static gboolean
spawn_delta_generation (GMainContext *context,
int *n_spawned_delta_generate,
OstreeRepo *repo,
GVariant *params,
const char *ref,
const char *from,
const char *to,
GError **error)
{
g_autoptr(GSubprocessLauncher) launcher = g_subprocess_launcher_new (0);
g_autoptr(GSubprocess) subprocess = NULL;
const char *argv[] = {
"/proc/self/exe",
"build-update-repo",
"--generate-static-delta-ref",
ref,
"--generate-static-delta-to",
to,
NULL, NULL, NULL, NULL
};
int i = 6;
g_autofree char *exe = NULL;
exe = flatpak_readlink ("/proc/self/exe", NULL);
if (exe)
argv[0] = exe;
if (from)
{
argv[i++] = "--generate-static-delta-from";
argv[i++] = from;
}
argv[i++] = flatpak_file_get_path_cached (ostree_repo_get_path (repo));
argv[i++] = NULL;
g_assert (i <= G_N_ELEMENTS (argv));
while (*n_spawned_delta_generate >= opt_static_delta_jobs)
g_main_context_iteration (context, TRUE);
subprocess = g_subprocess_launcher_spawnv (launcher, argv, error);
if (subprocess == NULL)
return FALSE;
(*n_spawned_delta_generate)++;
g_subprocess_wait_async (subprocess, NULL, delta_generation_done, n_spawned_delta_generate);
return TRUE;
}
static gboolean
spawn_session (State *state,
gboolean run_script,
GCancellable *cancellable)
{
GSubprocessLauncher *launcher = NULL;
GSubprocess *subprocess = NULL;
GError *error = NULL;
gboolean is_running = FALSE;
const char *vt;
g_debug ("Running X session");
launcher = g_subprocess_launcher_new (G_SUBPROCESS_FLAGS_NONE);
g_subprocess_launcher_setenv (launcher, "DISPLAY", state->display_name, TRUE);
g_subprocess_launcher_setenv (launcher, "XAUTHORITY", state->auth_file, TRUE);
g_subprocess_launcher_setenv (launcher, "DBUS_SESSION_BUS_ADDRESS", state->bus_address, TRUE);
vt = g_getenv ("XDG_VTNR");
if (vt != NULL) {
g_subprocess_launcher_setenv (launcher, "WINDOWPATH", vt, TRUE);
}
if (run_script) {
subprocess = g_subprocess_launcher_spawn (launcher,
&error,
GDMCONFDIR "/Xsession",
state->session_command,
NULL);
} else {
int ret;
char **argv;
ret = g_shell_parse_argv (state->session_command,
NULL,
&argv,
&error);
if (!ret) {
g_debug ("could not parse session arguments: %s", error->message);
goto out;
}
subprocess = g_subprocess_launcher_spawnv (launcher,
(const char * const *) argv,
&error);
g_strfreev (argv);
}
if (subprocess == NULL) {
g_debug ("could not start session: %s", error->message);
goto out;
}
state->session_subprocess = g_object_ref (subprocess);
g_subprocess_wait_async (state->session_subprocess,
cancellable,
(GAsyncReadyCallback)
on_session_finished,
state);
is_running = TRUE;
out:
g_clear_object (&subprocess);
return is_running;
}
static gboolean
spawn_bus (State *state,
GCancellable *cancellable)
{
GPtrArray *arguments = NULL;
GSubprocessLauncher *launcher = NULL;
GSubprocess *subprocess = NULL;
GInputStream *input_stream = NULL;
GDataInputStream *data_stream = NULL;
GError *error = NULL;
const char *bus_env = NULL;
char *bus_address_fd_string;
char *bus_address = NULL;
gsize bus_address_size;
gboolean is_running = FALSE;
int ret;
int pipe_fds[2];
g_debug ("Running session message bus");
bus_env = g_getenv ("DBUS_SESSION_BUS_ADDRESS");
if (bus_env != NULL) {
g_debug ("session message bus already running, not starting another one");
state->bus_address = g_strdup (bus_env);
return TRUE;
}
ret = g_unix_open_pipe (pipe_fds, FD_CLOEXEC, &error);
if (!ret) {
g_debug ("could not open pipe: %s", error->message);
goto out;
}
arguments = g_ptr_array_new ();
launcher = g_subprocess_launcher_new (G_SUBPROCESS_FLAGS_NONE);
g_subprocess_launcher_setenv (launcher, "DISPLAY", state->display_name, TRUE);
g_subprocess_launcher_setenv (launcher, "XAUTHORITY", state->auth_file, TRUE);
g_subprocess_launcher_take_fd (launcher, pipe_fds[1], BUS_ADDRESS_FILENO);
bus_address_fd_string = g_strdup_printf ("%d", BUS_ADDRESS_FILENO);
g_ptr_array_add (arguments, "dbus-daemon");
g_ptr_array_add (arguments, "--print-address");
g_ptr_array_add (arguments, bus_address_fd_string);
g_ptr_array_add (arguments, "--session");
g_ptr_array_add (arguments, NULL);
subprocess = g_subprocess_launcher_spawnv (launcher,
(const char * const *) arguments->pdata,
&error);
g_free (bus_address_fd_string);
g_clear_object (&launcher);
g_ptr_array_free (arguments, TRUE);
if (subprocess == NULL) {
g_debug ("could not start dbus-daemon: %s", error->message);
goto out;
}
input_stream = g_unix_input_stream_new (pipe_fds[0], TRUE);
data_stream = g_data_input_stream_new (input_stream);
g_clear_object (&input_stream);
bus_address = g_data_input_stream_read_line (data_stream,
&bus_address_size,
cancellable,
&error);
if (error != NULL) {
g_debug ("could not read address from session message bus: %s", error->message);
goto out;
}
if (bus_address == NULL) {
g_debug ("session message bus did not write address");
goto out;
}
state->bus_address = bus_address;
state->bus_subprocess = g_object_ref (subprocess);
g_subprocess_wait_async (state->bus_subprocess,
cancellable,
(GAsyncReadyCallback)
on_bus_finished,
state);
is_running = TRUE;
out:
g_clear_object (&data_stream);
g_clear_object (&subprocess);
g_clear_object (&launcher);
g_clear_error (&error);
return is_running;
}
static gboolean
spawn_x_server (State *state,
gboolean allow_remote_connections,
GCancellable *cancellable)
{
GPtrArray *arguments = NULL;
GSubprocessLauncher *launcher = NULL;
GSubprocess *subprocess = NULL;
GInputStream *input_stream = NULL;
GDataInputStream *data_stream = NULL;
GError *error = NULL;
char *auth_file;
gboolean is_running = FALSE;
int ret;
int pipe_fds[2];
char *display_fd_string = NULL;
char *vt_string = NULL;
char *display_number;
gsize display_number_size;
auth_file = prepare_auth_file ();
g_debug ("Running X server");
ret = g_unix_open_pipe (pipe_fds, FD_CLOEXEC, &error);
if (!ret) {
g_debug ("could not open pipe: %s", error->message);
goto out;
}
arguments = g_ptr_array_new ();
launcher = g_subprocess_launcher_new (G_SUBPROCESS_FLAGS_STDIN_INHERIT);
g_subprocess_launcher_setenv (launcher, "XORG_RUN_AS_USER_OK", "1", TRUE);
g_subprocess_launcher_take_fd (launcher, pipe_fds[1], DISPLAY_FILENO);
if (g_getenv ("XDG_VTNR") != NULL) {
int vt;
vt = atoi (g_getenv ("XDG_VTNR"));
if (vt > 0 && vt < 64) {
vt_string = g_strdup_printf ("vt%d", vt);
}
}
display_fd_string = g_strdup_printf ("%d", DISPLAY_FILENO);
g_ptr_array_add (arguments, X_SERVER);
if (vt_string != NULL) {
g_ptr_array_add (arguments, vt_string);
}
g_ptr_array_add (arguments, "-displayfd");
g_ptr_array_add (arguments, display_fd_string);
g_ptr_array_add (arguments, "-auth");
g_ptr_array_add (arguments, auth_file);
/* If we were compiled with Xserver >= 1.17 we need to specify
* '-listen tcp' as the X server dosen't listen on tcp sockets
* by default anymore. In older versions we need to pass
* -nolisten tcp to disable listening on tcp sockets.
*/
#ifdef HAVE_XSERVER_THAT_DEFAULTS_TO_LOCAL_ONLY
if (allow_remote_connections) {
g_ptr_array_add (arguments, "-listen");
g_ptr_array_add (arguments, "tcp");
}
#else
if (!allow_remote_connections) {
g_ptr_array_add (arguments, "-nolisten");
g_ptr_array_add (arguments, "tcp");
}
#endif
g_ptr_array_add (arguments, "-background");
g_ptr_array_add (arguments, "none");
g_ptr_array_add (arguments, "-noreset");
g_ptr_array_add (arguments, "-keeptty");
g_ptr_array_add (arguments, "-verbose");
if (state->debug_enabled) {
g_ptr_array_add (arguments, "7");
} else {
g_ptr_array_add (arguments, "3");
}
if (state->debug_enabled) {
g_ptr_array_add (arguments, "-core");
}
g_ptr_array_add (arguments, NULL);
subprocess = g_subprocess_launcher_spawnv (launcher,
(const char * const *) arguments->pdata,
&error);
g_free (display_fd_string);
g_clear_object (&launcher);
g_ptr_array_free (arguments, TRUE);
if (subprocess == NULL) {
g_debug ("could not start X server: %s", error->message);
goto out;
}
input_stream = g_unix_input_stream_new (pipe_fds[0], TRUE);
data_stream = g_data_input_stream_new (input_stream);
g_clear_object (&input_stream);
display_number = g_data_input_stream_read_line (data_stream,
&display_number_size,
cancellable,
&error);
if (error != NULL) {
g_debug ("could not read display string from X server: %s", error->message);
goto out;
}
if (display_number == NULL) {
g_debug ("X server did not write display string");
goto out;
}
state->display_name = g_strdup_printf (":%s", display_number);
g_clear_pointer (&display_number, g_free);
state->auth_file = g_strdup (auth_file);
state->x_subprocess = g_object_ref (subprocess);
g_subprocess_wait_async (state->x_subprocess,
cancellable,
(GAsyncReadyCallback)
on_x_server_finished,
state);
is_running = TRUE;
out:
g_clear_pointer (&auth_file, g_free);
g_clear_object (&data_stream);
g_clear_object (&subprocess);
g_clear_object (&launcher);
g_clear_error (&error);
return is_running;
}
gboolean
meta_xwayland_start (MetaXWaylandManager *manager,
struct wl_display *wl_display)
{
int xwayland_client_fd[2];
int displayfd[2];
gboolean started = FALSE;
g_autoptr(GSubprocessLauncher) launcher = NULL;
GSubprocessFlags flags;
GSubprocess *proc;
GError *error = NULL;
if (!choose_xdisplay (manager))
goto out;
/* We want xwayland to be a wayland client so we make a socketpair to setup a
* wayland protocol connection. */
if (socketpair (AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, xwayland_client_fd) < 0)
{
g_warning ("xwayland_client_fd socketpair failed\n");
goto out;
}
if (socketpair (AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, displayfd) < 0)
{
g_warning ("displayfd socketpair failed\n");
goto out;
}
/* xwayland, please. */
flags = G_SUBPROCESS_FLAGS_NONE;
if (getenv ("XWAYLAND_STFU"))
{
flags |= G_SUBPROCESS_FLAGS_STDOUT_SILENCE;
flags |= G_SUBPROCESS_FLAGS_STDERR_SILENCE;
}
launcher = g_subprocess_launcher_new (flags);
g_subprocess_launcher_take_fd (launcher, xwayland_client_fd[1], 3);
g_subprocess_launcher_take_fd (launcher, manager->abstract_fd, 4);
g_subprocess_launcher_take_fd (launcher, manager->unix_fd, 5);
g_subprocess_launcher_take_fd (launcher, displayfd[1], 6);
g_subprocess_launcher_setenv (launcher, "WAYLAND_SOCKET", "3", TRUE);
proc = g_subprocess_launcher_spawn (launcher, &error,
XWAYLAND_PATH, manager->display_name,
"-rootless", "-noreset",
"-listen", "4",
"-listen", "5",
"-displayfd", "6",
NULL);
if (!proc)
{
g_error ("Failed to spawn Xwayland: %s", error->message);
goto out;
}
g_subprocess_wait_async (proc, NULL, xserver_died, NULL);
g_unix_fd_add (displayfd[0], G_IO_IN, on_displayfd_ready, manager);
manager->client = wl_client_create (wl_display, xwayland_client_fd[0]);
/* We need to run a mainloop until we know xwayland has a binding
* for our xserver interface at which point we can assume it's
* ready to start accepting connections. */
manager->init_loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (manager->init_loop);
started = TRUE;
out:
if (!started)
{
unlink (manager->lock_file);
g_clear_pointer (&manager->lock_file, g_free);
}
return started;
}
static gboolean
archive_spawnv (GFile *dir,
char **output,
GError **error,
const gchar * const *argv)
{
g_autoptr(GSubprocessLauncher) launcher = NULL;
g_autoptr(GSubprocess) subp = NULL;
GInputStream *in;
g_autoptr(GOutputStream) out = NULL;
g_autoptr(GMainLoop) loop = NULL;
SpawnData data = {0};
g_autofree gchar *commandline = NULL;
launcher = g_subprocess_launcher_new (G_SUBPROCESS_FLAGS_NONE);
if (output)
g_subprocess_launcher_set_flags (launcher, G_SUBPROCESS_FLAGS_STDOUT_PIPE);
if (dir)
{
g_autofree char *path = g_file_get_path (dir);
g_subprocess_launcher_set_cwd (launcher, path);
}
commandline = g_strjoinv (" ", (gchar **) argv);
g_debug ("Running '%s'", commandline);
subp = g_subprocess_launcher_spawnv (launcher, argv, error);
if (subp == NULL)
return FALSE;
loop = g_main_loop_new (NULL, FALSE);
data.loop = loop;
data.refs = 1;
if (output)
{
data.refs++;
in = g_subprocess_get_stdout_pipe (subp);
out = g_memory_output_stream_new_resizable ();
g_output_stream_splice_async (out,
in,
G_OUTPUT_STREAM_SPLICE_NONE,
0,
NULL,
spawn_output_spliced_cb,
&data);
}
g_subprocess_wait_async (subp, NULL, spawn_exit_cb, &data);
g_main_loop_run (loop);
if (data.error)
{
g_propagate_error (error, data.error);
g_clear_error (&data.splice_error);
return FALSE;
}
if (out)
{
if (data.splice_error)
{
g_propagate_error (error, data.splice_error);
return FALSE;
}
/* Null terminate */
g_output_stream_write (out, "\0", 1, NULL, NULL);
g_output_stream_close (out, NULL, NULL);
*output = g_memory_output_stream_steal_data (G_MEMORY_OUTPUT_STREAM (out));
}
return TRUE;
}
static void
populate_cache (EggTaskCache *cache,
gconstpointer key,
GTask *task,
gpointer user_data)
{
IdeGettextDiagnosticProvider *self = user_data;
g_autoptr(IdeUnsavedFile) unsaved_file = NULL;
g_autoptr(GSubprocess) subprocess = NULL;
GtkSourceLanguage *language;
const gchar *language_id;
const gchar *xgettext_lang;
const gchar *temp_path;
TranslationUnit *unit;
IdeFile *file = (IdeFile *)key;
GCancellable *cancellable;
GError *error = NULL;
GPtrArray *args;
g_assert (EGG_IS_TASK_CACHE (cache));
g_assert (IDE_IS_FILE (file));
g_assert (IDE_IS_GETTEXT_DIAGNOSTIC_PROVIDER (self));
cancellable = g_task_get_cancellable (task);
if (NULL == (unsaved_file = get_unsaved_file (self, file)))
{
g_task_return_new_error (task,
G_IO_ERROR,
G_IO_ERROR_NOT_FOUND,
"Failed to locate file contents");
return;
}
if (NULL == (language = ide_file_get_language (file)) ||
NULL == (language_id = gtk_source_language_get_id (language)) ||
NULL == (xgettext_lang = id_to_xgettext_language (language_id)))
{
g_task_return_new_error (task,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
"Failed to determine language type");
return;
}
if (!ide_unsaved_file_persist (unsaved_file, cancellable, &error))
{
g_task_return_error (task, error);
return;
}
temp_path = ide_unsaved_file_get_temp_path (unsaved_file);
g_assert (temp_path != NULL);
args = g_ptr_array_new ();
g_ptr_array_add (args, "xgettext");
g_ptr_array_add (args, "--check=ellipsis-unicode");
g_ptr_array_add (args, "--check=quote-unicode");
g_ptr_array_add (args, "--check=space-ellipsis");
g_ptr_array_add (args, "-k_");
g_ptr_array_add (args, "-kN_");
g_ptr_array_add (args, "-L");
g_ptr_array_add (args, (gchar *)xgettext_lang);
g_ptr_array_add (args, "-o");
g_ptr_array_add (args, "-");
g_ptr_array_add (args, (gchar *)temp_path);
g_ptr_array_add (args, NULL);
#ifdef IDE_ENABLE_TRACE
{
g_autofree gchar *str = NULL;
str = g_strjoinv (" ", (gchar **)args->pdata);
IDE_TRACE_MSG ("Launching '%s'", str);
}
#endif
subprocess = g_subprocess_newv ((const gchar * const *)args->pdata,
G_SUBPROCESS_FLAGS_STDIN_PIPE
| G_SUBPROCESS_FLAGS_STDOUT_PIPE
| G_SUBPROCESS_FLAGS_STDERR_PIPE,
&error);
g_ptr_array_free (args, TRUE);
if (subprocess == NULL)
{
g_task_return_error (task, error);
return;
}
unit = g_slice_new0 (TranslationUnit);
unit->file = g_object_ref (file);
unit->unsaved_file = ide_unsaved_file_ref (unsaved_file);
g_task_set_task_data (task, unit, (GDestroyNotify)translation_unit_free);
g_subprocess_wait_async (subprocess,
cancellable,
subprocess_wait_cb,
g_object_ref (task));
}
