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"
21 struct SeatXLocalPrivate
23 /* X server being used for XDMCP */
24 XServerLocal *xdmcp_x_server;
27 G_DEFINE_TYPE (SeatXLocal, seat_xlocal, SEAT_TYPE);
29 static XServerLocal *create_x_server (Seat *seat);
32 seat_xlocal_setup (Seat *seat)
34 seat_set_supports_multi_session (seat, TRUE);
35 seat_set_share_display_server (seat, seat_get_boolean_property (seat, "xserver-share"));
36 SEAT_CLASS (seat_xlocal_parent_class)->setup (seat);
40 check_stopped (SeatXLocal *seat)
42 if (!seat->priv->xdmcp_x_server)
43 SEAT_CLASS (seat_xlocal_parent_class)->stop (SEAT (seat));
47 xdmcp_x_server_stopped_cb (DisplayServer *display_server, Seat *seat)
49 l_debug (seat, "XDMCP X server stopped");
51 g_signal_handlers_disconnect_matched (SEAT_XLOCAL (seat)->priv->xdmcp_x_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
52 SEAT_XLOCAL (seat)->priv->xdmcp_x_server = NULL;
53 g_object_unref (display_server);
55 if (seat_get_is_stopping (seat))
56 check_stopped (SEAT_XLOCAL (seat));
62 seat_xlocal_start (Seat *seat)
64 const gchar *xdmcp_manager = NULL;
66 /* If running as an XDMCP client then just start an X server */
67 xdmcp_manager = seat_get_string_property (seat, "xdmcp-manager");
70 SeatXLocal *s = SEAT_XLOCAL (seat);
71 const gchar *key_name = NULL;
74 s->priv->xdmcp_x_server = create_x_server (seat);
75 x_server_local_set_xdmcp_server (s->priv->xdmcp_x_server, xdmcp_manager);
76 port = seat_get_integer_property (seat, "xdmcp-port");
78 x_server_local_set_xdmcp_port (s->priv->xdmcp_x_server, port);
79 key_name = seat_get_string_property (seat, "xdmcp-key");
87 path = g_build_filename (config_get_directory (config_get_instance ()), "keys.conf", NULL);
89 keys = g_key_file_new ();
90 result = g_key_file_load_from_file (keys, path, G_KEY_FILE_NONE, &error);
92 l_debug (seat, "Error getting key %s", error->message);
93 g_clear_error (&error);
99 if (g_key_file_has_key (keys, "keyring", key_name, NULL))
100 key = g_key_file_get_string (keys, "keyring", key_name, NULL);
102 l_debug (seat, "Key %s not defined", key_name);
105 x_server_local_set_xdmcp_key (s->priv->xdmcp_x_server, key);
110 g_key_file_free (keys);
113 g_signal_connect (s->priv->xdmcp_x_server, "stopped", G_CALLBACK (xdmcp_x_server_stopped_cb), seat);
114 return display_server_start (DISPLAY_SERVER (s->priv->xdmcp_x_server));
117 return SEAT_CLASS (seat_xlocal_parent_class)->start (seat);
121 display_server_ready_cb (DisplayServer *display_server, Seat *seat)
124 plymouth_quit (TRUE);
128 display_server_transition_plymouth_cb (DisplayServer *display_server, Seat *seat)
130 /* Quit Plymouth if we didn't do the transition */
131 if (plymouth_get_is_running ())
132 plymouth_quit (FALSE);
134 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, display_server_transition_plymouth_cb, NULL);
138 get_vt (Seat *seat, DisplayServer *display_server)
141 const gchar *xdg_seat = seat_get_name (seat);
142 if (strcmp (xdg_seat, "seat0") != 0)
145 /* If Plymouth is running, stop it */
146 if (plymouth_get_is_active () && plymouth_has_active_vt ())
148 gint active_vt = vt_get_active ();
149 if (active_vt >= vt_get_min ())
152 g_signal_connect (display_server, "ready", G_CALLBACK (display_server_ready_cb), seat);
153 g_signal_connect (display_server, "stopped", G_CALLBACK (display_server_transition_plymouth_cb), seat);
154 plymouth_deactivate ();
157 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 ());
159 if (plymouth_get_is_active ())
160 plymouth_quit (FALSE);
162 vt = vt_get_unused ();
167 static XServerLocal *
168 create_x_server (Seat *seat)
170 XServerLocal *x_server;
171 const gchar *command = NULL, *layout = NULL, *config_file = NULL;
175 x_server = x_server_local_new ();
177 vt = get_vt (seat, DISPLAY_SERVER (x_server));
179 x_server_local_set_vt (x_server, vt);
182 l_debug (seat, "Starting local X display on VT %d", vt);
184 l_debug (seat, "Starting local X display");
186 /* If running inside an X server use Xephyr instead */
187 if (g_getenv ("DISPLAY"))
190 command = seat_get_string_property (seat, "xserver-command");
192 x_server_local_set_command (x_server, command);
194 layout = seat_get_string_property (seat, "xserver-layout");
196 x_server_local_set_layout (x_server, layout);
198 x_server_local_set_xdg_seat (x_server, seat_get_name (seat));
200 config_file = seat_get_string_property (seat, "xserver-config");
202 x_server_local_set_config (x_server, config_file);
204 allow_tcp = seat_get_boolean_property (seat, "xserver-allow-tcp");
205 x_server_local_set_allow_tcp (x_server, allow_tcp);
210 static DisplayServer *
211 create_unity_system_compositor (Seat *seat)
213 UnitySystemCompositor *compositor;
214 const gchar *command;
218 compositor = unity_system_compositor_new ();
220 command = seat_get_string_property (seat, "unity-compositor-command");
222 unity_system_compositor_set_command (compositor, command);
224 timeout = seat_get_integer_property (seat, "unity-compositor-timeout");
227 unity_system_compositor_set_timeout (compositor, timeout);
229 vt = get_vt (seat, DISPLAY_SERVER (compositor));
231 unity_system_compositor_set_vt (compositor, vt);
235 socket_name = g_strdup_printf ("/run/lightdm-mir-%d", i);
236 if (!g_file_test (socket_name, G_FILE_TEST_EXISTS))
239 unity_system_compositor_set_socket (compositor, socket_name);
240 g_free (socket_name);
242 unity_system_compositor_set_enable_hardware_cursor (compositor, TRUE);
244 return DISPLAY_SERVER (compositor);
247 static DisplayServer *
248 seat_xlocal_create_display_server (Seat *seat, Session *session)
250 const gchar *session_type;
252 session_type = session_get_session_type (session);
253 if (strcmp (session_type, "x") == 0)
254 return DISPLAY_SERVER (create_x_server (seat));
255 else if (strcmp (session_type, "mir") == 0)
256 return create_unity_system_compositor (seat);
257 else if (strcmp (session_type, "mir-container") == 0)
259 DisplayServer *compositor;
260 const gchar *compositor_command;
262 compositor = create_unity_system_compositor (seat);
263 compositor_command = session_config_get_compositor_command (session_get_config (session));
264 if (compositor_command)
265 unity_system_compositor_set_command (UNITY_SYSTEM_COMPOSITOR (compositor), compositor_command);
271 l_warning (seat, "Can't create unsupported display server '%s'", session_type);
277 seat_xlocal_create_greeter_session (Seat *seat)
279 Greeter *greeter_session;
281 greeter_session = SEAT_CLASS (seat_xlocal_parent_class)->create_greeter_session (seat);
282 session_set_env (SESSION (greeter_session), "XDG_SEAT", seat_get_name (seat));
284 return greeter_session;
288 seat_xlocal_create_session (Seat *seat)
292 session = SEAT_CLASS (seat_xlocal_parent_class)->create_session (seat);
293 session_set_env (SESSION (session), "XDG_SEAT", seat_get_name (seat));
299 seat_xlocal_set_active_session (Seat *seat, Session *session)
301 DisplayServer *display_server;
303 display_server = session_get_display_server (session);
305 gint vt = display_server_get_vt (display_server);
309 if (IS_UNITY_SYSTEM_COMPOSITOR (display_server))
310 unity_system_compositor_set_active_session (UNITY_SYSTEM_COMPOSITOR (display_server), IS_GREETER (session) ? "greeter-0" : "session-0");
312 SEAT_CLASS (seat_xlocal_parent_class)->set_active_session (seat, session);
316 seat_xlocal_get_active_session (Seat *seat)
321 vt = vt_get_active ();
325 for (link = seat_get_sessions (seat); link; link = link->next)
327 Session *session = link->data;
328 DisplayServer *display_server;
330 display_server = session_get_display_server (session);
331 if (display_server && display_server_get_vt (display_server) == vt)
339 seat_xlocal_run_script (Seat *seat, DisplayServer *display_server, Process *script)
342 XServerLocal *x_server;
344 x_server = X_SERVER_LOCAL (display_server);
345 path = x_server_local_get_authority_file_path (x_server);
346 process_set_env (script, "DISPLAY", x_server_get_address (X_SERVER (x_server)));
347 process_set_env (script, "XAUTHORITY", path);
349 SEAT_CLASS (seat_xlocal_parent_class)->run_script (seat, display_server, script);
353 seat_xlocal_stop (Seat *seat)
355 /* Stop the XDMCP X server first */
356 if (SEAT_XLOCAL (seat)->priv->xdmcp_x_server)
357 display_server_stop (DISPLAY_SERVER (SEAT_XLOCAL (seat)->priv->xdmcp_x_server));
359 check_stopped (SEAT_XLOCAL (seat));
363 seat_xlocal_init (SeatXLocal *seat)
365 seat->priv = G_TYPE_INSTANCE_GET_PRIVATE (seat, SEAT_XLOCAL_TYPE, SeatXLocalPrivate);
369 seat_xlocal_finalize (GObject *object)
371 SeatXLocal *seat = SEAT_XLOCAL (object);
373 if (seat->priv->xdmcp_x_server)
375 g_signal_handlers_disconnect_matched (seat->priv->xdmcp_x_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
376 g_object_unref (seat->priv->xdmcp_x_server);
379 G_OBJECT_CLASS (seat_xlocal_parent_class)->finalize (object);
383 seat_xlocal_class_init (SeatXLocalClass *klass)
385 GObjectClass *object_class = G_OBJECT_CLASS (klass);
386 SeatClass *seat_class = SEAT_CLASS (klass);
388 object_class->finalize = seat_xlocal_finalize;
390 seat_class->setup = seat_xlocal_setup;
391 seat_class->start = seat_xlocal_start;
392 seat_class->create_display_server = seat_xlocal_create_display_server;
393 seat_class->create_greeter_session = seat_xlocal_create_greeter_session;
394 seat_class->create_session = seat_xlocal_create_session;
395 seat_class->set_active_session = seat_xlocal_set_active_session;
396 seat_class->get_active_session = seat_xlocal_get_active_session;
397 seat_class->run_script = seat_xlocal_run_script;
398 seat_class->stop = seat_xlocal_stop;
400 g_type_class_add_private (klass, sizeof (SeatXLocalPrivate));