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(* libguestfs OCaml bindings
* Copyright (C) 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
let log g ev eh buf array =
let ev =
match ev with
| Guestfs.EVENT_CLOSE -> "close"
| Guestfs.EVENT_SUBPROCESS_QUIT -> "subprocess_quit"
| Guestfs.EVENT_LAUNCH_DONE -> "launch_done"
| Guestfs.EVENT_PROGRESS -> "progress"
| Guestfs.EVENT_APPLIANCE -> "appliance"
| Guestfs.EVENT_LIBRARY -> "library"
| Guestfs.EVENT_TRACE -> "trace"
| Guestfs.EVENT_ENTER -> "enter" in
let eh : int = Obj.magic eh in
printf "ocaml event logged: event=%s eh=%d buf=%S array=[%s]\n"
ev eh buf
(String.concat ", " (List.map Int64.to_string (Array.to_list array)))
let close_invoked = ref 0
let close g ev eh buf array =
incr close_invoked;
log g ev eh buf array
let () =
let g = new Guestfs.guestfs () in
(* Grab log, trace and daemon messages into our own custom handler
* which prints the messages with a particular prefix.
*)
let events = [Guestfs.EVENT_APPLIANCE; Guestfs.EVENT_LIBRARY;
Guestfs.EVENT_TRACE] in
ignore (g#set_event_callback log events);
(* Check that the close event is invoked. *)
ignore (g#set_event_callback close [Guestfs.EVENT_CLOSE]);
(* Now make sure we see some messages. *)
g#set_trace true;
g#set_verbose true;
(* Do some stuff. *)
g#add_drive_ro "/dev/null";
g#set_autosync true;
(* Close the handle -- should call the close callback. *)
assert (!close_invoked = 0);
g#close ();
assert (!close_invoked = 1);
(* Run full garbage collection. *)
Gc.compact ()
|
