gboolean
nm_dhcp_client_start_ip6 (NMDHCPClient *self,
                          NMSettingIP6Config *s_ip6,
                          guint8 *dhcp_anycast_addr,
                          const char *hostname,
                          gboolean info_only)
{
	NMDHCPClientPrivate *priv;

	g_return_val_if_fail (self != NULL, FALSE);
	g_return_val_if_fail (NM_IS_DHCP_CLIENT (self), FALSE);

	priv = NM_DHCP_CLIENT_GET_PRIVATE (self);
	g_return_val_if_fail (priv->pid == -1, FALSE);
	g_return_val_if_fail (priv->ipv6 == TRUE, FALSE);
	g_return_val_if_fail (priv->uuid != NULL, FALSE);

	priv->info_only = info_only;

	nm_log_info (LOGD_DHCP, "Activation (%s) Beginning DHCPv6 transaction (timeout in %d seconds)",
	             priv->iface, priv->timeout);

	priv->pid = NM_DHCP_CLIENT_GET_CLASS (self)->ip6_start (self, s_ip6, dhcp_anycast_addr, hostname, info_only);
	if (priv->pid > 0)
		start_monitor (self);

	return priv->pid ? TRUE : FALSE;
}
void
nm_dhcp_client_stop (NMDHCPClient *self, gboolean release)
{
	NMDHCPClientPrivate *priv;

	g_return_if_fail (self != NULL);
	g_return_if_fail (NM_IS_DHCP_CLIENT (self));

	priv = NM_DHCP_CLIENT_GET_PRIVATE (self);

	/* Kill the DHCP client */
	if (!priv->dead) {
		NM_DHCP_CLIENT_GET_CLASS (self)->stop (self, release);
		priv->dead = TRUE;

		nm_log_info (LOGD_DHCP, "(%s): canceled DHCP transaction, DHCP client pid %d",
		             priv->iface, priv->pid);
	}

	/* And clean stuff up */

	priv->pid = -1;
	dhcp_client_set_state (self, DHC_END, FALSE, TRUE);

	g_hash_table_remove_all (priv->options);

	timeout_cleanup (self);
	watch_cleanup (self);
}
gboolean
nm_dhcp_client_start_ip6 (NMDHCPClient *self,
                          NMSettingIP6Config *s_ip6,
                          guint8 *dhcp_anycast_addr,
                          const char *hostname,
                          gboolean info_only)
{
	NMDHCPClientPrivate *priv;
	char *escaped;

	g_return_val_if_fail (self != NULL, FALSE);
	g_return_val_if_fail (NM_IS_DHCP_CLIENT (self), FALSE);

	priv = NM_DHCP_CLIENT_GET_PRIVATE (self);
	g_return_val_if_fail (priv->pid == -1, FALSE);
	g_return_val_if_fail (priv->ipv6 == TRUE, FALSE);
	g_return_val_if_fail (priv->uuid != NULL, FALSE);

	/* If we don't have one yet, read the default DUID for this DHCPv6 client
	 * from the client-specific persistent configuration.
	 */
	if (!priv->duid)
		priv->duid = NM_DHCP_CLIENT_GET_CLASS (self)->get_duid (self);

	if (nm_logging_level_enabled (LOGL_DEBUG)) {
		escaped = escape_duid (priv->duid);
		nm_log_dbg (LOGD_DHCP, "(%s): DHCPv6 DUID is '%s'", priv->iface, escaped);
		g_free (escaped);
	}

	priv->info_only = info_only;

	nm_log_info (LOGD_DHCP, "Activation (%s) Beginning DHCPv6 transaction (timeout in %d seconds)",
	             priv->iface, priv->timeout);

	priv->pid = NM_DHCP_CLIENT_GET_CLASS (self)->ip6_start (self,
	                                                        s_ip6,
	                                                        dhcp_anycast_addr,
	                                                        hostname,
	                                                        info_only,
	                                                        priv->duid);
	if (priv->pid > 0)
		start_monitor (self);

	return priv->pid ? TRUE : FALSE;
}