/*
* Copyright (C) 2010-2011 Robert Ancell.
* Author: Robert Ancell <robert.ancell@canonical.com>
- *
+ *
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
#include "seat-local.h"
#include "configuration.h"
-#include "xserver-local.h"
+#include "x-server-local.h"
+#include "x-server-xmir.h"
+#include "unity-system-compositor.h"
+#include "wayland-session.h"
+#include "plymouth.h"
#include "vt.h"
struct SeatLocalPrivate
{
- /* The section in the config for this seat */
- gchar *config_section;
+ /* System compositor being used for Mir sessions */
+ UnitySystemCompositor *compositor;
+
+ /* Session currently active on compositor */
+ Session *active_compositor_session;
+
+ /* Counter for Mir IDs to use */
+ int next_xmir_id;
+
+ /* X server being used for XDMCP */
+ XServerLocal *xdmcp_x_server;
};
G_DEFINE_TYPE (SeatLocal, seat_local, SEAT_TYPE);
-SeatLocal *
-seat_local_new (const gchar *config_section)
+static XServerLocal *create_x_server (SeatLocal *seat);
+
+static void
+seat_local_setup (Seat *seat)
{
- SeatLocal *seat;
+ seat_set_supports_multi_session (seat, TRUE);
+ seat_set_share_display_server (seat, seat_get_boolean_property (seat, "xserver-share"));
+ SEAT_CLASS (seat_local_parent_class)->setup (seat);
+}
- seat = g_object_new (SEAT_LOCAL_TYPE, NULL);
- seat->priv->config_section = g_strdup (config_section);
- seat_load_config (SEAT (seat), config_section);
- seat_set_can_switch (SEAT (seat), TRUE);
+static void
+check_stopped (SeatLocal *seat)
+{
+ if (!seat->priv->xdmcp_x_server)
+ SEAT_CLASS (seat_local_parent_class)->stop (SEAT (seat));
+}
- return seat;
+static void
+xdmcp_x_server_stopped_cb (DisplayServer *display_server, SeatLocal *seat)
+{
+ l_debug (seat, "XDMCP X server stopped");
+
+ g_signal_handlers_disconnect_matched (seat->priv->xdmcp_x_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
+ g_clear_object (&seat->priv->xdmcp_x_server);
+
+ if (seat_get_is_stopping (SEAT (seat)))
+ check_stopped (seat);
+ else
+ seat_stop (SEAT (seat));
}
-static Display *
-seat_local_add_display (Seat *seat)
+static void
+compositor_stopped_cb (UnitySystemCompositor *compositor, SeatLocal *seat)
{
- XServerLocal *xserver;
- XAuthorization *authorization = NULL;
+ l_debug (seat, "Compositor stopped");
+
+ g_clear_object (&seat->priv->compositor);
+
+ if (seat_get_is_stopping (SEAT (seat)))
+ check_stopped (seat);
+}
+
+static gboolean
+seat_local_start (Seat *seat)
+{
+ const gchar *xdmcp_manager = NULL;
+
+ /* If running as an XDMCP client then just start an X server */
+ xdmcp_manager = seat_get_string_property (seat, "xdmcp-manager");
+ if (xdmcp_manager)
+ {
+ SeatLocal *s = SEAT_LOCAL (seat);
+ const gchar *key_name = NULL;
+ gint port = 0;
+
+ s->priv->xdmcp_x_server = create_x_server (s);
+ x_server_local_set_xdmcp_server (s->priv->xdmcp_x_server, xdmcp_manager);
+ port = seat_get_integer_property (seat, "xdmcp-port");
+ if (port > 0)
+ x_server_local_set_xdmcp_port (s->priv->xdmcp_x_server, port);
+ key_name = seat_get_string_property (seat, "xdmcp-key");
+ if (key_name)
+ {
+ gchar *path;
+ GKeyFile *keys;
+ gboolean result;
+ GError *error = NULL;
+
+ path = g_build_filename (config_get_directory (config_get_instance ()), "keys.conf", NULL);
+
+ keys = g_key_file_new ();
+ result = g_key_file_load_from_file (keys, path, G_KEY_FILE_NONE, &error);
+ if (error)
+ l_debug (seat, "Error getting key %s", error->message);
+ g_clear_error (&error);
+
+ if (result)
+ {
+ gchar *key = NULL;
+
+ if (g_key_file_has_key (keys, "keyring", key_name, NULL))
+ key = g_key_file_get_string (keys, "keyring", key_name, NULL);
+ else
+ l_debug (seat, "Key %s not defined", key_name);
+
+ if (key)
+ x_server_local_set_xdmcp_key (s->priv->xdmcp_x_server, key);
+ g_free (key);
+ }
+
+ g_free (path);
+ g_key_file_free (keys);
+ }
+
+ g_signal_connect (s->priv->xdmcp_x_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (xdmcp_x_server_stopped_cb), seat);
+ return display_server_start (DISPLAY_SERVER (s->priv->xdmcp_x_server));
+ }
+
+ return SEAT_CLASS (seat_local_parent_class)->start (seat);
+}
+
+static void
+display_server_ready_cb (DisplayServer *display_server, Seat *seat)
+{
+ /* Quit Plymouth */
+ plymouth_quit (TRUE);
+}
+
+static void
+display_server_transition_plymouth_cb (DisplayServer *display_server, Seat *seat)
+{
+ /* Quit Plymouth if we didn't do the transition */
+ if (plymouth_get_is_running ())
+ plymouth_quit (FALSE);
+
+ g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, display_server_transition_plymouth_cb, NULL);
+}
+
+static gint
+get_vt (SeatLocal *seat, DisplayServer *display_server)
+{
+ gint vt = -1;
+ const gchar *xdg_seat = seat_get_name (SEAT (seat));
+
+ if (strcmp (xdg_seat, "seat0") != 0)
+ return vt;
+
+ /* If Plymouth is running, stop it */
+ if (plymouth_get_is_active () && plymouth_has_active_vt ())
+ {
+ gint active_vt = vt_get_active ();
+ if (active_vt >= vt_get_min ())
+ {
+ vt = active_vt;
+ g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_READY, G_CALLBACK (display_server_ready_cb), seat);
+ g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (display_server_transition_plymouth_cb), seat);
+ plymouth_deactivate ();
+ }
+ else
+ 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 ());
+ }
+ if (plymouth_get_is_active ())
+ plymouth_quit (FALSE);
+ if (vt < 0)
+ vt = vt_get_unused ();
+
+ return vt;
+}
+
+static UnitySystemCompositor *
+create_unity_system_compositor (SeatLocal *seat)
+{
+ UnitySystemCompositor *compositor;
+ const gchar *command;
+ gint timeout, vt;
+
+ compositor = unity_system_compositor_new ();
+
+ command = seat_get_string_property (SEAT (seat), "unity-compositor-command");
+ if (command)
+ unity_system_compositor_set_command (compositor, command);
+
+ timeout = seat_get_integer_property (SEAT (seat), "unity-compositor-timeout");
+ if (timeout <= 0)
+ timeout = 60;
+ unity_system_compositor_set_timeout (compositor, timeout);
+
+ vt = get_vt (seat, DISPLAY_SERVER (compositor));
+ if (vt >= 0)
+ unity_system_compositor_set_vt (compositor, vt);
+
+ return compositor;
+}
+
+static UnitySystemCompositor *
+get_unity_system_compositor (SeatLocal *seat)
+{
+ if (seat->priv->compositor)
+ return seat->priv->compositor;
+
+ seat->priv->compositor = create_unity_system_compositor (seat);
+ seat->priv->next_xmir_id = 0;
+ g_signal_connect (seat->priv->compositor, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (compositor_stopped_cb), seat);
+
+ return seat->priv->compositor;
+}
+
+static XServerLocal *
+create_x_server (SeatLocal *seat)
+{
+ const gchar *x_server_backend;
+ XServerLocal *x_server;
gchar *number;
- gchar hostname[1024];
- Display *display;
+ XAuthority *cookie;
+ const gchar *layout = NULL, *config_file = NULL;
+ gboolean allow_tcp;
+ gint vt;
+
+ x_server_backend = seat_get_string_property (SEAT (seat), "xserver-backend");
+ if (g_strcmp0 (x_server_backend, "mir") == 0)
+ {
+ UnitySystemCompositor *compositor;
+ const gchar *command;
+ gchar *id;
+
+ compositor = get_unity_system_compositor (SEAT_LOCAL (seat));
+ x_server = X_SERVER_LOCAL (x_server_xmir_new (compositor));
+
+ command = seat_get_string_property (SEAT (seat), "xmir-command");
+ if (command)
+ x_server_local_set_command (x_server, command);
+
+ id = g_strdup_printf ("x-%d", seat->priv->next_xmir_id);
+ seat->priv->next_xmir_id++;
+ x_server_xmir_set_mir_id (X_SERVER_XMIR (x_server), id);
+ x_server_xmir_set_mir_socket (X_SERVER_XMIR (x_server), unity_system_compositor_get_socket (compositor));
+ g_free (id);
+ }
+ else
+ {
+ const gchar *command = NULL;
+
+ x_server = x_server_local_new ();
+
+ vt = get_vt (seat, DISPLAY_SERVER (x_server));
+ if (vt >= 0)
+ x_server_local_set_vt (x_server, vt);
- g_debug ("Starting display");
+ if (vt > 0)
+ l_debug (seat, "Starting local X display on VT %d", vt);
+ else
+ l_debug (seat, "Starting local X display");
- xserver = xserver_local_new (SEAT_LOCAL (seat)->priv->config_section);
- number = g_strdup_printf ("%d", xserver_get_display_number (XSERVER (xserver)));
- gethostname (hostname, 1024);
- authorization = xauth_new_cookie (XAUTH_FAMILY_LOCAL, hostname, number);
+ /* If running inside an X server use Xephyr instead */
+ if (g_getenv ("DISPLAY"))
+ command = "Xephyr";
+ if (!command)
+ command = seat_get_string_property (SEAT (seat), "xserver-command");
+ if (command)
+ x_server_local_set_command (x_server, command);
+ }
+
+ number = g_strdup_printf ("%d", x_server_get_display_number (X_SERVER (x_server)));
+ cookie = x_authority_new_local_cookie (number);
+ x_server_set_authority (X_SERVER (x_server), cookie);
g_free (number);
+ g_object_unref (cookie);
+
+ layout = seat_get_string_property (SEAT (seat), "xserver-layout");
+ if (layout)
+ x_server_local_set_layout (x_server, layout);
+
+ x_server_local_set_xdg_seat (x_server, seat_get_name (SEAT (seat)));
+
+ config_file = seat_get_string_property (SEAT (seat), "xserver-config");
+ if (config_file)
+ x_server_local_set_config (x_server, config_file);
+
+ allow_tcp = seat_get_boolean_property (SEAT (seat), "xserver-allow-tcp");
+ x_server_local_set_allow_tcp (x_server, allow_tcp);
+
+ return x_server;
+}
+
+static DisplayServer *
+create_wayland_session (SeatLocal *seat)
+{
+ WaylandSession *session;
+ gint vt;
- xserver_set_authorization (XSERVER (xserver), authorization);
- g_object_unref (authorization);
+ session = wayland_session_new ();
- display = display_new (SEAT_LOCAL (seat)->priv->config_section, XSERVER (xserver));
- g_object_unref (xserver);
+ vt = get_vt (seat, DISPLAY_SERVER (session));
+ if (vt >= 0)
+ wayland_session_set_vt (session, vt);
- return display;
+ return DISPLAY_SERVER (session);
+}
+
+static DisplayServer *
+seat_local_create_display_server (Seat *s, Session *session)
+{
+ SeatLocal *seat = SEAT_LOCAL (s);
+ const gchar *session_type;
+
+ session_type = session_get_session_type (session);
+ if (strcmp (session_type, "x") == 0)
+ return DISPLAY_SERVER (create_x_server (seat));
+ else if (strcmp (session_type, "mir") == 0)
+ return g_object_ref (get_unity_system_compositor (seat));
+ else if (strcmp (session_type, "wayland") == 0)
+ return create_wayland_session (seat);
+ else if (strcmp (session_type, "mir-container") == 0)
+ {
+ UnitySystemCompositor *compositor;
+ const gchar *compositor_command;
+
+ compositor = create_unity_system_compositor (seat);
+ compositor_command = session_config_get_compositor_command (session_get_config (session));
+ if (compositor_command)
+ unity_system_compositor_set_command (compositor, compositor_command);
+
+ return DISPLAY_SERVER (compositor);
+ }
+ else
+ {
+ l_warning (seat, "Can't create unsupported display server '%s'", session_type);
+ return NULL;
+ }
+}
+
+static gboolean
+seat_local_display_server_is_used (Seat *seat, DisplayServer *display_server)
+{
+ if (display_server == DISPLAY_SERVER (SEAT_LOCAL (seat)->priv->compositor))
+ return TRUE;
+
+ return SEAT_CLASS (seat_local_parent_class)->display_server_is_used (seat, display_server);
+}
+
+static GreeterSession *
+seat_local_create_greeter_session (Seat *seat)
+{
+ GreeterSession *greeter_session;
+
+ greeter_session = SEAT_CLASS (seat_local_parent_class)->create_greeter_session (seat);
+ session_set_env (SESSION (greeter_session), "XDG_SEAT", seat_get_name (seat));
+
+ return greeter_session;
+}
+
+static Session *
+seat_local_create_session (Seat *seat)
+{
+ Session *session;
+
+ session = SEAT_CLASS (seat_local_parent_class)->create_session (seat);
+ session_set_env (SESSION (session), "XDG_SEAT", seat_get_name (seat));
+
+ return session;
}
static void
-seat_local_set_active_display (Seat *seat, Display *display)
+seat_local_set_active_session (Seat *s, Session *session)
{
- gint number = xserver_local_get_vt (XSERVER_LOCAL (display_get_xserver (display)));
- if (number >= 0)
- vt_set_active (number);
+ SeatLocal *seat = SEAT_LOCAL (s);
+ DisplayServer *display_server;
+
+ display_server = session_get_display_server (session);
+
+ gint vt = display_server_get_vt (display_server);
+ if (vt >= 0)
+ vt_set_active (vt);
+
+ g_clear_object (&seat->priv->active_compositor_session);
+ if (IS_UNITY_SYSTEM_COMPOSITOR (display_server))
+ {
+ unity_system_compositor_set_active_session (UNITY_SYSTEM_COMPOSITOR (display_server), session_get_env (session, "MIR_SERVER_NAME"));
+ seat->priv->active_compositor_session = g_object_ref (session);
+ }
+ if (IS_X_SERVER_XMIR (display_server))
+ {
+ unity_system_compositor_set_active_session (seat->priv->compositor, x_server_xmir_get_mir_id (X_SERVER_XMIR (display_server)));
+ seat->priv->active_compositor_session = g_object_ref (session);
+ }
+
+ SEAT_CLASS (seat_local_parent_class)->set_active_session (s, session);
+}
+
+static Session *
+seat_local_get_active_session (Seat *s)
+{
+ SeatLocal *seat = SEAT_LOCAL (s);
+ gint vt;
+ GList *link;
+
+ vt = vt_get_active ();
+ if (vt < 0)
+ return NULL;
+
+ /* If the compositor is active return the session it is displaying */
+ if (seat->priv->compositor && display_server_get_vt (DISPLAY_SERVER (seat->priv->compositor)) == vt)
+ return seat->priv->active_compositor_session;
+
+ /* Otherwise find out which session is on this VT */
+ for (link = seat_get_sessions (s); link; link = link->next)
+ {
+ Session *session = link->data;
+ DisplayServer *display_server;
+
+ display_server = session_get_display_server (session);
+ if (display_server && display_server_get_vt (display_server) == vt)
+ return session;
+ }
+
+ return NULL;
+}
+
+static void
+seat_local_set_next_session (Seat *seat, Session *session)
+{
+ DisplayServer *display_server;
+ const gchar *id = NULL;
+
+ if (!session)
+ return;
+
+ display_server = session_get_display_server (session);
+
+ if (IS_X_SERVER_XMIR (display_server))
+ id = x_server_xmir_get_mir_id (X_SERVER_XMIR (display_server));
+ else
+ id = session_get_env (session, "MIR_SERVER_NAME");
+
+ if (id)
+ {
+ l_debug (seat, "Marking Mir session %s as the next session", id);
+ unity_system_compositor_set_next_session (SEAT_LOCAL (seat)->priv->compositor, id);
+ }
+ else
+ l_debug (seat, "Failed to work out session ID to mark");
+
+ SEAT_CLASS (seat_local_parent_class)->set_next_session (seat, session);
+}
+
+static void
+seat_local_run_script (Seat *seat, DisplayServer *display_server, Process *script)
+{
+ if (IS_X_SERVER_LOCAL (display_server))
+ {
+ const gchar *path;
+ XServerLocal *x_server;
+
+ x_server = X_SERVER_LOCAL (display_server);
+ path = x_server_local_get_authority_file_path (x_server);
+ process_set_env (script, "DISPLAY", x_server_get_address (X_SERVER (x_server)));
+ process_set_env (script, "XAUTHORITY", path);
+ }
+
+ SEAT_CLASS (seat_local_parent_class)->run_script (seat, display_server, script);
+}
+
+static void
+seat_local_stop (Seat *s)
+{
+ SeatLocal *seat = SEAT_LOCAL (s);
+
+ /* Stop the compositor */
+ if (seat->priv->compositor)
+ display_server_stop (DISPLAY_SERVER (seat->priv->compositor));
+
+ /* Stop the XDMCP X server */
+ if (seat->priv->xdmcp_x_server)
+ display_server_stop (DISPLAY_SERVER (seat->priv->xdmcp_x_server));
+
+ check_stopped (seat);
}
static void
static void
seat_local_finalize (GObject *object)
{
- SeatLocal *self;
+ SeatLocal *seat = SEAT_LOCAL (object);
- self = SEAT_LOCAL (object);
-
- g_free (self->priv->config_section);
+ g_clear_object (&seat->priv->compositor);
+ g_clear_object (&seat->priv->active_compositor_session);
+ if (seat->priv->xdmcp_x_server)
+ {
+ g_signal_handlers_disconnect_matched (seat->priv->xdmcp_x_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat);
+ g_object_unref (seat->priv->xdmcp_x_server);
+ }
G_OBJECT_CLASS (seat_local_parent_class)->finalize (object);
}
GObjectClass *object_class = G_OBJECT_CLASS (klass);
SeatClass *seat_class = SEAT_CLASS (klass);
- seat_class->add_display = seat_local_add_display;
- seat_class->set_active_display = seat_local_set_active_display;
object_class->finalize = seat_local_finalize;
+ seat_class->setup = seat_local_setup;
+ seat_class->start = seat_local_start;
+ seat_class->create_display_server = seat_local_create_display_server;
+ seat_class->display_server_is_used = seat_local_display_server_is_used;
+ seat_class->create_greeter_session = seat_local_create_greeter_session;
+ seat_class->create_session = seat_local_create_session;
+ seat_class->set_active_session = seat_local_set_active_session;
+ seat_class->get_active_session = seat_local_get_active_session;
+ seat_class->set_next_session = seat_local_set_next_session;
+ seat_class->run_script = seat_local_run_script;
+ seat_class->stop = seat_local_stop;
+
g_type_class_add_private (klass, sizeof (SeatLocalPrivate));
}
projects / sojka / lightdm.git / blobdiff