1 (* virt-ctrl: A graphical management tool.
2 (C) Copyright 2007 Richard W.M. Jones, Red Hat Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 let title = "Virtual Control"
24 let utf8_copyright = "\194\169"
28 let gtk_major, gtk_minor, gtk_micro = GMain.Main.version in
29 sprintf "%d.%d.%d" gtk_major gtk_minor gtk_micro in
30 let virt_version = string_of_int (fst (Libvirt.get_version ())) in
31 let title = "About " ^ title in
32 let icon = GMisc.image () in
33 icon#set_stock `DIALOG_INFO;
34 icon#set_icon_size `DIALOG;
38 ("Virtualization control tool (virt-ctrl) by\n" ^
39 "Richard W.M. Jones (rjones@redhat.com).\n\n" ^
40 "Copyright " ^ utf8_copyright ^ " 2007-2008 Red Hat Inc.\n\n" ^
41 "Libvirt version: " ^ virt_version ^ "\n" ^
42 "Gtk toolkit version: " ^ gtk_version)
44 (* Catch any exception and throw up a dialog. *)
46 (* A nicer exception printing function. *)
47 let string_of_exn = function
48 | Libvirt.Virterror err ->
49 "Virtualisation error: " ^ (Libvirt.Virterror.to_string err)
51 | exn -> Printexc.to_string exn
53 GtkSignal.user_handler :=
55 let label = string_of_exn exn in
57 let title = "Error" in
58 let icon = GMisc.image () in
59 icon#set_stock `DIALOG_ERROR;
60 icon#set_icon_size `DIALOG;
61 GToolbox.message_box ~title ~icon label
64 ~start_domain ~pause_domain ~resume_domain ~shutdown_domain
65 ~open_domain_details =
66 (* Create the main window. *)
67 let window = GWindow.window ~width:800 ~height:600 ~title () in
68 let vbox = GPack.vbox ~packing:window#add () in
72 let menubar = GMenu.menu_bar ~packing:vbox#pack () in
73 let factory = new GMenu.factory menubar in
74 let accel_group = factory#accel_group in
75 let file_menu = factory#add_submenu "File" in
76 let help_menu = factory#add_submenu "Help" in
78 window#add_accel_group accel_group;
81 let factory = new GMenu.factory file_menu ~accel_group in
82 let open_item = factory#add_item "Open connection ..."
84 ignore (factory#add_separator ());
85 let quit_item = factory#add_item "Quit" ~key:GdkKeysyms._Q in
87 ignore (open_item#connect#activate
88 ~callback:(Vc_connection_dlg.open_connection window));
91 let factory = new GMenu.factory help_menu ~accel_group in
92 let help_item = factory#add_item "Help" in
93 let help_about_item = factory#add_item "About ..." in
95 ignore (help_about_item#connect#activate ~callback:help_about);
100 let toolbar = GButton.toolbar ~packing:vbox#pack () in
103 let (tree, model, columns, initial_state) =
104 Vc_connections.make_treeview
105 ~packing:(vbox#pack ~expand:true ~fill:true) () in
107 (* Add buttons to the toolbar (requires the treeview to
108 * have been made above).
111 let connect_button_menu = GMenu.menu () in
113 GButton.menu_tool_button
114 ~label:"Connect ..." ~stock:`CONNECT
115 ~menu:connect_button_menu
116 ~packing:toolbar#insert () in
117 ignore (GButton.separator_tool_item ~packing:toolbar#insert ());
119 GButton.tool_button ~label:"Details" ~stock:`OPEN
120 ~packing:toolbar#insert () in
121 ignore (GButton.separator_tool_item ~packing:toolbar#insert ());
123 GButton.tool_button ~label:"Start" ~stock:`ADD
124 ~packing:toolbar#insert () in
126 GButton.tool_button ~label:"Pause" ~stock:`MEDIA_PAUSE
127 ~packing:toolbar#insert () in
129 GButton.tool_button ~label:"Resume" ~stock:`MEDIA_PLAY
130 ~packing:toolbar#insert () in
131 ignore (GButton.separator_tool_item ~packing:toolbar#insert ());
132 let shutdown_button =
133 GButton.tool_button ~label:"Shutdown" ~stock:`STOP
134 ~packing:toolbar#insert () in
136 (* Set callbacks for the toolbar buttons. *)
137 ignore (connect_button#connect#clicked
138 ~callback:(Vc_connection_dlg.open_connection window));
139 ignore (open_button#connect#clicked
140 ~callback:(open_domain_details tree model columns));
141 ignore (start_button#connect#clicked
142 ~callback:(start_domain tree model columns));
143 ignore (pause_button#connect#clicked
144 ~callback:(pause_domain tree model columns));
145 ignore (resume_button#connect#clicked
146 ~callback:(resume_domain tree model columns));
147 ignore (shutdown_button#connect#clicked
148 ~callback:(shutdown_domain tree model columns));
150 (* Set a menu on the connect menu-button. *)
152 let factory = new GMenu.factory connect_button_menu (*~accel_group*) in
153 let local_xen = factory#add_item "Local Xen" in
154 let local_qemu = factory#add_item "Local QEMU/KVM" in
155 ignore (factory#add_separator ());
156 let open_dialog = factory#add_item "Connect to ..." in
157 ignore (local_xen#connect#activate
158 ~callback:Vc_connection_dlg.open_local_xen);
159 ignore (local_qemu#connect#activate
160 ~callback:Vc_connection_dlg.open_local_qemu);
161 ignore (open_dialog#connect#activate
162 ~callback:(Vc_connection_dlg.open_connection window)) in
165 (* Make a timeout function which is called once per second. *)
166 let state = ref initial_state in
168 (* Gc.compact is generally not safe in lablgtk programs, but
169 * is explicitly allowed in timeouts (see lablgtk README).
170 * This ensures memory is compacted regularly, but is also an
171 * excellent way to catch memory bugs in the ocaml libvirt bindings.
175 (* Ugh: Bug in lablgtk causes a segfault if a timeout raises an
176 * exception. Catch and print exceptions instead.
178 (try state := Vc_connections.repopulate tree model columns !state
179 with exn -> prerr_endline (Printexc.to_string exn));
183 let timeout_id = GMain.Timeout.add ~ms:1000 ~callback in
187 GMain.Timeout.remove timeout_id;
192 ignore (window#connect#destroy ~callback:GMain.quit);
193 ignore (window#event#connect#delete ~callback:quit);
194 ignore (quit_item#connect#activate
195 ~callback:(fun () -> ignore (quit ()); ()));
197 (* Display the window. *)