2 * Copyright (C) 2010-2011 Robert Ancell.
3 * Author: Robert Ancell <robert.ancell@canonical.com>
5 * This program is free software: you can redistribute it and/or modify it under
6 * the terms of the GNU General Public License as published by the Free Software
7 * Foundation, either version 3 of the License, or (at your option) any later
8 * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
14 #include "seat-xlocal.h"
15 #include "configuration.h"
16 #include "x-server-local.h"
17 #include "unity-system-compositor.h"
18 #include "wayland-session.h"
22 struct SeatXLocalPrivate
24 /* X server being used for XDMCP */
25 XServerLocal *xdmcp_x_server;
28 G_DEFINE_TYPE (SeatXLocal, seat_xlocal, SEAT_TYPE);
30 static XServerLocal *create_x_server (Seat *seat);
33 seat_xlocal_setup (Seat *seat)
35 seat_set_supports_multi_session (seat, TRUE);
36 seat_set_share_display_server (seat, seat_get_boolean_property (seat, "xserver-share"));
37 SEAT_CLASS (seat_xlocal_parent_class)->setup (seat);
41 check_stopped (SeatXLocal *seat)
43 if (!seat->priv->xdmcp_x_server)
44 SEAT_CLASS (seat_xlocal_parent_class)->stop (SEAT (seat));
48 xdmcp_x_server_stopped_cb (DisplayServer *display_server, Seat *seat)
50 l_debug (seat, "XDMCP X server stopped");
52 g_signal_handlers_disconnect_matched (SEAT_XLOCAL (seat)->priv->xdmcp_x_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
53 SEAT_XLOCAL (seat)->priv->xdmcp_x_server = NULL;
54 g_object_unref (display_server);
56 if (seat_get_is_stopping (seat))
57 check_stopped (SEAT_XLOCAL (seat));
63 seat_xlocal_start (Seat *seat)
65 const gchar *xdmcp_manager = NULL;
67 /* If running as an XDMCP client then just start an X server */
68 xdmcp_manager = seat_get_string_property (seat, "xdmcp-manager");
71 SeatXLocal *s = SEAT_XLOCAL (seat);
72 const gchar *key_name = NULL;
75 s->priv->xdmcp_x_server = create_x_server (seat);
76 x_server_local_set_xdmcp_server (s->priv->xdmcp_x_server, xdmcp_manager);
77 port = seat_get_integer_property (seat, "xdmcp-port");
79 x_server_local_set_xdmcp_port (s->priv->xdmcp_x_server, port);
80 key_name = seat_get_string_property (seat, "xdmcp-key");
88 path = g_build_filename (config_get_directory (config_get_instance ()), "keys.conf", NULL);
90 keys = g_key_file_new ();
91 result = g_key_file_load_from_file (keys, path, G_KEY_FILE_NONE, &error);
93 l_debug (seat, "Error getting key %s", error->message);
94 g_clear_error (&error);
100 if (g_key_file_has_key (keys, "keyring", key_name, NULL))
101 key = g_key_file_get_string (keys, "keyring", key_name, NULL);
103 l_debug (seat, "Key %s not defined", key_name);
106 x_server_local_set_xdmcp_key (s->priv->xdmcp_x_server, key);
111 g_key_file_free (keys);
114 g_signal_connect (s->priv->xdmcp_x_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (xdmcp_x_server_stopped_cb), seat);
115 return display_server_start (DISPLAY_SERVER (s->priv->xdmcp_x_server));
118 return SEAT_CLASS (seat_xlocal_parent_class)->start (seat);
122 display_server_ready_cb (DisplayServer *display_server, Seat *seat)
125 plymouth_quit (TRUE);
129 display_server_transition_plymouth_cb (DisplayServer *display_server, Seat *seat)
131 /* Quit Plymouth if we didn't do the transition */
132 if (plymouth_get_is_running ())
133 plymouth_quit (FALSE);
135 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, display_server_transition_plymouth_cb, NULL);
139 get_vt (Seat *seat, DisplayServer *display_server)
142 const gchar *xdg_seat = seat_get_name (seat);
144 if (strcmp (xdg_seat, "seat0") != 0)
147 /* If Plymouth is running, stop it */
148 if (plymouth_get_is_active () && plymouth_has_active_vt ())
150 gint active_vt = vt_get_active ();
151 if (active_vt >= vt_get_min ())
154 g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_READY, G_CALLBACK (display_server_ready_cb), seat);
155 g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (display_server_transition_plymouth_cb), seat);
156 plymouth_deactivate ();
159 l_debug (seat, "Plymouth is running on VT %d, but this is less than the configured minimum of %d so not replacing it", active_vt, vt_get_min ());
161 if (plymouth_get_is_active ())
162 plymouth_quit (FALSE);
164 vt = vt_get_unused ();
169 static XServerLocal *
170 create_x_server (Seat *seat)
172 XServerLocal *x_server;
173 const gchar *command = NULL, *layout = NULL, *config_file = NULL;
177 x_server = x_server_local_new ();
179 vt = get_vt (seat, DISPLAY_SERVER (x_server));
181 x_server_local_set_vt (x_server, vt);
184 l_debug (seat, "Starting local X display on VT %d", vt);
186 l_debug (seat, "Starting local X display");
188 /* If running inside an X server use Xephyr instead */
189 if (g_getenv ("DISPLAY"))
192 command = seat_get_string_property (seat, "xserver-command");
194 x_server_local_set_command (x_server, command);
196 layout = seat_get_string_property (seat, "xserver-layout");
198 x_server_local_set_layout (x_server, layout);
200 x_server_local_set_xdg_seat (x_server, seat_get_name (seat));
202 config_file = seat_get_string_property (seat, "xserver-config");
204 x_server_local_set_config (x_server, config_file);
206 allow_tcp = seat_get_boolean_property (seat, "xserver-allow-tcp");
207 x_server_local_set_allow_tcp (x_server, allow_tcp);
212 static DisplayServer *
213 create_unity_system_compositor (Seat *seat)
215 UnitySystemCompositor *compositor;
216 const gchar *command;
220 compositor = unity_system_compositor_new ();
222 command = seat_get_string_property (seat, "unity-compositor-command");
224 unity_system_compositor_set_command (compositor, command);
226 timeout = seat_get_integer_property (seat, "unity-compositor-timeout");
229 unity_system_compositor_set_timeout (compositor, timeout);
231 vt = get_vt (seat, DISPLAY_SERVER (compositor));
233 unity_system_compositor_set_vt (compositor, vt);
237 socket_name = g_strdup_printf ("/run/lightdm-mir-%d", i);
238 if (!g_file_test (socket_name, G_FILE_TEST_EXISTS))
241 unity_system_compositor_set_socket (compositor, socket_name);
242 g_free (socket_name);
244 return DISPLAY_SERVER (compositor);
247 static DisplayServer *
248 create_wayland_session (Seat *seat)
250 WaylandSession *session;
253 session = wayland_session_new ();
255 vt = get_vt (seat, DISPLAY_SERVER (session));
257 wayland_session_set_vt (session, vt);
259 return DISPLAY_SERVER (session);
262 static DisplayServer *
263 seat_xlocal_create_display_server (Seat *seat, Session *session)
265 const gchar *session_type;
267 session_type = session_get_session_type (session);
268 if (strcmp (session_type, "x") == 0)
269 return DISPLAY_SERVER (create_x_server (seat));
270 else if (strcmp (session_type, "mir") == 0)
271 return create_unity_system_compositor (seat);
272 else if (strcmp (session_type, "wayland") == 0)
273 return create_wayland_session (seat);
274 else if (strcmp (session_type, "mir-container") == 0)
276 DisplayServer *compositor;
277 const gchar *compositor_command;
279 compositor = create_unity_system_compositor (seat);
280 compositor_command = session_config_get_compositor_command (session_get_config (session));
281 if (compositor_command)
282 unity_system_compositor_set_command (UNITY_SYSTEM_COMPOSITOR (compositor), compositor_command);
288 l_warning (seat, "Can't create unsupported display server '%s'", session_type);
294 seat_xlocal_create_greeter_session (Seat *seat)
296 Greeter *greeter_session;
298 greeter_session = SEAT_CLASS (seat_xlocal_parent_class)->create_greeter_session (seat);
299 session_set_env (SESSION (greeter_session), "XDG_SEAT", seat_get_name (seat));
301 return greeter_session;
305 seat_xlocal_create_session (Seat *seat)
309 session = SEAT_CLASS (seat_xlocal_parent_class)->create_session (seat);
310 session_set_env (SESSION (session), "XDG_SEAT", seat_get_name (seat));
316 seat_xlocal_set_active_session (Seat *seat, Session *session)
318 DisplayServer *display_server;
320 display_server = session_get_display_server (session);
322 gint vt = display_server_get_vt (display_server);
326 if (IS_UNITY_SYSTEM_COMPOSITOR (display_server))
327 unity_system_compositor_set_active_session (UNITY_SYSTEM_COMPOSITOR (display_server), IS_GREETER (session) ? "greeter-0" : "session-0");
329 SEAT_CLASS (seat_xlocal_parent_class)->set_active_session (seat, session);
333 seat_xlocal_get_active_session (Seat *seat)
338 vt = vt_get_active ();
342 for (link = seat_get_sessions (seat); link; link = link->next)
344 Session *session = link->data;
345 DisplayServer *display_server;
347 display_server = session_get_display_server (session);
348 if (display_server && display_server_get_vt (display_server) == vt)
356 seat_xlocal_run_script (Seat *seat, DisplayServer *display_server, Process *script)
358 if (IS_X_SERVER_LOCAL (display_server))
361 XServerLocal *x_server;
363 x_server = X_SERVER_LOCAL (display_server);
364 path = x_server_local_get_authority_file_path (x_server);
365 process_set_env (script, "DISPLAY", x_server_get_address (X_SERVER (x_server)));
366 process_set_env (script, "XAUTHORITY", path);
369 SEAT_CLASS (seat_xlocal_parent_class)->run_script (seat, display_server, script);
373 seat_xlocal_stop (Seat *seat)
375 /* Stop the XDMCP X server first */
376 if (SEAT_XLOCAL (seat)->priv->xdmcp_x_server)
377 display_server_stop (DISPLAY_SERVER (SEAT_XLOCAL (seat)->priv->xdmcp_x_server));
379 check_stopped (SEAT_XLOCAL (seat));
383 seat_xlocal_init (SeatXLocal *seat)
385 seat->priv = G_TYPE_INSTANCE_GET_PRIVATE (seat, SEAT_XLOCAL_TYPE, SeatXLocalPrivate);
389 seat_xlocal_finalize (GObject *object)
391 SeatXLocal *seat = SEAT_XLOCAL (object);
393 if (seat->priv->xdmcp_x_server)
395 g_signal_handlers_disconnect_matched (seat->priv->xdmcp_x_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
396 g_object_unref (seat->priv->xdmcp_x_server);
399 G_OBJECT_CLASS (seat_xlocal_parent_class)->finalize (object);
403 seat_xlocal_class_init (SeatXLocalClass *klass)
405 GObjectClass *object_class = G_OBJECT_CLASS (klass);
406 SeatClass *seat_class = SEAT_CLASS (klass);
408 object_class->finalize = seat_xlocal_finalize;
410 seat_class->setup = seat_xlocal_setup;
411 seat_class->start = seat_xlocal_start;
412 seat_class->create_display_server = seat_xlocal_create_display_server;
413 seat_class->create_greeter_session = seat_xlocal_create_greeter_session;
414 seat_class->create_session = seat_xlocal_create_session;
415 seat_class->set_active_session = seat_xlocal_set_active_session;
416 seat_class->get_active_session = seat_xlocal_get_active_session;
417 seat_class->run_script = seat_xlocal_run_script;
418 seat_class->stop = seat_xlocal_stop;
420 g_type_class_add_private (klass, sizeof (SeatXLocalPrivate));