+ GInetAddress *address;
+ GSimpleAsyncResult *result;
+ GSource *source;
+ ConnectData *data;
+ GError *error = NULL;
+
+ g_return_if_fail (G_IS_TCP_CLIENT (client));
+
+ if (!client->priv->address)
+ {
+ // we've been constructed with just hostname+port, resolve
+ GResolver *resolver = g_resolver_new ();
+
+ data = g_new (ConnectData, 1);
+
+ data->client = client;
+ data->callback = callback;
+ data->cancellable = cancellable;
+ data->user_data = user_data;
+
+ g_resolver_resolve_async (resolver, client->priv->hostname, cancellable, resolve_callback, data);
+
+ return;
+ }
+
+ address = g_inet_socket_address_get_address (client->priv->address);
+
+ if (G_IS_INET4_ADDRESS (address))
+ client->priv->socket = g_socket_new (G_SOCKET_DOMAIN_INET, G_SOCKET_TYPE_STREAM, NULL);
+ else if (G_IS_INET6_ADDRESS (address))
+ client->priv->socket = g_socket_new (G_SOCKET_DOMAIN_INET6, G_SOCKET_TYPE_STREAM, NULL);
+ else
+ {
+ g_simple_async_report_error_in_idle (G_OBJECT (client), callback, user_data, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "unsupported address domain");
+ return;
+ }
+
+ if (!client->priv->socket)
+ {
+ g_simple_async_report_gerror_in_idle (G_OBJECT (client), callback, user_data, error);
+ return;
+ }
+
+ g_socket_set_blocking (client->priv->socket, FALSE);