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gui/SOURCES/0003-Revert-sharing-Use-sys...

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From 9b03a1eb04442c74dd990cda0f44ccf283413a75 Mon Sep 17 00:00:00 2001
From: Rui Matos <tiagomatos@gmail.com>
Date: Wed, 11 Oct 2017 18:10:54 +0200
Subject: [PATCH 3/3] Revert "sharing: Use systemd to track running services"
This reverts commit e0b7f4143bdd201c824499dd09159f5890a07c6a.
---
plugins/sharing/gsd-sharing-manager.c | 114 +++++++++++++-------------
1 file changed, 55 insertions(+), 59 deletions(-)
diff --git a/plugins/sharing/gsd-sharing-manager.c b/plugins/sharing/gsd-sharing-manager.c
index 26663442..b24c4814 100644
--- a/plugins/sharing/gsd-sharing-manager.c
+++ b/plugins/sharing/gsd-sharing-manager.c
@@ -11,60 +11,62 @@
* 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 <locale.h>
#include <glib.h>
#include <gio/gio.h>
#include <gio/gdesktopappinfo.h>
#include <glib/gstdio.h>
#ifdef HAVE_NETWORK_MANAGER
#include <NetworkManager.h>
#endif /* HAVE_NETWORK_MANAGER */
#include "gnome-settings-profile.h"
#include "gsd-sharing-manager.h"
#include "gsd-sharing-enums.h"
#define GSD_SHARING_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GSD_TYPE_SHARING_MANAGER, GsdSharingManagerPrivate))
typedef struct {
const char *name;
GSettings *settings;
+ gboolean started;
+ GSubprocess *process;
} ServiceInfo;
struct GsdSharingManagerPrivate
{
GDBusNodeInfo *introspection_data;
guint name_id;
GDBusConnection *connection;
GCancellable *cancellable;
#ifdef HAVE_NETWORK_MANAGER
NMClient *client;
#endif /* HAVE_NETWORK_MANAGER */
GHashTable *services;
char *current_network;
char *current_network_name;
char *carrier_type;
GsdSharingStatus sharing_status;
};
#define GSD_DBUS_NAME "org.gnome.SettingsDaemon"
#define GSD_DBUS_PATH "/org/gnome/SettingsDaemon"
#define GSD_DBUS_BASE_INTERFACE "org.gnome.SettingsDaemon"
#define GSD_SHARING_DBUS_NAME GSD_DBUS_NAME ".Sharing"
#define GSD_SHARING_DBUS_PATH GSD_DBUS_PATH "/Sharing"
static const gchar introspection_xml[] =
"<node>"
@@ -77,176 +79,170 @@ static const gchar introspection_xml[] =
" <method name='EnableService'>"
" <arg name='service-name' direction='in' type='s'/>"
" </method>"
" <method name='DisableService'>"
" <arg name='service-name' direction='in' type='s'/>"
" <arg name='network' direction='in' type='s'/>"
" </method>"
" <method name='ListNetworks'>"
" <arg name='service-name' direction='in' type='s'/>"
" <arg name='networks' direction='out' type='a(sss)'/>"
" </method>"
" </interface>"
"</node>";
static void gsd_sharing_manager_class_init (GsdSharingManagerClass *klass);
static void gsd_sharing_manager_init (GsdSharingManager *manager);
static void gsd_sharing_manager_finalize (GObject *object);
G_DEFINE_TYPE (GsdSharingManager, gsd_sharing_manager, G_TYPE_OBJECT)
static gpointer manager_object = NULL;
static const char * const services[] = {
"rygel",
"vino-server",
"gnome-remote-desktop",
"gnome-user-share-webdav"
};
static void
-handle_unit_cb (GObject *source_object,
- GAsyncResult *res,
- gpointer user_data)
+gsd_sharing_manager_start_service (GsdSharingManager *manager,
+ ServiceInfo *service)
{
+ GDesktopAppInfo *app;
+ const char *exec;
+ char *desktop, **argvp;
GError *error = NULL;
- GVariant *ret;
- const char *operation = user_data;
- ret = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source_object),
- res, &error);
- if (!ret) {
- if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
- g_warning ("Failed to %s service: %s", operation, error->message);
- g_error_free (error);
+ if (service->started)
return;
- }
+ g_debug ("About to start %s", service->name);
- g_variant_unref (ret);
+ desktop = g_strdup_printf ("%s.desktop", service->name);
+ app = g_desktop_app_info_new (desktop);
+ g_free (desktop);
-}
+ if (!app) {
+ g_warning ("Could not find desktop file for service '%s'", service->name);
+ return;
+ }
-static void
-gsd_sharing_manager_handle_service (GsdSharingManager *manager,
- const char *method,
- GAsyncReadyCallback callback,
- ServiceInfo *service)
-{
- char *service_file;
-
- service_file = g_strdup_printf ("%s.service", service->name);
- g_dbus_connection_call (manager->priv->connection,
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- method,
- g_variant_new ("(ss)", service_file, "replace"),
- NULL,
- G_DBUS_CALL_FLAGS_NONE,
- -1,
- manager->priv->cancellable,
- callback,
- manager);
- g_free (service_file);
-}
+ exec = g_app_info_get_commandline (G_APP_INFO (app));
-static void
-gsd_sharing_manager_start_service (GsdSharingManager *manager,
- ServiceInfo *service)
-{
- g_debug ("About to start %s", service->name);
+ if (!g_shell_parse_argv (exec, NULL, &argvp, &error)) {
+ g_warning ("Could not parse command-line '%s': %s", exec, error->message);
+ g_error_free (error);
+ g_object_unref (app);
+ return;
+ }
- /* We use StartUnit, not StartUnitReplace, since the latter would
- * cancel any pending start we already have going from an
- * earlier _start_service() call */
- gsd_sharing_manager_handle_service (manager, "StartUnit",
- handle_unit_cb, "start");
-}
+ service->process = g_subprocess_newv ((const gchar * const*) argvp, G_SUBPROCESS_FLAGS_NONE, &error);
-static void
-gsd_sharing_manager_stop_service (GsdSharingManager *manager,
- ServiceInfo *service)
-{
- g_debug ("About to stop %s", service->name);
+ if (!service->process) {
+ g_warning ("Could not start command-line '%s': %s", exec, error->message);
+ g_error_free (error);
+ service->started = FALSE;
+ } else {
+ service->started = TRUE;
+ }
- gsd_sharing_manager_handle_service (manager, "StopUnit",
- handle_unit_cb, "stop");
+ g_strfreev (argvp);
+ g_object_unref (app);
}
#ifdef HAVE_NETWORK_MANAGER
static gboolean
service_is_enabled_on_current_connection (GsdSharingManager *manager,
ServiceInfo *service)
{
char **connections;
int j;
gboolean ret;
connections = g_settings_get_strv (service->settings, "enabled-connections");
ret = FALSE;
for (j = 0; connections[j] != NULL; j++) {
if (g_strcmp0 (connections[j], manager->priv->current_network) == 0) {
ret = TRUE;
break;
}
}
g_strfreev (connections);
return ret;
}
#else
static gboolean
service_is_enabled_on_current_connection (GsdSharingManager *manager,
ServiceInfo *service)
{
return FALSE;
}
#endif /* HAVE_NETWORK_MANAGER */
+static void
+gsd_sharing_manager_stop_service (GsdSharingManager *manager,
+ ServiceInfo *service)
+{
+ if (!service->started ||
+ service->process == NULL) {
+ return;
+ }
+
+ g_debug ("About to stop %s", service->name);
+
+ g_subprocess_send_signal (service->process, SIGTERM);
+ g_clear_object (&service->process);
+ service->started = FALSE;
+}
+
static void
gsd_sharing_manager_sync_services (GsdSharingManager *manager)
{
GList *services, *l;
services = g_hash_table_get_values (manager->priv->services);
for (l = services; l != NULL; l = l->next) {
ServiceInfo *service = l->data;
gboolean should_be_started = FALSE;
if (manager->priv->sharing_status == GSD_SHARING_STATUS_AVAILABLE &&
service_is_enabled_on_current_connection (manager, service))
should_be_started = TRUE;
- if (should_be_started)
- gsd_sharing_manager_start_service (manager, service);
- else
- gsd_sharing_manager_stop_service (manager, service);
+ if (service->started != should_be_started) {
+ if (service->started)
+ gsd_sharing_manager_stop_service (manager, service);
+ else
+ gsd_sharing_manager_start_service (manager, service);
+ }
}
g_list_free (services);
}
#ifdef HAVE_NETWORK_MANAGER
static void
properties_changed (GsdSharingManager *manager)
{
GVariantBuilder props_builder;
GVariant *props_changed = NULL;
/* not yet connected to the session bus */
if (manager->priv->connection == NULL)
return;
g_variant_builder_init (&props_builder, G_VARIANT_TYPE ("a{sv}"));
g_variant_builder_add (&props_builder, "{sv}", "CurrentNetwork",
g_variant_new_string (manager->priv->current_network));
g_variant_builder_add (&props_builder, "{sv}", "CurrentNetworkName",
g_variant_new_string (manager->priv->current_network_name));
g_variant_builder_add (&props_builder, "{sv}", "CarrierType",
g_variant_new_string (manager->priv->carrier_type));
g_variant_builder_add (&props_builder, "{sv}", "SharingStatus",
g_variant_new_uint32 (manager->priv->sharing_status));
props_changed = g_variant_new ("(s@a{sv}@as)", GSD_SHARING_DBUS_NAME,
g_variant_builder_end (&props_builder),
g_variant_new_strv (NULL, 0));
--
2.17.0