summaryrefslogtreecommitdiff
path: root/src/up-main.c
blob: d116487a4c92899177a79ac2e7f37e998a06c368 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
 *
 * Copyright (C) 2007 David Zeuthen <davidz@redhat.com>
 * Copyright (C) 2008-2009 Richard Hughes <richard@hughsie.com>
 *
 * Licensed under the GNU General Public License Version 2
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif

#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <unistd.h>

#include <glib.h>
#include <glib/gi18n-lib.h>
#include <glib-object.h>

#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>

#include "up-daemon.h"
#include "up-qos.h"
#include "up-kbd-backlight.h"
#include "up-wakeups.h"

#define DEVKIT_POWER_SERVICE_NAME "org.freedesktop.UPower"
static GMainLoop *loop = NULL;

/**
 * up_main_acquire_name_on_proxy:
 **/
static gboolean
up_main_acquire_name_on_proxy (DBusGProxy *bus_proxy, const gchar *name)
{
	GError *error = NULL;
	guint result;
	gboolean ret = FALSE;

	if (bus_proxy == NULL)
		goto out;

	ret = dbus_g_proxy_call (bus_proxy, "RequestName", &error,
				 G_TYPE_STRING, name,
				 G_TYPE_UINT, 0,
				 G_TYPE_INVALID,
				 G_TYPE_UINT, &result,
				 G_TYPE_INVALID);
	if (!ret) {
		if (error != NULL) {
			g_warning ("Failed to acquire %s: %s", name, error->message);
			g_error_free (error);
		} else {
			g_warning ("Failed to acquire %s", name);
		}
		goto out;
	}

	/* already taken */
 	if (result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
		if (error != NULL) {
			g_warning ("Failed to acquire %s: %s", name, error->message);
			g_error_free (error);
		} else {
			g_warning ("Failed to acquire %s", name);
		}
		ret = FALSE;
		goto out;
	}
out:
	return ret;
}

/**
 * up_main_sigint_handler:
 **/
static void
up_main_sigint_handler (gint sig)
{
	g_debug ("Handling SIGINT");

	/* restore default */
	signal (SIGINT, SIG_DFL);

	/* cleanup */
	g_main_loop_quit (loop);
}

/**
 * up_main_timed_exit_cb:
 *
 * Exits the main loop, which is helpful for valgrinding.
 **/
static gboolean
up_main_timed_exit_cb (GMainLoop *loop)
{
	g_main_loop_quit (loop);
	return FALSE;
}

/**
 * main:
 **/
gint
main (gint argc, gchar **argv)
{
	GError *error = NULL;
	UpDaemon *daemon = NULL;
	UpQos *qos = NULL;
	UpKbdBacklight *kbd_backlight = NULL;
	UpWakeups *wakeups = NULL;
	GOptionContext *context;
	DBusGProxy *bus_proxy;
	DBusGConnection *bus;
	gboolean ret;
	gint retval = 1;
	gboolean timed_exit = FALSE;
	gboolean immediate_exit = FALSE;
	guint timer_id = 0;

	const GOptionEntry options[] = {
		{ "timed-exit", '\0', 0, G_OPTION_ARG_NONE, &timed_exit,
		  /* TRANSLATORS: exit after we've started up, used for user profiling */
		  _("Exit after a small delay"), NULL },
		{ "immediate-exit", '\0', 0, G_OPTION_ARG_NONE, &immediate_exit,
		  /* TRANSLATORS: exit straight away, used for automatic profiling */
		  _("Exit after the engine has loaded"), NULL },
		{ NULL}
	};

	g_type_init ();

	context = g_option_context_new ("upower daemon");
	g_option_context_add_main_entries (context, options, NULL);
	g_option_context_parse (context, &argc, &argv, NULL);
	g_option_context_free (context);

	/* get bus connection */
	bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error);
	if (bus == NULL) {
		g_warning ("Couldn't connect to system bus: %s", error->message);
		g_error_free (error);
		goto out;
	}

	/* get proxy */
	bus_proxy = dbus_g_proxy_new_for_name (bus, DBUS_SERVICE_DBUS,
					       DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS);
	if (bus_proxy == NULL) {
		g_warning ("Could not construct bus_proxy object; bailing out");
		goto out;
	}

	/* aquire name */
	ret = up_main_acquire_name_on_proxy (bus_proxy, DEVKIT_POWER_SERVICE_NAME);
	if (!ret) {
		g_warning ("Could not acquire name; bailing out");
		goto out;
	}

	/* do stuff on ctrl-c */
	signal (SIGINT, up_main_sigint_handler);

	g_debug ("Starting upowerd version %s", PACKAGE_VERSION);

	qos = up_qos_new ();
	kbd_backlight = up_kbd_backlight_new ();
	wakeups = up_wakeups_new ();
	daemon = up_daemon_new ();
	loop = g_main_loop_new (NULL, FALSE);
	ret = up_daemon_startup (daemon);
	if (!ret) {
		g_warning ("Could not startup; bailing out");
		goto out;
	}

	/* only timeout and close the mainloop if we have specified it on the command line */
	if (timed_exit) {
		timer_id = g_timeout_add_seconds (30, (GSourceFunc) up_main_timed_exit_cb, loop);
#if GLIB_CHECK_VERSION(2,25,8)
		g_source_set_name_by_id (timer_id, "[UpMain] idle");
#endif
	}

	/* immediatly exit */
	if (immediate_exit)
		g_timeout_add (50, (GSourceFunc) up_main_timed_exit_cb, loop);

	/* wait for input or timeout */
	g_main_loop_run (loop);
	retval = 0;
out:
	if (qos != NULL)
		g_object_unref (qos);
	if (kbd_backlight != NULL)
		g_object_unref (kbd_backlight);
	if (wakeups != NULL)
		g_object_unref (wakeups);
	if (daemon != NULL)
		g_object_unref (daemon);
	if (loop != NULL)
		g_main_loop_unref (loop);
	return retval;
}