diff options
Diffstat (limited to 'libmate-desktop/mate-dmi.c')
| -rw-r--r-- | libmate-desktop/mate-dmi.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/libmate-desktop/mate-dmi.c b/libmate-desktop/mate-dmi.c new file mode 100644 index 0000000..085620f --- /dev/null +++ b/libmate-desktop/mate-dmi.c @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2009-2011 Richard Hughes <[email protected]> + * + * 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. + */ + +#define MATE_DESKTOP_USE_UNSTABLE_API + +#include <glib-object.h> +#include <math.h> +#include <string.h> +#include <gio/gio.h> +#include <stdlib.h> + +#include "mate-dmi.h" + +static void mate_dmi_finalize (GObject *object); + +struct _MateDmi +{ + GObject parent; + gchar *name; + gchar *version; + gchar *vendor; +}; + +static gpointer mate_dmi_object = NULL; + +G_DEFINE_TYPE (MateDmi, mate_dmi, G_TYPE_OBJECT) + +static gchar * mate_dmi_get_from_filename (const gchar *filename) +{ + gboolean ret; + GError *error = NULL; + gchar *data = NULL; + + /* get the contents */ + ret = g_file_get_contents (filename, &data, NULL, &error); + if (!ret) { + if (!g_error_matches (error, G_FILE_ERROR, G_FILE_ERROR_NOENT)) + g_warning ("failed to get contents of %s: %s", filename, error->message); + g_error_free (error); + } + + /* process the random chars and trailing spaces */ + if (data != NULL) { + g_strdelimit (data, "\t_", ' '); + g_strdelimit (data, "\n\r", '\0'); + g_strchomp (data); + } + + /* don't return an empty string */ + if (data != NULL && data[0] == '\0') { + g_free (data); + data = NULL; + } + + return data; +} + +static gchar * mate_dmi_get_from_filenames (const gchar * const * filenames) +{ + guint i; + gchar *tmp = NULL; + + /* try each one in preference order */ + for (i = 0; filenames[i] != NULL; i++) { + tmp = mate_dmi_get_from_filename (filenames[i]); + if (tmp != NULL) + break; + } + return tmp; +} + +const gchar * mate_dmi_get_name (MateDmi *dmi) +{ + g_return_val_if_fail (MATE_IS_DMI (dmi), NULL); + return dmi->name; +} + +const gchar * mate_dmi_get_version (MateDmi *dmi) +{ + g_return_val_if_fail (MATE_IS_DMI (dmi), NULL); + return dmi->version; +} + +const gchar * mate_dmi_get_vendor (MateDmi *dmi) +{ + g_return_val_if_fail (MATE_IS_DMI (dmi), NULL); + return dmi->vendor; +} + +static void mate_dmi_class_init (MateDmiClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + object_class->finalize = mate_dmi_finalize; +} + +static void mate_dmi_init (MateDmi *dmi) +{ +#if defined(__linux__) + const gchar *sysfs_name[] = { + "/sys/class/dmi/id/product_name", + "/sys/class/dmi/id/board_name", + NULL}; + const gchar *sysfs_version[] = { + "/sys/class/dmi/id/product_version", + "/sys/class/dmi/id/chassis_version", + "/sys/class/dmi/id/board_version", + NULL}; + const gchar *sysfs_vendor[] = { + "/sys/class/dmi/id/sys_vendor", + "/sys/class/dmi/id/chassis_vendor", + "/sys/class/dmi/id/board_vendor", + NULL}; +#else +#warning Please add dmi support for your OS + const gchar *sysfs_name[] = { NULL }; + const gchar *sysfs_version[] = { NULL }; + const gchar *sysfs_vendor[] = { NULL }; +#endif + + /* get all the possible data now */ + dmi->name = mate_dmi_get_from_filenames (sysfs_name); + dmi->version = mate_dmi_get_from_filenames (sysfs_version); + dmi->vendor = mate_dmi_get_from_filenames (sysfs_vendor); +} + +static void mate_dmi_finalize (GObject *object) +{ + MateDmi *dmi = MATE_DMI (object); + + g_free (dmi->name); + g_free (dmi->version); + g_free (dmi->vendor); + + G_OBJECT_CLASS (mate_dmi_parent_class)->finalize (object); +} + +MateDmi* mate_dmi_new (void) +{ + if (mate_dmi_object != NULL) { + g_object_ref (mate_dmi_object); + } else { + mate_dmi_object = g_object_new (MATE_TYPE_DMI, NULL); + g_object_add_weak_pointer (mate_dmi_object, &mate_dmi_object); + } + return MATE_DMI (mate_dmi_object); +} |