[libvirt] [libvirt-glib] gobject: Add wrapper virDomainSetTime()

Zeeshan Ali (Khattak) zeeshanak at gnome.org
Tue Oct 27 18:17:58 UTC 2015


---
 libvirt-gobject/libvirt-gobject-domain.c | 126 +++++++++++++++++++++++++++++++
 libvirt-gobject/libvirt-gobject-domain.h |  25 ++++++
 libvirt-gobject/libvirt-gobject.sym      |   9 +++
 3 files changed, 160 insertions(+)

diff --git a/libvirt-gobject/libvirt-gobject-domain.c b/libvirt-gobject/libvirt-gobject-domain.c
index 34eb7ca..26d0cba 100644
--- a/libvirt-gobject/libvirt-gobject-domain.c
+++ b/libvirt-gobject/libvirt-gobject-domain.c
@@ -1886,3 +1886,129 @@ gboolean gvir_domain_get_has_current_snapshot(GVirDomain *dom,
 
     return TRUE;
 }
+
+/**
+ * gvir_domain_set_time:
+ * @dom: the domain
+ * @seconds: The seconds since Epoch in UTC.
+ * @nseconds: The microseconds.
+ * @flags: bitwise-OR of #GVirDomainSetTimeFlags.
+ *
+ * This function tries to set guest time to the given value. The time to set
+ * (@seconds and @nseconds) should be in seconds relative to the Epoch of
+ * 1970-01-01 00:00:00 in UTC.
+ *
+ * If you pass #GVIR_DOMAIN_TIME_SYNC as @flags, the time is reset using
+ * domain's RTC and @seconds and @nseconds arguments are ignored.
+ *
+ * Please note that some hypervisors may require guest agent to be configured
+ * and running in order for this function to work.
+ */
+gboolean gvir_domain_set_time(GVirDomain *dom,
+                              gint64 seconds,
+                              guint nseconds,
+                              guint flags,
+                              GError **err)
+{
+    GVirDomainPrivate *priv;
+    int ret;
+
+    g_return_val_if_fail(GVIR_IS_DOMAIN(dom), FALSE);
+    g_return_val_if_fail(err == NULL || *err == NULL, FALSE);
+    g_return_val_if_fail(flags == 0 || flags & GVIR_DOMAIN_TIME_SYNC, FALSE);
+
+    priv = dom->priv;
+    ret = virDomainSetTime(priv->handle, seconds, nseconds, flags);
+    if (ret < 0) {
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to set domain time");
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+typedef struct {
+    gint64 seconds;
+    guint nseconds;
+    guint flags;
+} DomainSetTimeData;
+
+static void domain_set_time_data_free(DomainSetTimeData *data)
+{
+    g_slice_free(DomainSetTimeData, data);
+}
+
+static void
+gvir_domain_set_time_helper(GTask *task,
+                            gpointer object,
+                            gpointer task_data,
+                            GCancellable *cancellable G_GNUC_UNUSED)
+{
+    GVirDomain *dom = GVIR_DOMAIN(object);
+    DomainSetTimeData *data = (DomainSetTimeData *) task_data;
+    GError *err = NULL;
+
+    if (!gvir_domain_set_time(dom,
+                              data->seconds,
+                              data->nseconds,
+                              data->flags,
+                              &err))
+        g_task_return_error(task, err);
+    else
+        g_task_return_boolean(task, TRUE);
+}
+
+/**
+ * gvir_domain_set_time_async:
+ * @dom: the domain
+ * @dom: the domain
+ * @seconds: The seconds since Epoch in UTC.
+ * @nseconds: The microseconds.
+ * @flags: bitwise-OR of #GVirDomainSetTimeFlags.
+ * @cancellable: (allow-none)(transfer none): cancellation object
+ * @callback: (scope async): completion callback
+ * @user_data: (closure): opaque data for callback
+ *
+ * Asynchronous variant of #gvir_domain_set_time.
+ */
+void gvir_domain_set_time_async(GVirDomain *dom,
+                                gint64 seconds,
+                                guint nseconds,
+                                guint flags,
+                                GCancellable *cancellable,
+                                GAsyncReadyCallback callback,
+                                gpointer user_data)
+{
+    GTask *task;
+    DomainSetTimeData *data;
+
+    g_return_if_fail(GVIR_IS_DOMAIN(dom));
+    g_return_if_fail((cancellable == NULL) || G_IS_CANCELLABLE(cancellable));
+
+    data = g_slice_new0(DomainSetTimeData);
+    data->seconds = seconds;
+    data->nseconds = nseconds;
+    data->flags = flags;
+
+    task = g_task_new (G_OBJECT(dom),
+                       cancellable,
+                       callback,
+                       user_data);
+    g_task_set_task_data (task, data, (GDestroyNotify)domain_set_time_data_free);
+    g_task_run_in_thread(task, gvir_domain_set_time_helper);
+
+    g_object_unref(task);
+}
+
+gboolean gvir_domain_set_time_finish(GVirDomain *dom,
+                                     GAsyncResult *result,
+                                     GError **err)
+{
+    g_return_val_if_fail(GVIR_IS_DOMAIN(dom), FALSE);
+    g_return_val_if_fail(g_task_is_valid(result, G_OBJECT(dom)), FALSE);
+    g_return_val_if_fail(err == NULL || *err == NULL, FALSE);
+
+    return g_task_propagate_boolean(G_TASK(result), err);
+}
diff --git a/libvirt-gobject/libvirt-gobject-domain.h b/libvirt-gobject/libvirt-gobject-domain.h
index 4fe381e..fbf7173 100644
--- a/libvirt-gobject/libvirt-gobject-domain.h
+++ b/libvirt-gobject/libvirt-gobject-domain.h
@@ -215,6 +215,15 @@ typedef enum {
     GVIR_DOMAIN_SNAPSHOT_LIST_EXTERNAL    = VIR_DOMAIN_SNAPSHOT_LIST_EXTERNAL
 } GVirDomainSnapshotListFlags;
 
+/**
+ * GVirDomainSetTimeFlags:
+ * @GVIR_DOMAIN_TIME_NONE: Re-sync domain time to given values.
+ * @GVIR_DOMAIN_TIME_SYNC: Re-sync domain time from domain's RTC.
+ */
+typedef enum {
+    GVIR_DOMAIN_TIME_NONE = 0,
+    GVIR_DOMAIN_TIME_SYNC = VIR_DOMAIN_TIME_SYNC,
+} GVirDomainSetTimeFlags;
 
 typedef struct _GVirDomainInfo GVirDomainInfo;
 struct _GVirDomainInfo
@@ -401,6 +410,22 @@ gboolean gvir_domain_get_has_current_snapshot(GVirDomain *dom,
                                               gboolean *has_current_snapshot,
                                               GError **error);
 
+gboolean gvir_domain_set_time(GVirDomain *dom,
+                              gint64 seconds,
+                              guint nseconds,
+                              guint flags,
+                              GError **err);
+void gvir_domain_set_time_async(GVirDomain *dom,
+                                gint64 seconds,
+                                guint nseconds,
+                                guint flags,
+                                GCancellable *cancellable,
+                                GAsyncReadyCallback callback,
+                                gpointer user_data);
+gboolean gvir_domain_set_time_finish(GVirDomain *dom,
+                                     GAsyncResult *result,
+                                     GError **err);
+
 G_END_DECLS
 
 #endif /* __LIBVIRT_GOBJECT_DOMAIN_H__ */
diff --git a/libvirt-gobject/libvirt-gobject.sym b/libvirt-gobject/libvirt-gobject.sym
index ca89a45..cbfaa71 100644
--- a/libvirt-gobject/libvirt-gobject.sym
+++ b/libvirt-gobject/libvirt-gobject.sym
@@ -304,4 +304,13 @@ LIBVIRT_GOBJECT_0.2.2 {
 	gvir_network_get_dhcp_leases;
 } LIBVIRT_GOBJECT_0.2.1;
 
+LIBVIRT_GOBJECT_0.2.3 {
+  global:
+	gvir_domain_set_time_flags_get_type;
+
+	gvir_domain_set_time;
+	gvir_domain_set_time_async;
+	gvir_domain_set_time_finish;
+} LIBVIRT_GOBJECT_0.2.2;
+
 # .... define new API here using predicted next version number ....
-- 
2.5.0




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