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// SPDX-License-Identifier: LGPL-2.1+
/*
* Copyright (C) 2007 - 2008 Novell, Inc.
* Copyright (C) 2007 - 2012 Red Hat, Inc.
*/
#include "nm-default.h"
#include "nm-object.h"
#include <stdlib.h>
#include <stdio.h>
#include "nm-utils.h"
#include "nm-dbus-interface.h"
#include "nm-object-private.h"
#include "nm-dbus-helpers.h"
#include "nm-client.h"
#include "nm-core-internal.h"
#include "c-list/src/c-list.h"
/*****************************************************************************/
NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_PATH, );
typedef struct _NMObjectPrivate {
NMClient * client;
NMLDBusObject *dbobj;
} NMObjectPrivate;
G_DEFINE_ABSTRACT_TYPE(NMObject, nm_object, G_TYPE_OBJECT);
#define NM_OBJECT_GET_PRIVATE(self) _NM_GET_PRIVATE_PTR(self, NMObject, NM_IS_OBJECT)
static NMObjectClass *_nm_object_class = NULL;
/*****************************************************************************/
static gpointer
_nm_object_get_private(NMObjectClass *klass, NMObject *self, guint16 extra_offset)
{
char *ptr;
nm_assert(klass->priv_ptr_offset > 0);
ptr = (char *) self;
ptr += klass->priv_ptr_offset;
if (klass->priv_ptr_indirect)
ptr = *((gpointer *) ptr);
return ptr + extra_offset;
}
NMLDBusObject *
_nm_object_get_dbobj(gpointer self)
{
return NM_OBJECT_GET_PRIVATE(self)->dbobj;
}
const char *
_nm_object_get_path(gpointer self)
{
return NM_OBJECT_GET_PRIVATE(self)->dbobj->dbus_path->str;
}
NMClient *
_nm_object_get_client(gpointer self)
{
return NM_OBJECT_GET_PRIVATE(self)->client;
}
/**
* nm_object_get_path:
* @object: a #NMObject
*
* Gets the DBus path of the #NMObject.
*
* Returns: the object's path. This is the internal string used by the
* object, and must not be modified.
*
* Note that the D-Bus path of an NMObject never changes, even
* if the instance gets removed from the cache. To find out
* whether the object is still alive/cached, check nm_object_get_client().
**/
const char *
nm_object_get_path(NMObject *object)
{
g_return_val_if_fail(NM_IS_OBJECT(object), NULL);
return _nm_object_get_path(object);
}
/**
* nm_object_get_client:
* @object: a #NMObject
*
* Returns the #NMClient instance in which object is cached.
* Also, if the object got removed from the client cached,
* this returns %NULL. So it can be used to check whether the
* object is still alive.
*
* Returns: (transfer none): the #NMClient cache in which the
* object can be found, or %NULL if the object is no longer
* cached.
*
* Since: 1.24
**/
NMClient *
nm_object_get_client(NMObject *object)
{
g_return_val_if_fail(NM_IS_OBJECT(object), NULL);
return _nm_object_get_client(object);
}
/*****************************************************************************/
static void
clear_properties(NMObject *self, NMClient *client)
{
NMObjectClass * klass = NM_OBJECT_GET_CLASS(self);
const _NMObjectClassFieldInfo *p;
nm_assert(NM_IS_OBJECT(self));
nm_assert(!client || NM_IS_CLIENT(client));
for (p = klass->property_o_info; p; p = p->parent) {
nml_dbus_property_o_clear_many(_nm_object_get_private(p->klass, self, p->offset),
p->num,
client);
}
for (p = klass->property_ao_info; p; p = p->parent) {
nml_dbus_property_ao_clear_many(_nm_object_get_private(p->klass, self, p->offset),
p->num,
client);
}
}
/*****************************************************************************/
static gboolean
is_ready(NMObject *self)
{
NMObjectClass * klass = NM_OBJECT_GET_CLASS(self);
NMClient * client = _nm_object_get_client(self);
const _NMObjectClassFieldInfo *p;
guint16 i;
nm_assert(NM_IS_CLIENT(client));
for (p = klass->property_o_info; p; p = p->parent) {
NMLDBusPropertyO *fields = _nm_object_get_private(p->klass, self, p->offset);
for (i = 0; i < p->num; i++) {
if (!nml_dbus_property_o_is_ready(&fields[i]))
return FALSE;
}
}
for (p = klass->property_ao_info; p; p = p->parent) {
NMLDBusPropertyAO *fields = _nm_object_get_private(p->klass, self, p->offset);
for (i = 0; i < p->num; i++) {
if (!nml_dbus_property_ao_is_ready(&fields[i]))
return FALSE;
}
}
return TRUE;
}
static void
obj_changed_notify(NMObject *self)
{
NMObjectClass * klass = NM_OBJECT_GET_CLASS(self);
NMClient * client = _nm_object_get_client(self);
const _NMObjectClassFieldInfo *p;
nm_assert(NM_IS_CLIENT(client));
for (p = klass->property_o_info; p; p = p->parent) {
nml_dbus_property_o_notify_changed_many(_nm_object_get_private(p->klass, self, p->offset),
p->num,
client);
}
for (p = klass->property_ao_info; p; p = p->parent) {
nml_dbus_property_ao_notify_changed_many(_nm_object_get_private(p->klass, self, p->offset),
p->num,
client);
}
}
/*****************************************************************************/
static void
register_client(NMObject *self, NMClient *client, NMLDBusObject *dbobj)
{
NMObjectPrivate *priv = NM_OBJECT_GET_PRIVATE(self);
nm_assert(!priv->client);
nm_assert(NML_IS_DBUS_OBJECT(dbobj));
nm_assert(dbobj->nmobj == G_OBJECT(self));
priv->client = client;
priv->dbobj = nml_dbus_object_ref(dbobj);
}
static void
unregister_client(NMObject *self, NMClient *client, NMLDBusObject *dbobj)
{
NMObjectPrivate *priv = NM_OBJECT_GET_PRIVATE(self);
nm_assert(NM_IS_CLIENT(client));
nm_assert(priv->client == client);
priv->client = NULL;
clear_properties(self, client);
}
/*****************************************************************************/
static void
get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
NMObject *self = NM_OBJECT(object);
switch (prop_id) {
case PROP_PATH:
g_value_set_string(value, nm_object_get_path(self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
/*****************************************************************************/
static void
nm_object_init(NMObject *object)
{
NMObject * self = NM_OBJECT(object);
NMObjectPrivate *priv;
priv = G_TYPE_INSTANCE_GET_PRIVATE(self, NM_TYPE_OBJECT, NMObjectPrivate);
self->_priv = priv;
c_list_init(&self->obj_base.queue_notify_lst);
}
static void
dispose(GObject *object)
{
NMObject * self = NM_OBJECT(object);
NMObjectPrivate *priv = NM_OBJECT_GET_PRIVATE(self);
self->obj_base.is_disposing = TRUE;
nm_assert(c_list_is_empty(&self->obj_base.queue_notify_lst));
nm_assert(!priv->client);
nm_assert(!priv->dbobj || !priv->dbobj->nmobj);
clear_properties(self, NULL);
G_OBJECT_CLASS(nm_object_parent_class)->dispose(object);
nm_clear_pointer(&priv->dbobj, nml_dbus_object_unref);
}
static void
nm_object_class_init(NMObjectClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS(klass);
_nm_object_class = klass;
g_type_class_add_private(klass, sizeof(NMObjectPrivate));
object_class->get_property = get_property;
object_class->dispose = dispose;
klass->register_client = register_client;
klass->unregister_client = unregister_client;
klass->is_ready = is_ready;
klass->obj_changed_notify = obj_changed_notify;
/**
* NMObject:path:
*
* The D-Bus object path.
**/
obj_properties[PROP_PATH] = g_param_spec_string(NM_OBJECT_PATH,
"",
"",
NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties);
}
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