core: add NULL session monitor

Allows all access; used when neither ConsoleKit or systemd are selected.
2012-02-01 15:58:40 -06:00
parent e133405a29
commit 20035ad443
1 changed files with 169 additions and 0 deletions
--- a/src/nm-session-monitor-null.c
+++ b/src/nm-session-monitor-null.c
@@ -0,0 +1,169 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* 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.
+ *
+ * (C) Copyright 2008 - 2010 Red Hat, Inc.
+ * Author: David Zeuthen <davidz@redhat.com>
+ * Author: Dan Williams <dcbw@redhat.com>
+ */
+
+#include "config.h"
+#include <string.h>
+#include "nm-logging.h"
+
+#include "nm-session-utils.h"
+#include "nm-session-monitor.h"
+
+/* <internal>
+ * SECTION:nm-session-monitor
+ * @title: NMSessionMonitor
+ * @short_description: Monitor sessions
+ *
+ * The #NMSessionMonitor class is a utility class to track and monitor sessions.
+ */
+
+struct _NMSessionMonitor {
+	GObject parent_instance;
+};
+
+struct _NMSessionMonitorClass {
+	GObjectClass parent_class;
+
+	void (*changed) (NMSessionMonitor *monitor);
+};
+
+
+enum {
+	CHANGED,
+	LAST_SIGNAL,
+};
+static guint signals[LAST_SIGNAL] = {0};
+
+G_DEFINE_TYPE (NMSessionMonitor, nm_session_monitor, G_TYPE_OBJECT);
+
+/********************************************************************/
+
+static void
+nm_session_monitor_init (NMSessionMonitor *self)
+{
+}
+
+static void
+nm_session_monitor_class_init (NMSessionMonitorClass *klass)
+{
+	/**
+	 * NMSessionMonitor::changed:
+	 * @monitor: A #NMSessionMonitor
+	 *
+	 * Emitted when something changes.
+	 */
+	signals[CHANGED] = g_signal_new (NM_SESSION_MONITOR_CHANGED,
+	                                 NM_TYPE_SESSION_MONITOR,
+	                                 G_SIGNAL_RUN_LAST,
+	                                 0, NULL, NULL,
+	                                 g_cclosure_marshal_VOID__VOID,
+	                                 G_TYPE_NONE, 0);
+}
+
+NMSessionMonitor *
+nm_session_monitor_get (void)
+{
+	static NMSessionMonitor *singleton = NULL;
+
+	if (singleton)
+		return g_object_ref (singleton);
+
+	return NM_SESSION_MONITOR (g_object_new (NM_TYPE_SESSION_MONITOR, NULL));
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+/**
+ * nm_session_monitor_user_has_session:
+ * @monitor: A #NMSessionMonitor.
+ * @username: A username.
+ * @error: Return location for error.
+ *
+ * Checks whether the given @username is logged into a session or not.
+ *
+ * Returns: %FALSE if @error is set otherwise %TRUE if the given @username is
+ * currently logged into a session.
+ */
+gboolean
+nm_session_monitor_user_has_session (NMSessionMonitor *monitor,
+                                     const char *username,
+                                     uid_t *out_uid,
+                                     GError **error)
+{
+	return nm_session_user_to_uid (username, out_uid, error);
+}
+
+/**
+ * nm_session_monitor_uid_has_session:
+ * @monitor: A #NMSessionMonitor.
+ * @uid: A user ID.
+ * @error: Return location for error.
+ *
+ * Checks whether the given @uid is logged into a session or not.
+ *
+ * Returns: %FALSE if @error is set otherwise %TRUE if the given @uid is
+ * currently logged into a session.
+ */
+gboolean
+nm_session_monitor_uid_has_session (NMSessionMonitor *monitor,
+                                    uid_t uid,
+                                    const char **out_user,
+                                    GError **error)
+{
+	return nm_session_uid_to_user (uid, out_user, error);
+}
+
+/**
+ * nm_session_monitor_user_active:
+ * @monitor: A #NMSessionMonitor.
+ * @username: A username.
+ * @error: Return location for error.
+ *
+ * Checks whether the given @username is logged into a active session or not.
+ *
+ * Returns: %FALSE if @error is set otherwise %TRUE if the given @username is
+ * logged into an active session.
+ */
+gboolean
+nm_session_monitor_user_active (NMSessionMonitor *monitor,
+                                const char *username,
+                                GError **error)
+{
+	return TRUE;
+}
+
+/**
+ * nm_session_monitor_uid_active:
+ * @monitor: A #NMSessionMonitor.
+ * @uid: A user ID.
+ * @error: Return location for error.
+ *
+ * Checks whether the given @uid is logged into a active session or not.
+ *
+ * Returns: %FALSE if @error is set otherwise %TRUE if the given @uid is
+ * logged into an active session.
+ */
+gboolean
+nm_session_monitor_uid_active (NMSessionMonitor *monitor,
+                               uid_t uid,
+                               GError **error)
+{
+	return TRUE;
+}
+