fmt "%s %a is not a constructor"
        (if ls.Term.ls_value = None then "Predicate" else "Function") (print_ls s id) ls
  | Term.TermExpected t ->
      fprintf fmt "Not a term: %a" (print_term s id) t
  | Term.FmlaExpected t ->
      fprintf fmt "Not a formula: %a" (print_term s id) t
  | Pattern.ConstructorExpected (ls,ty) ->
      fprintf fmt "%s %a is not a constructor of type %a"
        (if ls.Term.ls_value = None then "Predicate" else "Function") (print_ls s id) ls
        (print_type s id) ty
  | Pattern.NonExhaustive pl ->
      fprintf fmt "Pattern not covered by a match:@\n  @[%a@]"
        (print_pat s id) (List.hd pl)
  | Decl.BadConstructor ls ->
      fprintf fmt "Bad constructor: %a" (print_ls s id) ls
  | Decl.BadRecordField ls ->
      fprintf fmt "Not a record field: %a" (print_ls s id) ls
  | Decl.RecordFieldMissing (_cs,ls) ->
      fprintf fmt "Field %a is missing" (print_ls s id) ls
  | Decl.DuplicateRecordField (_cs,ls) ->
      fprintf fmt "Field %a is used twice in the same constructor" (print_ls s id) ls
  | Decl.IllegalTypeAlias ts ->
      fprintf fmt
        "Type symbol %a is a type alias and cannot be declared as algebraic"
        (print_ts s id) ts
  | Decl.NonFoundedTypeDecl ts ->
      fprintf fmt "Cannot construct a value of type %a" (print_ts s id) ts
  | Decl.NonPositiveTypeDecl (_ts, ls, ty) ->
      fprintf fmt "Constructor %a \
          contains a non strictly positive occurrence of type %a"
        (print_ls s id) ls (print_type s id) ty
  | Decl.InvalidIndDecl (_ls, pr) ->
      fprintf fmt "Ill-formed inductive clause %a"
        (print_pr s id) pr
  | Decl.NonPositiveIndDecl (_ls, pr, ls1) ->
      fprintf fmt "Inductive clause %a contains \
          a non strictly positive occurrence of symbol %a"
        (print_pr s id) pr (print_ls s id) ls1
  | Decl.BadLogicDecl (ls1,ls2) ->
      fprintf fmt "Ill-formed definition: symbols %a and %a are different"
        (print_ls s id) ls1 (print_ls s id) ls2
  | Decl.UnboundVar vs ->
      fprintf fmt "Unbound variable: %a" (print_vsty s id) vs
  | Decl.ClashIdent id ->
      fprintf fmt "Ident %s is defined twice" id.Ident.id_string
  | Decl.EmptyDecl ->
      fprintf fmt "Empty declaration"
  | Decl.EmptyAlgDecl ts ->
      fprintf fmt "Algebraic type %a has no constructors" (print_ts s id) ts
  | Decl.EmptyIndDecl ls ->
      fprintf fmt "Inductive predicate %a has no constructors" (print_ls s id) ls
  | Decl.KnownIdent id ->
      fprintf fmt "Ident %s is already declared" id.Ident.id_string
  | Decl.UnknownIdent id ->
      fprintf fmt "Ident %s is not yet declared" id.Ident.id_string
  | Decl.RedeclaredIdent id ->
      fprintf fmt "Ident %s is already declared, with a different declaration"
        id.Ident.id_string
  | Decl.NoTerminationProof ls ->
      fprintf fmt "Cannot prove the termination of %a" (print_ls s id) ls
  | _ -> Format.fprintf fmt "Uncaught: %a" Exn_printer.exn_printer exn
  end

let get_exception_message ses id fmt e =
  match e with
241
242
  | Controller_itp.Noprogress ->
      Format.fprintf fmt "Transformation made no progress\n"
243
244
245
246
247
248
249
250
  | Case.Arg_trans_type (s, ty1, ty2) ->
      Format.fprintf fmt "Error in transformation %s during unification of the following terms:\n %a \n %a"
        s (print_type ses id) ty1 (print_type ses id) ty2
  | Case.Arg_trans_term (s, t1, t2) ->
      Format.fprintf fmt "Error in transformation %s during unification of following two terms:\n %a \n %a" s
        (print_term ses id) t1 (print_term ses id) t2
  | Case.Arg_trans (s) ->
      Format.fprintf fmt "Error in transformation function: %s \n" s
Sylvain Dailler's avatar
Sylvain Dailler committed
251
  | Args_wrapper.Arg_hyp_not_found (s) ->
252
253
254
255
256
257
258
259
      Format.fprintf fmt "Following hypothesis was not found: %s \n" s
  | Args_wrapper.Arg_theory_not_found (s) ->
      Format.fprintf fmt "Theory not found: %s" s
  | e ->
      bypass_pretty ses id fmt e



Clément Fumex's avatar
Clément Fumex committed
260
261


Sylvain Dailler's avatar
Sylvain Dailler committed
262
(* Debugging functions *)
263
264
let print_request fmt r =
  match r with
265
266
267
268
269
270
271
  | Command_req (_nid, s)           -> fprintf fmt "command \"%s\"" s
  | Prove_req (_nid, prover, _rl)   -> fprintf fmt "prove with %s" prover
  | Transform_req (_nid, tr, _args) -> fprintf fmt "transformation :%s" tr
  | Strategy_req (_nid, st)         -> fprintf fmt "strategy %s" st
  | Open_session_req f              -> fprintf fmt "open session file %s" f
  | Add_file_req f                  -> fprintf fmt "open file %s" f
  | Set_max_tasks_req i             -> fprintf fmt "set max tasks %i" i
272
  | Get_file_contents _f            -> fprintf fmt "get file contents"
273
  | Get_task _nid                   -> fprintf fmt "get task"
274
  | Remove_subtree _nid             -> fprintf fmt "remove subtree"
Sylvain Dailler's avatar
Sylvain Dailler committed
275
276
  | Copy_paste _                    -> fprintf fmt "copy paste"
  | Copy_detached _                 -> fprintf fmt "copy detached"
277
278
279
280
281
  | Get_Session_Tree_req            -> fprintf fmt "get session tree"
  | Save_req                        -> fprintf fmt "save"
  | Reload_req                      -> fprintf fmt "reload"
  | Replay_req                      -> fprintf fmt "replay"
  | Exit_req                        -> fprintf fmt "exit"
282

Sylvain Dailler's avatar
Sylvain Dailler committed
283
284
285
286
287
288
289
290
291
292
293
294
let print_msg fmt m =
  match m with
  | Proof_error (_ids, s)  -> fprintf fmt "proof error %s" s
  | Transf_error (_ids, s) -> fprintf fmt "transf error %s" s
  | Strat_error (_ids, s)  -> fprintf fmt "start error %s" s
  | Replay_Info s          -> fprintf fmt "replay info %s" s
  | Query_Info (_ids, s)   -> fprintf fmt "query info %s" s
  | Query_Error (_ids, s)  -> fprintf fmt "query error %s" s
  | Help _s                -> fprintf fmt "help"
  | Information s          -> fprintf fmt "info %s" s
  | Task_Monitor _         -> fprintf fmt "task montor"
  | Error s                -> fprintf fmt "%s" s
295
  | Open_File_Error s        -> fprintf fmt "%s" s
Sylvain Dailler's avatar
Sylvain Dailler committed
296
297
298

let print_notify fmt n =
  match n with
299
300
301
302
303
304
  | Node_change (_ni, _nf)             -> fprintf fmt "node change"
  | New_node (ni, _pni, _nt,  _nf, _d) -> fprintf fmt "new node %d" ni
  | Remove _ni                         -> fprintf fmt "remove"
  | Initialized _gi                    -> fprintf fmt "initialized"
  | Saved                              -> fprintf fmt "saved"
  | Message msg                        ->
Sylvain Dailler's avatar
Sylvain Dailler committed
305
      print_msg fmt msg
306
  | Dead s                             -> fprintf fmt "dead :%s" s
307
  | File_contents (_f, _s)             -> fprintf fmt "file contents"
308
  | Task (_ni, _s)                     -> fprintf fmt "task"
Sylvain Dailler's avatar
Sylvain Dailler committed
309

Clément Fumex's avatar
Clément Fumex committed
310
module type Protocol = sig
Clément Fumex's avatar
Clément Fumex committed
311
312
  val get_requests : unit -> ide_request list
  val notify : notification -> unit
Clément Fumex's avatar
Clément Fumex committed
313
314
end

315
316
317
module Make (S:Controller_itp.Scheduler) (P:Protocol) = struct

  module C = Controller_itp.Make(S)
Clément Fumex's avatar
Clément Fumex committed
318

319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
  (* Manipulations of files that handle errors *)
  let cont_from_session_dir cont f =
    try cont_from_session_dir cont f; true with
    | e ->
        let s = Format.asprintf "%a@." Exn_printer.exn_printer e in
        P.notify (Message (Error s)); false

  let cont_from_file cont f =
    try cont_from_file cont f; true with
    | e ->
        let s = Format.asprintf "%a@." Exn_printer.exn_printer e in
        P.notify (Message (Error s)); false

  let reload_files cont ~use_shapes =
    try reload_files cont ~use_shapes; true with
    | e ->
        let s = Format.asprintf "%a@." Exn_printer.exn_printer e in
        P.notify (Message (Error s)); false

  let add_file c ?format fname =
    try add_file c ?format fname; true with
    | e ->
        let s = Format.asprintf "%a@." Exn_printer.exn_printer e in
        P.notify (Message (Error s)); false

344
  let debug = Debug.register_flag "itp_server" ~desc:"ITP server"
Clément Fumex's avatar
Clément Fumex committed
345

346
347
348
  type server_data =
    { config : Whyconf.config;
      task_driver : Driver.driver;
349
      sd_provers : Whyconf.config_prover Whyconf.Mprover.t;
350
351
      cont : Controller_itp.controller;
    }
Clément Fumex's avatar
Clément Fumex committed
352

353
  let server_data = ref None
Clément Fumex's avatar
Clément Fumex committed
354

355
  let get_server_data () =
356
357
358
359
360
    match !server_data with
    | None ->
       Format.eprintf "[ITP server] not yet initialized@.";
       exit 1
    | Some x -> x
Clément Fumex's avatar
Clément Fumex committed
361

362
  let task_driver config env =
363
364
365
366
367
368
369
370
371
    try
      let main = Whyconf.get_main config in
      let d = Filename.concat (Whyconf.datadir main)
                              (Filename.concat "drivers" "why3_itp.drv")
      in
      let d = Driver.load_driver env d [] in
      Debug.dprintf debug "[ITP server] driver for task printing loaded@.";
      d
    with e ->
372
373
      Format.eprintf "Fatal error while loading itp driver: %a@." Exn_printer.exn_printer e;
      exit 1
Clément Fumex's avatar
Clément Fumex committed
374

375
376
  let get_prover_list (config: Whyconf.config) =
    Mstr.fold (fun x _ acc -> x :: acc) (Whyconf.get_prover_shortcuts config) []
Sylvain Dailler's avatar
Sylvain Dailler committed
377

378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
  let init_server config env =
    let provers = Whyconf.get_provers config in
    let c = create_controller env in
    let task_driver = task_driver config env in
    Whyconf.Mprover.iter
      (fun _ p ->
       try
         let d = Driver.load_driver c.controller_env p.Whyconf.driver [] in
         Whyconf.Hprover.add c.controller_provers p.Whyconf.prover (p,d)
       with e ->
         Format.eprintf
           "[ITP server] error loading driver for prover %a: %a@."
           Whyconf.print_prover p.Whyconf.prover
           Exn_printer.exn_printer e)
      provers;
    server_data := Some
                     { config = config;
                       task_driver = task_driver;
396
                       sd_provers = provers;
397
                       cont = c }
Sylvain Dailler's avatar
Sylvain Dailler committed
398

Clément Fumex's avatar
Clément Fumex committed
399
400
  (* ------------ init controller ------------ *)

401
402
403
  (* Init cont on file or directory. It is called only when an
     Open_session_req is requested *)
  let init_cont f =
404
    let d = get_server_data () in
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
    let prover_list = get_prover_list d.config in
    let transformation_list = List.map fst (list_transforms ()) in
    let strategies_list =
      let l = strategies d.cont.controller_env d.config loaded_strategies in
      List.map (fun (a,_,_,_) -> a) l
    in
    let infos =
      {
        provers = prover_list;
        transformations = transformation_list;
        strategies = strategies_list;
        commands =
          List.map (fun (c,_,_) -> c) commands
      }
    in
420
    try (
Sylvain Dailler's avatar
Sylvain Dailler committed
421
      if (Sys.file_exists f) then
422
      begin
Sylvain Dailler's avatar
Sylvain Dailler committed
423
424
        if (Sys.is_directory f) then
        begin
425
426
427
428
          let b = cont_from_session_dir d.cont f in
          if b then
            P.notify (Initialized infos);
          b
Sylvain Dailler's avatar
Sylvain Dailler committed
429
430
431
        end
        else
        begin
432
433
434
435
          let b = cont_from_file d.cont f in
          if b then
            P.notify (Initialized infos);
          b
Sylvain Dailler's avatar
Sylvain Dailler committed
436
        end
437
438
      end
      else
439
440
441
442
        begin
          P.notify (Message (Open_File_Error ("Not a file: " ^ f)));
          false
        end)
443
    with
Sylvain Dailler's avatar
Sylvain Dailler committed
444
      | NotADirectory f ->
445
          P.notify (Message (Open_File_Error ("Not a directory: " ^ f))); false
Sylvain Dailler's avatar
Sylvain Dailler committed
446
      | BadFileName f ->
447
          P.notify (Message (Open_File_Error ("Bad file name: " ^ f))); false
448
449
450
451
      | e ->
          Format.eprintf "%a@." Exn_printer.exn_printer e;
          P.notify (Dead (Pp.string_of Exn_printer.exn_printer e));
          exit 1
Clément Fumex's avatar
Clément Fumex committed
452

Sylvain Dailler's avatar
Sylvain Dailler committed
453
  (* -----------------------------------   ------------------------------------- *)
Clément Fumex's avatar
Clément Fumex committed
454

455
456
457
  let get_node_type (node: any) =
    match node with
    | AFile _ -> NFile
Sylvain Dailler's avatar
Sylvain Dailler committed
458
459
460
461
    | ATh _   -> NTheory
    | ATn _   -> NTransformation
    | APn _   -> NGoal
    | APa _   -> NProofAttempt
462
463

  let get_node_name (node: any) =
464
    let d = get_server_data () in
465
466
467
468
469
470
    match node with
    | AFile file ->
      file.file_name
    | ATh th ->
      (theory_name th).Ident.id_string
    | ATn tn ->
471
      get_transf_name d.cont.controller_session tn
472
    | APn pn ->
473
      (get_proof_name d.cont.controller_session pn).Ident.id_string
474
    | APa pa ->
475
      let pa = get_proof_attempt_node d.cont.controller_session pa in
476
477
      Pp.string_of Whyconf.print_prover pa.prover

478
479
480
481
  let get_node_detached (node: any) =
    let d = get_server_data () in
    is_detached d.cont.controller_session node

482
483
484
  let get_node_proved new_id (node: any) =
    let d = get_server_data () in
    let cont = d.cont in
485
    match node with
486
487
    | AFile file ->
      P.notify (Node_change (new_id, Proved (file_proved cont file)))
488
    | ATh th ->
489
490
491
492
493
494
495
496
497
498
      P.notify (Node_change (new_id, Proved (th_proved cont th)))
    | ATn tn ->
      P.notify (Node_change (new_id, Proved (tn_proved cont tn)))
    | APn pn ->
      P.notify (Node_change (new_id, Proved (pn_proved cont pn)))
    | APa pa ->
      let pa = get_proof_attempt_node cont.controller_session pa in
      let is_obsolete = pa.proof_obsolete in
      let resource_limit = pa.limit in
      begin
499
        match pa.Session_itp.proof_state with
500
501
502
503
504
505
        | Some pa ->
            P.notify (Node_change (
                       new_id, Proof_status_change
                                (Done pa, is_obsolete, resource_limit)))
        | _ -> ()
      end
506

507
(*
Sylvain Dailler's avatar
Sylvain Dailler committed
508
509
510
511
512
  let get_info_and_type ses (node: any) =
    match node with
    | AFile file ->
        let name = file.file_name in
        let proved = file_proved cont file in
513
        NFile, {name; proved}
Sylvain Dailler's avatar
Sylvain Dailler committed
514
515
516
    | ATh th     ->
        let name = (theory_name th).Ident.id_string in
        let proved = th_proved cont th in
517
        NTheory, {name; proved}
Sylvain Dailler's avatar
Sylvain Dailler committed
518
519
520
    | ATn tn     ->
        let name = get_transf_name ses tn in
        let proved = tn_proved cont tn in
521
        NTransformation, {name; proved}
Sylvain Dailler's avatar
Sylvain Dailler committed
522
523
524
    | APn pn     ->
        let name = (get_proof_name ses pn).Ident.id_string in
        let proved = pn_proved cont pn in
525
          NGoal, {name; proved}
Sylvain Dailler's avatar
Sylvain Dailler committed
526
527
528
    | APa pan    ->
        let pa = get_proof_attempt_node ses pan in
        let name = Pp.string_of Whyconf.print_prover pa.prover in
Clément Fumex's avatar
Clément Fumex committed
529
530
531
        let pr, proved = match pa.Session_itp.proof_state with
        | Some pr -> Some pr.pr_answer, pr.pr_answer = Valid
        | None -> None, false
Sylvain Dailler's avatar
Sylvain Dailler committed
532
        in
Clément Fumex's avatar
Clément Fumex committed
533
534
        (NProofAttempt (pr, pa.proof_obsolete)),
        {name; proved}
535
*)
Sylvain Dailler's avatar
Sylvain Dailler committed
536

537
538
539
540
541
542
543
544
545
546
(* fresh gives new fresh "names" for node_ID using a counter.
   reset resets the counter so that we can regenerate node_IDs as if session
   was fresh *)
  let reset, fresh =
    let count = ref 0 in
    (fun () ->
      count := 0),
    fun () ->
      count := !count + 1;
      !count
Sylvain Dailler's avatar
Sylvain Dailler committed
547

548
  let model_any : any Hint.t = Hint.create 17
Clément Fumex's avatar
Clément Fumex committed
549

550
  let any_from_node_ID (nid:node_ID) : any = Hint.find model_any nid
Clément Fumex's avatar
Clément Fumex committed
551
552
553
554
555
556
557
558
559
560
561
562

  let pan_to_node_ID  : node_ID Hpan.t = Hpan.create 17
  let pn_to_node_ID   : node_ID Hpn.t = Hpn.create 17
  let tn_to_node_ID   : node_ID Htn.t = Htn.create 17
  let th_to_node_ID   : node_ID Ident.Hid.t = Ident.Hid.create 7
  let file_to_node_ID : node_ID Hstr.t = Hstr.create 3

  let node_ID_from_pan  pan  = Hpan.find pan_to_node_ID pan
  let node_ID_from_pn   pn   = Hpn.find pn_to_node_ID pn
  let node_ID_from_tn   tn   = Htn.find tn_to_node_ID tn
  let node_ID_from_th   th   = Ident.Hid.find th_to_node_ID (theory_name th)
  let node_ID_from_file file = Hstr.find file_to_node_ID (file.file_name)
Clément Fumex's avatar
Clément Fumex committed
563

564
565
566
567
568
569
570
571
  let node_ID_from_any  any  =
    match any with
    | AFile file -> node_ID_from_file file
    | ATh th     -> node_ID_from_th th
    | ATn tn     -> node_ID_from_tn tn
    | APn pn     -> node_ID_from_pn pn
    | APa pan    -> node_ID_from_pan pan

Clément Fumex's avatar
Clément Fumex committed
572

Sylvain Dailler's avatar
Sylvain Dailler committed
573
  let get_prover p =
574
    let d = get_server_data () in
575
    match return_prover p d.config with
Sylvain Dailler's avatar
Sylvain Dailler committed
576
577
    | None -> raise (Bad_prover_name p)
    | Some c -> c
Clément Fumex's avatar
Clément Fumex committed
578

Sylvain Dailler's avatar
Sylvain Dailler committed
579
580
581
582
583
584
585
  let add_node_to_table node new_id =
    match node with
    | AFile file -> Hstr.add file_to_node_ID file.file_name new_id
    | ATh th     -> Ident.Hid.add th_to_node_ID (theory_name th) new_id
    | ATn tn     -> Htn.add tn_to_node_ID tn new_id
    | APn pn     -> Hpn.add pn_to_node_ID pn new_id
    | APa pan    -> Hpan.add pan_to_node_ID pan new_id
Clément Fumex's avatar
Clément Fumex committed
586

Sylvain Dailler's avatar
Sylvain Dailler committed
587
  (* Create a new node in the_tree, update the tables and send a
Clément Fumex's avatar
Clément Fumex committed
588
     notification about it *)
Sylvain Dailler's avatar
Sylvain Dailler committed
589
  let new_node ~parent node : node_ID =
590
591
    let new_id = fresh () in
      Hint.add model_any new_id node;
592
593
      let node_type = get_node_type node in
      let node_name = get_node_name node in
594
      let node_detached = get_node_detached node in
Sylvain Dailler's avatar
Sylvain Dailler committed
595
      add_node_to_table node new_id;
596
      P.notify (New_node (new_id, parent, node_type, node_name, node_detached));
597
      get_node_proved new_id node;
Clément Fumex's avatar
Clément Fumex committed
598
599
      new_id

Sylvain Dailler's avatar
Sylvain Dailler committed
600
601
602
  (****************************)
  (* Iter on the session tree *)
  (****************************)
Sylvain Dailler's avatar
Sylvain Dailler committed
603

604
605
606
607
  (* Iter on the session tree with a function [f parent current] with type
     node_ID -> any -> unit *)
  let iter_subtree_proof_attempt_from_goal
    (f: parent:node_ID -> any -> unit) parent id =
608
    let d = get_server_data () in
Clément Fumex's avatar
Clément Fumex committed
609
    Whyconf.Hprover.iter
610
      (fun _pa panid -> f ~parent (APa panid))
611
      (get_proof_attempt_ids d.cont.controller_session id)
Clément Fumex's avatar
Clément Fumex committed
612

613
614
  let rec iter_subtree_from_goal
    (f: parent:node_ID -> any -> unit) parent id =
615
616
    let d = get_server_data () in
    let ses = d.cont.controller_session in
617
618
    f ~parent (APn id);
    let nid = node_ID_from_pn id in
Clément Fumex's avatar
Clément Fumex committed
619
    List.iter
620
      (fun trans_id -> iter_subtree_from_trans f nid trans_id)
Clément Fumex's avatar
Clément Fumex committed
621
      (get_transformations ses id);
622
    iter_subtree_proof_attempt_from_goal f nid id
Clément Fumex's avatar
Clément Fumex committed
623

624
625
  and iter_subtree_from_trans
    (f: parent:node_ID -> any -> unit) parent trans_id =
626
627
    let d = get_server_data () in
    let ses = d.cont.controller_session in
628
629
    f ~parent (ATn trans_id);
    let nid = node_ID_from_tn trans_id in
Clément Fumex's avatar
Clément Fumex committed
630
    List.iter
631
      (fun goal_id -> (iter_subtree_from_goal f nid goal_id))
Sylvain Dailler's avatar
Sylvain Dailler committed
632
      (get_sub_tasks ses trans_id)
Clément Fumex's avatar
Clément Fumex committed
633

634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
  let iter_subtree_from_theory
    (f: parent:node_ID -> any -> unit) parent theory_id =
    f ~parent (ATh theory_id);
    let nid = node_ID_from_th theory_id in
    List.iter (iter_subtree_from_goal f nid)
               (theory_goals theory_id)

  let iter_subtree_from_file
    (f: parent:node_ID -> any -> unit) parent file =
    f ~parent (AFile file);
    let nid = node_ID_from_file file in
    List.iter (iter_subtree_from_theory f nid)
      file.file_theories

  let iter_the_files (f: parent:node_ID -> any -> unit) parent : unit =
649
650
    let d = get_server_data () in
    let ses = d.cont.controller_session in
Clément Fumex's avatar
Clément Fumex committed
651
652
653
    let files = get_files ses in
    Stdlib.Hstr.iter
      (fun _ file ->
654
        iter_subtree_from_file f parent file)
Sylvain Dailler's avatar
Sylvain Dailler committed
655
      files
Clément Fumex's avatar
Clément Fumex committed
656

Sylvain Dailler's avatar
Sylvain Dailler committed
657
658
659
660
  (**********************************)
  (* Initialization of session tree *)
  (**********************************)

661
662
  let _init_the_tree (): unit =
    let f ~parent node_id = ignore (new_node ~parent node_id) in
Sylvain Dailler's avatar
Sylvain Dailler committed
663
    iter_the_files f root_node
664
665

  let init_and_send_subtree_from_trans parent trans_id : unit =
Clément Fumex's avatar
Clément Fumex committed
666
667
    iter_subtree_from_trans
      (fun ~parent id -> ignore (new_node ~parent id)) parent trans_id
668

Sylvain Dailler's avatar
Sylvain Dailler committed
669
670
  let init_and_send_file f =
    iter_subtree_from_file (fun ~parent id -> ignore (new_node ~parent id))
Sylvain Dailler's avatar
Sylvain Dailler committed
671
      root_node f
Sylvain Dailler's avatar
Sylvain Dailler committed
672

673
  let init_and_send_the_tree (): unit =
Sylvain Dailler's avatar
Sylvain Dailler committed
674
    iter_the_files (fun ~parent id -> ignore (new_node ~parent id)) root_node
675
676
677
678

  let resend_the_tree (): unit =
    let send_node ~parent any =
      let node_id = node_ID_from_any any in
679
680
      let node_name = get_node_name any in
      let node_type = get_node_type any in
681
      let node_detached = get_node_detached any in
682
683
      P.notify (New_node (node_id, parent, node_type, node_name, node_detached));
      get_node_proved node_id any in
Sylvain Dailler's avatar
Sylvain Dailler committed
684
    iter_the_files send_node root_node
685

Clément Fumex's avatar
Clément Fumex committed
686
  (* -- send the task -- *)
687
688
689
690
691
692
693
  let task_of_id d id =
    let task = get_task d.cont.controller_session id in
    let tables = get_tables d.cont.controller_session id in
    Pp.string_of
      (Driver.print_task ~cntexample:false ?name_table:tables d.task_driver)
      task

Clément Fumex's avatar
Clément Fumex committed
694
  let send_task nid =
695
    let d = get_server_data () in
Clément Fumex's avatar
Clément Fumex committed
696
697
    match any_from_node_ID nid with
    | APn id ->
698
699
700
701
702
703
704
705
706
707
708
709
710
711
       let s = task_of_id d id in
       P.notify (Task (nid,s))
    | ATh t ->
       P.notify (Task (nid, "Theory " ^ (theory_name t).Ident.id_string))
    | APa pid ->
       let parid = get_proof_attempt_parent  d.cont.controller_session pid in
       let s = task_of_id d parid in
       P.notify (Task (nid,s))
    | AFile f ->
       P.notify (Task (nid, "File " ^ f.file_name))
    | ATn tid ->
       let name = get_transf_name d.cont.controller_session tid in
       let args = get_transf_args d.cont.controller_session tid in
       P.notify (Task (nid, "Transformation " ^ String.concat " " (name :: args)))
712

Sylvain Dailler's avatar
Sylvain Dailler committed
713
714
715
716
717
718
719
720
721
722
723
724
  (* -------------------- *)

  (* Add a file into the session when (Add_file_req f) is sent *)
  (* Note that f is the path from execution directory to the file and fn is the
     path from the session directory to the file. *)
  let add_file_to_session cont f =
    let fn = Sysutil.relativize_filename
      (Session_itp.get_dir cont.controller_session) f in
    let files = get_files cont.controller_session in
    if (not (Stdlib.Hstr.mem files fn)) then
      if (Sys.file_exists f) then
      begin
725
726
727
728
        let b = add_file cont f in
        if b then
          let file = Stdlib.Hstr.find files fn in
          init_and_send_file file
Sylvain Dailler's avatar
Sylvain Dailler committed
729
730
731
      end
      else
        P.notify (Message (Open_File_Error ("Not a file: " ^ f)))
732
    else
Sylvain Dailler's avatar
Sylvain Dailler committed
733
      P.notify (Message (Open_File_Error ("File already in session: " ^ fn)))
734
735


Clément Fumex's avatar
Clément Fumex committed
736
737
738
739
740
  (* ----------------- Schedule proof attempt -------------------- *)

  (* Callback of a proof_attempt *)
  let callback_update_tree_proof cont panid pa_status =
    let ses = cont.controller_session in
Clément Fumex's avatar
Clément Fumex committed
741
    begin match pa_status with
Clément Fumex's avatar
Clément Fumex committed
742
743
744
745
746
747
748
749
750
751
752
    | Scheduled ->
      begin
        try
          ignore (node_ID_from_pan panid)
        (* TODO: do we notify here ? *)
        with Not_found ->
          let parent_id = get_proof_attempt_parent ses panid in
          let parent = node_ID_from_pn parent_id in
          ignore (new_node ~parent (APa panid))
      end
    | _  -> () (* TODO ? *)
Clément Fumex's avatar
Clément Fumex committed
753
    end;
754
755
756
    let limit = (get_proof_attempt_node cont.controller_session panid).limit in
    let new_status = Proof_status_change (pa_status, false, limit) in
    P.notify (Node_change (node_ID_from_pan panid, new_status))
Clément Fumex's avatar
Clément Fumex committed
757

758
  let notify_change_proved x b =
759
760
    try (
      let node_ID = node_ID_from_any x in
761
      P.notify (Node_change (node_ID, Proved b))
762
763
764
     )
    with Not_found -> ()

Clément Fumex's avatar
Clément Fumex committed
765
  let schedule_proof_attempt nid (p: Whyconf.config_prover) limit =
766
    let d = get_server_data () in
Clément Fumex's avatar
Clément Fumex committed
767
    let prover = p.Whyconf.prover in
768
    let callback = callback_update_tree_proof d.cont in
Clément Fumex's avatar
Clément Fumex committed
769
770
771
772
    let goals =
      match any_from_node_ID nid with
      | APn pnid   -> [pnid]
      | APa panid  ->
773
          let ses = d.cont.controller_session in
Clément Fumex's avatar
Clément Fumex committed
774
775
          [get_proof_attempt_parent ses panid]
      | ATn tn     ->
776
        List.rev (unproven_goals_below_tn d.cont [] tn)
Clément Fumex's avatar
Clément Fumex committed
777
      | AFile file ->
778
        List.rev (unproven_goals_below_file d.cont file)
Clément Fumex's avatar
Clément Fumex committed
779
      | ATh th     ->
780
        List.rev (unproven_goals_below_th d.cont [] th)
Clément Fumex's avatar
Clément Fumex committed
781
    in
782
    List.iter (fun id -> C.schedule_proof_attempt d.cont id prover
Sylvain Dailler's avatar
Sylvain Dailler committed
783
                ~limit ~callback ~notification:notify_change_proved)
Clément Fumex's avatar
Clément Fumex committed
784
785
786
787
788
789
      goals

  (* ----------------- Schedule transformation -------------------- *)

  (* Callback of a transformation *)
  let callback_update_tree_transform status =
790
    let d = get_server_data () in
Clément Fumex's avatar
Clément Fumex committed
791
792
    match status with
    | TSdone trans_id ->
793
      let ses = d.cont.controller_session in
Clément Fumex's avatar
Clément Fumex committed
794
795
      let id = get_trans_parent ses trans_id in
      let nid = node_ID_from_pn id in
796
      init_and_send_subtree_from_trans nid trans_id
Clément Fumex's avatar
Clément Fumex committed
797
798
    | TSfailed (id, e) ->
      let msg =
799
        Pp.sprintf "%a" (get_exception_message d.cont.controller_session id) e
Clément Fumex's avatar
Clément Fumex committed
800
      in
Sylvain Dailler's avatar
Sylvain Dailler committed
801
      P.notify (Message (Transf_error (node_ID_from_pn id, msg)))
Clément Fumex's avatar
Clément Fumex committed
802
803
804
    | _ -> ()

  let rec apply_transform nid t args =
805
    let d = get_server_data () in
Clément Fumex's avatar
Clément Fumex committed
806
807
808
    match any_from_node_ID nid with
    | APn id ->
      let callback = callback_update_tree_transform in
809
      C.schedule_transformation d.cont id t args ~callback ~notification:notify_change_proved
Clément Fumex's avatar
Clément Fumex committed
810
    | APa panid ->
811
      let parent_id = get_proof_attempt_parent d.cont.controller_session panid in
Clément Fumex's avatar
Clément Fumex committed
812
813
814
815
816
817
818
819
820
      let parent = node_ID_from_pn parent_id in
      apply_transform parent t args
    | ATn _ | AFile _ | ATh _ ->
      (* TODO: propagate trans to all subgoals, just the first one, do nothing ... ?  *)
      ()

  (* ----------------- run strategy -------------------- *)

  let run_strategy_on_task nid s =
821
    let d = get_server_data () in
Clément Fumex's avatar
Clément Fumex committed
822
823
    match any_from_node_ID nid with
    | APn id ->
824
      let l = strategies d.cont.controller_env d.config loaded_strategies in
Clément Fumex's avatar
Clément Fumex committed
825
826
827
828
829
830
831
832
      let st = List.filter (fun (_,c,_,_) -> c=s) l in
      begin
        match st with
        | [(n,_,_,st)] ->
          Format.printf "running strategy '%s'@." n;
          let callback sts =
            Format.printf "Strategy status: %a@." print_strategy_status sts
          in
833
          let callback_pa = callback_update_tree_proof d.cont in
Clément Fumex's avatar
Clément Fumex committed
834
          let callback_tr st = callback_update_tree_transform st in
835
          C.run_strategy_on_goal d.cont id st ~callback_pa ~callback_tr ~callback ~notification:notify_change_proved
Clément Fumex's avatar
Clément Fumex committed
836
837
838
        | _ -> Format.printf "Strategy '%s' not found@." s
      end
    | _ -> ()
Clément Fumex's avatar
Clément Fumex committed
839

Sylvain Dailler's avatar
Sylvain Dailler committed
840
841
  (* ----------------- Save session --------------------- *)
  let save_session () =
842
843
    let d = get_server_data () in
    Session_itp.save_session d.cont.controller_session;
Sylvain Dailler's avatar
Sylvain Dailler committed
844
845
846
847
    P.notify Saved

  (* ----------------- Reload session ------------------- *)
  let clear_tables () : unit =
848
849
    reset ();
    Hint.clear model_any;
Sylvain Dailler's avatar
Sylvain Dailler committed
850
851
852
853
854
855
856
    Hpan.clear pan_to_node_ID;
    Hpn.clear pn_to_node_ID;
    Htn.clear tn_to_node_ID;
    Ident.Hid.clear th_to_node_ID;
    Hstr.clear file_to_node_ID

  let reload_session () : unit =
857
    let d = get_server_data () in
Sylvain Dailler's avatar
Sylvain Dailler committed
858
    clear_tables ();
859
860
861
    let b = reload_files d.cont ~use_shapes:true in
    if b then
      init_and_send_the_tree ()
Sylvain Dailler's avatar
Sylvain Dailler committed
862
863

  let replay_session () : unit =
864
    let d = get_server_data () in
865
866
    let callback = fun lr ->
      P.notify (Message (Replay_Info (Pp.string_of C.replay_print lr))) in
Sylvain Dailler's avatar
Sylvain Dailler committed
867
    (* TODO make replay print *)
868
    C.replay ~use_steps:false d.cont ~callback:callback ~remove_obsolete:false
Sylvain Dailler's avatar
Sylvain Dailler committed
869

Clément Fumex's avatar
Clément Fumex committed
870
  (* ----------------- treat_request -------------------- *)
Clément Fumex's avatar
Clément Fumex committed
871

Sylvain Dailler's avatar
Sylvain Dailler committed
872
873
874
875
876
877
878
879
  let get_proof_node_id nid =
    try
      match any_from_node_ID nid with
      | APn pn_id -> Some pn_id
      | _ -> None
    with
      Not_found -> None

880
  let rec treat_request r =
881
    let d = get_server_data () in
882
883
    try (
    match r with
884
    | Prove_req (nid,p,limit)      ->
Sylvain Dailler's avatar
Sylvain Dailler committed
885
886
887
888
889
890
891
      let p = try Some (get_prover p) with
      | Bad_prover_name p -> P.notify (Message (Proof_error (nid, "Bad prover name" ^ p))); None
      in
      begin match p with
      | None -> ()
      | Some p -> schedule_proof_attempt nid p limit
      end
892
893
894
    | Transform_req (nid, t, args) -> apply_transform nid t args
    | Strategy_req (nid, st)       -> run_strategy_on_task nid st
    | Save_req                     -> save_session ()
Sylvain Dailler's avatar
Sylvain Dailler committed
895
    | Reload_req                   -> reload_session ()
896
    | Get_Session_Tree_req         -> resend_the_tree ()
897
898
899
900
901
902
903
904
905
906
    | Remove_subtree nid           ->
        let n = any_from_node_ID nid in
        begin
        try
          Session_itp.remove_subtree d.cont.controller_session n ~notification:(fun x ->
            let nid = node_ID_from_any x in
            P.notify (Remove nid))
        with RemoveError -> (* TODO send an error instead of information *)
          P.notify (Message (Information "Cannot remove a proof node or theory"))
        end
Sylvain Dailler's avatar
Sylvain Dailler committed
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
    | Copy_paste (from_id, to_id)    ->
        let from_any = any_from_node_ID from_id in
        let to_any = any_from_node_ID to_id in
        C.copy_paste ~notification:notify_change_proved
          ~callback_pa:(callback_update_tree_proof d.cont)
          ~callback_tr:(callback_update_tree_transform)
          d.cont from_any to_any

    | Copy_detached from_id        ->
        let from_any = any_from_node_ID from_id in
        let copy ~parent p =
          let parent = node_ID_from_any parent in
          ignore (new_node ~parent p)
        in
        C.copy_detached ~copy d.cont from_any
922
923
924
925
926
927
    | Get_file_contents f          ->
       begin try let s = Sysutil.file_contents f in
                 P.notify (File_contents(f,s))
             with Invalid_argument s ->
               P.notify (Message (Error s))
       end
928
929
930
    | Get_task nid                 -> send_task nid
    | Replay_req                   -> replay_session (); resend_the_tree ()
    | Command_req (nid, cmd)       ->
Sylvain Dailler's avatar
Sylvain Dailler committed
931
      begin
Sylvain Dailler's avatar
Sylvain Dailler committed
932
        let snid = get_proof_node_id nid in
933
        match (interp commands commands_table d.config d.cont snid cmd) with
934
        | Transform (s, _t, args) -> treat_request (Transform_req (nid, s, args))
Sylvain Dailler's avatar
Sylvain Dailler committed
935
936
937
938
939
940
        | Query s                 -> P.notify (Message (Query_Info (nid, s)))
        | Prove (p, limit)        -> schedule_proof_attempt nid p limit
        | Strategies st           -> run_strategy_on_task nid st
        | Help_message s          -> P.notify (Message (Help s))
        | QError s                -> P.notify (Message (Query_Error (nid, s)))
        | Other (s, _args)        ->
Sylvain Dailler's avatar
Sylvain Dailler committed
941
            P.notify (Message (Information ("Unknown command: "^s)))
Sylvain Dailler's avatar
Sylvain Dailler committed
942
      end
Sylvain Dailler's avatar
Sylvain Dailler committed
943
    | Add_file_req f ->
944
      add_file_to_session d.cont f
945
    | Open_session_req file_or_dir_name      ->
946
947
948
949
950
951
952
      begin
        let b = init_cont file_or_dir_name in
        if b then
          reload_session ()
        else
          () (* Eventually print debug here *)
      end
Clément Fumex's avatar
Clément Fumex committed
953
    | Set_max_tasks_req i     -> C.set_max_tasks i
954
    | Exit_req                -> exit 0
955
956
     )
    with e -> P.notify (Message (Error (Pp.string_of
957
958
959
      (fun fmt (r,e) -> Format.fprintf fmt
          "There was an unrecoverable error during treatment of request:\n %a\nwith exception: %a"
    print_request r Exn_printer.exn_printer e ) (r, e))))
Clément Fumex's avatar
Clément Fumex committed
960
961
962
963
964

  let treat_requests () : bool =
    List.iter treat_request (P.get_requests ());
    true

965
966
967
968
969
970
971
972
973
974
975
976
  let update_monitor =
    let tr = ref 0 in
    let sr = ref 0 in
    let rr = ref 0 in
    fun t s r ->
      if (not (t = !tr && s = !sr && r = !rr)) then
        begin
          P.notify (Message (Task_Monitor (t,s,r)));
          tr := t;
          sr := s;
          rr := r
        end
Clément Fumex's avatar
Clément Fumex committed
977

Clément Fumex's avatar
Clément Fumex committed
978
979
980
981
  let _ =
    S.timeout ~ms:100 treat_requests;
    (* S.idle ~prio:1 treat_requests; *)
    C.register_observer update_monitor
Clément Fumex's avatar
Clément Fumex committed
982
983

end