Rename source directory and files.

[virt-top.git] / src / main.ml

diff --git a/src/main.ml b/src/main.ml
new file mode 100644 (file)
index 0000000..34d13c8
--- /dev/null
+++ b/src/main.ml
@@ -0,0 +1,72 @@
+(* 'top'-like tool for libvirt domains.
+   (C) Copyright 2007-2009 Richard W.M. Jones, Red Hat Inc.
+   http://libvirt.org/
+
+   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.
+
+   Just contains the main function.
+*)
+
+open Curses
+
+open Opt_gettext.Gettext
+open Top
+
+(* Note: make sure we catch any exceptions and clean up the display.
+ *
+ * Note (2): make sure all exit paths call the GC so that we can check
+ * that all allocated resources are being counted properly (by running
+ * the program under --debug ...).
+ *)
+
+let () = Printexc.record_backtrace true
+
+let ((_, _, script_mode, _, stream_mode, _, _, _) as setup) =
+  try start_up ()
+  with
+  | Failure msg ->
+      prerr_endline msg;
+      Printexc.print_backtrace stderr;
+      exit 1
+  | exn ->
+      prerr_endline (s_ "Error" ^ ": " ^ Printexc.to_string exn);
+      Printexc.print_backtrace stderr;
+      exit 1
+
+let () =
+  try
+    main_loop setup;
+    if not script_mode && not stream_mode then endwin ();
+    Gc.compact ();
+    exit 0
+  with
+  | Libvirt.Virterror err ->
+      if not script_mode && not stream_mode then endwin ();
+      prerr_endline (Libvirt.Virterror.to_string err);
+      Printexc.print_backtrace stderr;
+      Gc.compact ();
+      exit 1
+  | Failure msg ->
+      if not script_mode && not stream_mode then endwin ();
+      prerr_endline msg;
+      Printexc.print_backtrace stderr;
+      Gc.compact ();
+      exit 1
+  | exn ->
+      if not script_mode && not stream_mode then endwin ();
+      prerr_endline (s_ "Error" ^ ": " ^ Printexc.to_string exn);
+      Printexc.print_backtrace stderr;
+      Gc.compact ();
+      exit 1