/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- * * Copyright (C) 2005 William Jon McCann <mccann@jhu.edu> * Copyright (C) 2005-2009 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. */ #include "config.h" #include <stdlib.h> #include <stdio.h> #include <time.h> #include <errno.h> #include <string.h> #include <sys/time.h> #include <sys/types.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif /* HAVE_UNISTD_H */ #include <glib.h> #include <glib/gi18n.h> #include <gtk/gtk.h> #include "egg-debug.h" #include "egg-idletime.h" #include "gpm-idle.h" #include "gpm-load.h" #include "gpm-session.h" #define GPM_IDLE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GPM_TYPE_IDLE, GpmIdlePrivate)) /* Sets the idle percent limit, i.e. how hard the computer can work while considered "at idle" */ #define GPM_IDLE_CPU_LIMIT 5 #define GPM_IDLE_IDLETIME_ID 1 struct GpmIdlePrivate { EggIdletime *idletime; GpmLoad *load; GpmSession *session; GpmIdleMode mode; guint timeout_dim; /* in seconds */ guint timeout_blank; /* in seconds */ guint timeout_sleep; /* in seconds */ guint timeout_blank_id; guint timeout_sleep_id; gboolean x_idle; gboolean check_type_cpu; }; enum { IDLE_CHANGED, LAST_SIGNAL }; static guint signals [LAST_SIGNAL] = { 0 }; static gpointer gpm_idle_object = NULL; G_DEFINE_TYPE (GpmIdle, gpm_idle, G_TYPE_OBJECT) /** * gpm_idle_mode_to_string: **/ static const gchar * gpm_idle_mode_to_string (GpmIdleMode mode) { if (mode == GPM_IDLE_MODE_NORMAL) return "normal"; if (mode == GPM_IDLE_MODE_DIM) return "dim"; if (mode == GPM_IDLE_MODE_BLANK) return "blank"; if (mode == GPM_IDLE_MODE_SLEEP) return "sleep"; return "unknown"; } /** * gpm_idle_set_mode: * @mode: The new mode, e.g. GPM_IDLE_MODE_SLEEP **/ static void gpm_idle_set_mode (GpmIdle *idle, GpmIdleMode mode) { g_return_if_fail (GPM_IS_IDLE (idle)); if (mode != idle->priv->mode) { idle->priv->mode = mode; egg_debug ("Doing a state transition: %s", gpm_idle_mode_to_string (mode)); g_signal_emit (idle, signals [IDLE_CHANGED], 0, mode); } } /** * gpm_idle_set_check_cpu: * @check_type_cpu: If we should check the CPU before mode becomes * GPM_IDLE_MODE_SLEEP and the event is done. **/ void gpm_idle_set_check_cpu (GpmIdle *idle, gboolean check_type_cpu) { g_return_if_fail (GPM_IS_IDLE (idle)); egg_debug ("Setting the CPU load check to %i", check_type_cpu); idle->priv->check_type_cpu = check_type_cpu; } /** * gpm_idle_get_mode: * Return value: The current mode, e.g. GPM_IDLE_MODE_SLEEP **/ GpmIdleMode gpm_idle_get_mode (GpmIdle *idle) { return idle->priv->mode; } /** * gpm_idle_blank_cb: **/ static gboolean gpm_idle_blank_cb (GpmIdle *idle) { if (idle->priv->mode > GPM_IDLE_MODE_BLANK) { egg_debug ("ignoring current mode %s", gpm_idle_mode_to_string (idle->priv->mode)); return FALSE; } gpm_idle_set_mode (idle, GPM_IDLE_MODE_BLANK); return FALSE; } /** * gpm_idle_sleep_cb: **/ static gboolean gpm_idle_sleep_cb (GpmIdle *idle) { gdouble load; gboolean ret = FALSE; /* get our computed load value */ if (idle->priv->check_type_cpu) { load = gpm_load_get_current (idle->priv->load); if (load > GPM_IDLE_CPU_LIMIT) { /* check if system is "idle" enough */ egg_debug ("Detected that the CPU is busy"); ret = TRUE; goto out; } } gpm_idle_set_mode (idle, GPM_IDLE_MODE_SLEEP); out: return ret; } /** * gpm_idle_evaluate: **/ static void gpm_idle_evaluate (GpmIdle *idle) { gboolean is_idle; gboolean is_idle_inhibited; gboolean is_suspend_inhibited; is_idle = gpm_session_get_idle (idle->priv->session); is_idle_inhibited = gpm_session_get_idle_inhibited (idle->priv->session); is_suspend_inhibited = gpm_session_get_suspend_inhibited (idle->priv->session); egg_debug ("session_idle=%i, idle_inhibited=%i, suspend_inhibited=%i, x_idle=%i", is_idle, is_idle_inhibited, is_suspend_inhibited, idle->priv->x_idle); /* check we are really idle */ if (!idle->priv->x_idle) { gpm_idle_set_mode (idle, GPM_IDLE_MODE_NORMAL); egg_debug ("X not idle"); if (idle->priv->timeout_blank_id != 0) { g_source_remove (idle->priv->timeout_blank_id); idle->priv->timeout_blank_id = 0; } if (idle->priv->timeout_sleep_id != 0) { g_source_remove (idle->priv->timeout_sleep_id); idle->priv->timeout_sleep_id = 0; } goto out; } /* are we inhibited from going idle */ if (is_idle_inhibited) { egg_debug ("inhibited, so using normal state"); gpm_idle_set_mode (idle, GPM_IDLE_MODE_NORMAL); if (idle->priv->timeout_blank_id != 0) { g_source_remove (idle->priv->timeout_blank_id); idle->priv->timeout_blank_id = 0; } if (idle->priv->timeout_sleep_id != 0) { g_source_remove (idle->priv->timeout_sleep_id); idle->priv->timeout_sleep_id = 0; } goto out; } /* normal to dim */ if (idle->priv->mode == GPM_IDLE_MODE_NORMAL) { egg_debug ("normal to dim"); gpm_idle_set_mode (idle, GPM_IDLE_MODE_DIM); } /* set up blank callback even when session is not idle, * but only if we actually want to blank. */ if (idle->priv->timeout_blank_id == 0 && idle->priv->timeout_blank != 0) { egg_debug ("setting up blank callback for %is", idle->priv->timeout_blank); idle->priv->timeout_blank_id = g_timeout_add_seconds (idle->priv->timeout_blank, (GSourceFunc) gpm_idle_blank_cb, idle); } /* are we inhibited from sleeping */ if (is_suspend_inhibited) { egg_debug ("suspend inhibited"); if (idle->priv->timeout_sleep_id != 0) { g_source_remove (idle->priv->timeout_sleep_id); idle->priv->timeout_sleep_id = 0; } } else if (is_idle) { /* only do the sleep timeout when the session is idle and we aren't inhibited from sleeping */ if (idle->priv->timeout_sleep_id == 0 && idle->priv->timeout_sleep != 0) { egg_debug ("setting up sleep callback %is", idle->priv->timeout_sleep); idle->priv->timeout_sleep_id = g_timeout_add_seconds (idle->priv->timeout_sleep, (GSourceFunc) gpm_idle_sleep_cb, idle); } } out: return; } /** * gpm_idle_adjust_timeout_dim: * @idle_time: The new timeout we want to set, in seconds. * @timeout: Current idle time, in seconds. * * On slow machines, or machines that have lots to load duing login, * the current idle time could be bigger than the requested timeout. * In this case the scheduled idle timeout will never fire, unless * some user activity (keyboard, mouse) resets the current idle time. * Instead of relying on user activity to correct this issue, we need * to adjust timeout, as related to current idle time, so the idle * timeout will fire as designed. * * Return value: timeout to set, adjusted acccording to current idle time. **/ static guint gpm_idle_adjust_timeout_dim (guint idle_time, guint timeout) { /* allow 2 sec margin for messaging delay. */ idle_time += 2; /* Double timeout until it's larger than current idle time. * Give up for ultra slow machines. (86400 sec = 24 hours) */ while (timeout < idle_time && timeout < 86400 && timeout > 0) { timeout *= 2; } return timeout; } /** * gpm_idle_set_timeout_dim: * @timeout: The new timeout we want to set, in seconds **/ gboolean gpm_idle_set_timeout_dim (GpmIdle *idle, guint timeout) { gint64 idle_time_in_msec; guint timeout_adjusted; g_return_val_if_fail (GPM_IS_IDLE (idle), FALSE); idle_time_in_msec = egg_idletime_get_time (idle->priv->idletime); timeout_adjusted = gpm_idle_adjust_timeout_dim (idle_time_in_msec / 1000, timeout); egg_debug ("Current idle time=%lldms, timeout was %us, becomes %us after adjustment", (long long int)idle_time_in_msec, timeout, timeout_adjusted); timeout = timeout_adjusted; egg_debug ("Setting dim idle timeout: %ds", timeout); if (idle->priv->timeout_dim != timeout) { idle->priv->timeout_dim = timeout; if (timeout > 0) egg_idletime_alarm_set (idle->priv->idletime, GPM_IDLE_IDLETIME_ID, timeout * 1000); else egg_idletime_alarm_remove (idle->priv->idletime, GPM_IDLE_IDLETIME_ID); } return TRUE; } /** * gpm_idle_set_timeout_blank: * @timeout: The new timeout we want to set, in seconds **/ gboolean gpm_idle_set_timeout_blank (GpmIdle *idle, guint timeout) { g_return_val_if_fail (GPM_IS_IDLE (idle), FALSE); egg_debug ("Setting blank idle timeout: %ds", timeout); if (idle->priv->timeout_blank != timeout) { idle->priv->timeout_blank = timeout; gpm_idle_evaluate (idle); } return TRUE; } /** * gpm_idle_set_timeout_sleep: * @timeout: The new timeout we want to set, in seconds **/ gboolean gpm_idle_set_timeout_sleep (GpmIdle *idle, guint timeout) { g_return_val_if_fail (GPM_IS_IDLE (idle), FALSE); egg_debug ("Setting sleep idle timeout: %ds", timeout); if (idle->priv->timeout_sleep != timeout) { idle->priv->timeout_sleep = timeout; gpm_idle_evaluate (idle); } return TRUE; } /** * gpm_idle_session_idle_changed_cb: * @is_idle: If the session is idle * * The SessionIdleChanged callback from mate-session. **/ static void gpm_idle_session_idle_changed_cb (GpmSession *session, gboolean is_idle, GpmIdle *idle) { egg_debug ("Received mate session idle changed: %i", is_idle); idle->priv->x_idle = is_idle; gpm_idle_evaluate (idle); } /** * gpm_idle_session_inhibited_changed_cb: **/ static void gpm_idle_session_inhibited_changed_cb (GpmSession *session, gboolean is_idle_inhibited, gboolean is_suspend_inhibited, GpmIdle *idle) { egg_debug ("Received mate session inhibited changed: idle=(%i), suspend=(%i)", is_idle_inhibited, is_suspend_inhibited); gpm_idle_evaluate (idle); } /** * gpm_idle_idletime_alarm_expired_cb: * * We're idle, something timed out **/ static void gpm_idle_idletime_alarm_expired_cb (EggIdletime *idletime, guint alarm_id, GpmIdle *idle) { egg_debug ("idletime alarm: %i", alarm_id); /* set again */ idle->priv->x_idle = TRUE; gpm_idle_evaluate (idle); } /** * gpm_idle_idletime_reset_cb: * * We're no longer idle, the user moved **/ static void gpm_idle_idletime_reset_cb (EggIdletime *idletime, GpmIdle *idle) { egg_debug ("idletime reset"); idle->priv->x_idle = FALSE; gpm_idle_evaluate (idle); } /** * gpm_idle_finalize: * @object: This class instance **/ static void gpm_idle_finalize (GObject *object) { GpmIdle *idle; g_return_if_fail (object != NULL); g_return_if_fail (GPM_IS_IDLE (object)); idle = GPM_IDLE (object); g_return_if_fail (idle->priv != NULL); if (idle->priv->timeout_blank_id != 0) g_source_remove (idle->priv->timeout_blank_id); if (idle->priv->timeout_sleep_id != 0) g_source_remove (idle->priv->timeout_sleep_id); g_object_unref (idle->priv->load); g_object_unref (idle->priv->session); egg_idletime_alarm_remove (idle->priv->idletime, GPM_IDLE_IDLETIME_ID); g_object_unref (idle->priv->idletime); G_OBJECT_CLASS (gpm_idle_parent_class)->finalize (object); } /** * gpm_idle_class_init: * @klass: This class instance **/ static void gpm_idle_class_init (GpmIdleClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->finalize = gpm_idle_finalize; signals [IDLE_CHANGED] = g_signal_new ("idle-changed", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GpmIdleClass, idle_changed), NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); g_type_class_add_private (klass, sizeof (GpmIdlePrivate)); } /** * gpm_idle_init: * * Gets a DBUS connection, and aquires the session connection so we can * get session changed events. * **/ static void gpm_idle_init (GpmIdle *idle) { idle->priv = GPM_IDLE_GET_PRIVATE (idle); idle->priv->timeout_dim = G_MAXUINT; idle->priv->timeout_blank = G_MAXUINT; idle->priv->timeout_sleep = G_MAXUINT; idle->priv->timeout_blank_id = 0; idle->priv->timeout_sleep_id = 0; idle->priv->x_idle = FALSE; idle->priv->load = gpm_load_new (); idle->priv->session = gpm_session_new (); g_signal_connect (idle->priv->session, "idle-changed", G_CALLBACK (gpm_idle_session_idle_changed_cb), idle); g_signal_connect (idle->priv->session, "inhibited-changed", G_CALLBACK (gpm_idle_session_inhibited_changed_cb), idle); idle->priv->idletime = egg_idletime_new (); g_signal_connect (idle->priv->idletime, "reset", G_CALLBACK (gpm_idle_idletime_reset_cb), idle); g_signal_connect (idle->priv->idletime, "alarm-expired", G_CALLBACK (gpm_idle_idletime_alarm_expired_cb), idle); gpm_idle_evaluate (idle); } /** * gpm_idle_new: * Return value: A new GpmIdle instance. **/ GpmIdle * gpm_idle_new (void) { if (gpm_idle_object != NULL) { g_object_ref (gpm_idle_object); } else { gpm_idle_object = g_object_new (GPM_TYPE_IDLE, NULL); g_object_add_weak_pointer (gpm_idle_object, &gpm_idle_object); } return GPM_IDLE (gpm_idle_object); } /*************************************************************************** *** MAKE CHECK TESTS *** ***************************************************************************/ #ifdef EGG_TEST #include "egg-test.h" #include "gpm-dpms.h" static GpmIdleMode _mode = 0; static void gpm_idle_test_idle_changed_cb (GpmIdle *idle, GpmIdleMode mode, EggTest *test) { _mode = mode; egg_debug ("idle-changed %s", gpm_idle_mode_to_string (mode)); egg_test_loop_quit (test); } static gboolean gpm_idle_test_delay_cb (EggTest *test) { egg_warning ("timing out"); egg_test_loop_quit (test); return FALSE; } void gpm_idle_test (gpointer data) { GpmIdle *idle; gboolean ret; EggTest *test = (EggTest *) data; GpmIdleMode mode; GpmDpms *dpms; if (!egg_test_start (test, "GpmIdle")) return; /************************************************************/ egg_test_title (test, "get object"); idle = gpm_idle_new (); if (idle != NULL) egg_test_success (test, NULL); else egg_test_failed (test, "got no object"); /* set up defaults */ gpm_idle_set_check_cpu (idle, FALSE); gpm_idle_set_timeout_dim (idle, 4); gpm_idle_set_timeout_blank (idle, 5); gpm_idle_set_timeout_sleep (idle, 15); g_signal_connect (idle, "idle-changed", G_CALLBACK (gpm_idle_test_idle_changed_cb), test); /************************************************************/ egg_test_title (test, "check cpu type"); egg_test_assert (test, (idle->priv->check_type_cpu == FALSE)); /************************************************************/ egg_test_title (test, "check timeout dim"); egg_test_assert (test, (idle->priv->timeout_dim == 4)); /************************************************************/ egg_test_title (test, "check timeout blank"); egg_test_assert (test, (idle->priv->timeout_blank == 5)); /************************************************************/ egg_test_title (test, "check timeout sleep"); egg_test_assert (test, (idle->priv->timeout_sleep == 15)); /************************************************************/ egg_test_title (test, "check x_idle"); egg_test_assert (test, (idle->priv->x_idle == FALSE)); /************************************************************/ egg_test_title (test, "check blank id"); egg_test_assert (test, (idle->priv->timeout_blank_id == 0)); /************************************************************/ egg_test_title (test, "check sleep id"); egg_test_assert (test, (idle->priv->timeout_sleep_id == 0)); /************************************************************/ egg_test_title (test, "check normal at startup"); mode = gpm_idle_get_mode (idle); if (mode == GPM_IDLE_MODE_NORMAL) egg_test_success (test, NULL); else egg_test_failed (test, "mode: %s", gpm_idle_mode_to_string (mode)); /************************************************************/ g_print ("*****************************\n"); g_print ("*** DO NOT MOVE THE MOUSE ***\n"); g_print ("*****************************\n"); egg_test_loop_wait (test, 2000 + 10000); egg_test_loop_check (test); /************************************************************/ egg_test_title (test, "check callback mode"); if (_mode == GPM_IDLE_MODE_DIM) egg_test_success (test, NULL); else egg_test_failed (test, "mode: %s", gpm_idle_mode_to_string (mode)); /************************************************************/ egg_test_title (test, "check current mode"); mode = gpm_idle_get_mode (idle); if (mode == GPM_IDLE_MODE_DIM) egg_test_success (test, NULL); else egg_test_failed (test, "mode: %s", gpm_idle_mode_to_string (mode)); /************************************************************/ egg_test_title (test, "check x_idle"); egg_test_assert (test, (idle->priv->x_idle == TRUE)); /************************************************************/ egg_test_title (test, "check blank id"); egg_test_assert (test, (idle->priv->timeout_blank_id != 0)); /************************************************************/ egg_test_title (test, "check sleep id"); egg_test_assert (test, (idle->priv->timeout_sleep_id == 0)); /************************************************************/ egg_test_loop_wait (test, 5000 + 1000); egg_test_loop_check (test); /************************************************************/ egg_test_title (test, "check callback mode"); if (_mode == GPM_IDLE_MODE_BLANK) egg_test_success (test, NULL); else egg_test_failed (test, "mode: %s", gpm_idle_mode_to_string (mode)); /************************************************************/ egg_test_title (test, "check current mode"); mode = gpm_idle_get_mode (idle); if (mode == GPM_IDLE_MODE_BLANK) egg_test_success (test, NULL); else egg_test_failed (test, "mode: %s", gpm_idle_mode_to_string (mode)); /************************************************************/ g_print ("**********************\n"); g_print ("*** MOVE THE MOUSE ***\n"); g_print ("**********************\n"); egg_test_loop_wait (test, G_MAXUINT); egg_test_loop_check (test); /************************************************************/ egg_test_title (test, "check callback mode"); if (_mode == GPM_IDLE_MODE_NORMAL) egg_test_success (test, NULL); else egg_test_failed (test, "mode: %s", gpm_idle_mode_to_string (mode)); /************************************************************/ egg_test_title (test, "check current mode"); mode = gpm_idle_get_mode (idle); if (mode == GPM_IDLE_MODE_NORMAL) egg_test_success (test, NULL); else egg_test_failed (test, "mode: %s", gpm_idle_mode_to_string (mode)); /************************************************************/ egg_test_title (test, "check x_idle"); egg_test_assert (test, (idle->priv->x_idle == FALSE)); /************************************************************/ egg_test_title (test, "check blank id"); egg_test_assert (test, (idle->priv->timeout_blank_id == 0)); /************************************************************/ g_print ("*****************************\n"); g_print ("*** DO NOT MOVE THE MOUSE ***\n"); g_print ("*****************************\n"); egg_test_loop_wait (test, 4000 + 1500); egg_test_loop_check (test); /************************************************************/ egg_test_title (test, "check current mode"); mode = gpm_idle_get_mode (idle); if (mode == GPM_IDLE_MODE_DIM) egg_test_success (test, NULL); else egg_test_failed (test, "mode: %s", gpm_idle_mode_to_string (mode)); /************************************************************/ egg_test_title (test, "check x_idle"); egg_test_assert (test, (idle->priv->x_idle == TRUE)); egg_test_loop_wait (test, 15000); egg_test_loop_check (test); /************************************************************/ egg_test_title (test, "check current mode"); mode = gpm_idle_get_mode (idle); if (mode == GPM_IDLE_MODE_BLANK) egg_test_success (test, NULL); else egg_test_failed (test, "mode: %s", gpm_idle_mode_to_string (mode)); /************************************************************/ egg_test_title (test, "set dpms off"); dpms = gpm_dpms_new (); ret = gpm_dpms_set_mode (dpms, GPM_DPMS_MODE_OFF, NULL); egg_test_assert (test, ret); /* wait for normal event to be suppressed */ g_timeout_add (2000, (GSourceFunc) gpm_idle_test_delay_cb, test); egg_test_loop_wait (test, G_MAXUINT); egg_test_loop_check (test); /************************************************************/ egg_test_title (test, "check current mode"); mode = gpm_idle_get_mode (idle); if (mode == GPM_IDLE_MODE_BLANK) egg_test_success (test, NULL); else egg_test_failed (test, "mode: %s", gpm_idle_mode_to_string (mode)); /************************************************************/ egg_test_title (test, "check x_idle"); egg_test_assert (test, (idle->priv->x_idle == TRUE)); gpm_dpms_set_mode (dpms, GPM_DPMS_MODE_ON, NULL); g_object_unref (idle); g_object_unref (dpms); egg_test_end (test); } #endif