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https://git.proxmox.com/git/fwupd
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1a58398afb
This CL moves the battery information retrieval into a new function, called "fu_plugin_powerd_callback()", which returns the information in a struct. This information is then used in fu_plugin_update_prepare() for battery checks. There is also a g_timeout_add() function being created in fu_plugin_startup() in order to enable the plugin to repeatedly send a method call to powerd. fu_plugin_update_prepare is removed as its functionality is now handled by src/fu-engine.c
102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
/*
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* Copyright (C) 2021 Twain Byrnes <binarynewts@google.com>
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* Copyright (C) 2021 George Popoola <gpopoola@google.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 gboolean
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fu_plugin_powerd_refresh_cb(FuPlugin *plugin)
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{
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FuPluginData *data = fu_plugin_get_data(plugin);
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FuContext *ctx = fu_plugin_get_context(plugin);
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guint32 power_type;
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guint32 current_state;
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gdouble current_level;
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g_autoptr(GVariant) powerd_response = NULL;
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/* retrieving battery info from "GetBatteryState" method call to powerd */
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powerd_response = g_dbus_proxy_call_sync(data->proxy,
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"GetBatteryState",
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NULL,
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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NULL,
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G_SOURCE_REMOVE);
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if (powerd_response == NULL) {
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g_debug("battery information was not loaded");
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return G_SOURCE_REMOVE;
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}
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/* parse and use for battery-check conditions */
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g_variant_get(powerd_response, "(uud)", &power_type, ¤t_state, ¤t_level);
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/* checking if percentage is invalid */
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if (current_level < 1 || current_level > 100)
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current_level = FU_BATTERY_VALUE_INVALID;
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fu_context_set_battery_state(ctx, current_state);
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fu_context_set_battery_level(ctx, current_level);
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return G_SOURCE_CONTINUE;
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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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/* establish proxy for method call to powerd */
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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.chromium.PowerManager",
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"/org/chromium/PowerManager",
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"org.chromium.PowerManager",
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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 establish proxy: ");
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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 service that owns the name 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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/* start a timer to repeatedly run fu_plugin_powerd_refresh_cb at a set interval */
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g_timeout_add_seconds(5, G_SOURCE_FUNC(fu_plugin_powerd_refresh_cb), plugin);
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return TRUE;
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}
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