/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2013 Red Hat, Inc.
*/
#include "libnm/nm-default-libnm.h"
#include "nm-dbus-helpers.h"
#include "nm-dbus-interface.h"
GBusType
_nm_dbus_bus_type(void)
{
static volatile int bus_type = G_BUS_TYPE_NONE;
int v;
v = g_atomic_int_get(&bus_type);
if (G_UNLIKELY(v == G_BUS_TYPE_NONE)) {
v = G_BUS_TYPE_SYSTEM;
if (g_getenv("LIBNM_USE_SESSION_BUS"))
v = G_BUS_TYPE_SESSION;
if (!g_atomic_int_compare_and_exchange(&bus_type, G_BUS_TYPE_NONE, v))
v = g_atomic_int_get(&bus_type);
nm_assert(v != G_BUS_TYPE_NONE);
}
return v;
}
/* Binds the properties on a generated server-side GDBus object to the
* corresponding properties on the public object.
*/
void
_nm_dbus_bind_properties(gpointer object, gpointer skeleton)
{
GParamSpec **properties;
guint n_properties;
int i;
properties = g_object_class_list_properties(G_OBJECT_GET_CLASS(skeleton), &n_properties);
for (i = 0; i < n_properties; i++) {
if (g_str_has_prefix(properties[i]->name, "g-"))
continue;
g_object_bind_property(object,
properties[i]->name,
skeleton,
properties[i]->name,
G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
}
g_free(properties);
}
static char *
signal_name_from_method_name(const char *method_name)
{
GString * signal_name;
const char *p;
signal_name = g_string_new("handle");
for (p = method_name; *p; p++) {
if (g_ascii_isupper(*p))
g_string_append_c(signal_name, '-');
g_string_append_c(signal_name, g_ascii_tolower(*p));
}
return g_string_free(signal_name, FALSE);
}
static void
_nm_dbus_method_meta_marshal(GClosure * closure,
GValue * return_value,
guint n_param_values,
const GValue *param_values,
gpointer invocation_hint,
gpointer marshal_data)
{
closure->marshal(closure,
return_value,
n_param_values,
param_values,
invocation_hint,
((GCClosure *) closure)->callback);
g_value_set_boolean(return_value, TRUE);
}
/* Takes (method_name, handler_func) pairs and connects the handlers to the
* signals on skeleton, with object as the user_data, but swapped so it comes
* first in the argument list, and handling the return value automatically.
*/
void
_nm_dbus_bind_methods(gpointer object, gpointer skeleton, ...)
{
va_list ap;
const char *method_name;
char * signal_name;
GCallback handler;
GClosure * closure;
va_start(ap, skeleton);
while ((method_name = va_arg(ap, const char *)) && (handler = va_arg(ap, GCallback))) {
signal_name = signal_name_from_method_name(method_name);
closure = g_cclosure_new_swap(handler, object, NULL);
g_closure_set_meta_marshal(closure, NULL, _nm_dbus_method_meta_marshal);
g_signal_connect_closure(skeleton, signal_name, closure, FALSE);
g_free(signal_name);
}
va_end(ap);
}