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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2018 Red Hat, Inc.
*/
#include "nm-default.h"
#include "nm-settings-storage.h"
#include "nm-utils.h"
#include "nm-settings-plugin.h"
#include "settings/plugins/keyfile/nms-keyfile-storage.h"
/*****************************************************************************/
int
nm_settings_storage_cmp(NMSettingsStorage *a, NMSettingsStorage *b, const GSList *plugin_list)
{
NMSettingsStorageClass *klass;
/* Sort by priority.
*
* If a > b (by priority), we return a positive number (as one
* would expect by a cmp() function). */
nm_assert(NM_IS_SETTINGS_STORAGE(a));
nm_assert(NM_IS_SETTINGS_STORAGE(b));
nm_assert(a != b);
nm_assert(nm_streq(nm_settings_storage_get_uuid(a), nm_settings_storage_get_uuid(b)));
/* in-memory has always higher priority */
NM_CMP_DIRECT(nm_settings_storage_is_keyfile_run(a), nm_settings_storage_is_keyfile_run(b));
NM_CMP_RETURN(nm_settings_plugin_cmp_by_priority(nm_settings_storage_get_plugin(a),
nm_settings_storage_get_plugin(b),
plugin_list));
klass = NM_SETTINGS_STORAGE_GET_CLASS(a);
if (klass != NM_SETTINGS_STORAGE_GET_CLASS(b)) {
/* one plugin must return storages of the same type. Otherwise, it's
* unclear how cmp_fcn() should compare them. */
nm_assert_not_reached();
return 0;
}
if (klass->cmp_fcn)
NM_CMP_RETURN(klass->cmp_fcn(a, b));
return 0;
}
/*****************************************************************************/
NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_PLUGIN, PROP_UUID, PROP_FILENAME, );
G_DEFINE_TYPE(NMSettingsStorage, nm_settings_storage, G_TYPE_OBJECT)
/*****************************************************************************/
static void
set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
NMSettingsStorage *self = NM_SETTINGS_STORAGE(object);
switch (prop_id) {
case PROP_PLUGIN:
/* construct-only */
self->_plugin = g_object_ref(g_value_get_object(value));
nm_assert(NM_IS_SETTINGS_PLUGIN(self->_plugin));
break;
case PROP_UUID:
/* construct-only */
self->_uuid = g_value_dup_string(value);
nm_assert(!self->_uuid || nm_utils_is_uuid(self->_uuid));
break;
case PROP_FILENAME:
/* construct-only */
self->_filename = g_value_dup_string(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
/*****************************************************************************/
static void
nm_settings_storage_init(NMSettingsStorage *self)
{
c_list_init(&self->_storage_lst);
c_list_init(&self->_storage_by_uuid_lst);
}
NMSettingsStorage *
nm_settings_storage_new(NMSettingsPlugin *plugin, const char *uuid, const char *filename)
{
nm_assert(NM_IS_SETTINGS_PLUGIN(plugin));
nm_assert(nm_utils_is_uuid(uuid));
return g_object_new(NM_TYPE_SETTINGS_STORAGE,
NM_SETTINGS_STORAGE_PLUGIN,
plugin,
NM_SETTINGS_STORAGE_UUID,
uuid,
NM_SETTINGS_STORAGE_FILENAME,
filename,
NULL);
}
static void
finalize(GObject *object)
{
NMSettingsStorage *self = NM_SETTINGS_STORAGE(object);
c_list_unlink_stale(&self->_storage_lst);
c_list_unlink_stale(&self->_storage_by_uuid_lst);
g_object_unref(self->_plugin);
g_free(self->_uuid);
g_free(self->_filename);
G_OBJECT_CLASS(nm_settings_storage_parent_class)->finalize(object);
}
static void
nm_settings_storage_class_init(NMSettingsStorageClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS(klass);
object_class->set_property = set_property;
object_class->finalize = finalize;
obj_properties[PROP_PLUGIN] =
g_param_spec_object(NM_SETTINGS_STORAGE_PLUGIN,
"",
"",
NM_TYPE_SETTINGS_PLUGIN,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_UUID] =
g_param_spec_string(NM_SETTINGS_STORAGE_UUID,
"",
"",
NULL,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
obj_properties[PROP_FILENAME] =
g_param_spec_string(NM_SETTINGS_STORAGE_FILENAME,
"",
"",
NULL,
G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties);
}
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