daemon: Move a number of constants to a shared file

https://bugs.freedesktop.org/show_bug.cgi?id=100359

src/Makefile.am

@@ -41,6 +41,7 @@ UPOWER_LIBS = \
 libexec_PROGRAMS = upowerd
 
 upowerd_SOURCES =						\
+	up-constants.h						\
 	up-daemon.h						\
 	up-daemon.c						\
 	up-device.h						\

src/linux/up-device-hid.c

@@ -50,6 +50,7 @@
 #include "sysfs-utils.h"
 #include "up-types.h"
 #include "up-device-hid.h"
+#include "up-constants.h"
 
 #define UP_DEVICE_HID_REFRESH_TIMEOUT			30l
 
@@ -289,9 +290,9 @@ up_device_hid_fixup_state (UpDevice *device)
 
 	/* map states the UPS cannot express */
 	g_object_get (device, "percentage", &percentage, NULL);
-	if (percentage < 0.01)
+	if (percentage < UP_DAEMON_EPSILON)
 		g_object_set (device, "state", UP_DEVICE_STATE_EMPTY, NULL);
-	if (percentage > 99.9)
+	if (percentage > (100.0 - UP_DAEMON_EPSILON))
 		g_object_set (device, "state", UP_DEVICE_STATE_FULLY_CHARGED, NULL);
 }
 

src/linux/up-device-supply.c

@@ -36,11 +36,9 @@
 #include "sysfs-utils.h"
 #include "up-config.h"
 #include "up-types.h"
+#include "up-constants.h"
 #include "up-device-supply.h"
 
-#define UP_DEVICE_SUPPLY_REFRESH_TIMEOUT	30	/* seconds */
-#define UP_DEVICE_SUPPLY_UNKNOWN_TIMEOUT	1	/* seconds */
-#define UP_DEVICE_SUPPLY_UNKNOWN_RETRIES	5
 #define UP_DEVICE_SUPPLY_CHARGED_THRESHOLD	90.0f	/* % */
 
 #define UP_DEVICE_SUPPLY_COLDPLUG_UNITS_CHARGE		TRUE
@@ -278,7 +276,7 @@ up_device_supply_calculate_rate (UpDeviceSupply *supply, gdouble energy)
 		return supply->priv->rate_old;
 
 	/* Compute the discharge per hour, and not per second */
-	rate /= sum_x / 3600.0f;
+	rate /= sum_x / SECONDS_PER_HOUR_F;
 
 	/* if the rate is zero, use the old rate. It will usually happens if no
 	 * data is in the buffer yet. If the rate is too high, i.e. more than,
@@ -942,7 +940,7 @@ up_device_supply_poll_unknown_battery (UpDevice *device)
 	UpDeviceSupply *supply = UP_DEVICE_SUPPLY (device);
 
 	g_debug ("Unknown state on supply %s; forcing update after %i seconds",
-		 up_device_get_object_path (device), UP_DEVICE_SUPPLY_UNKNOWN_TIMEOUT);
+		 up_device_get_object_path (device), UP_DAEMON_UNKNOWN_TIMEOUT);
 
 	supply->priv->poll_timer_id = 0;
 	up_device_supply_refresh (device);
@@ -1130,9 +1128,9 @@ up_device_supply_setup_unknown_poll (UpDevice      *device,
 
 	/* if it's unknown, poll faster than we would normally */
 	if (state == UP_DEVICE_STATE_UNKNOWN &&
-	    supply->priv->unknown_retries < UP_DEVICE_SUPPLY_UNKNOWN_RETRIES) {
+	    supply->priv->unknown_retries < UP_DAEMON_UNKNOWN_RETRIES) {
 		supply->priv->poll_timer_id =
-			g_timeout_add_seconds (UP_DEVICE_SUPPLY_UNKNOWN_TIMEOUT,
+			g_timeout_add_seconds (UP_DAEMON_UNKNOWN_TIMEOUT,
 					       (GSourceFunc) up_device_supply_poll_unknown_battery, supply);
 		g_source_set_name_by_id (supply->priv->poll_timer_id, "[upower] up_device_supply_poll_unknown_battery (linux)");
 

src/up-constants.h

@@ -0,0 +1,41 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2017 Bastien Nocera <hadess@hadess.net>
+ *
+ * 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.
+ */
+
+#ifndef __UP_CONSTANTS_H
+#define __UP_CONSTANTS_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define UP_DAEMON_UNKNOWN_TIMEOUT			   1 /* second */
+#define UP_DAEMON_UNKNOWN_RETRIES			   5
+#define UP_DAEMON_SHORT_TIMEOUT				  30 /* seconds */
+#define UP_DAEMON_LONG_TIMEOUT				 120 /* seconds */
+
+#define UP_DAEMON_EPSILON				0.01 /* I can't believe it's not zero */
+
+#define SECONDS_PER_HOUR				3600 /* seconds in an hour */
+#define SECONDS_PER_HOUR_F				3600.0f
+
+G_END_DECLS
+
+#endif /* __UP_CONSTANTS_H */

src/up-daemon.c

@@ -31,6 +31,7 @@
 #include <glib-object.h>
 
 #include "up-config.h"
+#include "up-constants.h"
 #include "up-device-list.h"
 #include "up-device.h"
 #include "up-backend.h"
@@ -247,9 +248,9 @@ up_daemon_update_display_battery (UpDaemon *daemon)
 	/* calculate a quick and dirty time remaining value */
 	if (energy_rate_total > 0) {
 		if (state_total == UP_DEVICE_STATE_DISCHARGING)
-			time_to_empty_total = 3600 * (energy_total / energy_rate_total);
+			time_to_empty_total = SECONDS_PER_HOUR * (energy_total / energy_rate_total);
 		else if (state_total == UP_DEVICE_STATE_CHARGING)
-			time_to_full_total = 3600 * ((energy_full_total - energy_total) / energy_rate_total);
+			time_to_full_total = SECONDS_PER_HOUR * ((energy_full_total - energy_total) / energy_rate_total);
 	}
 
 out:
@@ -788,8 +789,8 @@ calculate_timeout (UpDevice *device)
 
 	g_object_get (G_OBJECT (device), "warning-level", &warning_level, NULL);
 	if (warning_level >= UP_DEVICE_LEVEL_DISCHARGING)
-		return 30;
-	return 120;
+		return UP_DAEMON_SHORT_TIMEOUT;
+	return UP_DAEMON_LONG_TIMEOUT;
 }
 
 static void