2 * Copyright (C) 2010-2011 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 external progress_bar_init : machine_readable:bool -> progress_bar
27 = "virt_sparsify_progress_bar_init"
28 external progress_bar_reset : progress_bar -> unit
29 = "virt_sparsify_progress_bar_reset"
30 external progress_bar_set : progress_bar -> int64 -> int64 -> unit
31 = "virt_sparsify_progress_bar_set"
33 let set_up_progress_bar ?(machine_readable = false) (g : Guestfs.guestfs) =
34 (* Initialize the C mini library. *)
35 let bar = progress_bar_init ~machine_readable in
37 (* Reset the progress bar before every libguestfs function. *)
38 let enter_callback g event evh buf array =
39 if event = G.EVENT_ENTER then
40 progress_bar_reset bar
43 (* A progress event: move the progress bar. *)
44 let progress_callback g event evh buf array =
45 if event = G.EVENT_PROGRESS && Array.length array >= 4 then (
46 let position = array.(2)
47 and total = array.(3) in
49 progress_bar_set bar position total
53 ignore (g#set_event_callback enter_callback [G.EVENT_ENTER]);
54 ignore (g#set_event_callback progress_callback [G.EVENT_PROGRESS])