static bool cgm_dbus_connect(void)
{
DBusError dbus_error;
static DBusConnection *connection;
cgm_lock();
if (!dbus_threads_initialized) {
// tell dbus to do struct locking for thread safety
dbus_threads_init_default();
dbus_threads_initialized = true;
}
dbus_error_init(&dbus_error);
connection = dbus_connection_open_private(CGMANAGER_DBUS_SOCK, &dbus_error);
if (!connection) {
DEBUG("Failed opening dbus connection: %s: %s",
dbus_error.name, dbus_error.message);
dbus_error_free(&dbus_error);
cgm_unlock();
return false;
}
dbus_connection_set_exit_on_disconnect(connection, FALSE);
dbus_error_free(&dbus_error);
cgroup_manager = nih_dbus_proxy_new(NULL, connection,
NULL /* p2p */,
"/org/linuxcontainers/cgmanager", NULL, NULL);
dbus_connection_unref(connection);
if (!cgroup_manager) {
NihError *nerr;
nerr = nih_error_get();
ERROR("Error opening cgmanager proxy: %s", nerr->message);
nih_free(nerr);
cgm_dbus_disconnect();
return false;
}
// get the api version
if (cgmanager_get_api_version_sync(NULL, cgroup_manager, &api_version) != 0) {
NihError *nerr;
nerr = nih_error_get();
ERROR("Error cgroup manager api version: %s", nerr->message);
nih_free(nerr);
cgm_dbus_disconnect();
return false;
}
if (api_version < CGM_SUPPORTS_NAMED)
cull_user_controllers();
return true;
}
bool cgm_dbus_connect(void)
{
DBusError dbus_error;
static DBusConnection *connection;
dbus_error_init(&dbus_error);
connection = dbus_connection_open_private(CGMANAGER_DBUS_SOCK, &dbus_error);
if (!connection) {
fprintf(stderr, "Failed opening dbus connection: %s: %s\n",
dbus_error.name, dbus_error.message);
dbus_error_free(&dbus_error);
return false;
}
dbus_connection_set_exit_on_disconnect(connection, FALSE);
dbus_error_free(&dbus_error);
cgroup_manager = nih_dbus_proxy_new(NULL, connection,
NULL /* p2p */,
"/org/linuxcontainers/cgmanager", NULL, NULL);
dbus_connection_unref(connection);
if (!cgroup_manager) {
NihError *nerr;
nerr = nih_error_get();
fprintf(stderr, "Error opening cgmanager proxy: %s\n", nerr->message);
nih_free(nerr);
cgm_dbus_disconnect();
return false;
}
// get the api version
if (cgmanager_get_api_version_sync(NULL, cgroup_manager, &api_version) != 0) {
NihError *nerr;
nerr = nih_error_get();
fprintf(stderr, "Error cgroup manager api version: %s\n", nerr->message);
nih_free(nerr);
cgm_dbus_disconnect();
return false;
}
return true;
}
