gnome-control-center/panels/info-overview/cc-info-overview-panel.c
2019-09-25 13:50:28 +00:00

713 lines
21 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2017 Mohammed Sadiq <sadiq@sadiqpk.org>
* Copyright (C) 2010 Red Hat, Inc
* Copyright (C) 2008 William Jon McCann <jmccann@redhat.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
#include <config.h>
#include "cc-hostname-entry.h"
#include "cc-os-release.h"
#include "cc-info-overview-resources.h"
#include "info-cleanup.h"
#include <glib.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <gio/gunixmounts.h>
#include <gio/gdesktopappinfo.h>
#include <glibtop/fsusage.h>
#include <glibtop/mountlist.h>
#include <glibtop/mem.h>
#include <glibtop/sysinfo.h>
#include <udisks/udisks.h>
#include <gdk/gdk.h>
#ifdef GDK_WINDOWING_WAYLAND
#include <gdk/gdkwayland.h>
#endif
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif
#include "cc-info-overview-panel.h"
typedef struct
{
GtkLabel *disk_label;
GtkLabel *graphics_label;
GtkLabel *memory_label;
GtkLabel *name_entry;
GtkLabel *os_name_label;
GtkLabel *os_type_label;
GtkLabel *processor_label;
GtkButton *updates_button;
GtkLabel *version_label;
GtkLabel *virt_type_label;
GtkLabel *virt_type_title_label;
} CcInfoOverviewPanelPrivate;
struct _CcInfoOverviewPanel
{
CcPanel parent_instance;
/*< private >*/
CcInfoOverviewPanelPrivate *priv;
};
typedef struct
{
char *major;
char *minor;
char *micro;
char *distributor;
char *date;
char **current;
} VersionData;
static void
version_data_free (VersionData *data)
{
g_free (data->major);
g_free (data->minor);
g_free (data->micro);
g_free (data->distributor);
g_free (data->date);
g_free (data);
}
G_DEFINE_AUTOPTR_CLEANUP_FUNC (VersionData, version_data_free);
G_DEFINE_TYPE_WITH_PRIVATE (CcInfoOverviewPanel, cc_info_overview_panel, CC_TYPE_PANEL)
static void
version_start_element_handler (GMarkupParseContext *ctx,
const char *element_name,
const char **attr_names,
const char **attr_values,
gpointer user_data,
GError **error)
{
VersionData *data = user_data;
if (g_str_equal (element_name, "platform"))
data->current = &data->major;
else if (g_str_equal (element_name, "minor"))
data->current = &data->minor;
else if (g_str_equal (element_name, "micro"))
data->current = &data->micro;
else if (g_str_equal (element_name, "distributor"))
data->current = &data->distributor;
else if (g_str_equal (element_name, "date"))
data->current = &data->date;
else
data->current = NULL;
}
static void
version_end_element_handler (GMarkupParseContext *ctx,
const char *element_name,
gpointer user_data,
GError **error)
{
VersionData *data = user_data;
data->current = NULL;
}
static void
version_text_handler (GMarkupParseContext *ctx,
const char *text,
gsize text_len,
gpointer user_data,
GError **error)
{
VersionData *data = user_data;
if (data->current != NULL)
{
g_autofree char *stripped = NULL;
stripped = g_strstrip (g_strdup (text));
g_free (*data->current);
*data->current = g_strdup (stripped);
}
}
static gboolean
load_gnome_version (char **version,
char **distributor,
char **date)
{
GMarkupParser version_parser = {
version_start_element_handler,
version_end_element_handler,
version_text_handler,
NULL,
NULL,
};
g_autoptr(GError) error = NULL;
g_autoptr(GMarkupParseContext) ctx = NULL;
g_autofree char *contents = NULL;
gsize length;
g_autoptr(VersionData) data = NULL;
if (!g_file_get_contents (DATADIR "/gnome/gnome-version.xml",
&contents,
&length,
&error))
return FALSE;
data = g_new0 (VersionData, 1);
ctx = g_markup_parse_context_new (&version_parser, 0, data, NULL);
if (!g_markup_parse_context_parse (ctx, contents, length, &error))
{
g_warning ("Invalid version file: '%s'", error->message);
}
else
{
if (version != NULL)
*version = g_strdup_printf ("%s.%s.%s", data->major, data->minor, data->micro);
if (distributor != NULL)
*distributor = g_strdup (data->distributor);
if (date != NULL)
*date = g_strdup (data->date);
return TRUE;
}
return FALSE;
};
static char *
get_renderer_from_session (void)
{
g_autoptr(GDBusProxy) session_proxy = NULL;
g_autoptr(GVariant) renderer_variant = NULL;
char *renderer;
g_autoptr(GError) error = NULL;
session_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.gnome.SessionManager",
"/org/gnome/SessionManager",
"org.gnome.SessionManager",
NULL, &error);
if (error != NULL)
{
g_warning ("Unable to connect to create a proxy for org.gnome.SessionManager: %s",
error->message);
return NULL;
}
renderer_variant = g_dbus_proxy_get_cached_property (session_proxy, "Renderer");
if (!renderer_variant)
{
g_warning ("Unable to retrieve org.gnome.SessionManager.Renderer property");
return NULL;
}
renderer = info_cleanup (g_variant_get_string (renderer_variant, NULL));
return renderer;
}
static char *
get_renderer_from_helper (gboolean discrete_gpu)
{
int status;
char *argv[] = { GNOME_SESSION_DIR "/gnome-session-check-accelerated", NULL };
g_auto(GStrv) envp = NULL;
g_autofree char *renderer = NULL;
g_autoptr(GError) error = NULL;
if (discrete_gpu)
{
envp = g_get_environ ();
envp = g_environ_setenv (envp, "DRI_PRIME", "1", TRUE);
}
if (!g_spawn_sync (NULL, (char **) argv, envp, 0, NULL, NULL, &renderer, NULL, &status, &error))
{
g_debug ("Failed to get %s GPU: %s",
discrete_gpu ? "discrete" : "integrated",
error->message);
return NULL;
}
if (!g_spawn_check_exit_status (status, NULL))
return NULL;
if (renderer == NULL || *renderer == '\0')
return NULL;
return info_cleanup (renderer);
}
static gboolean
has_dual_gpu (void)
{
g_autoptr(GDBusProxy) switcheroo_proxy = NULL;
g_autoptr(GVariant) dualgpu_variant = NULL;
gboolean ret;
g_autoptr(GError) error = NULL;
switcheroo_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"net.hadess.SwitcherooControl",
"/net/hadess/SwitcherooControl",
"net.hadess.SwitcherooControl",
NULL, &error);
if (switcheroo_proxy == NULL)
{
g_debug ("Unable to connect to create a proxy for net.hadess.SwitcherooControl: %s",
error->message);
return FALSE;
}
dualgpu_variant = g_dbus_proxy_get_cached_property (switcheroo_proxy, "HasDualGpu");
if (!dualgpu_variant)
{
g_debug ("Unable to retrieve net.hadess.SwitcherooControl.HasDualGpu property, the daemon is likely not running");
return FALSE;
}
ret = g_variant_get_boolean (dualgpu_variant);
if (ret)
g_debug ("Dual-GPU machine detected");
return ret;
}
static gchar *
get_graphics_hardware_string (void)
{
GdkDisplay *display;
display = gdk_display_get_default ();
#if defined(GDK_WINDOWING_X11) || defined(GDK_WINDOWING_WAYLAND)
gboolean x11_or_wayland = FALSE;
#ifdef GDK_WINDOWING_X11
x11_or_wayland = GDK_IS_X11_DISPLAY (display);
#endif
#ifdef GDK_WINDOWING_WAYLAND
x11_or_wayland = x11_or_wayland || GDK_IS_WAYLAND_DISPLAY (display);
#endif
if (x11_or_wayland)
{
g_autofree char *discrete_renderer = NULL;
g_autofree char *renderer = NULL;
renderer = get_renderer_from_session ();
if (!renderer)
renderer = get_renderer_from_helper (FALSE);
if (has_dual_gpu ())
discrete_renderer = get_renderer_from_helper (TRUE);
if (renderer != NULL)
{
if (discrete_renderer != NULL)
return g_strdup_printf ("%s / %s",
renderer,
discrete_renderer);
return g_strdup (renderer);
}
}
#endif
return g_strdup (_("Unknown"));
}
static char *
get_os_name (void)
{
g_autoptr(GHashTable) os_info = NULL;
const gchar *name, *version_id, *pretty_name, *build_id;
gchar *result = NULL;
g_autofree gchar *name_version = NULL;
os_info = cc_os_release_get_values ();
if (!os_info)
return g_strdup (_("Unknown"));
name = g_hash_table_lookup (os_info, "NAME");
version_id = g_hash_table_lookup (os_info, "VERSION_ID");
pretty_name = g_hash_table_lookup (os_info, "PRETTY_NAME");
build_id = g_hash_table_lookup (os_info, "BUILD_ID");
if (pretty_name)
name_version = g_strdup (pretty_name);
else if (name && version_id)
name_version = g_strdup_printf ("%s %s", name, version_id);
else
name_version = g_strdup (_("Unknown"));
if (build_id)
{
/* translators: This is the name of the OS, followed by the build ID, for
* example:
* "Fedora 25 (Workstation Edition); Build ID: xyz" or
* "Ubuntu 16.04 LTS; Build ID: jki" */
result = g_strdup_printf (_("%s; Build ID: %s"), name_version, build_id);
}
else
{
result = g_strdup (name_version);
}
return result;
}
static char *
get_os_type (void)
{
if (GLIB_SIZEOF_VOID_P == 8)
/* translators: This is the type of architecture for the OS */
return g_strdup_printf (_("64-bit"));
else
/* translators: This is the type of architecture for the OS */
return g_strdup_printf (_("32-bit"));
}
static void
get_primary_disc_info (CcInfoOverviewPanel *self)
{
CcInfoOverviewPanelPrivate *priv;
g_autoptr(UDisksClient) client = NULL;
GDBusObjectManager *manager;
g_autolist(GDBusObject) objects = NULL;
GList *l;
guint64 total_size;
g_autoptr(GError) error = NULL;
priv = cc_info_overview_panel_get_instance_private (self);
total_size = 0;
client = udisks_client_new_sync (NULL, &error);
if (client == NULL)
{
g_warning ("Unable to get UDisks client: %s. Disk information will not be available.",
error->message);
gtk_label_set_text (priv->disk_label, _("Unknown"));
return;
}
manager = udisks_client_get_object_manager (client);
objects = g_dbus_object_manager_get_objects (manager);
for (l = objects; l != NULL; l = l->next)
{
UDisksDrive *drive;
drive = udisks_object_peek_drive (UDISKS_OBJECT (l->data));
/* Skip removable devices */
if (drive == NULL ||
udisks_drive_get_removable (drive) ||
udisks_drive_get_ejectable (drive))
{
continue;
}
total_size += udisks_drive_get_size (drive);
}
if (total_size > 0)
{
g_autofree gchar *size = g_format_size (total_size);
gtk_label_set_text (priv->disk_label, size);
}
else
{
gtk_label_set_text (priv->disk_label, _("Unknown"));
}
}
static char *
get_cpu_info (const glibtop_sysinfo *info)
{
g_autoptr(GHashTable) counts = NULL;
g_autoptr(GString) cpu = NULL;
GHashTableIter iter;
gpointer key, value;
int i;
int j;
counts = g_hash_table_new (g_str_hash, g_str_equal);
/* count duplicates */
for (i = 0; i != info->ncpu; ++i)
{
const char * const keys[] = { "model name", "cpu", "Processor" };
char *model;
int *count;
model = NULL;
for (j = 0; model == NULL && j != G_N_ELEMENTS (keys); ++j)
{
model = g_hash_table_lookup (info->cpuinfo[i].values,
keys[j]);
}
if (model == NULL)
continue;
count = g_hash_table_lookup (counts, model);
if (count == NULL)
g_hash_table_insert (counts, model, GINT_TO_POINTER (1));
else
g_hash_table_replace (counts, model, GINT_TO_POINTER (GPOINTER_TO_INT (count) + 1));
}
cpu = g_string_new (NULL);
g_hash_table_iter_init (&iter, counts);
while (g_hash_table_iter_next (&iter, &key, &value))
{
g_autofree char *cleanedup = NULL;
int count;
count = GPOINTER_TO_INT (value);
cleanedup = info_cleanup ((const char *) key);
if (count > 1)
g_string_append_printf (cpu, "%s \303\227 %d ", cleanedup, count);
else
g_string_append_printf (cpu, "%s ", cleanedup);
}
return g_strdup (cpu->str);
}
static struct {
const char *id;
const char *display;
} const virt_tech[] = {
{ "kvm", "KVM" },
{ "qemu", "QEmu" },
{ "vmware", "VMware" },
{ "microsoft", "Microsoft" },
{ "oracle", "Oracle" },
{ "xen", "Xen" },
{ "bochs", "Bochs" },
{ "chroot", "chroot" },
{ "openvz", "OpenVZ" },
{ "lxc", "LXC" },
{ "lxc-libvirt", "LXC (libvirt)" },
{ "systemd-nspawn", "systemd (nspawn)" }
};
static void
set_virtualization_label (CcInfoOverviewPanel *self,
const char *virt)
{
const char *display_name;
CcInfoOverviewPanelPrivate *priv = cc_info_overview_panel_get_instance_private (self);
guint i;
if (virt == NULL || *virt == '\0')
{
gtk_widget_hide (GTK_WIDGET (priv->virt_type_label));
gtk_widget_hide (GTK_WIDGET (priv->virt_type_title_label));
return;
}
display_name = NULL;
for (i = 0; i < G_N_ELEMENTS (virt_tech); i++)
{
if (g_str_equal (virt_tech[i].id, virt))
{
display_name = _(virt_tech[i].display);
break;
}
}
gtk_label_set_text (priv->virt_type_label, display_name ? display_name : virt);
}
static void
info_overview_panel_setup_virt (CcInfoOverviewPanel *self)
{
g_autoptr(GError) error = NULL;
g_autoptr(GDBusProxy) systemd_proxy = NULL;
g_autoptr(GVariant) variant = NULL;
GVariant *inner;
systemd_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.systemd1",
NULL,
&error);
if (systemd_proxy == NULL)
{
g_debug ("systemd not available, bailing: %s", error->message);
set_virtualization_label (self, NULL);
return;
}
variant = g_dbus_proxy_call_sync (systemd_proxy,
"org.freedesktop.DBus.Properties.Get",
g_variant_new ("(ss)", "org.freedesktop.systemd1.Manager", "Virtualization"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
if (variant == NULL)
{
g_debug ("Failed to get property '%s': %s", "Virtualization", error->message);
set_virtualization_label (self, NULL);
return;
}
g_variant_get (variant, "(v)", &inner);
set_virtualization_label (self, g_variant_get_string (inner, NULL));
}
static void
info_overview_panel_setup_overview (CcInfoOverviewPanel *self)
{
g_autofree gchar *gnome_version = NULL;
glibtop_mem mem;
const glibtop_sysinfo *info;
g_autofree char *memory_text = NULL;
g_autofree char *cpu_text = NULL;
g_autofree char *os_type_text = NULL;
g_autofree char *os_name_text = NULL;
g_autofree gchar *graphics_hardware_string = NULL;
CcInfoOverviewPanelPrivate *priv = cc_info_overview_panel_get_instance_private (self);
if (load_gnome_version (&gnome_version, NULL, NULL))
{
g_autofree gchar *text = NULL;
text = g_strdup_printf (_("Version %s"), gnome_version);
gtk_label_set_text (priv->version_label, text);
}
glibtop_get_mem (&mem);
memory_text = g_format_size_full (mem.total, G_FORMAT_SIZE_IEC_UNITS);
gtk_label_set_text (priv->memory_label, memory_text ? memory_text : "");
info = glibtop_get_sysinfo ();
cpu_text = get_cpu_info (info);
gtk_label_set_markup (priv->processor_label, cpu_text ? cpu_text : "");
os_type_text = get_os_type ();
gtk_label_set_text (priv->os_type_label, os_type_text ? os_type_text : "");
os_name_text = get_os_name ();
gtk_label_set_text (priv->os_name_label, os_name_text ? os_name_text : "");
get_primary_disc_info (self);
graphics_hardware_string = get_graphics_hardware_string ();
gtk_label_set_markup (priv->graphics_label, graphics_hardware_string);
}
static gboolean
does_gnome_software_exist (void)
{
return g_file_test (BINDIR "/gnome-software", G_FILE_TEST_EXISTS);
}
static gboolean
does_gpk_update_viewer_exist (void)
{
return g_file_test (BINDIR "/gpk-update-viewer", G_FILE_TEST_EXISTS);
}
static void
on_updates_button_clicked (CcInfoOverviewPanel *self)
{
g_autoptr(GError) error = NULL;
gboolean ret;
g_auto(GStrv) argv = NULL;
argv = g_new0 (gchar *, 3);
if (does_gnome_software_exist ())
{
argv[0] = g_build_filename (BINDIR, "gnome-software", NULL);
argv[1] = g_strdup_printf ("--mode=updates");
}
else
{
argv[0] = g_build_filename (BINDIR, "gpk-update-viewer", NULL);
}
ret = g_spawn_async (NULL, argv, NULL, 0, NULL, NULL, NULL, &error);
if (!ret)
g_warning ("Failed to spawn %s: %s", argv[0], error->message);
}
static void
cc_info_overview_panel_class_init (CcInfoOverviewPanelClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/info-overview/cc-info-overview-panel.ui");
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, disk_label);
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, graphics_label);
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, memory_label);
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, name_entry);
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, os_name_label);
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, os_type_label);
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, processor_label);
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, updates_button);
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, version_label);
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, virt_type_label);
gtk_widget_class_bind_template_child_private (widget_class, CcInfoOverviewPanel, virt_type_title_label);
gtk_widget_class_bind_template_callback (widget_class, on_updates_button_clicked);
g_type_ensure (CC_TYPE_HOSTNAME_ENTRY);
}
static void
cc_info_overview_panel_init (CcInfoOverviewPanel *self)
{
CcInfoOverviewPanelPrivate *priv = cc_info_overview_panel_get_instance_private (self);
gtk_widget_init_template (GTK_WIDGET (self));
g_resources_register (cc_info_overview_get_resource ());
if (!does_gnome_software_exist () && !does_gpk_update_viewer_exist ())
gtk_widget_destroy (GTK_WIDGET (priv->updates_button));
info_overview_panel_setup_overview (self);
info_overview_panel_setup_virt (self);
}
GtkWidget *
cc_info_overview_panel_new (void)
{
return g_object_new (CC_TYPE_INFO_OVERVIEW_PANEL,
NULL);
}