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(* virt-resize
* Copyright (C) 2010-2011 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
open Printf
open Utils
module G = Guestfs
let set_up_progress_bar (g : Guestfs.guestfs) =
let progress_callback g event evh buf array =
if event = G.EVENT_PROGRESS && Array.length array >= 4 then (
(*let proc_nr = array.(0)
and serial = array.(1)*)
let position = array.(2)
and total = array.(3) in
let ratio =
if total <> 0L then Int64.to_float position /. Int64.to_float total
else 0. in
let ratio =
if ratio < 0. then 0. else if ratio > 1. then 1. else ratio in
let dots = int_of_float (ratio *. 72.) in
print_string "[";
for i = 0 to dots-1 do print_char '#' done;
for i = dots to 71 do print_char '-' done;
print_string "]\r";
if ratio = 1. then print_string "\n";
flush stdout
)
in
ignore (g#set_event_callback progress_callback [G.EVENT_PROGRESS])
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