From 44e60065c946ef0b8bca16fb58c87cd542ac9bf3 Mon Sep 17 00:00:00 2001
From: Cole Robinson <crobinso@redhat.com>
Date: Thu, 11 Sep 2014 18:01:41 -0400
Subject: [PATCH 3/4] domain: Cache has_managed_save value
Otherwise we call it every time a domain row is selected, which makes
things choppy on remote connections.
(cherry picked from commit b398a46e9bfcd192d9286d6edc81deade77bb1a8)
---
virtManager/details.py | 2 +-
virtManager/domain.py | 32 +++++++++++++++++++++-----------
virtManager/engine.py | 4 ++--
virtManager/manager.py | 2 +-
4 files changed, 25 insertions(+), 15 deletions(-)
diff --git a/virtManager/details.py b/virtManager/details.py
index 9fae87a..e03048d 100644
--- a/virtManager/details.py
+++ b/virtManager/details.py
@@ -1370,7 +1370,7 @@ class vmmDetails(vmmGObjectUI):
ro = vm.is_read_only()
if vm.managedsave_supported:
- self.change_run_text(vm.hasSavedImage())
+ self.change_run_text(vm.has_managed_save())
self.widget("control-run").set_sensitive(run)
self.widget("control-shutdown").set_sensitive(stop)
diff --git a/virtManager/domain.py b/virtManager/domain.py
index 4098e2d..9c3699f 100644
--- a/virtManager/domain.py
+++ b/virtManager/domain.py
@@ -298,6 +298,7 @@ class vmmDomain(vmmLibvirtObject):
self._is_management_domain = None
self._id = None
self._uuid = None
+ self._has_managed_save = None
self._snapshot_list = None
self.lastStatus = libvirt.VIR_DOMAIN_SHUTOFF
@@ -361,6 +362,9 @@ class vmmDomain(vmmLibvirtObject):
self.force_update_status(from_event=True, log=False)
+ # Cache managed save value
+ self.has_managed_save()
+
# Hook up listeners that need to be cleaned up
self.add_gconf_handle(
self.config.on_stats_enable_cpu_poll_changed(
@@ -1377,20 +1381,25 @@ class vmmDomain(vmmLibvirtObject):
self._backend.resume()
self.idle_add(self.force_update_status)
- def hasSavedImage(self):
+ def has_managed_save(self):
if not self.managedsave_supported:
return False
- try:
- return self._backend.hasManagedSaveImage(0)
- except libvirt.libvirtError, e:
- if not util.exception_is_libvirt_error(e, "VIR_ERR_NO_DOMAIN"):
- raise
- return False
- def removeSavedImage(self):
- if not self.hasSavedImage():
+ if self._has_managed_save is None:
+ try:
+ self._has_managed_save = self._backend.hasManagedSaveImage(0)
+ except libvirt.libvirtError, e:
+ if not util.exception_is_libvirt_error(e, "VIR_ERR_NO_DOMAIN"):
+ raise
+ return False
+
+ return self._has_managed_save
+
+ def remove_saved_image(self):
+ if not self.has_managed_save():
return
self._backend.managedSaveRemove(0)
+ self._has_managed_save = None
def save(self, filename=None, meter=None):
self._install_abort = True
@@ -1660,7 +1669,7 @@ class vmmDomain(vmmLibvirtObject):
return self.status() in [libvirt.VIR_DOMAIN_PAUSED]
def run_status(self):
- return self.pretty_run_status(self.status(), self.hasSavedImage())
+ return self.pretty_run_status(self.status(), self.has_managed_save())
def run_status_reason(self):
return self.pretty_status_reason(self.status(), self.status_reason())
@@ -1707,6 +1716,7 @@ class vmmDomain(vmmLibvirtObject):
self.lastStatus = status
if self.domain_state_supported:
self._lastStatusReason = self._backend.state()[1]
+ self._has_managed_save = None
# Send 'config-changed' before a status-update, so users
# are operating with fresh XML
@@ -1958,7 +1968,7 @@ class vmmDomainVirtinst(vmmDomain):
return self._backend.uuid
def get_id(self):
return -1
- def hasSavedImage(self):
+ def has_managed_save(self):
return False
def _XMLDesc(self, flags):
diff --git a/virtManager/engine.py b/virtManager/engine.py
index 38d7e2d..588aae0 100644
--- a/virtManager/engine.py
+++ b/virtManager/engine.py
@@ -1046,7 +1046,7 @@ class vmmEngine(vmmGObject):
logging.debug("Starting vm '%s'", vm.get_name())
- if vm.hasSavedImage():
+ if vm.has_managed_save():
def errorcb(error, details):
# This is run from the main thread
res = src.err.show_err(
@@ -1064,7 +1064,7 @@ class vmmEngine(vmmGObject):
return
try:
- vm.removeSavedImage()
+ vm.remove_saved_image()
self._do_run_domain(src, uri, connkey)
except Exception, e:
src.err.show_err(_("Error removing domain state: %s")
diff --git a/virtManager/manager.py b/virtManager/manager.py
index 03d3ecc..9c0007a 100644
--- a/virtManager/manager.py
+++ b/virtManager/manager.py
@@ -919,7 +919,7 @@ class vmmManager(vmmGObjectUI):
show_shutdown = bool(vm and vm.is_stoppable())
if vm and vm.managedsave_supported:
- self.change_run_text(vm.hasSavedImage())
+ self.change_run_text(vm.has_managed_save())
self.widget("vm-open").set_sensitive(show_open)
self.widget("vm-run").set_sensitive(show_run)
--
1.9.3