/**
* Parses port configuration.
* @param[out] mode the filter mode.
* @param[out] port_list port list.
* @param[in] node_param the xml_node object represents the node params.
* @param[in] port_node_name the node name for port number.
*/
static inline void parse_port_configuration(
uint8_t& mode, PORT_LIST& port_list,
const xml_node& node_param, const char_t* port_node_name)
{
xml_node node_port = node_param.child(port_node_name);
if (!node_port.empty())
{
if(parse_filter_mode(node_port, mode))
{
for (xml_node node_number = node_port.child("number");
!node_number.empty();
node_number = node_number.next_sibling("number"))
{
if(xml_attribute attr = node_number.attribute("value"))
{
port_list.push_back(attr.as_uint());
}
else
{
signal_error(port_node_name);
}
}
if (port_list.empty())
{
// checks whether the old specification is specified
xml_attribute attr = node_port.attribute("number");
if(attr.empty())
{
signal_error(port_node_name);
}
port_list.push_back(attr.as_uint());
}
}
else
{
signal_error(port_node_name);
}
}
}
/**
* configures the filter
* @param n the xml subtree
*/
virtual void _configure(const pugi::xml_node& n )
{
if(pugi::xml_node c = n.child("ip_src"))
{
if(parse_filter_mode(c,m_ip_src_mode))
{
if(pugi::xml_attribute attr = c.attribute("address"))
{
m_ip_src_address = string_to_ip(attr.value());
}
else signal_error ("ip_src");
if(pugi::xml_attribute attr = c.attribute("netmask"))
{
m_ip_src_mask = string_to_ip(attr.value());
}
else signal_error ("ip_src");
}
else
signal_error("ip_src");
}
if(pugi::xml_node c = n.child("ip_dst"))
{
if(parse_filter_mode(c,m_ip_dst_mode))
{
if(pugi::xml_attribute attr = c.attribute("address"))
{
m_ip_dst_address = string_to_ip(attr.value());
}
else signal_error ("ip_dst");
if(pugi::xml_attribute attr = c.attribute("netmask"))
{
m_ip_dst_mask = string_to_ip(attr.value());
}
else signal_error ("ip_dst");
}
else
signal_error("ip_dst");
}
if(pugi::xml_node c = n.child("l4_protocol"))
{
if(parse_filter_mode(c,m_layer4_mode))
{
if(pugi::xml_attribute attr = c.attribute("number"))
{
m_layer4_proto = attr.as_uint();
}
else
signal_error("l4_protocol");
}
else
signal_error("l4_protocol");
}
if(pugi::xml_node c = n.child("src_port"))
{
if(parse_filter_mode(c,m_src_port_mode))
{
if(pugi::xml_attribute attr = c.attribute("number"))
{
m_src_port = attr.as_uint();
}
else
signal_error("src_port");
}
else
signal_error("src_port");
}
if(pugi::xml_node c = n.child("dst_port"))
{
if(parse_filter_mode(c,m_dst_port_mode))
{
if(pugi::xml_attribute attr = c.attribute("number"))
{
m_dst_port = attr.as_uint();
}
else
signal_error("dst_port");
}
else
signal_error("dst_port");
}
}
