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/*
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* libvirt-gobject-domain_snapshot.c: libvirt glib integration
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*
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* Copyright (C) 2008 Daniel P. Berrange
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* Copyright (C) 2010-2011 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#include <config.h>
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#include <libvirt/virterror.h>
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#include <string.h>
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#include "libvirt-glib/libvirt-glib.h"
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#include "libvirt-gobject/libvirt-gobject.h"
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#include "libvirt-gobject-compat.h"
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#define GVIR_DOMAIN_SNAPSHOT_GET_PRIVATE(obj) \
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(G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_DOMAIN_SNAPSHOT, GVirDomainSnapshotPrivate))
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struct _GVirDomainSnapshotPrivate
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{
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virDomainSnapshotPtr handle;
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};
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G_DEFINE_TYPE_WITH_PRIVATE(GVirDomainSnapshot, gvir_domain_snapshot, G_TYPE_OBJECT);
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enum {
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PROP_0,
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PROP_HANDLE,
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};
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#define GVIR_DOMAIN_SNAPSHOT_ERROR gvir_domain_snapshot_error_quark()
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static GQuark
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gvir_domain_snapshot_error_quark(void)
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{
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return g_quark_from_static_string("gvir-domain-snapshot");
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}
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static void gvir_domain_snapshot_get_property(GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GVirDomainSnapshot *snapshot = GVIR_DOMAIN_SNAPSHOT(object);
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GVirDomainSnapshotPrivate *priv = snapshot->priv;
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switch (prop_id) {
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case PROP_HANDLE:
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g_value_set_boxed(value, priv->handle);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
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}
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}
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static void gvir_domain_snapshot_set_property(GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GVirDomainSnapshot *snapshot = GVIR_DOMAIN_SNAPSHOT(object);
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GVirDomainSnapshotPrivate *priv = snapshot->priv;
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switch (prop_id) {
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case PROP_HANDLE:
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if (priv->handle)
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virDomainSnapshotFree(priv->handle);
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priv->handle = g_value_dup_boxed(value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
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}
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}
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static void gvir_domain_snapshot_finalize(GObject *object)
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{
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GVirDomainSnapshot *snapshot = GVIR_DOMAIN_SNAPSHOT(object);
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GVirDomainSnapshotPrivate *priv = snapshot->priv;
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virDomainSnapshotFree(priv->handle);
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G_OBJECT_CLASS(gvir_domain_snapshot_parent_class)->finalize(object);
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}
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static void gvir_domain_snapshot_class_init(GVirDomainSnapshotClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gvir_domain_snapshot_finalize;
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object_class->get_property = gvir_domain_snapshot_get_property;
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object_class->set_property = gvir_domain_snapshot_set_property;
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g_object_class_install_property(object_class,
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PROP_HANDLE,
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g_param_spec_boxed("handle",
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"Handle",
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"The domain_snapshot handle",
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GVIR_TYPE_DOMAIN_SNAPSHOT_HANDLE,
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G_PARAM_READABLE |
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G_PARAM_WRITABLE |
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS));
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}
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static void gvir_domain_snapshot_init(GVirDomainSnapshot *snapshot)
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{
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snapshot->priv = GVIR_DOMAIN_SNAPSHOT_GET_PRIVATE(snapshot);
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}
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typedef struct virDomainSnapshot GVirDomainSnapshotHandle;
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static GVirDomainSnapshotHandle*
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gvir_domain_snapshot_handle_copy(GVirDomainSnapshotHandle *src)
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{
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virDomainSnapshotRef((virDomainSnapshotPtr)src);
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return src;
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}
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static void
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gvir_domain_snapshot_handle_free(GVirDomainSnapshotHandle *src)
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{
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virDomainSnapshotFree((virDomainSnapshotPtr)src);
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}
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G_DEFINE_BOXED_TYPE(GVirDomainSnapshotHandle, gvir_domain_snapshot_handle,
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gvir_domain_snapshot_handle_copy, gvir_domain_snapshot_handle_free)
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const gchar *gvir_domain_snapshot_get_name(GVirDomainSnapshot *snapshot)
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{
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g_return_val_if_fail(GVIR_IS_DOMAIN_SNAPSHOT(snapshot), NULL);
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GVirDomainSnapshotPrivate *priv = snapshot->priv;
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const char *name;
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if (!(name = virDomainSnapshotGetName(priv->handle))) {
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gvir_warning("Failed to get domain_snapshot name on %p", priv->handle);
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return NULL;
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}
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return name;
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}
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/**
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* gvir_domain_snapshot_get_config:
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* @snapshot: the domain_snapshot
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* @flags: the flags
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*
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* Returns: (transfer full): the config. The returned object should be
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* unreffed with g_object_unref() when no longer needed.
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*/
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GVirConfigDomainSnapshot *gvir_domain_snapshot_get_config
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(GVirDomainSnapshot *snapshot,
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guint flags,
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GError **err)
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{
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GVirDomainSnapshotPrivate *priv;
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gchar *xml;
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g_return_val_if_fail(GVIR_IS_DOMAIN_SNAPSHOT(snapshot), NULL);
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g_return_val_if_fail(err == NULL || *err == NULL, NULL);
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priv = snapshot->priv;
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if (!(xml = virDomainSnapshotGetXMLDesc(priv->handle, flags))) {
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gvir_set_error_literal(err, GVIR_DOMAIN_SNAPSHOT_ERROR,
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0,
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"Unable to get domain_snapshot XML config");
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return NULL;
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}
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GVirConfigDomainSnapshot *conf = gvir_config_domain_snapshot_new_from_xml(xml, err);
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free(xml);
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return conf;
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}
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/**
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* gvir_domain_snapshot_delete:
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* @snapshot: The domain snapshot
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* @flags: Bitwise or of #GVirDomainSnapshotDeleteFlags
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* @error: (allow-none): Place-holder for error or NULL
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*
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* Returns: TRUE on success, FALSE otherwise
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*/
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gboolean gvir_domain_snapshot_delete (GVirDomainSnapshot *snapshot,
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guint flags,
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GError **error)
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{
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GVirDomainSnapshotPrivate *priv;
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int status;
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g_return_val_if_fail(GVIR_IS_DOMAIN_SNAPSHOT (snapshot), FALSE);
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g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
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priv = snapshot->priv;
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status = virDomainSnapshotDelete(priv->handle, flags);
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if (status < 0) {
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gvir_set_error(error, GVIR_DOMAIN_SNAPSHOT_ERROR, 0,
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"Unable to delete snapshot `%s'",
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gvir_domain_snapshot_get_name(snapshot));
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return FALSE;
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}
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return TRUE;
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}
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static void _delete_async_thread(GTask *task,
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gpointer source_object,
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gpointer task_data,
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GCancellable *cancellable G_GNUC_UNUSED)
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{
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GError *error = NULL;
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gboolean status;
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status = gvir_domain_snapshot_delete(source_object,
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GPOINTER_TO_UINT(task_data),
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&error);
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if (status)
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g_task_return_boolean(task, TRUE);
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else
|
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g_task_return_error(task, error);
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}
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/**
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* gvir_domain_snapshot_delete_async:
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* @snapshot: A #GVirDomainSnapshot
|
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* @flags: Bitwise-OR of #GVirDomainSnapshotDeleteFlags
|
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* @cancellable: (allow-none) (transfer none): cancellation object
|
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* @callback: (scope async): completion callback
|
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* @user_data: (closure): opaque data for callback
|
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*/
|
|
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void gvir_domain_snapshot_delete_async(GVirDomainSnapshot *snapshot,
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guint flags,
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GCancellable *cancellable,
|
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GAsyncReadyCallback callback,
|
|
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gpointer user_data)
|
|
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{
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|
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GTask *task;
|
|
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ea0369 |
|
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g_return_if_fail(GVIR_IS_DOMAIN_SNAPSHOT(snapshot));
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ea0369 |
|
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task = g_task_new(snapshot, cancellable, callback, user_data);
|
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g_task_set_task_data(task, GUINT_TO_POINTER(flags), NULL);
|
|
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g_task_run_in_thread(task, _delete_async_thread);
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g_object_unref(task);
|
|
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ea0369 |
}
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|
|
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/**
|
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* gvir_domain_snapshot_delete_finish:
|
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ea0369 |
* @snapshot: A #GVirDomainSnapshot
|
|
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ea0369 |
* @res: (transfer none): async method result
|
|
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*
|
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* Returns: %TRUE on success, %FALSE otherwise.
|
|
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*/
|
|
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gboolean gvir_domain_snapshot_delete_finish(GVirDomainSnapshot *snapshot,
|
|
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ea0369 |
GAsyncResult *res,
|
|
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GError **error)
|
|
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ea0369 |
{
|
|
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ea0369 |
g_return_val_if_fail(GVIR_IS_DOMAIN_SNAPSHOT(snapshot), FALSE);
|
|
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ea0369 |
g_return_val_if_fail(g_task_is_valid(res, snapshot), FALSE);
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ea0369 |
|
|
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ea0369 |
return g_task_propagate_boolean(G_TASK(res), error);
|
|
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ea0369 |
}
|
|
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ea0369 |
|
|
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ea0369 |
/**
|
|
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ea0369 |
* gvir_domain_snapshot_get_is_current:
|
|
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ea0369 |
* @snapshot: The domain snapshot
|
|
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ea0369 |
* @flags: Currently unused, pass 0
|
|
Packit Service |
ea0369 |
* @is_current: (out): %TRUE if the given snapshot is the current snapshot
|
|
Packit Service |
ea0369 |
* of its domain, %FALSE otherwise.
|
|
Packit Service |
ea0369 |
* @error: (allow-none): Place-holder for error or %NULL
|
|
Packit Service |
ea0369 |
*
|
|
Packit Service |
ea0369 |
* Returns: %TRUE on success, %FALSE otherwise.
|
|
Packit Service |
ea0369 |
*/
|
|
Packit Service |
ea0369 |
gboolean gvir_domain_snapshot_get_is_current(GVirDomainSnapshot *snapshot,
|
|
Packit Service |
ea0369 |
guint flags,
|
|
Packit Service |
ea0369 |
gboolean *is_current,
|
|
Packit Service |
ea0369 |
GError **error)
|
|
Packit Service |
ea0369 |
{
|
|
Packit Service |
ea0369 |
gint status;
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
g_return_val_if_fail(GVIR_IS_DOMAIN_SNAPSHOT(snapshot), FALSE);
|
|
Packit Service |
ea0369 |
g_return_val_if_fail(is_current != NULL, FALSE);
|
|
Packit Service |
ea0369 |
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
status = virDomainSnapshotIsCurrent(snapshot->priv->handle, flags);
|
|
Packit Service |
ea0369 |
if (status == -1) {
|
|
Packit Service |
ea0369 |
gvir_set_error(error, GVIR_DOMAIN_SNAPSHOT_ERROR, 0,
|
|
Packit Service |
ea0369 |
"Could not determine if `%s' is the current snapshot",
|
|
Packit Service |
ea0369 |
gvir_domain_snapshot_get_name(snapshot));
|
|
Packit Service |
ea0369 |
return FALSE;
|
|
Packit Service |
ea0369 |
}
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
*is_current = status;
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
return TRUE;
|
|
Packit Service |
ea0369 |
}
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
/**
|
|
Packit Service |
ea0369 |
* gvir_domain_snapshot_revert_to:
|
|
Packit Service |
ea0369 |
* @snapshot: The domain snapshot
|
|
Packit Service |
ea0369 |
* @flags: Bitwise OR of GVirDomainSnapshotRevertFlags
|
|
Packit Service |
ea0369 |
* @error: (allow-none): Place-holder for error or NULL
|
|
Packit Service |
ea0369 |
*
|
|
Packit Service |
ea0369 |
* Returns: TRUE if the snapshot's domain has successfully been
|
|
Packit Service |
ea0369 |
* reverted to the given snapshot, FALSE otherwise, in which case
|
|
Packit Service |
ea0369 |
* @error will be set.
|
|
Packit Service |
ea0369 |
*/
|
|
Packit Service |
ea0369 |
gboolean gvir_domain_snapshot_revert_to(GVirDomainSnapshot *snapshot,
|
|
Packit Service |
ea0369 |
guint flags,
|
|
Packit Service |
ea0369 |
GError **error)
|
|
Packit Service |
ea0369 |
{
|
|
Packit Service |
ea0369 |
int status;
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
g_return_val_if_fail(GVIR_IS_DOMAIN_SNAPSHOT(snapshot), FALSE);
|
|
Packit Service |
ea0369 |
g_return_val_if_fail((error == NULL) || (*error == NULL), FALSE);
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
status = virDomainRevertToSnapshot(snapshot->priv->handle,
|
|
Packit Service |
ea0369 |
flags);
|
|
Packit Service |
ea0369 |
if (status != 0) {
|
|
Packit Service |
ea0369 |
gvir_set_error(error, GVIR_DOMAIN_SNAPSHOT_ERROR,
|
|
Packit Service |
ea0369 |
0, "Failed to revert to snapshot `%s'",
|
|
Packit Service |
ea0369 |
gvir_domain_snapshot_get_name(snapshot));
|
|
Packit Service |
ea0369 |
return FALSE;
|
|
Packit Service |
ea0369 |
}
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
return TRUE;
|
|
Packit Service |
ea0369 |
}
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
static void _revert_to_async_thread(GTask *task,
|
|
Packit Service |
ea0369 |
gpointer source_object,
|
|
Packit Service |
ea0369 |
gpointer task_data,
|
|
Packit Service |
ea0369 |
GCancellable *cancellable G_GNUC_UNUSED)
|
|
Packit Service |
ea0369 |
{
|
|
Packit Service |
ea0369 |
GError *error = NULL;
|
|
Packit Service |
ea0369 |
gboolean status;
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
status = gvir_domain_snapshot_revert_to(source_object,
|
|
Packit Service |
ea0369 |
GPOINTER_TO_UINT(task_data),
|
|
Packit Service |
ea0369 |
&error);
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
if (status)
|
|
Packit Service |
ea0369 |
g_task_return_boolean(task, TRUE);
|
|
Packit Service |
ea0369 |
else
|
|
Packit Service |
ea0369 |
g_task_return_error(task, error);
|
|
Packit Service |
ea0369 |
}
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
/**
|
|
Packit Service |
ea0369 |
* gvir_domain_snapshot_revert_to_async:
|
|
Packit Service |
ea0369 |
* @snapshot: A #GVirDomainSnapshot
|
|
Packit Service |
ea0369 |
* @flags: Bitwise OR of #GVirDomainSnapshotRevertFlags
|
|
Packit Service |
ea0369 |
* @cancellable: (allow-none) (transfer none): cancellation object
|
|
Packit Service |
ea0369 |
* @callback: (scope async): The callback
|
|
Packit Service |
ea0369 |
* @user_data: (closure): Opaque data for callback
|
|
Packit Service |
ea0369 |
*/
|
|
Packit Service |
ea0369 |
void gvir_domain_snapshot_revert_to_async(GVirDomainSnapshot *snapshot,
|
|
Packit Service |
ea0369 |
guint flags,
|
|
Packit Service |
ea0369 |
GCancellable *cancellable,
|
|
Packit Service |
ea0369 |
GAsyncReadyCallback callback,
|
|
Packit Service |
ea0369 |
gpointer user_data)
|
|
Packit Service |
ea0369 |
{
|
|
Packit Service |
ea0369 |
GTask *task;
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
g_return_if_fail(GVIR_IS_DOMAIN_SNAPSHOT(snapshot));
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
task = g_task_new(snapshot, cancellable, callback, user_data);
|
|
Packit Service |
ea0369 |
g_task_set_task_data(task, GUINT_TO_POINTER(flags), NULL);
|
|
Packit Service |
ea0369 |
g_task_run_in_thread(task, _revert_to_async_thread);
|
|
Packit Service |
ea0369 |
g_object_unref(task);
|
|
Packit Service |
ea0369 |
}
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
/**
|
|
Packit Service |
ea0369 |
* gvir_domain_snapshot_revert_to_finish:
|
|
Packit Service |
ea0369 |
* @snapshot: The domain snapshot
|
|
Packit Service |
ea0369 |
* @result: (transfer none): The result
|
|
Packit Service |
ea0369 |
*
|
|
Packit Service |
ea0369 |
* Returns: %TRUE on success, %FALSE otherwise.
|
|
Packit Service |
ea0369 |
*/
|
|
Packit Service |
ea0369 |
gboolean gvir_domain_snapshot_revert_to_finish(GVirDomainSnapshot *snapshot,
|
|
Packit Service |
ea0369 |
GAsyncResult *result,
|
|
Packit Service |
ea0369 |
GError **error)
|
|
Packit Service |
ea0369 |
{
|
|
Packit Service |
ea0369 |
g_return_val_if_fail(GVIR_IS_DOMAIN_SNAPSHOT(snapshot), FALSE);
|
|
Packit Service |
ea0369 |
g_return_val_if_fail(g_task_is_valid(result, snapshot), FALSE);
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
return g_task_propagate_boolean(G_TASK(result), error);
|
|
Packit Service |
ea0369 |
}
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
/**
|
|
Packit Service |
ea0369 |
* gvir_domain_snapshot_set_config:
|
|
Packit Service |
ea0369 |
* @snapshot: The domain snapshot
|
|
Packit Service |
ea0369 |
* @conf: The new config object
|
|
Packit Service |
ea0369 |
* @error: (allow-none): Place-holder for error or %NULL
|
|
Packit Service |
ea0369 |
*
|
|
Packit Service |
ea0369 |
* Updates the given snapshot's configuration according to the
|
|
Packit Service |
ea0369 |
* given GVirConfigDomainSnapshot.
|
|
Packit Service |
ea0369 |
*
|
|
Packit Service |
ea0369 |
* Returns: %TRUE if no error was reported, %FALSE otherwise.
|
|
Packit Service |
ea0369 |
*/
|
|
Packit Service |
ea0369 |
gboolean gvir_domain_snapshot_set_config(GVirDomainSnapshot *snapshot,
|
|
Packit Service |
ea0369 |
GVirConfigDomainSnapshot *conf,
|
|
Packit Service |
ea0369 |
GError **error)
|
|
Packit Service |
ea0369 |
{
|
|
Packit Service |
ea0369 |
gchar *xml;
|
|
Packit Service |
ea0369 |
virConnectPtr conn;
|
|
Packit Service |
ea0369 |
virDomainSnapshotPtr handle;
|
|
Packit Service |
ea0369 |
virDomainPtr domain;
|
|
Packit Service |
ea0369 |
GVirDomainSnapshotPrivate *priv;
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
g_return_val_if_fail(GVIR_IS_DOMAIN_SNAPSHOT(snapshot), FALSE);
|
|
Packit Service |
ea0369 |
g_return_val_if_fail(GVIR_CONFIG_IS_DOMAIN_SNAPSHOT(conf), FALSE);
|
|
Packit Service |
ea0369 |
g_return_val_if_fail(error == NULL || *error == NULL, FALSE);
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
priv = snapshot->priv;
|
|
Packit Service |
ea0369 |
handle = priv->handle;
|
|
Packit Service |
ea0369 |
domain = virDomainSnapshotGetDomain(handle);
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
if ((conn = virDomainSnapshotGetConnect(priv->handle)) == NULL) {
|
|
Packit Service |
ea0369 |
gvir_set_error_literal(error, GVIR_DOMAIN_SNAPSHOT_ERROR,
|
|
Packit Service |
ea0369 |
0,
|
|
Packit Service |
ea0369 |
"Failed to get domain connection");
|
|
Packit Service |
ea0369 |
return FALSE;
|
|
Packit Service |
ea0369 |
}
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
/* XXX Changing the name will create a new snapshot */
|
|
Packit Service |
ea0369 |
if (g_strcmp0 (gvir_domain_snapshot_get_name(snapshot),
|
|
Packit Service |
ea0369 |
gvir_config_domain_snapshot_get_name(conf)) != 0) {
|
|
Packit Service |
ea0369 |
gvir_set_error_literal(error, GVIR_DOMAIN_SNAPSHOT_ERROR,
|
|
Packit Service |
ea0369 |
0,
|
|
Packit Service |
ea0369 |
"Cannot set config: snapshot names don't match");
|
|
Packit Service |
ea0369 |
return FALSE;
|
|
Packit Service |
ea0369 |
}
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
xml = gvir_config_object_to_xml(GVIR_CONFIG_OBJECT(conf));
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
handle = virDomainSnapshotCreateXML(domain,
|
|
Packit Service |
ea0369 |
xml,
|
|
Packit Service |
ea0369 |
VIR_DOMAIN_SNAPSHOT_CREATE_REDEFINE);
|
|
Packit Service |
ea0369 |
g_free(xml);
|
|
Packit Service |
ea0369 |
|
|
Packit Service |
ea0369 |
if (handle == NULL) {
|
|
Packit Service |
ea0369 |
gvir_set_error(error, GVIR_DOMAIN_SNAPSHOT_ERROR,
|
|
Packit Service |
ea0369 |
0,
|
|
Packit Service |
ea0369 |
"Failed to create snapshot `%s' from XML definition",
|
|
Packit Service |
ea0369 |
gvir_domain_snapshot_get_name(snapshot));
|
|
Packit Service |
ea0369 |
return FALSE;
|
|
Packit Service |
ea0369 |
}
|
|
Packit Service |
ea0369 |
virDomainSnapshotFree(handle);
|
|
Packit Service |
ea0369 |
return TRUE;
|
|
Packit Service |
ea0369 |
}
|