fwupd/plugins/upower/fu-plugin-upower.c
2018-09-04 08:22:39 -05:00

76 lines
1.8 KiB
C

/*
* Copyright (C) 2016 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include "fu-plugin-vfuncs.h"
struct FuPluginData {
GDBusProxy *proxy;
};
void
fu_plugin_init (FuPlugin *plugin)
{
fu_plugin_alloc_data (plugin, sizeof (FuPluginData));
}
void
fu_plugin_destroy (FuPlugin *plugin)
{
FuPluginData *data = fu_plugin_get_data (plugin);
if (data->proxy != NULL)
g_object_unref (data->proxy);
}
gboolean
fu_plugin_startup (FuPlugin *plugin, GError **error)
{
FuPluginData *data = fu_plugin_get_data (plugin);
data->proxy =
g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
NULL,
"org.freedesktop.UPower",
"/org/freedesktop/UPower",
"org.freedesktop.UPower",
NULL,
error);
if (data->proxy == NULL) {
g_prefix_error (error, "failed to connect to upower: ");
return FALSE;
}
return TRUE;
}
gboolean
fu_plugin_update_prepare (FuPlugin *plugin,
FwupdInstallFlags flags,
FuDevice *device,
GError **error)
{
FuPluginData *data = fu_plugin_get_data (plugin);
g_autoptr(GVariant) value = NULL;
/* can we only do this on AC power */
if (!fu_device_has_flag (device, FWUPD_DEVICE_FLAG_REQUIRE_AC))
return TRUE;
value = g_dbus_proxy_get_cached_property (data->proxy, "OnBattery");
if (value == NULL) {
g_warning ("failed to get OnBattery value, assume on AC power");
return TRUE;
}
if (g_variant_get_boolean (value) && (flags & FWUPD_INSTALL_FLAG_FORCE) == 0) {
g_set_error_literal (error,
FWUPD_ERROR,
FWUPD_ERROR_AC_POWER_REQUIRED,
"Cannot install update "
"when not on AC power unless forced");
return FALSE;
}
return TRUE;
}