[libvirt] [libvirt-glib] Add async variant of gvir_domain_get_info()

[Zeeshan Ali (Khattak)]

From: "Zeeshan Ali (Khattak)" <zeeshanak at gnome.org>

---
 libvirt-gobject/libvirt-gobject-domain.c |   74 ++++++++++++++++++++++++++++++
 libvirt-gobject/libvirt-gobject-domain.h |    7 +++
 libvirt-gobject/libvirt-gobject.sym      |    4 +-
 3 files changed, 84 insertions(+), 1 deletions(-)

diff --git a/libvirt-gobject/libvirt-gobject-domain.c b/libvirt-gobject/libvirt-gobject-domain.c
index 0bafa7e..c1a2086 100644
--- a/libvirt-gobject/libvirt-gobject-domain.c
+++ b/libvirt-gobject/libvirt-gobject-domain.c
@@ -572,6 +572,80 @@ GVirDomainInfo *gvir_domain_get_info(GVirDomain *dom,
     return ret;
 }
 
+static void
+gvir_domain_get_info_helper(GSimpleAsyncResult *res,
+                            GObject *object,
+                            GCancellable *cancellable G_GNUC_UNUSED)
+{
+    GVirDomain *dom = GVIR_DOMAIN(object);
+    GVirDomainInfo *info;
+    GError *err = NULL;
+
+    info = gvir_domain_get_info(dom, &err);
+    if (err)
+        g_simple_async_result_take_error(res, err);
+    else
+        g_simple_async_result_set_op_res_gpointer(res, info, NULL);
+}
+
+/**
+ * gvir_domain_get_info_async:
+ * @dom: the domain
+ * @cancellable: (allow-none)(transfer none): cancellation object
+ * @callback: (scope async): completion callback
+ * @user_data: (closure): opaque data for callback
+ *
+ * Asynchronous variant of #gvir_domain_get_info.
+ */
+void gvir_domain_get_info_async(GVirDomain *dom,
+                                GCancellable *cancellable,
+                                GAsyncReadyCallback callback,
+                                gpointer user_data)
+{
+    GSimpleAsyncResult *res;
+
+    g_return_if_fail(GVIR_IS_DOMAIN(dom));
+
+    res = g_simple_async_result_new(G_OBJECT(dom),
+                                    callback,
+                                    user_data,
+                                    gvir_domain_get_info_async);
+    g_simple_async_result_run_in_thread(res,
+                                        gvir_domain_get_info_helper,
+                                        G_PRIORITY_DEFAULT,
+                                        cancellable);
+    g_object_unref(res);
+}
+
+/**
+ * gvir_domain_get_info_finish:
+ * @dom: the domain
+ * @result: (transfer none): async method result
+ * @err: Place-holder for possible errors
+ *
+ * Finishes the operation started by #gvir_domain_get_info_async.
+ *
+ * Returns: (transfer full): the info
+ */
+GVirDomainInfo *gvir_domain_get_info_finish(GVirDomain *dom,
+                                            GAsyncResult *result,
+                                            GError **err)
+{
+    GSimpleAsyncResult *res = G_SIMPLE_ASYNC_RESULT(result);
+
+    g_return_val_if_fail(GVIR_IS_DOMAIN(dom), NULL);
+    g_return_val_if_fail
+                (g_simple_async_result_is_valid(result,
+                                                G_OBJECT(dom),
+                                                gvir_domain_get_info_async),
+                 NULL);
+
+    if (g_simple_async_result_propagate_error(res, err))
+        return NULL;
+
+    return g_simple_async_result_get_op_res_gpointer(res);
+}
+
 /**
  * gvir_domain_screenshot:
  * @stream: stream to use as output
diff --git a/libvirt-gobject/libvirt-gobject-domain.h b/libvirt-gobject/libvirt-gobject-domain.h
index 8a4836e..677fbe6 100644
--- a/libvirt-gobject/libvirt-gobject-domain.h
+++ b/libvirt-gobject/libvirt-gobject-domain.h
@@ -141,6 +141,13 @@ gboolean gvir_domain_reboot(GVirDomain *dom,
 
 GVirDomainInfo *gvir_domain_get_info(GVirDomain *dom,
                                      GError **err);
+void gvir_domain_get_info_async(GVirDomain *dom,
+                                GCancellable *cancellable,
+                                GAsyncReadyCallback callback,
+                                gpointer user_data);
+GVirDomainInfo *gvir_domain_get_info_finish(GVirDomain *dom,
+                                            GAsyncResult *result,
+                                            GError **err);
 
 GVirConfigDomain *gvir_domain_get_config(GVirDomain *dom,
                                          guint flags,
diff --git a/libvirt-gobject/libvirt-gobject.sym b/libvirt-gobject/libvirt-gobject.sym
index 64c91cc..f43836f 100644
--- a/libvirt-gobject/libvirt-gobject.sym
+++ b/libvirt-gobject/libvirt-gobject.sym
@@ -1,4 +1,4 @@
-LIBVIRT_GOBJECT_0.0.7 {
+LIBVIRT_GOBJECT_0.0.8 {
   global:
         gvir_init_object;
         gvir_init_object_check;
@@ -70,6 +70,8 @@ LIBVIRT_GOBJECT_0.0.7 {
 	gvir_domain_set_config;
 	gvir_domain_get_devices;
 	gvir_domain_get_info;
+	gvir_domain_get_info_async;
+	gvir_domain_get_info_finish;
 	gvir_domain_get_persistent;
 	gvir_domain_get_saved;
 	gvir_domain_screenshot;
-- 
1.7.7.6