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 "vnc-server.h"
20 static guint signals[LAST_SIGNAL] = { 0 };
22 struct VNCServerPrivate
24 /* Port to listen on */
27 /* Address to listen on */
28 gchar *listen_address;
30 /* Listening sockets */
31 GSocket *socket, *socket6;
34 G_DEFINE_TYPE (VNCServer, vnc_server, G_TYPE_OBJECT);
39 return g_object_new (VNC_SERVER_TYPE, NULL);
43 vnc_server_set_port (VNCServer *server, guint port)
45 g_return_if_fail (server != NULL);
46 server->priv->port = port;
50 vnc_server_get_port (VNCServer *server)
52 g_return_val_if_fail (server != NULL, 0);
53 return server->priv->port;
57 vnc_server_set_listen_address (VNCServer *server, const gchar *listen_address)
59 g_return_if_fail (server != NULL);
61 g_free (server->priv->listen_address);
62 server->priv->listen_address = g_strdup (listen_address);
66 vnc_server_get_listen_address (VNCServer *server)
68 g_return_val_if_fail (server != NULL, NULL);
69 return server->priv->listen_address;
73 read_cb (GSocket *socket, GIOCondition condition, VNCServer *server)
76 GSocket *client_socket;
78 client_socket = g_socket_accept (socket, NULL, &error);
80 g_warning ("Failed to get connection from from VNC socket: %s", error->message);
81 g_clear_error (&error);
85 GInetSocketAddress *address;
88 address = G_INET_SOCKET_ADDRESS (g_socket_get_remote_address (client_socket, NULL));
89 hostname = g_inet_address_to_string (g_inet_socket_address_get_address (address));
90 g_debug ("Got VNC connection from %s:%d", hostname, g_inet_socket_address_get_port (address));
93 g_signal_emit (server, signals[NEW_CONNECTION], 0, client_socket);
100 open_tcp_socket (GSocketFamily family, guint port, const gchar *listen_address, GError **error)
103 GSocketAddress *address;
105 socket = g_socket_new (family, G_SOCKET_TYPE_STREAM, G_SOCKET_PROTOCOL_TCP, error);
113 addresses = g_resolver_lookup_by_name (g_resolver_get_default (), listen_address, NULL, error);
116 g_object_unref (socket);
119 address = g_inet_socket_address_new (addresses->data, port);
120 g_resolver_free_addresses (addresses);
123 address = g_inet_socket_address_new (g_inet_address_new_any (family), port);
124 if (!g_socket_bind (socket, address, TRUE, error) ||
125 !g_socket_listen (socket, error))
127 g_object_unref (socket);
135 vnc_server_start (VNCServer *server)
138 GError *error = NULL;
140 g_return_val_if_fail (server != NULL, FALSE);
142 server->priv->socket = open_tcp_socket (G_SOCKET_FAMILY_IPV4, server->priv->port, server->priv->listen_address, &error);
144 g_warning ("Failed to create IPv4 VNC socket: %s", error->message);
145 g_clear_error (&error);
147 if (server->priv->socket)
149 source = g_socket_create_source (server->priv->socket, G_IO_IN, NULL);
150 g_source_set_callback (source, (GSourceFunc) read_cb, server, NULL);
151 g_source_attach (source, NULL);
154 server->priv->socket6 = open_tcp_socket (G_SOCKET_FAMILY_IPV6, server->priv->port, server->priv->listen_address, &error);
156 g_warning ("Failed to create IPv6 VNC socket: %s", error->message);
157 g_clear_error (&error);
159 if (server->priv->socket6)
161 source = g_socket_create_source (server->priv->socket6, G_IO_IN, NULL);
162 g_source_set_callback (source, (GSourceFunc) read_cb, server, NULL);
163 g_source_attach (source, NULL);
166 if (!server->priv->socket && !server->priv->socket6)
173 vnc_server_init (VNCServer *server)
175 server->priv = G_TYPE_INSTANCE_GET_PRIVATE (server, VNC_SERVER_TYPE, VNCServerPrivate);
176 server->priv->port = 5900;
180 vnc_server_finalize (GObject *object)
182 VNCServer *self = VNC_SERVER (object);
184 g_free (self->priv->listen_address);
185 g_clear_object (&self->priv->socket);
186 g_clear_object (&self->priv->socket6);
188 G_OBJECT_CLASS (vnc_server_parent_class)->finalize (object);
192 vnc_server_class_init (VNCServerClass *klass)
194 GObjectClass *object_class = G_OBJECT_CLASS (klass);
196 object_class->finalize = vnc_server_finalize;
198 g_type_class_add_private (klass, sizeof (VNCServerPrivate));
200 signals[NEW_CONNECTION] =
201 g_signal_new (VNC_SERVER_SIGNAL_NEW_CONNECTION,
202 G_TYPE_FROM_CLASS (klass),
204 G_STRUCT_OFFSET (VNCServerClass, new_connection),
207 G_TYPE_NONE, 1, G_TYPE_SOCKET);