mate-dmi: add new api to get dmi infodev-dmi

5 files changed, 253 insertions, 1 deletions

diff --git a/libmate-desktop/Makefile.am b/libmate-desktop/Makefile.am
index 44b8b9b..726841c 100644
--- a/libmate-desktop/Makefile.am
+++ b/libmate-desktop/Makefile.am
@@ -4,6 +4,7 @@ libmate_desktop_HEADERS = \
 	mate-desktop-utils.h \
 	mate-desktop-item.h \
 	mate-dconf.h \
+	mate-dmi.h \
 	mate-gsettings.h \
 	mate-bg.h			\
 	mate-bg-crossfade.h		\
@@ -32,7 +33,7 @@ AM_CPPFLAGS =							\
 
 AM_CFLAGS = $(WARN_CFLAGS)
 
-noinst_PROGRAMS = test-desktop-thumbnail test-ditem test test-languages test-image-menu-item
+noinst_PROGRAMS = test-desktop-thumbnail test-ditem test test-languages test-image-menu-item test-dmi
 
 CLEANFILES =
 
@@ -40,6 +41,7 @@ introspection_sources = \
 	mate-desktop-utils.c	\
 	mate-desktop-thumbnail.c \
 	mate-dconf.c \
+	mate-dmi.c \
 	mate-gsettings.c \
 	mate-bg.c		\
 	mate-bg-crossfade.c	\
@@ -106,6 +108,12 @@ test_image_menu_item_LDADD = \
 	libmate-desktop-2.la		\
 	$(MATE_DESKTOP_LIBS)
 
+test_dmi_SOURCES = test-dmi.c
+
+test_dmi_LDADD = \
+	libmate-desktop-2.la		\
+	$(MATE_DESKTOP_LIBS)
+
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = mate-desktop-2.0.pc
 
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);
+}
diff --git a/libmate-desktop/mate-dmi.h b/libmate-desktop/mate-dmi.h
new file mode 100644
index 0000000..e5b6ea2
--- /dev/null
+++ b/libmate-desktop/mate-dmi.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2009-2010 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.
+ */
+
+#ifndef __MATE_DMI_H
+#define __MATE_DMI_H
+
+#ifndef MATE_DESKTOP_USE_UNSTABLE_API
+#error    This is unstable API. You must define MATE_DESKTOP_USE_UNSTABLE_API before including mate-dmi.h
+#endif
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define MATE_TYPE_DMI            (mate_dmi_get_type ())
+G_DECLARE_FINAL_TYPE (MateDmi, mate_dmi, MATE, DMI, GObject)
+
+MateDmi      *mate_dmi_new                 (void);
+
+const gchar  *mate_dmi_get_name       (MateDmi *dmi);
+const gchar  *mate_dmi_get_vendor     (MateDmi *dmi);
+const gchar  *mate_dmi_get_version    (MateDmi *dmi);
+
+G_END_DECLS
+
+#endif /* __MATE_DMI_H */
diff --git a/libmate-desktop/meson.build b/libmate-desktop/meson.build
index b11f242..f0e3ec8 100644
--- a/libmate-desktop/meson.build
+++ b/libmate-desktop/meson.build
@@ -5,6 +5,7 @@ headers = files(
   'mate-desktop-utils.h',
   'mate-desktop-item.h',
   'mate-dconf.h',
+  'mate-dmi.h',
   'mate-gsettings.h',
   'mate-bg.h',
   'mate-bg-crossfade.h',
@@ -30,6 +31,7 @@ sources = files(
   'mate-desktop-utils.c',
   'mate-desktop-thumbnail.c',
   'mate-dconf.c',
+  'mate-dmi.c',
   'mate-gsettings.c',
   'mate-bg.c',
   'mate-bg-crossfade.c',
@@ -168,3 +170,9 @@ test_image_menu_item = executable('test-image-menu-item',
   dependencies : libmate_desktop_dep,
   install : false,
 )
+
+test_dmi = executable('test-dmi',
+  sources : 'test-dmi.c',
+  dependencies : libmate_desktop_dep,
+  install : false,
+)
diff --git a/libmate-desktop/test-dmi.c b/libmate-desktop/test-dmi.c
new file mode 100644
index 0000000..96ce299
--- /dev/null
+++ b/libmate-desktop/test-dmi.c
@@ -0,0 +1,30 @@
+/* vi: set sw=4 ts=4 wrap ai: */
+/*
+ * 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 <stdio.h>
+#define MATE_DESKTOP_USE_UNSTABLE_API
+#include "mate-dmi.h"
+
+int main(int argc, char **argv)
+{
+    MateDmi *dmi;
+    dmi = mate_dmi_new ();
+    printf("dmi name: %s\n", mate_dmi_get_name (dmi));
+    printf("dmi version: %s\n", mate_dmi_get_version (dmi));
+    printf("dmi vendor: %s\n", mate_dmi_get_vendor (dmi));
+    return 0;
+}