Initial TaskManager class and make room for Swap

Added the TaskManager class to hold system information and tasks. Currently it provides username and hostname based on POSIX functions. The Swap is now part of the system information and is being displayed in the statusbar.
2010-04-30 15:28:57 +02:00
parent fdaf8b1b49
commit 9a49bf015a
7 changed files with 232 additions and 48 deletions
--- a/src/task-manager.c
+++ b/src/task-manager.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2010 Mike Massonnet, <mmassonnet@xfce.org>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <pwd.h>
+
+#include <glib-object.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include "task-manager.h"
+
+
+
+typedef struct _XtmTaskManagerClass XtmTaskManagerClass;
+struct _XtmTaskManagerClass
+{
+	GObjectClass		parent_class;
+};
+struct _XtmTaskManager
+{
+	GObject			parent;
+	/*<private>*/
+	GArray *		tasks;
+	guint			owner_uid;
+	gchar *			owner_uid_name;
+	gchar *			hostname;
+	gushort			cpu_count;
+	gushort			cpu_user;
+	gushort			cpu_system;
+	guint64			memory_total;
+	guint64			memory_free;
+	guint64			memory_cache;
+	guint64			memory_buffers;
+	guint64			swap_total;
+	guint64			swap_free;
+};
+G_DEFINE_TYPE (XtmTaskManager, xtm_task_manager, G_TYPE_OBJECT)
+
+static void	xtm_task_manager_finalize			(GObject *object);
+
+static void	get_owner_uid					(guint *owner_uid, gchar **owner_uid_name);
+static gchar *	get_hostname					();
+
+
+
+static void
+xtm_task_manager_class_init (XtmTaskManagerClass *klass)
+{
+	GObjectClass *class = G_OBJECT_CLASS (klass);
+	xtm_task_manager_parent_class = g_type_class_peek_parent (klass);
+	class->finalize = xtm_task_manager_finalize;
+}
+
+static void
+xtm_task_manager_init (XtmTaskManager *manager)
+{
+	get_owner_uid (&(manager->owner_uid), &(manager->owner_uid_name));
+	manager->hostname = get_hostname ();
+}
+
+static void
+xtm_task_manager_finalize (GObject *object)
+{
+	XtmTaskManager *manager = XTM_TASK_MANAGER (object);
+	g_free (manager->owner_uid_name);
+	g_free (manager->hostname);
+}
+
+static void
+get_owner_uid (guint *owner_uid, gchar **owner_uid_name)
+{
+	uid_t uid;
+	struct passwd *pw;
+	gchar *username = NULL;
+
+	uid = getuid ();
+	pw = getpwuid (uid);
+
+	username = g_strdup ((pw != NULL) ? pw->pw_name : "nobody");
+
+	*owner_uid = (guint) uid;
+	*owner_uid_name = username;
+}
+
+static gchar *
+get_hostname ()
+{
+#ifndef HOST_NAME_MAX
+#define HOST_NAME_MAX 255
+#endif
+	char hostname[HOST_NAME_MAX];
+	if (gethostname (hostname, HOST_NAME_MAX))
+		return g_strdup ("(unknown)");
+	return g_strdup_printf ("%s", hostname);
+}
+
+
+
+XtmTaskManager *
+xtm_task_manager_new ()
+{
+	return g_object_new (XTM_TYPE_TASK_MANAGER, NULL);
+}
+
+const gchar *
+xtm_task_manager_get_username (XtmTaskManager *manager)
+{
+	g_return_val_if_fail (G_LIKELY (XTM_IS_TASK_MANAGER (manager)), NULL);
+	return manager->owner_uid_name;
+}
+
+const gchar *
+xtm_task_manager_get_hostname (XtmTaskManager *manager)
+{
+	g_return_val_if_fail (G_LIKELY (XTM_IS_TASK_MANAGER (manager)), NULL);
+	return manager->hostname;
+}
+
+GArray *
+xtm_task_manager_get_tasklist (XtmTaskManager *manager)
+{
+}
+
+void
+xtm_task_manager_get_system_info (XtmTaskManager *manager, guint *num_processes, gushort *cpu, gushort *memory, gushort *swap)
+{
+}
+
+void
+xtm_task_manager_send_signal_to_pid (XtmTaskManager *manager)
+{
+}
+
+void
+xtm_task_manager_set_priority_to_pid (XtmTaskManager *manager)
+{
+}
+