From: "Zeeshan Ali (Khattak)" <zeeshanak@xxxxxxxxx>
Its just a set of synchronous and asynchronous wrappers around
virDomainManagedSave.
---
libvirt-gobject/libvirt-gobject-domain.c | 122 ++++++++++++++++++++++++++++++
libvirt-gobject/libvirt-gobject-domain.h | 11 +++
libvirt-gobject/libvirt-gobject.sym | 3 +
3 files changed, 136 insertions(+), 0 deletions(-)
diff --git a/libvirt-gobject/libvirt-gobject-domain.c b/libvirt-gobject/libvirt-gobject-domain.c
index e4963ed..42765fd 100644
--- a/libvirt-gobject/libvirt-gobject-domain.c
+++ b/libvirt-gobject/libvirt-gobject-domain.c
@@ -708,3 +708,125 @@ gboolean gvir_domain_suspend (GVirDomain *dom,
cleanup:
return ret;
}
+
+/**
+ * gvir_domain_saved_suspend:
+ * @dom: the domain to save and suspend
+ * @flags: extra flags, currently unused
+ * @err: Place-holder for possible errors
+ *
+ * Just like #gvir_domain_suspend but also saves the state of the domain on disk
+ * and therefore makes it possible to restore the domain to its previous state
+ * even after shutdown/reboot of host machine.
+ *
+ * Returns: TRUE if domain was saved and suspended successfully, FALSE otherwise.
+ */
+gboolean gvir_domain_saved_suspend (GVirDomain *dom,
+ unsigned int flags,
+ GError **err)
+{
+ gboolean ret = FALSE;
+
+ g_return_val_if_fail(GVIR_IS_DOMAIN(dom), FALSE);
+
+ if (virDomainManagedSave(dom->priv->handle, flags) < 0) {
+ gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+ 0,
+ "Unable to saved and suspend domain");
+ goto cleanup;
+ }
+
+ ret = TRUE;
+cleanup:
+ return ret;
+}
+
+typedef struct {
+ guint flags;
+} DomainSavedSuspendData;
+
+static void domain_saved_suspend_data_free(DomainSavedSuspendData *data)
+{
+ g_slice_free (DomainSavedSuspendData, data);
+}
+
+static void
+gvir_domain_saved_suspend_helper(GSimpleAsyncResult *res,
+ GObject *object,
+ GCancellable *cancellable G_GNUC_UNUSED)
+{
+ GVirDomain *dom = GVIR_DOMAIN(object);
+ DomainSavedSuspendData *data;
+ GError *err = NULL;
+
+ data = g_simple_async_result_get_op_res_gpointer (res);
+
+ if (!gvir_domain_saved_suspend(dom, data->flags, &err)) {
+ g_simple_async_result_set_from_error(res, err);
+ g_error_free(err);
+ }
+}
+
+/**
+ * gir_domain_saved_suspend_async:
+ * @dom: the domain to save and suspend
+ * @flags: extra flags, currently unused
+ * @cancellable: (allow-none)(transfer none): cancellation object
+ * @callback: (scope async): completion callback
+ * @user_data: (closure): opaque data for callback
+ *
+ * Asynchronous variant of #gvir_domain_saved_suspend.
+ */
+void gvir_domain_saved_suspend_async (GVirDomain *dom,
+ unsigned int flags,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GSimpleAsyncResult *res;
+ DomainSavedSuspendData *data;
+
+ g_return_if_fail(GVIR_IS_DOMAIN(dom));
+
+ data = g_slice_new0(DomainSavedSuspendData);
+ data->flags = flags;
+
+ res = g_simple_async_result_new(G_OBJECT(dom),
+ callback,
+ user_data,
+ gvir_domain_saved_suspend);
+ g_simple_async_result_set_op_res_gpointer (res, data, (GDestroyNotify) domain_saved_suspend_data_free);
+ g_simple_async_result_run_in_thread(res,
+ gvir_domain_saved_suspend_helper,
+ G_PRIORITY_DEFAULT,
+ cancellable);
+ g_object_unref(res);
+}
+
+/**
+ * gir_domain_saved_suspend_finish:
+ * @dom: the domain to save and suspend
+ * @result: (transfer none): async method result
+ * @err: Place-holder for possible errors
+ *
+ * Finishes the operation started by #gvir_domain_saved_suspend_async.
+ *
+ * Returns: TRUE if domain was saved and suspended successfully, FALSE otherwise.
+ */
+gboolean gvir_domain_saved_suspend_finish (GVirDomain *dom,
+ GAsyncResult *result,
+ GError **err)
+{
+ g_return_val_if_fail(GVIR_IS_DOMAIN(dom), FALSE);
+ g_return_val_if_fail(G_IS_ASYNC_RESULT(result), FALSE);
+
+ if (G_IS_SIMPLE_ASYNC_RESULT(result)) {
+ GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT(result);
+ g_warn_if_fail (g_simple_async_result_get_source_tag(simple) ==
+ gvir_domain_saved_suspend);
+ if (g_simple_async_result_propagate_error(simple, err))
+ return FALSE;
+ }
+
+ return TRUE;
+}
diff --git a/libvirt-gobject/libvirt-gobject-domain.h b/libvirt-gobject/libvirt-gobject-domain.h
index a5923f4..96a1560 100644
--- a/libvirt-gobject/libvirt-gobject-domain.h
+++ b/libvirt-gobject/libvirt-gobject-domain.h
@@ -155,6 +155,17 @@ gboolean gvir_domain_open_graphics(GVirDomain *dom,
gboolean gvir_domain_suspend (GVirDomain *dom,
GError **err);
+gboolean gvir_domain_saved_suspend (GVirDomain *dom,
+ unsigned int flags,
+ GError **err);
+void gvir_domain_saved_suspend_async (GVirDomain *dom,
+ unsigned int flags,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data);
+gboolean gvir_domain_saved_suspend_finish (GVirDomain *dom,
+ GAsyncResult *result,
+ GError **err);
G_END_DECLS
diff --git a/libvirt-gobject/libvirt-gobject.sym b/libvirt-gobject/libvirt-gobject.sym
index 526098d..c04d67a 100644
--- a/libvirt-gobject/libvirt-gobject.sym
+++ b/libvirt-gobject/libvirt-gobject.sym
@@ -52,6 +52,9 @@ LIBVIRT_GOBJECT_0.0.3 {
gvir_domain_resume;
gvir_domain_stop;
gvir_domain_suspend;
+ gvir_domain_saved_suspend;
+ gvir_domain_saved_suspend_async;
+ gvir_domain_saved_suspend_finish;
gvir_domain_delete;
gvir_domain_open_console;
gvir_domain_open_graphics;
--
1.7.7.5
--
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