mirror of
https://git.proxmox.com/git/fwupd
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112 lines
3.0 KiB
C
112 lines
3.0 KiB
C
/*
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* Copyright (C) 2016 Richard Hughes <richard@hughsie.com>
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*
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* SPDX-License-Identifier: LGPL-2.1+
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*/
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#include "config.h"
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#include <fwupdplugin.h>
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struct FuPluginData {
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GDBusProxy *proxy; /* nullable */
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};
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void
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fu_plugin_init(FuPlugin *plugin)
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{
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fu_plugin_set_build_hash(plugin, FU_BUILD_HASH);
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fu_plugin_alloc_data(plugin, sizeof(FuPluginData));
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}
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void
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fu_plugin_destroy(FuPlugin *plugin)
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{
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FuPluginData *data = fu_plugin_get_data(plugin);
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if (data->proxy != NULL)
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g_object_unref(data->proxy);
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}
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static void
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fu_plugin_upower_rescan(FuPlugin *plugin)
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{
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FuContext *ctx = fu_plugin_get_context(plugin);
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FuPluginData *data = fu_plugin_get_data(plugin);
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g_autoptr(GVariant) percentage_val = NULL;
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g_autoptr(GVariant) type_val = NULL;
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g_autoptr(GVariant) state_val = NULL;
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/* check that we "have" a battery */
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type_val = g_dbus_proxy_get_cached_property(data->proxy, "Type");
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if (type_val == NULL || g_variant_get_uint32(type_val) == 0) {
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g_warning("failed to query power type");
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fu_context_set_battery_state(ctx, FU_BATTERY_STATE_UNKNOWN);
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fu_context_set_battery_level(ctx, FU_BATTERY_VALUE_INVALID);
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return;
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}
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state_val = g_dbus_proxy_get_cached_property(data->proxy, "State");
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if (state_val == NULL || g_variant_get_uint32(state_val) == 0) {
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g_warning("failed to query power state");
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fu_context_set_battery_state(ctx, FU_BATTERY_STATE_UNKNOWN);
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fu_context_set_battery_level(ctx, FU_BATTERY_VALUE_INVALID);
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return;
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}
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fu_context_set_battery_state(ctx, g_variant_get_uint32(state_val));
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/* get percentage */
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percentage_val = g_dbus_proxy_get_cached_property(data->proxy, "Percentage");
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if (percentage_val == NULL) {
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g_warning("failed to query power percentage level");
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fu_context_set_battery_level(ctx, FU_BATTERY_VALUE_INVALID);
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return;
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}
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fu_context_set_battery_level(ctx, g_variant_get_double(percentage_val));
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}
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static void
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fu_plugin_upower_proxy_changed_cb(GDBusProxy *proxy,
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GVariant *changed_properties,
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GStrv invalidated_properties,
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FuPlugin *plugin)
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{
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fu_plugin_upower_rescan(plugin);
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}
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gboolean
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fu_plugin_startup(FuPlugin *plugin, GError **error)
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{
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FuPluginData *data = fu_plugin_get_data(plugin);
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g_autofree gchar *name_owner = NULL;
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data->proxy = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SYSTEM,
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G_DBUS_PROXY_FLAGS_NONE,
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NULL,
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"org.freedesktop.UPower",
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"/org/freedesktop/UPower/devices/DisplayDevice",
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"org.freedesktop.UPower.Device",
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NULL,
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error);
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if (data->proxy == NULL) {
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g_prefix_error(error, "failed to connect to upower: ");
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return FALSE;
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}
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name_owner = g_dbus_proxy_get_name_owner(data->proxy);
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if (name_owner == NULL) {
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g_set_error(error,
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FWUPD_ERROR,
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FWUPD_ERROR_NOT_SUPPORTED,
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"no owner for %s",
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g_dbus_proxy_get_name(data->proxy));
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return FALSE;
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}
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g_signal_connect(data->proxy,
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"g-properties-changed",
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G_CALLBACK(fu_plugin_upower_proxy_changed_cb),
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plugin);
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fu_plugin_upower_rescan(plugin);
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/* success */
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return TRUE;
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}
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