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(*
Copyright © 2011 MLstate

This file is part of OPA.

OPA is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License, version 3, as published by
the Free Software Foundation.

OPA is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
more details.

You should have received a copy of the GNU Affero General Public License
along with OPA. If not, see <http://www.gnu.org/licenses/>.
*)
(* DB-serialisation: dump-recovery of the database *)

module C = QmlCpsServerLib
module D = Badop.Dialog
module E = Badop_engine

open C.Ops (* This file follows the duck-style cps guidelines © *)

module DbSerializer = Xml_dump.F(
  struct
    type 'a continuation = 'a C.continuation
    let mkcont = C.ccont_ml
    let return = (|>)
  end
)

##register [cps-bypass] dump_db : Badoplink.database, string, continuation(opa[void]) -> void
let dump_db db file k =
  Badoplink.trans_start db @> C.ccont_ml k
  @> fun tr ->
    let db_read = tr.Badoplink.tr_engine.E.read tr.Badoplink.tr in
    DbSerializer.to_file db_read file @> C.ccont_ml k
    @> fun () -> ServerLib.void |> k
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