[gnome-boxes] libvirt-machine: Only gather stats in running state

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit f2bdae3fdb98e00d10476e1b514c925389fefa8f
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed Oct 10 19:22:27 2012 +0300

    libvirt-machine: Only gather stats in running state
    
    There is no need to keep querying libvirt for stats/info on domain if
    domain is not running. Doing so only wastes host resources and even
    result in console getting spammed with warnings when host is under heavy
    load.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=685900

 src/libvirt-machine.vala |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/src/libvirt-machine.vala b/src/libvirt-machine.vala
index a435935..43b63ef 100644
--- a/src/libvirt-machine.vala
+++ b/src/libvirt-machine.vala
@@ -89,6 +89,7 @@ private class Boxes.LibvirtMachine: Boxes.Machine {
             case DomainState.RUNNING:
             case DomainState.BLOCKED:
                 state = MachineState.RUNNING;
+                set_stats_enable (true);
                 break;
             case DomainState.PAUSED:
                 state = MachineState.PAUSED;
@@ -132,8 +133,11 @@ private class Boxes.LibvirtMachine: Boxes.Machine {
             Signal.connect_object(domain, "pmsuspended", (GLib.Callback) LibvirtMachine.pmsuspended_callback, this, 0);
         }
         notify["state"].connect (() => {
-            if (state == MachineState.RUNNING)
+            if (state == MachineState.RUNNING) {
                 reconnect_display ();
+                set_stats_enable (true);
+            } else
+                set_stats_enable (false);
         });
 
         update_domain_config ();
@@ -142,7 +146,6 @@ private class Boxes.LibvirtMachine: Boxes.Machine {
         if (state != MachineState.STOPPED)
             load_screenshot ();
         set_screenshot_enable (true);
-        set_stats_enable (true);
     }
 
     // This is done as a method and not a lambda as we don't want a hard build