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Diffstat (limited to 'src/seat-unity.c')
| -rw-r--r-- | src/seat-unity.c | 422 |
1 files changed, 0 insertions, 422 deletions
diff --git a/src/seat-unity.c b/src/seat-unity.c deleted file mode 100644 index 649c94d1..00000000 --- a/src/seat-unity.c +++ /dev/null @@ -1,422 +0,0 @@ -/* - * Copyright (C) 2012-2013 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 - * version. See http://www.gnu.org/copyleft/gpl.html the full text of the - * license. - */ - -#include <string.h> -#include <fcntl.h> -#include <errno.h> -#include <glib/gstdio.h> - -#include "seat-unity.h" -#include "configuration.h" -#include "unity-system-compositor.h" -#include "x-server-xmir.h" -#include "vt.h" -#include "plymouth.h" - -typedef struct -{ - /* System compositor */ - UnitySystemCompositor *compositor; - - /* X server being used for XDMCP */ - XServerXmir *xdmcp_x_server; - - /* Next Mir ID to use for a Xmir servers */ - gint next_x_server_id; - - /* The currently visible session */ - Session *active_session; - DisplayServer *active_display_server; -} SeatUnityPrivate; - -G_DEFINE_TYPE_WITH_PRIVATE (SeatUnity, seat_unity, SEAT_TYPE) - -static XServerXmir *create_x_server (Seat *seat); - -static void -seat_unity_setup (Seat *seat) -{ - seat_set_supports_multi_session (seat, TRUE); - SEAT_CLASS (seat_unity_parent_class)->setup (seat); -} - -static void -check_stopped (SeatUnity *seat) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (seat); - if (!priv->compositor && !priv->xdmcp_x_server) - SEAT_CLASS (seat_unity_parent_class)->stop (SEAT (seat)); -} - -static void -xdmcp_x_server_stopped_cb (DisplayServer *display_server, Seat *seat) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - - l_debug (seat, "XDMCP X server stopped"); - - g_signal_handlers_disconnect_matched (priv->xdmcp_x_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat); - priv->xdmcp_x_server = NULL; - - g_object_unref (display_server); - - if (seat_get_is_stopping (seat)) - check_stopped (SEAT_UNITY (seat)); - else - seat_stop (seat); -} - -static void -compositor_ready_cb (UnitySystemCompositor *compositor, SeatUnity *seat) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (seat); - - l_debug (seat, "Compositor ready"); - - /* If running as an XDMCP client then just start an X server */ - const gchar *xdmcp_manager = seat_get_string_property (SEAT (seat), "xdmcp-manager"); - if (xdmcp_manager) - { - priv->xdmcp_x_server = create_x_server (SEAT (seat)); - x_server_local_set_xdmcp_server (X_SERVER_LOCAL (priv->xdmcp_x_server), xdmcp_manager); - gint port = seat_get_integer_property (SEAT (seat), "xdmcp-port"); - if (port > 0) - x_server_local_set_xdmcp_port (X_SERVER_LOCAL (priv->xdmcp_x_server), port); - const gchar *key_name = seat_get_string_property (SEAT (seat), "xdmcp-key"); - if (key_name) - { - g_autofree gchar *path = g_build_filename (config_get_directory (config_get_instance ()), "keys.conf", NULL); - - g_autoptr(GKeyFile) keys = g_key_file_new (); - g_autoptr(GError) error = NULL; - gboolean 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); - - if (result) - { - if (g_key_file_has_key (keys, "keyring", key_name, NULL)) - { - g_autofree gchar *key = g_key_file_get_string (keys, "keyring", key_name, NULL); - if (key) - x_server_local_set_xdmcp_key (X_SERVER_LOCAL (priv->xdmcp_x_server), key); - } - else - l_debug (seat, "Key %s not defined", key_name); - } - } - - g_signal_connect (priv->xdmcp_x_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (xdmcp_x_server_stopped_cb), seat); - if (!display_server_start (DISPLAY_SERVER (priv->xdmcp_x_server))) - seat_stop (SEAT (seat)); - } - - SEAT_CLASS (seat_unity_parent_class)->start (SEAT (seat)); -} - -static void -compositor_stopped_cb (UnitySystemCompositor *compositor, SeatUnity *seat) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (seat); - - l_debug (seat, "Compositor stopped"); - - g_clear_object (&priv->compositor); - - if (seat_get_is_stopping (SEAT (seat))) - check_stopped (seat); - else - seat_stop (SEAT (seat)); -} - -static gboolean -seat_unity_start (Seat *seat) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - - /* Replace Plymouth if it is running */ - gint vt = -1; - if (plymouth_get_is_active () && plymouth_has_active_vt ()) - { - gint active_vt = vt_get_active (); - if (active_vt >= vt_get_min ()) - { - vt = active_vt; - plymouth_quit (TRUE); - } - 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_can_multi_seat () ? vt_get_unused () : 0; - if (vt < 0) - { - l_debug (seat, "Failed to get a VT to run on"); - return FALSE; - } - - int timeout = seat_get_integer_property (SEAT (seat), "unity-compositor-timeout"); - if (timeout <= 0) - timeout = 60; - - priv->compositor = unity_system_compositor_new (); - g_signal_connect (priv->compositor, DISPLAY_SERVER_SIGNAL_READY, G_CALLBACK (compositor_ready_cb), seat); - g_signal_connect (priv->compositor, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (compositor_stopped_cb), seat); - unity_system_compositor_set_command (priv->compositor, seat_get_string_property (SEAT (seat), "unity-compositor-command")); - unity_system_compositor_set_vt (priv->compositor, vt); - unity_system_compositor_set_timeout (priv->compositor, timeout); - - return display_server_start (DISPLAY_SERVER (priv->compositor)); -} - -static XServerXmir * -create_x_server (Seat *seat) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - - l_debug (seat, "Starting X server on Unity compositor"); - - g_autoptr(XServerXmir) x_server = x_server_xmir_new (priv->compositor); - - const gchar *command = seat_get_string_property (seat, "xmir-command"); - x_server_local_set_command (X_SERVER_LOCAL (x_server), command); - - g_autofree gchar *id = g_strdup_printf ("x-%d", priv->next_x_server_id); - priv->next_x_server_id++; - x_server_xmir_set_mir_id (x_server, id); - x_server_xmir_set_mir_socket (x_server, unity_system_compositor_get_socket (priv->compositor)); - - g_autofree gchar *number = g_strdup_printf ("%d", x_server_get_display_number (X_SERVER (x_server))); - g_autoptr(XAuthority) cookie = x_authority_new_local_cookie (number); - x_server_set_authority (X_SERVER (x_server), cookie); - - const gchar *layout = seat_get_string_property (seat, "xserver-layout"); - if (layout) - x_server_local_set_layout (X_SERVER_LOCAL (x_server), layout); - - x_server_local_set_xdg_seat (X_SERVER_LOCAL (x_server), seat_get_name (seat)); - - const gchar *config_file = seat_get_string_property (seat, "xserver-config"); - if (config_file) - x_server_local_set_config (X_SERVER_LOCAL (x_server), config_file); - - gboolean allow_tcp = seat_get_boolean_property (seat, "xserver-allow-tcp"); - x_server_local_set_allow_tcp (X_SERVER_LOCAL (x_server), allow_tcp); - - return g_steal_pointer (&x_server); -} - -static DisplayServer * -seat_unity_create_display_server (Seat *seat, Session *session) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - - const gchar *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 (DISPLAY_SERVER (priv->compositor)); - else - { - l_warning (seat, "Can't create unsupported display server '%s'", session_type); - return NULL; - } -} - -static gboolean -seat_unity_display_server_is_used (Seat *seat, DisplayServer *display_server) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - - if (display_server == DISPLAY_SERVER (priv->compositor)) - return TRUE; - - return SEAT_CLASS (seat_unity_parent_class)->display_server_is_used (seat, display_server); -} - -static GreeterSession * -seat_unity_create_greeter_session (Seat *seat) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - - GreeterSession *greeter_session = SEAT_CLASS (seat_unity_parent_class)->create_greeter_session (seat); - session_set_env (SESSION (greeter_session), "XDG_SEAT", seat_get_name (seat)); - - gint vt = display_server_get_vt (DISPLAY_SERVER (priv->compositor)); - if (vt >= 0) - { - g_autofree gchar *value = g_strdup_printf ("%d", vt); - session_set_env (SESSION (greeter_session), "XDG_VTNR", value); - } - - return greeter_session; -} - -static Session * -seat_unity_create_session (Seat *seat) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - - Session *session = SEAT_CLASS (seat_unity_parent_class)->create_session (seat); - session_set_env (session, "XDG_SEAT", seat_get_name (seat)); - - gint vt = display_server_get_vt (DISPLAY_SERVER (priv->compositor)); - if (vt >= 0) - { - g_autofree gchar *value = g_strdup_printf ("%d", vt); - session_set_env (SESSION (session), "XDG_VTNR", value); - } - - return session; -} - -static const gchar * -get_mir_id (Session *session) -{ - if (!session) - return NULL; - - DisplayServer *display_server = session_get_display_server (session); - if (IS_UNITY_SYSTEM_COMPOSITOR (display_server)) - return session_get_env (session, "MIR_SERVER_NAME"); - if (IS_X_SERVER_XMIR (display_server)) - return x_server_xmir_get_mir_id (X_SERVER_XMIR (display_server)); - - return NULL; -} - -static void -seat_unity_set_active_session (Seat *seat, Session *session) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - - const gchar *old_id = get_mir_id (priv->active_session); - const gchar *new_id = get_mir_id (session); - - g_clear_object (&priv->active_session); - priv->active_session = g_object_ref (session); - - if (g_strcmp0 (old_id, new_id) != 0) - unity_system_compositor_set_active_session (priv->compositor, new_id); - - SEAT_CLASS (seat_unity_parent_class)->set_active_session (seat, session); -} - -static Session * -seat_unity_get_active_session (Seat *seat) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - return priv->active_session; -} - -static void -seat_unity_set_next_session (Seat *seat, Session *session) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - - if (!session) - return; - - DisplayServer *display_server = session_get_display_server (session); - - const gchar *id = NULL; - if (IS_X_SERVER_LOCAL (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 (priv->compositor, id); - } - else - { - l_debug (seat, "Failed to work out session ID to mark"); - } - - SEAT_CLASS (seat_unity_parent_class)->set_next_session (seat, session); -} - -static void -seat_unity_run_script (Seat *seat, DisplayServer *display_server, Process *script) -{ - if (IS_X_SERVER_XMIR (display_server)) - { - XServerXmir *x_server = X_SERVER_XMIR (display_server); - const gchar *path = x_server_local_get_authority_file_path (X_SERVER_LOCAL (x_server)); - process_set_env (script, "DISPLAY", x_server_get_address (X_SERVER (x_server))); - process_set_env (script, "XAUTHORITY", path); - } - - SEAT_CLASS (seat_unity_parent_class)->run_script (seat, display_server, script); -} - -static void -seat_unity_stop (Seat *seat) -{ - SeatUnityPrivate *priv = seat_unity_get_instance_private (SEAT_UNITY (seat)); - - /* Stop the compositor first */ - if (priv->compositor) - display_server_stop (DISPLAY_SERVER (priv->compositor)); - - /* Stop the XDMCP X server first */ - if (priv->xdmcp_x_server) - display_server_stop (DISPLAY_SERVER (priv->xdmcp_x_server)); - - check_stopped (SEAT_UNITY (seat)); -} - -static void -seat_unity_init (SeatUnity *seat) -{ -} - -static void -seat_unity_finalize (GObject *object) -{ - SeatUnity *seat = SEAT_UNITY (object); - SeatUnityPrivate *priv = seat_unity_get_instance_private (seat); - - g_clear_object (&priv->compositor); - if (priv->xdmcp_x_server) - { - g_signal_handlers_disconnect_matched (priv->xdmcp_x_server, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, seat); - g_object_unref (priv->xdmcp_x_server); - } - g_clear_object (&priv->active_session); - g_clear_object (&priv->active_display_server); - - G_OBJECT_CLASS (seat_unity_parent_class)->finalize (object); -} - -static void -seat_unity_class_init (SeatUnityClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - SeatClass *seat_class = SEAT_CLASS (klass); - - object_class->finalize = seat_unity_finalize; - seat_class->setup = seat_unity_setup; - seat_class->start = seat_unity_start; - seat_class->create_display_server = seat_unity_create_display_server; - seat_class->display_server_is_used = seat_unity_display_server_is_used; - seat_class->create_greeter_session = seat_unity_create_greeter_session; - seat_class->create_session = seat_unity_create_session; - seat_class->set_active_session = seat_unity_set_active_session; - seat_class->get_active_session = seat_unity_get_active_session; - seat_class->set_next_session = seat_unity_set_next_session; - seat_class->run_script = seat_unity_run_script; - seat_class->stop = seat_unity_stop; -} |