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
17 #include "configuration.h"
21 /* Host running the server */
27 /* Cached server address */
31 XAuthority *authority;
33 /* Connection to this X server */
34 xcb_connection_t *connection;
37 G_DEFINE_TYPE (XServer, x_server, DISPLAY_SERVER_TYPE);
40 x_server_set_hostname (XServer *server, const gchar *hostname)
42 g_return_if_fail (server != NULL);
43 g_free (server->priv->hostname);
44 server->priv->hostname = g_strdup (hostname);
45 g_free (server->priv->address);
46 server->priv->address = NULL;
50 x_server_get_hostname (XServer *server)
52 g_return_val_if_fail (server != NULL, NULL);
53 return server->priv->hostname;
57 x_server_set_display_number (XServer *server, guint number)
59 g_return_if_fail (server != NULL);
60 server->priv->number = number;
61 g_free (server->priv->address);
62 server->priv->address = NULL;
66 x_server_get_display_number (XServer *server)
68 g_return_val_if_fail (server != NULL, 0);
69 return server->priv->number;
73 x_server_get_address (XServer *server)
75 g_return_val_if_fail (server != NULL, NULL);
77 if (!server->priv->address)
79 if (server->priv->hostname)
80 server->priv->address = g_strdup_printf("%s:%d", server->priv->hostname, server->priv->number);
82 server->priv->address = g_strdup_printf(":%d", server->priv->number);
85 return server->priv->address;
89 x_server_set_authority (XServer *server, XAuthority *authority)
91 g_return_if_fail (server != NULL);
93 if (server->priv->authority)
94 g_object_unref (server->priv->authority);
96 server->priv->authority = g_object_ref (authority);
98 server->priv->authority = NULL;
102 x_server_get_authority (XServer *server)
104 g_return_val_if_fail (server != NULL, NULL);
105 return server->priv->authority;
109 x_server_get_can_share (DisplayServer *server)
115 x_server_start (DisplayServer *display_server)
117 XServer *server = X_SERVER (display_server);
118 xcb_auth_info_t *auth = NULL, a;
120 if (server->priv->authority)
122 a.namelen = strlen (x_authority_get_authorization_name (server->priv->authority));
123 a.name = (char *) x_authority_get_authorization_name (server->priv->authority);
124 a.datalen = x_authority_get_authorization_data_length (server->priv->authority);
125 a.data = (char *) x_authority_get_authorization_data (server->priv->authority);
129 /* Open connection */
130 g_debug ("Connecting to XServer %s", x_server_get_address (server));
131 server->priv->connection = xcb_connect_to_display_with_auth_info (x_server_get_address (server), auth, NULL);
132 if (xcb_connection_has_error (server->priv->connection))
134 g_debug ("Error connecting to XServer %s", x_server_get_address (server));
138 return DISPLAY_SERVER_CLASS (x_server_parent_class)->start (display_server);
142 x_server_connect_session (DisplayServer *display_server, Session *session)
146 display_server = session_get_display_server (session);
148 vt = display_server_get_vt (display_server);
153 t = g_strdup_printf ("/dev/tty%d", vt);
154 session_set_tty (session, t);
157 t = g_strdup_printf ("%d", vt);
158 session_set_env (session, "XDG_VTNR", t);
162 session_set_env (session, "DISPLAY", x_server_get_address (X_SERVER (display_server)));
163 session_set_tty (session, x_server_get_address (X_SERVER (display_server)));
164 session_set_xdisplay (session, x_server_get_address (X_SERVER (display_server)));
165 session_set_remote_host_name (session, x_server_get_hostname (X_SERVER (display_server)));
166 session_set_x_authority (session,
167 x_server_get_authority (X_SERVER (display_server)),
168 config_get_boolean (config_get_instance (), "LightDM", "user-authority-in-system-dir"));
172 x_server_disconnect_session (DisplayServer *display_server, Session *session)
174 session_set_tty (session, NULL);
175 session_unset_env (session, "XDG_VTNR");
176 session_unset_env (session, "DISPLAY");
177 session_set_xdisplay (session, NULL);
178 session_set_remote_host_name (session, NULL);
179 session_set_x_authority (session, NULL, FALSE);
183 x_server_init (XServer *server)
185 server->priv = G_TYPE_INSTANCE_GET_PRIVATE (server, X_SERVER_TYPE, XServerPrivate);
189 x_server_finalize (GObject *object)
193 self = X_SERVER (object);
195 g_free (self->priv->hostname);
196 g_free (self->priv->address);
197 if (self->priv->authority)
198 g_object_unref (self->priv->authority);
199 if (self->priv->connection)
200 xcb_disconnect (self->priv->connection);
202 G_OBJECT_CLASS (x_server_parent_class)->finalize (object);
206 x_server_class_init (XServerClass *klass)
208 GObjectClass *object_class = G_OBJECT_CLASS (klass);
209 DisplayServerClass *display_server_class = DISPLAY_SERVER_CLASS (klass);
211 display_server_class->get_can_share = x_server_get_can_share;
212 display_server_class->start = x_server_start;
213 display_server_class->connect_session = x_server_connect_session;
214 display_server_class->disconnect_session = x_server_disconnect_session;
215 object_class->finalize = x_server_finalize;
217 g_type_class_add_private (klass, sizeof (XServerPrivate));