+(* 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., 675 Mass Ave, Cambridge, MA 02139, 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" 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 ()